/* =========================================================
   Rotaract Club of Coimbatore City — Launch Page
   "Glass & Gears" design system

   Design tokens
   White (base)     : #FFFFFF
   Paper (base tint): #F7F8FA
   Cranberry        : #A61C42   -- outline / primary accent
   Cranberry Deep   : #7A1030
   Cranberry Light  : #F2A9BF
   Blue             : #2F6FD6   -- secondary accent
   Blue Deep        : #1B4E9E
   Gray scale       : #F4F5F7 → #6B7280 → #2A2E35
   Black (ink)      : #101114
   Display font     : 'Space Grotesk'
   Body font        : 'Inter'
   Utility/mono     : 'JetBrains Mono'
========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@500&display=swap');

:root{
  --white: #FFFFFF;
  --paper: #F7F8FA;
  --cranberry: #A61C42;
  --cranberry-deep: #7A1030;
  --cranberry-light: #F2A9BF;
  --cranberry-wash: rgba(166,28,66,0.08);
  --blue: #2F6FD6;
  --blue-deep: #1B4E9E;
  --blue-light: #CFE1FA;
  --blue-wash: rgba(47,111,214,0.08);
  --gray-50: #F4F5F7;
  --gray-100: #E7E9ED;
  --gray-300: #C7CBD3;
  --gray-500: #8A8F99;
  --gray-700: #4A4F58;
  --ink: #101114;
  --line: rgba(16,17,20,0.10);
  --glass-bg: rgba(255,255,255,0.60);
  --glass-bg-strong: rgba(255,255,255,0.78);
  --glass-border: rgba(166,28,66,0.28);
  --glass-border-soft: rgba(16,17,20,0.08);
  --shadow-glass: 0 20px 60px rgba(20,30,60,0.10), 0 2px 8px rgba(20,30,60,0.06);
  --radius: 22px;
  --radius-sm: 14px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  position: relative;
}
img{ max-width:100%; display:block; }
a{ color: inherit; }

/* ---------- Ambient background blobs (seen through glass) ---------- */
body::before, body::after{
  content:""; position:fixed; z-index:-1; border-radius:50%;
  filter: blur(70px); pointer-events:none;
}
body::before{
  width: 620px; height: 620px; top: -180px; right: -160px;
  background: radial-gradient(circle, rgba(166,28,66,0.22), rgba(166,28,66,0) 70%);
}
body::after{
  width: 560px; height: 560px; bottom: -200px; left: -180px;
  background: radial-gradient(circle, rgba(47,111,214,0.20), rgba(47,111,214,0) 70%);
}

.container{
  width:100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

/* ---------- Focus visibility ---------- */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 3px solid var(--blue);
  outline-offset: 2px;
}

/* ---------- Glass utility ---------- */
.glass{
  background: var(--glass-bg);
  border: 1.5px solid var(--glass-border);
  border-radius: var(--radius);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  box-shadow: var(--shadow-glass);
}
.glass-dark{
  background: rgba(16,17,20,0.62);
  border: 1.5px solid rgba(166,28,66,0.4);
  border-radius: var(--radius);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  box-shadow: 0 24px 70px rgba(0,0,0,0.35);
  color: var(--white);
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  padding: 60px 0 68px;
}
.hero-logo{ height: 48px; width:auto; margin-bottom: 26px; }
.hero-grid{
  display:grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items:center;
}
@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
}
.eyebrow{
  font-family: var(--font-mono);
  font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--cranberry-deep);
  display:inline-flex; align-items:center; gap:8px;
  background: var(--cranberry-wash);
  border: 1px solid rgba(166,28,66,0.3);
  padding: 6px 12px; border-radius: 999px;
  margin-bottom: 22px;
}
.eyebrow .dot{
  width:7px; height:7px; border-radius:50%; background: var(--cranberry);
  animation: pulse 1.8s ease-in-out infinite;
}
@keyframes pulse{ 0%,100%{ opacity:1; transform: scale(1);} 50%{ opacity:.4; transform: scale(1.4);} }

.hero h1{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.3rem, 4.6vw, 3.6rem);
  line-height: 1.05;
  margin: 0 0 18px;
  color: var(--ink);
}
.hero h1 span{
  background: linear-gradient(120deg, var(--cranberry), var(--blue));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead{
  font-size: 1.08rem; line-height:1.65; color: var(--gray-700);
  max-width: 52ch; margin: 0 0 30px;
}
.hero-cta{ display:flex; gap:14px; flex-wrap:wrap; }

.btn{
  font-family: var(--font-display);
  font-weight:600; font-size:0.95rem;
  padding: 13px 24px; border-radius: 999px;
  border: none; cursor:pointer; text-decoration:none;
  display:inline-flex; align-items:center; gap:8px;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn:hover{ transform: translateY(-2px); }
.btn-primary{
  background: linear-gradient(120deg, var(--cranberry), var(--cranberry-deep));
  color: var(--white); box-shadow: 0 14px 30px rgba(166,28,66,0.32);
}
.btn-primary:hover{ box-shadow: 0 18px 38px rgba(166,28,66,0.42); }
.btn-secondary{
  background: linear-gradient(120deg, var(--blue), var(--blue-deep));
  color: var(--white); box-shadow: 0 14px 30px rgba(47,111,214,0.32);
}
.btn-secondary:hover{ box-shadow: 0 18px 38px rgba(47,111,214,0.42); }
.btn-ghost{
  background: var(--glass-bg-strong); color: var(--ink);
  border: 1.5px solid var(--glass-border);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover{ border-color: var(--cranberry); color: var(--cranberry-deep); }
.btn-inline{
  background: transparent; border: 1px solid rgba(255,255,255,0.5); color: inherit;
  padding: 4px 12px; border-radius: 999px; font-size: 0.82rem; font-family: var(--font-display);
  cursor: pointer; text-decoration: none; display: inline-flex; margin-left: 6px;
}

/* Hero visual: glass emblem ring */
.gear-wrap{
  position:relative; display:flex; align-items:center; justify-content:center;
}
.gear-ring{
  width: min(360px, 80vw); aspect-ratio: 1;
  border-radius:50%;
  background: conic-gradient(from 0deg, var(--cranberry), var(--blue), var(--cranberry));
  padding: 10px;
  animation: spin 30s linear infinite;
  box-shadow: var(--shadow-glass);
}
@keyframes spin{ to{ transform: rotate(360deg); } }
.gear-ring-inner{
  width:100%; height:100%; border-radius:50%;
  background: var(--glass-bg-strong);
  backdrop-filter: blur(14px);
  display:flex; align-items:center; justify-content:center;
  padding: 34px;
  border: 1px solid rgba(255,255,255,0.6);
}
.gear-ring-inner img{ width:70%; animation: counter-spin 30s linear infinite; }
@keyframes counter-spin{ to{ transform: rotate(-360deg); } }

/* ---------- Section shared ---------- */
section{ padding: 78px 0; position: relative; }
.section-head{ max-width: 640px; margin: 0 0 40px; }
.section-head .eyebrow{ margin-bottom: 14px; }
.section-head h2{
  font-family: var(--font-display); font-weight:700;
  font-size: clamp(1.6rem, 3vw, 2.2rem); margin: 0 0 12px;
}
.section-head p{ color: var(--gray-700); line-height:1.6; margin:0; }

.about-band{ background: transparent; }
.pillars{ display:grid; grid-template-columns: repeat(3,1fr); gap:20px; }
@media (max-width: 780px){ .pillars{ grid-template-columns: 1fr; } }
.pillar{
  padding: 26px; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.pillar:hover{ transform: translateY(-4px); border-color: var(--cranberry); }
.pillar .num{ font-family: var(--font-mono); color: var(--cranberry); font-size:0.85rem; }
.pillar h3{ font-family: var(--font-display); margin: 10px 0 8px; font-size:1.15rem; }
.pillar p{ margin:0; color: var(--gray-700); font-size:0.95rem; line-height:1.55; }

/* ---------- Rotaract 2048 section (signature element) ---------- */
.game-band{
  position:relative;
  overflow:hidden;
}
.game-band .section-head p{ color: var(--gray-700); }

.game-layout{
  position:relative; z-index:1;
  display:grid; grid-template-columns: 380px 1fr; gap: 44px; align-items:start;
}
@media (max-width: 900px){ .game-layout{ grid-template-columns: 1fr; } }

.game-frame{
  position:relative; width: 100%; max-width: 380px;
  border-radius: 28px;
  padding: 10px;
  margin: 0 auto;
  background: linear-gradient(150deg, var(--cranberry), var(--blue));
}

/* Name/email gate shown before the board appears */
.game-gate{
  border-radius: 22px; padding: 28px 24px;
}
.game-gate .gate-label{
  font-size: 0.9rem; color: rgba(255,255,255,0.85); margin: 0 0 16px; line-height:1.5;
}
.game-gate .field label{ color: rgba(255,255,255,0.9); }
.game-gate .field input{ background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.28); color: var(--white); }
.game-gate .field input::placeholder{ color: rgba(255,255,255,0.5); }

/* Game HUD */
.game-hud{
  display:flex; gap:10px; margin-bottom: 12px;
}
.hud-box{
  flex:1; text-align:center; border-radius: 14px; padding: 10px 8px;
  background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.22);
}
.hud-box .hud-label{
  display:block; font-family: var(--font-mono); font-size: 0.62rem; letter-spacing:.08em; text-transform:uppercase;
  color: rgba(255,255,255,0.65); margin-bottom: 2px;
}
.hud-box .hud-value{ font-family: var(--font-display); font-weight:700; font-size: 1.25rem; color: var(--white); }

.game-board{
  position:relative;
  width:100%; aspect-ratio: 1;
  background: rgba(16,17,20,0.35);
  border-radius: 18px;
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(4, 1fr);
  gap: 10px;
  padding: 10px;
}
.tile-bg{
  background: rgba(255,255,255,0.08);
  border-radius: 10px;
}
.tile-layer{
  position:absolute; inset:10px;
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(4, 1fr);
  gap: 10px;
  pointer-events:none;
}
.tile{
  grid-row: calc(var(--r) + 1);
  grid-column: calc(var(--c) + 1);
  display:flex; align-items:center; justify-content:center;
  border-radius: 10px;
  font-family: var(--font-display); font-weight:700;
  font-size: clamp(1rem, 4.4vw, 1.5rem);
  animation: tile-pop .16s ease;
  box-shadow: 0 6px 14px rgba(0,0,0,0.18);
}
@keyframes tile-pop{ from{ transform: scale(0.7); opacity:0.4; } to{ transform: scale(1); opacity:1; } }

.tile-2{ background: var(--gray-50); color: var(--ink); }
.tile-4{ background: var(--blue-light); color: var(--ink); }
.tile-8{ background: #A9CBF5; color: var(--ink); }
.tile-16{ background: #7CAEEF; color: var(--white); }
.tile-32{ background: #4C8EE6; color: var(--white); }
.tile-64{ background: var(--blue); color: var(--white); }
.tile-128{ background: var(--cranberry-light); color: var(--ink); font-size: clamp(0.9rem,4vw,1.3rem); }
.tile-256{ background: #E37B99; color: var(--white); font-size: clamp(0.9rem,4vw,1.3rem); }
.tile-512{ background: var(--cranberry); color: var(--white); font-size: clamp(0.9rem,4vw,1.3rem); }
.tile-1024{ background: var(--cranberry-deep); color: var(--white); font-size: clamp(0.82rem,3.6vw,1.15rem); }
.tile-2048{ background: var(--ink); color: var(--white); font-size: clamp(0.82rem,3.6vw,1.15rem); box-shadow: 0 0 0 2px var(--cranberry), 0 8px 22px rgba(166,28,66,0.5); }
.tile-super{ background: linear-gradient(135deg, var(--ink), var(--blue-deep)); color: var(--white); box-shadow: 0 0 0 2px var(--blue), 0 8px 22px rgba(47,111,214,0.5); font-size: clamp(0.75rem,3.2vw,1.05rem); }

.game-controls{
  margin-top: 16px; display:flex; align-items:center; gap:10px; flex-wrap:wrap; justify-content:space-between;
}
.game-controls button{
  background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.3); color: var(--white);
  padding: 9px 16px; border-radius: 999px; font-family: var(--font-display); font-weight:600; font-size:0.82rem;
  cursor:pointer; transition: background .15s ease, border-color .15s ease;
}
.game-controls button:hover{ border-color: var(--blue-light); background: rgba(255,255,255,0.2); }

.game-hint{
  margin-top: 12px; font-size: 0.8rem; color: rgba(255,255,255,0.6); text-align:center;
}

.game-reward{
  display:none;
  border: 1px solid rgba(166,28,66,0.5);
  background: rgba(166,28,66,0.14);
  padding: 16px 18px; border-radius: 14px;
  font-size: 0.92rem; color: var(--white);
  margin-top: 14px; max-width: 380px;
  line-height: 1.5;
}
.game-reward.show{ display:block; }

.game-copy h3{ font-family: var(--font-display); font-size:1.4rem; margin: 0 0 12px; color: var(--ink); }
.game-copy p{ color: var(--gray-700); line-height:1.65; margin:0 0 20px; max-width: 54ch; }

/* Leaderboard panel */
.leaderboard-panel{ padding: 24px 26px; margin-top: 4px; }
.leaderboard-table{
  width:100%; border-collapse: collapse; margin-top: 10px;
  font-size: 0.88rem;
}
.leaderboard-table th, .leaderboard-table td{
  text-align:left; padding: 9px 10px; border-bottom: 1px solid var(--line);
}
.leaderboard-table th{
  font-family: var(--font-mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--cranberry-deep);
}
.leaderboard-table td{ color: var(--ink); }
.leaderboard-table tbody tr:first-child td{ font-weight:700; color: var(--cranberry-deep); }

/* ---------- Forms band ---------- */
.forms-band{ background: transparent; }
.forms-grid{
  display:grid; grid-template-columns: 1fr 1fr; gap: 30px;
}
@media (max-width: 860px){ .forms-grid{ grid-template-columns: 1fr; } }

.form-card{
  padding: 32px;
}
.form-card .tag{
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--cranberry); margin-bottom: 8px; display:block;
}
.form-card h3{ font-family: var(--font-display); font-size: 1.3rem; margin: 0 0 8px; }
.form-card > p{ color: var(--gray-700); font-size: 0.92rem; margin: 0 0 22px; line-height:1.55; }

.field{ margin-bottom: 16px; }
.field label{
  display:block; font-size:0.82rem; font-weight:600; margin-bottom:6px; color: var(--ink);
  font-family: var(--font-display);
}
.field input, .field textarea, .field select{
  width:100%; padding: 12px 14px; border-radius: 10px;
  border: 1.5px solid var(--glass-border-soft); background: rgba(255,255,255,0.7);
  font-family: var(--font-body); font-size: 0.95rem; color: var(--ink);
}
.field input:focus, .field textarea:focus, .field select:focus{
  border-color: var(--cranberry); outline:none;
}
.field textarea{ resize: vertical; min-height: 96px; }
.hp-field{ position:absolute; left:-9999px; width:1px; height:1px; opacity:0; }

.form-msg{
  margin-top: 14px; font-size: 0.88rem; padding: 10px 14px; border-radius: 10px; display:none;
}
.form-msg.show{ display:block; }
.form-msg.ok{ background: rgba(47,111,214,0.10); color: var(--blue-deep); border: 1px solid rgba(47,111,214,0.28); }
.form-msg.err{ background: var(--cranberry-wash); color: var(--cranberry-deep); border: 1px solid rgba(166,28,66,0.28); }

.locked-note{
  display:flex; gap:10px; align-items:flex-start;
  font-size: 0.85rem; color: var(--gray-700);
  background: var(--blue-wash); border: 1px dashed rgba(47,111,214,0.4);
  padding: 12px 14px; border-radius: 10px; margin-bottom: 16px;
}

/* ---------- Footer ---------- */
footer{
  background: var(--ink); color: rgba(255,255,255,0.7);
  padding: 40px 0 26px;
  position: relative;
}
.footer-inner{
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding-bottom: 24px; margin-bottom: 18px;
}
.footer-brand{ display:flex; align-items:center; gap:10px; }
.footer-brand img{ height: 32px; filter: brightness(0) invert(1); opacity:0.9; }
.footer-contact{ display:flex; flex-wrap:wrap; gap:20px; }
.footer-contact a{
  display:inline-flex; align-items:center; gap:8px; text-decoration:none;
  font-size:0.88rem; color: rgba(255,255,255,0.75);
}
.footer-contact a:hover{ color: var(--cranberry-light); }
.footer-contact .contact-icon{
  width:26px; height:26px; border-radius:50%; background: rgba(47,111,214,0.18);
  display:inline-flex; align-items:center; justify-content:center; color: var(--blue-light); font-size:0.85rem;
}
.footer-social{ display:flex; gap:14px; flex-wrap:wrap; }
.footer-social a{
  width:36px; height:36px; border-radius:50%; border:1px solid rgba(255,255,255,0.2);
  display:flex; align-items:center; justify-content:center; text-decoration:none;
  font-size:0.85rem; font-family: var(--font-mono);
  transition: border-color .15s ease, color .15s ease;
}
.footer-social a:hover{ border-color: var(--cranberry-light); color: var(--cranberry-light); }
.footer-social a.admin-entry{ opacity:0.55; color: rgba(255,255,255,0.75); }
.footer-social a.admin-entry:hover{ opacity:1; }
.footer-bottom{ font-size:0.82rem; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; }
.footer-bottom a{ text-decoration:underline; }

.powered-by{
  text-align:center; margin-top:14px; padding-top:14px;
  border-top:1px solid rgba(255,255,255,0.08);
  font-size:0.8rem; color:rgba(255,255,255,0.55); letter-spacing:.02em;
}
.powered-by .blanka-font{
  font-family:'Blanka', var(--font-display), sans-serif;
  font-size:1rem; letter-spacing:.06em; color: var(--blue-light);
  text-transform:uppercase; margin-left:2px; text-decoration:none;
}
.powered-by .blanka-font:hover{ color: var(--cranberry-light); text-decoration:underline; }

/* ---------- Cookie banner ---------- */
#cookie-banner{
  position: fixed; left: 20px; right: 20px; bottom: 20px; z-index: 100;
  max-width: 620px; margin: 0 auto;
  color: var(--white);
  border-radius: 18px; padding: 20px 22px;
  display:none;
}
#cookie-banner.show{ display:flex; gap:18px; align-items:flex-start; flex-wrap:wrap; }
#cookie-banner p{ margin:0; font-size:0.88rem; line-height:1.55; color: rgba(255,255,255,0.82); flex:1 1 260px; }
#cookie-banner .cookie-actions{ display:flex; gap:10px; flex-wrap:wrap; }
#cookie-banner button{
  font-family: var(--font-display); font-weight:600; font-size:0.85rem;
  padding: 10px 16px; border-radius: 999px; cursor:pointer; border: none;
}
#cookie-accept{ background: linear-gradient(120deg, var(--cranberry), var(--cranberry-deep)); color: var(--white); }
#cookie-reject{ background: transparent; color: rgba(255,255,255,0.75); border: 1px solid rgba(255,255,255,0.3); }
#cookie-settings-link{ background:none; color: var(--blue-light); text-decoration:underline; padding:10px 4px; border:none; }

/* Modal for cookie preferences */
.modal-overlay{
  position: fixed; inset:0; background: rgba(16,17,20,0.5); z-index: 110;
  display:none; align-items:center; justify-content:center; padding: 20px;
  backdrop-filter: blur(4px);
}
.modal-overlay.show{ display:flex; }
.modal-box{
  background: var(--glass-bg-strong);
  border: 1.5px solid var(--glass-border);
  backdrop-filter: blur(20px) saturate(160%);
  border-radius: 18px; max-width: 480px; width:100%;
  padding: 28px; max-height: 84vh; overflow:auto;
  box-shadow: var(--shadow-glass);
}
.modal-box h3{ font-family: var(--font-display); margin:0 0 6px; }
.modal-box p{ font-size:0.88rem; color: var(--gray-700); line-height:1.55; }
.pref-row{
  display:flex; justify-content:space-between; align-items:center; gap:14px;
  padding: 14px 0; border-top: 1px solid var(--line);
}
.pref-row strong{ font-family: var(--font-display); font-size: 0.92rem; display:block; }
.pref-row span{ font-size:0.8rem; color: var(--gray-500); }
.switch{ position:relative; width:44px; height:24px; flex-shrink:0; }
.switch input{ opacity:0; width:0; height:0; }
.switch .slider{
  position:absolute; inset:0; background: var(--gray-300); border-radius:999px; cursor:pointer; transition:.2s;
}
.switch .slider::before{
  content:""; position:absolute; width:18px; height:18px; left:3px; top:3px; background:var(--white); border-radius:50%; transition:.2s;
}
.switch input:checked + .slider{ background: var(--cranberry); }
.switch input:checked + .slider::before{ transform: translateX(20px); }
.switch input:disabled + .slider{ opacity:0.6; cursor:not-allowed; }
.modal-actions{ display:flex; gap:10px; margin-top: 22px; }