/* Variables */
:root {
    --primary-blue: #1e5a8b;
    --secondary-blue: #3b82c4;
    --accent-blue: #60a5fa;
    --primary-green: #059669;
    --secondary-green: #10b981;
    --neutral-50: #f8fafc;
    --neutral-100: #f1f5f9;
    --neutral-200: #e2e8f0;
    --neutral-300: #cbd5e1;
    --neutral-400: #94a3b8;
    --neutral-500: #64748b;
    --neutral-600: #475569;
    --neutral-700: #334155;
    --neutral-800: #1e293b;
    --neutral-900: #0f172a;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
}

/* Base Styles */
body {
    font-family: 'Pretendard Variable', sans-serif;
    line-height: 1.6;
    color: var(--neutral-700);
    background-color: #ffffff;
}

#wrapper {
    min-height: 100vh;
    position: relative;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.hero {
    height: 100vh;
    min-height: 600px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
}

/* Hero Slider */
.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 120%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 2s ease-in-out;
}

.hero-slide.active {
    opacity: 1;
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(30, 90, 139, 0.6) 0%, rgba(16, 185, 129, 0.4) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 10;
    color: white;
    max-width: 800px;
    padding: 0 20px;
}

/* Hero Indicators */
.hero-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.6);
}

.indicator.active {
    background: rgba(255, 255, 255, 0.9);
    transform: scale(1.2);
    border-color: rgba(255, 255, 255, 1);
}

.indicator:hover {
    background: rgba(255, 255, 255, 0.7);
    transform: scale(1.1);
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 1rem;
    color: #baeeff;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-description {
    font-size: 1.125rem;
    font-weight: 400;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

/* Main Content */
.main-content {
    padding: 80px 0;
    background: linear-gradient(180deg, var(--neutral-50) 0%, #ffffff 100%);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--neutral-800);
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--secondary-green));
    border-radius: 2px;
}

/* Navigation Grid */
.navigation-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.nav-card {
    position: relative;
    height: 280px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    cursor: pointer;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* Background Images for Cards */
.nav-card[data-bg='about_busan'] {
    background-image: url('../images/main_busan01.jpg');
}

.nav-card[data-bg='marine_city'] {
    background-image: url('../images/marine_city.jpg');
}

.nav-card[data-bg='sandbeach'] {
    background-image: url('../images/sandbeach.jpg');
}

.nav-card[data-bg='flower'] {
    background-image: url('../images/main_basisInfo04.jpg');
}

.nav-card[data-bg='rock'] {
    background-image: url('../images/rock.jpg');
}

.nav-card[data-bg='fireworks'] {
    background-image: url('../images/fireworks.jpg');
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(30, 90, 139, 0.8) 0%, rgba(16, 185, 129, 0.6) 100%);
    transition: all 0.3s ease;
}

.nav-card:hover .card-overlay {
    background: linear-gradient(135deg, rgba(30, 90, 139, 0.9) 0%, rgba(16, 185, 129, 0.7) 100%);
}

.card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    color: white;
    z-index: 2;
}

.card-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.card-content p {
    font-size: 1rem;
    opacity: 0.9;
    line-height: 1.5;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.card-link {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 3;
    text-decoration: none;
}

.nav-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

/* Japanese Introduction Section */
.japanese-intro {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e0f2fe 50%, #f0f9ff 100%);
    border-top: 1px solid var(--neutral-200);
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
    align-items: center;
}

.intro-title {
    margin-bottom: 30px;
    text-align: center;
}

.japanese-title {
    display: block;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 10px;
    letter-spacing: 0.05em;
}

.korean-title {
    display: block;
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--neutral-600);
    letter-spacing: -0.02em;
}

.intro-description {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--neutral-700);
    margin-bottom: 40px;
    text-align: center;
}

.intro-highlights {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
}

.highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 12px;
    border: 1px solid rgba(96, 165, 250, 0.2);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
    /* animation: fadeInUp 0.6s ease-out forwards; */
}

.highlight-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-color: rgba(96, 165, 250, 0.4);
}

.highlight-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.highlight-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--neutral-800);
    margin-bottom: 8px;
}

.highlight-item p {
    font-size: 0.9rem;
    color: var(--neutral-600);
    line-height: 1.5;
    margin: 0;
}

.intro-visual {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.distance-card {
    background: white;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(96, 165, 250, 0.2);
    opacity: 0;
    transform: translateY(20px);
    /* animation: fadeInUp 0.6s ease-out 0.2s forwards; */
}

.route-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.from,
.to {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-blue);
    padding: 10px 20px;
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--secondary-green) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    border: 2px solid var(--accent-blue);
    border-radius: 25px;
    text-align: center;
}

.route-line {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    flex: 1;
    margin: 0 20px;
}

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

.duration {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--secondary-green);
}

.route-description {
    text-align: center;
    color: var(--neutral-600);
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

.travel-tips {
    background: white;
    border-radius: 16px;
    padding: 25px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.2);
    opacity: 0;
    transform: translateY(20px);
    /* animation: fadeInUp 0.6s ease-out 0.4s forwards; */
}

.travel-tips h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.travel-tips ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.travel-tips li {
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
    color: var(--neutral-700);
    font-size: 0.9rem;
}

.travel-tips li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-green);
    font-weight: bold;
}

.intro-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 20px;
}

.stat-item {
    text-align: center;
    padding: 30px 20px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(96, 165, 250, 0.1);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
    /* animation: fadeInUp 0.6s ease-out forwards; */
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-green) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--neutral-600);
    font-weight: 500;
}

/* Staggered animation for stat items */
.stat-item:nth-child(1) {
    animation-delay: 0.1s;
}
.stat-item:nth-child(2) {
    animation-delay: 0.2s;
}
.stat-item:nth-child(3) {
    animation-delay: 0.3s;
}
.stat-item:nth-child(4) {
    animation-delay: 0.4s;
}

/* Staggered animation for highlight items */
.highlight-item:nth-child(1) {
    animation-delay: 0.1s;
}
.highlight-item:nth-child(2) {
    animation-delay: 0.2s;
}
.highlight-item:nth-child(3) {
    animation-delay: 0.3s;
}

/* Transport icon animation */
.transport-icon {
    transition: transform 0.5s ease;
}

/* Features Section */
.features {
    padding: 80px 0;
    background: var(--neutral-50);
}

/* Experience Section */
.experience {
    padding: 80px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 50%, #f1f5f9 100%);
    position: relative;
}

.experience::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(
        90deg,
        var(--primary-blue),
        var(--secondary-green),
        var(--accent-blue)
    );
}

.experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.experience-item {
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(96, 165, 250, 0.1);
}

.experience-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--secondary-green));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.experience-item:hover::before {
    transform: scaleX(1);
}

.experience-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.experience-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
    text-align: center;
    transition: transform 0.3s ease;
}

.experience-item:hover .experience-icon {
    transform: scale(1.1) rotate(5deg);
}

.experience-item h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--neutral-800);
    margin-bottom: 15px;
    text-align: center;
}

.experience-item p {
    color: var(--neutral-600);
    line-height: 1.6;
    margin-bottom: 20px;
    text-align: center;
    font-size: 0.95rem;
}

.experience-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.experience-highlights span {
    background: linear-gradient(135deg, var(--accent-blue), var(--secondary-green));
    color: white;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.experience-highlights span:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(96, 165, 250, 0.4);
}

/* Transportation Section */
.transportation {
    padding-top: 80px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #f8fafc 100%);
    position: relative;
    padding-bottom: 200px;
}

.transport-content {
    max-width: 1200px;
    margin: 0 auto;
}

.transport-intro {
    text-align: center;
    margin-bottom: 50px;
    padding: 0 20px;
}

.transport-intro h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.transport-intro p {
    font-size: 1.1rem;
    color: var(--neutral-600);
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto;
}

.transport-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    /* margin-bottom: 60px; */
}

.transport-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(59, 130, 196, 0.1);
}

.transport-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.transport-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    transition: transform 0.3s ease;
    opacity: 1 !important;
}

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

.transport-info {
    padding: 30px;
}

.transport-info h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.transport-info p {
    color: var(--neutral-600);
    margin-bottom: 20px;
    line-height: 1.6;
}

.transport-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.transport-features li {
    padding: 8px 0;
    color: var(--neutral-700);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
}

.transport-features li::before {
    content: '✓';
    color: var(--secondary-green);
    font-weight: bold;
    margin-right: 8px;
}

.transport-apps {
    margin-top: 60px;
    /* margin-bottom: 200px; */
    padding: 40px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    border: 1px solid rgba(96, 165, 250, 0.1);
}

.transport-apps h3 {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--primary-blue);
    text-align: center;
    margin-bottom: 30px;
}

.app-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.app-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(96, 165, 250, 0.1);
}

.app-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
}

.app-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    object-fit: cover;
    flex-shrink: 0;
    opacity: 1 !important;
}

.app-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--neutral-800);
    margin-bottom: 5px;
}

.app-info p {
    color: var(--neutral-600);
    font-size: 0.85rem;
    line-height: 1.4;
    margin: 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-item {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    text-align: center;
}

.feature-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
    background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
    display: block;
}

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

.feature-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--neutral-800);
    padding: 20px 20px 10px;
    margin: 0;
}

.feature-item p {
    font-size: 0.9rem;
    color: var(--neutral-600);
    padding: 0 20px 20px;
    margin: 0;
    line-height: 1.5;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .hero-indicators {
        bottom: 20px;
        gap: 10px;
    }

    .indicator {
        width: 10px;
        height: 10px;
    }

    .navigation-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .nav-card {
        height: 200px;
        min-height: 200px;
    }

    .card-content {
        padding: 20px;
    }

    .card-content h3 {
        font-size: 1.25rem;
    }

    .card-content p {
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .main-content {
        padding: 60px 0;
    }

    /* Japanese Introduction Section - Tablet */
    .japanese-intro {
        padding: 60px 0;
    }

    .intro-content {
        grid-template-columns: 1fr;
        gap: 40px;
        margin-bottom: 40px;
    }

    .japanese-title {
        font-size: 1.8rem;
    }

    .korean-title {
        font-size: 1.3rem;
    }

    .intro-description {
        font-size: 1rem;
    }

    .intro-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .route-info {
        flex-direction: column;
        gap: 20px;
    }

    .route-line {
        margin: 0;
        flex-direction: row;
        gap: 15px;
    }

    .from,
    .to {
        font-size: 1.1rem;
        padding: 8px 16px;
    }

    .features {
        padding: 60px 0;
    }

    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 20px;
    }

    /* Experience Section - Tablet */
    .experience {
        padding: 60px 0;
    }

    .experience-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
    }

    .experience-item {
        padding: 30px 25px;
    }

    .experience-icon {
        font-size: 2.5rem;
        margin-bottom: 15px;
    }

    .experience-item h3 {
        font-size: 1.2rem;
    }

    .experience-item p {
        font-size: 0.9rem;
    }

    .experience-highlights span {
        font-size: 0.75rem;
        padding: 5px 10px;
    }

    /* Transportation Section - Tablet */
    .transportation {
        padding: 60px 0;
    }

    .transport-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
    }

    .transport-apps {
        padding: 30px;
    }

    .app-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 15px;
    }

    .app-item {
        padding: 15px;
    }

    .app-icon {
        width: 40px;
        height: 40px;
    }
}

@media (max-width: 480px) {
    .hero {
        min-height: 500px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .navigation-grid {
        grid-template-columns: 1fr;
    }

    .nav-card {
        min-width: 100%;
        height: 180px;
    }

    /* Japanese Introduction Section - Mobile */
    .japanese-intro {
        padding: 40px 0;
    }

    .intro-content {
        gap: 30px;
        margin-bottom: 30px;
    }

    .japanese-title {
        font-size: 1.5rem;
    }

    .korean-title {
        font-size: 1.1rem;
    }

    .intro-description {
        font-size: 0.95rem;
        margin-bottom: 30px;
    }

    .highlight-item {
        flex-direction: column;
        text-align: center;
        padding: 15px;
    }

    .highlight-icon {
        font-size: 1.8rem;
    }

    .distance-card {
        padding: 20px;
    }

    .route-info {
        gap: 15px;
    }

    .route-line {
        gap: 10px;
    }

    .from,
    .to {
        font-size: 1rem;
        padding: 6px 12px;
    }

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

    .duration {
        font-size: 1rem;
    }

    .travel-tips {
        padding: 20px;
    }

    .travel-tips h4 {
        font-size: 1rem;
    }

    .travel-tips li {
        font-size: 0.85rem;
    }

    .intro-stats {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .stat-item {
        padding: 20px 15px;
    }

    .stat-number {
        font-size: 1.8rem;
    }

    .stat-label {
        font-size: 0.85rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    /* Experience Section - Mobile */
    .experience {
        padding: 40px 0;
    }

    .experience-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .experience-item {
        padding: 25px 20px;
    }

    .experience-icon {
        font-size: 2.2rem;
        margin-bottom: 12px;
    }

    .experience-item h3 {
        font-size: 1.1rem;
    }

    .experience-item p {
        font-size: 0.85rem;
        margin-bottom: 15px;
    }

    .experience-highlights {
        gap: 8px;
    }

    .experience-highlights span {
        font-size: 0.7rem;
        padding: 4px 8px;
    }

    /* Transportation Section - Mobile */
    .transportation {
        padding: 40px 0;
    }

    .transport-intro h3 {
        font-size: 1.4rem;
    }

    .transport-intro p {
        font-size: 0.95rem;
    }

    .transport-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-bottom: 40px;
    }

    .transport-card {
        border-radius: 15px;
    }

    .transport-image {
        height: 150px;
    }

    .transport-info {
        padding: 20px;
    }

    .transport-info h4 {
        font-size: 1.1rem;
    }

    .transport-info p {
        font-size: 0.9rem;
    }

    .transport-features li {
        font-size: 0.8rem;
    }

    .transport-apps {
        padding: 25px 20px;
        margin-top: 40px;
    }

    .transport-apps h3 {
        font-size: 1.3rem;
        margin-bottom: 20px;
    }

    .app-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .app-item {
        padding: 15px;
    }

    .app-icon {
        width: 35px;
        height: 35px;
    }

    .app-info h4 {
        font-size: 1rem;
    }

    .app-info p {
        font-size: 0.8rem;
    }
}

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

.hero-content > * {
    /* animation: fadeInUp 0.8s ease-out forwards; */
}

.hero-title {
    animation-delay: 0.2s;
}

.hero-subtitle {
    animation-delay: 0.4s;
}

.hero-description {
    animation-delay: 0.6s;
}

/* Scroll Animations */
.nav-card {
    opacity: 0;
    transform: translateY(20px);
    /* animation: fadeInUp 0.6s ease-out forwards; */
}

.nav-card:nth-child(1) {
    animation-delay: 0.1s;
}
.nav-card:nth-child(2) {
    animation-delay: 0.2s;
}
.nav-card:nth-child(3) {
    animation-delay: 0.3s;
}
.nav-card:nth-child(4) {
    animation-delay: 0.4s;
}
.nav-card:nth-child(5) {
    animation-delay: 0.5s;
}
.nav-card:nth-child(6) {
    animation-delay: 0.6s;
}

/* Experience Section Animations */
.experience-item {
    opacity: 0;
    transform: translateY(30px);
    /* animation: fadeInUp 0.6s ease-out forwards; */
}

.experience-item:nth-child(1) {
    animation-delay: 0.1s;
}
.experience-item:nth-child(2) {
    animation-delay: 0.2s;
}
.experience-item:nth-child(3) {
    animation-delay: 0.3s;
}
.experience-item:nth-child(4) {
    animation-delay: 0.4s;
}
.experience-item:nth-child(5) {
    animation-delay: 0.5s;
}
.experience-item:nth-child(6) {
    animation-delay: 0.6s;
}

/* Transportation Section Animations */
.transport-card {
    opacity: 1;
    transform: translateY(0);
    /* animation: fadeInUp 0.6s ease-out forwards; */
}

.transport-card:nth-child(1) {
    animation-delay: 0.1s;
}
.transport-card:nth-child(2) {
    animation-delay: 0.2s;
}
.transport-card:nth-child(3) {
    animation-delay: 0.3s;
}

.app-item {
    opacity: 1;
    transform: translateX(0);
    /* animation: fadeInRight 0.5s ease-out forwards; */
}

.app-item:nth-child(1) {
    animation-delay: 0.1s;
}
.app-item:nth-child(2) {
    animation-delay: 0.2s;
}
.app-item:nth-child(3) {
    animation-delay: 0.3s;
}
.app-item:nth-child(4) {
    animation-delay: 0.4s;
}

/* Additional Animation Keyframes */
@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}