:root {
    --bg: #060914;
    --bg-soft: #0a1020;
    --surface: #0d1426;
    --surface-2: #111a31;
    --border: rgba(120, 160, 220, 0.12);
    --border-strong: rgba(120, 160, 220, 0.22);

    --text: #e6ecf5;
    --text-muted: #94a3b8;
    --text-faint: #64748b;

    --cyan: #22d3ee;
    --cyan-glow: rgba(34, 211, 238, 0.45);
    --violet: #8b5cf6;
    --violet-glow: rgba(139, 92, 246, 0.45);
    --green: #4ade80;
    --amber: #fbbf24;

    --grad: linear-gradient(135deg, #22d3ee 0%, #8b5cf6 100%);
    --grad-soft: linear-gradient(135deg, rgba(34, 211, 238, 0.18), rgba(139, 92, 246, 0.18));

    --radius: 12px;
    --radius-lg: 18px;
    --max-w: 1200px;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-display: 'Space Grotesk', var(--font-sans);
    --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.65;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 28px;
    position: relative;
    z-index: 1;
}

/* ===== Background layer ===== */
.bg-layer {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
    background:
        radial-gradient(ellipse at top, #0a1428 0%, #060914 50%, #04060e 100%);
}

.bg-grid {
    position: absolute;
    inset: -2px;
    background-image:
        linear-gradient(rgba(120, 160, 220, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(120, 160, 220, 0.06) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 30%, transparent 75%);
}

.bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.55;
    animation: drift 18s ease-in-out infinite alternate;
}

.bg-orb-1 {
    width: 540px;
    height: 540px;
    top: -120px;
    right: -120px;
    background: radial-gradient(circle, var(--violet) 0%, transparent 65%);
}

.bg-orb-2 {
    width: 460px;
    height: 460px;
    top: 280px;
    left: -160px;
    background: radial-gradient(circle, var(--cyan) 0%, transparent 65%);
    animation-delay: -6s;
}

.bg-scanline {
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        rgba(255, 255, 255, 0.015) 0px,
        rgba(255, 255, 255, 0.015) 1px,
        transparent 1px,
        transparent 3px
    );
    pointer-events: none;
}

@keyframes drift {
    0%   { transform: translate(0, 0) scale(1); }
    100% { transform: translate(40px, 30px) scale(1.08); }
}

/* ===== Header ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(6, 9, 20, 0.72);
    backdrop-filter: saturate(160%) blur(14px);
    -webkit-backdrop-filter: saturate(160%) blur(14px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 24px;
    height: 72px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text);
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: 0.14em;
    font-size: 14px;
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--grad-soft);
    border: 1px solid var(--border-strong);
    color: var(--cyan);
    box-shadow: 0 0 24px -8px var(--cyan-glow);
}

.brand-dot { color: var(--cyan); }

.site-nav {
    margin-left: auto;
    display: flex;
    gap: 28px;
}

.site-nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: color 0.15s ease;
    display: inline-flex;
    align-items: baseline;
    gap: 8px;
}

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

.nav-num {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--cyan);
    opacity: 0.7;
}

.status-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    background: rgba(74, 222, 128, 0.06);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 12px var(--green);
    animation: pulse 1.8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.5; transform: scale(0.85); }
}

.status-text {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    color: var(--green);
}

/* ===== Hero ===== */
.hero {
    position: relative;
    padding: 110px 0 100px;
}

.hero-inner { max-width: 900px; }

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin: 0 0 28px;
    padding: 8px 14px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-strong);
    border-radius: 999px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.04em;
    color: var(--text-muted);
}

.eyebrow .bracket {
    color: var(--cyan);
    font-weight: 600;
}

.hero-title {
    margin: 0 0 28px;
    font-family: var(--font-display);
    font-size: clamp(40px, 6vw, 72px);
    line-height: 1.05;
    letter-spacing: -0.025em;
    font-weight: 700;
    color: var(--text);
}

.gradient-text {
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.cursor {
    display: inline-block;
    color: var(--cyan);
    -webkit-text-fill-color: var(--cyan);
    animation: blink 1.1s steps(2) infinite;
    margin-left: 4px;
}

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

.hero-lead {
    margin: 0 0 18px;
    font-size: clamp(17px, 1.4vw, 19px);
    color: var(--text-muted);
    max-width: 780px;
}

.hero-lead em {
    font-style: normal;
    color: var(--text);
    background: linear-gradient(transparent 60%, rgba(34, 211, 238, 0.18) 60%);
    padding: 0 2px;
}

.hero-sub {
    margin: 0 0 40px;
    color: var(--text-muted);
    max-width: 780px;
}

.hero-cta {
    margin-bottom: 56px;
}

.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 28px;
    border-radius: 10px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.25s ease;
    overflow: hidden;
    isolation: isolate;
}

.btn-primary {
    background: linear-gradient(135deg, #1a2a4a, #0d1426);
    color: var(--text);
    border-color: var(--border-strong);
    box-shadow:
        0 0 0 1px rgba(34, 211, 238, 0.18) inset,
        0 12px 30px -12px var(--cyan-glow);
}

.btn-glow {
    position: absolute;
    inset: -2px;
    z-index: -1;
    background: var(--grad);
    filter: blur(14px);
    opacity: 0.45;
    transition: opacity 0.25s ease;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow:
        0 0 0 1px rgba(34, 211, 238, 0.35) inset,
        0 18px 40px -14px var(--cyan-glow);
}

.btn-primary:hover .btn-glow { opacity: 0.75; }

.btn-primary svg { transition: transform 0.2s ease; color: var(--cyan); }
.btn-primary:hover svg { transform: translateX(4px); }

.hero-meta {
    display: grid;
    gap: 10px;
    padding: 20px 24px;
    background: rgba(13, 20, 38, 0.6);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    max-width: 640px;
    backdrop-filter: blur(8px);
}

.meta-row {
    display: flex;
    gap: 16px;
    font-family: var(--font-mono);
    font-size: 13px;
}

.meta-key {
    color: var(--cyan);
    min-width: 88px;
    opacity: 0.85;
}

.meta-val {
    color: var(--text-muted);
}

/* ===== Sections ===== */
.section {
    position: relative;
    padding: 120px 0;
    border-top: 1px solid var(--border);
}

.section-head {
    margin-bottom: 64px;
    max-width: 880px;
}

.section-eyebrow {
    margin: 0 0 14px;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 12px;
    color: var(--cyan);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.section-eyebrow .num {
    padding: 2px 8px;
    background: rgba(34, 211, 238, 0.1);
    border: 1px solid rgba(34, 211, 238, 0.3);
    border-radius: 4px;
    color: var(--cyan);
    font-weight: 600;
}

.section-title {
    margin: 0;
    font-family: var(--font-display);
    font-size: clamp(28px, 3.6vw, 44px);
    line-height: 1.15;
    letter-spacing: -0.02em;
    font-weight: 600;
    color: var(--text);
}

/* ===== About ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: 64px;
    align-items: start;
}

.about-text p {
    margin: 0 0 20px;
    color: var(--text-muted);
    font-size: 17px;
}

.about-text p:last-child { margin-bottom: 0; }

.stats {
    display: grid;
    gap: 14px;
}

.stat-card {
    position: relative;
    padding: 24px;
    background: linear-gradient(180deg, rgba(17, 26, 49, 0.7), rgba(13, 20, 38, 0.7));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.stat-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--grad-soft);
    opacity: 0;
    transition: opacity 0.25s ease;
    pointer-events: none;
}

.stat-card:hover {
    border-color: var(--border-strong);
    transform: translateY(-2px);
}

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

.stat-tag {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.12em;
    color: var(--text-faint);
    margin-bottom: 12px;
}

.stat-value {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: var(--grad);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    line-height: 1.1;
}

.stat-unit {
    font-size: 0.7em;
    margin-left: 2px;
}

.stat-label {
    margin-top: 10px;
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.55;
}

.audience {
    margin-top: 72px;
    padding-top: 40px;
    border-top: 1px dashed var(--border-strong);
}

.audience-label {
    margin: 0 0 18px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.08em;
    color: var(--text-faint);
}

.audience-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.audience-list li {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px;
    background: rgba(17, 26, 49, 0.5);
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    font-family: var(--font-mono);
    transition: border-color 0.2s ease, background 0.2s ease;
}

.audience-list li:hover {
    border-color: rgba(34, 211, 238, 0.4);
    background: rgba(34, 211, 238, 0.05);
}

.ll-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 8px var(--cyan-glow);
    flex-shrink: 0;
}

.ll-dot.warn {
    background: var(--amber);
    box-shadow: 0 0 8px rgba(251, 191, 36, 0.5);
}

/* ===== Contact ===== */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.contact-card {
    position: relative;
    display: block;
    padding: 32px;
    background: linear-gradient(180deg, rgba(17, 26, 49, 0.7), rgba(13, 20, 38, 0.7));
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--text);
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.25s ease;
    overflow: hidden;
}

.contact-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at top right, rgba(34, 211, 238, 0.12), transparent 60%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

a.contact-card:hover {
    transform: translateY(-3px);
    border-color: rgba(34, 211, 238, 0.4);
    box-shadow: 0 24px 48px -24px var(--cyan-glow);
}

a.contact-card:hover::before { opacity: 1; }

.contact-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.contact-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--grad-soft);
    border: 1px solid var(--border-strong);
    color: var(--cyan);
}

.contact-label {
    font-family: var(--font-mono);
    font-size: 13px;
    letter-spacing: 0.06em;
    color: var(--text-muted);
}

.contact-value {
    font-family: var(--font-mono);
    font-size: 22px;
    font-weight: 500;
    letter-spacing: -0.005em;
    color: var(--text);
}

.contact-note {
    margin-top: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-faint);
}

/* ===== Footer ===== */
.site-footer {
    border-top: 1px solid var(--border);
    background: rgba(4, 6, 14, 0.6);
    position: relative;
    z-index: 1;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 32px 28px;
    flex-wrap: wrap;
    gap: 14px;
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-muted);
}

.footer-brand .brand-mark {
    width: 26px;
    height: 26px;
}

.footer-meta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    color: var(--text-faint);
    font-family: var(--font-mono);
}

.footer-mono {
    padding: 3px 8px;
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--cyan);
}

.footer-sep { opacity: 0.5; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
    .hero { padding: 80px 0 72px; }
    .section { padding: 88px 0; }
    .status-chip { display: none; }
}

@media (max-width: 560px) {
    .site-nav { gap: 18px; }
    .header-inner { height: 64px; gap: 16px; }
    .btn { padding: 14px 22px; font-size: 14px; }
    .stat-value { font-size: 30px; }
    .contact-card { padding: 24px; }
    .contact-value { font-size: 18px; word-break: break-all; }
    .meta-row { flex-direction: column; gap: 2px; }
    .meta-key { min-width: 0; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { transition: none !important; animation: none !important; }
    .bg-orb { animation: none; }
    .status-dot, .cursor { animation: none; }
}