.nav {
  position: sticky; top: 0; z-index: 20;
  background: var(--paper); border-bottom: 1px solid var(--line);
}
.nav .container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav-logo { font-family: var(--font-display); font-size: 21px; font-weight: 600; letter-spacing: -0.2px; }
.nav-links { display: flex; align-items: center; gap: 28px; font-size: 14px; font-weight: 500; }
.nav-links a { text-decoration: none; }
.nav-links a:hover { color: var(--ember); }

/* ---------- Hero ---------- */
.hero { padding: 96px 0 72px; border-bottom: 1px solid var(--line); }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 64px; align-items: center; }
.hero-eyebrow { font-size: 14px; color: var(--ember); font-weight: 600; margin-bottom: 18px; }
.hero h1 {
  font-size: 52px; line-height: 1.06; letter-spacing: -0.5px; max-width: 15ch;
}
.hero p.lede { font-size: 18px; color: #3C4A41; margin: 22px 0 32px; max-width: 46ch; }
.hero-ctas { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.hero-note { margin-top: 18px; font-size: 13px; color: #6B6F63; }

/* Fasting ring visual */
.ring-card {
  background: var(--ink); border-radius: 14px; padding: 40px;
  display: flex; flex-direction: column; align-items: center; gap: 22px;
  color: var(--paper);
}
.ring-wrap { position: relative; width: 220px; height: 220px; }
.ring-wrap svg { transform: rotate(-90deg); }
.ring-label { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.ring-label .state { font-size: 12px; letter-spacing: 0.5px; color: var(--ember); font-weight: 700; text-transform: uppercase; }
.ring-label .time { font-family: var(--font-display); font-size: 32px; margin-top: 6px; }
.ring-label .sub { font-size: 12px; color: #A9B3AB; margin-top: 4px; }
.ring-legend { display: flex; gap: 22px; font-size: 13px; color: #C9D0C7; }
.ring-legend span::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }
.ring-legend .l1::before { background: var(--ember); }
.ring-legend .l2::before { background: #46584C; }

/* ---------- Trust strip ---------- */
.trust { padding: 28px 0; border-bottom: 1px solid var(--line); }
.trust-row { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 18px; font-size: 14px; color: #55594E; }

/* ---------- How it works ---------- */
.section { padding: 88px 0; }
.section-head { max-width: 56ch; margin-bottom: 48px; }
.section-head .kicker { font-size: 14px; color: var(--ember); font-weight: 600; margin-bottom: 12px; }
.section-head h2 { font-size: 34px; letter-spacing: -0.3px; line-height: 1.15; }
.section-head p { color: #3C4A41; margin-top: 14px; font-size: 16px; }

.flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: 1px solid var(--line); border-radius: var(--radius-md); overflow: hidden; }
.flow-step { padding: 32px; border-right: 1px solid var(--line); background: var(--paper-raised); }
.flow-step:last-child { border-right: none; }
.flow-step .day { font-family: var(--font-display); font-size: 15px; color: var(--ember); margin-bottom: 14px; }
.flow-step h3 { font-size: 19px; margin-bottom: 10px; }
.flow-step p { font-size: 14.5px; color: #3C4A41; }

/* ---------- Feature split ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.split + .split { margin-top: 72px; }
.split-visual { background: var(--forest); border-radius: 12px; padding: 32px; color: var(--forest-dim); min-height: 280px; }
.split ul { list-style: none; margin: 20px 0 0; padding: 0; }
.split li { padding: 14px 0; border-top: 1px solid var(--line); font-size: 15px; }
.split li:first-child { border-top: none; }
.split li strong { display: block; font-size: 15px; margin-bottom: 4px; }
.split li span { color: #3C4A41; font-size: 14px; }

.mock-list { display: flex; flex-direction: column; gap: 10px; }
.mock-item { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.14); border-radius: 8px; padding: 12px 16px; display: flex; justify-content: space-between; align-items: center; font-size: 14px; }
.mock-item .chk { width: 18px; height: 18px; border-radius: 4px; border: 1.5px solid #7C9082; display: inline-block; }
.mock-item.done .chk { background: var(--ember); border-color: var(--ember); }

/* ---------- Pricing ---------- */
.pricing-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.plan { border: 1px solid var(--line); border-radius: var(--radius-md); padding: 32px; background: var(--paper-raised); }
.plan.featured { border-color: var(--ink); position: relative; }
.plan-tag { font-size: 12px; font-weight: 700; color: var(--ember); text-transform: uppercase; letter-spacing: 0.4px; }
.plan h3 { font-size: 24px; margin: 10px 0 4px; }
.plan .price { font-family: var(--font-display); font-size: 40px; margin: 14px 0 22px; }
.plan .price span { font-size: 15px; font-family: var(--font-body); color: #6B6F63; font-weight: 500; }
.plan ul { list-style: none; padding: 0; margin: 0 0 26px; }
.plan li { padding: 9px 0; font-size: 14.5px; border-top: 1px solid var(--line); display: flex; gap: 10px; }
.plan li:first-child { border-top: none; }

/* ---------- Referral ---------- */
.referral-band { background: var(--ink); color: var(--paper); border-radius: 14px; padding: 56px; display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; }
.referral-band h2 { color: var(--paper); font-size: 30px; }
.referral-band p { color: #C9D0C7; margin-top: 14px; }
.referral-stat { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.14); border-radius: 10px; padding: 24px; text-align: center; }
.referral-stat .amt { font-family: var(--font-display); font-size: 36px; color: var(--ember-dim); }
.referral-stat .lbl { font-size: 13px; color: #A9B3AB; margin-top: 6px; }

/* ---------- Login / access section ---------- */
.access { padding: 88px 0; border-top: 1px solid var(--line); }
.access-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.tab-bar { display: flex; gap: 4px; background: var(--line); padding: 4px; border-radius: var(--radius-sm); margin-bottom: 24px; width: fit-content; }
.tab-btn { padding: 8px 18px; border: none; background: transparent; border-radius: 3px; font-size: 14px; font-weight: 600; color: #55594E; }
.tab-btn.active { background: var(--paper-raised); color: var(--ink); }

.role-toggle { display: flex; gap: 8px; }
.role-btn {
  flex: 1; padding: 10px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  background: var(--paper-raised); font-size: 14px; font-weight: 600; color: #55594E;
}
.role-btn.active { border-color: var(--ink); background: var(--ink); color: var(--paper); }
.auth-panel { display: none; }
.auth-panel.active { display: block; }

footer { border-top: 1px solid var(--line); padding: 40px 0; font-size: 13px; color: #6B6F63; }
footer .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

@media (max-width: 860px) {
  .hero-grid, .split, .access-grid, .pricing-grid, .referral-band { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; }
  .flow-step { border-right: none; border-bottom: 1px solid var(--line); }
  .hero h1 { font-size: 38px; }
  .hero { padding: 56px 0 48px; }
  .section { padding: 56px 0; }
}

/* ---------- Password show/hide ---------- */
.pw-wrap { position: relative; display: flex; align-items: center; }
.pw-wrap input { padding-right: 68px; }
.pw-toggle {
  position: absolute; right: 6px; background: transparent; border: none;
  font-size: 13px; font-weight: 600; color: #55594E; padding: 8px 10px; border-radius: 4px;
}
.pw-toggle:hover { color: var(--ember); background: rgba(0,0,0,0.03); }

/* ---------- Mobile polish ---------- */
@media (max-width: 600px) {
  .nav .container { height: 62px; }
  .nav-links { gap: 14px; font-size: 13px; }
  .hero h1 { font-size: 31px; }
  .hero p.lede { font-size: 16px; }
  .hero-ctas .btn { width: 100%; justify-content: center; }
  .ring-card { padding: 26px; }
  .ring-wrap { width: 170px; height: 170px; }
  .ring-wrap svg { width: 170px; height: 170px; }
  .section-head h2 { font-size: 26px; }
  .referral-band { padding: 28px; }
  .plan { padding: 24px; }
  .field input, .field select, .field textarea { font-size: 16px; }
  .trust-row { flex-direction: column; gap: 8px; font-size: 13px; }
}