/*
 * Investment AI Suite UI v1 — portable design system CSS.
 * Shared across all pages in this suite. See
 * .claude/skills/jyjulianwong-iais-ui-v1/references/design-tokens.md and css-recipes.md
 * for the rationale behind each value.
 */

:root {
  --ias-ink-950: #060913;
  --ias-ink-900: #0a0f1f;
  --ias-ink-800: #10172b;
  --ias-gold: #e7c47e;
  --ias-gold-soft: #f3ddae;
  --ias-gold-deep: #a8803c;
  --ias-mint: #5ce1c6;
  --ias-mint-deep: #1f9e88;
  --ias-text: #e2e8f0;
  --ias-ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  background-color: var(--ias-ink-950);
  color: var(--ias-text);
  font-family: Inter, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.ias-font-serif {
  font-family: "Playfair Display", Georgia, serif;
  font-variant-numeric: lining-nums;
}

.ias-font-mono {
  font-family: "JetBrains Mono", ui-monospace, monospace;
}

::selection {
  background-color: #e7c47e33;
  color: var(--ias-gold-soft);
}

a:focus-visible,
button:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--ias-gold);
  outline-offset: 3px;
  border-radius: 0.5rem;
}

/* ── Ambient background ─────────────────────────────── */

.ias-aurora {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background: radial-gradient(ellipse 120% 80% at 50% -10%, var(--ias-ink-800) 0%, var(--ias-ink-950) 62%);
}

.ias-aurora::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 70% 55% at 50% 15%, #000 0%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 55% at 50% 15%, #000 0%, transparent 75%);
}

.ias-orb {
  position: absolute;
  border-radius: 9999px;
  filter: blur(100px);
  opacity: 0.32;
  will-change: transform;
  animation: ias-drift 30s ease-in-out infinite alternate;
}

/* ── Glass card ─────────────────────────────────────── */

.ias-glass {
  position: relative;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.075), rgba(255, 255, 255, 0.022));
  border: 1px solid rgba(255, 255, 255, 0.09);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.07),
    0 24px 48px -28px rgba(0, 0, 0, 0.7);
  border-radius: 1rem;
}

/* ── Cursor spotlight (pair with the pointermove snippet in css-recipes.md) ── */

.ias-spotlight {
  transition: transform 0.3s var(--ias-ease-out-expo), border-color 0.3s ease;
}

.ias-spotlight::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 50%), rgba(231, 196, 126, 0.15), transparent 60%);
}

.ias-spotlight:hover,
.ias-spotlight:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(231, 196, 126, 0.38);
}

.ias-spotlight:hover::before,
.ias-spotlight:focus-visible::before {
  opacity: 1;
}

/* ── Gradient text ──────────────────────────────────── */

.ias-text-gold-gradient {
  background: linear-gradient(120deg, var(--ias-gold-soft) 0%, var(--ias-gold) 45%, #b98a3e 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.ias-text-ivory-gradient {
  background: linear-gradient(180deg, #ffffff 30%, #a9b4c9 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ── Pipeline connector ─────────────────────────────── */

.ias-flow-line {
  position: relative;
  width: 2px;
  background-image: repeating-linear-gradient(to bottom, var(--ias-gold) 0 5px, transparent 5px 11px);
  background-size: 2px 11px;
  animation: ias-flow 1.1s linear infinite;
  opacity: 0.75;
}

.ias-flow-arrow {
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 0;
  transform: translateX(-50%);
  border-left: 4.5px solid transparent;
  border-right: 4.5px solid transparent;
  border-top: 6px solid var(--ias-gold);
}

/* ── Shimmer skeleton ────────────────────────────────── */

.ias-shimmer {
  background: linear-gradient(100deg, rgba(255, 255, 255, 0.04) 20%, rgba(255, 255, 255, 0.11) 40%, rgba(255, 255, 255, 0.04) 60%);
  background-size: 200% 100%;
  animation: ias-shimmer 1.6s linear infinite;
}

/* ── Scroll-reveal ──────────────────────────────────── */

.ias-fly-in-hidden {
  opacity: 0;
  transform: translateY(28px) scale(0.98);
}

.ias-animate-fly-in {
  animation: ias-fly-in 0.8s var(--ias-ease-out-expo) both;
}

/* ── Bar-chart growth ────────────────────────────────── */

.ias-bar-grow {
  transform-origin: left center;
  transition: transform 1.1s var(--ias-ease-out-expo);
}

/* ── Keyframes ───────────────────────────────────────── */

@keyframes ias-drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to   { transform: translate3d(60px, 40px, 0) scale(1.15); }
}

@keyframes ias-flow {
  to { background-position: 0 11px; }
}

@keyframes ias-shimmer {
  to { background-position: -200% 0; }
}

@keyframes ias-fly-in {
  from { opacity: 0; transform: translateY(28px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Reduced motion — always keep this block in sync with every animated class above ── */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .ias-orb,
  .ias-flow-line,
  .ias-shimmer,
  .ias-animate-fly-in {
    animation: none;
  }

  .ias-fly-in-hidden {
    opacity: 1;
    transform: none;
  }

  .ias-bar-grow {
    transition: none;
  }

  .ias-spotlight,
  .ias-spotlight:hover {
    transform: none;
  }
}