/* ─── Diat landing page — design 3a "Feature tour + Pro pricing" ───
   Palette: deep forest #0C1710 / #12291F, mint #EEF3EE / #F0F6EF,
   coral #F4623A, mint-green accent #9ED9B4 */

:root {
  --forest-deepest: #0A1811;
  --forest-dark: #0C1710;
  --forest: #12291F;
  --forest-panel: #16211A;
  --mint-bg: #EEF3EE;
  --mint-text: #F0F6EF;
  --paper: #FDFDFB;
  --coral: #F4623A;
  --coral-text: #FFF7F3;
  --mint-accent: #9ED9B4;
  --font: "Archivo", system-ui, sans-serif;
  --font-black: "Archivo Black", "Archivo", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--forest-dark);
  color: var(--mint-text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }

img { display: block; max-width: 100%; }

.display {
  margin: 0;
  font-family: var(--font-black);
  font-weight: 400;
}

/* ─── nav ─── */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 56px;
  background: var(--forest-dark);
}

.logo {
  font: 800 24px/1 var(--font);
  letter-spacing: -0.5px;
  color: var(--mint-text);
}

.logo em { font-style: normal; color: var(--coral); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-links a {
  font: 600 14px var(--font);
  color: rgba(240, 246, 239, .75);
  transition: color .15s;
}

.nav-links a:hover { color: var(--mint-text); }

.btn-pill {
  font: 700 14px var(--font);
  background: var(--coral);
  color: var(--coral-text) !important;
  padding: 11px 20px;
  border-radius: 999px;
  transition: filter .15s;
}

.btn-pill:hover { filter: brightness(1.08); }

/* ─── hero ─── */
.hero {
  background:
    radial-gradient(900px 480px at 18% -10%, rgba(244, 98, 58, .55), rgba(244, 98, 58, 0) 62%),
    var(--forest-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 22px;
  padding: 72px 56px 64px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(240, 246, 239, .1);
  border: 1px solid rgba(240, 246, 239, .16);
  border-radius: 999px;
  padding: 7px 16px;
  font: 700 12px var(--font);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--mint-accent);
}

.hero h1 {
  font-size: clamp(32px, 5.7vw, 68px);
  line-height: 1;
  letter-spacing: -2px;
  color: var(--mint-text);
}

.hero .sub {
  margin: 0;
  max-width: 560px;
  font: 400 19px/1.55 var(--font);
  color: rgba(240, 246, 239, .65);
  text-wrap: pretty;
}

.store-buttons {
  display: flex;
  gap: 14px;
  margin-top: 6px;
}

.btn-store {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2px;
  padding: 12px 26px;
  border-radius: 13px;
  transition: filter .15s, background .15s;
}

.btn-store:hover { filter: brightness(1.08); }

.btn-store .pre { font: 600 10px/1 var(--font); }
.btn-store .name { font: 800 18px/1.1 var(--font); }

.btn-store.solid { background: var(--coral); color: var(--coral-text); }
.btn-store.solid .pre { opacity: .85; }

.btn-store.outline {
  background: transparent;
  color: var(--mint-text);
  border: 1.5px solid rgba(240, 246, 239, .35);
}
.btn-store.outline:hover { background: rgba(240, 246, 239, .07); filter: none; }
.btn-store.outline .pre { opacity: .75; letter-spacing: .06em; }

/* ─── tab strip ─── */
.tabs {
  display: flex;
  justify-content: center;
  gap: 56px;
  background: var(--mint-bg);
  color: var(--forest);
  padding: 0 56px;
  box-shadow: 0 6px 14px -10px rgba(0, 0, 0, .35);
}

.tabs a {
  font: 700 14px var(--font);
  letter-spacing: .14em;
  text-transform: uppercase;
  padding: 22px 2px 18px;
  border-bottom: 3px solid transparent;
  color: rgba(18, 41, 31, .5);
  transition: color .15s;
}

.tabs a:hover { color: var(--forest); }

.tabs a.active {
  border-bottom-color: var(--coral);
  color: var(--forest);
}

/* ─── light intro ─── */
.intro {
  background: var(--mint-bg);
  color: var(--forest);
  text-align: center;
  padding: 80px 56px 56px;
}

.intro h2 {
  font-size: clamp(27px, 3.7vw, 44px);
  line-height: 1.1;
  letter-spacing: -1px;
}

/* ─── photo bands ─── */
.band {
  position: relative;
  height: 440px;
  background: var(--forest-dark);
}

.band-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.band-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
  padding: 0 56px;
}

.band-track { background: var(--mint-bg); }

.band-track .band-overlay {
  background: linear-gradient(90deg, rgba(12, 23, 16, .72) 0%, rgba(12, 23, 16, .25) 55%, rgba(12, 23, 16, 0) 75%);
}

.band-fast .band-overlay {
  background: linear-gradient(90deg, rgba(12, 23, 16, 0) 30%, rgba(12, 23, 16, .3) 50%, rgba(12, 23, 16, .75) 100%);
  align-items: flex-end;
  text-align: right;
}

.band h2 {
  max-width: 520px;
  font-size: clamp(28px, 3.8vw, 46px);
  line-height: 1.05;
  letter-spacing: -1px;
  color: var(--mint-text);
}

.band-fast h2 { max-width: 480px; }

.band p {
  margin: 0;
  max-width: 440px;
  font: 400 17px/1.55 var(--font);
  color: rgba(240, 246, 239, .85);
}

.band-fast p { max-width: 420px; }

/* ─── feature cards ─── */
.features {
  background: var(--mint-bg);
  color: var(--forest);
  padding: 64px 56px;
  display: flex;
  flex-direction: column;
  gap: 36px;
  align-items: center;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  width: 100%;
}

.feature {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  text-align: center;
}

.feature-shot {
  width: 100%;
  height: 300px;
  background: var(--forest);
  border-radius: 24px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 26px;
}

.feature-shot .phone {
  width: 201px;
  border-radius: 26px;
  overflow: hidden;
  flex: none;
  box-shadow: 0 18px 36px -14px rgba(0, 0, 0, .6);
}

.feature-shot .phone img { width: 201px; }

.tag-new {
  display: inline-flex;
  background: var(--coral);
  color: var(--coral-text);
  font: 800 11px var(--font);
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 4px;
}

.feature h3 {
  margin: 0;
  font: 700 21px var(--font);
}

/* no "New" tag → nudge title down so all three titles align */
.feature h3.no-tag { margin-top: 29px; }

.feature p {
  margin: 0;
  max-width: 300px;
  font: 400 14.5px/1.55 var(--font);
  color: rgba(18, 41, 31, .65);
}

.btn-cta {
  font: 700 15px var(--font);
  background: var(--coral);
  color: var(--coral-text);
  padding: 14px 30px;
  border-radius: 12px;
  transition: filter .15s;
}

.btn-cta:hover { filter: brightness(1.08); }

/* ─── fasting split ─── */
.fasting {
  background: var(--mint-bg);
  color: var(--forest);
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 56px;
  align-items: center;
  padding: 72px 56px;
}

.fasting-copy {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.kicker {
  font: 700 12px var(--font);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--coral);
}

.fasting h2 {
  font-size: clamp(27px, 3.3vw, 40px);
  line-height: 1.05;
  letter-spacing: -1px;
}

.fasting p {
  margin: 0;
  max-width: 460px;
  font: 400 16px/1.6 var(--font);
  color: rgba(18, 41, 31, .6);
}

.fasting-phone {
  display: flex;
  justify-content: center;
}

.device {
  width: 250px;
  height: 434px;
  border-radius: 42px;
  border: 7px solid var(--forest-deepest);
  overflow: hidden;
  background: #fff;
  box-shadow: 0 26px 50px -18px rgba(12, 23, 16, .45);
}

.device img { width: 237.6px; }

/* ─── pro pricing ─── */
.pro {
  background:
    radial-gradient(800px 420px at 82% 0%, rgba(244, 98, 58, .45), rgba(244, 98, 58, 0) 60%),
    var(--forest-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 26px;
  padding: 80px 56px 72px;
  text-align: center;
}

.badge-pro {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(244, 98, 58, .15);
  border: 1px solid rgba(244, 98, 58, .4);
  border-radius: 999px;
  padding: 7px 16px;
  font: 800 12px var(--font);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--coral);
}

.pro > h2 {
  font-size: clamp(30px, 4.3vw, 52px);
  line-height: 1.02;
  letter-spacing: -1.5px;
  color: var(--mint-text);
}

/* trial timeline card */
.timeline {
  background: var(--paper);
  color: var(--forest);
  border-radius: 20px;
  max-width: 560px;
  width: 100%;
  text-align: left;
  padding: 30px 34px;
  box-shadow: 0 24px 60px -20px rgba(0, 0, 0, .5);
}

.timeline-grid {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 0 18px;
}

.timeline-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.timeline-dot {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font: 800 13px var(--font);
  flex: none;
}

.timeline-dot.step-1 { background: var(--forest); color: var(--mint-text); }

.timeline-dot.step-2 {
  background: var(--mint-bg);
  border: 1.5px solid rgba(18, 41, 31, .2);
  color: var(--forest);
}

.timeline-dot.step-3 { background: var(--coral); color: var(--coral-text); }

.timeline-line {
  width: 2px;
  flex: 1;
  background: rgba(18, 41, 31, .15);
  margin: 4px 0;
}

.timeline-body { padding-bottom: 22px; }
.timeline-body:last-child { padding-bottom: 0; }

.timeline-body h3 {
  margin: 0;
  font: 700 16px var(--font);
}

.timeline-body p {
  margin: 3px 0 0;
  font: 400 14px/1.5 var(--font);
  color: rgba(18, 41, 31, .6);
}

.btn-trial {
  font: 800 16px var(--font);
  background: var(--coral);
  color: var(--coral-text);
  padding: 16px 36px;
  border-radius: 12px;
  transition: filter .15s;
}

.btn-trial:hover { filter: brightness(1.08); }

.link-more {
  font: 700 14px var(--font);
  color: var(--coral);
}

.link-more:hover { text-decoration: underline; }

/* plan cards */
.plans {
  display: grid;
  grid-template-columns: repeat(3, 320px);
  gap: 22px;
  justify-content: center;
  margin-top: 30px;
  text-align: left;
}

.plan {
  background: var(--forest-panel);
  border: 1px solid rgba(240, 246, 239, .12);
  border-radius: 18px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.plan-flag {
  align-self: flex-start;
  background: rgba(240, 246, 239, .12);
  color: var(--mint-text);
  font: 700 11px var(--font);
  letter-spacing: .06em;
  padding: 5px 9px;
  border-radius: 5px;
}

.plan-name {
  font: 700 14px var(--font);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(240, 246, 239, .8);
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.plan-price .amount {
  font: 400 42px var(--font-black);
  color: var(--mint-text);
}

.plan-price .per {
  font: 600 14px var(--font);
  color: rgba(240, 246, 239, .55);
}

.plan-note {
  font: 400 13.5px/1.5 var(--font);
  color: rgba(240, 246, 239, .55);
}

.plan-btn {
  margin-top: auto;
  text-align: center;
  font: 700 15px var(--font);
  color: var(--mint-text);
  border: 1.5px solid rgba(240, 246, 239, .35);
  padding: 13px 0;
  border-radius: 10px;
  transition: background .15s;
}

.plan-btn:hover { background: rgba(240, 246, 239, .07); }

.plan.featured {
  background: var(--paper);
  color: var(--forest);
  border: none;
  box-shadow: 0 24px 60px -18px rgba(0, 0, 0, .55);
}

.plan.featured .plan-flag { background: var(--forest); color: var(--mint-text); }
.plan.featured .plan-name { color: var(--forest); }
.plan.featured .plan-price .amount { color: var(--forest); }
.plan.featured .plan-price .per { color: rgba(18, 41, 31, .55); }
.plan.featured .plan-note { color: rgba(18, 41, 31, .55); }

.plan.featured .plan-btn {
  font-weight: 800;
  background: var(--coral);
  color: var(--coral-text);
  border: none;
}

.plan.featured .plan-btn:hover { filter: brightness(1.08); background: var(--coral); }

.fine-print {
  font: 400 12.5px var(--font);
  color: rgba(240, 246, 239, .4);
  margin-top: 6px;
}

/* ─── CTA band ─── */
.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  background: var(--coral);
  color: var(--coral-text);
  padding: 48px 56px;
}

.cta-band h2 {
  font-size: clamp(28px, 3.5vw, 42px);
  line-height: 1.02;
  letter-spacing: -1px;
  color: var(--coral-text);
}

.cta-band .store-buttons { margin: 0; flex: none; gap: 12px; }

.cta-band .btn-store {
  background: var(--forest);
  color: var(--mint-text);
  padding: 11px 24px;
  border-radius: 12px;
}

.cta-band .btn-store .pre { opacity: .75; }
.cta-band .btn-store .name { font-weight: 700; font-size: 17px; }

/* ─── footer ─── */
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--forest-deepest);
  color: rgba(240, 246, 239, .55);
  padding: 24px 56px;
  font: 500 13px var(--font);
}

.footer .logo { font-size: 18px; }

.footer-links { display: flex; gap: 24px; }

.footer-links a {
  color: rgba(240, 246, 239, .55);
  transition: color .15s;
}

.footer-links a:hover { color: var(--mint-text); }

/* ─── responsive ─── */
@media (max-width: 1024px) {
  .fasting { grid-template-columns: 1fr 320px; gap: 36px; }
  .plans { grid-template-columns: repeat(3, minmax(0, 320px)); width: 100%; }
  .feature-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
}

@media (max-width: 860px) {
  .nav, .hero, .tabs, .intro, .band-overlay, .features, .fasting, .pro, .cta-band, .footer {
    padding-left: 24px;
    padding-right: 24px;
  }

  .nav-links a:not(.btn-pill) { display: none; }

  .hero h1 { letter-spacing: -1px; }
  .tabs { gap: 32px; }

  .fasting { grid-template-columns: 1fr; }
  .fasting-phone { order: 1; }

  .pro > h2 { letter-spacing: -1px; }
  .plans { grid-template-columns: minmax(0, 360px); }

  .cta-band { flex-direction: column; text-align: center; }

  .footer { flex-direction: column; gap: 14px; }
}

@media (max-width: 480px) {
  .store-buttons { flex-direction: column; width: 100%; max-width: 300px; }
  .btn-store { align-items: center; }
  .band { height: 380px; }
}