:root {
    --navy-900: #070f22;
    --navy-800: #0b1630;
    --navy-700: #142347;
    --ink: #1a2238;
    --muted: #5a6478;
    --line: #e3e7ef;
    --surface: #ffffff;
    --surface-alt: #f4f6fa;
    --accent: #2f7ff0;
    --accent-hover: #1f66d1;
    --glow: #7fd4ff;
    --radius: 14px;
    --shadow: 0 20px 50px -20px rgba(11, 22, 48, 0.35);
    --font: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
    margin: 0;
    font-family: var(--font);
    font-size: 17px;
    line-height: 1.65;
    color: var(--ink);
    background: var(--surface);
    -webkit-font-smoothing: antialiased;
}

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

a { color: var(--accent); }

h1, h2, h3 { line-height: 1.2; margin: 0 0 0.5em; color: inherit; }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.3rem); letter-spacing: -0.01em; }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 780px; }
.center { text-align: center; }

.skip-link {
    position: absolute; left: -9999px; top: 8px;
    background: var(--surface); padding: 8px 12px; border-radius: 6px; z-index: 100;
}
.skip-link:focus { left: 8px; }

/* Header */
.site-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(7, 15, 34, 0.92);
    backdrop-filter: saturate(140%) blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand {
    display: flex; align-items: center; gap: 10px;
    color: #fff; text-decoration: none; font-weight: 700; font-size: 1.2rem; letter-spacing: 0.01em;
}
.brand img { flex: none; }

.site-nav { display: flex; align-items: center; gap: 4px; }
.site-nav a {
    color: rgba(255, 255, 255, 0.82); text-decoration: none; font-weight: 500; font-size: 0.95rem;
    padding: 8px 14px; border-radius: 8px; transition: color 0.15s, background 0.15s;
}
.site-nav a:hover { color: #fff; background: rgba(255, 255, 255, 0.08); }
.site-nav a.nav-cta { color: #fff; border: 1px solid rgba(255, 255, 255, 0.4); margin-left: 8px; }
.site-nav a.nav-cta:hover { border-color: #fff; background: rgba(255, 255, 255, 0.08); }

.nav-toggle {
    display: none; width: 44px; height: 44px; padding: 10px;
    background: none; border: 0; cursor: pointer;
    flex-direction: column; justify-content: space-between;
}
.nav-toggle span { display: block; height: 2px; background: #fff; border-radius: 2px; }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 22px; border-radius: 10px;
    font-weight: 600; font-size: 1rem; text-decoration: none;
    border: 1px solid transparent; transition: background 0.15s, border-color 0.15s, transform 0.15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { color: #fff; border-color: rgba(255, 255, 255, 0.35); }
.btn-ghost:hover { border-color: #fff; background: rgba(255, 255, 255, 0.06); }
.btn-lg { padding: 14px 28px; font-size: 1.1rem; }

.eyebrow {
    text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.78rem; font-weight: 700;
    color: var(--accent); margin-bottom: 0.75em;
}

/* Hero */
.hero {
    position: relative; overflow: hidden; color: #fff;
    background:
        radial-gradient(1200px 500px at 85% -10%, rgba(47, 127, 240, 0.35), transparent 60%),
        radial-gradient(800px 400px at 10% 110%, rgba(127, 212, 255, 0.18), transparent 60%),
        linear-gradient(180deg, var(--navy-900), var(--navy-700));
    padding: 120px 0 128px;
}
.hero::before {
    content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0.55;
    background-image:
        radial-gradient(1.5px 1.5px at 12% 22%, #fff, transparent),
        radial-gradient(1px 1px at 28% 68%, #fff, transparent),
        radial-gradient(1.5px 1.5px at 46% 34%, #cfe6ff, transparent),
        radial-gradient(1px 1px at 63% 78%, #fff, transparent),
        radial-gradient(1.5px 1.5px at 74% 18%, #fff, transparent),
        radial-gradient(1px 1px at 88% 52%, #cfe6ff, transparent),
        radial-gradient(1px 1px at 92% 86%, #fff, transparent),
        radial-gradient(1px 1px at 6% 82%, #fff, transparent);
}
.hero-inner { position: relative; }
.hero-inner h1 { max-width: 820px; }
.hero .eyebrow { color: var(--glow); }
.hero .lead { font-size: 1.2rem; color: rgba(255, 255, 255, 0.8); max-width: 640px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

/* Sections */
.section { padding: 96px 0; }
.section-alt { background: var(--surface-alt); }
.section-dark { background: linear-gradient(180deg, var(--navy-800), var(--navy-900)); color: #fff; }
.section-dark .eyebrow { color: var(--glow); }
.section-dark p { color: rgba(255, 255, 255, 0.8); }
.section-head { margin-bottom: 40px; }

/* Product */
.product {
    display: grid; grid-template-columns: 1.35fr 1fr; gap: 48px; align-items: center;
    background: var(--surface); border: 1px solid var(--line); border-radius: calc(var(--radius) + 4px);
    padding: 32px; box-shadow: var(--shadow);
}
.product-media { display: block; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.product-media img { transition: transform 0.4s ease; }
.product-media:hover img { transform: scale(1.02); }
.product-tagline { color: var(--muted); font-weight: 500; margin-top: -0.3em; }
.product h3 { font-size: 1.9rem; }
.feature-list { list-style: none; padding: 0; margin: 0 0 28px; }
.feature-list li { position: relative; padding-left: 28px; margin-bottom: 10px; color: var(--muted); }
.feature-list li::before {
    content: ""; position: absolute; left: 0; top: 0.55em; width: 14px; height: 14px; border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, #fff, #b9cbe8 55%, #6f84ad);
}

/* Coming soon */
.soon {
    display: flex; gap: 32px; align-items: flex-start;
    background: var(--surface); border: 1px dashed #c3cde0; border-radius: calc(var(--radius) + 4px);
    padding: 40px; max-width: 860px; margin: 0 auto;
}
.soon-icon {
    flex: none; display: grid; place-items: center; width: 88px; height: 88px; border-radius: 22px;
    background: linear-gradient(135deg, var(--navy-700), var(--accent)); color: #fff;
}
.soon p { color: var(--muted); }
.badge {
    display: inline-block; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
    color: #8a5a00; background: #fff1cc; border-radius: 999px; padding: 4px 12px; margin-bottom: 12px;
}
.text-link { font-weight: 600; text-decoration: none; }
.text-link:hover { text-decoration: underline; }

/* About */
#about p { color: var(--muted); }
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 40px; }
.values > div { border-top: 3px solid var(--accent); padding-top: 16px; }
.values h3 { font-size: 1.1rem; margin-bottom: 0.3em; }
.values p { font-size: 0.95rem; margin: 0; }

/* Legal */
.legal h1 { font-size: clamp(2rem, 4vw, 2.6rem); margin-bottom: 1em; }
.legal h2 { font-size: 1.3rem; margin-top: 2em; }
.legal p, .legal li { color: #3d465a; }
.legal li { margin-bottom: 0.6em; }

/* Footer */
.site-footer { background: var(--navy-900); color: rgba(255, 255, 255, 0.6); font-size: 0.92rem; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; align-items: center; padding-top: 24px; padding-bottom: 24px; }
.footer-inner p { margin: 0; }
.footer-inner nav { display: flex; flex-wrap: wrap; gap: 20px; }
.footer-inner a { color: rgba(255, 255, 255, 0.8); text-decoration: none; }
.footer-inner a:hover { color: #fff; text-decoration: underline; }

a:focus-visible, button:focus-visible { outline: 3px solid var(--glow); outline-offset: 2px; }

/* Responsive */
@media (max-width: 900px) {
    .product { grid-template-columns: 1fr; gap: 28px; padding: 20px; }
}

@media (max-width: 760px) {
    body { font-size: 16px; }
    .container { padding: 0 16px; }
    .hero { padding: 80px 0 88px; }
    .section { padding: 64px 0; }
    .nav-toggle { display: flex; }
    .site-nav:not(.site-nav-static) {
        display: none; position: absolute; top: 64px; left: 0; right: 0;
        flex-direction: column; align-items: stretch; gap: 0;
        background: var(--navy-900); padding: 8px 16px 16px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .site-nav.open { display: flex; }
    .site-nav a { padding: 12px; }
    .site-nav a.nav-cta { margin: 8px 0 0; text-align: center; }
    .soon { flex-direction: column; padding: 28px 20px; gap: 20px; }
    .values { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    * { transition: none !important; }
}
