/* ===== Reset & Base ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg: #0a0a0f;
    --bg-secondary: #0f0f18;
    --bg-card: #12121d;
    --bg-card-hover: #181828;
    --border: #1a1a2e;
    --border-light: #252540;
    --text: #e0e0e8;
    --text-dim: #6a6a8a;
    --text-muted: #4a4a65;
    --accent: #00e676;
    --accent-dim: #00c853;
    --accent-glow: rgba(0, 230, 118, 0.15);
    --red: #ff5f56;
    --yellow: #ffbd2e;
    --green: #27c93f;
    --terminal-bg: #0c0c14;
    --terminal-text: #c8c8d8;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition);
}

img {
    max-width: 100%;
    display: block;
}

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

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: 2px;
    color: var(--text);
}

.nav-logo img {
    height: 36px;
    width: 36px;
    object-fit: contain;
}

/* Flag Banner */
/* (removed) */

.nav-links {
    list-style: none;
    display: flex;
    gap: 32px;
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-dim);
    position: relative;
    padding: 4px 0;
    transition: color var(--transition);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: width var(--transition);
}

.nav-links a:hover {
    color: var(--text);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    transition: all var(--transition);
    border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Hero ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 230, 118, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 230, 118, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%);
    pointer-events: none;
    opacity: 0.5;
}

.hero-content {
    max-width: 800px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-logo-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 36px;
    animation: fadeInDown 0.8s ease forwards;
}

.hero-logo-glow {
    position: absolute;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: radial-gradient(
        circle,
        rgba(255, 255, 255, 0.9) 0%,
        rgba(255, 255, 255, 0.5) 25%,
        rgba(255, 255, 255, 0.15) 50%,
        rgba(255, 255, 255, 0) 70%
    );
    filter: blur(10px);
    pointer-events: none;
    animation: glowPulse 4s ease-in-out infinite;
}

.hero-logo-main {
    position: relative;
    width: 280px;
    height: 280px;
    object-fit: contain;
    z-index: 1;
    filter: drop-shadow(0 0 30px rgba(255, 255, 255, 0.3));
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.8; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.06); }
}

.hero-title {
    font-size: clamp(2.8rem, 7vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-line {
    display: block;
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
}

.hero-line:nth-child(1) { animation-delay: 0.2s; }
.hero-line:nth-child(2) { animation-delay: 0.4s; }

.hero-line.accent {
    background: linear-gradient(135deg, var(--accent) 0%, #00b8d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.05rem;
    color: var(--text-dim);
    max-width: 580px;
    margin: 0 auto 40px;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease 0.6s forwards;
    opacity: 0;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 60px;
    animation: fadeInUp 0.8s ease 0.8s forwards;
    opacity: 0;
}

.btn {
    padding: 14px 32px;
    border-radius: 100px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition);
    border: none;
    font-family: var(--font-body);
}

.btn-primary {
    background: var(--accent);
    color: var(--bg);
}

.btn-primary:hover {
    background: var(--accent-dim);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 230, 118, 0.25);
}

.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border-light);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

/* Terminal Widget */
.terminal-widget {
    background: var(--terminal-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    text-align: left;
    animation: fadeInUp 1s ease 1s forwards;
    opacity: 0;
    max-width: 600px;
    margin: 0 auto;
}

.terminal-widget.large {
    max-width: 700px;
    animation: none;
    opacity: 1;
}

.terminal-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border);
}

.terminal-dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot.red { background: var(--red); }
.dot.yellow { background: var(--yellow); }
.dot.green { background: var(--green); }

.terminal-title {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
}

.terminal-body {
    padding: 16px 20px;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.8;
    min-height: 100px;
}

.terminal-line .prompt {
    color: var(--accent);
}

.terminal-line .cmd {
    color: var(--terminal-text);
}

.terminal-line.output {
    color: var(--terminal-text);
}

.out-green {
    color: var(--accent);
}

.out-dim {
    color: var(--text-muted);
}

.typed-text {
    color: var(--terminal-text);
}

.cursor {
    color: var(--accent);
    animation: blink 1s step-end infinite;
}

.cursor-static {
    color: var(--accent);
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--accent), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(1); }
    50% { opacity: 1; transform: scaleY(1.2); }
}

/* ===== Sections ===== */
.section {
    padding: 120px 0;
    position: relative;
}

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

.section-tag {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--accent);
    display: block;
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    letter-spacing: -0.5px;
}

/* ===== About ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.about-text p {
    color: var(--text-dim);
    margin-bottom: 20px;
    font-size: 0.95rem;
    line-height: 1.8;
}

.about-text strong {
    color: var(--text);
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.stat-card {
    padding: 32px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-align: center;
    transition: all var(--transition);
}

.stat-card:hover {
    border-color: rgba(0, 230, 118, 0.3);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 4px;
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ===== Activities ===== */
.activities {
    background: var(--bg-secondary);
}

.activities-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.activity-card {
    padding: 40px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.activity-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}

.activity-card:hover {
    border-color: rgba(0, 230, 118, 0.2);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
}

.activity-card:hover::before {
    opacity: 1;
}

.activity-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--accent);
}

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

.activity-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.activity-card p {
    color: var(--text-dim);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.activity-terminal {
    padding: 10px 14px;
    background: var(--terminal-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent);
    overflow-x: auto;
}

/* ===== Programs ===== */
.programs-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 64px;
}

.program-card {
    padding: 40px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all var(--transition);
    position: relative;
}

.program-card:hover {
    border-color: rgba(0, 230, 118, 0.2);
    transform: translateY(-4px);
}

.program-badge {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0, 230, 118, 0.08);
    border: 1px solid rgba(0, 230, 118, 0.15);
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.5px;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.program-card h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.program-card p {
    color: var(--text-dim);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 24px;
}

.program-detail {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.program-detail span {
    padding: 4px 10px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 0.72rem;
    color: var(--text-muted);
}

.terminal-section {
    margin-top: 20px;
}

/* ===== Team ===== */
.team {
    background: var(--bg-secondary);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.team-card {
    text-align: center;
    padding: 40px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: all var(--transition);
}

.team-card:hover {
    border-color: rgba(0, 230, 118, 0.2);
    transform: translateY(-4px);
}

.team-avatar {
    margin-bottom: 20px;
}

.avatar-placeholder {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(0, 230, 118, 0.1), rgba(0, 184, 212, 0.1));
    border: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--accent);
    letter-spacing: 1px;
}

.team-card h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.team-role {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ===== Contact ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 36px;
}

.contact-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 230, 118, 0.06);
    border: 1px solid rgba(0, 230, 118, 0.12);
    border-radius: var(--radius-sm);
    color: var(--accent);
}

.contact-icon svg {
    width: 20px;
    height: 20px;
}

.contact-item h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 0.85rem;
    color: var(--text-dim);
    line-height: 1.7;
}

.contact-item a {
    color: var(--accent);
    transition: color var(--transition);
}

.contact-item a:hover {
    color: var(--accent-dim);
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    font-size: 0.85rem;
    color: var(--text-dim);
    padding: 6px 14px;
    border: 1px solid var(--border);
    border-radius: 100px;
    transition: all var(--transition);
}

.social-links a:hover {
    color: var(--accent);
    border-color: var(--accent);
}

/* ===== Footer ===== */
.footer {
    padding: 48px 0;
    border-top: 1px solid var(--border);
    background: var(--bg);
}

.footer-content {
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 16px;
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 2px;
}

.footer-logo {
    height: 32px;
    width: 32px;
    object-fit: contain;
}

.footer-text p {
    font-size: 0.85rem;
    color: var(--text-dim);
}

.footer-sub {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.footer-bottom {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.footer-bottom span {
    font-size: 0.78rem;
    color: var(--text-muted);
}

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Reveal on scroll */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

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

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

    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--bg-secondary);
        border-left: 1px solid var(--border);
        flex-direction: column;
        padding: 80px 32px;
        gap: 24px;
        transition: right var(--transition);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 100px 20px 60px;
    }

    .hero-title {
        font-size: clamp(2.2rem, 8vw, 3.5rem);
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 260px;
        justify-content: center;
    }

    .section {
        padding: 80px 0;
    }

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

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

    .terminal-widget {
        max-width: 100%;
    }

    .terminal-body {
        font-size: 0.7rem;
        padding: 12px 14px;
    }
}

@media (max-width: 480px) {
    .about-stats {
        grid-template-columns: 1fr;
    }

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

    .contact-item {
        flex-direction: column;
        gap: 12px;
    }

    .social-links {
        flex-direction: column;
    }
}

/* ===== Selection ===== */
::selection {
    background: rgba(0, 230, 118, 0.2);
    color: var(--text);
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 3px;
}

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