:root {
    --primary: #8b5cf6;
    --primary-dark: #7c3aed;
    --primary-light: #a78bfa;
    --secondary: #3b82f6;
    --accent: #06b6d4;
    --success: #10b981;
    --dark: #0f172a;
    --dark-2: #1e293b;
    --dark-3: #334155;
    --text: #f8fafc;
    --text-2: #cbd5e1;
    --text-3: #94a3b8;
    --border: rgba(255,255,255,0.1);
    --radius: 12px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--dark);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: 1px;
}

.navbar-logo i {
    color: var(--primary);
    font-size: 28px;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 18px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-3);
    border-radius: 8px;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text);
    background: rgba(139, 92, 246, 0.1);
}

.nav-link.active {
    color: var(--primary-light);
}

.nav-btn {
    padding: 10px 24px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    border-radius: 8px;
    transition: var(--transition);
    margin-left: 12px;
}

.nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.35);
}

.navbar-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text);
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
}

/* Hero */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 50% -20%, rgba(139, 92, 246, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse 50% 40% at 20% 70%, rgba(6, 182, 212, 0.08) 0%, transparent 50%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 80px 0;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    color: var(--primary-light);
    font-size: 13px;
    font-weight: 600;
    border-radius: 100px;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
}

.hero-title {
    font-size: clamp(36px, 7vw, 64px);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #f8fafc 0%, #a78bfa 50%, #60a5fa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--text-3);
    max-width: 650px;
    margin: 0 auto 36px;
    font-weight: 400;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 64px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius);
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(139, 92, 246, 0.35);
}

.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1.5px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--primary);
    background: rgba(139, 92, 246, 0.1);
    transform: translateY(-3px);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 17px;
}

.hero-stats {
    display: flex;
    gap: 48px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-stat {
    text-align: center;
}

.hero-stat-num {
    display: block;
    font-size: 40px;
    font-weight: 800;
    color: var(--text);
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-stat-label {
    font-size: 14px;
    color: var(--text-3);
    font-weight: 500;
    margin-top: 4px;
}

/* Sections */
.section {
    padding: 100px 0;
}

.section-dark {
    background: linear-gradient(180deg, var(--dark) 0%, var(--dark-2) 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    color: var(--primary-light);
    font-size: 12px;
    font-weight: 600;
    border-radius: 100px;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-desc {
    font-size: 18px;
    color: var(--text-3);
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.7;
}

/* About */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.about-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--border);
    padding: 32px;
    border-radius: var(--radius);
    transition: var(--transition);
}

.about-card:hover {
    border-color: rgba(139, 92, 246, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.about-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 14px;
    margin-bottom: 20px;
    font-size: 24px;
    color: var(--primary-light);
}

.about-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.about-card p {
    color: var(--text-3);
    font-size: 15px;
    line-height: 1.7;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
}

.service-card {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px;
    transition: var(--transition);
}

.service-card:hover {
    border-color: rgba(139, 92, 246, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.service-icon {
    font-size: 32px;
    color: var(--primary-light);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.service-card > p {
    color: var(--text-3);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 20px;
}

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

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-2);
    margin-bottom: 8px;
}

.service-features li i {
    color: var(--success);
    font-size: 12px;
}

/* Features grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-item-card {
    text-align: center;
    padding: 32px 24px;
    border-radius: var(--radius);
    transition: var(--transition);
}

.feature-item-card:hover {
    background: rgba(30, 41, 59, 0.4);
}

.feature-item-icon {
    font-size: 36px;
    color: var(--primary-light);
    margin-bottom: 16px;
    display: inline-block;
}

.feature-item-card h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

.feature-item-card p {
    color: var(--text-3);
    font-size: 14px;
    line-height: 1.7;
}

/* CTA */
.cta-section {
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-content p {
    color: var(--text-3);
    font-size: 18px;
    margin-bottom: 32px;
    line-height: 1.7;
}

/* Footer */
.footer {
    background: var(--dark-2);
    border-top: 1px solid var(--border);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 16px;
}

.footer-logo i {
    color: var(--primary);
}

.footer-brand p {
    color: var(--text-3);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 24px;
    max-width: 320px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    border-radius: 10px;
    color: var(--text-3);
    transition: var(--transition);
}

.footer-social a:hover {
    background: rgba(139, 92, 246, 0.15);
    border-color: var(--primary);
    color: var(--primary-light);
    transform: translateY(-2px);
}

.footer-col h4 {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-2);
    margin-bottom: 20px;
}

.footer-col a {
    display: block;
    font-size: 14px;
    color: var(--text-3);
    margin-bottom: 12px;
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--primary-light);
    padding-left: 4px;
}

.footer-col p {
    font-size: 14px;
    color: var(--text-3);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-col p i {
    color: var(--primary-light);
    width: 16px;
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-3);
    font-size: 13px;
}

/* Page Header */
.page-header {
    padding: 140px 0 60px;
    text-align: center;
    position: relative;
}

.page-header-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 80% 50% at 50% 30%, rgba(139, 92, 246, 0.1) 0%, transparent 60%);
}

.page-header .container {
    position: relative;
    z-index: 1;
}

.page-header h1 {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 900;
    margin-bottom: 12px;
}

.page-header p {
    color: var(--text-3);
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto;
}

/* About Page */
.mission-vision-values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 80px;
}

.mvv-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px;
    text-align: center;
    transition: var(--transition);
}

.mvv-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.mvv-icon {
    font-size: 36px;
    color: var(--primary-light);
    margin-bottom: 16px;
}

.mvv-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
}

.mvv-card p {
    color: var(--text-3);
    font-size: 15px;
    line-height: 1.7;
}

.timeline {
    position: relative;
    padding-left: 32px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
    padding-left: 24px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -28px;
    top: 6px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--primary);
    border: 3px solid var(--dark);
    box-shadow: 0 0 0 2px var(--primary);
}

.timeline-year {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary-light);
    margin-bottom: 4px;
}

.timeline-item h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 6px;
}

.timeline-item p {
    color: var(--text-3);
    font-size: 14px;
    line-height: 1.7;
}

/* Contact Page */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.contact-info-cards {
    display: grid;
    gap: 16px;
    margin-bottom: 32px;
}

.contact-info-card {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}

.contact-info-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-radius: 12px;
    font-size: 20px;
    color: var(--primary-light);
    flex-shrink: 0;
}

.contact-info-card h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px;
}

.contact-info-card p {
    color: var(--text-3);
    font-size: 14px;
}

.contact-form {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-2);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    padding: 14px 16px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 14px;
    font-family: inherit;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.form-success {
    display: none;
    text-align: center;
    padding: 60px 20px;
}

.form-success .btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.form-success i {
    font-size: 56px;
    color: var(--success);
    margin-bottom: 16px;
}

.form-success h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.form-success p {
    color: var(--text-3);
}

/* Responsive */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .navbar-toggle {
        display: block;
    }

    .navbar-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px;
        gap: 8px;
        border-bottom: 1px solid var(--border);
        transform: translateY(-120%);
        opacity: 0;
        transition: var(--transition);
        pointer-events: none;
    }

    .navbar-menu.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-link {
        width: 100%;
        text-align: center;
        padding: 12px;
    }

    .nav-btn {
        width: 100%;
        text-align: center;
        margin-left: 0;
    }

    .hero-stats {
        gap: 24px;
    }

    .hero-stat-num {
        font-size: 32px;
    }

    .services-grid,
    .about-grid {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 60px 0;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

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

    .contact-form {
        padding: 24px;
    }
}

/* Language switcher dropdown */
.lang-wrap { position: relative; display: flex; align-items: center; margin-left: 12px; }
.lang-toggle { background: none; border: 1px solid var(--border); color: var(--text-3); width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; border-radius: 8px; cursor: pointer; transition: var(--transition); font-size: 16px; }
.lang-toggle:hover { color: var(--text); border-color: rgba(139,92,246,0.4); background: rgba(139,92,246,0.08); }
.lang-dropdown { position: absolute; top: calc(100% + 8px); right: 0; background: var(--dark-2); border: 1px solid var(--border); border-radius: 10px; padding: 6px; min-width: 100px; opacity: 0; visibility: hidden; transform: translateY(-6px); transition: all 0.2s ease; z-index: 100; box-shadow: 0 12px 40px rgba(0,0,0,0.4); }
.lang-dropdown.open { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-dropdown button { display: flex; align-items: center; gap: 8px; width: 100%; padding: 8px 14px; background: none; border: none; color: var(--text-3); font-size: 13px; font-weight: 500; cursor: pointer; border-radius: 6px; transition: var(--transition); font-family: inherit; text-align: left; }
.lang-dropdown button:hover { background: rgba(139,92,246,0.1); color: var(--text); }
.lang-dropdown button.active { color: var(--primary-light); background: rgba(139,92,246,0.12); font-weight: 600; }
.lang-dropdown button .flag { font-size: 16px; }
@media (max-width: 768px) { .lang-wrap { margin-left: auto; } }

/* Scroll animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}