*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --green: #00B07A;
  --green-dark: #00845C;
  --teal: #4DDFB4;
  --green-muted: #E6F7F2;
  --red: #D94F2B;
  --red-muted: #FDF0EC;
  --ink: #0D1F3C;
  --ink-soft: #162B50;
  --muted: #6B7B9A;
  --surface: #F7F9FC;
  --surface-1: #FFFFFF;
  --border: #E2E8F3;
  --font-sans: 'Plus Jakarta Sans', sans-serif;
  --font-display: 'Plus Jakarta Sans', sans-serif;
  --nav-h: 4.5rem;
  --radius: 12px;
  --shadow-sm: 0 2px 8px rgba(13,31,60,.07);
  --shadow-md: 0 8px 24px rgba(13,31,60,.10);
}

html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); color: var(--ink); background: var(--surface); }
h1, h2, h3 { font-family: var(--font-display); }

/* ── NAV ── */
.site-nav { position: sticky; top: 0; z-index: 100; height: var(--nav-h); background: var(--ink); border-bottom: 2px solid var(--teal); }
.nav-inner { max-width: 1120px; height: 100%; margin: 0 auto; padding: 0 1.5rem; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { font-family: var(--font-display); font-weight: 700; font-size: 1.75rem; color: #fff; text-decoration: none; }
.brand .cursive { font-style: italic; color: var(--teal); }
.nav-links { display: flex; gap: 2rem; }
.nav-links .nav-link { display: flex; align-items: center; gap: .4rem; color: rgba(255,255,255,.75); text-decoration: none; font-weight: 500; padding: .5rem 0; border-bottom: 2px solid transparent; transition: color .2s, border-color .2s; }
.nav-links .nav-link:hover, .nav-links .nav-link.is-active { color: #fff; border-bottom-color: var(--teal); }

.site-main { min-height: calc(100vh - var(--nav-h)); }

/* ── HERO ── */
.home-hero { background: linear-gradient(135deg, var(--ink), var(--ink-soft)); color: #fff; text-align: center; padding: 5rem 1.5rem; }
.home-hero .eyebrow { color: var(--teal); text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; font-weight: 700; }
.home-hero h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); line-height: 1.1; margin-top: .75rem; }
.home-hero .lead { color: rgba(255,255,255,.75); max-width: 640px; margin: 1.25rem auto 2rem; font-size: 1.1rem; line-height: 1.7; }

/* ── HOW IT WORKS ── */
.home-features { max-width: 1120px; margin: 0 auto; padding: 4rem 1.5rem; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; }
.feature-card { background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.75rem; box-shadow: var(--shadow-sm); transition: transform .2s, box-shadow .2s; }
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.feature-card .step-num { font-family: var(--font-display); font-weight: 700; font-style: italic; color: var(--green); font-size: 1.5rem; display: block; margin-bottom: .5rem; }
.feature-card h3 { font-size: 1.05rem; margin-bottom: .5rem; }
.feature-card p { color: var(--muted); font-size: .95rem; line-height: 1.6; }

/* ── MOOD / BREATHING SECTION ── */
.mood-section { max-width: 900px; margin: 0 auto; padding: 1rem 1.5rem 4rem; }
.mood-section__header { text-align: center; margin-bottom: 2rem; }
.mood-section__header .eyebrow { color: var(--green); text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; font-weight: 700; }
.sec-lead { color: var(--muted); }

.mood-grid { display: grid; gap: 1rem; }
.mood-card { background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.mood-card summary { list-style: none; cursor: pointer; padding: 1.1rem 1.4rem; display: flex; align-items: center; gap: .9rem; font-family: var(--font-display); font-weight: 600; font-size: 1.1rem; }
.mood-card summary::-webkit-details-marker { display: none; }
.mood-card summary .emoji { font-size: 1.4rem; }
.mood-card summary .chevron { margin-left: auto; color: var(--muted); transition: transform .2s; }
.mood-card[open] summary .chevron { transform: rotate(180deg); }
.mood-card .protocol { padding: 0 1.4rem 1.4rem; border-top: 1px solid var(--border); }
.mood-card .protocol h3 { font-size: 1rem; margin-top: 1rem; }
.protocol-exercise + .protocol-exercise { margin-top: 1.25rem; padding-top: 1.25rem; border-top: 1px dashed var(--border); }
.protocol-tone { color: var(--muted); font-size: .9rem; margin-top: .25rem; }
.protocol-phases { display: flex; flex-wrap: wrap; gap: .5rem; margin: .9rem 0; }
.phase-chip { background: var(--green-muted); color: var(--green-dark); font-weight: 600; font-size: .8rem; padding: .3rem .75rem; border-radius: 999px; }
.protocol-steps { color: var(--ink-soft); line-height: 1.7; font-size: .95rem; }
.protocol-insight { margin-top: 1rem; padding: 1rem; background: var(--surface); border-left: 3px solid var(--teal); border-radius: 0 8px 8px 0; text-align: left; }
.protocol-insight__quote { font-weight: 600; font-size: .9rem; }
.protocol-insight__body { color: var(--muted); font-size: .85rem; margin-top: .4rem; }
.protocol-insight__source { color: var(--muted); font-size: .75rem; margin-top: .5rem; font-style: italic; }

/* ── CTA ── */
.cta-band { background: var(--green-muted); text-align: center; padding: 3.5rem 1.5rem; }
.cta-band h2 { color: var(--ink); }
.cta-band p { color: var(--muted); margin: .5rem 0 1.5rem; }

.btn-primary { background: var(--green); border-color: var(--green); color: #fff; font-weight: 600; }
.btn-primary:hover { background: var(--green-dark); border-color: var(--green-dark); color: #fff; }
.btn-success { background: var(--teal); border-color: var(--teal); color: var(--ink); font-weight: 600; }
.cta-button { padding: .85rem 2.25rem; border-radius: 999px; box-shadow: var(--shadow-md); }

/* ── CHECK-IN STUB ── */
.coming-soon { max-width: 480px; margin: 0 auto; padding: 6rem 1.5rem; text-align: center; }
.coming-soon i { font-size: 2.5rem; color: var(--teal); }
.coming-soon h1 { margin: 1rem 0 .5rem; }
.coming-soon p { color: var(--muted); margin-bottom: 1.5rem; }

/* ── CHECK-IN WIZARD ── */
.checkin-wizard { max-width: 640px; margin: 0 auto; padding: 3rem 1.5rem 5rem; }

.anonymity-banner { display: flex; align-items: flex-start; gap: .9rem; background: var(--green-muted); border: 1px solid var(--teal); border-radius: var(--radius); padding: 1rem 1.25rem; margin-bottom: 2rem; }
.anonymity-banner i { color: var(--green-dark); font-size: 1.3rem; margin-top: .1rem; }
.anonymity-banner strong { display: block; color: var(--ink); font-size: .95rem; margin-bottom: .2rem; }
.anonymity-banner span { color: var(--ink-soft); font-size: .85rem; line-height: 1.5; }

.checkin-steps { display: flex; justify-content: center; gap: .6rem; list-style: none; margin-bottom: 1.75rem; }
.step-dot { width: .55rem; height: .55rem; border-radius: 50%; background: var(--border); transition: background .2s, transform .2s; }
.step-dot.is-active { background: var(--green); transform: scale(1.3); }
.step-dot.is-done { background: var(--teal); }

.checkin-card { background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 2rem 1.75rem; position: relative; min-height: 320px; }
.checkin-step { display: none; }
.checkin-step.is-active { display: block; animation: fadeIn .25s ease; }
.checkin-step h1 { font-size: 1.4rem; margin-bottom: .4rem; }
.checkin-step .sec-lead { margin-bottom: 1.5rem; }

.step-back { background: none; border: none; color: var(--muted); font-weight: 500; font-size: .85rem; padding: 0; margin-bottom: 1rem; cursor: pointer; }
.step-back:hover { color: var(--ink); }

.chip-grid { display: flex; flex-wrap: wrap; gap: .65rem; }
.chip { border: 1.5px solid var(--border); background: var(--surface); color: var(--ink); font-weight: 500; font-size: .95rem; padding: .7rem 1.25rem; border-radius: 999px; cursor: pointer; transition: border-color .15s, background .15s, transform .1s; }
.chip:hover { border-color: var(--teal); }
.chip.is-selected { background: var(--green); border-color: var(--green); color: #fff; transform: translateY(-1px); }
.chip-grid--mood .chip { font-size: 1.05rem; }

.skip-question { display: block; margin-top: 1.25rem; color: var(--muted); font-size: .85rem; text-decoration: underline; background: none; border: none; cursor: pointer; }
.skip-question:hover { color: var(--ink); }

.checkin-summary { color: var(--ink-soft); font-size: 1rem; margin-bottom: 1.5rem; }
.checkin-actions { display: flex; }
.checkin-error { color: var(--red); font-size: .85rem; margin-top: 1rem; }

.checkin-step--success { text-align: center; padding-top: 1rem; }
.checkin-step--success i { font-size: 2.75rem; color: var(--green); }
.checkin-step--success h1 { margin: 1rem 0 .5rem; }
.checkin-step--success p { color: var(--muted); margin-bottom: 1.5rem; }

.checkin-step--breathing { text-align: center; }
.checkin-step--breathing .eyebrow { color: var(--green); text-transform: uppercase; letter-spacing: .08em; font-size: .75rem; font-weight: 700; }

.breathing-layout { display: flex; flex-direction: column; gap: 1rem; margin-top: .5rem; }
.breathing-box { text-align: center; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); padding: 1.5rem 1.5rem; }
.breathing-box h1 { margin-top: 0; }
.breathing-box .protocol-steps { max-width: 440px; margin: 1.5rem auto 0; text-align: left; }
.breathing-box .protocol-insight { max-width: 440px; margin: 1rem auto 0; }
.breathing-actions { display: flex; justify-content: flex-end; }

.breath-circle {
  width: 170px; height: 170px; margin: 2.5rem auto 2rem; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #7FD0A0, var(--green) 60%, var(--green-dark));
  box-shadow: 0 18px 45px -18px rgba(13,31,60,.45);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .25rem;
  transform: scale(1);
}
.breath-phase { font-family: var(--font-display); font-weight: 600; font-size: 1.15rem; color: #fff; }
.breath-countdown { font-size: 1.6rem; font-weight: 700; color: #fff; }

@media (prefers-reduced-motion: reduce) {
  .breath-circle { transition: none !important; }
}

@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }

/* ── RESPONSIVE ── */
@media (max-width: 640px) {
  .nav-links .nav-link span { display: none; }
  .checkin-card { padding: 1.5rem 1.25rem; }
}