/* Frames, Cogs & Ops — Subdomain index / landing page
   Built on the OpenTeams design system (ot-foundations.css). */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--ot-navy-900);
  color: var(--ot-fg);
  font-family: var(--ot-font-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body::before {
  content: "";
  position: fixed; inset: 0; z-index: -1;
  background:
    radial-gradient(ellipse 70% 50% at 12% 6%, rgba(48,86,245,0.16) 0%, transparent 55%),
    radial-gradient(ellipse 60% 50% at 90% 100%, rgba(255,132,99,0.10) 0%, transparent 55%),
    var(--ot-navy-900);
}

/* concept color mapping (mirrors the brand gradient) */
:root {
  --c-frame: var(--ot-blue-400);
  --c-frame-soft: rgba(91,123,255,0.14);
  --c-frame-line: rgba(91,123,255,0.42);
  --c-cog: var(--ot-purple-500);
  --c-cog-soft: rgba(142,91,200,0.16);
  --c-cog-line: rgba(142,91,200,0.5);
  --c-op: var(--ot-coral-500);
  --c-op-soft: rgba(255,132,99,0.14);
  --c-op-line: rgba(255,132,99,0.45);
}

/* ───────── layout ───────── */
.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 32px; }

/* ───────── nav ───────── */
.nav {
  position: sticky; top: 0; z-index: 50;
  height: 64px; display: flex; align-items: center;
  padding: 0 clamp(24px, 5vw, 80px);
  background: rgba(6,17,46,0.72);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  border-bottom: 1px solid var(--ot-border);
}
.nav .inner { width: 100%; display: flex; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; flex-shrink: 0; }
.brand img { width: 30px; height: 30px; object-fit: contain; display: block; }
.brand b { font-family: var(--ot-font-display); font-weight: 600; font-size: 19px; color: #fff; letter-spacing: -0.02em; }
.nav-links { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav-links a {
  font-family: var(--ot-font-body); font-size: 13.5px; font-weight: 500; color: var(--ot-fg-muted);
  text-decoration: none; padding: 8px 13px; border-radius: var(--ot-radius-pill); white-space: nowrap;
  transition: color var(--ot-duration-fast) var(--ot-ease), background var(--ot-duration-fast) var(--ot-ease);
}
.nav-links a:hover { color: #fff; background: rgba(255,255,255,0.06); }
@media (max-width: 820px) { .nav-links { display: none; } }

/* ───────── hero ───────── */
.hero { padding: clamp(72px, 12vw, 132px) 0 clamp(48px, 7vw, 84px); }
.hero-inner { max-width: 880px; }
.eyebrow {
  font-family: var(--ot-font-body); font-weight: 600; font-size: 13px;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--ot-blue-300);
  display: inline-flex; align-items: center; gap: 8px;
}
.eyebrow::before { content: "—"; color: inherit; }
h1.disp {
  font-family: var(--ot-font-display); font-weight: 800;
  font-size: clamp(44px, 7vw, 92px); line-height: 0.98; letter-spacing: -0.03em;
  margin: 22px 0 0; text-wrap: balance;
}
.grad { background: var(--ot-gradient-brand); -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent; }
p.lede { font-size: clamp(19px, 2.2vw, 23px); line-height: 1.5; color: var(--ot-fg-muted); margin: 26px 0 0; max-width: 720px; text-wrap: pretty; }
p.lede strong { color: #fff; font-weight: 600; }

/* one-line legend of the three primitives */
.legend { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.legend .chip {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 13.5px; font-weight: 500; color: var(--ot-fg-muted);
  background: rgba(255,255,255,0.03); border: 1px solid var(--ot-border);
  padding: 8px 15px 8px 12px; border-radius: var(--ot-radius-pill);
}
.legend .chip .dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; }
.legend .chip b { font-weight: 700; }
.legend .chip.f b { color: var(--c-frame); } .legend .chip.f .dot { background: var(--c-frame); }
.legend .chip.c b { color: #c7a6ec; }       .legend .chip.c .dot { background: var(--c-cog); }
.legend .chip.o b { color: var(--ot-coral-400); } .legend .chip.o .dot { background: var(--c-op); }

/* ───────── section groups ───────── */
.group { padding: 0 0 clamp(36px, 5vw, 56px); }
.group-head { display: flex; align-items: baseline; gap: 16px; margin: 0 0 22px; flex-wrap: wrap; }
.group-head .gnum {
  font-family: var(--ot-font-mono); font-size: 12px; color: var(--ot-fg-subtle);
  letter-spacing: 0.1em; padding-top: 2px;
}
.group-head h2 {
  font-family: var(--ot-font-display); font-weight: 800; font-size: clamp(24px, 3vw, 34px);
  line-height: 1.1; letter-spacing: -0.02em; color: #fff; margin: 0;
}
.group-head .gsub { font-size: 15px; color: var(--ot-fg-subtle); margin: 0; }

/* ───────── card grid ───────── */
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid.single { grid-template-columns: 1fr; }
@media (max-width: 720px) { .grid { grid-template-columns: 1fr; } }

.card {
  position: relative; display: flex; flex-direction: column;
  background: var(--ot-surface);
  border: 1px solid var(--ot-border);
  border-radius: var(--ot-radius-xl);
  padding: 28px 28px 24px;
  text-decoration: none; overflow: hidden;
  transition: border-color var(--ot-duration) var(--ot-ease),
              transform var(--ot-duration) var(--ot-ease),
              background var(--ot-duration) var(--ot-ease);
}
/* accent bar along the top, tinted per card */
.card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--accent, var(--ot-blue-500)); opacity: 0.85;
}
/* soft accent glow that blooms on hover */
.card::after {
  content: ""; position: absolute; top: -40%; right: -20%; width: 60%; height: 80%;
  background: radial-gradient(ellipse at center, var(--accent-glow, rgba(48,86,245,0.18)) 0%, transparent 70%);
  opacity: 0; transition: opacity var(--ot-duration) var(--ot-ease); pointer-events: none;
}
.card:hover {
  border-color: var(--ot-border-strong);
  transform: translateY(-3px);
  background: var(--ot-surface-hover);
}
.card:hover::after { opacity: 1; }

.card .kicker {
  display: inline-flex; align-items: center; gap: 7px; align-self: flex-start;
  font-family: var(--ot-font-body); font-size: 11.5px; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--accent-fg, var(--ot-blue-300));
  background: var(--accent-soft, rgba(48,86,245,0.12));
  border: 1px solid var(--accent-line, rgba(48,86,245,0.32));
  padding: 5px 11px; border-radius: var(--ot-radius-pill); margin-bottom: 18px;
}
.card h3 {
  font-family: var(--ot-font-display); font-weight: 800; font-size: 25px;
  line-height: 1.12; letter-spacing: -0.02em; color: #fff; margin: 0; text-wrap: balance;
}
.card .summary { font-size: 15.5px; line-height: 1.6; color: var(--ot-fg-muted); margin: 13px 0 0; text-wrap: pretty; }
.card .summary em { color: var(--ot-blue-200); font-style: normal; font-weight: 500; }

.card .foot {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--ot-border);
}
.card .meta { display: flex; flex-wrap: wrap; gap: 6px; }
.card .meta span {
  font-family: var(--ot-font-mono); font-size: 11px; color: var(--ot-fg-subtle);
  background: rgba(255,255,255,0.04); border: 1px solid var(--ot-border);
  padding: 3px 8px; border-radius: 6px; white-space: nowrap;
}
.card .open {
  font-family: var(--ot-font-display); font-weight: 600; font-size: 14.5px;
  color: var(--accent-fg, var(--ot-blue-300)); white-space: nowrap;
  display: inline-flex; align-items: center; gap: 6px;
}
.card .open .ar { transition: transform var(--ot-duration) var(--ot-ease); }
.card:hover .open .ar { transform: translateX(4px); }

/* accent theming */
.card.t-frame { --accent: var(--c-frame); --accent-fg: var(--c-frame); --accent-soft: var(--c-frame-soft); --accent-line: var(--c-frame-line); --accent-glow: rgba(91,123,255,0.20); }
.card.t-cog   { --accent: var(--c-cog);   --accent-fg: #c7a6ec;       --accent-soft: var(--c-cog-soft);   --accent-line: var(--c-cog-line);   --accent-glow: rgba(142,91,200,0.22); }
.card.t-op    { --accent: var(--c-op);    --accent-fg: var(--ot-coral-400); --accent-soft: var(--c-op-soft); --accent-line: var(--c-op-line); --accent-glow: rgba(255,132,99,0.20); }
.card.t-grad  { --accent-fg: var(--ot-coral-400); --accent-soft: rgba(255,132,99,0.12); --accent-line: var(--c-op-line); --accent-glow: rgba(142,91,200,0.20); }
.card.t-grad::before { background: var(--ot-gradient-brand); opacity: 1; }

/* the wide featured card (gallery) lays out in two columns on desktop */
.card.feature { padding: 32px 32px 28px; }
@media (min-width: 721px) {
  .card.feature { display: grid; grid-template-columns: 1.1fr 1fr; gap: 32px; align-items: center; }
  .card.feature .foot { grid-column: 1 / -1; }
}
.card.feature h3 { font-size: 30px; }
.card.feature .summary { font-size: 16.5px; }

/* role list inside the feature card */
.roles { display: flex; flex-wrap: wrap; gap: 7px; }
.roles span {
  font-size: 12.5px; font-weight: 500; color: var(--ot-fg-muted);
  background: rgba(255,255,255,0.04); border: 1px solid var(--ot-border);
  padding: 6px 11px; border-radius: var(--ot-radius-pill);
}

/* ───────── footer ───────── */
.foot-bar {
  margin-top: clamp(40px, 6vw, 72px); border-top: 1px solid var(--ot-border);
  padding: 40px 0 56px;
}
.foot-bar .inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.foot-bar .lockup { display: flex; align-items: center; gap: 11px; }
.foot-bar .lockup img { width: 28px; height: 28px; object-fit: contain; }
.foot-bar .lockup b { font-family: var(--ot-font-display); font-weight: 600; font-size: 17px; color: #fff; }
.foot-bar .tag { font-size: 13.5px; color: var(--ot-fg-subtle); }
.foot-bar .tag b { color: var(--ot-blue-300); font-weight: 600; }
.t-blue { color: var(--ot-blue-500); }