/* WhyItTV - Refined Stylesheet
   Dark editorial neon aesthetic
   Context over hype. Relevance over noise.
*/

/* ===== CSS Variables ===== */
:root {
    /* Brand Colors */
    --color-red: #E63946;
    --color-red-bright: #ff4757;
    --color-red-glow: rgba(230, 57, 70, 0.5);
    --color-blue: #1D3557;
    --color-blue-light: #457B9D;
    --color-blue-glow: rgba(69, 123, 157, 0.5);
    
    /* Neon accents */
    --color-neon-green: #39ff14;
    --color-neon-green-glow: rgba(57, 255, 20, 0.3);
    
    /* Backgrounds - true dark, no white */
    --color-bg-deep: #050508;
    --color-bg-dark: #0a0a0f;
    --color-bg-card: #0f0f16;
    --color-bg-elevated: #151520;
    --color-bg-surface: #1a1a26;
    
    /* Text */
    --color-text-primary: #f0f0f5;
    --color-text-secondary: #9999aa;
    --color-text-muted: #666677;
    
    /* Typography */
    --font-display: 'Bebas Neue', sans-serif;
    --font-body: 'Source Sans 3', -apple-system, sans-serif;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 10rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* ===== Reset & Base ===== */
*, *::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);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-deep);
    overflow-x: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.1;
    letter-spacing: 0.02em;
}

/* ===== Layout ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section {
    padding: var(--space-3xl) 0;
    position: relative;
}

/* ===== Navigation ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(5, 5, 8, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-md) var(--space-lg);
}

.nav-logo-img {
    height: 50px;
    width: auto;
    filter: drop-shadow(0 0 10px var(--color-red-glow));
}

.nav-links {
    display: flex;
    gap: var(--space-xl);
}

.nav-link {
    font-family: var(--font-display);
    font-size: 1.125rem;
    letter-spacing: 0.08em;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-red);
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--color-text-primary);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-social {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
    padding: var(--space-xs);
}

.social-link:hover {
    color: var(--color-red);
    filter: drop-shadow(0 0 8px var(--color-red-glow));
}

.nav-mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.nav-mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: var(--transition-base);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--space-3xl) var(--space-lg);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: var(--color-bg-deep);
    z-index: -2;
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    z-index: -1;
    animation: pulse-glow 8s ease-in-out infinite;
}

.hero-glow-1 {
    width: 600px;
    height: 600px;
    background: var(--color-red-glow);
    top: 10%;
    left: -10%;
    animation-delay: 0s;
}

.hero-glow-2 {
    width: 500px;
    height: 500px;
    background: var(--color-blue-glow);
    bottom: 10%;
    right: -10%;
    animation-delay: 4s;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.1); }
}

.hero-content {
    max-width: 900px;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-brand {
    margin-bottom: var(--space-xl);
}

.hero-logo {
    height: 120px;
    width: auto;
    margin: 0 auto;
    filter: drop-shadow(0 0 30px var(--color-red-glow));
    animation: logo-glow 3s ease-in-out infinite;
}

@keyframes logo-glow {
    0%, 100% { filter: drop-shadow(0 0 30px var(--color-red-glow)); }
    50% { filter: drop-shadow(0 0 50px var(--color-red-glow)) drop-shadow(0 0 20px var(--color-blue-glow)); }
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    margin-bottom: var(--space-lg);
    line-height: 1.05;
}

.hero-title-line {
    display: block;
}

.hero-title-line.accent {
    color: var(--color-red);
    text-shadow: 0 0 60px var(--color-red-glow);
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto var(--space-lg);
    line-height: 1.8;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(230, 57, 70, 0.1);
    border: 1px solid rgba(230, 57, 70, 0.3);
    border-radius: var(--radius-xl);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-red);
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xl);
}

.badge-pulse {
    width: 8px;
    height: 8px;
    background: var(--color-red);
    border-radius: 50%;
    animation: badge-pulse 2s ease-in-out infinite;
}

@keyframes badge-pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--color-red-glow); }
    50% { opacity: 0.8; box-shadow: 0 0 0 8px transparent; }
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    font-family: var(--font-display);
    font-size: 1.125rem;
    letter-spacing: 0.05em;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-primary {
    background: var(--color-red);
    color: white;
    box-shadow: 0 0 20px var(--color-red-glow);
}

.btn-primary:hover {
    background: var(--color-red-bright);
    transform: translateY(-2px);
    box-shadow: 0 10px 40px var(--color-red-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--color-text-muted);
}

.btn-secondary:hover {
    border-color: var(--color-text-primary);
    background: rgba(255, 255, 255, 0.03);
}

/* ===== Section Headers ===== */
.section-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.section-label {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-red);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: var(--space-sm);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: var(--space-md);
}

.section-description {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    max-width: 650px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ===== Format System Section ===== */
.system-section {
    background: var(--color-bg-dark);
}

.format-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-md);
}

.format-card {
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.format-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-red), var(--color-blue-light));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.format-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.format-card:hover::before {
    opacity: 1;
}

.format-number {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--color-red);
    opacity: 0.4;
    margin-bottom: var(--space-sm);
}

.format-title {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
}

.format-description {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* ===== Latest Topic Section ===== */
.latest-topic {
    background: var(--color-bg-deep);
}

.topic-feature {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.topic-feature-image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.topic-feature-image img {
    width: 100%;
    height: auto;
    display: block;
}

.topic-feature-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, var(--color-neon-green-glow) 0%, transparent 70%);
    opacity: 0.3;
    pointer-events: none;
}

.topic-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-neon-green);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-sm);
    text-shadow: 0 0 10px var(--color-neon-green-glow);
}

.topic-feature-title {
    font-size: clamp(3rem, 8vw, 5rem);
    margin-bottom: var(--space-md);
    text-shadow: 0 0 40px var(--color-red-glow);
}

.topic-feature-subtitle {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.topic-formats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.format-tag {
    padding: var(--space-xs) var(--space-sm);
    background: var(--color-bg-surface);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-muted);
}

/* ===== Coming Up Section ===== */
.coming-up {
    background: var(--color-bg-card);
}

.upcoming-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.upcoming-card {
    background: var(--color-bg-elevated);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

.upcoming-card:first-child {
    border-color: rgba(230, 57, 70, 0.3);
}

.upcoming-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.08);
}

.upcoming-card-future {
    opacity: 0.6;
}

.upcoming-number {
    font-family: var(--font-display);
    font-size: 3rem;
    color: var(--color-red);
    opacity: 0.3;
    line-height: 1;
}

.upcoming-title {
    font-size: 2rem;
    margin: var(--space-sm) 0;
}

.upcoming-description {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* ===== Countdown ===== */
.countdown-container {
    text-align: center;
}

.countdown-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
}

.countdown {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--color-bg-dark);
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.countdown-item {
    text-align: center;
    min-width: 60px;
}

.countdown-value {
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--color-red);
    line-height: 1;
    text-shadow: 0 0 20px var(--color-red-glow);
}

.countdown-unit {
    font-size: 0.6875rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.countdown-separator {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--color-text-muted);
    opacity: 0.3;
}

/* ===== Promise Section ===== */
.promise-section {
    background: linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-bg-deep) 100%);
}

.promise-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.promise-title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: var(--space-md);
}

.promise-intro {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

.promise-grid {
    display: grid;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    text-align: left;
}

.promise-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    border-left: 2px solid var(--color-red);
}

.promise-number {
    font-family: var(--font-display);
    font-size: 1.25rem;
    color: var(--color-red);
    opacity: 0.6;
    min-width: 30px;
}

.promise-item p {
    color: var(--color-text-secondary);
    font-size: 1rem;
}

.promise-closing {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--color-red);
    text-shadow: 0 0 30px var(--color-red-glow);
}

/* ===== AI Section ===== */
.ai-section {
    background: var(--color-bg-card);
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

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

.ai-badge {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: rgba(69, 123, 157, 0.15);
    border: 1px solid rgba(69, 123, 157, 0.3);
    border-radius: var(--radius-xl);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-blue-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
}

.ai-title {
    font-size: 2rem;
    margin-bottom: var(--space-md);
}

.ai-description {
    color: var(--color-text-secondary);
    line-height: 1.8;
    font-size: 1rem;
}

/* ===== Footer ===== */
.footer {
    background: var(--color-bg-deep);
    padding: var(--space-2xl) 0 var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.03);
}

.footer-main {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--space-2xl);
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.footer-logo {
    height: 60px;
    width: auto;
    margin-bottom: var(--space-md);
    filter: drop-shadow(0 0 15px var(--color-red-glow));
}

.footer-tagline {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    margin-bottom: var(--space-xs);
}

.footer-series {
    color: var(--color-text-muted);
    font-size: 0.8125rem;
    font-style: italic;
    opacity: 0.7;
}

.footer-links {
    display: flex;
    gap: var(--space-2xl);
}

.footer-col h4 {
    font-size: 0.875rem;
    margin-bottom: var(--space-md);
    color: var(--color-text-primary);
    letter-spacing: 0.05em;
}

.footer-col a {
    display: block;
    color: var(--color-text-muted);
    padding: var(--space-xs) 0;
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-col a:hover {
    color: var(--color-text-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-text-muted);
    font-size: 0.8125rem;
}

.footer-drop {
    color: var(--color-red);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .format-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .format-grid .format-card:nth-child(4),
    .format-grid .format-card:nth-child(5) {
        grid-column: span 1;
    }
    
    .topic-feature {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .upcoming-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links,
    .nav-social {
        display: none;
    }
    
    .nav-mobile-toggle {
        display: flex;
    }
    
    .format-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-logo {
        height: 80px;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .countdown {
        padding: var(--space-md);
    }
    
    .countdown-value {
        font-size: 1.75rem;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
}