/* ===== sellingvis.com DESIGN SYSTEM ===== */
/* ===== CSS Custom Properties ===== */
:root {
    --bg-deep: #06080D;
    --bg-dark: #0A0E17;
    --bg-card: #111827;
    --bg-light: #F8F9FC;
    --bg-white: #FFFFFF;
    --accent: #7C5CFC;
    --accent-hover: #6A4AE8;
    --accent-glow: rgba(124, 92, 252, 0.3);
    --cyan: #00D4FF;
    --cyan-glow: rgba(0, 212, 255, 0.3);
    --gold: #F0B90B;
    --gold-glow: rgba(240, 185, 11, 0.3);
    --text-dark: #1A1D26;
    --text-light: #E8E9F0;
    --text-muted: #6B7084;
    --text-dim: #9CA3AF;
    --border: rgba(255, 255, 255, 0.06);
    --border-light: #E5E7EB;
    --radius-sm: 10px;
    --radius: 16px;
    --radius-lg: 24px;
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.08), 0 4px 16px rgba(0, 0, 0, 0.04);
    --shadow-card-hover: 0 4px 12px rgba(0, 0, 0, 0.12), 0 8px 32px rgba(0, 0, 0, 0.08);
    --shadow-glow: 0 0 40px rgba(124, 92, 252, 0.15);
    --font-heading: 'Space Grotesk', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
}

/* ===== Reset ===== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background: var(--bg-deep);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
    color-scheme: dark;
}

/* Override for light sections: prevent dark-mode color overrides */
.section--light,
.section--light * {
    color-scheme: light;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
}

/* ===== STARFIELD CANVAS ===== */
#starfield {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.7;
}

/* ===== NAVIGATION ===== */
.nav {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    width: calc(100% - 32px);
    max-width: 1280px;
    background: rgba(10, 14, 23, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 100px;
    padding: 0 8px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.3s ease;
}

.nav.scrolled {
    background: rgba(10, 14, 23, 0.92);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-light);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: -0.02em;
    padding-left: 8px;
}

.nav__logo-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: conic-gradient(from 0deg, var(--accent), var(--cyan), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.nav__links {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
}

.nav__links a {
    text-decoration: none;
    color: var(--text-dim);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 100px;
    transition: all 0.2s ease;
}

.nav__links a:hover,
.nav__links a.active {
    color: var(--text-light);
    background: rgba(255, 255, 255, 0.06);
}

.nav__cta {
    background: var(--accent) !important;
    color: #fff !important;
    font-weight: 600 !important;
}

.nav__cta:hover {
    background: var(--accent-hover) !important;
    box-shadow: 0 0 20px var(--accent-glow);
}

.nav__burger {
    display: none;
    background: none;
    border: none;
    color: var(--text-light);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 4px 12px;
}

.nav__mobile {
    display: none;
    position: fixed;
    top: 80px;
    left: 16px;
    right: 16px;
    background: rgba(10, 14, 23, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    z-index: 999;
    flex-direction: column;
    gap: 8px;
}

.nav__mobile.active {
    display: flex;
}

.nav__mobile a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    transition: background 0.2s;
}

.nav__mobile a:hover {
    background: rgba(255, 255, 255, 0.06);
}

/* ===== TOP AD BANNER ===== */
.top-ad {
    position: relative;
    z-index: 1;
    margin-top: 88px;
    padding: 12px 24px 0;
    display: flex;
    justify-content: center;
}
.top-ad__inner {
    width: 728px;
    max-width: 100%;
    height: 90px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.2);
    font-size: 0.7rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

/* ===== COMPACT HERO ===== */
.hero-compact {
    position: relative;
    z-index: 1;
    padding: 48px 24px 40px;
    text-align: center;
    overflow: hidden;
    min-height: 360px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-compact__video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    pointer-events: none;
}
.hero-compact__video-overlay {
    position: absolute;
    inset: 0;
    background: rgba(6, 8, 13, 0.55);
    z-index: 0;
    pointer-events: none;
}
.hero-compact__orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(50px);
    pointer-events: none;
    animation: float 8s ease-in-out infinite;
}
.hero-compact__orb--1 {
    width: 140px; height: 140px;
    background: rgba(124, 92, 252, 0.1);
    top: -30px; right: -30px;
    animation-delay: -3s;
}
.hero-compact__orb--2 {
    width: 100px; height: 100px;
    background: rgba(0, 212, 255, 0.08);
    bottom: -20px; left: 5%;
    animation-delay: -6s;
}
.hero-compact__content {
    position: relative;
    z-index: 2;
    max-width: 720px;
    margin: 0 auto;
}
.hero-compact__title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: #fff;
    margin-bottom: 12px;
    position: relative;
}
.hero-compact__title::after {
    content: attr(data-text);
    position: absolute; inset: 0;
    color: var(--accent);
    filter: blur(30px);
    opacity: 0.4;
    z-index: -1;
    pointer-events: none;
}
.hero-compact__subtitle {
    font-size: 1rem;
    color: var(--text-dim);
    max-width: 480px;
    margin: 0 auto;
    line-height: 1.5;
}

/* ===== SPACE IMAGES (Pure CSS Art — No External Dependencies) ===== */
.img-fallback {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    overflow: hidden;
}

/* Black Hole: glowing orange/gold accretion disk around dark center */
.img-fallback--bh {
    background:
        radial-gradient(circle at 50% 50%, #000000 0%, #0a0015 8%, #1a0a2e 20%, transparent 35%),
        radial-gradient(ellipse 120% 15% at 50% 52%, rgba(240,180,20,0.7) 0%, rgba(240,150,20,0.3) 30%, rgba(240,100,10,0.08) 60%, transparent 80%),
        radial-gradient(circle at 50% 50%, rgba(255,200,50,0.15) 0%, transparent 40%),
        radial-gradient(1px 1px at 15% 20%, rgba(255,255,255,0.9) 0%, transparent 100%),
        radial-gradient(1px 1px at 85% 25%, rgba(255,255,255,0.7) 0%, transparent 100%),
        radial-gradient(1px 1px at 30% 70%, rgba(255,255,255,0.8) 0%, transparent 100%),
        radial-gradient(1px 1px at 70% 75%, rgba(255,255,255,0.6) 0%, transparent 100%),
        radial-gradient(1px 1px at 50% 15%, rgba(255,255,255,0.9) 0%, transparent 100%),
        radial-gradient(1px 1px at 10% 50%, rgba(255,255,255,0.5) 0%, transparent 100%),
        radial-gradient(1px 1px at 90% 60%, rgba(255,255,255,0.7) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 60% 35%, rgba(200,220,255,0.9) 0%, transparent 100%),
        radial-gradient(1px 1px at 25% 40%, rgba(255,255,255,0.4) 0%, transparent 100%),
        radial-gradient(1px 1px at 75% 15%, rgba(255,255,255,0.8) 0%, transparent 100%),
        linear-gradient(180deg, #0a0515 0%, #0d0a20 30%, #0a0518 60%, #050510 100%);
}

/* Nebula: colorful cosmic clouds of gas */
.img-fallback--nb {
    background:
        radial-gradient(ellipse 40% 50% at 25% 35%, rgba(120,40,180,0.5) 0%, transparent 70%),
        radial-gradient(ellipse 30% 40% at 70% 45%, rgba(0,140,200,0.5) 0%, transparent 70%),
        radial-gradient(ellipse 35% 35% at 50% 60%, rgba(200,60,100,0.35) 0%, transparent 70%),
        radial-gradient(ellipse 20% 30% at 40% 30%, rgba(255,180,220,0.3) 0%, transparent 60%),
        radial-gradient(1px 1px at 20% 15%, rgba(255,255,255,0.9) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 55% 25%, rgba(255,255,255,0.8) 0%, transparent 100%),
        radial-gradient(1px 1px at 75% 35%, rgba(255,255,255,0.7) 0%, transparent 100%),
        radial-gradient(1px 1px at 35% 55%, rgba(255,255,255,0.9) 0%, transparent 100%),
        radial-gradient(1px 1px at 60% 70%, rgba(255,255,255,0.6) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 85% 15%, rgba(200,220,255,0.8) 0%, transparent 100%),
        radial-gradient(1px 1px at 15% 75%, rgba(255,255,255,0.5) 0%, transparent 100%),
        radial-gradient(1px 1px at 45% 80%, rgba(255,255,255,0.7) 0%, transparent 100%),
        radial-gradient(1px 1px at 90% 55%, rgba(255,255,255,0.9) 0%, transparent 100%),
        linear-gradient(180deg, #050510 0%, #0a0520 50%, #050515 100%);
}

/* Deep Field: Hubble-style scattered galaxies */
.img-fallback--df {
    background:
        radial-gradient(ellipse 60% 30% at 50% 50%, rgba(30,20,60,0.4) 0%, transparent 70%),
        radial-gradient(3px 3px at 20% 25%, rgba(200,180,255,0.8) 0%, transparent 100%),
        radial-gradient(2px 2px at 60% 30%, rgba(255,220,180,0.7) 0%, transparent 100%),
        radial-gradient(4px 4px at 45% 55%, rgba(180,200,255,0.6) 0%, transparent 100%),
        radial-gradient(2px 2px at 75% 40%, rgba(255,255,220,0.8) 0%, transparent 100%),
        radial-gradient(3px 3px at 30% 65%, rgba(220,200,255,0.7) 0%, transparent 100%),
        radial-gradient(1px 1px at 10% 15%, rgba(255,255,255,0.9) 0%, transparent 100%),
        radial-gradient(1px 1px at 85% 20%, rgba(255,255,255,0.6) 0%, transparent 100%),
        radial-gradient(1px 1px at 40% 15%, rgba(255,255,255,0.8) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 55% 75%, rgba(255,255,255,0.7) 0%, transparent 100%),
        radial-gradient(1px 1px at 70% 60%, rgba(255,255,255,0.5) 0%, transparent 100%),
        radial-gradient(1px 1px at 15% 45%, rgba(255,255,255,0.9) 0%, transparent 100%),
        radial-gradient(1px 1px at 90% 70%, rgba(255,255,255,0.6) 0%, transparent 100%),
        radial-gradient(2px 2px at 25% 80%, rgba(200,255,220,0.6) 0%, transparent 100%),
        radial-gradient(1px 1px at 50% 85%, rgba(255,255,255,0.8) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 80% 10%, rgba(255,200,200,0.7) 0%, transparent 100%),
        linear-gradient(180deg, #020208 0%, #050810 50%, #020208 100%);
}

/* Galaxy: spiral structure */
.img-fallback--gl {
    background:
        radial-gradient(ellipse 70% 25% at 50% 50%, rgba(100,140,220,0.25) 0%, rgba(60,100,180,0.1) 40%, transparent 65%),
        radial-gradient(circle at 50% 50%, rgba(255,255,255,0.15) 0%, rgba(200,200,255,0.05) 25%, transparent 50%),
        radial-gradient(1.5px 1.5px at 50% 50%, rgba(255,255,255,0.95) 0%, transparent 100%),
        radial-gradient(1px 1px at 15% 20%, rgba(255,255,255,0.7) 0%, transparent 100%),
        radial-gradient(1px 1px at 80% 15%, rgba(255,255,255,0.8) 0%, transparent 100%),
        radial-gradient(1px 1px at 30% 75%, rgba(255,255,255,0.6) 0%, transparent 100%),
        radial-gradient(1px 1px at 70% 80%, rgba(255,255,255,0.7) 0%, transparent 100%),
        radial-gradient(1px 1px at 60% 20%, rgba(200,220,255,0.9) 0%, transparent 100%),
        radial-gradient(1px 1px at 25% 35%, rgba(255,255,255,0.5) 0%, transparent 100%),
        radial-gradient(1px 1px at 85% 55%, rgba(255,255,255,0.8) 0%, transparent 100%),
        radial-gradient(1px 1px at 10% 60%, rgba(255,255,255,0.6) 0%, transparent 100%),
        radial-gradient(1px 1px at 40% 85%, rgba(255,255,255,0.7) 0%, transparent 100%),
        radial-gradient(1px 1px at 55% 10%, rgba(255,255,255,0.9) 0%, transparent 100%),
        linear-gradient(180deg, #030510 0%, #0a0a25 50%, #030510 100%);
}

/* Exoplanet: planet with atmosphere glow */
.img-fallback--ex {
    background:
        radial-gradient(circle at 65% 45%, rgba(40,120,200,0.3) 0%, rgba(20,80,160,0.5) 30%, rgba(10,40,100,0.6) 50%, transparent 70%),
        radial-gradient(circle at 60% 40%, rgba(100,200,255,0.2) 0%, transparent 25%),
        radial-gradient(circle at 35% 50%, rgba(10,20,40,0.7) 0%, transparent 30%),
        radial-gradient(2px 2px at 10% 20%, rgba(255,255,255,0.9) 0%, transparent 100%),
        radial-gradient(1px 1px at 40% 15%, rgba(255,255,255,0.7) 0%, transparent 100%),
        radial-gradient(1px 1px at 85% 30%, rgba(255,255,255,0.8) 0%, transparent 100%),
        radial-gradient(1px 1px at 20% 70%, rgba(255,255,255,0.6) 0%, transparent 100%),
        radial-gradient(1px 1px at 75% 80%, rgba(255,255,255,0.7) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 55% 75%, rgba(200,220,255,0.8) 0%, transparent 100%),
        radial-gradient(1px 1px at 15% 40%, rgba(255,255,255,0.5) 0%, transparent 100%),
        radial-gradient(1px 1px at 90% 10%, rgba(255,255,255,0.9) 0%, transparent 100%),
        linear-gradient(180deg, #030810 0%, #050d20 50%, #020810 100%);
}

/* Cosmology: cosmic microwave background / web pattern */
.img-fallback--cs {
    background:
        radial-gradient(ellipse 50% 40% at 30% 40%, rgba(200,150,50,0.35) 0%, transparent 60%),
        radial-gradient(ellipse 40% 35% at 65% 55%, rgba(100,80,200,0.3) 0%, transparent 60%),
        radial-gradient(ellipse 50% 30% at 50% 30%, rgba(200,100,80,0.2) 0%, transparent 60%),
        radial-gradient(1px 1px at 10% 10%, rgba(255,255,255,0.8) 0%, transparent 100%),
        radial-gradient(1px 1px at 50% 20%, rgba(255,255,255,0.6) 0%, transparent 100%),
        radial-gradient(1px 1px at 85% 15%, rgba(255,255,255,0.7) 0%, transparent 100%),
        radial-gradient(1px 1px at 30% 50%, rgba(255,255,255,0.9) 0%, transparent 100%),
        radial-gradient(1px 1px at 70% 60%, rgba(255,255,255,0.5) 0%, transparent 100%),
        radial-gradient(1.5px 1.5px at 45% 75%, rgba(200,220,255,0.8) 0%, transparent 100%),
        radial-gradient(1px 1px at 15% 80%, rgba(255,255,255,0.7) 0%, transparent 100%),
        radial-gradient(1px 1px at 80% 40%, rgba(255,255,255,0.8) 0%, transparent 100%),
        radial-gradient(1px 1px at 55% 45%, rgba(255,255,255,0.6) 0%, transparent 100%),
        radial-gradient(1px 1px at 25% 25%, rgba(255,255,255,0.9) 0%, transparent 100%),
        radial-gradient(1px 1px at 90% 80%, rgba(255,255,255,0.5) 0%, transparent 100%),
        radial-gradient(1px 1px at 60% 5%, rgba(255,255,255,0.7) 0%, transparent 100%),
        linear-gradient(180deg, #050308 0%, #0a0515 50%, #050308 100%);
}

/* Image container wrappers replace <img> tags for reliability */
.featured-card__img-wrap,
.trending-card__img,
.topic-card__img {
    position: relative;
    overflow: hidden;
}
.featured-card__img-wrap {
    height: 220px;
}
.trending-card__img {
    height: 200px;
}
.topic-card__img {
    position: absolute;
    inset: 0;
}

/* ===== HERO (Homepage) ===== */
.hero {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 50% 40%, rgba(124, 92, 252, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse 40% 50% at 20% 80%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse 30% 40% at 80% 20%, rgba(240, 185, 11, 0.04) 0%, transparent 50%);
    pointer-events: none;
}

.hero__orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    pointer-events: none;
    animation: float 8s ease-in-out infinite;
}

.hero__orb--1 {
    width: 200px;
    height: 200px;
    background: rgba(124, 92, 252, 0.12);
    top: 15%;
    left: 10%;
    animation-delay: 0s;
}

.hero__orb--2 {
    width: 160px;
    height: 160px;
    background: rgba(0, 212, 255, 0.1);
    top: 55%;
    right: 8%;
    animation-delay: -3s;
}

.hero__orb--3 {
    width: 120px;
    height: 120px;
    background: rgba(240, 185, 11, 0.08);
    bottom: 20%;
    left: 30%;
    animation-delay: -5s;
}

.hero__content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero__badge {
    display: inline-block;
    padding: 6px 16px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--cyan);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 32px;
    animation: breathe 3s ease-in-out infinite;
}

.hero__title {
    font-family: var(--font-heading);
    font-size: clamp(2.8rem, 6vw, 5rem);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.03em;
    color: #fff;
    margin-bottom: 24px;
    position: relative;
}

.hero__title::after {
    content: attr(data-text);
    position: absolute;
    inset: 0;
    color: var(--accent);
    filter: blur(40px);
    opacity: 0.5;
    z-index: -1;
    pointer-events: none;
}

.hero__subtitle {
    font-size: 1.15rem;
    color: var(--text-dim);
    max-width: 560px;
    margin: 0 auto 40px;
    line-height: 1.6;
    font-weight: 400;
}

.hero__actions {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero__scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-dim);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    animation: bounce 2s ease-in-out infinite;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.hero__scroll::after {
    content: '';
    width: 1px;
    height: 32px;
    background: linear-gradient(to bottom, var(--text-dim), transparent);
}

/* ===== PAGE HERO (Inner Pages) ===== */
.page-hero {
    position: relative;
    z-index: 1;
    padding: 140px 24px 72px;
    text-align: center;
    overflow: hidden;
    background:
        radial-gradient(ellipse 60% 50% at 50% 50%, rgba(124, 92, 252, 0.06) 0%, transparent 60%);
}

.page-hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.page-hero p {
    color: var(--text-dim);
    max-width: 560px;
    margin: 0 auto;
    font-size: 1.05rem;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 100px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.25s ease;
}

.btn--primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn--primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 6px 30px var(--accent-glow);
    transform: translateY(-1px);
}

.btn--outline {
    background: transparent;
    color: var(--text-light);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn--outline:hover {
    border-color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.04);
}

.btn--sm {
    padding: 8px 18px;
    font-size: 0.82rem;
}

/* ===== SECTIONS ===== */
.section {
    position: relative;
    z-index: 1;
    padding: 100px 24px;
}

.section--dark {
    background: var(--bg-dark);
}

.section--light {
    background: var(--bg-light);
    color: var(--text-dark);
}

.section__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 64px;
}

.section__label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 12px;
}

.section--light .section__label {
    color: var(--accent);
}

.section__title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    line-height: 1.2;
}

.section__subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.section--light .section__subtitle {
    color: #6B7280;
}

.container {
    max-width: 1240px;
    margin: 0 auto;
    width: 100%;
}

.container--narrow {
    max-width: 800px;
}

/* ===== FEATURED CARDS ===== */
.featured-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.featured-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all 0.35s ease;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    cursor: pointer;
    border: 1px solid var(--border-light);
}

.featured-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-card-hover);
}

.featured-card__image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    background: #E5E7EB;
}

.featured-card__body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.featured-card__category {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--accent);
}

.featured-card__title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    line-height: 1.35;
    color: var(--text-dark);
}

.featured-card__excerpt {
    font-size: 0.9rem;
    color: #6B7280;
    line-height: 1.55;
    flex: 1;
}

.featured-card__meta {
    font-size: 0.8rem;
    color: #9CA3AF;
    display: flex;
    gap: 16px;
}

/* ===== TOPIC CARDS ===== */
.topics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.topic-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 380px;
    text-decoration: none;
    color: #fff;
    cursor: pointer;
    transition: all 0.35s ease;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.topic-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.topic-card__bg {
    position: absolute;
    inset: 0;
    object-fit: cover;
    width: 100%;
    height: 100%;
    transition: transform 0.5s ease;
}

.topic-card:hover .topic-card__bg {
    transform: scale(1.06);
}

.topic-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(6, 8, 13, 0.95) 0%, rgba(6, 8, 13, 0.4) 40%, rgba(6, 8, 13, 0.1) 100%);
    z-index: 1;
}

.topic-card__content {
    position: relative;
    z-index: 2;
    padding: 28px;
}

.topic-card__count {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--cyan);
    margin-bottom: 8px;
}

.topic-card__title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.2;
}

.topic-card__desc {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.45;
    margin-bottom: 14px;
}

.topic-card__articles {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.5);
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.topic-card__articles li::before {
    content: '\2014\a0';
    color: rgba(255, 255, 255, 0.25);
}

/* ===== TRENDING CARDS ===== */
.trending-scroll {
    display: flex;
    gap: 20px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 12px;
    scrollbar-width: none;
}

.trending-scroll::-webkit-scrollbar {
    display: none;
}

.trending-card {
    flex: 0 0 340px;
    scroll-snap-align: start;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
}

.trending-card:hover {
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

.trending-card__image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.trending-card__body {
    padding: 20px;
}

.trending-card__category {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--accent);
    margin-bottom: 8px;
}

.trending-card__title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.35;
    color: var(--text-light);
}

.trending-card__date {
    font-size: 0.8rem;
    color: var(--text-dim);
}

/* ===== DEEP DIVE CARDS ===== */
.deep-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.deep-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    border: 1px solid var(--border-light);
}

.deep-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

.deep-card__image-wrap {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.deep-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.deep-card:hover .deep-card__image {
    transform: scale(1.05);
}

.deep-card__badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(8px);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 5px 12px;
    border-radius: 100px;
    letter-spacing: 0.04em;
}

.deep-card__body {
    padding: 22px;
}

.deep-card__title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.35;
    color: var(--text-dark);
}

.deep-card__excerpt {
    font-size: 0.88rem;
    color: #6B7280;
    line-height: 1.5;
    margin-bottom: 14px;
}

.deep-card__meta {
    font-size: 0.78rem;
    color: #9CA3AF;
}

/* ===== CATEGORY LISTING ===== */
.category-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.category-list__item {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 20px 24px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: flex;
    gap: 16px;
    align-items: center;
}

.category-list__item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-card-hover);
}

.category-list__image {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    flex-shrink: 0;
}

.category-list__info h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 4px;
}

.category-list__info p {
    font-size: 0.85rem;
    color: #6B7280;
    line-height: 1.4;
}

.category-list__count {
    font-size: 0.75rem;
    color: var(--accent);
    font-weight: 600;
    margin-top: 4px;
}

/* ===== ARTICLE FULL ===== */
.article-full {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 56px;
    align-items: start;
}

.article-full__main {
    min-width: 0;
}

.article-full__hero {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    margin-bottom: 32px;
}

.article-full__category {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    margin-bottom: 12px;
    display: block;
}

.article-full h2 {
    font-family: var(--font-heading);
    font-size: 2.4rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--text-dark);
    letter-spacing: -0.02em;
}

.article-full__byline {
    display: flex;
    gap: 16px;
    font-size: 0.85rem;
    color: #6B7280;
    margin-bottom: 32px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-light);
    flex-wrap: wrap;
}

.article-full__body {
    font-size: 1.05rem;
    line-height: 1.75;
    color: #374151;
}

.article-full__body h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin: 36px 0 14px;
    letter-spacing: -0.01em;
}

.article-full__body h4 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin: 28px 0 10px;
}

.article-full__body p {
    margin-bottom: 18px;
}

.article-full__body p.lead {
    font-size: 1.2rem;
    color: #4B5563;
    line-height: 1.7;
}

.article-full__body blockquote {
    border-left: 3px solid var(--accent);
    margin: 28px 0;
    padding: 16px 24px;
    background: #F3F4F6;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-style: italic;
    color: #4B5563;
}

.article-full__body ul,
.article-full__body ol {
    margin: 0 0 18px 24px;
}

.article-full__body li {
    margin-bottom: 8px;
}

/* ===== FACTS SIDEBAR ===== */
.facts-card {
    background: var(--bg-dark);
    border-radius: var(--radius-lg);
    padding: 28px;
    color: var(--text-light);
    position: sticky;
    top: 100px;
}

.facts-card__title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.fact-item {
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
}

.fact-item:last-child {
    border-bottom: none;
}

.fact-item__value {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--cyan);
    line-height: 1;
    margin-bottom: 4px;
}

.fact-item__label {
    font-size: 0.8rem;
    color: var(--text-dim);
    line-height: 1.35;
}

/* ===== RELATED ARTICLES SIDEBAR ===== */
.related-sidebar {
    position: sticky;
    top: 100px;
}

.related-sidebar__title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.related-item {
    display: flex;
    gap: 12px;
    padding: 14px 0;
    border-bottom: 1px solid var(--border-light);
    text-decoration: none;
    color: inherit;
    transition: all 0.2s;
}

.related-item:hover {
    color: var(--accent);
}

.related-item__image {
    width: 80px;
    height: 60px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
}

.related-item__info h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.3;
    margin-bottom: 4px;
}

.related-item__info span {
    font-size: 0.75rem;
    color: #9CA3AF;
}

/* fallback when __info wrapper is missing */
.related-item__title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.3;
    flex: 1;
}

.related-item__meta {
    font-size: 0.75rem;
    color: #9CA3AF;
    flex-shrink: 0;
}

/* ===== BREADCRUMB ===== */
.breadcrumb {
    display: flex;
    gap: 8px;
    list-style: none;
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--accent);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb li+li::before {
    content: '/';
    margin-right: 8px;
    color: #9CA3AF;
}

/* ===== CONTENT PAGE (Legal, About, Contact) ===== */
.content-page {
    max-width: 800px;
    margin: 0 auto;
}

.content-page h2 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--text-dark);
    margin: 36px 0 14px;
}

.content-page h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin: 28px 0 10px;
}

.content-page p {
    font-size: 1rem;
    color: #4B5563;
    line-height: 1.7;
    margin-bottom: 16px;
}

.content-page ul,
.content-page ol {
    margin: 0 0 16px 24px;
    color: #4B5563;
    line-height: 1.7;
}

.content-page li {
    margin-bottom: 8px;
}

.content-page a {
    color: var(--accent);
}

/* ===== CONTACT FORM ===== */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-form__group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.contact-form__group input,
.contact-form__group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
    background: var(--bg-white);
    color: var(--text-dark);
    transition: border-color 0.3s;
    outline: none;
}

.contact-form__group input:focus,
.contact-form__group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(124, 92, 252, 0.1);
}

.contact-form__group textarea {
    min-height: 140px;
    resize: vertical;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 48px;
}

.contact-info__card {
    text-align: center;
    padding: 28px 20px;
    background: var(--bg-white);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
}

.contact-info__icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.contact-info__card h3 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.contact-info__card p {
    font-size: 0.9rem;
    color: #6B7280;
}

/* ===== ABOUT PAGE ===== */
.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 48px 0;
}

.about-stat {
    text-align: center;
    padding: 28px 16px;
    background: var(--bg-white);
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
}

.about-stat__value {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 6px;
}

.about-stat__label {
    font-size: 0.85rem;
    color: #6B7280;
}

/* ===== NEWSLETTER ===== */
.newsletter {
    position: relative;
    background: var(--bg-dark);
    text-align: center;
    padding: 100px 24px;
    overflow: hidden;
    z-index: 1;
}

.newsletter__glow {
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(124, 92, 252, 0.12) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.newsletter__content {
    position: relative;
    z-index: 1;
    max-width: 520px;
    margin: 0 auto;
}

.newsletter h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.newsletter p {
    color: var(--text-dim);
    margin-bottom: 32px;
    font-size: 1rem;
}

.newsletter__form {
    display: flex;
    gap: 10px;
    max-width: 440px;
    margin: 0 auto;
}

.newsletter__input {
    flex: 1;
    padding: 14px 20px;
    border-radius: 100px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.3s;
}

.newsletter__input:focus {
    border-color: var(--accent);
}

.newsletter__input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

/* ===== AD PLACEHOLDER ===== */
.ad-placeholder {
    max-width: 1240px;
    margin: 0 auto 80px;
    display: flex;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.ad-placeholder__inner {
    width: 728px;
    max-width: 100%;
    height: 90px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px dashed rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.2);
    font-size: 0.75rem;
    letter-spacing: 0.04em;
}

/* ===== 404 PAGE ===== */
.page-404 {
    text-align: center;
    padding: 160px 24px 100px;
}

.page-404__code {
    font-family: var(--font-heading);
    font-size: 8rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 16px;
    position: relative;
}

.page-404__code::after {
    content: attr(data-text);
    position: absolute;
    inset: 0;
    color: var(--accent);
    filter: blur(30px);
    opacity: 0.5;
    z-index: -1;
}

.page-404 h2 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    margin-bottom: 12px;
}

.page-404 p {
    color: var(--text-dim);
    margin-bottom: 32px;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-deep);
    padding: 64px 24px 40px;
    position: relative;
    z-index: 1;
    border-top: 1px solid var(--border);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    max-width: 1240px;
    margin: 0 auto 48px;
}

.footer__brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.footer__brand-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: conic-gradient(from 0deg, var(--accent), var(--cyan), var(--accent));
    flex-shrink: 0;
}

.footer__brand-name {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.05rem;
}

.footer__tagline {
    color: var(--text-dim);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 20px;
}

.footer__col-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.footer__links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer__links a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer__links a:hover {
    color: var(--text-light);
}

.footer__bottom {
    max-width: 1240px;
    margin: 0 auto;
    padding-top: 28px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
    color: var(--text-dim);
    flex-wrap: wrap;
    gap: 12px;
}

/* ===== ANIMATIONS ===== */
@keyframes float {
    0%,
    100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes breathe {
    0%,
    100% {
        opacity: 0.7;
    }
    50% {
        opacity: 1;
    }
}

@keyframes bounce {
    0%,
    100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(8px);
    }
    60% {
        transform: translateX(-50%) translateY(4px);
    }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .featured-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .topics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .deep-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .article-full {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .facts-card,
    .related-sidebar {
        position: static;
    }
    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .category-list {
        grid-template-columns: 1fr;
    }
    .about-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    .contact-info {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav__links {
        display: none;
    }
    .nav__burger {
        display: block;
    }
    .top-ad {
        margin-top: 76px;
        padding: 8px 12px 0;
    }
    .top-ad__inner {
        height: 60px;
    }
    .hero-compact {
        padding: 32px 20px 28px;
    }
    .hero-compact__title {
        font-size: 1.6rem;
    }
    .hero__title {
        font-size: 2.2rem;
    }
    .page-hero h1 {
        font-size: 1.8rem;
    }
    .hero__subtitle {
        font-size: 1rem;
    }
    .featured-grid {
        grid-template-columns: 1fr;
    }
    .topics-grid {
        grid-template-columns: 1fr;
    }
    .deep-grid {
        grid-template-columns: 1fr;
    }
    .newsletter__form {
        flex-direction: column;
    }
    .trending-card {
        flex: 0 0 280px;
    }
    .footer__grid {
        grid-template-columns: 1fr;
    }
    .footer__bottom {
        flex-direction: column;
        text-align: center;
    }
    .section {
        padding: 60px 20px;
    }
    .article-full h2 {
        font-size: 1.7rem;
    }
    .article-full__hero {
        height: 240px;
    }
    .category-list {
        grid-template-columns: 1fr;
    }
    .about-stats {
        grid-template-columns: 1fr;
    }
    .page-404__code {
        font-size: 5rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 100px 16px 60px;
    }
    .hero__title {
        font-size: 1.75rem;
    }
    .hero__actions {
        flex-direction: column;
        align-items: center;
    }
    .featured-card__image {
        height: 180px;
    }
    .topic-card {
        height: 300px;
    }
    .trending-card {
        flex: 0 0 260px;
    }
}