/* ───────────────────────────────────────────────────────────────────────────
   REALMS PAGE — STYLES
   Atlas/dark map theme
   ─────────────────────────────────────────────────────────────────────────── */

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

:root {
    --bg-deep: #0C0E12;
    --bg-void: #07080A;
    --bg-card: rgba(16, 20, 28, 0.6);
    --fg-glow: #E0DCD4;
    --fg-dim: #9A958C;
    --fg-muted: #5C5852;
    --accent-gold: #B8956A;
    --accent-gold-bright: #D4B896;
    --accent-blue: #3A5A7C;
    --accent-blue-bright: #5A8AB8;
    --border-subtle: rgba(184, 149, 106, 0.12);
    --border-medium: rgba(184, 149, 106, 0.2);
    --font-display: 'Cinzel', 'Georgia', serif;
    --font-body: 'Lato', 'Helvetica Neue', sans-serif;
    --font-decorative: 'Cinzel Decorative', 'Cinzel', serif;
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    --container-max: 1200px;
    --container-padding: clamp(1.25rem, 4vw, 3rem);
    --header-height: 72px;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background-color: var(--bg-deep);
    color: var(--fg-glow);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ── Navigation ─────────────────────────────────────────────────────────── */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 0 var(--container-padding);
    transition: background var(--transition-base), box-shadow var(--transition-base);
}

.main-nav.scrolled {
    background: rgba(7, 8, 10, 0.92);
    backdrop-filter: blur(20px) saturate(1.2);
    -webkit-backdrop-filter: blur(20px) saturate(1.2);
    box-shadow: 0 1px 0 var(--border-subtle), 0 4px 30px rgba(0,0,0,0.3);
}

.nav-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.nav-logo {
    font-family: var(--font-decorative);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--fg-glow);
    letter-spacing: 0.1em;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--fg-dim);
    text-decoration: none;
    position: relative;
    transition: color var(--transition-base);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent-gold);
    transition: width var(--transition-slow);
}

.nav-link:hover {
    color: var(--fg-glow);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 101;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 1.5px;
    background: var(--fg-glow);
    transition: all var(--transition-base);
}

.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── Hero ───────────────────────────────────────────────────────────────── */
.hero {
    position: relative;
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(var(--header-height) + 4rem) var(--container-padding) 4rem;
    text-align: center;
    z-index: 1;
    background: linear-gradient(180deg, rgba(7,8,10,0) 0%, rgba(12,14,18,0.8) 100%);
}

.hero-eyebrow {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent-gold);
    margin-bottom: 1.25rem;
}

.hero-title {
    font-family: var(--font-decorative);
    font-weight: 900;
    line-height: 1.05;
    margin-bottom: 1.5rem;
}

.title-main {
    display: block;
    font-size: clamp(4rem, 10vw, 7rem);
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #E0DCD4 0%, #B8956A 40%, #D4B896 70%, #E0DCD4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-divider {
    display: block;
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, var(--accent-gold), transparent);
    margin: 1rem auto;
}

.title-sub {
    display: block;
    font-size: clamp(1.2rem, 3vw, 1.6rem);
    font-weight: 400;
    letter-spacing: 0.15em;
    color: var(--fg-dim);
    font-family: var(--font-display);
}

.hero-subtitle {
    font-family: var(--font-body);
    font-size: clamp(0.95rem, 1.8vw, 1.1rem);
    color: var(--fg-dim);
    letter-spacing: 0.06em;
    margin-bottom: 2rem;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

/* ── Filters ────────────────────────────────────────────────────────────── */
.filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.6rem 1.5rem;
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: 100px;
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--fg-dim);
    cursor: pointer;
    transition: all var(--transition-base);
}

.filter-btn:hover {
    border-color: var(--border-medium);
    color: var(--fg-glow);
}

.filter-btn.active {
    background: var(--accent-gold);
    border-color: var(--accent-gold);
    color: var(--bg-void);
}

/* ── Realms Grid ────────────────────────────────────────────────────────── */
.realms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.realm-card {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
}

.realm-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
    opacity: 0;
    transition: opacity var(--transition-slow);
}

.realm-card:hover {
    border-color: var(--border-medium);
    transform: translateY(-4px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3), 0 0 0 1px var(--border-subtle);
}

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

.realm-card.hidden {
    display: none;
}

.realm-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.25rem 0.75rem;
    background: rgba(184, 149, 106, 0.15);
    border: 1px solid var(--border-subtle);
    border-radius: 100px;
    font-family: var(--font-display);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-gold-bright);
}

.realm-name {
    font-family: var(--font-decorative);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--fg-glow);
    margin-bottom: 0.25rem;
}

.realm-desc {
    font-size: 0.9rem;
    color: var(--fg-dim);
    line-height: 1.5;
}

.realm-domain {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-gold);
    margin-top: 0.5rem;
}

.realm-card.norse { border-left: 2px solid rgba(107, 142, 107, 0.3); }
.realm-card.greek { border-left: 2px solid rgba(184, 149, 106, 0.3); }
.realm-card.japanese { border-left: 2px solid rgba(180, 100, 100, 0.3); }

/* ── Section ────────────────────────────────────────────────────────────── */
.section-realms {
    padding: 4rem 0 8rem;
    position: relative;
    z-index: 1;
}

/* ── Footer ─────────────────────────────────────────────────────────────── */
.main-footer {
    background: var(--bg-void);
    border-top: 1px solid var(--border-subtle);
    padding: 4rem 0 2rem;
    position: relative;
    z-index: 1;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 3rem;
    margin-bottom: 2.5rem;
}

.footer-logo {
    font-family: var(--font-decorative);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--fg-glow);
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: 0.75rem;
}

.footer-tagline {
    font-size: 0.9rem;
    color: var(--fg-muted);
    line-height: 1.6;
}

.footer-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-block {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-subtle);
}

.footer-label {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--fg-muted);
}

.footer-value {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--fg-dim);
    letter-spacing: 0.04em;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-subtle);
}

.footer-credit {
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--fg-muted);
}

/* ── Scroll Reveal ──────────────────────────────────────────────────────── */
.reveal-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav-links {
        position: fixed;
        inset: 0;
        background: rgba(7, 8, 10, 0.97);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2rem;
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--transition-base);
        z-index: 99;
    }
    .nav-links.active { opacity: 1; pointer-events: all; }
    
    .realms-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .reveal-up { opacity: 1; transform: none; }
}

::selection {
    background: rgba(184, 149, 106, 0.3);
    color: var(--fg-glow);
}