/* ============================================================
   RipRift — Design System (base.css)
   Shared tokens, primitives & components. Section CSS files
   must namespace their own rules and never redefine these.
   ============================================================ */

:root {
  /* Backgrounds */
  --bg: #05090B;
  --bg-elev: #081014;
  --panel: #0B171B;
  --panel-elev: #102126;

  /* Brand turquoise */
  --teal: #033651;
  --teal-hi: #075573;
  --teal-bright: #3FC1E8;
  --teal-glow: rgba(7, 85, 115, 0.35);
  --teal-tint: rgba(3, 54, 81, 0.12);

  /* Text */
  --text: #F4F7F8;
  --text-2: #A9B8BD;
  --muted: #65777D;
  --disabled: #46575C;

  /* Borders */
  --border: rgba(255, 255, 255, 0.08);
  --border-hi: rgba(7, 85, 115, 0.45);

  /* Motion */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --maxw: 1280px;
  --gutter: clamp(20px, 4.5vw, 64px);
  --nav-h: 72px;

  /* Type */
  --font-display: 'Space Grotesk', 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  /* Booster pack artwork (assets/pack.webp) — every pack on the site is this
     image, so its intrinsic ratio and the ratio of one torn half live here. */
  --pack-ar: 332 / 568;
  --pack-ar-half: 332 / 284;
  --pack-src: url('../assets/pack.webp');
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 20px);
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  min-height: 100vh;
}

img, svg, video, canvas { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { list-style: none; }
::selection { background: var(--teal-hi); color: var(--text); }

:focus-visible { outline: 2px solid var(--teal-bright); outline-offset: 3px; border-radius: 4px; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px;
  clip: rect(0 0 0 0); clip-path: inset(50%); overflow: hidden; white-space: nowrap;
}

main { position: relative; z-index: 1; }

/* ---------- Global background layers ---------- */
.bg-layers { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.bg-layers .bg-radial {
  position: absolute; inset: 0;
  background:
    radial-gradient(65% 45% at 50% -5%, rgba(3, 54, 81, 0.22), transparent 65%),
    radial-gradient(50% 35% at 85% 60%, rgba(3, 54, 81, 0.08), transparent 70%),
    radial-gradient(45% 35% at 10% 85%, rgba(3, 54, 81, 0.07), transparent 70%);
}
.bg-layers .bg-grid {
  position: absolute; inset: 0; opacity: 0.035;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.5) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(70% 60% at 50% 20%, #000 0%, transparent 80%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 20%, #000 0%, transparent 80%);
}
.bg-layers .bg-noise {
  position: absolute; inset: 0; opacity: 0.032;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
#bg-particles {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  width: 100vw; height: 100vh;
}

/* ---------- Layout primitives ---------- */
.wrap { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }

.section { position: relative; padding-block: clamp(84px, 10vw, 140px); }

.section-head { max-width: 660px; margin-bottom: clamp(44px, 5.5vw, 68px); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .eyebrow { justify-content: center; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-display);
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--teal-bright);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: ""; width: 22px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--teal-bright));
}
.section-head.center .eyebrow::after {
  content: ""; width: 22px; height: 1px;
  background: linear-gradient(90deg, var(--teal-bright), transparent);
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 650;
  letter-spacing: -0.025em;
  line-height: 1.02;
  text-wrap: balance;
}
.h2, .section-head h2 { font-size: clamp(34px, 4.6vw, 56px); }

.lead {
  color: var(--text-2);
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.62;
  margin-top: 20px;
  text-wrap: pretty;
}

.text-glow { text-shadow: 0 0 32px rgba(63, 193, 232, 0.35); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 52px; padding: 0 26px;
  border-radius: 12px;
  font-family: var(--font-body); font-size: 15.5px; font-weight: 600;
  color: var(--text); text-decoration: none; white-space: nowrap;
  border: 1px solid transparent;
  transition: transform 0.22s var(--ease), background 0.22s var(--ease),
              border-color 0.22s var(--ease), box-shadow 0.22s var(--ease);
  will-change: transform;
}
.btn:active { transform: translateY(1px) scale(0.99); }

.btn-primary {
  background: linear-gradient(180deg, #0A4A6B 0%, var(--teal) 100%);
  box-shadow: 0 0 30px rgba(3, 54, 81, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.14);
}
.btn-primary:hover {
  background: linear-gradient(180deg, #0D5C85 0%, var(--teal-hi) 100%);
  box-shadow: 0 0 44px rgba(7, 85, 115, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.18);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.12);
  color: var(--text);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-sm { height: 40px; padding: 0 18px; font-size: 14px; border-radius: 10px; }

.link-arrow {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--text-2); text-decoration: none; font-weight: 500; font-size: 15px;
  transition: color 0.2s var(--ease), gap 0.25s var(--ease);
}
.link-arrow:hover { color: var(--teal-bright); gap: 12px; }
.link-arrow .arr { transition: transform 0.25s var(--ease); }
.link-arrow:hover .arr { transform: translateX(2px); }

/* ---------- Store badges ---------- */
.store-badge {
  display: inline-flex; align-items: center; gap: 12px;
  min-width: 178px; padding: 9px 18px 10px 16px;
  border: 1px solid var(--border); border-radius: 12px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text); text-decoration: none;
  transition: transform 0.22s var(--ease), border-color 0.22s var(--ease),
              background 0.22s var(--ease), box-shadow 0.22s var(--ease);
}
.store-badge:hover {
  transform: translateY(-2px);
  border-color: var(--border-hi);
  background: rgba(3, 54, 81, 0.14);
  box-shadow: 0 8px 28px -8px rgba(7, 85, 115, 0.45);
}
.store-badge svg { width: 24px; height: 24px; fill: currentColor; flex: none; }
.store-badge .sb-col { display: flex; flex-direction: column; line-height: 1.15; text-align: left; }
.store-badge .sb-top { font-size: 10px; color: var(--text-2); letter-spacing: 0.04em; }
.store-badge .sb-name { font-size: 15.5px; font-weight: 600; letter-spacing: -0.01em; }

/* ---------- Glow orb (ambient turquoise light) ---------- */
.glow-orb {
  position: absolute; border-radius: 50%;
  background: radial-gradient(circle, rgba(3, 54, 81, 0.75), transparent 60%);
  filter: blur(20px);
  pointer-events: none;
}

/* ============================================================
   Trading card component
   The art layer holds a real Riftbound card scan, which already carries
   its own frame, sigils and nameplate — so the card only supplies the
   rarity glow, the foil sweep and the sheen on top.
   <div class="rc-card rarity-rare foil" data-tilt>
     <div class="rc-card-art"><img src="assets/cards/rb5.webp" alt=""></div>
     <div class="rc-card-sheen"></div>
   </div>
   Back: <div class="rc-card back"><img class="rc-back-logo" src="assets/logo.png" alt=""></div>
   ============================================================ */
.rc-card {
  position: relative;
  width: 160px;
  aspect-ratio: 63 / 88;
  border-radius: 12px;
  overflow: hidden;
  background: linear-gradient(160deg, #10232B 0%, #08131A 62%);
  border: 1px solid var(--border);
  box-shadow:
    0 18px 40px -12px rgba(0, 0, 0, 0.72),
    0 0 26px -10px color-mix(in srgb, var(--rar, #7D8A90) 55%, transparent);
  transform-style: preserve-3d;
  --rar: #7D8A90;
}
.rc-card::before { /* inner frame */
  content: ""; position: absolute; inset: 6px; z-index: 2;
  border: 1px solid color-mix(in srgb, var(--rar) 34%, rgba(255, 255, 255, 0.10));
  border-radius: 8px; pointer-events: none;
}

.rarity-common    { --rar: #7D8A90; }
.rarity-uncommon  { --rar: #3FA88F; }
.rarity-rare      { --rar: #1C9BD1; }
.rarity-epic      { --rar: #5FD4E8; }
.rarity-legendary { --rar: #D9B36C; }

.rc-card-art {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(130% 90% at 50% -10%, color-mix(in srgb, var(--rar) 30%, transparent), transparent 55%),
    radial-gradient(90% 70% at 80% 110%, color-mix(in srgb, var(--rar) 14%, transparent), transparent 60%),
    linear-gradient(165deg, #0F212A 0%, #07121A 70%);
}
.rc-card-art > img { /* real card scan, fills the art layer edge to edge */
  position: absolute; inset: 0; z-index: 0;
  display: block; width: 100%; height: 100%;
  object-fit: cover;
}
.rc-card-art::after { /* faint diagonal texture */
  content: ""; position: absolute; inset: 0; z-index: 1; opacity: 0.5;
  background: repeating-linear-gradient(115deg, transparent 0 10px, rgba(255, 255, 255, 0.015) 10px 11px);
}

/* A card carrying real art needs no synthetic inner frame. */
.rc-card:has(.rc-card-art > img)::before { display: none; }

.rc-card.foil .rc-card-art::before {
  content: ""; position: absolute; inset: -40%; z-index: 1;
  background: conic-gradient(from 210deg at 50% 45%,
    transparent 0deg, rgba(63, 193, 232, 0.14) 40deg, transparent 90deg,
    transparent 160deg, rgba(217, 179, 108, 0.10) 220deg, transparent 280deg);
  animation: foil-drift 7s linear infinite;
  mix-blend-mode: screen;
}
@keyframes foil-drift { to { transform: rotate(1turn); } }

.rc-card-sheen {
  position: absolute; inset: 0; z-index: 4; pointer-events: none;
  background: radial-gradient(240px circle at var(--mx, 50%) var(--my, 50%),
    rgba(255, 255, 255, 0.17), transparent 46%);
  opacity: 0; mix-blend-mode: screen;
  transition: opacity 0.3s var(--ease);
}
.rc-card:hover .rc-card-sheen { opacity: 1; }

/* Card back */
.rc-card.back { background: linear-gradient(160deg, #0A2434 0%, #04101A 70%); }
.rc-card.back::after {
  content: ""; position: absolute; inset: 0; opacity: 0.6;
  background:
    radial-gradient(80% 60% at 50% 45%, rgba(7, 85, 115, 0.4), transparent 70%),
    repeating-linear-gradient(45deg, transparent 0 12px, rgba(63, 193, 232, 0.03) 12px 13px);
}
.rc-back-logo {
  position: absolute; inset: 0; margin: auto; z-index: 2;
  width: 52%; height: auto;
  filter: drop-shadow(0 0 18px rgba(63, 193, 232, 0.5));
}

/* ============================================================
   Phone component
   <div class="phone"><div class="phone-screen"> … </div></div>
   ============================================================ */
.phone {
  position: relative;
  width: min(320px, 82vw);
  aspect-ratio: 9 / 19.4;
  padding: 11px;
  border-radius: 48px;
  background: linear-gradient(155deg, #1B2731 0%, #0A1015 42%, #060B0F 100%);
  box-shadow:
    0 44px 90px -24px rgba(0, 0, 0, 0.85),
    0 0 0 1px rgba(255, 255, 255, 0.08),
    0 0 70px -18px var(--teal-glow);
}
.phone::before { /* dynamic island */
  content: ""; position: absolute; z-index: 6;
  top: 22px; left: 50%; transform: translateX(-50%);
  width: 31%; height: 2.9%;
  background: #020507; border-radius: 20px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}
.phone::after { /* side key */
  content: ""; position: absolute; right: -2px; top: 21%;
  width: 3px; height: 9%; border-radius: 2px;
  background: linear-gradient(180deg, #223140, #0C141A);
}
.phone-screen {
  position: relative; width: 100%; height: 100%;
  border-radius: 38px; overflow: hidden;
  background: radial-gradient(130% 100% at 50% 0%, #0A1B24 0%, #05090B 72%);
}

/* ============================================================
   Booster pack component
   The real RipRift booster artwork, which already carries the foil, the
   crimped edges and the set nameplate — so the component only sizes it and
   drops a shadow. The shadow is a filter, not a box-shadow, so it follows the
   pack's silhouette instead of a rectangle behind its transparent margins.
   <div class="booster"><img src="assets/pack.webp" alt=""></div>
   ============================================================ */
.booster {
  position: relative;
  width: 190px;
}
.booster > img {
  display: block;
  width: 100%;
  height: auto;
  filter: drop-shadow(0 22px 30px rgba(0, 0, 0, 0.62));
}

/* ---------- Scroll reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  filter: blur(3px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease), filter 0.7s var(--ease);
  transition-delay: var(--reveal-delay, 0s);
}
[data-reveal].revealed { opacity: 1; transform: translateY(0); filter: blur(0); }

/* ---------- Float utility ---------- */
@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; filter: none; }
}