/* Better Habits Fitness Layout Patterns v1.0
   Requires tokens.css and components.css. */

.landing-shell { min-height: 100vh; background: var(--bh-paper-cool); overflow: hidden; }

/* Nav Bar: .nav-bar / .nav */
.nav-bar {
  max-width: var(--bh-container);
  margin: 0 auto;
  padding: 20px var(--bh-gutter-desktop);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 32px;
  border-bottom: 1px solid var(--bh-rule-cool);
}
.nav-links { display: flex; justify-content: center; gap: 32px; color: var(--bh-ink-soft); font-size: 14px; font-weight: 600; }
.nav-bar > .btn { justify-self: end; }

/* Hero Split: .hero / .hero-grid */
.hero { padding: 80px var(--bh-gutter-desktop) 96px; }
.hero-grid { max-width: var(--bh-container); margin: 0 auto; display: grid; grid-template-columns: 1.4fr 1fr; align-items: center; gap: var(--bh-gutter-desktop); }
.hero h1 { font-family: var(--bh-display); font-weight: 700; font-size: var(--bh-text-6xl); line-height: 0.88; letter-spacing: -0.07em; margin: 0 0 var(--bh-space-5); text-wrap: balance; color: var(--bh-ink); }
.hero h1 .italic { display: inline-block; line-height: 0.85; }

/* Process Grid: .how / .steps */
.how { background: var(--bh-paper-warm); padding: var(--bh-section-pad-y) var(--bh-gutter-desktop) var(--bh-section-pad-y-lg); }
.section-head { max-width: var(--bh-container); margin: 0 auto var(--bh-space-7); display: grid; grid-template-columns: 1fr auto; align-items: end; gap: var(--bh-space-5); }
.section-head h2 { font-family: var(--bh-display); font-weight: 700; font-size: var(--bh-text-4xl); line-height: 0.96; letter-spacing: -0.045em; max-width: 760px; margin: 0; }
.steps { max-width: var(--bh-container); margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--bh-ink); border-bottom: 1px solid var(--bh-ink); }

/* Proof Block: .proof / .proof-grid */
.proof { background: var(--bh-ink); color: var(--bh-white); padding: var(--bh-section-pad-y) var(--bh-gutter-desktop); }
.proof-grid { max-width: var(--bh-container); margin: 0 auto; display: grid; grid-template-columns: 1.3fr 0.7fr; gap: var(--bh-space-7); align-items: center; }
.proof blockquote { margin: 0; font-family: var(--bh-display); font-size: 44px; line-height: 1.15; font-weight: 500; letter-spacing: -0.03em; }
.proof blockquote::before { content: '❝'; display: block; color: var(--bh-purple-soft); font-size: 56px; line-height: 0.7; margin-bottom: var(--bh-space-3); }
.proof-stats { display: grid; gap: var(--bh-space-4); }
.proof-stats .stat { border-top: 1px solid var(--bh-on-dark-15); padding-top: var(--bh-space-4); }
.proof-stats .stat strong { display: block; font-family: var(--bh-display); font-size: 56px; line-height: 0.95; letter-spacing: -0.03em; }
.proof-stats .stat span { display: block; color: var(--bh-on-dark-55); font-size: 13px; margin-top: var(--bh-space-2); }

/* Final CTA: .final */
.final { position: relative; text-align: center; padding: 96px var(--bh-gutter-mobile) 112px; background: linear-gradient(180deg, var(--bh-paper-cool), var(--bh-lilac)); overflow: hidden; }
.final::before { content: ''; position: absolute; inset: 0; background-image: radial-gradient(rgba(156,104,216,.14) 1px, transparent 1px); background-size: 18px 18px; opacity: .35; }
.final > * { position: relative; z-index: 1; }
.final-eyebrow { justify-content: center; }
.final h2 { font-family: var(--bh-display); font-size: var(--bh-text-5xl); font-weight: 700; line-height: 0.92; letter-spacing: -0.055em; margin: 0 0 var(--bh-space-4); }
.final .lede { max-width: 560px; margin-inline: auto; color: var(--bh-ink-soft); }

/* Footer Bar: footer.foot */
.foot { background: var(--bh-ink); color: var(--bh-white); padding: 40px var(--bh-gutter-desktop) 28px; }
.foot-row { max-width: var(--bh-container); margin: 0 auto var(--bh-space-4); display: flex; align-items: center; justify-content: space-between; gap: var(--bh-space-4); }
.foot-links { display: flex; gap: 32px; color: var(--bh-on-dark-55); font-size: 14px; font-weight: 600; }
.foot p { max-width: var(--bh-container); margin: 0 auto; font-family: var(--bh-mono); font-size: var(--bh-text-2xs); letter-spacing: 0.16em; text-transform: uppercase; color: var(--bh-on-dark-55); }

@media (max-width: 980px) {
  .nav-bar { padding: 20px var(--bh-gutter-mobile); grid-template-columns: 1fr auto; }
  .nav-links { display: none; }
  .hero { padding: 64px var(--bh-gutter-mobile) 96px; }
  .hero-grid { grid-template-columns: 1fr; gap: var(--bh-space-6); }
  .how { padding: var(--bh-section-pad-y) var(--bh-gutter-mobile); }
  .section-head { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .step:nth-child(2) { border-right: 0; }
  .step:nth-child(-n+2) { border-bottom: 1px solid var(--bh-rule); }
  .proof-grid { grid-template-columns: 1fr; }
  .foot { padding-inline: var(--bh-gutter-mobile); }
}

@media (max-width: 640px) {
  .hero h1 { font-size: clamp(68px, 19vw, 92px); }
  .lede { font-size: 18px; }
  .snapshot { min-height: 360px; }
  .steps { grid-template-columns: 1fr; }
  .step, .step:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--bh-rule); }
  .step:last-child { border-bottom: 0; }
  .final h2 { font-size: clamp(54px, 15vw, 72px); }
  .foot-row { display: block; }
  .foot-links { margin-top: var(--bh-space-4); }
}