/* Sterling Chin Consulting — landing page styles */

:root {
  --bg: #f8f8f6;
  --ink: #191a1c;
  --ink-soft: #4a4c50;
  --ink-muted: #5a5c60;
  --ink-faint: #6a6c70;
  --blue: #2547d0;
  --blue-dark: #1a35a4;
  --blue-tint: #9fb0ee;
  --line: #e3e3df;
  --card-line: #e8e8e4;
  --card-bg: #ffffff;
  --dark-card-text: #b9bab6;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Public Sans', sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 32px;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}

/* Nav */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0;
}

.nav-brand {
  font-family: 'Instrument Serif', serif;
  font-size: 22px;
  letter-spacing: 0.01em;
}
.nav-brand span { color: var(--blue); }

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
  font-size: 14px;
  font-weight: 500;
}
.nav-links a { color: var(--ink); }
.nav-links a:hover { color: var(--blue); }

.nav-cta {
  color: var(--bg) !important;
  background: var(--ink);
  padding: 10px 20px;
  border-radius: 999px;
}
.nav-cta:hover { background: var(--blue); }

/* Hero */
.hero {
  padding: 96px 0 110px;
  animation: rise 0.7s ease both;
}

.eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 24px;
}

.hero h1 {
  font-family: 'Instrument Serif', serif;
  font-weight: 400;
  font-size: 76px;
  line-height: 1.04;
  margin: 0 0 28px;
  max-width: 820px;
  text-wrap: balance;
}
.hero h1 em { color: var(--blue); }

.hero-sub {
  font-size: 19px;
  line-height: 1.6;
  color: var(--ink-soft);
  max-width: 560px;
  margin: 0 0 40px;
  text-wrap: pretty;
}

.hero-actions {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-block;
  background: var(--blue);
  color: var(--bg);
  padding: 15px 30px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 600;
}
.btn-primary:hover { background: var(--blue-dark); color: var(--bg); }

.btn-lg {
  padding: 17px 36px;
  font-size: 17px;
}

.btn-link {
  font-size: 16px;
  font-weight: 600;
}

/* Sections */
.section {
  padding: 80px 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  font-family: 'Instrument Serif', serif;
  font-weight: 400;
  font-size: 40px;
  margin: 0 0 48px;
}
.section-heading.tight { margin-bottom: 12px; }

.section-note {
  font-size: 15px;
  color: var(--ink-muted);
  margin: 0 0 40px;
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 56px;
  align-items: start;
}

.services-heading {
  font-family: 'Instrument Serif', serif;
  font-weight: 400;
  font-size: 40px;
  margin: 0;
  position: sticky;
  top: 32px;
}

.services-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.service-card {
  background: var(--card-bg);
  border: 1px solid var(--card-line);
  border-radius: 16px;
  padding: 28px;
  transition: border-color 0.15s ease;
}
.service-card:hover { border-color: var(--blue); }

.service-num {
  font-family: 'Instrument Serif', serif;
  font-size: 30px;
  color: var(--blue);
  margin-bottom: 14px;
}

.service-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

.service-desc {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ink-muted);
}

/* Process */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.process-step {
  border-top: 2px solid var(--ink);
  padding-top: 20px;
}

.step-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 10px;
}

.step-title {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-desc {
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-muted);
}

/* Results / cases */
.cases-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
}

.case-card {
  background: var(--ink);
  color: var(--bg);
  border-radius: 16px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 220px;
}

.case-tag {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-tint);
}

.case-headline {
  font-family: 'Instrument Serif', serif;
  font-size: 26px;
  line-height: 1.25;
  text-wrap: balance;
}

.case-desc {
  font-size: 14px;
  line-height: 1.55;
  color: var(--dark-card-text);
  margin-top: auto;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 64px;
  align-items: center;
}

.about-grid .section-heading { margin-bottom: 20px; }

.headshot {
  width: 340px;
  height: 400px;
  max-width: 100%;
  border-radius: 20px;
  border: 1px solid var(--card-line);
  object-fit: cover;
  display: block;
}

.about-p {
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-soft);
  margin: 0 0 16px;
  max-width: 560px;
  text-wrap: pretty;
}
.about-p:last-of-type { margin-bottom: 28px; }

.about-grid .btn-link { font-size: 15px; }

/* Testimonials */
.quotes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.quote-card {
  margin: 0;
  background: var(--card-bg);
  border: 1px solid var(--card-line);
  border-radius: 16px;
  padding: 36px;
}

.quote-card blockquote {
  margin: 0 0 20px;
  font-family: 'Instrument Serif', serif;
  font-size: 24px;
  line-height: 1.4;
  text-wrap: pretty;
}

.quote-card figcaption {
  font-size: 14px;
  color: var(--ink-muted);
}
.quote-card figcaption span {
  font-weight: 600;
  color: var(--ink);
}

/* Contact */
.contact {
  padding: 100px 0 110px;
  border-top: 1px solid var(--line);
  text-align: center;
}

.contact h2 {
  font-family: 'Instrument Serif', serif;
  font-weight: 400;
  font-size: 54px;
  margin: 0 0 18px;
  text-wrap: balance;
}

.contact p {
  font-size: 17px;
  color: var(--ink-soft);
  margin: 0 0 36px;
}

.contact-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.btn-dark {
  display: inline-block;
  background: var(--ink);
  color: var(--bg);
  padding: 15px 30px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 600;
}
.btn-dark:hover { background: var(--blue); color: var(--bg); }

/* Footer */
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  color: var(--ink-faint);
  flex-wrap: wrap;
  gap: 12px;
}

.footer-links {
  display: flex;
  gap: 12px 24px;
  flex-wrap: wrap;
}
.footer-links a { white-space: nowrap; }

/* Responsive */
@media (max-width: 900px) {
  .hero h1 { font-size: 54px; }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .services-heading { position: static; }

  .process-grid { grid-template-columns: 1fr 1fr; }
  .cases-grid { grid-template-columns: 1fr; }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .quotes-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .container { padding: 0 20px; }

  .nav { flex-wrap: wrap; gap: 16px; }
  .nav-links { flex-wrap: wrap; gap: 16px; }

  .hero { padding: 64px 0 72px; }
  .hero h1 { font-size: 40px; }

  .section { padding: 56px 0; }
  .section-heading, .services-heading { font-size: 32px; }

  .services-cards { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }

  .btn-primary { font-size: 14px; padding: 13px 22px; }

  .contact { padding: 64px 0 72px; }
  .contact h2 { font-size: 36px; }
}