/* ============================================================
   Rheingold Digital — shared stylesheet
   Visual taste source: ../DESIGN.md (single source of visual truth).
   Edit tokens here once; every page follows.
   ============================================================ */

:root {
  /* colors */
  --color-primary: #0F172A;
  --color-secondary: #475569;
  --color-tertiary: #2563EB;
  --color-neutral: #F8FAFC;
  --color-surface: #FFFFFF;
  --color-accent-soft: #DBEAFE;
  --color-on-primary: #FFFFFF;
  --color-on-tertiary: #FFFFFF;

  /* derived hairlines/shadows = tints of primary, NOT new hues */
  --line: rgba(15, 23, 42, 0.08);
  --line-strong: rgba(15, 23, 42, 0.14);
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 6px rgba(15, 23, 42, 0.04), 0 10px 24px rgba(15, 23, 42, 0.07);

  /* radius */
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 16px;
  --r-full: 9999px;

  /* spacing (4px baseline) */
  --s-xs: 4px;
  --s-sm: 8px;
  --s-md: 16px;
  --s-lg: 24px;
  --s-xl: 48px;

  /* type */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

/* ---------- reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}
body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-primary);
  background: var(--color-neutral);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4, p { margin: 0; }
a { color: var(--color-tertiary); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { display: block; }
ul { margin: 0; padding: 0; list-style: none; }

:focus-visible {
  outline: 2px solid var(--color-tertiary);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

.skip {
  position: absolute; left: -9999px; top: 0;
  background: var(--color-primary); color: var(--color-on-primary);
  padding: var(--s-sm) var(--s-md); border-radius: var(--r-sm); z-index: 100;
}
.skip:focus { left: var(--s-md); top: var(--s-md); }

/* ---------- layout primitives ---------- */
.container { width: 100%; max-width: 1120px; margin-inline: auto; padding-inline: var(--s-lg); }
.section { padding-block: clamp(56px, 9vw, 96px); }
.surface-band { background: var(--color-surface); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.eyebrow {
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--color-tertiary);
  margin: 0 0 var(--s-md);
}
.section-head { max-width: 640px; margin-bottom: var(--s-xl); }
h1 { font-size: clamp(2.25rem, 5vw, 3rem); font-weight: 700; line-height: 1.1; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.625rem, 3.2vw, 2rem); font-weight: 600; line-height: 1.2; letter-spacing: -0.01em; }
h3 { font-size: 1.125rem; font-weight: 600; line-height: 1.3; }
.lead { font-size: 1.125rem; color: var(--color-secondary); line-height: 1.6; }
.muted { color: var(--color-secondary); }

/* ---------- buttons (DESIGN.md: button-primary + hover) ---------- */
.btn {
  display: inline-flex; align-items: center; gap: var(--s-sm);
  font: inherit; font-weight: 600; cursor: pointer;
  border: 1px solid transparent; border-radius: var(--r-sm);
  padding: 12px 20px; white-space: nowrap; transition: background-color .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
  text-decoration: none;
}
.btn-primary { background: var(--color-tertiary); color: var(--color-on-tertiary); }
.btn-primary:hover { background: var(--color-primary); color: var(--color-on-primary); text-decoration: none; }
.btn-secondary { background: transparent; color: var(--color-primary); border-color: var(--line-strong); }
.btn-secondary:hover { background: var(--color-surface); border-color: var(--color-primary); text-decoration: none; }
.btn-ghost { background: transparent; color: var(--color-tertiary); padding-inline: 0; }
.btn-ghost:hover { color: var(--color-primary); text-decoration: none; }
.btn svg { width: 18px; height: 18px; }

/* ---------- header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(248, 250, 252, 0.85);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: var(--s-lg); }
.brand { display: inline-flex; align-items: center; gap: var(--s-sm); font-weight: 700; color: var(--color-primary); letter-spacing: -0.01em; }
.brand:hover { text-decoration: none; }
.brand-digital { color: var(--color-tertiary); }
.mark {
  width: 34px; height: 34px; flex: none;
  background: center / contain no-repeat url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 120'><path d='M38 50 30 8 60 40Z' fill='%230F172A'/><path d='M82 50 90 8 60 40Z' fill='%230F172A'/><path d='M38 46 82 46 94 70 60 112 26 70Z' fill='%231E293B'/><path d='M38 46 82 46 70 74 60 86 50 74Z' fill='%230F172A'/><path d='M53 88 67 88 63 108 57 108Z' fill='%23334155'/><ellipse cx='60' cy='101' rx='6.5' ry='5' fill='%230F172A'/><path d='M43 62Q49 56 55 62Q49 67 43 62Z' fill='%23F0A92B'/><path d='M65 62Q71 56 77 62Q71 67 65 62Z' fill='%23F0A92B'/></svg>");
  color: transparent; font-size: 0;
}
.nav-links { display: flex; align-items: center; gap: var(--s-lg); }
.nav-links a { color: var(--color-secondary); font-weight: 500; font-size: 0.95rem; }
.nav-links a:hover { color: var(--color-primary); text-decoration: none; }
.nav-links a.active { color: var(--color-primary); font-weight: 600; }
.nav-cta { display: flex; align-items: center; gap: var(--s-md); }
@media (max-width: 820px) {
  .nav { flex-wrap: wrap; height: auto; padding-block: 10px; row-gap: var(--s-sm); }
  .nav-links { display: flex; order: 3; width: 100%; justify-content: center; flex-wrap: wrap; gap: var(--s-md); font-size: 0.9rem; padding-top: var(--s-sm); margin-top: 2px; border-top: 1px solid var(--line); }
  .nav-cta .btn { padding: 8px 14px; }
}

/* ---------- hero (home) ---------- */
.hero { padding-block: clamp(48px, 7vw, 88px); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
.hero p.lead { margin-top: var(--s-lg); max-width: 30rem; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-md); margin-top: var(--s-xl); }
.reassure { margin-top: var(--s-md); font-size: 0.85rem; color: var(--color-secondary); display: inline-flex; align-items: center; gap: var(--s-sm); }
.reassure svg { width: 16px; height: 16px; color: var(--color-tertiary); }
@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
}

/* faux local-results card */
.serp { background: var(--color-surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: var(--s-lg); box-shadow: var(--shadow-md); }
.serp-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--s-md); }
.serp-head .eyebrow { color: var(--color-secondary); margin: 0; }
.serp-row { display: flex; align-items: center; gap: var(--s-md); padding: var(--s-md); border-radius: var(--r-md); border: 1px solid var(--line); margin-bottom: var(--s-sm); }
.serp-row.win { background: var(--color-accent-soft); border-color: transparent; }
.serp-row.dim { opacity: 0.55; }
.rank { flex: none; width: 28px; height: 28px; border-radius: var(--r-full); display: grid; place-items: center; font-weight: 700; font-size: 0.8rem; background: var(--color-surface); color: var(--color-secondary); border: 1px solid var(--line); }
.serp-row.win .rank { background: var(--color-tertiary); color: var(--color-on-tertiary); border-color: transparent; }
.serp-row .biz { font-weight: 600; font-size: 0.95rem; }
.serp-row .meta { font-size: 0.8rem; color: var(--color-secondary); display: flex; align-items: center; gap: 6px; }
.stars { color: var(--color-tertiary); letter-spacing: 1px; font-size: 0.8rem; }
.serp-cap { margin-top: var(--s-sm); font-size: 0.72rem; color: var(--color-secondary); text-align: right; }

/* ---------- who we help ---------- */
.helps-inner { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-md); padding-block: var(--s-lg); }
.helps-inner .eyebrow { margin: 0 var(--s-sm) 0 0; color: var(--color-secondary); }
.pill { display: inline-flex; align-items: center; padding: 6px 14px; border-radius: var(--r-full); border: 1px solid var(--line-strong); font-size: 0.85rem; font-weight: 500; color: var(--color-primary); background: var(--color-neutral); }
a.pill { transition: color .15s ease, border-color .15s ease, background-color .15s ease; }
a.pill:hover { text-decoration: none; color: var(--color-tertiary); border-color: var(--color-tertiary); background: var(--color-accent-soft); }

/* ---------- cards / services ---------- */
.grid-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--s-lg); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 720px) { .grid-2 { grid-template-columns: 1fr; } }
.card {
  background: var(--color-surface); color: var(--color-primary);
  border-radius: var(--r-md); padding: var(--s-lg);
  border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); border-color: var(--line-strong); }
.icon-chip { width: 44px; height: 44px; border-radius: var(--r-md); background: var(--color-accent-soft); color: var(--color-tertiary); display: grid; place-items: center; margin-bottom: var(--s-md); }
.icon-chip svg { width: 22px; height: 22px; }
.card h3 { margin-bottom: var(--s-sm); }
.card p { color: var(--color-secondary); font-size: 0.95rem; }
.learn-more { display: inline-flex; align-items: center; gap: 6px; margin-top: var(--s-md); font-weight: 600; font-size: 0.9rem; }
.learn-more svg { width: 16px; height: 16px; }

/* ---------- check list ---------- */
.check-list { margin-top: var(--s-md); display: grid; gap: var(--s-sm); }
.check-list li { display: flex; gap: var(--s-sm); align-items: flex-start; font-size: 0.92rem; color: var(--color-secondary); }
.check-list svg { flex: none; width: 18px; height: 18px; color: var(--color-tertiary); margin-top: 2px; }

/* ---------- how it works / steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--s-xl); }
@media (max-width: 760px) { .steps { grid-template-columns: 1fr; gap: var(--s-lg); } }
.step-num { width: 40px; height: 40px; border-radius: var(--r-full); border: 1px solid var(--line-strong); color: var(--color-tertiary); display: grid; place-items: center; font-weight: 700; margin-bottom: var(--s-md); }
.step h3 { margin-bottom: var(--s-sm); }
.step p { color: var(--color-secondary); }

/* ---------- inner-page header ---------- */
.page-header { padding-block: clamp(40px, 6vw, 72px); }
.page-header .lead { margin-top: var(--s-md); max-width: 42rem; }

/* ---------- generic two column ---------- */
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 4vw, 56px); align-items: start; }
.two-col.lean-left { grid-template-columns: 1.1fr 0.9fr; }
@media (max-width: 820px) { .two-col, .two-col.lean-left { grid-template-columns: 1fr; } }
.stack > * + * { margin-top: var(--s-md); }

/* placeholder media box */
.media-ph { background: var(--color-accent-soft); border: 1px dashed var(--line-strong); border-radius: var(--r-lg); min-height: 280px; display: grid; place-items: center; color: var(--color-secondary); font-size: 0.85rem; text-align: center; padding: var(--s-lg); }

/* contact info rows */
.info-list { margin-top: var(--s-lg); }
.info-row { display: flex; align-items: center; gap: var(--s-md); padding-block: var(--s-md); border-top: 1px solid var(--line); }
.info-row:last-child { border-bottom: 1px solid var(--line); }
.info-row .icon-chip { margin: 0; width: 40px; height: 40px; }
.info-row .label { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-secondary); }
.info-row .value { font-weight: 500; }

/* ---------- proof (placeholder) ---------- */
.proof-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-lg); }
@media (max-width: 720px) { .proof-grid { grid-template-columns: 1fr; } }
.quote { background: var(--color-surface); border: 1px dashed var(--line-strong); border-radius: var(--r-md); padding: var(--s-lg); }
.ph-tag { display: inline-flex; align-items: center; gap: 6px; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-secondary); background: var(--color-neutral); border: 1px solid var(--line); border-radius: var(--r-full); padding: 4px 10px; margin-bottom: var(--s-md); }
.quote p { color: var(--color-secondary); font-style: italic; }
.quote .who { margin-top: var(--s-md); font-style: normal; font-size: 0.85rem; color: var(--color-secondary); }
.proof-note { margin-top: var(--s-lg); font-size: 0.9rem; color: var(--color-secondary); max-width: 46rem; }

/* ---------- CTA band ---------- */
.cta-band { background: var(--color-primary); color: var(--color-on-primary); border-radius: var(--r-lg); padding: clamp(32px, 5vw, 56px); }
.cta-band h2 { color: var(--color-on-primary); }
.cta-band p { color: rgba(255,255,255,0.72); margin-top: var(--s-md); }
.cta-center { text-align: center; }
.cta-center p { margin-inline: auto; max-width: 42rem; }
.cta-center .btn-primary { margin-top: var(--s-lg); }
.cta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 4vw, 56px); align-items: center; }
@media (max-width: 820px) { .cta-grid { grid-template-columns: 1fr; } }

/* ---------- forms ---------- */
.form-card { background: var(--color-surface); border-radius: var(--r-md); padding: var(--s-lg); border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.field { margin-bottom: var(--s-md); }
.field label { display: block; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--color-secondary); margin-bottom: 6px; }
.field input, .field textarea { width: 100%; font: inherit; padding: 10px 12px; color: var(--color-primary); background: var(--color-neutral); border: 1px solid var(--line-strong); border-radius: var(--r-sm); }
.field textarea { resize: vertical; min-height: 96px; }
.field input:focus, .field textarea:focus { outline: 2px solid var(--color-tertiary); outline-offset: 1px; border-color: var(--color-tertiary); background: var(--color-surface); }
.form-card .btn-primary { width: 100%; justify-content: center; margin-top: var(--s-sm); }
.form-note { margin-top: var(--s-md); font-size: 0.78rem; color: var(--color-secondary); text-align: center; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); background: var(--color-surface); }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--s-xl); padding-block: var(--s-xl); }
@media (max-width: 720px) { .footer-grid { grid-template-columns: 1fr; gap: var(--s-lg); } }
.footer-grid h4 { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-secondary); margin: 0 0 var(--s-md); }
.footer-grid li { margin-bottom: var(--s-sm); }
.footer-grid a { color: var(--color-secondary); font-size: 0.92rem; }
.footer-grid a:hover { color: var(--color-primary); }
.footer-about p { color: var(--color-secondary); font-size: 0.92rem; margin-top: var(--s-md); max-width: 22rem; }
.footer-contact { font-size: 0.9rem; color: var(--color-secondary); margin-top: var(--s-md); }
.footer-bottom { border-top: 1px solid var(--line); padding-block: var(--s-md); display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--s-sm); font-size: 0.82rem; color: var(--color-secondary); }
.ph { color: var(--color-secondary); font-style: italic; }

/* ---------- callout ---------- */
.callout { background: var(--color-accent-soft); border-radius: var(--r-md); padding: var(--s-md) var(--s-lg); color: var(--color-primary); font-size: 0.92rem; margin-bottom: var(--s-xl); }
.callout strong { font-weight: 600; }

/* ---------- pricing ---------- */
.price-card { display: flex; flex-direction: column; }
.price-card.featured { border: 2px solid var(--color-tertiary); }
.badge-pop { display: inline-block; background: var(--color-accent-soft); color: var(--color-tertiary); font-size: 0.7rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; padding: 4px 10px; border-radius: var(--r-full); margin-bottom: var(--s-sm); }
.tier-name { font-size: 1.125rem; font-weight: 600; }
.tier-desc { color: var(--color-secondary); font-size: 0.92rem; margin-bottom: var(--s-md); }
.price { font-size: 2rem; font-weight: 700; letter-spacing: -0.02em; margin: var(--s-xs) 0 var(--s-xs); }
.price span { font-size: 0.9rem; font-weight: 500; color: var(--color-secondary); }
.price-tag { font-size: 0.7rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-secondary); }
.price-card .btn { margin-top: var(--s-lg); justify-content: center; }

/* ---------- faq ---------- */
.faq { display: grid; gap: var(--s-sm); max-width: 760px; }
.faq details { background: var(--color-surface); border: 1px solid var(--line); border-radius: var(--r-md); padding: var(--s-md) var(--s-lg); box-shadow: var(--shadow-sm); }
.faq details[open] { border-color: var(--line-strong); }
.faq summary { display: flex; justify-content: space-between; align-items: center; gap: var(--s-md); cursor: pointer; font-weight: 600; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .chev { flex: none; width: 20px; height: 20px; color: var(--color-tertiary); transition: transform .18s ease; }
.faq details[open] summary .chev { transform: rotate(180deg); }
.faq details p { color: var(--color-secondary); margin-top: var(--s-md); font-size: 0.95rem; }
.faq details p a { font-weight: 600; }

/* ---------- case studies ---------- */
.studies { grid-template-columns: repeat(2, 1fr); gap: var(--s-lg); }
@media (max-width: 720px) { .studies { grid-template-columns: 1fr; } }
.study { padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.study-shot { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: top center; border-bottom: 1px solid var(--line); background: var(--color-neutral); display: block; }
.study-ph { width: 100%; aspect-ratio: 16 / 10; border-bottom: 1px solid var(--line); background: var(--color-accent-soft); display: grid; place-items: center; color: var(--color-secondary); font-size: 0.85rem; text-align: center; padding: var(--s-md); }
.study-body { padding: var(--s-lg); }
.study-body .eyebrow { margin-bottom: var(--s-sm); }