/* COP31 temalı alternatif görünüm (ilk tasarım: kırmızı zemin, soluk amblem, yeşil bantlı başlıklar).
   Yalnızca <html data-theme="cop"> iken devreye girer; tema index.html'deki ayardan ya da ?theme=cop ile seçilir. */

:root[data-theme="cop"] {
  --red: #ee1c25;
  --navy: #0b2e99;
  --green: #4fbf65;
  --green-deep: #36a24f;
  --tk-blue: var(--navy);
  --tk-blue-deep: #08257f;
  --tk-green: var(--green);
  --tk-orange: var(--red);
  --tk-teal: var(--green);
  --tk-purple: var(--navy);
  --tk-red: var(--red);
  --ink: #0a1f5c;
  --muted: #5d6a8c;
  --bg: var(--red);
  --tint: #eef2fb;
  --line: #e2e7f2;
  --radius: 22px;
  --shadow: 0 14px 34px -16px rgba(4, 18, 70, 0.55);
  --shadow-hover: 0 20px 40px -14px rgba(4, 18, 70, 0.6);
  --font: "Inter Tight", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: "Outfit", "Inter Tight", system-ui, sans-serif;
}

[data-theme="cop"] body { color: #fff; }
[data-theme="cop"] :focus-visible { outline-color: #fff; }
[data-theme="cop"] .panel,
[data-theme="cop"] .file { color: var(--ink); }

[data-theme="cop"] .panel :focus-visible,
[data-theme="cop"] .card:focus-visible,
[data-theme="cop"] .company:focus-visible,
[data-theme="cop"] .date-card:focus-visible,
[data-theme="cop"] .file :focus-visible { outline-color: var(--green); }

/* ---------- Kırmızı zemin + soluk COP31 amblemi ---------- */

[data-theme="cop"] body::before,
[data-theme="cop"] body::after {
  content: "";
  position: fixed;
  z-index: -1;
  aspect-ratio: 1;
  -webkit-mask: url("../img/brand/cop31-emblem-mono.svg") center / contain no-repeat;
  mask: url("../img/brand/cop31-emblem-mono.svg") center / contain no-repeat;
  animation: drift 38s ease-in-out infinite alternate;
  pointer-events: none;
}

[data-theme="cop"] body::before {
  width: max(150vw, 900px);
  max-width: 1500px;
  top: -14vh;
  left: -42vw;
  background: rgba(0, 0, 0, 0.13);
}

[data-theme="cop"] body::after {
  width: max(115vw, 700px);
  max-width: 1200px;
  right: -55vw;
  bottom: -38vh;
  background: rgba(0, 0, 0, 0.09);
  animation-duration: 46s;
  animation-direction: alternate-reverse;
}

/* ---------- Üst bar: COP31 + ODTÜ TEKNOKENT beyaz logolar ---------- */

[data-theme="cop"] .topbar {
  position: static;
  background: transparent;
  box-shadow: none;
}

[data-theme="cop"] .stripe { display: none; }

[data-theme="cop"] .topbar__inner {
  min-height: 0;
  padding: max(16px, env(safe-area-inset-top)) 0 8px;
}

[data-theme="cop"] .topbar__brand { gap: clamp(8px, 2.6vw, 14px); }
[data-theme="cop"] .topbar__brand .topbar__cop { display: block; height: clamp(30px, 9vw, 42px); }
[data-theme="cop"] .topbar__brand .topbar__tk { height: clamp(11px, 3.2vw, 16px); filter: brightness(0) invert(1); }

[data-theme="cop"] .topbar__divider {
  display: block;
  width: 1px;
  height: clamp(22px, 6.5vw, 30px);
  background: rgba(255, 255, 255, 0.55);
}

[data-theme="cop"] .lang {
  background: rgba(255, 255, 255, 0.16);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.35);
}

[data-theme="cop"] .lang__btn { color: #fff; }
[data-theme="cop"] .lang__btn[aria-pressed="true"] { background: #fff; color: var(--red); }

/* ---------- Başlık alanı: bant yerine doğrudan kırmızı zemin ---------- */

[data-theme="cop"] .band {
  overflow: visible;
  padding: 20px 0 0;
  background: none;
}

[data-theme="cop"] .band::before { display: none; }
[data-theme="cop"] .band--hero { padding-top: 12px; }
[data-theme="cop"] .body { margin-top: 28px; }
[data-theme="cop"] .band--hero + .body { margin-top: 36px; }

[data-theme="cop"] .headline {
  font-size: clamp(40px, 13.2cqi, 88px);
  line-height: 0.94;
  letter-spacing: -0.01em;
}

[data-theme="cop"] .headline--sm { font-size: clamp(30px, 10.2cqi, 60px); }

[data-theme="cop"] .headline__line--light {
  margin-top: 0.1em;
  padding: 0.05em 0.14em 0.01em;
  background: var(--green);
  font-weight: 800;
  letter-spacing: -0.01em;
}

[data-theme="cop"] .cop-badge { display: none; }

[data-theme="cop"] .hero__text {
  max-width: 30ch;
  margin-top: 24px;
  font-size: clamp(17px, 4.8vw, 20px);
  line-height: 1.4;
  opacity: 1;
}

[data-theme="cop"] .pill {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
  padding: 13px 20px 13px 16px;
  border-radius: 16px;
  background: var(--green);
  font: 700 clamp(15px, 4.2vw, 18px)/1.1 var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  box-shadow: var(--shadow);
}

[data-theme="cop"] .pill .icon { width: 26px; height: 26px; stroke-width: 1.9; }

/* ---------- Kartlar ---------- */

[data-theme="cop"] .card,
[data-theme="cop"] .date-card,
[data-theme="cop"] .company,
[data-theme="cop"] .panel,
[data-theme="cop"] .file { border: 0; }

[data-theme="cop"] .card:nth-child(1) { --accent: var(--navy); }
[data-theme="cop"] .card:nth-child(2) { --accent: var(--red); }
[data-theme="cop"] .card:nth-child(3) { --accent: var(--green-deep); }

[data-theme="cop"] .card__logo { border-radius: var(--radius) var(--radius) 0 0; }

[data-theme="cop"] .section-label { color: #fff; }

[data-theme="cop"] .section-label::before {
  width: 22px;
  height: 6px;
  border-radius: 3px;
  background: var(--green);
}

[data-theme="cop"] .btn--primary { background: var(--green); }
[data-theme="cop"] .badge-soon::before { background: #f2b01e; }

@media (hover: hover) {
  [data-theme="cop"] .btn--primary:hover { background: var(--green-deep); }
  [data-theme="cop"] .card:hover .card__go,
  [data-theme="cop"] .date-card:hover .card__go,
  [data-theme="cop"] .company:hover .card__go { background: var(--green); }
}