/* Variables set per-page via body[data-platform] selector */
body[data-platform="spotify"]   { --plat-accent: var(--plat-spotify);  --plat-glow: 29,185,84; }
body[data-platform="youtube"]   { --plat-accent: var(--plat-youtube);  --plat-glow: 255,59,48; }
body[data-platform="instagram"] { --plat-accent: var(--plat-instagram);--plat-glow: 0,178,255; }
body[data-platform="tiktok"]    { --plat-accent: var(--plat-tiktok-pink); --plat-glow: 255,0,80; }

/* TikTok needs dual-color glow */
body[data-platform="tiktok"] .hero-compact::before {
  background: radial-gradient(circle, rgba(255,0,80,0.10) 0%, transparent 50%),
              radial-gradient(circle, rgba(0,230,255,0.06) 0%, transparent 60%);
}
/* (TikTok accent shadow removed — was making "PROMOTION" look lit-up
   relative to the other platform pages. Now consistent across all four.) */

/* Platform-tinted hero glow */
.platform-page .hero-compact::before {
  background: radial-gradient(circle, rgba(var(--plat-glow), 0.10) 0%, transparent 60%);
}

/* Animated flicker top-right — recolored per platform */
.platform-page .hero-compact::after {
  background: radial-gradient(circle,
    rgba(var(--plat-glow), 0.65) 0%,
    rgba(var(--plat-glow), 0.22) 30%,
    transparent 70%);
}
body[data-platform="tiktok"] .hero-compact::after {
  background:
    radial-gradient(circle at 40% 50%, rgba(255,0,80,0.55) 0%, transparent 60%),
    radial-gradient(circle at 60% 50%, rgba(0,230,255,0.45) 0%, transparent 60%);
}

/* ============================================================
   Platform H1 — PIXAR SPOTLIGHT REVEAL
   A warm light beam sweeps across the title from left to right.
   Color of the "revealed" state matches each platform's brand accent.
   TikTok uses a pink → cyan dual-tone reveal.
   ============================================================ */
.platform-page .hero-compact h1 {
  position: relative;
  background-image: linear-gradient(
    100deg,
    transparent 0%,
    transparent 28%,
    rgba(255, 255, 255, 0.55) 38%,
    #FFFFFF 50%,
    rgba(255, 255, 255, 0.8) 58%,
    var(--plat-accent) 72%,
    var(--plat-accent) 100%
  );
  background-size: 400% 100%;
  background-position: 0% 0;
  background-repeat: no-repeat;
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  animation: plat-h1-spotlight 2s cubic-bezier(0.16, 1, 0.3, 1) 0s forwards;
}

.platform-page .hero-compact h1 .accent {
  color: inherit;
  -webkit-text-fill-color: inherit;
}

@keyframes plat-h1-spotlight {
  from { background-position: 0% 0; }
  to   { background-position: 100% 0; }
}

/* TikTok: solid pink reveal — matches the rest of the page accent (DISCOVERY, bullets, button). */
body[data-platform="tiktok"] .hero-compact h1 {
  background-image: linear-gradient(
    100deg,
    transparent 0%,
    transparent 28%,
    rgba(255, 255, 255, 0.55) 38%,
    #FFFFFF 50%,
    rgba(255, 255, 255, 0.8) 58%,
    var(--plat-tiktok-pink) 72%,
    var(--plat-tiktok-pink) 100%
  );
}

/* Spotlight halo (the "lamp") traversing behind the h1 — colored per platform */
.platform-page .hero-compact h1::before {
  content: '';
  position: absolute;
  top: 50%;
  left: -20%;
  transform: translateY(-50%);
  width: 35%;
  height: 240%;
  background: radial-gradient(
    ellipse at center,
    rgba(255, 255, 255, 0.4) 0%,
    rgba(var(--plat-glow), 0.2) 35%,
    transparent 65%
  );
  filter: blur(40px);
  z-index: -1;
  pointer-events: none;
  opacity: 0;
  animation: plat-h1-spotlight-halo 2s cubic-bezier(0.16, 1, 0.3, 1) 0s forwards;
}

@keyframes plat-h1-spotlight-halo {
  0%   { opacity: 0; left: -25%; }
  18%  { opacity: 1; }
  80%  { opacity: 1; }
  100% { opacity: 0; left: 115%; }
}

@media (prefers-reduced-motion: reduce) {
  .platform-page .hero-compact h1,
  .platform-page .hero-compact h1::before {
    animation: none !important;
    background-position: 100% 0 !important;
    opacity: 1;
    left: auto;
  }
}

/* Platform-tinted accents on this page only */
.platform-page .section-label { color: var(--plat-accent); }
.platform-page .section-label::before {
  background: var(--plat-accent);
  box-shadow: 0 0 16px var(--plat-accent);
}
.platform-page .section h2 .accent { color: var(--plat-accent); }
.platform-page .accent { color: var(--plat-accent); }

/* ============================================================
   PLATFORM STATS — 2x2 grid of count-up metrics + detail block
   ============================================================ */
.platform-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px 36px;
  margin: 36px 0 0;
}
.platform-stat {
  padding: 22px 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0.005));
  border: 1px solid var(--ic-rule);
  border-radius: 8px;
  position: relative;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.platform-stat:hover {
  border-color: rgba(var(--plat-glow), 0.5);
  transform: translateY(-2px);
}
.platform-stat-value {
  font-size: clamp(32px, 4.5vw, 56px);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--plat-accent);
  margin: 0 0 10px;
  text-shadow: 0 0 28px rgba(var(--plat-glow), 0.35);
}
.platform-stat-label {
  font-size: 13px;
  color: var(--ic-muted);
  letter-spacing: 0.04em;
  line-height: 1.45;
}
.platform-stats-detail {
  margin: 44px 0 0;
  padding: 32px 32px;
  background: var(--ic-bg-soft);
  border: 1px solid var(--ic-rule);
  border-radius: 8px;
  position: relative;
  overflow: hidden;
}
.platform-stats-detail::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -100px;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(var(--plat-glow), 0.12) 0%, transparent 65%);
  pointer-events: none;
  z-index: 0;
}
.platform-stats-detail > * { position: relative; z-index: 1; }
.platform-stats-detail h3 {
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  color: var(--ic-text);
}
.platform-stats-detail p {
  font-size: 14.5px;
  color: var(--ic-muted);
  line-height: 1.6;
  margin: 0 0 12px;
  max-width: 760px;
}
.platform-stats-detail p:last-child { margin-bottom: 0; }

@media (max-width: 900px) {
  .platform-stats {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .platform-stat { padding: 18px 20px; }
  .platform-stats-detail { padding: 24px 22px; }
}

/* Compact method (1-liner per step) */
.platform-method-compact {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 36px 0 0;
}
.platform-method-compact .method-step::before { background: var(--plat-accent); }
.platform-method-compact .method-step:nth-child(2)::before {
  background: linear-gradient(
    to right,
    var(--plat-accent) 0 32px,
    transparent  32px 38px,
    var(--plat-accent) 38px 70px
  );
}
.platform-method-compact .method-step:nth-child(3)::before {
  background: linear-gradient(
    to right,
    var(--plat-accent) 0 32px,
    transparent  32px 38px,
    var(--plat-accent) 38px 70px,
    transparent  70px 76px,
    var(--plat-accent) 76px 108px
  );
}
.platform-method-compact .method-step-num { color: var(--plat-accent); }

/* Deliverables list */
.platform-deliverables {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 32px;
  margin: 36px 0 0;
}
.platform-deliverables li {
  padding: 14px 0 14px 24px;
  border-bottom: 1px solid var(--ic-rule);
  font-size: 14px;
  line-height: 1.5;
  position: relative;
}
.platform-deliverables li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--plat-accent);
  font-weight: 700;
}

/* Proof grid (variable count: 1, 2, or 3 cards) */
.platform-proof {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 36px;
  margin: 54px 0 0;
  padding: 18px 0;
}
.platform-proof .proof-card {
  position: relative;
  isolation: isolate;
  overflow: visible;
}
/* Landscape screenshots: show full image, no crop */
.platform-proof .proof-card-img {
  aspect-ratio: auto;
  height: auto;
  background: #000;
}
.platform-proof .proof-card-img img {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}
.platform-proof .proof-card::before {
  content: '';
  position: absolute;
  inset: -28px;
  z-index: -1;
  background:
    radial-gradient(circle at center,
      rgba(var(--plat-glow), 0.55) 0%,
      rgba(var(--plat-glow), 0.22) 35%,
      transparent 70%);
  filter: blur(28px);
  pointer-events: none;
  opacity: 0.85;
  transition: opacity 0.35s ease, inset 0.35s ease;
}
.platform-proof .proof-card:hover::before {
  inset: -36px;
  opacity: 1;
}
body[data-platform="tiktok"] .platform-proof .proof-card::before {
  background:
    radial-gradient(circle at 35% 40%, rgba(255, 0, 80, 0.55) 0%, transparent 65%),
    radial-gradient(circle at 65% 60%, rgba(0, 230, 255, 0.45) 0%, transparent 65%);
}
.platform-proof .proof-card:hover {
  border-color: rgba(var(--plat-glow), 0.5);
}
.platform-proof .proof-card-value { color: var(--plat-accent); }

/* Platform-colored primary CTA (only on this page — header CTA stays green) */
.platform-page .btn-primary {
  background: var(--plat-accent);
  color: #FFFFFF;
  text-shadow: 0 1px 2px rgba(0,0,0,0.35), 0 0 1px rgba(0,0,0,0.5);
  box-shadow:
    0 0 0 1px rgba(var(--plat-glow), 0.3),
    0 0 40px -10px rgba(var(--plat-glow), 0.5);
}
@media (hover: hover) {
  .platform-page .btn-primary:hover {
    box-shadow:
      0 0 0 1px rgba(var(--plat-glow), 0.5),
      0 0 60px -10px rgba(var(--plat-glow), 0.7);
  }
}
/* TikTok primary CTA: solid cyan, matches the title accent (handled by --plat-accent). */

/* TikTok proof screenshots: crop the top ~20% (system bar / search header)
   by scaling the image 1.25 and shifting up 10% of its height. */
body[data-platform="tiktok"] .platform-proof .proof-card-img {
  overflow: hidden;
}
body[data-platform="tiktok"] .platform-proof .proof-card-img img {
  transform: scale(1.25) translateY(-10%);
  transform-origin: center center;
}

/* TODO placeholder for missing screenshots */
.proof-todo {
  background: var(--ic-bg-soft);
  border: 1px dashed var(--ic-rule);
  border-radius: 6px;
  padding: 48px 24px;
  text-align: center;
  font-size: 12px;
  color: var(--ic-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* YouTube only: 2 cards on top, 3rd centered below (bigger landscape screens) */
@media (min-width: 901px) {
  body[data-platform="youtube"] .platform-proof {
    grid-template-columns: 1fr 1fr;
    max-width: 980px;
    margin-left: auto;
    margin-right: auto;
  }
  body[data-platform="youtube"] .platform-proof .proof-card:nth-child(3) {
    grid-column: 1 / -1;
    justify-self: center;
    width: calc(50% - 20px);
  }
}

@media (max-width: 900px) {
  .platform-method-compact, .platform-deliverables { grid-template-columns: 1fr; }
  /* Halve list line-spacing on mobile */
  .platform-deliverables { gap: 0; }
  .platform-deliverables li { padding: 8px 0 8px 22px; font-size: 13px; }
  .platform-proof { gap: 28px; padding: 12px 0; }
  .platform-proof .proof-card::before {
    inset: -16px;
    filter: blur(18px);
    opacity: 0.7;
  }
}
@media (max-width: 640px) {
  .platform-proof .proof-card::before {
    inset: -12px;
    filter: blur(14px);
  }
}