* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    /* ซ่อน scrollbar */
    overflow: hidden;
}

/* Enable smooth scroll only on desktop */
@media (min-width: 769px) {
    html {
        scroll-behavior: smooth;
    }
}

body {
    font-family: 'Dongle', sans-serif;
    line-height: 1.6;
    color: #333;
    background: #ffffff;
    /* ซ่อน scrollbar */
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

/* ซ่อน scrollbar ในทุก browser */
::-webkit-scrollbar {
    display: none;
}

::-moz-scrollbar {
    display: none;
}

/* Slide Navigation Dots */
.slide-nav {
    position: fixed;
    right: 2rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
}

.nav-dots {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.nav-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.nav-dot:hover {
    background: rgba(102, 126, 234, 0.5);
    transform: scale(1.2);
}

.nav-dot.active {
    background: #667eea;
    border-color: #fff;
    box-shadow: 0 0 10px rgba(102, 126, 234, 0.5);
}

/* Slide Container */
.slide-container {
    width: 100vw;
    height: 100vh;
    position: relative;
    overflow: hidden;
}

/* Triangle Animation Canvas */
.triangle-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    opacity: 0.3;
}

/* Circle Animation Canvas */
.circle-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.circle-animation-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    -webkit-filter: blur(3px);
    -moz-filter: blur(3px);
    -o-filter: blur(3px);
    filter: blur(3px);
    opacity: 0.6;
}

/* Individual Slides */
.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transform: translateY(100%);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.slide.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.slide.prev {
    transform: translateY(-100%);
}

.slide.next {
    transform: translateY(100%);
}

/* Slide Content */
.slide-content {
    /* max-width: 1200px; */
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    z-index: 1;
    padding: 2rem;
}

/* Mobile optimization for slide content */
@media (max-width: 768px) {
    .slide-content {
        padding: 1rem;
    }
    
    /* Special optimization for slide-1 (Features) */
    #slide-1 .slide-content {
        padding: 0.5rem 1rem;
    }
}

@media (max-width: 480px) {
    .slide-content {
        padding: 0.5rem;
    }
    
    /* Special optimization for slide-1 (Features) */
    #slide-1 .slide-content {
        padding: 0.3rem 0.5rem;
    }
}

/* Hero Section (Slide 1) */
.hero-content {
    z-index: 2;
    max-width: 800px;
    position: relative;
}

/* Mobile optimization for hero content */
@media (max-width: 768px) {
    .hero-content {
        max-width: 100%;
        padding: 0 1rem;
    }
}

@media (max-width: 480px) {
    .hero-content {
        padding: 0 0.5rem;
    }
}

.hero-visual {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: #333;
    line-height: 1.2;
}

.title-line {
    display: block;
    opacity: 0;
    transform: translateY(50px);
    animation: slideInUp 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.title-line:nth-child(1) {
    animation-delay: 0.2s;
}

.title-line:nth-child(2) {
    animation-delay: 0.4s;
}

.title-line:nth-child(3) {
    animation-delay: 0.6s;
}

@keyframes slideInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #666;
    margin-bottom: 3rem;
    opacity: 0;
    animation: fadeIn 1s ease 0.8s forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    opacity: 0;
    animation: fadeIn 1s ease 1s forwards;
}

.primary-btn, .secondary-btn {
    padding: 1.2rem 2.5rem;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.primary-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.4);
}

.secondary-btn {
    background: transparent;
    color: #333;
    border: 2px solid #333;
}

.secondary-btn:hover {
    background: #333;
    color: white;
    transform: translateY(-3px);
}

.hero-visual {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
}

.float-element {
    position: absolute;
    font-size: 3rem;
    animation: float 8s ease-in-out infinite;
    opacity: 0.8;
}

/* Mobile optimization for floating elements */
@media (max-width: 768px) {
    .float-element {
        font-size: 2rem;
        opacity: 0.6;
    }
    
    .floating-elements {
        opacity: 0.8;
    }
}

@media (max-width: 480px) {
    .float-element {
        font-size: 1.5rem;
        opacity: 0.5;
    }
}

.float-element:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.float-element:nth-child(2) {
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.float-element:nth-child(3) {
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { 
        transform: translateY(0px) rotate(0deg) scale(1); 
    }
    50% { 
        transform: translateY(-30px) rotate(180deg) scale(1.1); 
    }
}

.slide-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: #666;
    opacity: 0;
    animation: fadeIn 1s ease 1.5s forwards;
}

.indicator-text {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.indicator-arrow {
    font-size: 2rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* Section Headers */
.section-header {
    /* margin-bottom: 3rem; */
    opacity: 0;
    transform: translateY(30px);
    animation: slideInUp 1s ease 0.3s forwards;
    text-align: center;
    margin-bottom: 2rem;
}

.section-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #333;
    line-height: 1.1;
}

/* Mobile optimization for section headers */
@media (max-width: 768px) {
    .section-header {
        margin-bottom: 1.5rem;
        padding: 0 1rem;
    }
    
    .section-title {
        font-size: 2.5rem;
        margin-bottom: 0.8rem;
    }
}

@media (max-width: 480px) {
    .section-header {
        margin-bottom: 1rem;
        padding: 0 0.5rem;
    }
    
    .section-title {
        font-size: 2rem;
        margin-bottom: 0.6rem;
    }
}

.section-subtitle {
    font-size: 1.3rem;
    color: #666;
}

/* API Collection - Special Title Design */
.api-title-container {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    text-align: center;
    background: rgba(255, 255, 255, 0.95);
    padding: 2rem 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(102, 126, 234, 0.1);
}

.api-title {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 0.8rem;
    color: #333;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    letter-spacing: -0.5px;
}

.api-subtitle {
    font-size: 1.1rem;
    color: #666;
    font-weight: 500;
    line-height: 1.4;
    max-width: 400px;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
}

@media (max-width: 1200px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 0 1rem;
    }
}

/* Mobile optimization for feature cards */
@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 0 1rem;
        max-width: 100%;
    }
    
    .feature-card {
        padding: 1.5rem 1rem;
        min-height: auto;
        border-radius: 15px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
        cursor: pointer;
        position: relative;
        overflow: hidden;
        transition: all 0.3s ease;
    }
    
    .feature-icon {
        font-size: 2.5rem;
        margin-bottom: 0.5rem;
    }
    
    .feature-card h3 {
        font-size: 1.3rem;
        margin-bottom: 0.6rem;
        line-height: 1.2;
    }
    
    .feature-card p {
        font-size: 0.9rem;
        line-height: 1.4;
        margin-bottom: 0;
        max-height: 0;
        opacity: 0;
        overflow: hidden;
        transition: all 0.3s ease;
    }
    
    /* Expanded state for mobile */
    .feature-card.expanded {
        min-height: auto;
        padding-bottom: 2rem;
    }
    
    .feature-card.expanded p {
        max-height: 200px;
        opacity: 1;
        margin-top: 0.5rem;
    }
    
    /* Add expand indicator */
    .feature-card::after {
        content: '▼';
        position: absolute;
        bottom: 0.5rem;
        right: 1rem;
        font-size: 0.8rem;
        color: #667eea;
        transition: transform 0.3s ease;
    }
    
    .feature-card.expanded::after {
        transform: rotate(180deg);
    }
}

@media (max-width: 480px) {
    .features-grid {
        gap: 0.8rem;
        padding: 0 0.5rem;
    }
    
    .feature-card {
        padding: 1.2rem 0.8rem;
        border-radius: 12px;
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
    }
    
    .feature-icon {
        font-size: 2rem;
        margin-bottom: 0.4rem;
    }
    
    .feature-card h3 {
        font-size: 1.2rem;
        margin-bottom: 0.5rem;
    }
    
    .feature-card p {
        font-size: 0.85rem;
        line-height: 1.3;
    }
    
    /* Small mobile expand indicator */
    .feature-card::after {
        font-size: 0.7rem;
        bottom: 0.4rem;
        right: 0.8rem;
    }
}

.feature-card {
    background: white;
    padding: 2rem 1.5rem;
    border-radius: 18px;
    text-align: center;
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.1);
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    opacity: 0;
    transform: translateY(50px);
    animation: slideInUp 1s ease forwards;
    min-height: 280px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Desktop: Always show full content */
@media (min-width: 769px) {
    .feature-card p {
        max-height: none !important;
        opacity: 1 !important;
        overflow: visible !important;
    }
    
    .feature-card::after {
        display: none !important;
    }
    
    .mobile-feature-display {
        display: none !important;
    }
}

.feature-card:nth-child(1) { animation-delay: 0.3s; }
.feature-card:nth-child(2) { animation-delay: 0.5s; }
.feature-card:nth-child(3) { animation-delay: 0.7s; }
.feature-card:nth-child(4) { animation-delay: 0.9s; }
.feature-card:nth-child(5) { animation-delay: 1.1s; }
.feature-card:nth-child(6) { animation-delay: 1.3s; }
.feature-card:nth-child(7) { animation-delay: 1.5s; }
.feature-card:nth-child(8) { animation-delay: 1.7s; }

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.15);
}

/* Mobile optimization for hover effects */
@media (max-width: 768px) {
    .feature-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
    }
}

@media (max-width: 480px) {
    .feature-card:hover {
        transform: translateY(-3px);
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    }
}

.feature-icon {
    font-size: 3.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.8rem;
    color: #333;
    font-weight: 600;
}

.feature-card p {
    color: #666;
    font-size: 1rem;
    line-height: 1.5;
    flex-grow: 1;
}

/* API Version Comparison Section */
.version-comparison {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2rem;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 2rem;
}

.version-card {
    background: white;
    border-radius: 18px;
    padding: 1.8rem;
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.1);
    flex: 1;
    max-width: 380px;
    min-width: 350px;
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    opacity: 0;
    transform: translateY(50px);
    animation: slideInUp 1s ease forwards;
    padding-bottom: 4rem;
}

.version-card.v1 { animation-delay: 0.3s; }
.version-card.v2 { animation-delay: 0.6s; }
.version-card.v3 { animation-delay: 0.9s; }

.version-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.15);
}

.version-header {
    text-align: center;
    margin-bottom: 2rem;
}

.version-robot {
    width: 90px;
    height: 90px;
    margin: 0 auto 0.8rem;
    position: relative;
}

.robot-head {
    width: 45px;
    height: 45px;
    background: #ffd700;
    border-radius: 50%;
    margin: 0 auto;
    position: relative;
    border: 2px solid #333;
}

.robot-eyes {
    position: absolute;
    top: 12px;
    left: 6px;
    right: 6px;
    display: flex;
    justify-content: space-between;
}

.eye {
    width: 10px;
    height: 10px;
    background: #0066ff;
    border-radius: 50%;
    border: 1.5px solid #333;
    animation: blink 3s infinite;
}

.eye.left { animation-delay: 0s; }
.eye.right { animation-delay: 1.5s; }

.robot-eye-single {
    width: 16px;
    height: 16px;
    background: #333;
    border-radius: 50%;
    position: absolute;
    top: 15px;
    left: 50%;
    transform: translateX(-50%);
    border: 1.5px solid #333;
}

.robot-antennae {
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
}

.antenna {
    width: 3px;
    height: 15px;
    background: #333;
    border-radius: 2px;
}

.antenna.left { transform: rotate(-15deg); }
.antenna.right { transform: rotate(15deg); }

.robot-body {
    width: 60px;
    height: 45px;
    background: #ffd700;
    border-radius: 12px;
    margin: 8px auto 0;
    position: relative;
    border: 2px solid #333;
}

.robot-legs {
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
}

.leg {
    width: 8px;
    height: 20px;
    background: #333;
    border-radius: 4px;
}

.robot-arms {
    position: absolute;
    top: 15px;
    left: -15px;
    right: -15px;
    display: flex;
    justify-content: space-between;
}

.arm {
    width: 6px;
    height: 25px;
    background: #333;
    border-radius: 3px;
}

.arm.left { transform: rotate(-30deg); }
.arm.right { transform: rotate(30deg); }

.version-title {
    font-size: 2.2rem;
    font-weight: 700;
    color: #333;
    margin: 0;
}

.version-features {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.35rem;
    border-radius: 12px;
    background: #f8f9fa;
    transition: all 0.3s ease;
}

.feature-item.positive {
    border-left: 4px solid #28a745;
}

.feature-item.negative {
    border-left: 4px solid #dc3545;
}

.feature-item:hover {
    background: #e9ecef;
    transform: translateX(5px);
}

.feature-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.feature-text {
    flex: 1;
    font-size: 1rem;
    color: #333;
    line-height: 1.5;
}

.feature-category {
    font-size: 0.85rem;
    color: #666;
    background: #e9ecef;
    padding: 0.3rem 0.6rem;
    border-radius: 14px;
    font-weight: 600;
    flex-shrink: 0;
}

.vs-separator {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 1rem;
}

.vs-circle {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.4);
    animation: pulse 2s infinite;
}

.version-contact {
    margin-top: 2rem;
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 18px;
    backdrop-filter: blur(10px);
}

.contact-social {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.social-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: white;
    font-size: 1rem;
}

.social-icon {
    font-size: 1.3rem;
}

.contact-phone {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    color: white;
    font-size: 1.1rem;
    font-weight: 600;
}

.phone-icon {
    font-size: 1.5rem;
}

@keyframes blink {
    0%, 90%, 100% { opacity: 1; }
    95% { opacity: 0; }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Responsive Design for Version Comparison */
@media (max-width: 1200px) {
    .version-comparison {
        flex-direction: column;
        align-items: center;
    }
    
    .version-card {
        max-width: 600px;
        min-width: auto;
        width: 100%;
    }
    
    .vs-separator {
        transform: rotate(90deg);
        margin: 1rem 0;
    }
}

@media (max-width: 768px) {
    .version-card {
        padding: 1.5rem;
        max-width: 100%;
        min-width: auto;
    }
    
    .contact-social {
        flex-direction: column;
        gap: 0.8rem;
    }
    
    .version-robot {
        width: 80px;
        height: 80px;
    }
    
    .robot-head {
        width: 40px;
        height: 40px;
    }
    
    .robot-body {
        width: 55px;
        height: 40px;
    }
    
    .version-title {
        font-size: 1.8rem;
    }
    
    .feature-item {
        padding: 0.7rem;
        gap: 0.6rem;
    }
    
    .feature-text {
        font-size: 0.95rem;
    }
    
    .feature-category {
        font-size: 0.75rem;
    }
}

/* Interactive Section */
.interactive-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1000px;
    width: 100%;
}

.text-content h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #333;
    opacity: 0;
    animation: slideInLeft 1s ease 0.3s forwards;
}

.text-content p {
    font-size: 1.3rem;
    color: #666;
    line-height: 1.6;
    opacity: 0;
    animation: slideInLeft 1s ease 0.5s forwards;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.interactive-slider {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    opacity: 0;
    animation: slideInRight 1s ease 0.7s forwards;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slider-container {
    position: relative;
}

.slider-track {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.slider-item {
    text-align: center;
    opacity: 0.5;
    transition: all 0.3s ease;
}

.slider-item.active {
    opacity: 1;
    transform: scale(1.1);
}

.slider-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.slider-label {
    font-size: 1rem;
    color: #666;
}

.slider-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.slider-btn {
    background: #667eea;
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.slider-btn:hover {
    background: #5a6fd8;
    transform: scale(1.1);
}

/* Registration Flow */
.registration-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5rem;
    margin-top: 2rem;
    max-width: 1600px;
    margin-left: auto;
    margin-right: auto;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 3rem 3rem;
    position: relative;
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    flex: 0 0 auto;
    width: 180px;
    opacity: 0;
    transform: translateY(50px);
    animation: slideInUp 1s ease forwards;
}

.flow-step.step-1 { animation-delay: 0.2s; }
.flow-step.step-2 { animation-delay: 0.4s; }
.flow-step.step-3 { animation-delay: 0.6s; }
.flow-step.step-4 { animation-delay: 0.8s; }
.flow-step.step-5 { animation-delay: 1s; }

.step-icon {
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.icon-circle {
    width: 110px;
    height: 110px;
    background: linear-gradient(135deg, #ff6b35, #f7931e);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 0 20px 45px rgba(255, 107, 53, 0.5);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border: 5px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.icon-circle::before {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    background: linear-gradient(45deg, #ff6b35, #f7931e, #ffd700, #ff6b35);
    border-radius: 50%;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.icon-circle:hover::before {
    opacity: 1;
}

.icon-circle:hover {
    transform: translateY(-8px) scale(1.08);
    box-shadow: 0 25px 55px rgba(255, 107, 53, 0.7);
    border-color: rgba(255, 255, 255, 0.5);
}

.step-number {
    font-size: 1.8rem;
    font-weight: 800;
    color: white;
    margin-bottom: 0.2rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.icon-symbol {
    font-size: 2rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.step-content {
    text-align: center;
    margin-bottom: 1rem;
}

.step-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: #333;
    margin-bottom: 0.6rem;
    background: linear-gradient(135deg, #ff6b35, #f7931e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 10px rgba(255, 107, 53, 0.2);
    letter-spacing: -0.5px;
}

.step-description {
    font-size: 1.1rem;
    color: #555;
    line-height: 1.5;
    margin: 0;
    font-weight: 500;
    opacity: 0.9;
}

.step-arrow {
    position: absolute;
    right: -3rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    z-index: 2;
}

.arrow-body {
    width: 50px;
    height: 4px;
    background: #ff6b35;
    border-radius: 2px;
    position: relative;
}

.arrow-head {
    width: 0;
    height: 0;
    border-left: 12px solid #ff6b35;
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
    margin-left: -1px;
}

/* Step-specific colors */
.step-1 .icon-circle { background: linear-gradient(135deg, #ff6b35, #f7931e); }
.step-2 .icon-circle { background: linear-gradient(135deg, #4ecdc4, #44a08d); }
.step-3 .icon-circle { background: linear-gradient(135deg, #667eea, #764ba2); }
.step-4 .icon-circle { background: linear-gradient(135deg, #f093fb, #f5576c); }
.step-5 .icon-circle { background: linear-gradient(135deg, #fa709a, #fee140); }

.step-1 .icon-circle::before { background: linear-gradient(45deg, #ff6b35, #f7931e, #ffd700, #ff6b35); }
.step-2 .icon-circle::before { background: linear-gradient(45deg, #4ecdc4, #44a08d, #a8edea, #4ecdc4); }
.step-3 .icon-circle::before { background: linear-gradient(45deg, #667eea, #764ba2, #f093fb, #667eea); }
.step-4 .icon-circle::before { background: linear-gradient(45deg, #f093fb, #f5576c, #fa709a, #f093fb); }
.step-5 .icon-circle::before { background: linear-gradient(45deg, #fa709a, #fee140, #ff6b35, #fa709a); }

/* Title Separator */
.title-separator {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 1rem;
    margin-bottom: 2rem;
}

.separator-line {
    width: 100px;
    height: 3px;
    background: #3b82f6;
    border-radius: 2px;
    position: relative;
}

.separator-dot {
    width: 12px;
    height: 12px;
    background: #3b82f6;
    border-radius: 50%;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

/* API Features Grid */
.api-features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.features-column {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 0.5rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
    border-color: rgba(59, 130, 246, 0.3);
}

.api-feature-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

.api-feature-icon svg {
    width: 32px;
    height: 32px;
}

.feature-content {
    flex: 1;
}

.feature-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 0.8rem;
    line-height: 1.3;
}

.feature-content p {
    font-size: 1rem;
    color: #6b7280;
    line-height: 1.6;
    margin: 0;
}

/* Call to Action */
.registration-cta {
    margin-bottom: 2rem;
    text-align: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.08), rgba(247, 147, 30, 0.08), rgba(255, 215, 0, 0.05));
    border-radius: 30px;
    backdrop-filter: blur(20px);
    border: 2px solid rgba(255, 107, 53, 0.15);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 0 20px 60px rgba(255, 107, 53, 0.1);
    position: relative;
    overflow: hidden;
}

.registration-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.registration-cta:hover::before {
    opacity: 1;
}

.cta-content {
    opacity: 0;
    transform: translateY(30px);
    animation: slideInUp 1s ease 1.2s forwards;
}

.cta-title {
    font-size: 2.8rem;
    font-weight: 900;
    color: #333;
    margin-bottom: 1.2rem;
    background: linear-gradient(135deg, #ff6b35, #f7931e, #ffd700);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 3px 15px rgba(255, 107, 53, 0.2);
    letter-spacing: -1px;
}

.cta-description {
    font-size: 1.3rem;
    color: #555;
    margin-bottom: 2.5rem;
    line-height: 1.6;
    font-weight: 500;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-btn {
    padding: 1.2rem 2.5rem;
    border: none;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    text-decoration: none;
    display: inline-block;
    position: relative;
    overflow: hidden;
    letter-spacing: -0.3px;
}

.cta-btn.primary {
    background: linear-gradient(135deg, #ff6b35, #f7931e);
    color: white;
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.4);
}

.cta-btn.primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.cta-btn.primary:hover::before {
    left: 100%;
}

.cta-btn.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 107, 53, 0.6);
}

.cta-btn.secondary {
    background: transparent;
    color: #ff6b35;
    border: 2px solid #ff6b35;
    box-shadow: 0 5px 20px rgba(255, 107, 53, 0.2);
}

.cta-btn.secondary:hover {
    background: #ff6b35;
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.4);
}

/* Responsive Design for Registration Flow */
@media (max-width: 1200px) {
    .registration-flow {
        flex-direction: column;
        gap: 3rem;
    }
    
    .flow-step {
        max-width: 300px;
        width: 100%;
    }
    
    .step-arrow {
        display: none;
    }
    
    /* Mobile: Adjust API features */
    .api-features-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0 1rem;
    }
    
    .feature-item {
        padding: 1.5rem;
    }
    
    .api-feature-icon {
        width: 50px;
        height: 50px;
    }
    
    .api-feature-icon svg {
        width: 28px;
        height: 28px;
    }
    
    .feature-content h3 {
        font-size: 1.2rem;
    }
    
    .feature-content p {
        font-size: 0.95rem;
    }
}

@media (max-width: 768px) {
    .registration-flow {
        gap: 2rem;
    }
    
    .icon-circle {
        width: 90px;
        height: 90px;
    }
    
    .step-number {
        font-size: 1.6rem;
    }
    
    .icon-symbol {
        font-size: 1.8rem;
    }
    
    .step-title {
        font-size: 1.3rem;
    }
    
    .step-description {
        font-size: 1rem;
    }
    
    .cta-title {
        font-size: 2.2rem;
    }
    
    .cta-description {
        font-size: 1.1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-btn {
        width: 100%;
        max-width: 300px;
        padding: 1rem 2rem;
        font-size: 1.1rem;
    }
}

/* Gallery Section */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    width: 100%;
}

.gallery-item {
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
}

.gallery-item:nth-child(1) { animation-delay: 0.3s; }
.gallery-item:nth-child(2) { animation-delay: 0.5s; }
.gallery-item:nth-child(3) { animation-delay: 0.7s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.gallery-image {
    height: 250px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 15px;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
}

.gallery-image:hover {
    transform: scale(1.05);
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
}

.gallery-image:hover .image-overlay {
    opacity: 1;
}

.overlay-content {
    text-align: center;
    color: white;
}

.overlay-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.overlay-content p {
    font-size: 1rem;
    opacity: 0.8;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1000px;
    width: 100%;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    opacity: 0;
    animation: slideInLeft 1s ease forwards;
}

.contact-item:nth-child(1) { animation-delay: 0.3s; }
.contact-item:nth-child(2) { animation-delay: 0.5s; }

.contact-icon {
    font-size: 2rem;
}

.contact-details h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #333;
}

.contact-details p {
    color: #666;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    opacity: 0;
    animation: slideInRight 1s ease 0.7s forwards;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.submit-btn {
    width: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 1rem;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

/* China & Japan APIs Section - Organic Layout */
.apis-grid {
    position: relative;
    width: 100%;
    height: 100vh;
    max-width: 1400px;
    margin-bottom: 2rem;
}

/* Section title centered - ONLY for API Collection */
.apis-grid .section-header {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) !important;
    z-index: 10;
    text-align: center;
    margin-bottom: 0;
    background: rgba(255, 255, 255, 0.41);
    padding: 2.5rem;
    border-radius: 90px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(102, 126, 234, 0.15);
    min-width: 300px;
}

.apis-grid .section-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: #333;
    text-shadow: 0 3px 15px rgba(0, 0, 0, 0.1);
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.apis-grid .section-subtitle {
    font-size: 1.2rem;
    color: #666;
    font-weight: 500;
    line-height: 1.4;
    max-width: 350px;
    margin: 0 auto;
    opacity: 0.9;
}

/* New floating logo design - NO CARDS, NO BACKGROUNDS */
.api-card {
    position: absolute;
    background: none;
    border: none;
    box-shadow: none;
    padding: 0;
    margin: 0;
    cursor: pointer;
    opacity: 0;
    transform: translateY(50px) scale(0.8);
    animation: logoFloatIn 1.2s ease forwards;
    width: 100px;
    height: 100px;
    border-radius: 0;
}

/* Circular positioning around center title */
.api-card:nth-child(1) { 
    top: 5%; 
    left: 50%; 
    transform: translateX(-50%);
    animation-delay: 0.1s; 
}
.api-card:nth-child(2) { 
    top: 23%; 
    right: 19%; 
    animation-delay: 0.2s; 
}
.api-card:nth-child(3) { 
    top: 40%; 
    right: 10%; 
    animation-delay: 0.3s; 
}
.api-card:nth-child(4) { 
    top: 60%; 
    right: 15%; 
    animation-delay: 0.4s; 
}
.api-card:nth-child(5) { 
    top: 83%; 
    right: 31%; 
    animation-delay: 0.5s; 
}
.api-card:nth-child(6) { 
    top: 85%; 
    left: 34%; 
    animation-delay: 0.6s; 
}
.api-card:nth-child(7) { 
    top: 69%; 
    left: 15%; 
    animation-delay: 0.7s; 
}
.api-card:nth-child(8) { 
    top: 40%; 
    left: 19%; 
    animation-delay: 0.8s; 
}

/* Additional cards for page 2 - perfect circular pattern */
.api-card:nth-child(9) { 
    top: 15%; 
    left: 20%; 
    animation-delay: 0.9s; 
}

/* Slide 5 Background Decorations */
.slide-5-decorations {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

/* Decoration Groups */
.decoration-group {
    position: absolute;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.decoration-group.top-left {
    top: 10%;
    left: 5%;
}

.decoration-group.top-right {
    top: 8%;
    right: 8%;
}

.decoration-group.bottom-left {
    bottom: 12%;
    left: 6%;
}

.decoration-group.bottom-right {
    bottom: 10%;
    right: 5%;
}

/* Modern Development Icons (Top-left) */
.modern-dev-icon {
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.35);
    animation: devFloat 7s ease-in-out infinite;
    backdrop-filter: blur(12px);
    border: 2px solid rgba(255, 255, 255, 0.25);
    position: relative;
}

.modern-dev-icon::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #667eea, #764ba2, #f093fb, #667eea);
    border-radius: 16px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modern-dev-icon:hover::after {
    opacity: 1;
}

.modern-dev-icon svg {
    width: 30px;
    height: 30px;
    z-index: 2;
    position: relative;
}

.modern-dev-icon.microservices {
    animation-delay: 0s;
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    box-shadow: 0 10px 30px rgba(255, 107, 107, 0.4);
}

.modern-dev-icon.devops {
    animation-delay: 1.5s;
    background: linear-gradient(135deg, #4ecdc4, #44a08d);
    box-shadow: 0 10px 30px rgba(78, 205, 196, 0.4);
}

.modern-dev-icon.serverless {
    animation-delay: 3s;
    background: linear-gradient(135deg, #a8edea, #fed6e3);
    color: #333;
    box-shadow: 0 10px 30px rgba(168, 237, 234, 0.4);
}

/* Modern Tech Icons (Top-right) */
.modern-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.4);
    animation: modernFloat 8s ease-in-out infinite;
    backdrop-filter: blur(15px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.modern-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.modern-icon:hover::before {
    left: 100%;
}

.modern-icon svg {
    width: 32px;
    height: 32px;
    z-index: 2;
    position: relative;
}

.modern-icon.ai-brain {
    animation-delay: 0s;
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    box-shadow: 0 12px 35px rgba(255, 107, 107, 0.5);
}

.modern-icon.blockchain {
    animation-delay: 1.5s;
    background: linear-gradient(135deg, #4ecdc4, #44a08d);
    box-shadow: 0 12px 35px rgba(78, 205, 196, 0.5);
}

.modern-icon.quantum {
    animation-delay: 3s;
    background: linear-gradient(135deg, #a8edea, #fed6e3);
    color: #333;
    box-shadow: 0 12px 35px rgba(168, 237, 234, 0.5);
}

.modern-icon.neural {
    animation-delay: 4.5s;
    background: linear-gradient(135deg, #f093fb, #f5576c);
    box-shadow: 0 12px 35px rgba(240, 147, 251, 0.5);
}

.modern-icon.crypto {
    animation-delay: 6s;
    background: linear-gradient(135deg, #fa709a, #fee140);
    box-shadow: 0 12px 35px rgba(250, 112, 154, 0.5);
}

/* Future Tech Icons (Bottom-left) */
.future-tech-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, #f093fb, #f5576c);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 8px 25px rgba(240, 147, 251, 0.45);
    animation: futurePulse 6s ease-in-out infinite;
    backdrop-filter: blur(12px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    position: relative;
}

.future-tech-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.3s ease;
}

.future-tech-icon:hover::before {
    width: 100%;
    height: 100%;
}

.future-tech-icon svg {
    width: 26px;
    height: 26px;
    z-index: 2;
    position: relative;
}

.future-tech-icon.iot {
    animation-delay: 0s;
    background: linear-gradient(135deg, #4facfe, #00f2fe);
    box-shadow: 0 8px 25px rgba(79, 172, 254, 0.5);
}

.future-tech-icon.cybersecurity {
    animation-delay: 2s;
    background: linear-gradient(135deg, #43e97b, #38f9d7);
    box-shadow: 0 8px 25px rgba(67, 233, 123, 0.5);
}

.future-tech-icon.space-tech {
    animation-delay: 4s;
    background: linear-gradient(135deg, #fa709a, #fee140);
    box-shadow: 0 8px 25px rgba(250, 112, 154, 0.5);
}

/* Digital Innovation Icons (Bottom-right) */
.digital-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #a8edea, #fed6e3);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #333;
    box-shadow: 0 6px 20px rgba(168, 237, 234, 0.4);
    animation: digitalRotate 8s ease-in-out infinite;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    position: relative;
}

.digital-icon::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.2) 50%, transparent 70%);
    border-radius: 12px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.digital-icon:hover::after {
    opacity: 1;
}

.digital-icon svg {
    width: 24px;
    height: 24px;
    z-index: 2;
    position: relative;
}

.digital-icon.big-data {
    animation-delay: 0s;
    background: linear-gradient(135deg, #ffecd2, #fcb69f);
    box-shadow: 0 6px 20px rgba(255, 236, 210, 0.5);
}

.digital-icon.ai-ml {
    animation-delay: 2.5s;
    background: linear-gradient(135deg, #a8edea, #fed6e3);
    box-shadow: 0 6px 20px rgba(168, 237, 234, 0.5);
}

.digital-icon.metaverse {
    animation-delay: 5s;
    background: linear-gradient(135deg, #d299c2, #fef9d7);
    box-shadow: 0 6px 20px rgba(210, 153, 194, 0.5);
}

/* Center Floating Elements */
.center-decorations {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 0;
}

.floating-element {
    position: absolute;
    opacity: 0.1;
}

.floating-element.api-badge {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    animation: floatBadge 8s ease-in-out infinite;
}

.floating-element.data-flow {
    display: flex;
    gap: 8px;
    transform: rotate(45deg);
}

.flow-line {
    width: 3px;
    height: 20px;
    background: linear-gradient(to bottom, #667eea, #764ba2);
    border-radius: 2px;
    animation: flowAnimation 3s ease-in-out infinite;
}

.flow-line:nth-child(1) { animation-delay: 0s; }
.flow-line:nth-child(2) { animation-delay: 1s; }
.flow-line:nth-child(3) { animation-delay: 2s; }

/* Modern Decoration Animations */
@keyframes modernFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg) scale(1); }
    25% { transform: translateY(-15px) rotate(1deg) scale(1.05); }
    50% { transform: translateY(-8px) rotate(-0.5deg) scale(1.02); }
    75% { transform: translateY(-20px) rotate(0.5deg) scale(1.08); }
}

@keyframes devFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg) scale(1); }
    25% { transform: translateY(-12px) rotate(2deg) scale(1.03); }
    50% { transform: translateY(-6px) rotate(-1deg) scale(1.01); }
    75% { transform: translateY(-18px) rotate(1deg) scale(1.06); }
}

@keyframes futurePulse {
    0%, 100% { transform: scale(1) rotate(0deg); }
    25% { transform: scale(1.08) rotate(1deg); }
    50% { transform: scale(1.15) rotate(0deg); }
    75% { transform: scale(1.08) rotate(-1deg); }
}

@keyframes digitalRotate {
    0%, 100% { transform: rotate(0deg) scale(1); }
    25% { transform: rotate(90deg) scale(1.05); }
    50% { transform: rotate(180deg) scale(1.1); }
    75% { transform: rotate(270deg) scale(1.05); }
}

@keyframes floatBadge {
    0%, 100% { transform: translate(-50%, -50%) translateY(0px); }
    50% { transform: translate(-50%, -50%) translateY(-10px); }
}

@keyframes flowAnimation {
    0%, 100% { height: 20px; opacity: 0.6; }
    50% { height: 30px; opacity: 1; }
}

/* Slide 6 Decorations - E-commerce Theme */
.slide-6-decorations {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

/* E-commerce Icons (Top-left) */
.ecommerce-icon {
    width: 58px;
    height: 58px;
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 10px 30px rgba(255, 107, 107, 0.4);
    animation: ecommerceFloat 7s ease-in-out infinite;
    backdrop-filter: blur(12px);
    border: 2px solid rgba(255, 255, 255, 0.25);
    position: relative;
}

.ecommerce-icon::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #ff6b6b, #ee5a24, #feca57, #ff6b6b);
    border-radius: 17px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.ecommerce-icon:hover::after {
    opacity: 1;
}

.ecommerce-icon svg {
    width: 32px;
    height: 32px;
    z-index: 2;
    position: relative;
}

.ecommerce-icon.shopping-cart {
    animation-delay: 0s;
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    box-shadow: 0 10px 30px rgba(255, 107, 107, 0.5);
}

.ecommerce-icon.payment {
    animation-delay: 1.5s;
    background: linear-gradient(135deg, #4ecdc4, #44a08d);
    box-shadow: 0 10px 30px rgba(78, 205, 196, 0.5);
}

.ecommerce-icon.delivery {
    animation-delay: 3s;
    background: linear-gradient(135deg, #a8edea, #fed6e3);
    color: #333;
    box-shadow: 0 10px 30px rgba(168, 237, 234, 0.5);
}

/* Digital Commerce Icons (Top-right) */
.digital-commerce-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.4);
    animation: digitalCommerceFloat 8s ease-in-out infinite;
    backdrop-filter: blur(15px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.digital-commerce-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.digital-commerce-icon:hover::before {
    left: 100%;
}

.digital-commerce-icon svg {
    width: 30px;
    height: 30px;
    z-index: 2;
    position: relative;
}

.digital-commerce-icon.mobile-commerce {
    animation-delay: 0s;
    background: linear-gradient(135deg, #667eea, #764ba2);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.5);
}

.digital-commerce-icon.social-commerce {
    animation-delay: 2s;
    background: linear-gradient(135deg, #f093fb, #f5576c);
    box-shadow: 0 12px 35px rgba(240, 147, 251, 0.5);
}

.digital-commerce-icon.live-streaming {
    animation-delay: 4s;
    background: linear-gradient(135deg, #fa709a, #fee140);
    box-shadow: 0 12px 35px rgba(250, 112, 154, 0.5);
}

/* Marketplace Icons (Bottom-left) */
.marketplace-icon {
    width: 54px;
    height: 54px;
    background: linear-gradient(135deg, #4ecdc4, #44a08d);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 9px 28px rgba(78, 205, 196, 0.4);
    animation: marketplaceFloat 6s ease-in-out infinite;
    backdrop-filter: blur(12px);
    border: 2px solid rgba(255, 255, 255, 0.25);
    position: relative;
}

.marketplace-icon::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.2) 50%, transparent 70%);
    border-radius: 14px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.marketplace-icon:hover::after {
    opacity: 1;
}

.marketplace-icon svg {
    width: 28px;
    height: 28px;
    z-index: 2;
    position: relative;
}

.marketplace-icon.global-market {
    animation-delay: 0s;
    background: linear-gradient(135deg, #4ecdc4, #44a08d);
    box-shadow: 0 9px 28px rgba(78, 205, 196, 0.5);
}

.marketplace-icon.cross-border {
    animation-delay: 2s;
    background: linear-gradient(135deg, #a8edea, #fed6e3);
    color: #333;
    box-shadow: 0 9px 28px rgba(168, 237, 234, 0.5);
}

.marketplace-icon.supply-chain {
    animation-delay: 4s;
    background: linear-gradient(135deg, #f093fb, #f5576c);
    box-shadow: 0 9px 28px rgba(240, 147, 251, 0.5);
}

/* Innovation Icons (Bottom-right) */
.innovation-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, #fa709a, #fee140);
    border-radius: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 8px 25px rgba(250, 112, 154, 0.4);
    animation: innovationFloat 7s ease-in-out infinite;
    backdrop-filter: blur(12px);
    border: 2px solid rgba(255, 255, 255, 0.25);
    position: relative;
}

.innovation-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.3s ease;
}

.innovation-icon:hover::before {
    width: 100%;
    height: 100%;
}

.innovation-icon svg {
    width: 26px;
    height: 26px;
    z-index: 2;
    position: relative;
}

.innovation-icon.ai-recommendation {
    animation-delay: 0s;
    background: linear-gradient(135deg, #fa709a, #fee140);
    box-shadow: 0 8px 25px rgba(250, 112, 154, 0.5);
}

.innovation-icon.virtual-reality {
    animation-delay: 2.5s;
    background: linear-gradient(135deg, #667eea, #764ba2);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
}

.innovation-icon.blockchain-commerce {
    animation-delay: 5s;
    background: linear-gradient(135deg, #4ecdc4, #44a08d);
    box-shadow: 0 8px 25px rgba(78, 205, 196, 0.5);
}

/* Slide 7 Decorations - Japan Theme */
.slide-7-decorations {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

/* Japanese Culture Icons (Top-left) */
.japanese-icon {
    width: 57px;
    height: 57px;
    background: linear-gradient(135deg, #ff9a9e, #fecfef);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 11px 32px rgba(255, 154, 158, 0.4);
    animation: japaneseFloat 8s ease-in-out infinite;
    backdrop-filter: blur(13px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    position: relative;
}

.japanese-icon::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #ff9a9e, #fecfef, #a8edea, #ff9a9e);
    border-radius: 17px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.japanese-icon:hover::after {
    opacity: 1;
}

.japanese-icon svg {
    width: 31px;
    height: 31px;
    z-index: 2;
    position: relative;
}

.japanese-icon.cherry-blossom {
    animation-delay: 0s;
    background: linear-gradient(135deg, #ff9a9e, #fecfef);
    box-shadow: 0 11px 32px rgba(255, 154, 158, 0.5);
}

.japanese-icon.torii-gate {
    animation-delay: 2s;
    background: linear-gradient(135deg, #a8edea, #fed6e3);
    color: #333;
    box-shadow: 0 11px 32px rgba(168, 237, 234, 0.5);
}

.japanese-icon.sushi {
    animation-delay: 4s;
    background: linear-gradient(135deg, #4ecdc4, #44a08d);
    box-shadow: 0 11px 32px rgba(78, 205, 196, 0.5);
}

/* Technology Icons (Top-right) - Japan Style */
.tech-icon.robotics {
    animation-delay: 0s;
    background: linear-gradient(135deg, #667eea, #764ba2);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.5);
}

.tech-icon.gaming {
    animation-delay: 2.5s;
    background: linear-gradient(135deg, #f093fb, #f5576c);
    box-shadow: 0 12px 35px rgba(240, 147, 251, 0.5);
}

.tech-icon.anime {
    animation-delay: 5s;
    background: linear-gradient(135deg, #fa709a, #fee140);
    box-shadow: 0 12px 35px rgba(250, 112, 154, 0.5);
}

/* Innovation Icons (Bottom-left) - Japan Style */
.innovation-icon.smart-city {
    animation-delay: 0s;
    background: linear-gradient(135deg, #4ecdc4, #44a08d);
    box-shadow: 0 8px 25px rgba(78, 205, 196, 0.5);
}

.innovation-icon.green-tech {
    animation-delay: 2.5s;
    background: linear-gradient(135deg, #a8edea, #fed6e3);
    color: #333;
    box-shadow: 0 8px 25px rgba(168, 237, 234, 0.5);
}

.innovation-icon.quantum-japan {
    animation-delay: 5s;
    background: linear-gradient(135deg, #f093fb, #f5576c);
    box-shadow: 0 8px 25px rgba(240, 147, 251, 0.5);
}

/* Culture Icons (Bottom-right) */
.culture-icon {
    width: 53px;
    height: 53px;
    background: linear-gradient(135deg, #d299c2, #fef9d7);
    border-radius: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 9px 26px rgba(210, 153, 194, 0.4);
    animation: cultureFloat 7s ease-in-out infinite;
    backdrop-filter: blur(12px);
    border: 2px solid rgba(255, 255, 255, 0.25);
    position: relative;
}

.culture-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.2) 50%, transparent 70%);
    border-radius: 13px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.culture-icon:hover::after {
    opacity: 1;
}

.culture-icon svg {
    width: 27px;
    height: 27px;
    z-index: 2;
    position: relative;
}

.culture-icon.traditional {
    animation-delay: 0s;
    background: linear-gradient(135deg, #d299c2, #fef9d7);
    color: #333;
    box-shadow: 0 9px 26px rgba(210, 153, 194, 0.5);
}

.culture-icon.modern {
    animation-delay: 2.5s;
    background: linear-gradient(135deg, #667eea, #764ba2);
    box-shadow: 0 9px 26px rgba(102, 126, 234, 0.5);
}

.culture-icon.fusion {
    animation-delay: 5s;
    background: linear-gradient(135deg, #fa709a, #fee140);
    box-shadow: 0 9px 26px rgba(250, 112, 154, 0.5);
}

/* Special Badge Styles */
.floating-element.commerce-badge {
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: bold;
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
    animation: commerceBadgeFloat 9s ease-in-out infinite;
}

.floating-element.japan-badge {
    background: linear-gradient(135deg, #ff9a9e, #fecfef);
    color: white;
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: bold;
    box-shadow: 0 6px 20px rgba(255, 154, 158, 0.4);
    animation: japanBadgeFloat 9s ease-in-out infinite;
}

/* New Animation Keyframes */
@keyframes ecommerceFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg) scale(1); }
    25% { transform: translateY(-14px) rotate(1deg) scale(1.04); }
    50% { transform: translateY(-7px) rotate(-0.5deg) scale(1.02); }
    75% { transform: translateY(-19px) rotate(0.5deg) scale(1.06); }
}

@keyframes digitalCommerceFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg) scale(1); }
    25% { transform: translateY(-16px) rotate(1deg) scale(1.05); }
    50% { transform: translateY(-8px) rotate(-0.5deg) scale(1.02); }
    75% { transform: translateY(-21px) rotate(0.5deg) scale(1.08); }
}

@keyframes marketplaceFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg) scale(1); }
    25% { transform: translateY(-13px) rotate(2deg) scale(1.03); }
    50% { transform: translateY(-6px) rotate(-1deg) scale(1.01); }
    75% { transform: translateY(-17px) rotate(1deg) scale(1.05); }
}

@keyframes innovationFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg) scale(1); }
    25% { transform: translateY(-15px) rotate(1deg) scale(1.04); }
    50% { transform: translateY(-7px) rotate(-0.5deg) scale(1.02); }
    75% { transform: translateY(-20px) rotate(0.5deg) scale(1.07); }
}

@keyframes japaneseFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg) scale(1); }
    25% { transform: translateY(-15px) rotate(1deg) scale(1.05); }
    50% { transform: translateY(-8px) rotate(-0.5deg) scale(1.02); }
    75% { transform: translateY(-20px) rotate(0.5deg) scale(1.08); }
}

@keyframes cultureFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg) scale(1); }
    25% { transform: translateY(-14px) rotate(1deg) scale(1.04); }
    50% { transform: translateY(-7px) rotate(-0.5deg) scale(1.02); }
    75% { transform: translateY(-18px) rotate(0.5deg) scale(1.06); }
}

@keyframes commerceBadgeFloat {
    0%, 100% { transform: translate(-50%, -50%) translateY(0px); }
    50% { transform: translate(-50%, -50%) translateY(-12px); }
}

@keyframes japanBadgeFloat {
    0%, 100% { transform: translate(-50%, -50%) translateY(0px); }
    50% { transform: translate(-50%, -50%) translateY(-12px); }
}
.api-card:nth-child(10) { 
    top: 15%; 
    left: 35%; 
    animation-delay: 1.0s; 
}
.api-card:nth-child(11) { 
    top: 15%; 
    right: 35%; 
    animation-delay: 1.1s; 
}
.api-card:nth-child(12) { 
    top: 25%; 
    right: 35%; 
    animation-delay: 1.2s; 
}
.api-card:nth-child(13) { 
    top: 35%; 
    right: 25%; 
    animation-delay: 1.3s; 
}
.api-card:nth-child(14) { 
    top: 50%; 
    right: 20%; 
    animation-delay: 1.4s; 
}
.api-card:nth-child(15) { 
    top: 65%; 
    right: 25%; 
    animation-delay: 1.5s; 
}
.api-card:nth-child(16) { 
    top: 75%; 
    right: 35%; 
    animation-delay: 1.6s; 
}

/* Japan APIs specific positioning - perfect circular pattern */
#slide-7 .api-card:nth-child(1) { 
    top: 12%; 
    left: 55%; 
    transform: translateX(-50%);
}
#slide-7 .api-card:nth-child(2) { 
    top: 50%; 
    right: 16%; 
}
#slide-7 .api-card:nth-child(3) { 
    top: 80%; 
    left: 50%; 
    transform: translateX(-50%);
}
#slide-7 .api-card:nth-child(4) { 
    top: 18%;
    left: 28%; 
}

/* Hover effects for floating logos */
.api-card:hover {
    transform: scale(1.2) translateY(-15px) !important;
    z-index: 100;
}

/* Logo styling - NO BACKGROUND, NO CARD */
.api-logo {
    width: 100% !important;
    height: 100% !important;
    margin: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94) !important;
    background: none !important;
    border-radius: 0 !important;
    padding: 0 !important;
    border: none !important;
    position: relative !important;
}

.api-card:hover .api-logo {
    transform: scale(1.1);
}

.api-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: grayscale(0%) brightness(1);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    max-width: 100%;
    max-height: 100%;
    opacity: 0.85;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
    border-radius: 25px;
    padding: 0px;
}

.api-card:hover .api-logo img {
    filter: grayscale(0%) brightness(1.3);
    transform: scale(1.05);
    opacity: 1;
}

/* Text info - floating above logos */
.api-info {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
    white-space: nowrap;
    z-index: 10;
}

.api-card:hover .api-info {
    opacity: 1;
    top: 110%;
}

.api-info h3 {
    font-size: 0.8rem;
    font-weight: 600;
    color: #333;
    margin-bottom: 0.3rem;
    background: rgba(255, 255, 255, 0.95);
    padding: 0.3rem 0.6rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.api-info p {
    font-size: 0.65rem;
    color: #666;
    background: rgba(255, 255, 255, 0.9);
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

/* Feature tags - floating near logos */
.api-features {
    position: absolute;
    top: -25px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.3rem;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
}

.api-card:hover .api-features {
    opacity: 1;
    top: -35px;
}

.feature-tag {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 0.2rem 0.5rem;
    border-radius: 10px;
    font-size: 0.6rem;
    font-weight: 500;
    box-shadow: 0 2px 6px rgba(102, 126, 234, 0.3);
}

/* Animations */
@keyframes logoFloatIn {
    0% {
        opacity: 0;
        transform: translateY(50px) scale(0.8) rotate(-5deg);
    }
    50% {
        opacity: 0.7;
        transform: translateY(25px) scale(0.9) rotate(-2deg);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1) rotate(0deg);
    }
}

/* Continuous floating animation */
.api-card {
    animation: logoFloatIn 1.2s ease forwards, continuousFloat 8s ease-in-out infinite;
}

@keyframes continuousFloat {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    25% {
        transform: translateY(-8px) rotate(1deg);
    }
    50% {
        transform: translateY(-4px) rotate(-1deg);
    }
    75% {
        transform: translateY(-12px) rotate(0.5deg);
    }
}

/* Hover state overrides floating animation */
.api-card:hover {
    animation: logoFloatIn 1.2s ease forwards, none !important;
}



/* Progress Bar */
.slide-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #667eea, #764ba2);
    width: 0%;
    transition: width 0.3s ease;
}

/* Keyboard Hint */
.keyboard-hint {
    position: fixed;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    opacity: 0.7;
    transition: opacity 0.3s ease;
    z-index: 1000;
}

.keyboard-hint:hover {
    opacity: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Hero Section Mobile Optimization */
    .hero-title {
        font-size: 2.5rem;
        margin-bottom: 1.5rem;
        line-height: 1.1;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 2rem;
        line-height: 1.4;
        padding: 0 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
        padding: 0 1rem;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .primary-btn, .secondary-btn {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
        width: 100%;
        border-radius: 25px;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .interactive-content,
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .apis-grid {
        height: 50vh;
    }
    
    /* Mobile: Stack cards vertically */
    .api-card {
        position: relative !important;
        top: auto !important;
        left: auto !important;
        right: auto !important;
        width: 100% !important;
        margin-bottom: 1rem;
        transform: none !important;
    }
    
    .slide-nav {
        right: 1rem;
    }
    
    .keyboard-hint {
        display: none;
    }
    
    /* Mobile: Adjust registration flow */
    .registration-flow {
        flex-direction: column;
        gap: 2rem;
        padding: 0 1rem;
    }
    
    .flow-step {
        width: 100%;
        max-width: 300px;
    }
    
    .step-arrow {
        display: none;
    }
}

/* Extra Small Mobile Devices */
@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 1.5rem;
        padding: 0 0.5rem;
    }
    
    .hero-buttons {
        max-width: 280px;
        gap: 0.8rem;
    }
    
    .primary-btn, .secondary-btn {
        padding: 0.7rem 1.2rem;
        font-size: 0.95rem;
        border-radius: 20px;
    }
}

/* Slide Transitions */
.slide-enter {
    transform: translateY(100%);
    opacity: 0;
}

.slide-enter-active {
    transform: translateY(0);
    opacity: 1;
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.slide-exit {
    transform: translateY(0);
    opacity: 1;
}

.slide-exit-active {
    transform: translateY(-100%);
    opacity: 0;
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.slide.active#slide-7 {
    background-color: #e52d27;
    /* background-image: linear-gradient(to right, #eea2a2 0%, #bbc1bf 19%, #57c6e1 42%, #b49fda 79%, #7ac5d8 100%); */
    background-image: linear-gradient( 90.1deg,  rgba(122,0,0,1) 8.1%, rgba(217,42,42,1) 74.4% );
    /* background-blend-mode: soft-light,screen; */
}
.slide.active#slide-5 {
    background: hsla(16, 100%, 76%, 1);
    background: linear-gradient(90deg, hsla(16, 100%, 76%, 1) 0%, hsla(49, 100%, 81%, 1) 100%);
    background: -moz-linear-gradient(90deg, hsla(16, 100%, 76%, 1) 0%, hsla(49, 100%, 81%, 1) 100%);
    background: -webkit-linear-gradient(90deg, hsla(16, 100%, 76%, 1) 0%, hsla(49, 100%, 81%, 1) 100%);
    background-image: linear-gradient(to top, #ff9a9e 0%, #fecfef 99%, #fecfef 100%);
}
.slide.active#slide-6 {
    background: hsla(16, 100%, 76%, 1);
    background: linear-gradient(90deg, hsla(16, 100%, 76%, 1) 0%, hsla(49, 100%, 81%, 1) 100%);
    background: -moz-linear-gradient(90deg, hsla(16, 100%, 76%, 1) 0%, hsla(49, 100%, 81%, 1) 100%);
    background: -webkit-linear-gradient(90deg, hsla(16, 100%, 76%, 1) 0%, hsla(49, 100%, 81%, 1) 100%);
    filter: progid: DXImageTransform.Microsoft.gradient( startColorstr="#FFA585", endColorstr="#FFEDA0", GradientType=1 );   
}

/* Mobile optimization for slide-1 (Features) */
@media (max-width: 768px) {
    #slide-1 .slide-content {
        padding: 0.5rem 1rem;
        justify-content: flex-start;
        align-items: center;
    }
    
    #slide-1 .section-header {
        margin-bottom: 1.5rem;
        margin-top: 1rem;
    }
    
    #slide-1 .section-title {
        font-size: 1.8rem;
        margin-bottom: 0;
    }
    
    /* Mobile Features Grid - Show only icons */
    #slide-1 .mobile-features-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 1rem;
        max-width: 100%;
        padding: 0;
        margin-top: 0;
        width: 100%;
    }
    
    #slide-1 .mobile-feature-card {
        background: rgba(255, 255, 255, 0.95);
        padding: 1.2rem 0.8rem;
        border-radius: 18px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        cursor: pointer;
        transition: all 0.3s ease;
        min-height: 120px;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        position: relative;
        overflow: hidden;
        backdrop-filter: blur(15px);
        border: 1px solid rgba(255, 255, 255, 0.3);
    }
    
    #slide-1 .mobile-feature-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
        background: rgba(255, 255, 255, 1);
        border-color: rgba(102, 126, 234, 0.4);
    }
    
    /* Disable active state on mobile to prevent jumping */
    @media (min-width: 769px) {
        #slide-1 .mobile-feature-card:active {
            transform: translateY(-4px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
        }
    }
    
    #slide-1 .mobile-feature-card .feature-icon {
        font-size: 3rem;
        margin-bottom: 0.8rem;
        transition: transform 0.3s ease;
        filter: drop-shadow(0 3px 6px rgba(0, 0, 0, 0.15));
    }
    
    #slide-1 .mobile-feature-card:hover .feature-icon {
        transform: scale(1.15);
        filter: drop-shadow(0 6px 12px rgba(0, 0, 0, 0.2));
    }
    
    #slide-1 .mobile-feature-card h3 {
        font-size: 1rem;
        margin-bottom: 0;
        line-height: 1.3;
        color: #333;
        font-weight: 600;
        text-align: center;
        max-width: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        padding: 0 0.3rem;
    }
    
    #slide-1 .mobile-feature-card .feature-description {
        display: none;
    }
    
    /* Hide h3 and p in mobile version */
    #slide-1 .mobile-feature-card h3 {
        display: none;
    }
    
    #slide-1 .mobile-feature-card p {
        display: none;
    }
    
    /* Mobile Feature Display */
    .mobile-feature-display {
        display: block;
        background: rgba(255, 255, 255, 0.95);
        margin: 1rem 0 2rem 0;
        padding: 1.5rem;
        border-radius: 20px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        backdrop-filter: blur(15px);
        border: 1px solid rgba(255, 255, 255, 0.3);
        text-align: center;
        transition: opacity 0.3s ease;
    }
    
    .mobile-feature-content {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .mobile-feature-icon-display {
        font-size: 4rem;
        filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.15));
    }
    
    .mobile-feature-title-display {
        font-size: 1.4rem;
        font-weight: 700;
        color: #333;
        margin: 0;
        line-height: 1.3;
    }
    
    .mobile-feature-description-display {
        font-size: 1rem;
        color: #666;
        line-height: 1.6;
        margin: 0;
        max-width: 100%;
    }
    
    /* Add subtle indicator for clickable cards */
    #slide-1 .mobile-feature-card::after {
        content: '';
        position: absolute;
        bottom: 0.5rem;
        left: 50%;
        transform: translateX(-50%);
        width: 25px;
        height: 4px;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        border-radius: 2px;
        opacity: 0.7;
        transition: all 0.3s ease;
    }
    
    #slide-1 .mobile-feature-card:hover::after {
        opacity: 1;
        width: 35px;
        height: 5px;
    }
    
    /* Add subtle glow effect on hover */
    #slide-1 .mobile-feature-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.08) 0%, rgba(118, 75, 162, 0.08) 100%);
        opacity: 0;
        transition: opacity 0.3s ease;
        border-radius: 18px;
        pointer-events: none;
    }
    
    #slide-1 .mobile-feature-card:hover::before {
        opacity: 1;
    }
    
    /* Add floating animation to cards */
    #slide-1 .mobile-feature-card:nth-child(odd) {
        animation: floatCard 6s ease-in-out infinite;
    }
    
    #slide-1 .mobile-feature-card:nth-child(even) {
        animation: floatCard 6s ease-in-out infinite reverse;
    }
    
    @keyframes floatCard {
        0%, 100% { transform: translateY(0px); }
        50% { transform: translateY(-5px); }
    }
    
    #slide-1 .mobile-feature-card:hover {
        animation: none;
    }
}

@media (max-width: 480px) {
    .slide-content {
        padding: 0.5rem;
    }
    
    /* Special optimization for slide-1 (Features) */
    #slide-1 .slide-content {
        padding: 0.3rem 0.5rem;
    }
    
    /* Hide h3 and p in mobile version */
    #slide-1 .mobile-feature-card h3 {
        display: none;
    }
    
    #slide-1 .mobile-feature-card p {
        display: none;
    }
    
    /* Mobile Feature Display responsive */
    .mobile-feature-display {
        margin: 0.8rem 0 1.5rem 0;
        padding: 1.2rem;
    }
    
    .mobile-feature-icon-display {
        font-size: 3.5rem;
    }
    
    .mobile-feature-title-display {
        font-size: 1.2rem;
    }
    
    .mobile-feature-description-display {
        font-size: 0.9rem;
    }
}

@media (max-width: 360px) {
    /* Hide h3 and p in mobile version */
    #slide-1 .mobile-feature-card h3 {
        display: none;
    }
    
    #slide-1 .mobile-feature-card p {
        display: none;
    }
    
    /* Mobile Feature Display responsive */
    .mobile-feature-display {
        margin: 0.6rem 0 1.2rem 0;
        padding: 1rem;
    }
    
    .mobile-feature-icon-display {
        font-size: 3rem;
    }
    
    .mobile-feature-title-display {
        font-size: 1.1rem;
    }
    
    .mobile-feature-description-display {
        font-size: 0.85rem;
    }
}

/* Enhanced Modal Animations and Effects */
.mobile-feature-modal.active .modal-content {
    transform: scale(1) translateY(0) rotateX(0deg);
    animation: modalEntrance 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

@keyframes modalEntrance {
    0% {
        transform: scale(0.6) translateY(80px) rotateX(15deg);
        opacity: 0;
    }
    50% {
        transform: scale(1.05) translateY(-10px) rotateX(5deg);
        opacity: 0.8;
    }
    100% {
        transform: scale(1) translateY(0) rotateX(0deg);
        opacity: 1;
    }
}

/* Modal Content Hover Effects */
.modal-content:hover {
    box-shadow: 
        0 45px 90px rgba(0, 0, 0, 0.45),
        0 25px 50px rgba(102, 126, 234, 0.25),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

/* Enhanced Feature Cards with Better Spacing */
.modal-feature-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.2rem;
    margin-top: 2.5rem;
    padding: 0 1.5rem;
}

.modal-feature-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 249, 255, 0.95) 100%);
    padding: 1.8rem 1.2rem;
    border-radius: 20px;
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.12),
        0 5px 15px rgba(102, 126, 234, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(102, 126, 234, 0.2);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.modal-feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.15), transparent);
    transition: left 0.6s ease;
}

.modal-feature-card:hover::before {
    left: 100%;
}

.modal-feature-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 20px 50px rgba(0, 0, 0, 0.18),
        0 10px 25px rgba(102, 126, 234, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 1);
    border-color: rgba(102, 126, 234, 0.4);
}

.modal-feature-card:active {
    transform: translateY(-4px) scale(0.98);
}

.modal-feature-icon {
    font-size: 3rem;
    margin-bottom: 1.2rem;
    display: block;
    filter: drop-shadow(0 5px 10px rgba(0, 0, 0, 0.2));
    transition: all 0.3s ease;
}

.modal-feature-card:hover .modal-feature-icon {
    transform: scale(1.1);
    filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.25));
}

.modal-feature-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #333;
    margin-bottom: 0.8rem;
    transition: color 0.3s ease;
}

.modal-feature-card:hover .modal-feature-title {
    color: #667eea;
}

.modal-feature-text {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.6;
    transition: color 0.3s ease;
}

.modal-feature-card:hover .modal-feature-text {
    color: #555;
}

/* Responsive adjustments for modal */
@media (max-width: 480px) {
    .modal-content {
        margin: 0.8rem;
        max-width: 96%;
        max-height: 90%;
    }
    
    .modal-header {
        padding: 2rem 1.5rem 1.5rem;
    }
    
    .modal-title {
        font-size: 1.6rem;
    }
    
    .modal-body {
        padding: 0 2rem;
    }
    
    .modal-icon {
        font-size: 5rem;
        /* margin-bottom: 2rem; */
    }
    
    .modal-description {
        font-size: 1.1rem;
        padding: 1.5rem;
    }
    
    .modal-feature-cards {
        grid-template-columns: 1fr;
        gap: 1rem;
        margin-top: 2rem;
        padding: 0 1rem;
    }
    
    .modal-feature-card {
        padding: 1.5rem 1rem;
    }
    
    .modal-feature-icon {
        font-size: 2.5rem;
        margin-bottom: 1rem;
    }
}

@media (max-width: 360px) {
    .modal-content {
        margin: 0.5rem;
        max-width: 98%;
        max-height: 92%;
    }
    
    .modal-header {
        padding: 1.8rem 1.2rem 1.2rem;
    }
    
    .modal-title {
        font-size: 1.4rem;
    }
    
    .modal-body {
        padding: 2rem 1.5rem;
    }
    
    .modal-icon {
        font-size: 4.5rem;
        margin-bottom: 1.8rem;
    }
    
    .modal-description {
        font-size: 1rem;
        /* padding: 1.2rem; */
    }
    
    .modal-feature-cards {
        margin-top: 1.8rem;
        padding: 0 0.8rem;
    }
    
    .modal-feature-card {
        padding: 1.2rem 0.8rem;
    }
    
    .modal-feature-icon {
        font-size: 2.2rem;
        margin-bottom: 0.8rem;
    }
    
    .modal-feature-title {
        font-size: 1rem;
        margin-bottom: 0.6rem;
    }
    
    .modal-feature-text {
        font-size: 0.9rem;
    }
}

/* Specific styles for mobileFeatureModal - Remove all shadows and borders */
#mobileFeatureModal .modal-content {
    box-shadow: none !important;
    border: none !important;
}

#mobileFeatureModal .modal-content:hover {
    box-shadow: none !important;
    border: none !important;
    transform: none !important;
}

#mobileFeatureModal .modal-header {
    box-shadow: none !important;
    border: none !important;
}

#mobileFeatureModal .modal-header:hover {
    box-shadow: none !important;
    border: none !important;
}

#mobileFeatureModal .modal-body {
    box-shadow: none !important;
    border: none !important;
}

#mobileFeatureModal .modal-body:hover {
    box-shadow: none !important;
    border: none !important;
}

#mobileFeatureModal .modal-description {
    box-shadow: none !important;
    border: none !important;
}

#mobileFeatureModal .modal-description:hover {
    box-shadow: none !important;
    border: none !important;
}

#mobileFeatureModal .modal-description::before {
    display: none !important;
}

/* Remove all shadows and borders from any elements inside the modal */
#mobileFeatureModal * {
    box-shadow: none !important;
    border: none !important;
    text-shadow: none !important;
    filter: none !important;
}

#mobileFeatureModal *:hover {
    box-shadow: none !important;
    border: none !important;
    text-shadow: none !important;
    filter: none !important;
}

#mobileFeatureModal *:active {
    box-shadow: none !important;
    border: none !important;
}

#mobileFeatureModal *:focus {
    box-shadow: none !important;
    border: none !important;
    outline: none !important;
}