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

:root {
    --primary-color: #6366F1;
    --secondary-color: #00D4FF;
    --accent-color: #FF6B9D;
    --bg-dark: #0F0F23;
    --bg-card: #1E1E3F;
    --bg-light: #2A2A4E;
    --text-light: #FFFFFF;
    --text-muted: #C7D2FE;
    --text-accent: #00D4FF;
    --gradient-primary: linear-gradient(135deg, #6366F1, #00D4FF);
    --gradient-secondary: linear-gradient(135deg, #00D4FF, #6366F1);
    --gradient-accent: linear-gradient(135deg, #FF6B9D, #FBBF24);
    --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.3);
    --shadow-card: 0 20px 50px rgba(0, 0, 0, 0.25);
    --shadow-bright: 0 0 60px rgba(99, 102, 241, 0.4);
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    background: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(25px);
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
}



.nav-logo span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a:hover {
    color: var(--secondary-color);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: var(--secondary-color);
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

/* Language Selector */
.language-selector {
    position: relative;
}

#language-select {
    background: var(--bg-light);
    border: 2px solid var(--secondary-color);
    border-radius: 30px;
    color: var(--text-light);
    padding: 0.6rem 1.2rem 0.6rem 3rem;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    outline: none;
    transition: all 0.3s ease;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-repeat: no-repeat, no-repeat;
    background-position: left 0.7rem center, right 0.7rem center;
    background-size: 20px 15px, 1em;
    padding-right: 2.8rem;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.1);
    min-width: 140px;
}

#language-select[data-current="ko"] {
    background-image: 
        url("https://flagcdn.com/w20/kr.png"),
        url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300D4FF' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
}

#language-select[data-current="en"] {
    background-image: 
        url("https://flagcdn.com/w20/us.png"),
        url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300D4FF' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
}

#language-select[data-current="km"] {
    background-image: 
        url("https://flagcdn.com/w20/kh.png"),
        url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300D4FF' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
}

#language-select[data-current="zh"] {
    background-image: 
        url("https://flagcdn.com/w20/cn.png"),
        url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300D4FF' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
}

#language-select[data-current="ja"] {
    background-image: 
        url("https://flagcdn.com/w20/jp.png"),
        url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300D4FF' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
}

#language-select[data-current="ru"] {
    background-image: 
        url("https://flagcdn.com/w20/ru.png"),
        url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300D4FF' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
}

/* 드롭다운 전체 스타일링 */
#language-select {
    background-color: var(--bg-light);
}

/* 옵션들에 국기 이미지 추가 */
#language-select option {
    background-color: var(--bg-card);
    color: var(--text-light);
    padding: 0.8rem 0.5rem 0.8rem 3rem;
    background-repeat: no-repeat;
    background-position: left 0.8rem center;
    background-size: 18px 14px;
    font-size: 0.9rem;
    border: none;
    line-height: 1.5;
}

#language-select option[data-flag="kr"] {
    background-image: url("https://flagcdn.com/w20/kr.png");
}

#language-select option[data-flag="us"] {
    background-image: url("https://flagcdn.com/w20/us.png");
}

#language-select option[data-flag="kh"] {
    background-image: url("https://flagcdn.com/w20/kh.png");
}

#language-select option[data-flag="cn"] {
    background-image: url("https://flagcdn.com/w20/cn.png");
}

#language-select option[data-flag="jp"] {
    background-image: url("https://flagcdn.com/w20/jp.png");
}

#language-select option[data-flag="ru"] {
    background-image: url("https://flagcdn.com/w20/ru.png");
}

/* 호버 효과 */
#language-select option:hover {
    background-color: var(--bg-light);
    color: var(--secondary-color);
}

/* 선택된 옵션 스타일 */
#language-select option:checked {
    background-color: var(--primary-color);
    color: white;
}

#language-select:hover {
    border-color: var(--accent-color);
    box-shadow: 0 0 15px rgba(68, 215, 168, 0.3);
}

#language-select:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 20px rgba(68, 215, 168, 0.5);
}

#language-select option {
    background: var(--bg-card);
    color: var(--text-light);
    padding: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-menu {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
    
    .language-selector {
        order: 3;
        width: 100%;
        display: flex;
        justify-content: center;
    }
    
    #language-select {
        width: 150px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .vision-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

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

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 30% 20%, rgba(99, 102, 241, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 70% 80%, rgba(0, 212, 255, 0.2) 0%, transparent 50%),
        radial-gradient(circle at center, var(--bg-dark) 0%, #000 100%);
}

.floating-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(3px 3px at 20px 30px, var(--secondary-color), transparent),
        radial-gradient(2px 2px at 40px 70px, var(--accent-color), transparent),
        radial-gradient(1px 1px at 90px 40px, #FBBF24, transparent),
        radial-gradient(2px 2px at 60px 20px, var(--primary-color), transparent);
    background-repeat: repeat;
    background-size: 120px 120px;
    animation: float 25s infinite linear;
    opacity: 0.6;
}

.agarwood-trees {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 40%;
    background: linear-gradient(to top, var(--bg-dark) 0%, transparent 100%);
}

.agarwood-trees::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 10%;
    width: 80px;
    height: 200px;
    background: linear-gradient(to top, #2D5A27, #4A7C59);
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    opacity: 0.6;
    animation: sway 6s ease-in-out infinite;
}

.agarwood-trees::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 15%;
    width: 60px;
    height: 150px;
    background: linear-gradient(to top, #2D5A27, #4A7C59);
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    opacity: 0.4;
    animation: sway 8s ease-in-out infinite reverse;
}

@keyframes float {
    0% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
    100% { transform: translateY(0px) rotate(360deg); }
}

@keyframes sway {
    0%, 100% { transform: rotate(-2deg); }
    50% { transform: rotate(2deg); }
}

.hero-content {
    text-align: center;
    z-index: 2;
    max-width: 800px;
    padding: 0 2rem;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.2s both;
}

.cta-button {
    background: var(--gradient-primary);
    border: 2px solid transparent;
    padding: 1.2rem 2.5rem;
    border-radius: 60px;
    color: white;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.4s ease;
    box-shadow: var(--shadow-bright);
    animation: fadeInUp 1s ease 0.4s both;
    position: relative;
    overflow: hidden;
}

.cta-button:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 25px 60px rgba(99, 102, 241, 0.4);
    border-color: var(--secondary-color);
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

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

.cta-button i {
    margin-right: 0.5rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border: 2px solid var(--secondary-color);
    border-top: none;
    border-right: none;
    transform: rotate(-45deg);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0) rotate(-45deg); }
    40% { transform: translateY(-10px) rotate(-45deg); }
    60% { transform: translateY(-5px) rotate(-45deg); }
}

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Section Titles */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Vision Section */
.vision-section {
    padding: 6rem 0;
    background: 
        linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-card) 50%, var(--bg-light) 100%);
    position: relative;
}

.vision-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.1) 0%, transparent 70%),
        radial-gradient(circle at 80% 30%, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.vision-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: center;
}

.vision-text p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-muted);
}

.floating-card {
    background: var(--gradient-primary);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-card);
    animation: float 6s ease-in-out infinite;
}

.floating-card i {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.floating-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

/* Tech Section */
.tech-section {
    padding: 6rem 0;
    background: var(--bg-dark);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.tech-card {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 25px;
    text-align: center;
    transition: all 0.4s ease;
    border: 2px solid rgba(0, 212, 255, 0.2);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: -1;
}

.tech-card:hover::before {
    left: 0;
    opacity: 0.1;
}

.tech-card:hover {
    transform: translateY(-15px) scale(1.02);
    border-color: var(--secondary-color);
    box-shadow: 
        var(--shadow-bright),
        0 0 100px rgba(0, 212, 255, 0.2);
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-light) 100%);
}

.tech-icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.tech-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.tech-card p {
    color: var(--text-muted);
    line-height: 1.6;
}

/* Features Section */
.features-section {
    padding: 6rem 0;
    background: 
        linear-gradient(45deg, var(--bg-card) 0%, var(--bg-light) 50%, var(--bg-card) 100%);
    position: relative;
}

.features-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 70% 20%, rgba(255, 107, 157, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 30% 80%, rgba(251, 191, 36, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-dark);
    padding: 2.5rem;
    border-radius: 20px;
    text-align: center;
    transition: all 0.4s ease;
    border: 2px solid rgba(0, 212, 255, 0.3);
    backdrop-filter: blur(15px);
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card);
    border-color: var(--secondary-color);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Use Cases Section */
.usecases-section {
    padding: 6rem 0;
    background: var(--bg-dark);
}

.usecases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.usecase-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.usecase-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.usecase-card:hover::after {
    transform: scaleX(1);
}

.usecase-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card);
}

.usecase-card i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.usecase-card h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.usecase-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Roadmap Section */
.roadmap-section {
    padding: 6rem 0;
    background: 
        linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-card) 50%, var(--bg-light) 100%);
    position: relative;
}

.roadmap-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at center, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.roadmap-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.roadmap-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.timeline-item:nth-child(odd) .timeline-content {
    text-align: right;
    margin-right: 2rem;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: 2rem;
}

.timeline-year {
    background: var(--gradient-primary);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    min-width: 100px;
    text-align: center;
    position: relative;
    z-index: 2;
}

.timeline-content {
    flex: 1;
    background: var(--bg-dark);
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-card);
}

.timeline-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.timeline-content p {
    color: var(--text-muted);
}

/* Join Section */
.join-section {
    padding: 6rem 0;
    background: var(--bg-dark);
    text-align: center;
}

.join-content {
    margin-bottom: 3rem;
}

.join-form {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

#email-input {
    padding: 1rem 1.5rem;
    border: 2px solid var(--bg-card);
    border-radius: 50px;
    background: var(--bg-card);
    color: var(--text-light);
    font-size: 1rem;
    min-width: 300px;
    transition: all 0.3s ease;
}

#email-input:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 20px rgba(68, 215, 168, 0.3);
}

.join-button {
    background: var(--gradient-accent);
    border: 2px solid transparent;
    padding: 1.2rem 2.5rem;
    border-radius: 60px;
    color: white;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.4s ease;
    box-shadow: 0 10px 30px rgba(255, 107, 157, 0.3);
    position: relative;
    overflow: hidden;
}

.join-button:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 20px 50px rgba(255, 107, 157, 0.4);
    border-color: var(--secondary-color);
}

.join-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.join-button:hover::before {
    left: 100%;
}

.join-button i {
    margin-right: 0.5rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--bg-card);
    border-radius: 50%;
    color: var(--text-light);
    font-size: 1.5rem;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(68, 215, 168, 0.3);
}

.teaser-video {
    margin-top: 3rem;
}

.video-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    aspect-ratio: 16 / 9;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border: 2px solid var(--secondary-color);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* Footer */
.footer {
    background: var(--bg-card);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid rgba(68, 215, 168, 0.2);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
}



.footer-logo span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .vision-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .nav-menu {
        display: none;
    }
    
    .timeline-item {
        flex-direction: column !important;
        text-align: center;
    }
    
    .timeline-item .timeline-content {
        margin: 1rem 0 0 0 !important;
        text-align: center !important;
    }
    
    .join-form {
        flex-direction: column;
        align-items: stretch;
    }
    
    #email-input {
        min-width: auto;
        width: 100%;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}