/* ==========================================================================
   GameDay Analytics — Landing Page
   Signal Theme — Dark hero, warm body, rust-red accent
   ========================================================================== */

:root {
    /* Dark palette (hero, header, footer) */
    --dark: #1c1917;
    --dark-secondary: #292524;
    --dark-tertiary: #363330;
    --dark-border: #44403c;
    --dark-text: #fafaf9;
    --dark-text-secondary: #a8a29e;
    --dark-text-muted: #78716c;

    /* Light palette (body sections) */
    --bg-primary: #e8e6e1;
    --bg-secondary: #dddbd6;
    --bg-tertiary: #f0efec;
    --text-primary: #1c1917;
    --text-secondary: #78716c;
    --text-muted: #a8a29e;
    --border: #d6d3d1;

    /* Accent */
    --accent: #cd412b;
    --accent-hover: #a83520;
    --accent-glow: rgba(205, 65, 43, 0.15);

    /* Sport colors */
    --mlb: #cd412b;
    --nfl: #15803d;
    --nba: #d97706;
    --nhl: #7c3aed;

    /* Typography */
    --font: 'Inter', system-ui, -apple-system, sans-serif;
    --font-display: 'Space Grotesk', system-ui, sans-serif;
    --mono: 'JetBrains Mono', 'Menlo', monospace;

    /* Shape */
    --radius: 2px;
}


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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }

.container {
    width: 100%;
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 20px;
}


/* Header — Dark
   ========================================================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--dark);
    border-bottom: 1px solid var(--dark-border);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-mark {
    font-family: var(--mono);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--dark);
    background-color: var(--accent);
    padding: 3px 6px;
    border-radius: var(--radius);
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--dark-text);
}

.logo-accent {
    color: var(--accent);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.site-nav .nav-link {
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--dark-text-secondary);
    transition: color 0.15s;
}

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


/* Hero — Dark section
   ========================================================================== */
.hero {
    background-color: var(--dark);
    padding: 56px 0 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(205, 65, 43, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 620px;
    padding-bottom: 48px;
}

.hero-eyebrow {
    font-family: var(--mono);
    font-size: 0.72rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    background-color: var(--accent-glow);
    padding: 5px 14px;
    border-radius: var(--radius);
    border: 1px solid rgba(205, 65, 43, 0.2);
}

.eyebrow-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--accent);
    animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -0.035em;
    color: var(--dark-text);
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--dark-text-secondary);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-actions {
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

a.btn-primary,
a.btn-ghost {
    display: -webkit-inline-flex;
    display: inline-flex;
    -webkit-align-items: center;
    align-items: center;
    font-family: var(--font-display);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    padding: 11px 24px;
    border-radius: var(--radius);
    white-space: nowrap;
    text-decoration: none;
    cursor: pointer;
}

a.btn-primary {
    gap: 8px;
    background-color: var(--accent);
    color: #fff;
    transition: background-color 0.15s, transform 0.1s;
}

a.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
}

a.btn-primary svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

a.btn-ghost {
    color: var(--dark-text-secondary);
    border: 1px solid var(--dark-border);
    transition: color 0.15s, border-color 0.15s;
}

a.btn-ghost:hover {
    color: var(--dark-text);
    border-color: var(--dark-text-muted);
}

/* Stats bar — 4 columns across full width */
.hero-stats-bar {
    display: -webkit-flex;
    display: flex;
    border-top: 1px solid var(--dark-border);
}

.hero-stat {
    flex: 1;
    display: -webkit-flex;
    display: flex;
    -webkit-flex-direction: column;
    flex-direction: column;
    gap: 2px;
    padding: 20px 0;
    border-right: 1px solid var(--dark-border);
}

.hero-stat:last-child {
    border-right: none;
}

.hero-stat-number {
    font-family: var(--mono);
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--dark-text);
}

.hero-stat-label {
    font-family: var(--font-display);
    font-size: 0.7rem;
    color: var(--dark-text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}


/* Section Headers
   ========================================================================== */
.section-header {
    margin-bottom: 32px;
}

.section-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}


/* Sports Grid
   ========================================================================== */
.sports {
    padding: 56px 0 64px;
}

.sports-grid {
    display: -webkit-flex;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sport-card {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: -webkit-flex;
    display: flex;
    overflow: hidden;
    transition: border-color 0.15s, transform 0.15s;
    text-decoration: none;
}

.sport-card-accent {
    width: 4px;
    flex-shrink: 0;
}

.sport-card--mlb .sport-card-accent { background-color: var(--mlb); }
.sport-card--nfl .sport-card-accent { background-color: var(--nfl); }
.sport-card--nba .sport-card-accent { background-color: var(--nba); }
.sport-card--nhl .sport-card-accent { background-color: var(--nhl); }

.sport-card-body {
    padding: 20px 24px;
    flex: 1;
}

.sport-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.sport-name {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.sport-desc {
    font-size: 0.84rem;
    line-height: 1.55;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.sport-cta {
    font-family: var(--mono);
    font-size: 0.72rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.sport-cta svg { transition: transform 0.15s; }

/* Badges */
.sport-badge {
    font-family: var(--mono);
    font-size: 0.62rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 3px 8px;
    border-radius: var(--radius);
}

.sport-badge--live {
    background-color: var(--accent-glow);
    color: var(--accent);
    border: 1px solid rgba(205, 65, 43, 0.2);
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--accent);
    animation: pulse-dot 2s ease-in-out infinite;
}

.sport-badge--soon {
    background-color: rgba(0, 0, 0, 0.04);
    color: var(--text-muted);
    border: 1px solid var(--border);
}

/* Active card */
.sport-card--active {
    cursor: pointer;
}

.sport-card--active:hover {
    border-color: rgba(205, 65, 43, 0.4);
    transform: translateY(-1px);
}

.sport-card--active:hover .sport-cta svg {
    transform: translateX(3px);
}

/* Coming soon */
.sport-card--soon {
    opacity: 0.5;
    cursor: default;
}

.sport-card--soon .sport-desc {
    margin-bottom: 0;
}


/* Features
   ========================================================================== */
.features {
    padding: 56px 0 80px;
    border-top: 1px solid var(--border);
}

.features-grid {
    display: -webkit-flex;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.feature {
    padding: 28px 24px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    position: relative;
}

.feature-number {
    font-family: var(--mono);
    font-size: 0.68rem;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 0.04em;
    margin-bottom: 12px;
}

.feature-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.feature-desc {
    font-size: 0.84rem;
    line-height: 1.6;
    color: var(--text-secondary);
}


/* Footer — Dark
   ========================================================================== */
.site-footer {
    margin-top: auto;
    background-color: var(--dark);
    padding: 40px 0 28px;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.footer-top {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.footer-brand {
    max-width: 360px;
}

.footer-brand .logo-text {
    font-size: 0.95rem;
    margin-bottom: 8px;
    display: block;
}

.footer-about {
    font-size: 0.8rem;
    line-height: 1.6;
    color: var(--dark-text-muted);
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--dark-text-secondary);
    transition: color 0.15s;
}

.footer-links a:hover {
    color: var(--dark-text);
}

.footer-bottom {
    padding-top: 20px;
    border-top: 1px solid var(--dark-border);
}

.footer-copy {
    font-size: 0.72rem;
    color: var(--dark-text-muted);
}


/* ==========================================================================
   Responsive
   ========================================================================== */

@media (min-width: 640px) {
    .container { padding: 0 32px; }

    .hero { padding: 72px 0 0; }
    .hero-title { font-size: 3.25rem; }
    .hero-content { padding-bottom: 56px; }
    .hero-stat-number { font-size: 1.5rem; }

    .sports-grid { flex-direction: row; flex-wrap: wrap; gap: 12px; }
    .sports-grid .sport-card { flex: 1 1 calc(50% - 6px); min-width: 0; }

    .features-grid { flex-direction: row; flex-wrap: wrap; gap: 2px; }
    .features-grid .feature { flex: 1 1 calc(50% - 1px); min-width: 0; }

    .section-title { font-size: 1.35rem; }

    .footer-top { flex-direction: row; justify-content: space-between; align-items: flex-start; }
}

@media (min-width: 960px) {
    .site-header .container { height: 60px; }

    .hero { padding: 96px 0 0; }
    .hero-title { font-size: 3.75rem; }
    .hero-content { padding-bottom: 64px; }
    .hero-subtitle { font-size: 1.05rem; }

    .hero::before {
        width: 700px;
        height: 700px;
        top: -200px;
        right: -100px;
    }

    .sports { padding: 64px 0 72px; }
    .sports-grid .sport-card { flex: 1 1 calc(25% - 9px); }

    .features { padding: 64px 0 96px; }
    .features-grid .feature { flex: 1 1 calc(25% - 2px); }

    .footer-inner { gap: 32px; }
}

@media (min-width: 1200px) {
    .container { padding: 0 40px; }
    .hero-title { font-size: 4rem; }
}


/* ==========================================================================
   Utilities
   ========================================================================== */

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

::selection {
    background-color: rgba(205, 65, 43, 0.2);
    color: var(--dark-text);
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--dark-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--dark-text-muted); }