/* HardSync marketing site — shared styles.
   Tokens match DESIGN_RULEBOOK.md so the site and app read as one brand. */

:root {
  --cream: #FAF8F4;
  --surface: #FFFFFF;
  --ink: #17182B;
  --ink-muted: #565B76;
  --violet: #7C5CE7;
  --violet-dark: #6547CF;
  --lilac-mist: #F1EDFF;
  --lilac-border: #E2D8FF;
  --apricot: #FF8A43;
  --apricot-mist: #FFF0E3;
  --olive: #65704F;
  --olive-mist: #EDF2E7;
  --coral: #F06F61;
  --coral-mist: #FFEAE6;
  --sun: #F5B735;
  --sun-mist: #FFF4D8;
  --crimson: #D32F2F;
  --border: #E8E4DA;
  --shadow: 0 8px 24px rgba(23, 24, 43, 0.06);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --max: 1160px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .display {
  font-family: "Newsreader", Georgia, serif;
  color: var(--ink);
  line-height: 1.15;
  margin: 0 0 0.5em;
  font-weight: 600;
}

p { margin: 0 0 1em; color: var(--ink-muted); }

a { color: var(--violet-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Nav ---------- */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 248, 244, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.wordmark {
  font-family: "Newsreader", Georgia, serif;
  font-weight: 600;
  font-size: 22px;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.wordmark:hover { text-decoration: none; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--ink);
  font-size: 14.5px;
  font-weight: 500;
}

.nav-links a:hover { color: var(--violet-dark); text-decoration: none; }

.nav-cta { display: flex; align-items: center; gap: 18px; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  margin: 4px 0;
  border-radius: 2px;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  font-family: "Plus Jakarta Sans", sans-serif;
  border: 1px solid transparent;
  cursor: pointer;
  min-height: 48px;
  transition: transform 120ms ease, background 120ms ease, box-shadow 120ms ease;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: scale(0.98); }

.btn-primary { background: var(--ink); color: #fff; }
.btn-primary:hover { background: #2b2c40; }

.btn-violet { background: var(--violet); color: #fff; }
.btn-violet:hover { background: var(--violet-dark); }

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

.btn-sm { padding: 9px 18px; min-height: 40px; font-size: 14px; }

/* ---------- Sections ---------- */

section { padding: 88px 0; }
section.tight { padding: 56px 0; }

.eyebrow {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--violet-dark);
  background: var(--lilac-mist);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.section-head { max-width: 640px; margin: 0 0 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

.section-head h2 { font-size: clamp(28px, 3.4vw, 38px); }
.section-head p { font-size: 17px; }

/* ---------- Hero ---------- */

.hero { padding: 64px 0 40px; overflow: hidden; }

.hero .wrap {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(36px, 5vw, 58px);
  letter-spacing: -0.015em;
}

.hero .lede {
  font-size: 18.5px;
  max-width: 480px;
  color: var(--ink-muted);
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }

.hero-note {
  margin-top: 18px;
  font-size: 13.5px;
  color: var(--ink-muted);
}

.hero-art {
  position: relative;
  display: flex;
  justify-content: center;
}
.hero-art img {
  width: 100%;
  max-width: 480px;
}

/* ---------- Logo / trust strip ---------- */

.trust-strip {
  padding: 28px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.trust-strip .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  align-items: center;
  justify-content: center;
  color: var(--ink-muted);
  font-size: 14px;
}
.trust-strip strong { color: var(--ink); }

/* ---------- Feature / step grid ---------- */

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 26px;
}

.step-card { text-align: left; }
.step-card .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 18px;
}
.step-card img {
  width: 100%;
  height: 150px;
  object-fit: contain;
  margin-bottom: 16px;
}
.step-card h3 { font-size: 18px; margin-bottom: 8px; font-family: "Plus Jakarta Sans", sans-serif; font-weight: 700; }
.step-card p { font-size: 14.5px; margin: 0; }

/* tint rotation, per rulebook: balance across cards */
.tint-lilac { background: var(--lilac-mist); border-color: var(--lilac-border); }
.tint-apricot { background: var(--apricot-mist); border-color: #F7D8BC; }
.tint-olive { background: var(--olive-mist); border-color: #D6E2CC; }
.tint-coral { background: var(--coral-mist); border-color: #F6CFC8; }
.tint-sun { background: var(--sun-mist); border-color: #F0DFA9; }

/* ---------- CARE section ---------- */

.care-section .wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.care-art img { width: 100%; max-width: 520px; margin: 0 auto; }

.care-list { list-style: none; margin: 28px 0 0; padding: 0; display: grid; gap: 16px; }
.care-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
}
.care-letter {
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-family: "Newsreader", serif;
  font-size: 17px;
  color: #fff;
}
.care-list li:nth-child(1) .care-letter { background: var(--apricot); }
.care-list li:nth-child(2) .care-letter { background: var(--violet); }
.care-list li:nth-child(3) .care-letter { background: var(--coral); }
.care-list li:nth-child(4) .care-letter { background: var(--olive); }

.care-list h4 { margin: 0 0 2px; font-size: 15.5px; font-family: "Plus Jakarta Sans", sans-serif; font-weight: 700; }
.care-list p { margin: 0; font-size: 14px; }

/* ---------- Personas ---------- */

.persona-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.persona-card {
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px 16px;
}
.persona-card img {
  width: 76px;
  height: 76px;
  border-radius: 999px;
  margin: 0 auto 14px;
  object-fit: cover;
}
.persona-card h4 { margin: 0 0 4px; font-size: 15px; font-family: "Plus Jakarta Sans", sans-serif; font-weight: 700; }
.persona-card p { margin: 0; font-size: 13px; }

/* ---------- Learning path ---------- */

.path-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.path-card {
  border-radius: var(--radius-md);
  padding: 26px;
  border: 1px solid var(--border);
}
.path-card .tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 14px;
}
.path-card ul { margin: 0; padding-left: 18px; color: var(--ink-muted); font-size: 14.5px; }
.path-card li { margin-bottom: 6px; }

/* ---------- Pricing ---------- */

.pricing-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: stretch;
}
.plan-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
}
.plan-card.featured {
  border-color: var(--violet);
  box-shadow: var(--shadow);
  position: relative;
}
.plan-card .badge {
  position: absolute;
  top: -14px;
  left: 28px;
  background: var(--violet);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
}
.plan-name { font-size: 20px; font-family: "Plus Jakarta Sans", sans-serif; font-weight: 700; margin-bottom: 4px; }
.plan-price { font-family: "Newsreader", serif; font-size: 36px; font-weight: 600; margin: 6px 0 2px; }
.plan-price span { font-size: 15px; font-weight: 500; color: var(--ink-muted); font-family: "Plus Jakarta Sans", sans-serif; }
.plan-sub { font-size: 13.5px; color: var(--ink-muted); margin-bottom: 22px; }
.plan-features { list-style: none; margin: 0 0 26px; padding: 0; flex: 1; display: grid; gap: 10px; }
.plan-features li { font-size: 14.5px; color: var(--ink); padding-left: 24px; position: relative; }
.plan-features li::before {
  content: "";
  position: absolute;
  left: 0; top: 6px;
  width: 14px; height: 14px;
  border-radius: 999px;
  background: var(--lilac-mist);
  border: 1px solid var(--lilac-border);
}
.plan-features li::after {
  content: "✓";
  position: absolute;
  left: 2.5px; top: 2px;
  font-size: 10px;
  color: var(--violet-dark);
  font-weight: 700;
}

.pricing-note { margin-top: 28px; font-size: 13.5px; color: var(--ink-muted); text-align: center; }

/* ---------- FAQ ---------- */

.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 22px 0;
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-family: "Plus Jakarta Sans", sans-serif;
  font-weight: 700;
  font-size: 16.5px;
  color: var(--ink);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .icon {
  flex: none;
  width: 28px; height: 28px;
  border-radius: 999px;
  background: var(--lilac-mist);
  color: var(--violet-dark);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  transition: transform 160ms ease;
}
.faq-item[open] summary .icon { transform: rotate(45deg); }
.faq-item .faq-answer { margin-top: 14px; font-size: 15px; color: var(--ink-muted); max-width: 660px; }
.faq-item .faq-answer a { color: var(--violet-dark); }

.faq-cats { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 44px; }
.faq-cats a {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 999px;
}
.faq-cats a:hover { border-color: var(--violet); color: var(--violet-dark); text-decoration: none; }

.faq-group-title {
  font-family: "Plus Jakarta Sans", sans-serif;
  font-weight: 700;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  margin: 48px 0 8px;
}
.faq-group-title:first-of-type { margin-top: 0; }

/* ---------- CTA band ---------- */

.cta-band {
  background: var(--ink);
  border-radius: var(--radius-lg);
  padding: 56px;
  text-align: center;
  color: #fff;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255,255,255,0.7); max-width: 520px; margin-left: auto; margin-right: auto; }
.cta-band .btn-primary { background: #fff; color: var(--ink); }
.cta-band .btn-primary:hover { background: var(--sun-mist); }

/* ---------- Footer ---------- */

footer {
  border-top: 1px solid var(--border);
  padding: 56px 0 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
.footer-grid h5 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-muted);
  margin: 0 0 14px;
  font-weight: 700;
}
.footer-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer-links a { color: var(--ink); font-size: 14.5px; }
.footer-links a:hover { color: var(--violet-dark); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  font-size: 13.5px;
  color: var(--ink-muted);
}

/* ---------- Simple legal / doc page ---------- */

.doc-page .wrap { max-width: 760px; }
.doc-page article { padding: 8px 0 40px; }
.doc-page h1 { font-size: clamp(30px, 4vw, 40px); }
.doc-page .updated { color: var(--ink-muted); font-size: 14px; margin-bottom: 40px; }
.doc-page h2 { font-size: 20px; margin-top: 40px; font-family: "Plus Jakarta Sans", sans-serif; font-weight: 700; }
.doc-page p, .doc-page li { font-size: 15.5px; color: var(--ink-muted); }
.doc-page .card { margin-top: 8px; }
.doc-page ol, .doc-page ul { padding-left: 22px; }

/* ---------- Responsive ---------- */

@media (max-width: 980px) {
  .nav-links { display: none; }
  .nav-links.nav-links-open {
    display: flex;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--cream);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 16px 24px 24px;
  }
  .nav-links.nav-links-open a { padding: 10px 0; width: 100%; }
  .nav-toggle { display: block; }
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-art { order: -1; }
  .hero .lede { max-width: none; }
  .care-section .wrap { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .persona-row { grid-template-columns: repeat(2, 1fr); }
  .path-row { grid-template-columns: 1fr; }
  .pricing-row { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  section { padding: 64px 0; }
}

@media (max-width: 560px) {
  .grid-4, .grid-3, .grid-2, .persona-row { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .cta-band { padding: 40px 24px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}