/* ==========================================================================
   AIM landing — base layer.
   Tokens, reset, typography utilities, eyebrow, buttons, reveal, brackets.
   Light fin.ai-style design system.
   ========================================================================== */

:root {
  /* Palette — warm editorial light */
  --aim-bg:          #faf9f5;
  --aim-bg-paper:    #f5f3ec;
  --aim-bg-card:     #ffffff;
  --aim-bg-tint:     #fff5ef;

  --aim-ink:         #0c0e16;
  --aim-ink-2:       #2c2f3a;
  --aim-ink-3:       #5a5e6c;
  --aim-ink-4:       #8a8f9d;
  --aim-ink-5:       #b6bac3;

  --aim-line:        #e5e3dc;
  --aim-line-2:      #d4d2cb;
  --aim-line-strong: #b8b6ad;

  --aim-accent:      #ff5c2b;
  --aim-accent-2:    #e64a1a;
  --aim-accent-soft: #ffe9dd;

  /* Type stacks */
  --aim-font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --aim-font-serif: 'Instrument Serif', 'Tiempos Headline', Georgia, 'Times New Roman', serif;
  --aim-font-mono:  'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, Consolas, monospace;

  /* Layout */
  --aim-container: 1340px;
  --aim-radius:    14px;
  --aim-radius-lg: 22px;

  /* Motion */
  --aim-ease: cubic-bezier(0.2, 0.8, 0.2, 1);

  /* Chrome heights */
  --aim-announce-h: 36px;
  --aim-nav-h:      88px;
  --aim-stage-top:  calc(var(--aim-announce-h) + var(--aim-nav-h) + 24px);
}

* { box-sizing: border-box; }
*::before, *::after { box-sizing: inherit; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--aim-bg);
  color: var(--aim-ink);
  font-family: var(--aim-font-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
html { scroll-behavior: smooth; }

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5 { margin: 0; font-weight: 400; letter-spacing: -0.018em; }
p { margin: 0; }
button { font-family: inherit; cursor: pointer; }

/* ---------- Layout primitives ---------- */
.aim-container {
  width: 100%;
  max-width: var(--aim-container);
  margin: 0 auto;
  padding: 0 40px;
}
@media (max-width: 960px) { .aim-container { padding: 0 28px; } }
@media (max-width: 640px) { .aim-container { padding: 0 20px; } }

/* ---------- Eyebrow / labels (with orange dot) ---------- */
.aim-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--aim-font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--aim-ink-3);
  margin: 0 0 16px;
}
.aim-eyebrow__dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 1px;
  background: var(--aim-accent);
  flex-shrink: 0;
}
.aim-eyebrow--accent { color: var(--aim-accent); }
.aim-eyebrow--muted  { color: var(--aim-ink-4); }

/* ---------- Buttons ---------- */
.aim-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 40px;
  padding: 0 18px;
  border-radius: 4px;
  font-family: var(--aim-font-sans);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0;
  border: 1px solid transparent;
  background: transparent;
  color: inherit;
  white-space: nowrap;
  transition: background 0.18s var(--aim-ease), color 0.18s var(--aim-ease),
              border-color 0.18s var(--aim-ease), transform 0.18s var(--aim-ease);
}
.aim-btn--primary {
  background: var(--aim-ink);
  color: #fff;
  border-color: var(--aim-ink);
}
.aim-btn--primary:hover {
  background: var(--aim-accent);
  border-color: var(--aim-accent);
}
.aim-btn--ghost {
  background: transparent;
  color: var(--aim-ink);
  border-color: var(--aim-line-strong);
}
.aim-btn--ghost:hover {
  background: var(--aim-ink);
  color: #fff;
  border-color: var(--aim-ink);
}
.aim-btn--sm { height: 34px; padding: 0 14px; font-size: 13px; }
.aim-btn--lg { height: 48px; padding: 0 22px; font-size: 14.5px; font-weight: 500; }
.aim-btn__arrow { display: inline-block; transition: transform 0.2s var(--aim-ease); }
.aim-btn:hover .aim-btn__arrow { transform: translateX(3px); }

/* ---------- Bracket corner utility ----------
   Used on stage cards, plan cards, vision card. Rendered as 4 corner spans. */
[class*="__corner"] {
  position: absolute;
  width: 10px;
  height: 10px;
  pointer-events: none;
  color: var(--aim-line-strong);
}
[class*="__corner--tl"] { top: -1px; left: -1px;  border-top: 1px solid currentColor; border-left: 1px solid currentColor; }
[class*="__corner--tr"] { top: -1px; right: -1px; border-top: 1px solid currentColor; border-right: 1px solid currentColor; }
[class*="__corner--bl"] { bottom: -1px; left: -1px;  border-bottom: 1px solid currentColor; border-left: 1px solid currentColor; }
[class*="__corner--br"] { bottom: -1px; right: -1px; border-bottom: 1px solid currentColor; border-right: 1px solid currentColor; }

/* ---------- Reveal ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s var(--aim-ease), transform 0.7s var(--aim-ease);
}
[data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .aim-btn, .aim-btn__arrow { transition: none; }
}

/* ---------- Selection ---------- */
::selection { background: var(--aim-accent); color: #fff; }