/* ═══════════════════════════════════════════════════════════════════
   INTELLECT ARENA — Main Stylesheet
   Design: Dark atmospheric, editorial, typography-driven
   ═══════════════════════════════════════════════════════════════════ */

/* ── 1. CUSTOM PROPERTIES (Design Tokens) ─────────────────────── */
:root {
  /* Color Palette */
  --color-bg:           #0d0d0f;
  --color-bg-alt:       #111116;
  --color-bg-card:      #161620;
  --color-bg-card-hover:#1c1c2a;
  --color-surface:      #1a1a24;
  --color-border:       rgba(255, 255, 255, 0.07);
  --color-border-mid:   rgba(255, 255, 255, 0.12);

  --color-text:         #f0ede6;
  --color-text-muted:   rgba(240, 237, 230, 0.55);
  --color-text-subtle:  rgba(240, 237, 230, 0.3);

  --color-accent:       #c5f135;   /* electric lime / chartreuse */
  --color-accent-dim:   rgba(197, 241, 53, 0.12);
  --color-accent-glow:  rgba(197, 241, 53, 0.25);

  --color-secondary:    #b8a4d4;   /* muted lavender */
  --color-warm:         #e08e5a;   /* warm orange */

  /* Typography */
  --font-display:  'Syne', 'Georgia', serif;
  --font-body:     'Space Grotesk', system-ui, -apple-system, sans-serif;
  --font-mono:     'JetBrains Mono', 'Courier New', monospace;

  /* Font sizes — fluid scale */
  --text-xs:    0.65rem;
  --text-sm:    0.8rem;
  --text-base:  1rem;
  --text-md:    1.125rem;
  --text-lg:    1.375rem;
  --text-xl:    1.75rem;
  --text-2xl:   2.25rem;
  --text-3xl:   3rem;
  --text-4xl:   4rem;
  --text-5xl:   5.5rem;
  --text-hero:  clamp(2.8rem, 8vw, 7rem);

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Border radius */
  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;
  --radius-xl:  24px;

  /* Animation */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --container-max: 1200px;
  --nav-height:    72px;
}

/* ── 2. RESET & BASE ──────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg {
  display: block;
  max-width: 100%;
}

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font: inherit;
  color: inherit;
}

/* Focus visible styles */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ── 3. UTILITY CLASSES ───────────────────────────────────────── */
.mono {
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
}

.tag {
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

@media (min-width: 768px) {
  .container { padding: 0 var(--space-8); }
}
@media (min-width: 1200px) {
  .container { padding: 0 var(--space-12); }
}

.break-desktop { display: none; }
@media (min-width: 768px) {
  .break-desktop { display: block; }
}

/* Reveal animation base state */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal[data-delay="50"]  { transition-delay: 0.05s; }
.reveal[data-delay="100"] { transition-delay: 0.1s; }
.reveal[data-delay="150"] { transition-delay: 0.15s; }
.reveal[data-delay="200"] { transition-delay: 0.2s; }

/* Reduced motion — kill all animations */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ── 4. TYPOGRAPHY ────────────────────────────────────────────── */
.section-headline {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--color-text);
}

/* ── 5. BUTTONS ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  border-radius: var(--radius-md);
  padding: 0.7rem 1.4rem;
  transition:
    background var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    transform var(--transition-fast),
    box-shadow var(--transition-base);
  white-space: nowrap;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--color-accent);
  color: var(--color-bg);
  font-weight: 700;
}
.btn--primary:hover {
  background: #d4f94a;
  box-shadow: 0 0 30px var(--color-accent-glow);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border-mid);
}
.btn--ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--nav {
  background: var(--color-accent);
  color: var(--color-bg);
  font-weight: 700;
  font-size: 0.78rem;
  padding: 0.55rem 1.2rem;
  border-radius: var(--radius-md);
}
.btn--nav:hover {
  background: #d4f94a;
  box-shadow: 0 0 20px var(--color-accent-glow);
}

.btn--lg {
  font-size: var(--text-base);
  padding: 0.9rem 1.8rem;
}

.btn__arrow {
  transition: transform var(--transition-base);
  flex-shrink: 0;
}
.btn:hover .btn__arrow {
  transform: translateX(4px);
}

/* ── 6. SECTION BASE ──────────────────────────────────────────── */
.section {
  position: relative;
  overflow: hidden;
}

.section-label {
  margin-bottom: var(--space-8);
}

/* ── 7. NAVIGATION ────────────────────────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  flex-direction: column;
  transition: background var(--transition-slow), border-color var(--transition-slow), backdrop-filter var(--transition-slow);
}

.site-header.is-scrolled {
  background: rgba(13, 13, 15, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  height: var(--nav-height);
  padding: 0 var(--space-6);
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}
.nav-logo__emblem {
  color: var(--color-accent);
  display: flex;
  align-items: center;
  transition: transform var(--transition-base);
}
.nav-logo:hover .nav-logo__emblem {
  transform: rotate(90deg);
}
.nav-logo__text {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--color-text);
}

/* Desktop nav links */
.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-8);
}
.nav-link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
  position: relative;
  transition: color var(--transition-base);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}
.nav-link:hover,
.nav-link.is-active {
  color: var(--color-text);
}
.nav-link.is-active::after,
.nav-link:hover::after {
  width: 100%;
}

@media (min-width: 900px) {
  .nav-links { display: flex; }
}

/* Mobile toggle */
.nav-mobile-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  transition: background var(--transition-base);
}
.nav-mobile-toggle:hover {
  background: var(--color-surface);
}

@media (min-width: 900px) {
  .nav-mobile-toggle { display: none; }
}

.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
  transform-origin: center;
}
/* Open state */
.nav-mobile-toggle[aria-expanded="true"] .hamburger span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.nav-mobile-toggle[aria-expanded="true"] .hamburger span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav-mobile-toggle[aria-expanded="true"] .hamburger span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile menu */
.mobile-menu {
  display: none;
  flex-direction: column;
  gap: var(--space-6);
  padding: var(--space-6) var(--space-6) var(--space-8);
  background: rgba(13, 13, 15, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
}
.mobile-menu.is-open {
  display: flex;
  max-height: 400px;
}

.mobile-menu__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.mobile-menu__link {
  font-size: var(--text-md);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition-base);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
}
.mobile-menu__link:hover { color: var(--color-text); }
.mobile-menu__cta { align-self: flex-start; }

@media (min-width: 900px) {
  .mobile-menu { display: none !important; }
}

/* ── 8. HERO SECTION ──────────────────────────────────────────── */
.section--hero {
  min-height: 100svh;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-height) + var(--space-16)) var(--space-6) var(--space-16);
  position: relative;
  background: var(--color-bg);
}

/* ASCII canvas overlay */
.hero-canvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}
.hero-canvas-item {
  position: absolute;
  font-family: var(--font-mono);
  color: var(--color-accent);
  white-space: pre;
  line-height: 1.2;
  will-change: transform, opacity;
  user-select: none;
  pointer-events: none;
}

/* Grid overlay */
.hero-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(197, 241, 53, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(197, 241, 53, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

/* Hero content */
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 860px;
  width: 100%;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.hero-eyebrow::before,
.hero-eyebrow::after {
  content: '';
  height: 1px;
  width: 40px;
  background: var(--color-accent);
  opacity: 0.5;
}

.hero-headline {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.04em;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.05em;
}
.hero-headline__line { display: block; }
.hero-headline__line--accent { color: var(--color-accent); }

.hero-body {
  max-width: 520px;
  color: var(--color-text-muted);
  font-size: var(--text-md);
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  margin-top: var(--space-2);
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  justify-content: center;
  font-size: var(--text-xs);
  color: var(--color-text-subtle);
  margin-top: var(--space-4);
}
.hero-meta__divider {
  opacity: 0.4;
}

/* Scroll cue */
.hero-scroll-cue {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  z-index: 1;
  pointer-events: none;
}
.hero-scroll-cue span {
  font-size: var(--text-xs);
  color: var(--color-text-subtle);
  letter-spacing: 0.2em;
}
.hero-scroll-cue__line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scrollCue 2s ease-in-out infinite;
}

@keyframes scrollCue {
  0%, 100% { opacity: 0.3; transform: scaleY(1); transform-origin: top; }
  50% { opacity: 0.8; }
}

/* ── 9. ABOUT SECTION ─────────────────────────────────────────── */
.section--about {
  padding: var(--space-24) 0;
  background: var(--color-bg);
}

.about-header {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-16);
}
@media (min-width: 900px) {
  .about-header {
    grid-template-columns: 1fr 1fr;
    align-items: end;
    gap: var(--space-16);
  }
}

.about-intro {
  color: var(--color-text-muted);
  font-size: var(--text-md);
  line-height: 1.75;
  max-width: 480px;
}

/* Pillars grid */
.about-pillars {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-16);
}
@media (min-width: 640px) {
  .about-pillars { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .about-pillars { grid-template-columns: repeat(3, 1fr); }
}

.pillar {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: relative;
  overflow: hidden;
  transition:
    background var(--transition-slow),
    border-color var(--transition-slow),
    transform var(--transition-slow),
    box-shadow var(--transition-slow);
  cursor: default;
}
.pillar:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-mid);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.4), 0 0 40px var(--color-accent-dim);
}

.pillar__icon {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}
.pillar__symbol {
  font-size: 1.5rem;
  color: var(--color-accent);
  font-family: var(--font-mono);
  line-height: 1;
}
.pillar__glyph {
  display: flex;
  gap: var(--space-2);
  font-size: 1.1rem;
  opacity: 0.3;
  filter: grayscale(1);
  transition: opacity var(--transition-base), filter var(--transition-base);
}
.pillar:hover .pillar__glyph {
  opacity: 0.7;
  filter: none;
}

.pillar__label { /* .mono .tag already applied */ }

.pillar__heading {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.pillar__body {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.7;
  flex: 1;
}

.pillar__accent {
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-text-subtle);
}

/* About statement */
.about-statement {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.about-statement__line {
  flex: 1;
  height: 1px;
  background: var(--color-border);
}
.about-statement__quote {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.5vw, 1.75rem);
  font-weight: 700;
  line-height: 1.4;
  text-align: center;
  color: var(--color-text);
  flex-shrink: 0;
  max-width: 500px;
}
.about-statement__quote em {
  color: var(--color-accent);
  font-style: normal;
}

@media (max-width: 640px) {
  .about-statement { flex-direction: column; }
  .about-statement__line { width: 80px; height: 1px; flex: none; }
}

/* ── 10. EVENTS SECTION ───────────────────────────────────────── */
.section--events {
  padding: var(--space-24) 0;
  background: var(--color-bg-alt);
  position: relative;
}
.section--events::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border-mid), transparent);
}

.events-header {
  margin-bottom: var(--space-12);
}

/* Event feature: board + details side by side */
.event-feature {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-16);
  align-items: center;
}
@media (min-width: 900px) {
  .event-feature {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }
}

/* Animated game board */
.event-board {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  aspect-ratio: 4 / 3;
  overflow: hidden;
  position: relative;
  order: 2;
}
@media (min-width: 900px) { .event-board { order: 1; } }

.event-board__inner {
  width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-accent);
}

/* Event details */
.event-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  order: 1;
}
@media (min-width: 900px) { .event-details { order: 2; } }

.event-badge { /* .mono .tag */ }

.event-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.event-description {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.75;
  max-width: 440px;
}

.event-highlights {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.event-highlight {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.event-highlight__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

/* Event info grid */
.event-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}
@media (min-width: 900px) {
  .event-info-grid { grid-template-columns: repeat(4, 1fr); }
}

.event-info-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  transition:
    border-color var(--transition-base),
    background var(--transition-base),
    transform var(--transition-slow);
}
.event-info-card:hover {
  border-color: var(--color-border-mid);
  background: var(--color-bg-card-hover);
  transform: translateY(-2px);
}

.event-info-card__label { /* .mono .tag */ }

.event-info-card__value {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.event-info-card__note {
  font-size: var(--text-xs);
  color: var(--color-text-subtle);
  letter-spacing: 0.08em;
}

/* ── 11. CONTACT SECTION ──────────────────────────────────────── */
.section--contact {
  padding: var(--space-24) 0 var(--space-16);
  background: var(--color-bg);
  position: relative;
}
.section--contact::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border-mid), transparent);
}

.contact-header {
  max-width: 720px;
  margin-bottom: var(--space-12);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.contact-intro {
  color: var(--color-text-muted);
  font-size: var(--text-md);
  line-height: 1.7;
  max-width: 480px;
}

/* Contact cards grid */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
@media (min-width: 640px) {
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .contact-grid { grid-template-columns: repeat(4, 1fr); }
}

.contact-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition:
    background var(--transition-slow),
    border-color var(--transition-slow),
    transform var(--transition-slow),
    box-shadow var(--transition-slow);
  position: relative;
  overflow: hidden;
}
.contact-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: transparent;
  transition: background var(--transition-base);
}
.contact-card:hover {
  background: var(--color-bg-card-hover);
  border-color: var(--color-border-mid);
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 40px var(--color-accent-dim);
}

/* Per-platform accent colors on hover */
.contact-card[data-platform="instagram"]:hover { border-color: rgba(225, 80, 160, 0.35); }
.contact-card[data-platform="instagram"]:hover::before { background: linear-gradient(90deg, #f09433, #e6683c, #dc2743, #cc2366); }

.contact-card[data-platform="whatsapp"]:hover { border-color: rgba(37, 211, 102, 0.35); }
.contact-card[data-platform="whatsapp"]:hover::before { background: #25d366; }

.contact-card[data-platform="email"]:hover { border-color: rgba(197, 241, 53, 0.35); }
.contact-card[data-platform="email"]:hover::before { background: var(--color-accent); }

.contact-card[data-platform="telegram"]:hover { border-color: rgba(38, 160, 218, 0.35); }
.contact-card[data-platform="telegram"]:hover::before { background: #26a0da; }

.contact-card__icon {
  width: 48px;
  height: 48px;
  color: var(--color-text-muted);
  transition: color var(--transition-base), transform var(--transition-spring);
}
.contact-card:hover .contact-card__icon {
  color: var(--color-text);
  transform: scale(1.1);
}
.contact-card__icon svg {
  width: 100%;
  height: 100%;
}

.contact-card__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}

.contact-card__platform { /* .mono .tag */ }

.contact-card__description {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  flex: 1;
}

.contact-card__cta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  transition: color var(--transition-base), gap var(--transition-base);
}
.contact-card:hover .contact-card__cta {
  color: var(--color-accent);
  gap: var(--space-3);
}
.contact-card:hover .contact-card__cta .btn__arrow {
  transform: translateX(4px);
}
.contact-card__cta .btn__arrow {
  transition: transform var(--transition-base);
}

/* ── 12. FOOTER ───────────────────────────────────────────────── */
.site-footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: var(--space-12) 0 var(--space-6);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border);
}
@media (min-width: 640px) {
  .footer-inner {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.footer-brand__wordmark {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--color-accent);
}
.footer-brand__statement {
  font-size: var(--text-sm);
  color: var(--color-text-subtle);
  line-height: 1.7;
  max-width: 240px;
}

.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4) var(--space-6);
}
.footer-nav__link {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-base);
}
.footer-nav__link:hover { color: var(--color-text); }

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: flex-start;
}
@media (min-width: 640px) {
  .footer-bottom {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.footer-copyright,
.footer-tag {
  font-size: var(--text-xs);
  color: var(--color-text-subtle);
  letter-spacing: 0.1em;
}
.footer-tag { color: var(--color-accent); opacity: 0.6; }

/* ── 13. EVENT BOARD VISUALS ──────────────────────────────────── */
/* Chess/checker pattern inside the event board */
.board-cell {
  position: absolute;
  font-family: var(--font-mono);
  user-select: none;
  pointer-events: none;
}

/* ── 14. PLACEHOLDER LINK SAFETY ─────────────────────────────── */
/* Visually distinguish placeholder links without making them invisible */
.contact-card[data-placeholder="true"] {
  cursor: default;
}

/* ── 15. SCROLLBAR STYLING ────────────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--color-surface);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-border-mid);
}

/* ── 16. SELECTION COLOR ──────────────────────────────────────── */
::selection {
  background: var(--color-accent);
  color: var(--color-bg);
}

/* ── 17. PRINT STYLES ─────────────────────────────────────────── */
@media print {
  .site-header,
  .hero-canvas,
  .hero-grid,
  .hero-scroll-cue { display: none; }
  .section--hero { min-height: auto; padding-top: var(--space-8); }
}