/* =============================================================================
   Attain Core — site stylesheet (Attain Design System tokens)
   Palette: dark gray #151617, accent red #e33b25, warm neutrals. No blue/green.
   Fonts: Encode Sans (headings), Inter (body).
   ========================================================================== */
:root {
  --brand: #e33b25;
  --brand-hover: #f04d38;
  --brand-subtle: rgba(227, 59, 37, .09);
  --brand-text: #b8301a;
  --ink: #151617;
  --bg-root: #f5f3ee;
  --bg-base: #fdfbf6;
  --bg-raised: #ffffff;
  --bg-elevated: #ece7de;
  --text: #1b1816;
  --text-2: #55504a;
  --text-3: #7a7068;
  --text-inverse: #f4f1ec;
  --border: rgba(21, 22, 23, .11);
  --border-strong: rgba(21, 22, 23, .20);
  --success: #2f7d4f;
  --danger: #b02a1b;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow: 0 1px 2px rgba(21, 22, 23, .06), 0 8px 24px rgba(21, 22, 23, .06);
  --font-heading: "Encode Sans", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --container: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg-root);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: var(--font-heading); color: var(--ink); line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.2rem); font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 600; }
p { margin: 0 0 1em; }
a { color: var(--brand-text); text-decoration: none; }
a:hover { color: var(--brand-hover); }
.muted { color: var(--text-3); }
.lead { font-size: 1.2rem; color: var(--text-2); max-width: 46rem; }
.eyebrow { font-family: var(--font-heading); font-weight: 600; font-size: .85rem; letter-spacing: .12em; text-transform: uppercase; color: var(--brand-text); margin-bottom: .75rem; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 1.25rem; }
.container.narrow { max-width: 780px; }
.section { padding: 4.5rem 0; }
.section-alt { background: var(--bg-base); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-title { text-align: center; margin-bottom: 2.5rem; }

/* Buttons */
.btn { display: inline-block; font-family: var(--font-heading); font-weight: 600; border-radius: var(--radius); padding: .8rem 1.4rem; border: 1px solid transparent; cursor: pointer; transition: background .15s, color .15s, border-color .15s; font-size: 1rem; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-hover); color: #fff; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--border-strong); }
.btn-ghost:hover { border-color: var(--ink); color: var(--ink); }
.btn-sm { padding: .5rem 1rem; font-size: .9rem; }
.btn-lg { padding: 1rem 1.8rem; font-size: 1.05rem; }

/* Header / footer */
.site-header { background: var(--ink); color: var(--text-inverse); position: sticky; top: 0; z-index: 10; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 1rem; }
.brand { font-family: var(--font-heading); font-weight: 800; font-size: 1.35rem; color: var(--text-inverse); letter-spacing: -.02em; }
.brand-core { color: var(--brand); }
.site-nav { display: flex; align-items: center; gap: 1.5rem; }
.site-nav a { color: var(--text-inverse); font-weight: 500; opacity: .85; }
.site-nav a:hover { opacity: 1; color: var(--text-inverse); }
.site-nav .btn { opacity: 1; }
.site-footer { background: var(--ink); color: var(--text-inverse); padding: 3rem 0 1.5rem; margin-top: 2rem; }
.footer-inner { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: start; }
.footer-inner .muted { color: rgba(244, 241, 236, .65); max-width: 34rem; }
.footer-links { display: flex; flex-direction: column; gap: .5rem; }
.footer-links a { color: var(--text-inverse); opacity: .85; }
.footer-legal { margin-top: 2rem; font-size: .85rem; color: rgba(244, 241, 236, .5); }

/* Hero */
.hero { background: linear-gradient(180deg, var(--bg-base), var(--bg-root)); border-bottom: 1px solid var(--border); padding: 5.5rem 0 4rem; }
.hero-inner { max-width: 820px; }
.hero-actions { display: flex; gap: .75rem; flex-wrap: wrap; margin: 1.5rem 0 1rem; }
.hero-note { font-size: .95rem; }

/* Features */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.25rem; }
.feature { background: var(--bg-raised); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 1.5rem; box-shadow: var(--shadow); }
.feature h3 { margin-bottom: .4em; }
.feature h3::before { content: ""; display: block; width: 28px; height: 3px; background: var(--brand); border-radius: 2px; margin-bottom: .8rem; }
.feature p { margin: 0; color: var(--text-2); font-size: .98rem; }

/* Steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1.5rem; }
.steps li { display: flex; gap: 1rem; align-items: flex-start; }
.step-num { flex: 0 0 40px; height: 40px; border-radius: 50%; background: var(--brand); color: #fff; font-family: var(--font-heading); font-weight: 700; display: grid; place-items: center; }
.steps p { margin: 0; color: var(--text-2); }

/* CTA band */
.cta-band { background: var(--ink); color: var(--text-inverse); }
.cta-band h2 { color: var(--text-inverse); }
.cta-band .muted { color: rgba(244, 241, 236, .7); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }

/* Forms */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; margin: 1.5rem 0; }
.form-grid label { display: flex; flex-direction: column; gap: .35rem; font-weight: 500; }
.form-grid label.full { grid-column: 1 / -1; }
.form-grid label span { font-size: .9rem; color: var(--text-2); }
.form-grid input, .form-grid select, .form-grid textarea { font: inherit; padding: .7rem .85rem; border: 1px solid var(--border-strong); border-radius: var(--radius); background: var(--bg-raised); color: var(--text); }
.form-grid input:focus, .form-grid select:focus, .form-grid textarea:focus { outline: 2px solid var(--brand-subtle); border-color: var(--brand); }
.validation-message { color: var(--danger); font-size: .85rem; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.notice { border-radius: var(--radius); padding: 1rem 1.25rem; margin: 1rem 0 1.5rem; border: 1px solid var(--border); background: var(--bg-raised); }
.notice-success { border-color: var(--success); }
.notice-error { border-color: var(--danger); color: var(--danger); }

@media (max-width: 720px) {
  .site-nav a:not(.btn) { display: none; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .section { padding: 3rem 0; }
}