/*
 * Cinematic UI styles for the AdSphere Foundation theme.
 *
 * This stylesheet defines the colour palette, typography, spacing and
 * component styles used across the front end. It is intentionally
 * verbose in variable naming to clearly communicate intent. Feel free
 * to extend or override variables in child sections as the design
 * evolves.
 */

:root {
    --as-bg: #07111f;
    --as-bg-soft: #0d1830;
    --as-surface: rgba(255, 255, 255, 0.06);
    --as-surface-strong: rgba(255, 255, 255, 0.1);
    --as-border: rgba(255, 255, 255, 0.12);
    --as-text: #f7fbff;
    --as-text-soft: #b7c5da;
    --as-primary: #66b2ff;
    --as-primary-strong: #2f86ff;
    --as-accent: #7e7bff;
    --as-success: #3fd3a3;
    --as-shadow: 0 18px 50px rgba(0, 0, 0, 0.28);
    --as-radius: 22px;
    --as-radius-sm: 14px;
    --as-container: 1240px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behaviour: smooth;
}

body.adsphere-app {
    margin: 0;
    font-family: Inter, Arial, Helvetica, sans-serif;
    background:
        radial-gradient(circle at top left, rgba(126, 123, 255, 0.22), transparent 30%),
        radial-gradient(circle at top right, rgba(47, 134, 255, 0.2), transparent 28%),
        linear-gradient(180deg, #06101d 0%, #081426 48%, #09111c 100%);
    color: var(--as-text);
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

.as-container {
    width: min(100% - 32px, var(--as-container));
    margin-inline: auto;
}

.as-site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(16px);
    background: rgba(5, 12, 23, 0.72);
    border-bottom: 1px solid var(--as-border);
}

.as-header-inner {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.as-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.as-brand-mark {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--as-primary-strong), var(--as-accent));
    box-shadow: var(--as-shadow);
}

.as-main-nav {
    display: flex;
    align-items: center;
    gap: 24px;
    color: var(--as-text-soft);
}

.as-main-nav a:hover,
.as-link-button:hover {
    color: var(--as-text);
}

.as-header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.as-button,
.as-link-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 18px;
    border-radius: 999px;
    font-weight: 600;
    transition: transform 0.2s ease, opacity 0.2s ease, background 0.2s ease;
}

.as-button:hover,
.as-link-button:hover {
    transform: translateY(-1px);
}

.as-button-primary {
    color: #fff;
    background: linear-gradient(135deg, var(--as-primary-strong), var(--as-accent));
    box-shadow: 0 14px 30px rgba(47, 134, 255, 0.28);
}

.as-button-secondary {
    border: 1px solid var(--as-border);
    background: rgba(255, 255, 255, 0.05);
}

.as-site-main {
    overflow: clip;
}

.as-hero,
.as-dashboard-hero {
    padding: 72px 0 36px;
}

.as-hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 36px;
    align-items: center;
}

.as-eyebrow {
    margin: 0 0 10px;
    color: var(--as-primary);
    font-size: 0.86rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.as-hero h1,
.as-dashboard-hero h1 {
    margin: 0 0 18px;
    font-size: clamp(2.5rem, 5vw, 4.8rem);
    line-height: 1.04;
    letter-spacing: -0.04em;
}

.as-hero-text {
    margin: 0;
    max-width: 680px;
    color: var(--as-text-soft);
    font-size: 1.06rem;
}

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

.as-hero-points {
    margin: 28px 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 10px;
    color: var(--as-text-soft);
}

.as-hero-points li::before {
    content: "•";
    color: var(--as-success);
    margin-right: 10px;
}

.as-glass-card,
.as-feature-card,
.as-surface-card,
.as-dashboard-card,
.as-cta-band {
    border: 1px solid var(--as-border);
    background: linear-gradient(180deg, rgba(255,255,255,0.09), rgba(255,255,255,0.04));
    box-shadow: var(--as-shadow);
}

.as-glass-card {
    padding: 28px;
    border-radius: 28px;
}

.as-glass-card-large {
    min-height: 340px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.as-card-badge,
.as-surface-tag,
.as-card-label {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    min-height: 30px;
    padding: 0 12px;
    border-radius: 999px;
    background: rgba(102, 178, 255, 0.12);
    color: var(--as-primary);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.as-glass-card h2,
.as-feature-card h3,
.as-surface-card h3,
.as-dashboard-card h2,
.as-cta-band h2 {
    margin: 14px 0 10px;
    line-height: 1.15;
}

.as-glass-card p,
.as-feature-card p,
.as-surface-card p,
.as-dashboard-card p,
.as-cta-band p {
    color: var(--as-text-soft);
}

.as-hero-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 22px;
}

.as-hero-stats span {
    padding: 10px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--as-border);
    color: var(--as-text);
    font-size: 0.92rem;
}

.as-section {
    padding: 32px 0 38px;
}

.as-section-dark {
    padding: 40px 0 48px;
}

.as-section-heading {
    margin-bottom: 24px;
}

.as-section-heading h2 {
    margin: 0;
    font-size: clamp(1.8rem, 3.4vw, 3rem);
    line-height: 1.12;
    letter-spacing: -0.03em;
}

.as-feature-grid,
.as-surface-grid,
.as-dashboard-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.as-feature-card,
.as-surface-card,
.as-dashboard-card {
    padding: 24px;
    border-radius: var(--as-radius);
}

.as-cta-band {
    border-radius: 28px;
    padding: 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.as-site-footer {
    margin-top: 32px;
    border-top: 1px solid var(--as-border);
    background: rgba(3, 9, 18, 0.65);
}

.as-footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 24px;
    padding: 40px 0 24px;
}

.as-site-footer h2,
.as-site-footer h3 {
    margin-top: 0;
}

.as-site-footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.as-site-footer li + li {
    margin-top: 8px;
}

.as-footer-bottom {
    padding: 0 0 24px;
    color: var(--as-text-soft);
}

@media (max-width: 1080px) {
    .as-hero-grid,
    .as-feature-grid,
    .as-surface-grid,
    .as-dashboard-grid,
    .as-footer-grid {
        grid-template-columns: 1fr;
    }

    .as-main-nav {
        display: none;
    }

    .as-cta-band {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 640px) {
    .as-header-inner {
        min-height: auto;
        padding: 14px 0;
        flex-wrap: wrap;
    }
    .as-header-actions {
        width: 100%;
        justify-content: flex-start;
    }
    .as-hero,
    .as-dashboard-hero {
        padding-top: 48px;
    }
    .as-feature-card,
    .as-surface-card,
    .as-dashboard-card,
    .as-glass-card,
    .as-cta-band {
        padding: 20px;
    }
}