/* ===========================================================
   Gentle Brooks — Design System
   Apple-style restraint & type discipline, Nike-style confidence
   in color, scale, and calls to action.
=========================================================== */

:root {
  --ink: #1D1D1F;
  --ink-soft: #6E6E73;
  --ink-faint: #9A9AA0;
  --bg: #FBFBFA;
  --bg-alt: #F2F1ED;
  --bg-deep: #EDEBE4;
  --white: #FFFFFF;
  --accent: #2F6F62;
  --accent-dark: #1F4E44;
  --accent-tint: #E7EFEC;
  --line: rgba(29,29,31,0.10);
  --line-strong: rgba(29,29,31,0.16);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: 1180px;
  --shadow-soft: 0 1px 2px rgba(29,29,31,0.04), 0 12px 32px rgba(29,29,31,0.06);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 18px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font);
  color: var(--ink);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 0.5em;
  font-weight: 700;
}

p { margin: 0 0 1em; }
a { color: var(--accent); }
img { max-width: 100%; display: block; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--ink);
  color: var(--white);
  padding: 12px 18px;
  border-radius: 10px;
  z-index: 1000;
  font-weight: 600;
}
.skip-link:focus { left: 16px; top: 16px; }

/* ---------- Typography scale ---------- */
.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.display-1 {
  font-size: clamp(2.6rem, 5.4vw, 4.6rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.display-2 {
  font-size: clamp(2rem, 3.6vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.025em;
}

.lead {
  font-size: clamp(1.05rem, 1.4vw, 1.3rem);
  color: var(--ink-soft);
  font-weight: 400;
  max-width: 640px;
}

/* ---------- Utility bar ---------- */
.call-strip {
  background: var(--ink);
  color: var(--white);
  text-align: center;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 10px 12px;
}
.call-strip a { color: var(--white); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(251,251,250,0.72);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 1px 0 rgba(29,29,31,0.02);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}
.brand-mark { height: 34px; width: 34px; }
.brand-word {
  font-weight: 700;
  font-size: 17px;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 32px;
  margin: 0;
  padding: 0;
  font-size: 15px;
}
.main-nav a {
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  padding: 6px 2px;
  position: relative;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s var(--ease);
}
.main-nav a:hover::after,
.main-nav a[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }

.nav-flex {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-cta { display: inline-flex; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 40px;
  height: 40px;
  padding: 0;
  cursor: pointer;
  position: relative;
  z-index: 210;
}
.nav-toggle .bar {
  position: absolute;
  left: 8px;
  right: 8px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.2s var(--ease);
}
.nav-toggle .bar:nth-child(1) { top: 14px; }
.nav-toggle .bar:nth-child(2) { top: 20px; }
.nav-toggle .bar:nth-child(3) { top: 26px; }
.nav-toggle[aria-expanded="true"] .bar:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .bar:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font);
  font-weight: 700;
  font-size: 15.5px;
  padding: 15px 30px;
  border-radius: 100px;
  text-decoration: none;
  border: 1.5px solid transparent;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
  cursor: pointer;
}
.btn:active { transform: scale(0.97); }

.btn-primary { background: var(--ink); color: var(--white); }
.btn-primary:hover { background: var(--accent-dark); }

.btn-accent { background: var(--accent); color: var(--white); }
.btn-accent:hover { background: var(--accent-dark); }

.btn-outline { background: transparent; color: var(--ink); border-color: var(--line-strong); }
.btn-outline:hover { border-color: var(--ink); }

.btn-ghost {
  background: none;
  border: none;
  padding: 6px 0;
  color: var(--ink);
  border-radius: 0;
  font-weight: 700;
}
.btn-ghost::after { content: "\2192"; transition: transform 0.2s var(--ease); }
.btn-ghost:hover::after { transform: translateX(4px); }

.btn-row { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }

/* ---------- Sections ---------- */
section.section { padding: 104px 0; }
section.section.tight { padding: 72px 0; }
section.section.alt { background: var(--bg-alt); }
section.section.deep { background: var(--ink); color: var(--white); }
section.section.deep h2, section.section.deep h3 { color: var(--white); }
section.section.deep .lead { color: rgba(255,255,255,0.72); }
section.section.accent-block { background: var(--accent); color: var(--white); }
section.section.accent-block h2 { color: var(--white); }
section.section.accent-block p { color: rgba(255,255,255,0.85); }

.section-heading { max-width: 680px; margin: 0 0 56px; }
.section-heading.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- Reveal on scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }

/* ---------- Hero ---------- */
.hero {
  padding: 88px 0 64px;
}
.hero-inner { max-width: 760px; }
.hero .btn-row { margin-top: 36px; }

.hero-visual {
  margin-top: 64px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--accent-tint) 0%, var(--bg-alt) 100%);
  padding: 64px 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 56px;
  flex-wrap: wrap;
}
.hero-stat { text-align: center; min-width: 140px; }
.hero-stat .num {
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.hero-stat .label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: 6px;
}

/* ---------- Trust row ---------- */
.trust-row {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
  text-align: center;
}
.trust-row li {
  max-width: 220px;
  font-size: 14.5px;
  color: var(--ink-soft);
  font-weight: 500;
}
.trust-row .glyph {
  display: block;
  width: 40px;
  height: 40px;
  line-height: 40px;
  border-radius: 50%;
  background: var(--accent-tint);
  color: var(--accent);
  font-weight: 700;
  margin: 0 auto 12px;
}

/* ---------- Feature rows (editorial) ---------- */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.feature-row + .feature-row { margin-top: 120px; }
.feature-row.reverse .feature-visual { order: 2; }
.feature-row.reverse .feature-copy { order: 1; }

.feature-visual {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  background: var(--bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.feature-visual .mark {
  width: 96px;
  height: 96px;
  opacity: 0.9;
}
.feature-visual.tint-a { background: linear-gradient(150deg, #E7EFEC, #F2F1ED); }
.feature-visual.tint-b { background: linear-gradient(150deg, #F2EDE6, #F2F1ED); }

.feature-copy h3 { font-size: clamp(1.5rem, 2.4vw, 2rem); }
.feature-list {
  list-style: none;
  padding: 0;
  margin: 22px 0 0;
}
.feature-list li {
  padding-left: 28px;
  position: relative;
  margin-bottom: 12px;
  color: var(--ink-soft);
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

/* ---------- Steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.step { border-top: 1px solid var(--line-strong); padding-top: 24px; }
.step .num {
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
  display: block;
  margin-bottom: 10px;
}
.step h4 { font-size: 1.05rem; margin-bottom: 6px; }
.step p { color: var(--ink-soft); font-size: 15px; margin: 0; }

/* ---------- Cards (services / pricing) ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card {
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  padding: 32px;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.card:hover { border-color: var(--line-strong); transform: translateY(-3px); box-shadow: var(--shadow-soft); }
.card h3 { font-size: 1.15rem; }
.card p { color: var(--ink-soft); font-size: 15px; }

.card ul {
  margin: 0;
  padding-left: 0;
  list-style: none;
  font-size: 15px;
  color: var(--ink-soft);
}
.card ul li {
  padding-left: 22px;
  position: relative;
  margin-bottom: 8px;
}
.card ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 8px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

/* ---------- Pricing ---------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}
.price-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.price-card:hover { border-color: var(--line-strong); transform: translateY(-3px); box-shadow: var(--shadow-soft); }
.price-card.featured {
  border: 2px solid var(--accent);
  box-shadow: var(--shadow-soft);
}
.price-card.featured:hover { transform: translateY(-6px); }
.price-card .value-note {
  margin-top: 16px;
  padding: 12px 14px;
  background: var(--accent-tint);
  border-radius: 12px;
  font-size: 13px;
  color: var(--accent-dark);
  font-weight: 600;
  text-align: center;
}
.price-card .badge {
  position: absolute;
  top: -14px;
  left: 32px;
  background: var(--accent);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
}
.price-card h3 { font-size: 1.2rem; }
.price-card .price {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 4px 0 20px;
}
.price-card .price span {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
}
.price-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
  font-size: 15px;
  color: var(--ink-soft);
  flex-grow: 1;
}
.price-card ul li {
  padding-left: 24px;
  position: relative;
  margin-bottom: 10px;
}
.price-card ul li::before {
  content: "\2713";
  position: absolute;
  left: 0; top: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ---------- Testimonials ---------- */
.quote-block { max-width: 780px; margin: 0 auto 40px; }
.quote-block .mark {
  font-size: 4rem;
  color: var(--accent);
  line-height: 1;
  font-weight: 700;
  margin-bottom: 8px;
  display: block;
}
.quote-block p.quote {
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.quote-block p.attr {
  font-size: 14px;
  color: var(--ink-soft);
  font-weight: 600;
  margin-top: 12px;
}

/* ---------- CTA banner ---------- */
.cta-banner { text-align: center; }
.cta-banner h2 { max-width: 620px; margin-left: auto; margin-right: auto; }
.cta-banner p.lead { max-width: 520px; margin-left: auto; margin-right: auto; }
.cta-banner .btn-row { justify-content: center; margin-top: 30px; }
.cta-banner .btn-primary { background: var(--white); color: var(--ink); }
.cta-banner .btn-primary:hover { background: var(--bg-alt); }
.cta-banner .btn-outline { border-color: rgba(255,255,255,0.5); color: var(--white); }
.cta-banner .btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,0.1); }

/* ---------- Forms ---------- */
.card-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  padding: 40px;
  max-width: 640px;
  margin: 0 auto;
}
.form-row { margin-bottom: 22px; }
.form-row label {
  display: block;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 8px;
  color: var(--ink);
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--line-strong);
  border-radius: 12px;
  font-family: var(--font);
  font-size: 16px;
  background: var(--bg);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-tint);
}
.form-row textarea { resize: vertical; min-height: 120px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-note { font-size: 13.5px; color: var(--ink-soft); margin-top: 18px; text-align: center; }

/* ---------- Callout ---------- */
.callout {
  background: var(--accent-tint);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 22px 26px;
  font-size: 15px;
  color: var(--ink);
  max-width: 780px;
}
.callout strong { color: var(--accent-dark); }
.callout.on-dark {
  background: rgba(255,255,255,0.08);
  border-left-color: rgba(255,255,255,0.6);
  color: rgba(255,255,255,0.9);
}

/* ---------- Embed box ---------- */
.embed-box {
  background: var(--bg-alt);
  border: 1.5px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  color: var(--ink-soft);
  font-size: 15px;
}
.embed-box strong { color: var(--ink); }
.embed-box code {
  background: var(--white);
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 13px;
  border: 1px solid var(--line);
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items: start;
}
.info-list {
  list-style: none;
  padding: 0;
  font-size: 16px;
}
.info-list li {
  margin-bottom: 22px;
  padding-left: 30px;
  position: relative;
}
.info-list .glyph {
  position: absolute;
  left: 0; top: 0;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 2px;
}
.info-list li > a, .info-list li { display: block; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: rgba(255,255,255,0.6);
  padding: 64px 0 28px;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand span { color: var(--white); font-weight: 700; font-size: 16px; }
.site-footer h4 {
  color: var(--white);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.site-footer a { color: rgba(255,255,255,0.6); text-decoration: none; }
.site-footer a:hover { color: var(--white); }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 12px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 22px;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

/* ---------- Responsive ---------- */
@media (max-width: 920px) {
  .feature-row { grid-template-columns: 1fr; gap: 32px; }
  .feature-row.reverse .feature-visual,
  .feature-row.reverse .feature-copy { order: initial; }
  .feature-row + .feature-row { margin-top: 72px; }
  .card-grid { grid-template-columns: 1fr 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .steps { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  body { font-size: 17px; }
  section.section { padding: 72px 0; }
  .nav-flex { display: none; }
  .nav-toggle { display: block; }

  .main-nav {
    display: none;
  }
  .main-nav.open {
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: fixed;
    inset: 0;
    background: var(--bg);
    padding: 100px 40px 40px;
    z-index: 205;
  }
  .main-nav.open ul {
    flex-direction: column;
    gap: 8px;
  }
  .main-nav.open a { font-size: 28px; display: block; padding: 12px 0; }
  .main-nav.open .nav-cta { margin-top: 24px; }

  .card-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .step { padding-top: 20px; }
  .footer-grid { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .hero-visual { gap: 32px; padding: 40px 24px; }
  .card-form, .embed-box { padding: 28px; }
}