@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700;900&display=swap');

/* ===========================
   DESIGN TOKENS
   =========================== */
:root {
    --bg-color: #0a0a0a;
    --bg-secondary: #0f0f0f;
    --primary-text: #e0e0e0;
    --secondary-text: #a0a0a0;
    --accent: #00ffff;
    --accent-dim: rgba(0,255,255,0.12);
    --accent-hover: #00e0e0;
    --card-bg: #141414;
    --card-border: #222;
    --font: 'Inter', sans-serif;
    --radius: 8px;
    --transition: 0.3s ease;
}

/* ===========================
   RESET & BASE
   =========================== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font);
    background-color: var(--bg-color);
    color: var(--primary-text);
    line-height: 1.7;
    overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ===========================
   TYPOGRAPHY
   =========================== */
h1 { font-size: clamp(2.2em, 5vw, 3.8em); font-weight: 900; line-height: 1.15; }
h2 { font-size: clamp(1.8em, 3.5vw, 2.8em); font-weight: 700; }
h3 { font-size: 1.3em; font-weight: 600; }
p  { font-size: 1.05em; color: var(--secondary-text); line-height: 1.8; }

.accent-text { color: var(--accent); }

.gradient-text {
    background: linear-gradient(135deg, #00ffff 0%, #00a8ff 50%, #7b00ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===========================
   LAYOUT
   =========================== */
.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 80px 20px;
}
.container-sm { max-width: 800px; margin: 0 auto; }
.section-center { text-align: center; }

/* ===========================
   HEADER / NAV
   =========================== */
header {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    padding: 18px 5%;
    background: rgba(10,10,10,0.85);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #1e1e1e;
    transition: padding var(--transition);
}

.logo {
    font-size: 1.7em;
    font-weight: 900;
    letter-spacing: -0.5px;
}
.logo span { color: var(--accent); }

nav ul { list-style: none; display: flex; gap: 0; }
nav ul li a {
    display: block;
    padding: 6px 18px;
    font-weight: 600;
    font-size: 0.92em;
    color: var(--secondary-text);
    border-radius: 4px;
    transition: color var(--transition), background var(--transition);
    letter-spacing: 0.3px;
}
nav ul li a:hover,
nav ul li a.active { color: var(--accent); }

.nav-cta {
    background: var(--accent) !important;
    color: var(--bg-color) !important;
    padding: 8px 20px !important;
    border-radius: 5px !important;
    font-weight: 700 !important;
    margin-left: 8px;
    transition: background var(--transition), transform var(--transition) !important;
}
.nav-cta:hover { background: var(--accent-hover) !important; transform: translateY(-2px) !important; }

.menu-toggle {
    display: none;
    font-size: 1.5em;
    color: var(--primary-text);
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
}

/* ===========================
   PAGE HERO BANNER (inner pages)
   =========================== */
.page-hero {
    min-height: 44vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding-top: 100px;
    position: relative;
    overflow: hidden;
}
.page-hero::before {
    content: '';
    position: absolute;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(0,255,255,0.07) 0%, transparent 65%);
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}
.page-hero h1 { margin-bottom: 18px; }
.page-hero p { font-size: 1.15em; max-width: 600px; }

.breadcrumb {
    font-size: 0.82em;
    color: var(--secondary-text);
    margin-bottom: 18px;
    letter-spacing: 0.5px;
}
.breadcrumb a { color: var(--accent); }
.breadcrumb a:hover { text-decoration: underline; }

/* ===========================
   SECTION TITLES
   =========================== */
.section-title {
    position: relative;
    padding-bottom: 16px;
    margin-bottom: 60px;
}
.section-title::after {
    content: '';
    position: absolute;
    bottom: 0; left: 50%;
    transform: translateX(-50%);
    width: 60px; height: 3px;
    background: var(--accent);
    border-radius: 2px;
}
.section-title.left::after { left: 0; transform: none; }

/* ===========================
   BUTTONS
   =========================== */
.btn {
    display: inline-block;
    padding: 13px 32px;
    font-family: var(--font);
    font-weight: 700;
    font-size: 0.97em;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
    border: none;
    letter-spacing: 0.3px;
}
.btn-primary {
    background: var(--accent);
    color: var(--bg-color);
}
.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,255,255,0.2);
}
.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
}
.btn-outline:hover {
    background: var(--accent);
    color: var(--bg-color);
    transform: translateY(-3px);
}
.btn-lg { padding: 16px 42px; font-size: 1.05em; }

/* ===========================
   CARDS
   =========================== */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 32px;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0,255,255,0.08);
    border-color: rgba(0,255,255,0.3);
}
.card h3 { color: var(--accent); margin-bottom: 12px; }
.card p { font-size: 0.97em; }

.card-icon {
    width: 48px; height: 48px;
    background: var(--accent-dim);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.4em;
}

/* ===========================
   GRID SYSTEMS
   =========================== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ===========================
   DIVIDER
   =========================== */
.section-divider {
    border: none;
    border-top: 1px solid #1a1a1a;
    margin: 0;
}

/* ===========================
   BACKGROUND PATTERNS
   =========================== */
.bg-glow {
    position: relative;
    overflow: hidden;
}
.bg-glow::before {
    content: '';
    position: absolute;
    width: 800px; height: 800px;
    background: radial-gradient(circle, rgba(0,255,255,0.05) 0%, transparent 60%);
    top: -200px; right: -200px;
    pointer-events: none;
}

.bg-grid {
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
}

.section-alt { background-color: var(--bg-secondary); }

/* ===========================
   PILL / BADGE
   =========================== */
.badge {
    display: inline-block;
    background: var(--accent-dim);
    color: var(--accent);
    border: 1px solid rgba(0,255,255,0.25);
    border-radius: 100px;
    padding: 5px 14px;
    font-size: 0.78em;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

/* ===========================
   STAT BLOCKS
   =========================== */
.stat-number {
    font-size: 3em;
    font-weight: 900;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 8px;
}
.stat-label {
    font-size: 0.9em;
    color: var(--secondary-text);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===========================
   FOOTER
   =========================== */
footer {
    background: var(--bg-secondary);
    border-top: 1px solid #1a1a1a;
    padding: 60px 5% 30px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}
.footer-brand .logo { display: inline-block; margin-bottom: 16px; }
.footer-brand p { font-size: 0.9em; max-width: 280px; }
.footer-col h4 {
    font-size: 0.8em;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--primary-text);
    margin-bottom: 18px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a {
    font-size: 0.9em;
    color: var(--secondary-text);
    transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--accent); }
.footer-bottom {
    border-top: 1px solid #1e1e1e;
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}
.footer-bottom p { font-size: 0.85em; }

/* ===========================
   SCROLL REVEAL
   =========================== */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.75s ease-out, transform 0.75s ease-out;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ===========================
   FORM ELEMENTS
   =========================== */
.form-group { margin-bottom: 22px; }
.form-group label {
    display: block;
    font-size: 0.88em;
    font-weight: 600;
    color: var(--primary-text);
    margin-bottom: 8px;
    letter-spacing: 0.3px;
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 13px 16px;
    color: var(--primary-text);
    font-family: var(--font);
    font-size: 0.97em;
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0,255,255,0.1);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* ===========================
   TIMELINE
   =========================== */
.timeline {
    position: relative;
    padding-left: 32px;
    border-left: 2px solid #222;
    margin-top: 40px;
}
.timeline-item {
    position: relative;
    padding-bottom: 44px;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
    position: absolute;
    left: -40px;
    top: 4px;
    width: 16px; height: 16px;
    background: var(--accent);
    border-radius: 50%;
    box-shadow: 0 0 12px rgba(0,255,255,0.5);
}
.timeline-year {
    font-size: 0.78em;
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
}
.timeline-item h3 { color: var(--primary-text); margin-bottom: 8px; }

/* ===========================
   TAG CLOUD
   =========================== */
.tag-group { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.tag {
    background: #1a1a1a;
    border: 1px solid #2a2a2a;
    color: var(--secondary-text);
    border-radius: 4px;
    padding: 6px 14px;
    font-size: 0.82em;
    font-weight: 600;
    transition: border-color var(--transition), color var(--transition);
}
.tag:hover { border-color: var(--accent); color: var(--accent); }

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 960px) {
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .container { padding: 60px 16px; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }

    nav ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 62px; left: 0;
        width: 100%;
        background: rgba(10,10,10,0.97);
        padding: 16px 0 24px;
        border-bottom: 1px solid #1e1e1e;
    }
    nav ul.active { display: flex; }
    nav ul li a { padding: 12px 24px; }
    .nav-cta { margin: 8px 24px 0; text-align: center; }
    .menu-toggle { display: block; }

    .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
    h1 { font-size: 1.9em; }
    .stat-number { font-size: 2.2em; }
}