/* ═══════════════════════════════════════════════════════
   SKINREVU.APP — Stylesheet
   Aesthetics matched to skinrevu.co live site
   Fonts: Kaisei Decol (display) · Merriweather (headings) · Source Sans 3 (body)
═══════════════════════════════════════════════════════ */

/* ── TOKENS — exact match to skinrevu.co ─────────────── */
:root {
  --page:    #EDE5D8;
  --cream:   #F5EFE8;
  --white:   #FFFFFF;
  --ink:     #1C1714;
  --mid:     #6B5E52;
  --light:   #DDD3C8;
  --lighter: #EDE4D8;
  --red:     #D94F2E;
  --teal:    #4A8FA8;
  --teal-lt: #E0EFF5;
  --gold:    #C8963E;
  --green:   #2E7A4A;
  --shadow:  rgba(28,23,20,0.08);
  --radius:  10px;
  --max-w:   1180px;
}

/* ── RESET ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Source Sans 3', 'Segoe UI', sans-serif;
  background-color: var(--page);
  /* Same subtle dot texture as skinrevu.co */
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='4' height='4'%3E%3Crect width='1' height='1' fill='%23C4B8AA' opacity='0.12'/%3E%3C/svg%3E");
  color: var(--ink);
  line-height: 1.6;
  font-size: 15px;
  min-height: 100vh;
}

html { background-color: var(--page); }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; }


/* ═══════════════════════════════════════════════════
   HEADER — matched to skinrevu.co
═══════════════════════════════════════════════════ */
#site-header {
  background: var(--cream);
  border-bottom: 3px solid var(--red);
  box-shadow: 0 2px 14px var(--shadow);
  position: sticky;
  top: 0;
  z-index: 300;
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 80px;
  display: flex;
  align-items: center;
  gap: 0;
}

/* Logo — wordmark style matching brand */
.logo {
  flex-shrink: 0;
  display: inline-flex;
  align-items: baseline;
  margin-right: 24px;
  text-decoration: none;
}

.logo-wordmark {
  font-family: 'Kaisei Decol', 'Georgia', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
}

.logo-app {
  font-family: 'Kaisei Decol', 'Georgia', serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--red);
  letter-spacing: -0.02em;
}

/* Navigation */
#main-nav {
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: space-evenly;
}

.nav-link {
  font-size: 14px;
  font-weight: 700;
  color: var(--mid);
  padding: 8px 12px;
  border-radius: 7px;
  letter-spacing: 0.2px;
  transition: all .18s;
  white-space: nowrap;
}

.nav-link:hover { color: var(--ink); background: var(--lighter); }

.nav-cta {
  background: var(--red);
  color: var(--white) !important;
  border-radius: 22px;
  padding: 8px 18px;
}

.nav-cta:hover {
  background: #c04428 !important;
  color: var(--white) !important;
}

/* Social pill — matches skinrevu.co exactly */
.header-social {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  margin-left: 16px;
}

.social-pill {
  font-size: 12px;
  font-weight: 700;
  color: rgba(28,23,20,0.55);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 7px 14px;
  border-radius: 20px;
  border: 1.5px solid var(--light);
  transition: all .18s;
  white-space: nowrap;
}

.social-pill.patreon { color: var(--red); border-color: var(--red); }
.social-pill.patreon:hover { background: var(--red); color: var(--white); }

/* Mobile hamburger */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  padding: 6px;
  color: var(--ink);
  flex-shrink: 0;
}


/* ═══════════════════════════════════════════════════
   PAGE WRAP
═══════════════════════════════════════════════════ */
.page-wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* Section headers — exact to skinrevu.co section-header */
.section-header {
  margin-bottom: 40px;
}

.section-title {
  font-family: 'Merriweather', Georgia, serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

/* Red left bar accent — matches skinrevu.co .section-title::before */
.section-title::before {
  content: '';
  width: 4px;
  height: 22px;
  background: var(--red);
  border-radius: 2px;
  display: block;
  flex-shrink: 0;
}

.section-sub {
  font-size: 15px;
  font-weight: 400;
  color: var(--mid);
  line-height: 1.65;
  max-width: 560px;
}

/* Light header variants */
.section-header-light .section-title { color: var(--white); }
.section-header-light .section-title::before { background: var(--red); }
.section-title-light { color: var(--white) !important; }
.section-sub-light { color: rgba(245,239,232,0.7) !important; }

/* Section eyebrow label */
.eyebrow {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 10px;
}

.eyebrow-light { color: rgba(245,239,232,0.65); }


/* ═══════════════════════════════════════════════════
   HERO SECTION
═══════════════════════════════════════════════════ */
.hero-section {
  padding: 64px 0 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 60px;
  align-items: center;
}

/* Coming soon badge */
.coming-soon-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(217,79,46,0.08);
  border: 1px solid rgba(217,79,46,0.2);
  color: var(--red);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.badge-dot {
  width: 6px;
  height: 6px;
  background: var(--red);
  border-radius: 50%;
  animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-title {
  font-family: 'Merriweather', Georgia, serif;
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.hero-title em {
  font-style: italic;
  color: var(--red);
}

.hero-sub {
  font-size: 16px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--mid);
  max-width: 480px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

/* Buttons — matched to skinrevu.co */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--red);
  color: var(--white);
  padding: 12px 24px;
  border-radius: 22px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.2px;
  transition: background .18s, transform .18s;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: #c04428;
  transform: translateY(-1px);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  color: var(--ink);
  padding: 12px 24px;
  border-radius: 22px;
  font-size: 14px;
  font-weight: 700;
  border: 1.5px solid var(--light);
  transition: all .18s;
}

.btn-outline:hover {
  border-color: var(--ink);
  background: var(--lighter);
}

/* Trust line */
.hero-trust {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.trust-item {
  font-size: 13px;
  font-weight: 500;
  color: var(--mid);
}

.trust-sep { color: var(--light); }


/* ── PHONE MOCKUP ──────────────────────────────────── */
.hero-device {
  display: flex;
  justify-content: center;
  align-items: center;
}

.phone-wrap {
  position: relative;
  width: 260px;
  margin: 0 auto;
}

.phone-shell {
  width: 260px;
  height: 530px;
  background: var(--ink);
  border-radius: 44px;
  padding: 11px;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.06),
    0 40px 80px rgba(28,23,20,0.3),
    0 12px 24px rgba(28,23,20,0.18);
  position: relative;
}

.phone-notch {
  position: absolute;
  top: 22px;
  left: 50%;
  transform: translateX(-50%);
  width: 90px;
  height: 26px;
  background: var(--ink);
  border-radius: 100px;
  z-index: 10;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: var(--cream);
  border-radius: 34px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* App bar */
.app-bar {
  background: var(--ink);
  padding: 44px 14px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
}

.app-greeting {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--cream);
  font-family: 'Source Sans 3', sans-serif;
}

.app-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--red);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--white);
  flex-shrink: 0;
}

/* Scan row */
.app-scan-row {
  background: var(--ink);
  padding: 0 14px 14px;
  flex-shrink: 0;
}

.app-scan-btn {
  width: 100%;
  background: var(--red);
  color: var(--white);
  border: none;
  border-radius: 100px;
  padding: 7px 12px;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  pointer-events: none;
}

/* Section label */
.app-section-lbl {
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mid);
  padding: 10px 14px 6px;
}

/* Product cards */
.app-product {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 10px 6px;
  background: var(--white);
  border-radius: 9px;
  padding: 8px 9px;
  box-shadow: 0 1px 3px var(--shadow);
  border: 1px solid var(--lighter);
}

.app-product-icon {
  width: 32px;
  height: 32px;
  border-radius: 7px;
  background: var(--lighter);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.app-product-body { flex: 1; min-width: 0; }

.app-product-name {
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
}

.app-product-meta {
  font-size: 0.52rem;
  color: var(--mid);
}

.app-product-price {
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--red);
  flex-shrink: 0;
}

/* Actives strip */
.app-actives-strip {
  margin: 4px 10px 0;
  background: var(--teal-lt);
  border-radius: 9px;
  padding: 7px 9px;
  border: 1px solid rgba(74,143,168,0.2);
}

.app-actives-label {
  font-size: 0.55rem;
  font-weight: 700;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 5px;
}

.app-chips { display: flex; flex-wrap: wrap; gap: 3px; }

.app-chip {
  background: rgba(74,143,168,0.15);
  color: var(--teal);
  font-size: 0.5rem;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 100px;
}

/* Price bar */
.app-price-bar {
  margin: 6px 10px 10px;
  background: var(--white);
  border-radius: 9px;
  padding: 7px 9px;
  box-shadow: 0 1px 3px var(--shadow);
  border: 1px solid var(--lighter);
}

.app-price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2px;
}

.app-price-lbl { font-size: 0.55rem; color: var(--mid); }
.app-price-drop { font-size: 0.52rem; font-weight: 700; color: var(--green); }
.app-price-val { font-size: 0.58rem; font-weight: 700; color: var(--ink); margin-bottom: 3px; }

.app-sparkline {
  width: 100%;
  height: 22px;
  display: block;
}

/* Floating badges around phone */
.float-card {
  position: absolute;
  background: var(--white);
  border-radius: 10px;
  padding: 9px 12px;
  box-shadow: 0 6px 24px rgba(28,23,20,0.12);
  border: 1px solid var(--lighter);
  z-index: 10;
}

.float-right-top {
  top: 50px;
  right: -80px;
  animation: floatY 3s ease-in-out infinite;
}

.float-left-bottom {
  bottom: 90px;
  left: -80px;
  animation: floatY 3s ease-in-out infinite;
  animation-delay: 1s;
}

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.fc-label {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 2px;
}

.fc-value {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--ink);
}

.fc-sub {
  font-size: 0.6rem;
  color: var(--mid);
}


/* ═══════════════════════════════════════════════════
   SECTION BANDS
═══════════════════════════════════════════════════ */
.section-band {
  padding: 72px 0;
}

.section-features {
  background: var(--cream);
}

.section-mist {
  background: var(--cream);
  border-top: 1px solid var(--lighter);
}

/* Dark band — matches skinrevu.co dark sections */
.section-dark {
  background: #1A3A3A;
}

/* Teal band for CTA */
.section-teal {
  background: linear-gradient(135deg, #2d6478 0%, var(--teal) 100%);
}


/* ═══════════════════════════════════════════════════
   FEATURES GRID — matches skinrevu.co card style
═══════════════════════════════════════════════════ */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--lighter);
  padding: 28px 24px;
  box-shadow: 0 1px 6px var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: background .15s, transform .18s, box-shadow .18s;
}

.feature-card:hover {
  background: var(--cream);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--shadow);
}

.feature-icon {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.icon-coral { background: rgba(217,79,46,0.08); }
.icon-teal  { background: var(--teal-lt); }
.icon-gold  { background: rgba(200,150,62,0.1); }

.feature-name {
  font-family: 'Merriweather', Georgia, serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.3;
}

.feature-desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--mid);
}


/* ═══════════════════════════════════════════════════
   HOW IT WORKS — STEPS
═══════════════════════════════════════════════════ */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.step {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.step-number {
  font-family: 'Kaisei Decol', Georgia, serif;
  font-size: 3rem;
  font-weight: 700;
  color: rgba(245,239,232,0.12);
  line-height: 1;
}

.step-bar {
  height: 2px;
  width: 40px;
  background: var(--red);
  border-radius: 2px;
}

.step-title {
  font-family: 'Merriweather', Georgia, serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--cream);
}

.step-desc {
  font-size: 14px;
  line-height: 1.65;
  color: rgba(245,239,232,0.55);
}


/* ═══════════════════════════════════════════════════
   INGREDIENT SCIENCE
═══════════════════════════════════════════════════ */
.science-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.science-text { display: flex; flex-direction: column; gap: 0; }

.science-body {
  font-size: 15px;
  line-height: 1.75;
  color: var(--mid);
  margin-bottom: 16px;
}

.science-body em { font-style: italic; color: var(--ink); }

.btn-text-link {
  font-size: 14px;
  font-weight: 700;
  color: var(--teal);
  margin-top: 8px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color .18s;
}

.btn-text-link:hover { color: var(--red); }

/* Ingredient demo card — matches public product page style */
.science-demo {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--lighter);
  padding: 24px;
  box-shadow: 0 4px 20px var(--shadow);
}

.demo-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--lighter);
  margin-bottom: 18px;
  flex-wrap: wrap;
}

.demo-emoji {
  font-size: 1.8rem;
  width: 50px;
  height: 50px;
  border-radius: 10px;
  background: var(--lighter);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.demo-info { flex: 1; min-width: 0; }

.demo-name {
  font-family: 'Merriweather', Georgia, serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.3;
  margin-bottom: 3px;
}

.demo-brand {
  font-size: 11px;
  color: var(--mid);
}

.demo-badge {
  font-size: 11px;
  font-weight: 700;
  color: var(--green);
  background: #E8F5E9;
  border: 1px solid #A5D6B0;
  border-radius: 100px;
  padding: 3px 10px;
  white-space: nowrap;
  flex-shrink: 0;
}

.demo-actives-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 12px;
}

.demo-active-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 9px;
}

.dar-name {
  font-size: 12px;
  font-weight: 600;
  width: 130px;
  flex-shrink: 0;
  color: var(--ink);
}

.dar-track {
  flex: 1;
  height: 5px;
  background: var(--lighter);
  border-radius: 100px;
  overflow: hidden;
}

.dar-fill {
  height: 100%;
  border-radius: 100px;
  transition: width 1s ease;
}

.dar-pct {
  font-size: 11px;
  font-weight: 700;
  width: 28px;
  text-align: right;
  flex-shrink: 0;
}

.demo-compat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--lighter);
}

.compat-chip {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 100px;
}

.compat-green { background: #E8F5E9; color: var(--green); }
.compat-amber { background: rgba(217,79,46,0.08); color: var(--red); }


/* ═══════════════════════════════════════════════════
   PLATFORM GRID
═══════════════════════════════════════════════════ */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.platform-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--lighter);
  padding: 24px;
  box-shadow: 0 1px 6px var(--shadow);
  transition: background .15s, transform .18s;
}

.platform-card:hover {
  background: var(--cream);
  transform: translateY(-2px);
}

.pc-tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.pc-tag-coral { color: var(--red); }
.pc-tag-teal  { color: var(--teal); }
.pc-tag-gold  { color: var(--gold); }

.pc-title {
  font-family: 'Merriweather', Georgia, serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.pc-desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--mid);
}


/* ═══════════════════════════════════════════════════
   EARLY ACCESS / NOTIFY
═══════════════════════════════════════════════════ */
.notify-inner {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}

.notify-title {
  font-family: 'Merriweather', Georgia, serif;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}

.notify-title::before { display: none; } /* override section-title bar */

.notify-sub {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(245,239,232,0.7);
  margin-bottom: 32px;
}

.notify-form {
  display: flex;
  gap: 10px;
  max-width: 440px;
  margin: 0 auto 16px;
}

.notify-input {
  flex: 1;
  padding: 12px 18px;
  border-radius: 100px;
  border: 1.5px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.1);
  color: var(--white);
  font-family: 'Source Sans 3', sans-serif;
  font-size: 14px;
  outline: none;
  transition: border-color .2s;
  backdrop-filter: blur(4px);
}

.notify-input::placeholder { color: rgba(245,239,232,0.45); }
.notify-input:focus { border-color: rgba(255,255,255,0.6); }

.btn-notify {
  background: var(--red);
  color: var(--white);
  border: none;
  border-radius: 100px;
  padding: 12px 24px;
  font-family: 'Source Sans 3', sans-serif;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: background .18s, transform .18s;
}

.btn-notify:hover {
  background: #c04428;
  transform: translateY(-1px);
}

.notify-success {
  background: rgba(46,122,74,0.15);
  border: 1px solid rgba(46,122,74,0.35);
  color: #a8e6bf;
  padding: 10px 20px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 600;
  max-width: 440px;
  margin: 0 auto 16px;
}

.notify-note {
  font-size: 12px;
  color: rgba(245,239,232,0.4);
  margin-bottom: 20px;
}

.notify-links {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

.notify-links a {
  font-size: 13px;
  font-weight: 600;
  color: rgba(245,239,232,0.65);
  transition: color .18s;
}

.notify-links a:hover { color: var(--white); }
.notify-links span { color: rgba(245,239,232,0.3); }


/* ═══════════════════════════════════════════════════
   FOOTER — matched to skinrevu.co
═══════════════════════════════════════════════════ */
#site-footer {
  background: var(--ink);
  padding: 0;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 48px 24px 32px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 28px;
}

.footer-wordmark {
  font-family: 'Kaisei Decol', Georgia, serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--white);
}

.footer-app {
  font-family: 'Kaisei Decol', Georgia, serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--red);
}

.footer-tagline {
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  margin-top: 6px;
}

.footer-cols {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col-title {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-bottom: 4px;
}

.footer-col a {
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  transition: color .18s;
}

.footer-col a:hover { color: var(--white); }

.footer-bottom {
  text-align: center;
}

.footer-copy {
  font-size: 12px;
  color: rgba(255,255,255,0.2);
}


/* ═══════════════════════════════════════════════════
   FADE-IN ON SCROLL
═══════════════════════════════════════════════════ */
.fade-in {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-delay-1 { transition-delay: 0.1s; }
.fade-delay-2 { transition-delay: 0.2s; }
.fade-delay-3 { transition-delay: 0.3s; }


/* ═══════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════ */
@media (max-width: 900px) {
  .header-inner { height: 64px; }
  .logo-wordmark, .logo-app { font-size: 1.25rem; }
  #main-nav { display: none; }
  #main-nav.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: var(--cream);
    border-bottom: 3px solid var(--red);
    padding: 16px 24px 24px;
    gap: 4px;
    z-index: 299;
    box-shadow: 0 8px 20px var(--shadow);
  }
  .nav-link { font-size: 15px; padding: 10px 12px; }
  .nav-cta { margin-top: 8px; text-align: center; justify-content: center; }
  .header-social { display: none; }
  .menu-toggle { display: flex; }

  .hero-section { padding: 40px 0 52px; }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-device { order: -1; }
  .phone-wrap { width: 210px; }
  .phone-shell { width: 210px; height: 428px; }
  .float-card { display: none; }

  .features-grid { grid-template-columns: 1fr 1fr; }
  .steps-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .science-grid { grid-template-columns: 1fr; gap: 36px; }
  .platform-grid { grid-template-columns: 1fr; }

  .notify-form { flex-direction: column; }
  .btn-notify { border-radius: 100px; }

  .footer-top { flex-direction: column; gap: 28px; }
  .footer-cols { gap: 28px; }
}

@media (max-width: 580px) {
  .features-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 1.7rem; }
}