:root {
    --bg: #09111f;
    --bg-soft: #101a2d;
    --panel: rgba(255, 255, 255, 0.06);
    --panel-strong: rgba(255, 255, 255, 0.1);
    --text: #e5edf8;
    --muted: #9fb0c9;
    --heading: #ffffff;
    --line: rgba(255, 255, 255, 0.12);
    --blue: #4f8cff;
    --blue-strong: #2f6df6;
    --cyan: #52d6ff;
    --teal: #33c7a5;
    --gold: #f3b94f;
    --slate: #dce7f8;
    --white: #ffffff;
    --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
    --radius: 22px;
    --radius-sm: 14px;
    --container: 1180px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at top left, rgba(79, 140, 255, 0.18), transparent 34%),
        radial-gradient(circle at top right, rgba(82, 214, 255, 0.12), transparent 24%),
        linear-gradient(180deg, #08101d 0%, #0a1424 40%, #0d1728 100%);
    color: var(--text);
    line-height: 1.7;
}

img {
    max-width: 100%;
}

a {
    color: var(--cyan);
    text-decoration: none;
}

a:hover {
    color: var(--white);
}

.container {
    width: min(var(--container), calc(100% - 40px));
    margin: 0 auto;
}

.narrow {
    max-width: 820px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(18px);
    background: rgba(8, 16, 29, 0.76);
    border-bottom: 1px solid var(--line);
}

.header-inner,
.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 16px 0;
}

.brand {
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    color: var(--white);
}

.site-nav {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.site-nav a {
    color: var(--muted);
    font-weight: 600;
}

.site-nav a.active,
.site-nav a:hover {
    color: var(--white);
}

.hero-shell {
    padding: 72px 0 48px;
}

.hero-grid,
.two-col,
.split-feature {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 32px;
    align-items: start;
}

.eyebrow {
    display: inline-block;
    margin-bottom: 16px;
    padding: 7px 12px;
    border-radius: 999px;
    background: rgba(82, 214, 255, 0.12);
    color: var(--cyan);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.eyebrow-light {
    background: rgba(255, 255, 255, 0.09);
    color: #b8d8ff;
}

h1,
h2,
h3 {
    margin: 0 0 16px;
    color: var(--heading);
    line-height: 1.15;
}

h1 {
    font-size: clamp(2.7rem, 5vw, 4.6rem);
    max-width: 11ch;
}

h2 {
    font-size: clamp(2rem, 3vw, 3rem);
}

h3 {
    font-size: 1.18rem;
}

p {
    margin: 0 0 16px;
    color: var(--slate);
}

.hero-lead {
    font-size: 1.12rem;
    max-width: 700px;
    color: #d8e6fb;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin: 28px 0 22px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 22px;
    border-radius: 999px;
    font-weight: 700;
    transition: transform 0.2s ease, opacity 0.2s ease, background 0.2s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--blue), var(--cyan));
    color: #06111f;
}

.btn-secondary {
    border: 1px solid rgba(255,255,255,0.18);
    color: var(--white);
    background: rgba(255,255,255,0.04);
}

.hero-points,
.signal-card ul,
.monetization-panel ul,
.checklist-box ul {
    margin: 0;
    padding-left: 20px;
}

.hero-points li,
.signal-card li,
.monetization-panel li,
.checklist-box li {
    margin-bottom: 10px;
    color: var(--slate);
}

.hero-card,
.signal-card,
.metric-box,
.topic-card,
.product-card,
.monetization-panel,
.checklist-box,
.faq-stack details {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.hero-card {
    padding: 20px;
}

.signal-card {
    padding: 24px;
    margin-bottom: 16px;
}

.signal-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--gold);
    margin-bottom: 14px;
}

.metric-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.metric-box {
    padding: 18px;
}

.metric-box strong {
    display: block;
    margin-bottom: 8px;
    font-size: 1.6rem;
    color: var(--white);
}

.metric-box span {
    color: var(--muted);
    font-size: 0.96rem;
}

.section {
    padding: 72px 0;
}

.section-slate {
    background: rgba(255,255,255,0.03);
}

.section-dark {
    background: linear-gradient(135deg, rgba(47,109,246,0.18), rgba(51,199,165,0.12));
}

.tone-band {
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: rgba(255,255,255,0.02);
}

.section-heading {
    margin-bottom: 28px;
}

.section-heading p {
    color: var(--muted);
    max-width: 700px;
}

.topic-grid,
.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.large-grid {
    grid-template-columns: repeat(2, 1fr);
}

.topic-card,
.product-card,
.monetization-panel,
.checklist-box,
.glow-panel {
    padding: 24px;
}

.topic-card p,
.product-card p,
.glow-panel p {
    color: var(--muted);
}

.featured-product-card {
    background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.04));
}

.placeholder-tag {
    display: inline-block;
    margin-top: 8px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--cyan);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.bullet-list {
    margin: 12px 0 0;
    padding-left: 20px;
}

.bullet-list li {
    margin-bottom: 8px;
    color: var(--slate);
}

.align-center {
    align-items: center;
}

.glow-panel {
    border-radius: var(--radius);
    border: 1px solid rgba(82,214,255,0.22);
    background: radial-gradient(circle at top left, rgba(82,214,255,0.16), rgba(255,255,255,0.04));
    box-shadow: var(--shadow);
}

.section-luxury {
    background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.05));
}

.brand-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.brand-box {
    padding: 22px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--line);
    background: rgba(255,255,255,0.05);
}

.brand-box strong {
    display: block;
    margin-bottom: 8px;
    color: var(--white);
}

.brand-box span {
    color: var(--muted);
}

.faq-stack {
    display: grid;
    gap: 14px;
}

.faq-stack details {
    padding: 18px 20px;
}

.faq-stack summary {
    cursor: pointer;
    font-weight: 700;
    color: var(--white);
}

.faq-stack details p {
    margin-top: 12px;
    color: var(--muted);
}

.disclaimer-section {
    padding-top: 24px;
}

.site-footer {
    border-top: 1px solid var(--line);
    padding-bottom: 24px;
}

.site-footer p,
.footer-links a {
    color: var(--muted);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

@media (max-width: 980px) {
    .hero-grid,
    .two-col,
    .split-feature,
    .topic-grid,
    .product-grid,
    .large-grid,
    .brand-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .container {
        width: min(var(--container), calc(100% - 28px));
    }

    .header-inner,
    .footer-inner,
    .site-nav,
    .hero-actions,
    .metric-row {
        flex-direction: column;
        align-items: stretch;
    }

    .site-nav {
        gap: 10px;
    }

    .hero-shell,
    .section {
        padding: 54px 0;
    }

    h1 {
        font-size: 2.5rem;
    }
}