:root {
    color-scheme: dark;
    --bg: #050b15;
    --surface: rgba(12, 24, 43, 0.78);
    --surface-strong: #0d1b30;
    --border: rgba(147, 179, 224, 0.16);
    --text: #f4f8ff;
    --muted: #9cafc9;
    --blue: #4f8cff;
    --cyan: #43d9ff;
    --violet: #9c6cff;
    --green: #42e6a4;
    --shadow: 0 30px 80px rgba(0, 0, 0, 0.42);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-width: 320px;
    min-height: 100vh;
    color: var(--text);
    background:
        radial-gradient(circle at 16% 18%, rgba(79, 140, 255, 0.16), transparent 30rem),
        radial-gradient(circle at 85% 40%, rgba(156, 108, 255, 0.15), transparent 34rem),
        linear-gradient(145deg, #040913 0%, #071321 52%, #050a13 100%);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: .18;
    background-image:
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(to bottom, black, transparent 85%);
}

a { color: inherit; }
.page-shell { width: min(1500px, 100%); margin: 0 auto; padding: 0 5vw; position: relative; z-index: 1; }
.site-header, .site-footer { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.site-header { min-height: 104px; border-bottom: 1px solid var(--border); }
.brand { display: inline-flex; align-items: center; gap: .9rem; text-decoration: none; }
.brand-icon { width: 48px; height: 48px; display: grid; place-items: center; color: var(--cyan); border: 1px solid rgba(67,217,255,.28); border-radius: 15px; background: rgba(67,217,255,.08); box-shadow: inset 0 0 24px rgba(67,217,255,.08); }
.brand-icon svg { width: 30px; }
.brand-text { display: grid; gap: .15rem; }
.brand-text strong { font-size: 1.12rem; letter-spacing: .01em; }
.brand-text small { color: var(--muted); font-size: .76rem; }
.status-badge, .secure-pill { display: inline-flex; align-items: center; gap: .55rem; border: 1px solid var(--border); background: rgba(10,21,38,.7); color: #cad8ea; border-radius: 999px; padding: .62rem .9rem; font-size: .78rem; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 14px var(--green); }

.hero { min-height: calc(100vh - 190px); display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(350px, .92fr); align-items: center; gap: clamp(3rem, 7vw, 8rem); padding: clamp(4rem, 8vh, 7rem) 0; }
.eyebrow { margin: 0 0 1.25rem; color: var(--cyan); text-transform: uppercase; letter-spacing: .18em; font-size: .76rem; font-weight: 800; }
h1 { margin: 0; max-width: 800px; font-size: clamp(3rem, 6vw, 6.5rem); line-height: .95; letter-spacing: -.065em; }
h1 span { display: block; color: transparent; background: linear-gradient(90deg, var(--blue), var(--cyan), var(--violet)); -webkit-background-clip: text; background-clip: text; }
.hero-intro { max-width: 700px; margin: 1.75rem 0 0; color: var(--muted); font-size: clamp(1rem, 1.4vw, 1.24rem); line-height: 1.75; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .9rem; margin-top: 2.25rem; }
.feature-card { padding: 1.15rem; border: 1px solid var(--border); border-radius: 18px; background: linear-gradient(145deg, rgba(15,30,52,.7), rgba(8,18,32,.55)); }
.feature-number { color: var(--cyan); font-size: .72rem; font-weight: 800; letter-spacing: .12em; }
.feature-card h2 { margin: .85rem 0 .45rem; font-size: .98rem; }
.feature-card p { margin: 0; color: var(--muted); font-size: .82rem; line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 2rem; }
.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; padding: .8rem 1.25rem; border-radius: 14px; text-decoration: none; font-weight: 750; transition: transform .2s ease, border-color .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button:focus-visible, a:focus-visible { outline: 3px solid rgba(67,217,255,.55); outline-offset: 3px; }
.button-primary { color: #06101c; background: linear-gradient(135deg, var(--cyan), #7ba7ff); box-shadow: 0 12px 30px rgba(67,217,255,.18); }
.button-secondary { border: 1px solid var(--border); background: rgba(10,21,38,.65); }

.visual-panel { position: relative; padding: 2rem 0; }
.hero-image-frame {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(145,178,222,.24);
    border-radius: 30px;
    background: #071321;
    box-shadow: var(--shadow);
    transform: perspective(1100px) rotateY(-2deg) rotateX(1deg);
}
.hero-image-frame::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    box-shadow: inset 0 0 50px rgba(5,11,21,.28);
}
.hero-image-frame img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 3 / 2;
    object-fit: cover;
}

.site-footer { min-height: 86px; padding: 1rem 0; color: var(--muted); border-top: 1px solid var(--border); font-size: .82rem; }
.site-footer nav { display: flex; gap: 1.2rem; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--text); }

@media (max-width: 1060px) {
    .hero { grid-template-columns: 1fr; }
    .visual-panel { width: min(720px, 100%); }
    .hero-image-frame { transform: none; }
}

@media (max-width: 700px) {
    .page-shell { padding: 0 1.15rem; }
    .site-header { min-height: 88px; }
    .brand-text small, .status-badge { display: none; }
    .hero { padding: 3.5rem 0; gap: 2.5rem; }
    h1 { font-size: clamp(2.75rem, 14vw, 4.4rem); }
    .feature-grid { grid-template-columns: 1fr; }
    .feature-card { display: grid; grid-template-columns: auto 1fr; column-gap: .8rem; }
    .feature-card h2 { margin: 0 0 .35rem; }
    .feature-card p { grid-column: 2; }
    .hero-actions, .button { width: 100%; }
    .site-footer { align-items: flex-start; flex-direction: column; justify-content: center; }
}

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