/* ===================================================
   CORVO CHESS — DESIGN SYSTEM
   Esport/chess dark theme inspired by the logo:
   deep navy → purple gradient, white accents, bold type
   =================================================== */

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

/* ---- Design Tokens ---- */
:root {
  /* Corvo palette — from logo */
  --corvo-navy:        #1a2744;
  --corvo-blue:        #2d4a8a;
  --corvo-blue-mid:    #3c5fa3;
  --corvo-purple:      #6b3fa0;
  --corvo-purple-mid:  #8b52c8;
  --corvo-purple-light:#a66de0;
  --corvo-white:       #f0f2f8;
  --corvo-silver:      #9aa3b8;
  --corvo-accent:      #7ec8e3;   /* cyan highlight */
  --corvo-gold:        #e8c84a;   /* chess gold */

  /* Gradient — logo background */
  --gradient-hero: linear-gradient(135deg, #1a2744 0%, #2d3a6b 35%, #5a3a8a 70%, #6b3fa0 100%);
  --gradient-card: linear-gradient(135deg, rgba(29,38,80,0.95) 0%, rgba(60,40,100,0.95) 100%);
  --gradient-accent: linear-gradient(90deg, var(--corvo-blue-mid), var(--corvo-purple-mid));

  /* Type scale */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    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-10: 2.5rem; --space-12: 3rem;  --space-16: 4rem;
  --space-20: 5rem;   --space-24: 6rem;  --space-32: 8rem;

  /* Typography */
  --font-display: 'Clash Display', 'Oswald', 'Arial Black', sans-serif;
  --font-heading: 'Oswald', 'Arial Narrow', sans-serif;
  --font-body:    'Inter', 'Segoe UI', sans-serif;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition: 200ms var(--ease-out);

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 30px rgba(107, 63, 160, 0.4);
  --shadow-glow-blue: 0 0 20px rgba(45, 74, 138, 0.5);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
}

/* ---- Dark theme (default) ---- */
:root, [data-theme="dark"] {
  --color-bg:          #0e1220;
  --color-surface:     #141828;
  --color-surface-2:   #1a2036;
  --color-card:        #1e2540;
  --color-border:      rgba(107, 63, 160, 0.25);
  --color-divider:     rgba(255,255,255,0.08);
  --color-text:        #e8eaf2;
  --color-text-muted:  #8891b0;
  --color-text-faint:  #4a5070;
  --color-primary:     var(--corvo-purple-mid);
  --color-primary-hover: var(--corvo-purple-light);
  --color-accent:      var(--corvo-accent);
  --nav-bg:            rgba(14, 18, 32, 0.92);
}

/* ---- Light theme ---- */
[data-theme="light"] {
  --color-bg:          #f0f2f8;
  --color-surface:     #ffffff;
  --color-surface-2:   #eef0f8;
  --color-card:        #ffffff;
  --color-border:      rgba(107, 63, 160, 0.2);
  --color-divider:     rgba(0,0,0,0.1);
  --color-text:        #1a2040;
  --color-text-muted:  #4a5070;
  --color-text-faint:  #9098b8;
  --color-primary:     var(--corvo-purple);
  --color-primary-hover: var(--corvo-purple-mid);
  --color-accent:      #2d6a8a;
  --nav-bg:            rgba(240, 242, 248, 0.95);
}

/* System preference */
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --color-bg: #f0f2f8;
    --color-surface: #ffffff;
    --color-surface-2: #eef0f8;
    --color-card: #ffffff;
    --color-border: rgba(107, 63, 160, 0.2);
    --color-divider: rgba(0,0,0,0.1);
    --color-text: #1a2040;
    --color-text-muted: #4a5070;
    --color-text-faint: #9098b8;
    --color-primary: var(--corvo-purple);
    --color-primary-hover: var(--corvo-purple-mid);
    --color-accent: #2d6a8a;
    --nav-bg: rgba(240, 242, 248, 0.95);
  }
}

/* ---- Body ---- */
body {
  min-height: 100dvh;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  transition: background-color 0.3s var(--ease-out), color 0.3s var(--ease-out);
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
ul[role="list"], ol[role="list"] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, h5, h6 { text-wrap: balance; line-height: 1.15; }
p, li, figcaption { text-wrap: pretty; }

a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-hover); }

button { cursor: pointer; background: none; border: none; }

::selection {
  background: rgba(139, 82, 200, 0.3);
  color: var(--color-text);
}

:focus-visible {
  outline: 2px solid var(--corvo-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

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

/* ---- Skip link ---- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--corvo-purple-mid);
  color: #fff;
  border-radius: var(--radius-md);
  z-index: 9999;
  font-size: var(--text-sm);
  font-weight: 600;
  transition: top 0.2s;
}
.skip-link:focus { top: var(--space-2); }

/* ===========================================
   HEADER / NAV
   =========================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-3) var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.logo-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-img {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  object-fit: cover;
  box-shadow: var(--shadow-sm);
}

.logo-text {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.logo-accent {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.main-nav { margin-left: auto; }

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.nav-link {
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text);
  background: rgba(139, 82, 200, 0.15);
}

.nav-link.active {
  color: var(--corvo-accent);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Language switch */
.lang-switch {
  display: flex;
  gap: var(--space-2);
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: all var(--transition);
}

.lang-btn:hover {
  color: var(--color-text);
  border-color: var(--corvo-purple-mid);
  background: rgba(139, 82, 200, 0.1);
}

.lang-flag { font-size: 16px; }
.lang-label { font-family: var(--font-heading); letter-spacing: 0.05em; }

/* Theme toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  background: transparent;
  transition: all var(--transition);
}

.theme-toggle:hover {
  color: var(--corvo-accent);
  border-color: var(--corvo-accent);
  background: rgba(126, 200, 227, 0.1);
}

/* Hamburger */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.hamburger-line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.mobile-nav {
  display: none;
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-divider);
}

.mobile-nav.open { display: block; }

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-nav-link {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: all var(--transition);
}

.mobile-nav-link:hover {
  color: var(--color-text);
  background: rgba(139, 82, 200, 0.1);
  border-color: var(--color-border);
}

@media (max-width: 768px) {
  .main-nav { display: none; }
  .mobile-menu-toggle { display: flex; }
  .header-inner { padding: var(--space-3) var(--space-4); }
}

/* ===========================================
   HERO SECTION
   =========================================== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--gradient-hero);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 60% 50% at 30% 50%, rgba(45, 74, 138, 0.5) 0%, transparent 70%),
    radial-gradient(ellipse 50% 60% at 75% 50%, rgba(107, 63, 160, 0.5) 0%, transparent 70%);
  pointer-events: none;
}

/* Chess board pattern */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-12) var(--space-6);
  max-width: 800px;
}

.hero-logo {
  width: clamp(120px, 20vw, 200px);
  height: clamp(120px, 20vw, 200px);
  border-radius: var(--radius-xl);
  object-fit: cover;
  margin: 0 auto var(--space-8);
  box-shadow: var(--shadow-glow), var(--shadow-lg);
  border: 2px solid rgba(255,255,255,0.15);
}

.hero-eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--corvo-accent);
  margin-bottom: var(--space-4);
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 700;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-6);
  line-height: 1;
  text-shadow: 0 4px 30px rgba(0,0,0,0.5);
}

.hero-title span {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.75);
  margin-bottom: var(--space-10);
  font-weight: 300;
  letter-spacing: 0.02em;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* Platform badges in hero */
.hero-platforms {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--space-12);
}

.platform-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  transition: all var(--transition);
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.9);
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(8px);
}

.platform-badge:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.4);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: #fff;
}

.platform-badge svg { flex-shrink: 0; }

/* ===========================================
   BUTTONS
   =========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-accent);
  color: #fff;
  border: none;
  box-shadow: 0 4px 20px rgba(107, 63, 160, 0.5);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(107, 63, 160, 0.7);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--corvo-purple-mid);
  color: var(--corvo-purple-light);
  background: rgba(139, 82, 200, 0.1);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

/* ===========================================
   SECTIONS
   =========================================== */
.section {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
}

.section-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section-header {
  text-align: center;
  margin-bottom: clamp(var(--space-8), 5vw, var(--space-16));
}

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--corvo-accent);
  margin-bottom: var(--space-3);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: var(--space-4);
}

.section-title .accent {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Dark section variant */
.section-dark {
  background: var(--color-surface);
}

.section-gradient {
  background: linear-gradient(180deg, transparent, var(--color-surface) 20%, var(--color-surface) 80%, transparent);
}

/* ===========================================
   CARDS
   =========================================== */
.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
  border-color: rgba(139, 82, 200, 0.4);
}

.card-body { padding: var(--space-6); }

.card-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
}

.card-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===========================================
   MEMBER CARDS
   =========================================== */
.members-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--space-6);
}

.member-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  text-align: center;
  padding: var(--space-8) var(--space-6);
  transition: all var(--transition);
}

.member-card:hover {
  transform: translateY(-4px);
  border-color: rgba(139, 82, 200, 0.5);
  box-shadow: var(--shadow-glow);
}

.member-avatar {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: var(--gradient-accent);
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  box-shadow: var(--shadow-glow-blue);
  overflow: hidden;
}

.member-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.member-name {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-1);
}

.member-role {
  font-size: var(--text-xs);
  color: var(--corvo-accent);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.member-rating {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  background: rgba(107, 63, 160, 0.15);
  border: 1px solid rgba(107, 63, 160, 0.3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--corvo-purple-light);
  margin-bottom: var(--space-4);
}

.member-links {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
}

.member-link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  transition: all var(--transition);
}

.member-link:hover {
  color: var(--corvo-accent);
  border-color: var(--corvo-accent);
  background: rgba(126, 200, 227, 0.1);
}

/* ===========================================
   TOURNAMENT TABLE
   =========================================== */
.tournament-section .section-inner { max-width: var(--content-wide); }

.tournament-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.tournament-item {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-4);
  align-items: start;
  transition: all var(--transition);
}

.tournament-item:hover {
  border-color: rgba(139, 82, 200, 0.4);
  box-shadow: var(--shadow-sm);
}

.tournament-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-3);
}

.tournament-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
}

.badge-upcoming {
  background: rgba(126, 200, 227, 0.1);
  border: 1px solid rgba(126, 200, 227, 0.3);
  color: var(--corvo-accent);
}

.badge-completed {
  background: rgba(139, 82, 200, 0.1);
  border: 1px solid rgba(139, 82, 200, 0.3);
  color: var(--corvo-purple-light);
}

.badge-ongoing {
  background: rgba(232, 200, 74, 0.1);
  border: 1px solid rgba(232, 200, 74, 0.3);
  color: var(--corvo-gold);
}

.tournament-result {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--corvo-gold);
  text-align: center;
  min-width: 80px;
}

.tournament-result-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===========================================
   GALLERY
   =========================================== */
.gallery-tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
  justify-content: center;
  flex-wrap: wrap;
}

.gallery-tab {
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition);
}

.gallery-tab.active,
.gallery-tab:hover {
  background: var(--gradient-accent);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(107, 63, 160, 0.4);
}

.gallery-panel { display: none; }
.gallery-panel.active { display: block; }

/* YouTube grid */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-6);
}

.video-embed-wrapper {
  position: relative;
  padding-top: 56.25%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
}

.video-embed-wrapper iframe {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  border: none;
}

.video-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition);
}

.video-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
  border-color: rgba(139, 82, 200, 0.4);
}

.video-card-info {
  padding: var(--space-4);
}

.video-title {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1.4;
}

/* Google Photos embed */
.photos-section {
  margin-bottom: var(--space-8);
}

.photos-embed-wrapper {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.photos-embed-wrapper iframe {
  width: 100%;
  height: 480px;
  border: none;
  display: block;
}

/* Photo grid (static) */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-4);
}

.photo-item {
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
}

.photo-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--ease-out);
}

.photo-item:hover img {
  transform: scale(1.05);
}

/* ===========================================
   ABOUT / ROLUNK
   =========================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.about-image-wrapper {
  position: relative;
}

.about-image {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-glow), var(--shadow-lg);
  border: 1px solid rgba(255,255,255,0.1);
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.stat-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.about-text h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: var(--space-6);
  line-height: 1.1;
}

.about-text h2 span {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-text p {
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-4);
  font-size: var(--text-base);
}

.platform-buttons {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-8);
}

@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-stats { grid-template-columns: 1fr 1fr; }
}

/* ===========================================
   CONTACT
   =========================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

.contact-info h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: var(--space-6);
}

.contact-info h2 span {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact-info p {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-8);
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  background: rgba(107, 63, 160, 0.15);
  border: 1px solid rgba(107, 63, 160, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--corvo-purple-light);
}

.contact-item-text strong {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text);
  margin-bottom: 2px;
}

.contact-item-text a,
.contact-item-text span {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.contact-item-text a:hover { color: var(--corvo-accent); }

/* Contact Form */
.contact-form {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.form-control {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--corvo-purple-mid);
  box-shadow: 0 0 0 3px rgba(139, 82, 200, 0.2);
}

.form-control::placeholder { color: var(--color-text-faint); }

textarea.form-control {
  resize: vertical;
  min-height: 140px;
}

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* ===========================================
   CHESS DECORATIVE ELEMENTS
   =========================================== */
.chess-divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: var(--space-8) 0;
  color: var(--color-text-faint);
}

.chess-divider::before,
.chess-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.chess-piece-icon {
  font-size: var(--text-xl);
  opacity: 0.5;
}

/* Chessboard decorative bg */
.chessboard-bg {
  position: relative;
}

.chessboard-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-conic-gradient(
    rgba(107, 63, 160, 0.03) 0% 25%,
    transparent 0% 50%
  );
  background-size: 40px 40px;
  pointer-events: none;
}

/* ===========================================
   PAGE HEADER (inner pages)
   =========================================== */
.page-header {
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  padding: var(--space-20) var(--space-6) var(--space-16);
  text-align: center;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.page-header-content { position: relative; z-index: 1; }

.page-header-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
  line-height: 1;
}

.page-header-desc {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.65);
  max-width: 560px;
  margin: 0 auto;
}

/* ===========================================
   FOOTER
   =========================================== */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  margin-top: auto;
}

.footer-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-16) var(--space-6) var(--space-8);
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-12);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer-logo {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  object-fit: cover;
}

.footer-tagline {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  list-style: none;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-link:hover { color: var(--corvo-accent); }

.footer-bottom {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-6);
  border-top: 1px solid var(--color-divider);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copy {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.pplx-credit {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-decoration: none;
  transition: color var(--transition);
}

.pplx-credit:hover { color: var(--corvo-accent); }

@media (max-width: 768px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 480px) {
  .footer-inner { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ===========================================
   UTILITIES
   =========================================== */
.text-gradient {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-muted { color: var(--color-text-muted); }
.text-accent { color: var(--corvo-accent); }
.text-center { text-align: center; }
.text-upper { text-transform: uppercase; letter-spacing: 0.05em; }

.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }

.hidden { display: none !important; }

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* Grid layouts */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* Prose content */
.prose {
  max-width: 68ch;
  margin: 0 auto;
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-text);
}

.prose h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text);
  margin: var(--space-10) 0 var(--space-4);
}

.prose h3 {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin: var(--space-8) 0 var(--space-3);
}

.prose p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.prose ul, .prose ol {
  margin: var(--space-4) 0 var(--space-4) var(--space-6);
  color: var(--color-text-muted);
}

.prose li { margin-bottom: var(--space-2); }

/* Notification / alert */
.notice {
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--corvo-accent);
  background: rgba(126, 200, 227, 0.08);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin: var(--space-6) 0;
}