:root { color-scheme: dark; font-family: system-ui, sans-serif; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: #e9f3ff; background: #070e1c; }
a { color: inherit; }
.site-shell { min-height: 100vh; overflow: hidden; background: radial-gradient(ellipse 65% 36% at 82% 21%, #18354d 0%, transparent 75%), radial-gradient(ellipse 45% 36% at 15% 18%, #122741 0%, transparent 80%), #070e1c; }
.site-header, .hero, .discover, .final-cta, .site-footer { width: min(1200px, calc(100% - 48px)); margin-inline: auto; }
.site-header { min-height: 88px; display: flex; justify-content: space-between; align-items: center; gap: 20px; border-bottom: 1px solid #26405b; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: #e9f3ff; font-size: .95rem; font-weight: 800; letter-spacing: .1em; text-decoration: none; text-transform: uppercase; }
.brand-mark { color: #77d8ec; font-size: 1.7rem; line-height: 1; }
.site-header nav { display: flex; align-items: center; gap: 24px; font-size: .88rem; font-weight: 700; }
.site-header nav a { text-decoration: none; }
.nav-login { color: #c2d5e9; }
.nav-signup { padding: 11px 15px; border: 1px solid #628eaa; border-radius: 6px; color: #b9eff9; }
.nav-signup:hover, .nav-signup:focus-visible { background: #14334a; }
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .94fr); align-items: center; gap: clamp(36px, 5vw, 80px); padding-block: clamp(70px, 9vw, 130px); }
.eyebrow { margin: 0 0 20px; color: #78d9ee; font-size: .75rem; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.signal { display: inline-block; width: 7px; height: 7px; margin-right: 9px; border-radius: 50%; background: #78d9ee; box-shadow: 0 0 12px #78d9ee; vertical-align: 2px; }
h1, h2, h3, p { margin-top: 0; }
.hero h1 { max-width: 650px; margin-bottom: 26px; font-size: clamp(3rem, 5.4vw, 5.25rem); line-height: 1.04; letter-spacing: -.055em; }
.hero h1 em { display: block; color: #f4d38f; font-style: normal; }
.hero-lead { max-width: 550px; margin-bottom: 30px; color: #b5c9de; font-size: 1.08rem; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 23px; min-height: 52px; padding: 13px 20px; border-radius: 6px; font-size: .92rem; font-weight: 800; text-align: center; text-decoration: none; transition: transform .15s ease, background .15s ease; }
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.button-primary { color: #071827; background: #79d8ec; }
.button-primary:hover, .button-primary:focus-visible { background: #b3f0fa; }
.button-secondary { border: 1px solid #44637e; color: #d8e9f8; background: #0b1a2a; }
.button-secondary:hover, .button-secondary:focus-visible { background: #173049; }
.hero-note { margin: 19px 0 0; color: #91aac2; font-size: .82rem; }
.hero-visual { position: relative; min-width: 0; border: 1px solid #3a607e; border-radius: 16px; background: radial-gradient(circle at 42% 48%, #1e3a53, #0c1b2e 65%, #0a1627); box-shadow: 0 30px 90px #0008, inset 0 0 70px #102b4566; }
.hero-visual::before, .hero-visual::after { content: ''; position: absolute; width: 9px; height: 9px; border-color: #77d8ec; }
.hero-visual::before { top: 13px; left: 13px; border-top: 1px solid; border-left: 1px solid; }
.hero-visual::after { right: 13px; bottom: 13px; border-right: 1px solid; border-bottom: 1px solid; }
.hero-visual svg { display: block; width: 100%; height: auto; }
.visual-heading, .visual-footer { position: absolute; z-index: 1; right: 25px; left: 25px; display: flex; justify-content: space-between; gap: 10px; color: #a8c0d6; font-size: .64rem; font-weight: 800; letter-spacing: .15em; }
.visual-heading { top: 25px; }.visual-footer { bottom: 25px; }.legend-dot { display: inline-block; width: 8px; height: 8px; margin-right: 5px; border-radius: 50%; background: #f6d28d; }
.discover { padding-block: 34px 100px; }.section-heading h2 { margin-bottom: 36px; font-size: clamp(2rem, 3.3vw, 3rem); line-height: 1.2; letter-spacing: -.035em; }
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.feature { min-height: 250px; padding: 27px; border: 1px solid #29445e; border-radius: 10px; background: #0d1c2ecc; }
.feature-index { color: #79d8ec; font-size: .69rem; font-weight: 800; letter-spacing: .14em; }.feature-icon { margin: 27px 0 10px; color: #f3d28e; font-size: 2rem; line-height: 1; }
.feature h3 { margin-bottom: 9px; font-size: 1.18rem; }.feature p { margin-bottom: 0; color: #a9bfd5; font-size: .93rem; line-height: 1.65; }
.final-cta { display: flex; justify-content: space-between; align-items: center; gap: 26px; margin-bottom: 75px; padding: clamp(28px, 4vw, 48px); border: 1px solid #416a81; border-radius: 12px; background: linear-gradient(110deg, #183b51, #102438 65%, #101d31); }
.final-cta .eyebrow { margin-bottom: 12px; }.final-cta h2 { margin-bottom: 10px; font-size: clamp(1.6rem, 2.6vw, 2.3rem); letter-spacing: -.03em; }.final-cta p:last-child { margin-bottom: 0; color: #b7cde1; line-height: 1.5; }.final-cta .button { flex-shrink: 0; }
.site-footer { display: flex; justify-content: space-between; gap: 15px; padding: 22px 0 55px; border-top: 1px solid #29445e; color: #87a2bb; font-size: .78rem; }
@media (max-width: 900px) { .hero { grid-template-columns: 1fr; padding-block: 70px; }.hero-visual { width: min(600px, 100%); }.feature-grid { grid-template-columns: 1fr; }.feature { min-height: 0; }.feature-icon { margin-top: 20px; } }
@media (max-width: 620px) { .site-header, .hero, .discover, .final-cta, .site-footer { width: min(100% - 32px, 1200px); }.site-header { min-height: 74px; }.brand { font-size: .78rem; letter-spacing: .06em; }.site-header nav { gap: 10px; }.nav-login { display: none; }.nav-signup { padding: 9px; font-size: .75rem; }.hero { padding-block: 55px; }.hero h1 { font-size: clamp(2.75rem, 11vw, 4rem); }.hero-visual { border-radius: 9px; }.visual-heading, .visual-footer { left: 15px; right: 15px; font-size: .53rem; }.visual-heading { top: 16px; }.visual-footer { bottom: 16px; }.discover { padding-bottom: 70px; }.final-cta { flex-direction: column; align-items: flex-start; margin-bottom: 50px; }.site-footer { flex-direction: column; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; }.button { transition: none; } }