:root {
    color-scheme: dark;
    --landing-bg: #071018;
    --landing-panel: #0d1923;
    --landing-panel-soft: #101f2b;
    --landing-border: rgba(148, 181, 207, 0.16);
    --landing-text: #edf6fc;
    --landing-muted: #91a7b8;
    --landing-green: #38e68a;
    --landing-blue: #55aaff;
    --landing-orange: #ffb45c;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    overflow-x: hidden;
    color: var(--landing-text);
    background: var(--landing-bg);
    font-family: Inter, "Segoe UI", Arial, sans-serif;
    line-height: 1.55;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
.landing-shell { width: min(1180px, calc(100% - 2.5rem)); margin-inline: auto; }
.landing-skip { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: .7rem 1rem; background: #fff; color: #071018; border-radius: .5rem; }
.landing-skip:focus { top: 1rem; }

.landing-header {
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid rgba(148, 181, 207, .11);
    background: rgba(7, 16, 24, .84);
    backdrop-filter: blur(18px);
}
.landing-header-inner { min-height: 76px; display: flex; align-items: center; gap: 2rem; }
.landing-brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; }
.landing-brand img { width: 42px; height: 42px; }
.landing-brand span { display: grid; line-height: 1.05; }
.landing-brand strong { font-size: .96rem; letter-spacing: .01em; }
.landing-brand small { color: var(--landing-muted); font-size: .7rem; letter-spacing: .18em; text-transform: uppercase; margin-top: .22rem; }
.landing-nav { display: flex; gap: 1.8rem; margin-left: auto; }
.landing-nav a { color: var(--landing-muted); font-size: .9rem; text-decoration: none; }
.landing-nav a:hover { color: var(--landing-text); }

.landing-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .65rem;
    min-height: 48px;
    padding: .75rem 1.15rem;
    border: 1px solid transparent;
    border-radius: .72rem;
    color: var(--landing-text);
    font-weight: 750;
    text-decoration: none;
    transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.landing-button:hover { transform: translateY(-2px); }
.landing-button-small { min-height: 40px; padding: .55rem .9rem; border-color: var(--landing-border); background: rgba(255,255,255,.035); font-size: .84rem; }
.landing-button-primary { color: #02120a; background: linear-gradient(120deg, var(--landing-green), #72f3b0); box-shadow: 0 16px 44px rgba(56, 230, 138, .18); }
.landing-button-ghost { border-color: var(--landing-border); background: rgba(255,255,255,.025); }
.landing-button-large { min-height: 58px; padding-inline: 1.6rem; }

.landing-hero { position: relative; overflow: hidden; padding: 7.2rem 0 6rem; background: radial-gradient(circle at 76% 36%, rgba(35, 125, 173, .13), transparent 35%); }
.landing-hero::before { content: ""; position: absolute; inset: 0; opacity: .34; background-image: linear-gradient(rgba(100,160,190,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(100,160,190,.08) 1px, transparent 1px); background-size: 54px 54px; mask-image: linear-gradient(to bottom, black, transparent 86%); }
.landing-orb { position: absolute; border-radius: 50%; filter: blur(4px); pointer-events: none; }
.landing-orb-one { width: 380px; height: 380px; right: -170px; top: -180px; background: rgba(56,230,138,.09); }
.landing-orb-two { width: 290px; height: 290px; left: -160px; bottom: -150px; background: rgba(85,170,255,.09); }
.landing-hero-grid { position: relative; display: grid; grid-template-columns: .9fr 1.15fr; align-items: center; gap: 4.2rem; }
.landing-hero-grid > * { min-width: 0; }
.landing-eyebrow, .landing-kicker { color: var(--landing-green); font-size: .76rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.landing-eyebrow { display: flex; align-items: center; gap: .65rem; }
.landing-eyebrow span { width: 28px; height: 2px; background: var(--landing-green); box-shadow: 0 0 14px var(--landing-green); }
.landing-hero h1 { max-width: 710px; margin: 1rem 0 1.4rem; font-size: clamp(2.8rem, 5.3vw, 5.15rem); line-height: .98; letter-spacing: -.055em; }
.landing-hero h1 em { display: block; color: transparent; background: linear-gradient(100deg, var(--landing-green), var(--landing-blue)); background-clip: text; font-style: normal; }
.landing-lead { max-width: 650px; color: #abc0cf; font-size: 1.1rem; }
.landing-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.landing-register-hint { color: var(--landing-muted); font-size: .88rem; }
.landing-register-hint a { color: var(--landing-green); }
.landing-trust { display: flex; flex-wrap: wrap; gap: .65rem 1.15rem; margin: 2rem 0 0; padding: 0; list-style: none; color: var(--landing-muted); font-size: .78rem; }
.landing-trust span { color: var(--landing-green); }

.landing-hero-visual { position: relative; min-width: 0; perspective: 1300px; }
.landing-window { overflow: hidden; border: 1px solid var(--landing-border); border-radius: 1rem; background: #0a141d; box-shadow: 0 30px 85px rgba(0,0,0,.42); }
.landing-window-hero { transform: rotateY(-5deg) rotateX(2deg); }
.landing-window-bar { height: 36px; display: flex; align-items: center; gap: .34rem; padding: 0 .8rem; border-bottom: 1px solid var(--landing-border); background: #0b1720; }
.landing-window-bar > span { width: 7px; height: 7px; border-radius: 50%; background: #334654; }
.landing-window-bar > span:first-child { background: #ff6c70; }
.landing-window-bar > span:nth-child(2) { background: #ffbf59; }
.landing-window-bar > span:nth-child(3) { background: #43d886; }
.landing-window-bar small { margin-left: auto; color: #668092; font-size: .62rem; letter-spacing: .08em; }
.landing-floating-card { position: absolute; display: grid; padding: .8rem .95rem; border: 1px solid rgba(134, 190, 218, .24); border-radius: .85rem; background: rgba(10, 25, 35, .94); box-shadow: 0 18px 45px rgba(0,0,0,.4); backdrop-filter: blur(14px); }
.landing-floating-card small { color: var(--landing-muted); font-size: .65rem; }
.landing-floating-card strong { font-size: 1.35rem; }
.landing-floating-card strong span { color: var(--landing-muted); font-size: .66rem; }
.landing-floating-card em { color: var(--landing-green); font-size: .62rem; font-style: normal; }
.landing-floating-score { left: -2.2rem; bottom: 1.6rem; }
.landing-floating-quality { right: -1.4rem; top: 4.7rem; display: flex; align-items: center; gap: .65rem; }
.landing-floating-quality > span:last-child { display: grid; }
.landing-quality-ring { display: grid; place-items: center; width: 42px; height: 42px; border: 3px solid var(--landing-green); border-left-color: #263c48; border-radius: 50%; color: var(--landing-green); font-size: .72rem; font-weight: 800; }

.landing-signal-strip { border-block: 1px solid var(--landing-border); background: rgba(11,25,35,.72); }
.landing-signal-grid { display: grid; grid-template-columns: repeat(4,1fr); }
.landing-signal-grid div { display: grid; gap: .12rem; padding: 1.35rem 1.5rem; border-right: 1px solid var(--landing-border); }
.landing-signal-grid div:first-child { border-left: 1px solid var(--landing-border); }
.landing-signal-grid strong { font-size: 1.05rem; }
.landing-signal-grid span { color: var(--landing-muted); font-size: .72rem; }

.landing-section { padding: 7rem 0; }
.landing-section-heading { max-width: 720px; margin: 0 auto 3.2rem; text-align: center; }
.landing-section-heading-left { margin-left: 0; text-align: left; }
.landing-section-heading h2, .landing-privacy-card h2, .landing-final-card h2 { margin: .45rem 0 1rem; font-size: clamp(2rem, 4vw, 3.35rem); line-height: 1.05; letter-spacing: -.045em; }
.landing-section-heading > p:last-child { color: var(--landing-muted); }
.landing-feature-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; }
.landing-feature-card { min-height: 245px; padding: 1.45rem; border: 1px solid var(--landing-border); border-radius: 1rem; background: linear-gradient(145deg, rgba(17,34,46,.92), rgba(10,22,31,.72)); }
.landing-feature-card:hover { border-color: rgba(56,230,138,.28); }
.landing-feature-icon { display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 1.4rem; border: 1px solid rgba(56,230,138,.24); border-radius: .7rem; color: var(--landing-green); background: rgba(56,230,138,.07); font-weight: 850; }
.landing-feature-card h3 { margin: 0 0 .65rem; font-size: 1.08rem; }
.landing-feature-card p { margin: 0; color: var(--landing-muted); font-size: .91rem; }

.landing-showcase { background: #09141d; border-block: 1px solid rgba(148,181,207,.09); }
.landing-showcase-stack { display: grid; gap: 6rem; }
.landing-showcase-item { display: grid; grid-template-columns: minmax(0,1.5fr) minmax(240px,.58fr); align-items: center; gap: 3.2rem; margin: 0; }
.landing-showcase-item-reverse .landing-window { order: 2; }
.landing-showcase-item figcaption { display: flex; align-items: flex-start; gap: 1rem; }
.landing-showcase-item figcaption > span { color: var(--landing-green); font-size: .72rem; font-weight: 850; letter-spacing: .15em; }
.landing-showcase-item h3 { margin: 0 0 .65rem; font-size: 1.45rem; }
.landing-showcase-item p { margin: 0; color: var(--landing-muted); }

.landing-steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; margin: 0; padding: 0; list-style: none; counter-reset: steps; }
.landing-steps li { position: relative; display: flex; gap: 1rem; min-height: 170px; padding: 1.4rem; border-top: 1px solid rgba(56,230,138,.42); background: linear-gradient(to bottom, rgba(56,230,138,.04), transparent); }
.landing-steps li > span { color: var(--landing-green); font-size: .7rem; font-weight: 850; letter-spacing: .12em; }
.landing-steps h3 { margin: 0 0 .55rem; }
.landing-steps p { margin: 0; color: var(--landing-muted); font-size: .9rem; }

.landing-privacy-section { padding-top: 2rem; }
.landing-privacy-card { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 2rem; padding: 2.5rem; border: 1px solid rgba(85,170,255,.25); border-radius: 1.2rem; background: radial-gradient(circle at 0 50%, rgba(85,170,255,.13), transparent 35%), var(--landing-panel); }
.landing-privacy-mark { display: grid; place-items: center; width: 70px; height: 70px; border: 1px solid rgba(85,170,255,.3); border-radius: 50%; color: var(--landing-blue); font-size: 1.6rem; }
.landing-privacy-card h2 { max-width: 760px; font-size: clamp(1.7rem,3.2vw,2.7rem); }
.landing-privacy-card p:not(.landing-kicker) { color: var(--landing-muted); }
.landing-privacy-card ul { margin: 0; padding: 0; list-style: none; color: #b9cedc; font-size: .82rem; }
.landing-privacy-card li { margin: .35rem 0; }
.landing-privacy-card li::before { content: "✓"; color: var(--landing-green); margin-right: .5rem; }

.landing-final-cta { padding: 5rem 0 8rem; }
.landing-final-card { display: flex; flex-direction: column; align-items: center; padding: 4rem 2rem; overflow: hidden; border: 1px solid rgba(56,230,138,.22); border-radius: 1.4rem; background: radial-gradient(circle at 50% 0, rgba(56,230,138,.13), transparent 44%), var(--landing-panel); text-align: center; }
.landing-final-card img { margin-bottom: 1rem; }
.landing-final-card h2 { max-width: 850px; }
.landing-footer { border-top: 1px solid var(--landing-border); color: var(--landing-muted); }
.landing-footer .landing-shell { min-height: 120px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.landing-footer p { font-size: .78rem; }
.landing-footer > div > a:last-child { color: var(--landing-green); font-size: .82rem; }

@media (max-width: 980px) {
    .landing-hero { padding-top: 5rem; }
    .landing-hero-grid { grid-template-columns: 1fr; }
    .landing-hero-copy { max-width: 760px; }
    .landing-hero-visual { width: min(850px,100%); margin-inline: auto; }
    .landing-feature-grid { grid-template-columns: repeat(2,1fr); }
    .landing-privacy-card { grid-template-columns: auto 1fr; }
    .landing-privacy-card ul { grid-column: 2; }
}

@media (max-width: 720px) {
    .landing-shell { width: min(1180px, calc(100% - 1.35rem)); }
    .landing-header-inner { min-height: 66px; gap: .65rem; }
    .landing-nav { display: none; }
    .landing-button-small { min-height: 36px; margin-left: auto; padding: .45rem .65rem; font-size: .75rem; }
    .landing-brand img { width: 36px; height: 36px; }
    .landing-hero { padding: 4.5rem 0 4rem; }
    .landing-eyebrow { font-size: .64rem; letter-spacing: .1em; }
    .landing-hero h1 { overflow-wrap: break-word; font-size: clamp(2.45rem,12vw,4rem); }
    .landing-lead { font-size: 1rem; }
    .landing-window-hero { transform: none; }
    .landing-floating-card { display: none; }
    .landing-signal-grid { grid-template-columns: repeat(2,1fr); }
    .landing-signal-grid div, .landing-signal-grid div:first-child { border: 0; border-bottom: 1px solid var(--landing-border); }
    .landing-section { padding: 5rem 0; }
    .landing-feature-grid, .landing-steps { grid-template-columns: 1fr; }
    .landing-feature-card { min-height: auto; }
    .landing-showcase-stack { gap: 4rem; }
    .landing-showcase-item { grid-template-columns: 1fr; gap: 1.5rem; }
    .landing-showcase-item-reverse .landing-window { order: 0; }
    .landing-privacy-card { grid-template-columns: 1fr; padding: 1.5rem; }
    .landing-privacy-card ul { grid-column: auto; }
    .landing-footer .landing-shell { flex-direction: column; align-items: flex-start; justify-content: center; padding-block: 2rem; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .landing-button { transition: none; }
}