:root {
    --navy: #0f2d4a;
    --navy-deep: #07141f;
    --teal: #2a9aa0;
    --teal-bright: #47c6c8;
    --text: #f3f7fb;
    --muted: #9bb0c3;
    --line: rgba(255, 255, 255, 0.1);
    --card: rgba(255, 255, 255, 0.05);
    --font: "Inter", "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font);
    color: var(--text);
    background: var(--navy-deep);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }

.page-bg {
    position: fixed;
    inset: 0;
    z-index: -1;
    background:
        radial-gradient(860px 480px at 80% -10%, rgba(42, 154, 160, 0.22), transparent 55%),
        radial-gradient(640px 400px at -8% 30%, rgba(15, 45, 74, 0.9), transparent 50%),
        #07141f;
}

.wrap {
    width: min(1080px, calc(100% - 40px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: rgba(7, 20, 31, 0.78);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
}
.site-header .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 76px;
    gap: 16px;
    padding-top: env(safe-area-inset-top);
}
.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}
.brand-mark {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--navy);
    display: grid;
    place-items: center;
    color: var(--teal-bright);
}
.brand-mark svg { width: 22px; height: 22px; }
.brand-name {
    font-weight: 750;
    letter-spacing: -0.03em;
    font-size: 1.12rem;
}
.soon {
    display: inline-flex;
    padding: 7px 12px;
    border-radius: 999px;
    border: 1px solid rgba(71, 198, 200, 0.35);
    background: rgba(71, 198, 200, 0.1);
    color: var(--teal-bright);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.hero { padding: 68px 0 28px; }
.eyebrow {
    margin: 0 0 14px;
    color: var(--teal-bright);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}
.hero h1 {
    margin: 0 0 16px;
    font-size: clamp(2.2rem, 5.6vw, 4rem);
    line-height: 1.04;
    letter-spacing: -0.045em;
    font-weight: 780;
}
.hero-lead {
    margin: 0;
    max-width: 36rem;
    color: var(--muted);
    font-size: clamp(1.05rem, 2vw, 1.22rem);
}

.section { padding: 48px 0; }
.section-tight { padding-top: 0; }
.section-head { margin-bottom: 24px; max-width: 38rem; }
.section-head h2 {
    margin: 0;
    font-size: clamp(1.55rem, 3vw, 2.1rem);
    letter-spacing: -0.035em;
    line-height: 1.15;
}

.steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}
.step {
    padding: 24px 20px;
    border-radius: 18px;
    border: 1px solid var(--line);
    background: var(--card);
}
.step-num {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    margin-bottom: 14px;
    background: rgba(71, 198, 200, 0.14);
    color: var(--teal-bright);
    font-weight: 800;
}
.step h3 {
    margin: 0 0 8px;
    font-size: 1.08rem;
    letter-spacing: -0.02em;
}
.step p { margin: 0; color: var(--muted); }

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}
.feature {
    padding: 22px 20px;
    border-radius: 16px;
    border: 1px solid var(--line);
    background: var(--card);
}
.feature h3 {
    margin: 0 0 8px;
    font-size: 1.06rem;
    letter-spacing: -0.02em;
}
.feature p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.close { padding: 8px 0 72px; }
.close-card {
    padding: clamp(28px, 4vw, 42px);
    border-radius: 22px;
    border: 1px solid rgba(71, 198, 200, 0.24);
    background: linear-gradient(180deg, rgba(42, 154, 160, 0.14), rgba(255, 255, 255, 0.03));
}
.close-card h2 {
    margin: 0 0 10px;
    font-size: clamp(1.45rem, 3vw, 1.95rem);
    letter-spacing: -0.03em;
}
.close-card p { margin: 0; color: var(--muted); max-width: 38rem; }

.site-footer {
    border-top: 1px solid var(--line);
    padding: 28px 0 calc(28px + env(safe-area-inset-bottom));
    color: var(--muted);
    font-size: 0.82rem;
}
.site-footer strong { color: #d7e3ee; font-weight: 650; }
.legal-block { margin-top: 14px; line-height: 1.6; }

@media (max-width: 900px) {
    .steps,
    .feature-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
    .wrap { width: min(1080px, calc(100% - 28px)); }
    .hero { padding: 40px 0 16px; }
    .steps,
    .feature-grid { grid-template-columns: 1fr; }
    .section { padding: 36px 0; }
    .close { padding-bottom: 48px; }
}
