/* =========================================================
   GoWolffia Skincare — Day 1 Foundation
   Palette: cold ivory, mineral green, deep viridian, sea-glass,
   pale sage, foggy grey-green, graphite, silver.
   ========================================================= */

:root {
  /* Neutrals */
  --bg:            #f4f5f0;   /* cold ivory */
  --bg-alt:        #eceee6;   /* foggy pale */
  --bg-sage:       #dfe5db;   /* foggy sage */
  --ink:           #0f1512;   /* graphite near-black */
  --ink-soft:      #4b5450;
  --ink-mute:      #7c847f;
  --line:          #d7dcd3;
  --line-soft:     #e5e8e0;

  /* Greens */
  --sea-glass:     #cadfd2;
  --sage:          #a8b5a3;
  --mineral:       #6b8a75;
  --viridian:      #1f5c47;
  --viridian-deep: #0e3628;
  --viridian-ink:  #08201a;

  /* Accents */
  --silver:        #b8bfbb;
  --gold-dim:      #8b8168;

  /* Typography */
  --f-display: "Fraunces", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-body:    "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;

  /* Rhythm */
  --gutter: clamp(20px, 4vw, 56px);
  --section-y: clamp(80px, 10vw, 160px);
  --radius: 4px;
  --radius-lg: 14px;

  --shadow-soft: 0 30px 80px -40px rgba(14, 54, 40, 0.28);
  --shadow-card: 0 24px 60px -30px rgba(14, 54, 40, 0.22);

  --ease: cubic-bezier(.2,.6,.2,1);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--f-body);
  color: var(--ink);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Skincare Form Styles */
.skincare-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 400px;
  margin: 0 auto;
}

.skincare-form .form-group {
  display: flex;
  flex-direction: column;
}

.skincare-form input[type="email"],
.skincare-form input[type="text"],
.skincare-form select {
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--f-body);
  font-size: 16px;
  background: var(--bg);
  color: var(--ink);
  transition: border-color 0.2s ease;
}

.skincare-form input[type="email"]:focus,
.skincare-form input[type="text"]:focus,
.skincare-form select:focus {
  outline: none;
  border-color: var(--mineral);
}

.skincare-form button[type="submit"] {
  padding: 14px 24px;
  border: none;
  border-radius: var(--radius);
  font-family: var(--f-body);
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.skincare-form button[type="submit"]:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.success-message {
  text-align: center;
  padding: 40px 20px;
  background: var(--bg);
  border-radius: var(--radius-lg);
}

.success-message h2 {
  color: var(--viridian);
  margin-bottom: 16px;
}

.success-message p {
  color: var(--ink-soft);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

::selection { background: var(--viridian); color: var(--bg); }

/* ---------- Layout primitives ---------- */
.container {
  width: 100%;
  max-width: 1360px;
  margin: 0 auto;
  padding-inline: var(--gutter);
}
.narrow { max-width: 880px; }

/* ---------- Typography ---------- */
.display {
  font-family: var(--f-display);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0 0 0.4em;
  color: var(--ink);
}
.display em {
  font-style: italic;
  font-weight: 400;
  color: var(--viridian);
  font-variation-settings: "opsz" 96;
}
.display--xl { font-size: clamp(44px, 4.8vw, 90px); }
.display--l  { font-size: clamp(28px, 3.8vw, 68px); }
.display.light, .light .display, .light { color: var(--bg); }
.light em { color: var(--sea-glass); }

.eyebrow {
  font-family: var(--f-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mineral);
  margin: 0 0 20px;
}
.eyebrow--light { color: var(--sea-glass); }

.lead, .body--l { font-size: clamp(17px, 1.4vw, 20px); line-height: 1.55; color: var(--ink-soft); }
.body { font-size: 16px; line-height: 1.65; color: var(--ink-soft); margin: 0 0 1em; }
.body--dim { color: var(--ink-mute); }
.body--italic { font-style: italic; color: var(--mineral); }
.body.light, .light .body { color: rgba(244,245,240,0.8); }

.fineprint {
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-top: 20px;
}
.fineprint.light { color: rgba(244,245,240,0.7); }

.section-head { margin-bottom: clamp(40px, 5vw, 80px); }
.section-head.center { text-align: center; }
.section-head.center .display { max-width: 18ch; margin-inline: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 22px;
  font-family: var(--f-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: var(--radius);
  border: 1px solid transparent;
  transition: transform .3s var(--ease), background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
  will-change: transform;
}
.btn--dark {
  background: var(--ink);
  color: var(--bg);
}
.btn--dark:hover { background: var(--viridian-deep); }
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn--ghost:hover { background: var(--ink); color: var(--bg); }
.btn--light {
  background: var(--bg);
  color: var(--viridian-deep);
}
.btn--light:hover { background: var(--sea-glass); }
.btn--ghost-light {
  background: transparent;
  color: var(--bg);
  border-color: rgba(244,245,240,0.5);
}
.btn--ghost-light:hover { background: rgba(244,245,240,0.1); border-color: var(--bg); }

/* ---------- Navigation ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(140%) blur(16px);
  -webkit-backdrop-filter: saturate(140%) blur(16px);
  background: rgba(244,245,240,0.72);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--ease), background .3s var(--ease);
}
.nav.is-scrolled {
  border-bottom-color: var(--line-soft);
  background: rgba(244,245,240,0.88);
}
.nav__inner {
  max-width: 1360px;
  margin: 0 auto;
  padding: 18px var(--gutter);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
}
.nav__brand {
  font-family: var(--f-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.nav__brand-italic { font-style: italic; color: var(--viridian); font-weight: 400; }

.nav__links {
  display: flex;
  gap: 34px;
  justify-content: center;
  font-size: 14px;
  color: var(--ink-soft);
}
.nav__links a { position: relative; padding: 6px 0; transition: color .25s var(--ease); }
.nav__links a::after {
  content: "";
  position: absolute; left: 0; bottom: 0;
  height: 1px; width: 0;
  background: var(--viridian);
  transition: width .3s var(--ease);
}
.nav__links a:hover { color: var(--ink); }
.nav__links a:hover::after { width: 100%; }
.nav__cta { padding: 12px 18px; }

.nav__toggle { display: none; background: none; border: 0; width: 40px; height: 40px; position: relative; }
.nav__toggle span { position: absolute; left: 8px; right: 8px; height: 1.5px; background: var(--ink); transition: transform .3s var(--ease); }
.nav__toggle span:nth-child(1) { top: 15px; }
.nav__toggle span:nth-child(2) { top: 23px; }

@media (max-width: 860px) {
  .nav__links { display: none; }
  .nav__cta   { display: none; }
  .nav__toggle { display: inline-block; }
  .nav.is-open .nav__links {
    display: flex; flex-direction: column; gap: 20px;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--bg); padding: 24px var(--gutter);
    border-bottom: 1px solid var(--line-soft);
  }
  .nav.is-open .nav__cta { display: inline-flex; margin: 8px var(--gutter) 24px; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: clamp(60px, 8vw, 120px) 0 clamp(60px, 8vw, 120px);
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: -20% -20% auto -20%; height: 80%;
  background: radial-gradient(ellipse at 70% 30%, rgba(168,181,163,0.35), transparent 60%),
              radial-gradient(ellipse at 20% 80%, rgba(202,223,210,0.4), transparent 55%);
  pointer-events: none;
  filter: blur(20px);
}
.hero__grid {
  position: relative;
  max-width: 1360px;
  margin: 0 auto;
  padding-inline: var(--gutter);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(30px, 5vw, 70px);
  align-items: center;
}
.hero__text { position: relative; z-index: 2; }
.hero__text .display { max-width: 20ch; }
.hero__text .lead { max-width: 50ch; margin: 0 0 20px; }
.hero__ctas { display: flex; flex-wrap: wrap; gap: 8px; }

.hero__visual {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}
.hero__visual img {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.02);
}
.hero__glow {
  position: absolute; inset: -10%;
  background: radial-gradient(circle at 50% 40%, rgba(202,223,210,0.22), transparent 60%);
  pointer-events: none; z-index: 1;
  mix-blend-mode: soft-light;
}

@media (max-width: 860px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__visual { aspect-ratio: 5 / 4; }
}

/* ---------- Proof strip ---------- */
.proofstrip {
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  padding: 26px 0;
  background: var(--bg-alt);
}
.proofstrip__list {
  list-style: none; margin: 0; padding: 0 var(--gutter);
  max-width: 1360px; margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  font-size: 14px;
  color: var(--ink-soft);
}
.proofstrip__list li { display: flex; gap: 14px; align-items: baseline; }
.proofstrip__label {
  font-family: var(--f-display);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--viridian);
}
@media (max-width: 780px) {
  .proofstrip__list { grid-template-columns: 1fr; gap: 14px; }
}

/* ---------- Modern-life section ---------- */
.modern { padding: var(--section-y) 0; background: linear-gradient(180deg, var(--bg) 0%, var(--bg-sage) 100%); }
.modern .container { text-align: left; }
.modern__collage {
  max-width: 1360px;
  margin: clamp(40px, 5vw, 80px) auto 0;
  padding-inline: var(--gutter);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.modern__tile {
  margin: 0;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3 / 4;
  background: var(--sea-glass);
}
.modern__tile--tall { aspect-ratio: 3 / 5; }
.modern__tile figcaption {
  position: absolute; left: 14px; bottom: 12px;
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--bg);
  mix-blend-mode: difference;
}
@media (max-width: 780px) {
  .modern__collage { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Modern-life cinematic figure ---------- */
.modern__cinema {
  position: relative;
  margin: clamp(40px, 5vw, 72px) auto 0;
  max-width: 1360px;
  padding-inline: var(--gutter);
}
.modern__cinema img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  aspect-ratio: 5 / 3;
  object-fit: cover;
  object-position: center 40%;
  box-shadow: var(--shadow-card);
  filter: saturate(0.88) brightness(0.98);
}
.modern__cinema-caption {
  position: absolute;
  left: calc(var(--gutter) + 24px);
  right: calc(var(--gutter) + 24px);
  bottom: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(244,245,240,0.92);
  text-shadow: 0 1px 20px rgba(8,32,26,0.6);
}
.modern__cinema-caption span {
  padding: 6px 12px;
  border: 1px solid rgba(244,245,240,0.35);
  border-radius: 999px;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  background: rgba(8,32,26,0.18);
}
@media (max-width: 640px) {
  .modern__cinema img { aspect-ratio: 4 / 5; object-position: center 45%; }
  .modern__cinema-caption { font-size: 10px; letter-spacing: 0.14em; bottom: 14px; left: calc(var(--gutter) + 12px); right: calc(var(--gutter) + 12px); }
}

/* legacy placeholders removed — Day 2 renders shipped */

/* ---------- Ritual cards ---------- */
.ritual { padding: var(--section-y) 0; }
.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.card {
  background: var(--bg-alt);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line-soft);
  transition: transform .5s var(--ease), box-shadow .5s var(--ease);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
.card__visual { aspect-ratio: 5 / 4; position: relative; overflow: hidden; background: var(--bg-sage); }
.card__visual img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease); }
.card:hover .card__visual img { transform: scale(1.03); }
.card__body { padding: clamp(24px, 3vw, 40px); }
.card__eyebrow {
  font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--mineral); margin: 0 0 12px;
}
.card__title {
  font-family: var(--f-display); font-weight: 500;
  font-size: clamp(24px, 2.4vw, 32px); line-height: 1.15;
  margin: 0 0 16px; letter-spacing: -0.02em;
}
.card__text { color: var(--ink-soft); margin: 0 0 20px; }
.tags {
  list-style: none; padding: 0; margin: 0 0 24px;
  display: flex; flex-wrap: wrap; gap: 8px;
}
.tags li {
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 6px 10px; border: 1px solid var(--line);
  border-radius: 999px; color: var(--ink-soft);
}
.card--serum { background: linear-gradient(160deg, #eef3ec 0%, #dfe8de 100%); }

@media (max-width: 780px) { .cards { grid-template-columns: 1fr; } }

/* ---------- Split (story) ---------- */
.story, .meiview { padding: var(--section-y) 0; }
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(30px, 5vw, 80px);
  align-items: center;
}
.split--reverse .split__media { order: 2; }
.split__media {
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  background: var(--bg-sage);
}
.split__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
@media (max-width: 780px) {
  .split { grid-template-columns: 1fr; }
  .split--reverse .split__media { order: 0; }
}

/* ---------- Viridian dark section ---------- */
.viridian {
  padding: var(--section-y) 0;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(31,92,71,0.6), transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(11,42,32,0.9), transparent 60%),
    linear-gradient(180deg, var(--viridian-deep) 0%, var(--viridian-ink) 100%);
  color: var(--bg);
}
.viridian .display { max-width: 20ch; }
.viridian__blocks {
  margin-top: clamp(40px, 5vw, 80px);
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px;
  border-top: 1px solid rgba(244,245,240,0.15);
  padding-top: clamp(30px, 4vw, 60px);
}
.vblock__label {
  font-family: var(--f-display);
  font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--sea-glass); margin: 0 0 12px;
}
.vblock__text { color: rgba(244,245,240,0.82); margin: 0; max-width: 30ch; }
@media (max-width: 780px) { .viridian__blocks { grid-template-columns: 1fr; gap: 24px; } }

/* ---------- Wolffia story ---------- */
.wolffia { padding: var(--section-y) 0; background: var(--bg-alt); text-align: left; }
.pillars {
  list-style: none; padding: 0; margin: 32px 0;
  display: flex; flex-wrap: wrap; gap: 8px;
}
.pillars li {
  font-family: var(--f-display); font-style: italic;
  font-size: clamp(16px, 1.4vw, 20px);
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--viridian);
  background: var(--bg);
}

/* ---------- Clinical proof ---------- */
.proof { padding: var(--section-y) 0; background: var(--bg); }
.proof__modules {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  margin-bottom: clamp(60px, 7vw, 100px);
}
.pmod {
  padding: clamp(28px, 3vw, 44px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-alt);
}
.pmod__label {
  font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--viridian); margin: 0 0 16px;
}
.pmod__title {
  font-family: var(--f-display); font-weight: 500;
  font-size: clamp(22px, 2vw, 28px); line-height: 1.15;
  margin: 0 0 14px; letter-spacing: -0.02em;
}
.pmod__text { margin: 0; color: var(--ink-soft); }
@media (max-width: 780px) { .proof__modules { grid-template-columns: 1fr; } }

.proof__philosophy { text-align: left; }
.proof__intro {
  font-family: var(--f-display);
  font-size: clamp(22px, 2.2vw, 30px);
  font-weight: 500;
  letter-spacing: -0.02em;
  max-width: 28ch;
  margin: 0 0 12px;
}
.proof__sub { color: var(--ink-soft); max-width: 60ch; margin: 0 0 40px; }

.pillars-list {
  border-top: 1px solid var(--line);
  margin-bottom: 40px;
}
.pillar {
  border-bottom: 1px solid var(--line);
}
.pillar > summary {
  list-style: none;
  cursor: pointer;
  padding: 24px 0;
  display: grid;
  grid-template-columns: 50px 1fr auto;
  gap: 20px;
  align-items: baseline;
  transition: background .3s var(--ease);
  position: relative;
}
.pillar > summary::-webkit-details-marker { display: none; }
.pillar > summary::after {
  content: "+";
  position: absolute; right: 4px; top: 50%; transform: translateY(-50%);
  font-family: var(--f-display); font-size: 20px; color: var(--viridian);
  transition: transform .3s var(--ease);
}
.pillar[open] > summary::after { content: "–"; }
.pillar__idx {
  font-family: var(--f-display);
  font-size: 12px; letter-spacing: 0.2em; color: var(--mineral);
}
.pillar__name {
  font-family: var(--f-display);
  font-size: clamp(20px, 1.8vw, 26px);
  font-weight: 500;
  letter-spacing: -0.02em;
}
.pillar__hint {
  font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-mute); padding-right: 28px;
}
.pillar__body {
  padding: 0 0 32px 70px;
  max-width: 78ch;
  color: var(--ink-soft);
}
.pillar__body p { margin: 0 0 14px; }
.pillar__body strong { color: var(--ink); font-weight: 500; }
.pillar__subhead { margin-top: 18px !important; }
.pillar__assets { padding-left: 20px; margin: 0; }
.pillar__assets li { margin-bottom: 10px; }
.pillar--wolffia > summary { background: linear-gradient(90deg, rgba(202,223,210,0.4), transparent 80%); }

@media (max-width: 780px) {
  .pillar > summary { grid-template-columns: 40px 1fr; }
  .pillar__hint { grid-column: 2; padding-right: 30px; }
  .pillar__body { padding-left: 0; }
}

/* ---------- How to use / routine ---------- */
.howto { padding: var(--section-y) 0; background: var(--bg-alt); }
.routine__tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px; }
.routine__tabs button {
  padding: 12px 20px;
  border: 1px solid var(--line);
  background: var(--bg);
  border-radius: 999px;
  font-size: 13px;
  color: var(--ink-soft);
  transition: all .3s var(--ease);
}
.routine__tabs button[aria-selected="true"] {
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
}
.routine__panels { position: relative; }
.routine__panel { display: none; padding: clamp(24px, 3vw, 40px); background: var(--bg); border-radius: var(--radius-lg); border: 1px solid var(--line-soft); }
.routine__panel.is-active { display: block; }
.routine__title {
  font-family: var(--f-display);
  font-size: clamp(20px, 1.8vw, 26px); font-weight: 500;
  margin: 0 0 12px; letter-spacing: -0.02em;
}
.routine__text { color: var(--ink-soft); margin: 0; }
.routine__foot { margin-top: 20px; font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-mute); }

/* ---------- Green ritual callout ---------- */
.greennote { padding: 0 0 var(--section-y); }
.callout {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 30px;
  padding: clamp(30px, 4vw, 60px);
  background: linear-gradient(135deg, rgba(202,223,210,0.55), rgba(168,181,163,0.35));
  border: 1px solid rgba(107,138,117,0.3);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.callout__swatch {
  width: 60px; height: 60px; border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #a0c2a3, #1f5c47 80%);
  box-shadow: inset 0 -6px 14px rgba(0,0,0,0.15), 0 8px 24px rgba(31,92,71,0.3);
}
.callout__title {
  font-family: var(--f-display);
  font-weight: 500;
  font-size: clamp(22px, 2.2vw, 32px);
  letter-spacing: -0.02em;
  margin: 8px 0 16px;
  color: var(--viridian-deep);
}
.callout__foot {
  margin-top: 14px;
  font-family: var(--f-display); font-style: italic;
  color: var(--viridian);
}
@media (max-width: 620px) { .callout { grid-template-columns: 1fr; } }

/* ---------- Standards / values ---------- */
.standards { padding: var(--section-y) 0; }
.values {
  list-style: none; padding: 0; margin: 0 0 40px;
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
}
.values li {
  padding: 24px 28px;
  border-top: 1px solid var(--line);
  font-family: var(--f-display);
  font-size: clamp(18px, 1.6vw, 24px);
  font-weight: 400;
  letter-spacing: -0.02em;
  display: flex; gap: 20px; align-items: baseline;
}
.values__num {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--viridian);
  font-family: var(--f-body);
  font-weight: 500;
}
@media (max-width: 780px) { .values { grid-template-columns: 1fr; } }

/* ---------- Testimonials ---------- */
.testimonials { padding: var(--section-y) 0; background: var(--bg-alt); }
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.quote {
  margin: 0;
  padding: clamp(28px, 3vw, 40px);
  background: var(--bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-soft);
}
.quote blockquote {
  font-family: var(--f-display);
  font-size: clamp(18px, 1.5vw, 22px);
  font-weight: 400;
  font-style: italic;
  line-height: 1.4;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
  color: var(--ink);
}
.quote figcaption {
  font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--mineral);
}
@media (max-width: 780px) { .quotes { grid-template-columns: 1fr; } }

/* ---------- Final conversion ---------- */
.conversion {
  padding: var(--section-y) 0;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(107,138,117,0.55), transparent 55%),
    radial-gradient(ellipse at 80% 80%, rgba(31,92,71,0.7), transparent 60%),
    linear-gradient(180deg, var(--viridian) 0%, var(--viridian-deep) 100%);
  color: var(--bg);
  text-align: center;
}
.conversion__options {
  display: flex; justify-content: center; flex-wrap: wrap; gap: 12px;
  margin: 40px 0 32px;
}
.opt {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 22px;
  border: 1px solid rgba(244,245,240,0.35);
  border-radius: 999px;
  cursor: pointer;
  font-size: 14px;
  color: rgba(244,245,240,0.85);
  transition: all .3s var(--ease);
}
.opt:has(input:checked) { background: var(--bg); color: var(--viridian-deep); border-color: var(--bg); }
.opt input { accent-color: var(--viridian); }
.opt--featured { border-style: dashed; }
.conversion__ctas { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; }

/* ---------- Footer ---------- */
.footer { padding: 80px 0 40px; background: var(--bg-alt); border-top: 1px solid var(--line-soft); }
.footer__grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.4fr;
  gap: 48px;
  margin-bottom: 60px;
}
.footer__tag { color: var(--ink-soft); font-size: 14px; margin-top: 16px; max-width: 34ch; }
.footer__nav { display: flex; flex-direction: column; gap: 12px; font-size: 14px; color: var(--ink-soft); }
.footer__nav a:hover { color: var(--viridian); }
.footer__signup-title { font-family: var(--f-display); font-size: 22px; font-weight: 500; margin: 0 0 6px; letter-spacing: -0.02em; }
.footer__signup-body { color: var(--ink-soft); font-size: 14px; margin: 0 0 16px; }
.footer__signup-row { display: flex; gap: 8px; }
.footer__signup-row input {
  flex: 1; padding: 12px 16px; border: 1px solid var(--line);
  background: var(--bg); border-radius: var(--radius);
  font-family: var(--f-body); font-size: 14px; color: var(--ink);
}
.footer__signup-row input:focus { outline: 2px solid var(--viridian); outline-offset: -2px; }
.footer__legal { font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-mute); border-top: 1px solid var(--line-soft); padding-top: 24px; }

@media (max-width: 780px) {
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
}

/* ---------- Sticky bar (after hero) ---------- */
.stickybar {
  position: fixed;
  left: 50%; transform: translateX(-50%);
  bottom: 20px;
  z-index: 40;
  display: flex; align-items: center; gap: 20px;
  padding: 12px 12px 12px 22px;
  background: rgba(15,21,18,0.92);
  color: var(--bg);
  border-radius: var(--radius);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 20px 60px -20px rgba(0,0,0,0.5);
  font-size: 13px;
  opacity: 0; pointer-events: none;
  transition: opacity .4s var(--ease), transform .4s var(--ease);
}
.stickybar.is-visible { opacity: 1; pointer-events: auto; }
.stickybar .btn--dark { background: var(--bg); color: var(--ink); padding: 10px 16px; }
.stickybar .btn--dark:hover { background: var(--sea-glass); }
@media (max-width: 620px) {
  .stickybar span { display: none; }
  .stickybar { padding: 8px; }
}

/* ---------- Reveal on scroll ---------- */
[data-reveal] { opacity: 0; transform: translateY(20px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
[data-reveal].is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
}

/* ---------- Day 3 polish: iOS Safari + tap targets ---------- */
@supports (padding: max(0px)) {
  .nav__inner { padding-left: max(var(--gutter), env(safe-area-inset-left));
                padding-right: max(var(--gutter), env(safe-area-inset-right)); }
  .stickybar { bottom: max(20px, env(safe-area-inset-bottom)); }
  .footer { padding-bottom: max(40px, env(safe-area-inset-bottom)); }
}

/* Prevent 100vh jump on mobile Safari */
@supports (height: 100svh) {
  .hero { min-height: auto; }
}

/* Larger tap targets on touch devices */
@media (hover: none) and (pointer: coarse) {
  .nav__links a { padding: 12px 0; }
  .btn { min-height: 48px; }
  .opt { min-height: 44px; }
  .nav__links a::after { display: none; } /* underline hover is meaningless on touch */
}

/* Staggered reveal — makes the cascade feel choreographed, not synchronized */
[data-reveal]:nth-child(2) { transition-delay: .06s; }
[data-reveal]:nth-child(3) { transition-delay: .12s; }
[data-reveal]:nth-child(4) { transition-delay: .18s; }

/* Guard against overflow on narrow viewports (Safari iPhone SE etc.) */
.modern__cinema,
.hero__visual { max-width: 100%; }
img { height: auto; }

/* Sharper focus states for keyboard users (a11y) */
a:focus-visible,
button:focus-visible,
.btn:focus-visible,
input:focus-visible {
  outline: 2px solid var(--viridian);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Ensure sticky nav doesn't overlap anchor targets */
main [id] { scroll-margin-top: 90px; }

/* ---------- Routine steps ---------- */
.routine__steps {
  list-style: none; padding: 0; margin: 20px 0 0;
  display: flex; flex-direction: column; gap: 10px;
  border-top: 1px solid var(--line-soft); padding-top: 20px;
}
.routine__steps li {
  display: flex; align-items: center; gap: 14px;
  font-size: 15px; color: var(--ink);
}
.routine__chip {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 68px; padding: 4px 10px;
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--viridian-deep); background: rgba(31,92,71,0.08);
  border-radius: 999px; font-weight: 600;
}
.routine__panel[hidden] { display: none !important; }

/* ---------- Form success + picked emphasis ---------- */
.form__success {
  margin: 12px 0 0; font-size: 13px; color: var(--viridian-deep);
  letter-spacing: 0.02em;
}
.footer__signup.is-sent .footer__signup-row { opacity: 0.55; }
.opt.is-picked { transform: translateY(-1px); box-shadow: 0 6px 22px rgba(0,0,0,0.14); }

/* ---------- Checkout Page ---------- */
.checkout-page {
  padding: 60px 0;
  min-height: calc(100vh - 200px);
}

.checkout-container {
  max-width: 600px;
  margin: 0 auto;
  background: var(--bg-soft);
  padding: 40px;
  border-radius: 8px;
}

.checkout-header {
  text-align: center;
  margin-bottom: 30px;
}

.checkout-header h1 {
  font-size: 32px;
  color: var(--ink);
  margin-bottom: 10px;
}

.checkout-header p {
  color: var(--ink-light);
  font-size: 16px;
}

.checkout-product-info {
  background: white;
  padding: 20px;
  border-radius: 6px;
  margin-bottom: 30px;
  border: 1px solid var(--line-soft);
}

.checkout-product-info h3 {
  margin: 0 0 10px 0;
  color: var(--viridian-deep);
}

.checkout-product-info p {
  margin: 5px 0;
  color: var(--ink);
}

.checkout-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-weight: 600;
  color: var(--ink);
  font-size: 14px;
}

.form-group input {
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 16px;
  font-family: inherit;
}

.form-group input:focus {
  outline: none;
  border-color: var(--viridian);
  box-shadow: 0 0 0 3px rgba(31, 92, 71, 0.1);
}

.card-element {
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: white;
}

.card-errors {
  color: #fa755a;
  font-size: 14px;
  margin-top: 8px;
}

.checkout-summary {
  background: rgba(31, 92, 71, 0.08);
  padding: 20px;
  border-radius: 6px;
  margin-bottom: 20px;
}

.checkout-summary p {
  margin: 8px 0;
  color: var(--ink);
}

.deposit-amount {
  font-size: 24px;
  font-weight: 700;
  color: var(--viridian-deep);
}

.deposit-note {
  font-size: 14px;
  color: var(--ink-light);
  font-style: italic;
}

.checkout-note {
  font-size: 13px;
  color: var(--ink-light);
  text-align: center;
  line-height: 1.5;
  margin-top: 20px;
}

.success-message {
  text-align: center;
  padding: 40px 20px;
}

.success-message h2 {
  color: var(--viridian-deep);
  margin-bottom: 20px;
}

.success-message p {
  color: var(--ink);
  margin: 10px 0;
  line-height: 1.6;
}

/* ---------- Waitlist Modal ---------- */
.waitlist-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.waitlist-modal[hidden] {
  display: none;
}

.waitlist-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 21, 18, 0.8);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.waitlist-modal__content {
  position: relative;
  background: var(--bg);
  border-radius: var(--radius-lg);
  padding: clamp(32px, 5vw, 48px);
  max-width: 480px;
  width: 100%;
  box-shadow: var(--shadow-soft);
  z-index: 1;
}

.waitlist-modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border: none;
  background: var(--bg-alt);
  border-radius: 50%;
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-soft);
  transition: all 0.2s ease;
}

.waitlist-modal__close:hover {
  background: var(--line);
  color: var(--ink);
}

.waitlist-modal__title {
  font-family: var(--f-display);
  font-size: clamp(28px, 3vw, 36px);
  font-weight: 500;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  color: var(--ink);
}

.waitlist-modal__subtitle {
  color: var(--ink-soft);
  margin: 0 0 24px;
  font-size: 15px;
}

.form-group label.waitlist-modal__subtitle {
  font-weight: 400;
  color: var(--ink-soft);
  font-size: 15px;
  margin-bottom: 8px;
  display: block;
}

.waitlist-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.waitlist-form .form-group {
  display: flex;
  flex-direction: column;
}

.waitlist-form input[type="email"],
.waitlist-form input[type="text"],
.waitlist-form select {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--f-body);
  font-size: 16px;
  background: var(--bg);
  color: var(--ink);
  transition: border-color 0.2s ease;
}

.waitlist-form input[type="email"]:focus,
.waitlist-form input[type="text"]:focus,
.waitlist-form select:focus {
  outline: none;
  border-color: var(--mineral);
}

.waitlist-form button[type="submit"] {
  padding: 16px 24px;
  border: none;
  border-radius: var(--radius);
  font-family: var(--f-body);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.waitlist-form button[type="submit"]:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

@media (max-width: 640px) {
  .waitlist-modal__content {
    padding: 24px;
  }
  
  .waitlist-modal__title {
    font-size: 24px;
  }
}