/* =========================================================================
   RankOps style.css — shared design system
   Pair with shell.css (which handles nav/footer/hamburger specifics).
   Link in <head> of any new page:
     <link rel="stylesheet" href="/css/style.css">
     <link rel="stylesheet" href="/css/shell.css">

   Editing rules:
   - All page-level color/typography/spacing decisions live HERE.
   - Page-specific layout (grids unique to one page) stays in that page.
   - Never override these vars per-page — extend with new vars instead.
   ========================================================================= */

/* ---------- Design tokens (the only place colors are defined) ---------- */
:root {
  --black: #0D0D0D;
  --deep: #111111;
  --surface: #181818;
  --surface-2: #1d1d1d;
  --border: #222222;
  --green: #00C853;
  --green-dim: #009e40;
  --green-dark: #002d12;
  --gold: #FFD700;
  --gold-dim: #c9a030;
  --white: #F0F0F0;
  --muted: #8a8a8a;
  --text: #BBBBBB;
  --red: #ff4444;

  --font-sans: 'Inter', sans-serif;
  --nav-height: 64px;
  --max-container: 1200px;
  --max-readable: 760px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--black);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  min-height: 100vh;
  padding-top: var(--nav-height);
}

a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }
ul { list-style: none; }

/* ---------- Typography ---------- */
h1 { font-size: clamp(36px, 5vw, 52px); font-weight: 900; letter-spacing: -1.5px; line-height: 1.1; color: var(--white); }
h2 { font-size: clamp(28px, 3.5vw, 40px); font-weight: 800; letter-spacing: -1px; line-height: 1.15; color: var(--white); }
h3 { font-size: 20px; font-weight: 800; color: var(--white); letter-spacing: -0.3px; }
p  { color: var(--text); line-height: 1.7; }

.accent { color: var(--green); }
.gold   { color: var(--gold); }

.section-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 14px;
}
.section-sub  { font-size: 17px; color: var(--text); max-width: 640px; line-height: 1.75; }
.eyebrow      { font-size: 11px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--green); }

/* ---------- Layout primitives ---------- */
.container { max-width: var(--max-container); margin: 0 auto; padding: 0 24px; }
.readable  { max-width: var(--max-readable); margin: 0 auto; }
section    { padding: 80px 24px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 14px 28px;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s;
  cursor: pointer;
  border: 2px solid transparent;
  font-family: var(--font-sans);
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }

.btn-primary {
  color: var(--black);
  background: var(--green);
}
.btn-primary:hover { background: var(--gold); }

.btn-ghost {
  color: var(--green);
  background: transparent;
  border-color: var(--green);
}
.btn-ghost:hover { background: var(--green); color: var(--black); }

.btn-gold {
  color: var(--black);
  background: var(--gold);
}
.btn-gold:hover { background: var(--green); }

/* ---------- Cards ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 36px 32px;
}
.card-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 12px;
}

/* ---------- Form fields ---------- */
.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}
.field input,
.field textarea,
.field select {
  width: 100%;
  background: var(--black);
  border: 1px solid var(--border);
  color: var(--white);
  padding: 12px 14px;
  font-family: var(--font-sans);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}
.field input:focus,
.field textarea:focus,
.field select:focus { border-color: var(--green); }
.field textarea { min-height: 96px; resize: vertical; }

/* ---------- Reveal-on-scroll ---------- */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease-out, transform 0.6s ease-out; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ---------- Reusable: speakable highlight (for AI assistants) ---------- */
.speakable strong { color: var(--white); font-weight: 600; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  section { padding: 56px 20px; }
}
@media (max-width: 768px) {
  body { font-size: 15px; }
  h1 { font-size: 32px; letter-spacing: -1px; }
  h2 { font-size: 24px; }
  section { padding: 48px 16px; }
  .container { padding: 0 16px; }
  .btn { width: 100%; text-align: center; padding: 16px 24px; }
}
