/* ═══════════════════════════════════════════════════
   InferencePort AI — Design System
   Editorial / spec-sheet. Light. Hairlines over shadows.
   Surface colours: App = blue · Console = violet · Chat = gold · Orgs = teal
   ═══════════════════════════════════════════════════ */

:root {
  /* ── Brand (unchanged) ── */
  --brand: #4f7cff;
  --brand-hover: #3b6ae0;
  --brand-ink: #2f56c9;
  --brand-dim: rgba(79, 124, 255, 0.08);
  --brand-border: rgba(79, 124, 255, 0.28);

  --gold: #fcd704;
  --gold-ink: #7a5a00;
  --gold-dim: rgba(252, 215, 4, 0.16);
  --gold-border: rgba(252, 215, 4, 0.6);

  --purple: #8b5cf6;
  --purple-ink: #6d3fe0;
  --purple-dim: rgba(139, 92, 246, 0.08);
  --purple-border: rgba(139, 92, 246, 0.3);

  --cyan: #06b6d4;
  --cyan-ink: #0e7490;
  --cyan-dim: rgba(6, 182, 212, 0.08);
  --cyan-border: rgba(6, 182, 212, 0.3);

  --success: #10b981;
  --success-dim: rgba(16, 185, 129, 0.08);
  --success-border: rgba(16, 185, 129, 0.25);
  --danger: #ef4444;
  --danger-dim: rgba(239, 68, 68, 0.08);
  --danger-border: rgba(239, 68, 68, 0.25);

  /* ── Surfaces: a faint warm paper tone against white ── */
  --bg: #ffffff;
  --bg-alt: #f7f7f5;
  --paper: #fbfbf9;
  --surface: #ffffff;
  --surface-hover: #f3f3f0;

  /* ── Ink ── */
  --ink: #0b0f1a;
  --night: #0b0f1a;
  --night-2: #131a2b;
  --text: #0b0f1a;
  --text-body: #3f4756;
  --text-muted: #6b7280;

  /* ── Lines ── */
  --border: #e3e3df;
  --border-light: #efefeb;
  --rule: #0b0f1a;

  /* ── Shadows (almost none — structure comes from lines) ── */
  --shadow-sm: none;
  --shadow: 0 1px 0 rgba(11, 15, 26, 0.04);
  --shadow-md: 0 14px 30px -18px rgba(11, 15, 26, 0.28);
  --shadow-lg: 0 24px 50px -24px rgba(11, 15, 26, 0.32);

  /* ── Radius: tight ── */
  --radius: 4px;
  --radius-lg: 6px;
  --radius-xl: 8px;

  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --muted: #6b7280;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";
}

ip-navbar { display: block; }
ip-footer { display: block; }

::selection { background: var(--gold); color: var(--ink); }

h1, h2, h3, h4, h5, h6 { color: var(--text); letter-spacing: -0.025em; }

a { color: var(--brand-ink); text-decoration: none; transition: color 0.15s var(--ease); }
a:hover { color: var(--ink); }

:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }

/* ═════════ Navigation ═════════ */
.ipn {
  position: sticky; top: 0; z-index: 1000;
  background: var(--bg);
  border-bottom: 1px solid var(--ink);
}
.ipn-bar {
  max-width: 1240px; margin: 0 auto; padding: 0 24px;
  height: 56px; display: flex; align-items: center; gap: 28px;
}
.ipn-brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 0.98rem; letter-spacing: -0.03em; color: var(--ink);
}
.ipn-brand:hover { color: var(--ink); }
.ipn-mark { width: 14px; height: 25px; flex: none; filter: drop-shadow(0 0 0 transparent); }
.ipn-brand em { font-style: normal; color: var(--ink); background: linear-gradient(transparent 62%, var(--gold) 62%); }

.ipn-links { display: flex; align-items: stretch; height: 100%; gap: 2px; margin: 0; padding: 0; list-style: none; }
.ipn-links > li { display: flex; position: relative; }
.ipn-link {
  display: inline-flex; align-items: center; gap: 7px; padding: 0 12px;
  font-size: 0.84rem; font-weight: 500; color: var(--text-body); background: none; border: 0; cursor: pointer;
  font-family: inherit;
}
.ipn-link:hover, .ipn-link.active { color: var(--ink); }
.ipn-link.active { box-shadow: inset 0 -3px 0 var(--gold); }
.ipn-caret { width: 8px; height: 8px; opacity: 0.55; transition: transform 0.15s var(--ease); }
.ipn-dd[aria-expanded="true"] .ipn-caret { transform: rotate(180deg); }

.ipn-menu {
  display: none; position: absolute; top: 100%; left: -8px; width: 372px;
  background: var(--bg); border: 1px solid var(--ink); border-top: 0;
  box-shadow: var(--shadow-lg); padding: 6px;
}
.ipn-item:hover > .ipn-menu, .ipn-item:focus-within > .ipn-menu, .ipn-item.open > .ipn-menu { display: block; }
.ipn-m {
  display: grid; grid-template-columns: 10px 1fr; gap: 0 12px; padding: 11px 12px;
  color: var(--text-body); border-radius: 2px;
}
.ipn-m:hover { background: var(--bg-alt); color: var(--ink); }
.ipn-m i { width: 9px; height: 9px; margin-top: 6px; display: block; }
.ipn-m b { display: block; color: var(--ink); font-size: 0.86rem; font-weight: 650; letter-spacing: -0.01em; }
.ipn-m span { display: block; font-size: 0.78rem; color: var(--text-muted); line-height: 1.45; margin-top: 1px; }
.ipn-m .dot-app { background: var(--brand); }
.ipn-m .dot-console { background: var(--purple); }
.ipn-m .dot-chat { background: var(--gold); }
.ipn-m .dot-org { background: var(--cyan); }
.ipn-m .dot-shield { background: var(--ink); }

.ipn-right { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.ipn-cta, .ipn-ghost {
  display: inline-flex; align-items: center; height: 34px; padding: 0 14px;
  font-size: 0.82rem; font-weight: 650; border-radius: var(--radius); white-space: nowrap;
}
.ipn-cta { background: var(--gold); color: var(--ink); border: 1px solid var(--ink); }
.ipn-cta:hover { background: var(--ink); border-color: var(--ink); color: var(--gold); }
.ipn-ghost { color: var(--ink); border: 1px solid var(--border); background: var(--bg); }
.ipn-ghost:hover { border-color: var(--ink); color: var(--ink); }

.ipn-burger { display: none; margin-left: auto; width: 40px; height: 40px; background: none; border: 1px solid var(--border); border-radius: var(--radius); cursor: pointer; align-items: center; justify-content: center; }
.ipn-burger span, .ipn-burger span::before, .ipn-burger span::after { display: block; width: 16px; height: 1.5px; background: var(--ink); content: ""; position: relative; }
.ipn-burger span::before { position: absolute; top: -5px; }
.ipn-burger span::after { position: absolute; top: 5px; }

@media (max-width: 991px) {
  .ipn-bar { height: 56px; }
  .ipn-burger { display: inline-flex; }
  .ipn-panel {
    display: none; position: absolute; top: 56px; left: 0; right: 0; background: var(--bg);
    border-bottom: 1px solid var(--ink); padding: 8px 24px 20px; max-height: calc(100vh - 56px); overflow-y: auto;
  }
  .ipn.open .ipn-panel { display: block; }
  .ipn-links { flex-direction: column; height: auto; }
  .ipn-links > li { flex-direction: column; border-bottom: 1px solid var(--border-light); }
  .ipn-link { padding: 14px 0; font-size: 0.95rem; justify-content: space-between; }
  .ipn-link.active { box-shadow: none; }
  .ipn-menu { position: static; width: auto; display: block; border: 0; box-shadow: none; padding: 0 0 8px; }
  .ipn-caret { display: none; }
  .ipn-right { margin: 16px 0 0; flex-direction: column; align-items: stretch; }
  .ipn-cta, .ipn-ghost { height: 44px; justify-content: center; }
}
@media (min-width: 992px) { .ipn-panel { display: flex; flex: 1; align-items: stretch; gap: 28px; height: 100%; } .ipn-right { align-self: center; } }

/* legacy nav class names kept so any inline page CSS still resolves */
.navbar { background: var(--bg); }
.nav-pill-download, .nav-pill-chat, .nav-pill-console { display: inline-flex; }

/* ═════════ Buttons ═════════ */
.btn-brand, .btn-hero-download {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--gold); color: var(--ink); border: 1px solid var(--ink);
  border-radius: var(--radius); padding: 12px 22px; font-weight: 700; font-size: 0.9rem; letter-spacing: -0.01em;
  box-shadow: 3px 3px 0 var(--ink);
  transition: transform 0.12s var(--ease), box-shadow 0.12s var(--ease);
}
.btn-brand:hover, .btn-hero-download:hover { color: var(--ink); transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink); }

.btn-ghost, .btn-hero-solutions {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--bg); color: var(--ink); border: 1px solid var(--ink);
  border-radius: var(--radius); padding: 12px 22px; font-weight: 650; font-size: 0.9rem; letter-spacing: -0.01em;
  transition: background 0.15s var(--ease), color 0.15s var(--ease);
}
.btn-ghost:hover, .btn-hero-solutions:hover { background: var(--ink); color: #fff; }

.btn-hero-chat {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--gold-dim); color: var(--gold-ink); border: 1px solid var(--gold-border);
  border-radius: var(--radius); padding: 12px 22px; font-weight: 650; font-size: 0.9rem;
  transition: background 0.15s var(--ease);
}
.btn-hero-chat:hover { background: rgba(251, 191, 36, 0.24); color: #78350f; }

.btn-hero-console {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--purple-dim); color: var(--purple-ink); border: 1px solid var(--purple-border);
  border-radius: var(--radius); padding: 12px 22px; font-weight: 650; font-size: 0.9rem;
  transition: background 0.15s var(--ease);
}
.btn-hero-console:hover { background: rgba(139, 92, 246, 0.16); color: var(--purple-ink); }

/* ═════════ Section typography ═════════ */
.section-tag {
  font-family: var(--mono); font-size: 0.7rem; font-weight: 500; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--text-muted); margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 800; letter-spacing: -0.035em; line-height: 1.12; color: var(--text);
}
.section-title .accent { color: var(--ink); background: linear-gradient(transparent 62%, var(--gold) 62%); }
.section-sub { color: var(--text-muted); font-size: 0.95rem; max-width: 520px; line-height: 1.65; }

/* ═════════ Cards — flat, ruled ═════════ */
.ip-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 24px; height: 100%;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.ip-card:hover { border-color: var(--ink); box-shadow: var(--shadow-md); transform: none; }
.ip-card.featured { border-color: var(--ink); background: var(--paper); }

/* ═════════ Tags ═════════ */
.tag {
  font-family: var(--mono); font-size: 0.62rem; font-weight: 500; padding: 3px 8px;
  border-radius: 2px; letter-spacing: 0.06em; text-transform: uppercase; white-space: nowrap;
}
.tag-cloud  { background: var(--brand-dim); color: var(--brand-ink); border: 1px solid var(--brand-border); }
.tag-fast   { background: var(--cyan-dim); color: var(--cyan-ink); border: 1px solid var(--cyan-border); }
.tag-new    { background: var(--purple-dim); color: var(--purple-ink); border: 1px solid var(--purple-border); }
.tag-local  { background: var(--success-dim); color: #047857; border: 1px solid var(--success-border); }

/* ═════════ Hero canvas (legacy pages only) ═════════ */
.hero-section, .page-hero, .hero { position: relative; z-index: 0; }
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; pointer-events: none; opacity: 0.55; }
@media (prefers-reduced-motion: reduce) { .hero-canvas { display: none; } }

/* ═════════ Footer ═════════ */
ip-footer { display: block; background: var(--night); color: #9aa3b5; }
.ipf { max-width: 1240px; margin: 0 auto; padding: 72px 24px 32px; }
.ipf-top { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 40px; }
.ipf-brand { font-weight: 800; font-size: 1.05rem; letter-spacing: -0.03em; color: #fff; display: inline-flex; align-items: center; gap: 10px; }
.ipf-brand em { font-style: normal; color: var(--gold); }
.ipf-blurb { font-size: 0.84rem; line-height: 1.65; margin-top: 14px; max-width: 300px; color: #8a93a6; }
.ipf h4 { font-family: var(--mono); font-size: 0.68rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: #6b7487; margin: 0 0 16px; }
.ipf ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.ipf a { color: #c3c9d6; font-size: 0.86rem; }
.ipf a:hover { color: #fff; }
.ipf-bottom { margin-top: 56px; padding-top: 24px; border-top: 1px solid #222b3f; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: 0.78rem; color: #6b7487; }
.ipf-bottom a { color: #8a93a6; font-size: 0.78rem; }
@media (max-width: 860px) { .ipf-top { grid-template-columns: 1fr 1fr; } .ipf-top > :first-child { grid-column: 1 / -1; } }

/* legacy */
.footer-inner { padding: 2rem 0; font-size: 0.82rem; color: var(--text-muted); }
.footer-links { display: flex; gap: 1.25rem; flex-wrap: wrap; }

/* ═════════ Scroll reveal (subtle) ═════════ */
.reveal { opacity: 0; transform: translateY(10px); transition: opacity 0.5s var(--ease), transform 0.5s var(--ease); }
.reveal.visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: 0.06s; }
.reveal-delay-2 { transition-delay: 0.12s; }
.reveal-delay-3 { transition-delay: 0.18s; }
.reveal-delay-4 { transition-delay: 0.24s; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* ═════════ Utility ═════════ */
.text-brand { color: var(--brand); }
.text-gold { color: var(--gold); }
.text-muted { color: var(--text-muted) !important; }
.text-body { color: var(--text-body); }
.fw-700 { font-weight: 700; }
.fw-800 { font-weight: 800; }
.section-divider { height: 1px; background: var(--border); margin: 0; }

@media (max-width: 576px) {
  .hero-cta-group { flex-direction: column !important; align-items: stretch !important; gap: 10px !important; padding: 0 10px; }
  .hero-cta-group .btn { width: 100%; text-align: center; }
}

/* ═════════ Harmonization for pages not yet rebuilt in the editorial system ═════════
   (pricing, shield, security, marketplace, install, tools keep their markup;
   these rules align their hero and surfaces with the new look.) */
.hero-canvas { display: none !important; }
.hero-section, .page-hero, .hero { background: none !important; border-bottom: 1px solid var(--ink); }
.hero-eyebrow, .pulse-badge {
  border-radius: 2px !important; background: transparent !important;
  border: 1px solid var(--ink) !important; color: var(--ink) !important;
}
.hero-title, .page-hero h1, .hero h1 { letter-spacing: -0.05em !important; }
[class*="card"]:not(.carousel-card) { border-radius: 6px !important; }
.popular-pill, .model-pill, .decision-badge, .gpu-badge { border-radius: 2px !important; }
html, body { overflow-x: clip; }

/* yellow theme on legacy heroes */
.hero-title .accent, .page-hero h1 .accent { color: var(--ink) !important; background: linear-gradient(transparent 62%, var(--gold) 62%); }
.ip-card.featured { box-shadow: 4px 4px 0 var(--gold); }

/* ═════════ Mega menu ═════════ */
.ipn-item { position: static !important; }
.ipn-menu { left: 0 !important; right: 0; width: auto !important; border: 0 !important; border-bottom: 1px solid var(--ink) !important; box-shadow: 0 30px 40px -28px rgba(11,15,26,.35) !important; padding: 0 !important; }
.ipn-mega { max-width: 1240px; margin: 0 auto; padding: 28px 24px 30px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px 32px; }
.ipn-col h5 { font-family: var(--mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--text-muted); margin: 0 0 10px 12px; font-weight: 500; }
.ipn-m { grid-template-columns: 40px minmax(0, 1fr) !important; gap: 0 14px !important; align-items: start; padding: 10px 12px !important; }
.ipn-ic { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid var(--c-line, var(--border)); background: var(--c-dim, var(--bg-alt)); color: var(--c-ink, var(--ink)); }
.ipn-ic svg { width: 20px; height: 20px; }
.ipn-m.c-api { --c-dim: rgba(11,15,26,.05); --c-ink: var(--ink); --c-line: var(--border); }
.ipn-m.c-app { --c-dim: var(--brand-dim); --c-ink: var(--brand-ink); --c-line: var(--brand-border); }
.ipn-m.c-chat { --c-dim: var(--gold-dim); --c-ink: var(--gold-ink); --c-line: var(--gold-border); }
.ipn-m.c-console { --c-dim: var(--purple-dim); --c-ink: var(--purple-ink); --c-line: var(--purple-border); }
.ipn-m.c-org { --c-dim: var(--cyan-dim); --c-ink: var(--cyan-ink); --c-line: var(--cyan-border); }
.ipn-m.c-shield { --c-dim: var(--danger-dim); --c-ink: #b91c1c; --c-line: var(--danger-border); }
.ipn-m b { font-size: .9rem !important; }
.ipn-all { display: inline-block; margin: 8px 0 0 12px; font-size: .84rem; font-weight: 650; color: var(--ink); border-bottom: 2px solid var(--gold); }
@media (max-width: 991px) {
  .ipn-menu { border-bottom: 0 !important; box-shadow: none !important; }
  .ipn-mega { grid-template-columns: minmax(0, 1fr); padding: 0 0 8px; gap: 4px; }
  .ipn-col h5 { margin: 14px 0 4px; }
  .ipn-m { padding: 8px 0 !important; }
}