:root {
  --bg: #f7f3ef;
  --bg-alt: #efe8e1;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: rgba(255, 255, 255, 0.94);
  --ink: #1e1a18;
  --muted: #6f665f;
  --line: rgba(30, 26, 24, 0.12);
  --accent: #857b74;
  --accent-deep: #57504a;
  --accent-soft: #d9d0c8;
  --shadow: 0 24px 60px rgba(33, 29, 26, 0.12);
  --radius-xl: 36px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: min(1180px, calc(100vw - 40px));
  --title: "Cormorant Garamond", "Times New Roman", serif;
  --body: "Manrope", "Avenir Next", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--body);
  line-height: 1.6;
  background:
    radial-gradient(circle at top left, rgba(217, 208, 200, 0.75), transparent 34%),
    radial-gradient(circle at bottom right, rgba(133, 123, 116, 0.16), transparent 30%),
    linear-gradient(180deg, #fbf9f6 0%, #f6f1eb 45%, #f0e8df 100%);
}

body.page-about-h5 {
  background:
    radial-gradient(circle at top, rgba(217, 208, 200, 0.8), transparent 34%),
    linear-gradient(180deg, #fbf8f4 0%, #f2ebe3 100%);
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

.page-shell {
  min-height: 100vh;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: rgba(248, 243, 237, 0.74);
  border-bottom: 1px solid rgba(30, 26, 24, 0.06);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.nav-brand img {
  width: 50px;
  height: 50px;
  border-radius: 10px;
  border: 1px solid rgba(30, 26, 24, 0.08);
  object-fit: cover;
  background: #fff;
}

.brand-mark {
  min-width: 0;
}

.brand-kicker {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 2px;
}

.brand-name {
  display: block;
  font-family: var(--title);
  font-size: 1.7rem;
  line-height: 0.95;
  letter-spacing: 0.04em;
}

.nav-toggle {
  display: none;
  border: 0;
  border-radius: 999px;
  background: rgba(30, 26, 24, 0.08);
  color: var(--ink);
  padding: 10px 14px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.nav-menu a {
  position: relative;
  font-size: 0.95rem;
  color: var(--muted);
}

.nav-menu a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.nav-menu a:hover::after,
.nav-menu a:focus-visible::after,
.nav-menu a[aria-current="page"]::after {
  transform: scaleX(1);
}

.button-link,
.button-solid,
.button-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button-solid {
  background: linear-gradient(135deg, var(--accent-deep), var(--accent));
  color: #fff;
  box-shadow: 0 18px 32px rgba(87, 80, 74, 0.24);
}

.button-solid:hover,
.button-ghost:hover,
.button-link:hover,
.button-solid:focus-visible,
.button-ghost:focus-visible,
.button-link:focus-visible {
  transform: translateY(-1px);
}

.button-ghost {
  background: rgba(255, 255, 255, 0.58);
  color: var(--ink);
  border: 1px solid rgba(30, 26, 24, 0.08);
}

.button-link {
  color: var(--ink);
  border: 1px solid rgba(30, 26, 24, 0.12);
  background: transparent;
}

.section {
  padding: 84px 0;
}

.section-tight {
  padding: 56px 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 15px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.66);
  border: 1px solid rgba(30, 26, 24, 0.08);
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.display-title,
.page-title,
.section-title,
.mega-stat {
  font-family: var(--title);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 0.96;
}

.display-title {
  margin: 20px 0 18px;
  font-size: clamp(3rem, 7vw, 6rem);
  max-width: 10ch;
}

.page-title {
  font-size: clamp(2.7rem, 5vw, 4.4rem);
  margin: 18px 0;
}

.section-title {
  font-size: clamp(2.2rem, 4vw, 3.4rem);
  margin: 0 0 18px;
}

.lede,
.page-lede,
.section-copy,
.muted-copy {
  color: var(--muted);
  max-width: 64ch;
}

.hero-grid,
.split-grid,
.download-grid,
.contact-grid {
  display: grid;
  gap: 28px;
  align-items: stretch;
}

.hero-grid {
  grid-template-columns: 1.15fr 0.85fr;
  padding: 56px 0 24px;
}

.hero-copy,
.hero-visual,
.glass-card,
.editorial-panel,
.legal-panel,
.contact-panel,
.form-panel {
  border: 1px solid rgba(30, 26, 24, 0.08);
  background: var(--surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 42px;
  position: relative;
  overflow: hidden;
}

.hero-copy::before {
  content: "";
  position: absolute;
  inset: auto 0 0 auto;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(217, 208, 200, 0.6), transparent 66%);
  pointer-events: none;
}

.hero-actions,
.cta-actions,
.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.tag-row span,
.pill {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(133, 123, 116, 0.12);
  color: var(--accent-deep);
  font-size: 0.88rem;
}

.hero-visual {
  overflow: hidden;
  display: grid;
  grid-template-rows: minmax(320px, 1fr) auto;
}

.hero-photo {
  min-height: 100%;
}

.hero-photo img,
.story-photo img,
.download-photo img,
.about-h5-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-aside {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.84);
}

.stat-card,
.mini-card,
.metric-card,
.support-card,
.download-card,
.principle-card,
.faq-card,
.scenario-card,
.legal-card {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(30, 26, 24, 0.08);
  background: rgba(255, 255, 255, 0.88);
  padding: 22px;
}

.stat-card strong,
.mini-card strong,
.metric-card strong,
.download-card strong,
.legal-card strong {
  display: block;
  font-size: 1.35rem;
  margin-bottom: 8px;
  color: var(--ink);
}

.mini-card p,
.stat-card p,
.metric-card p,
.scenario-card p,
.support-card p,
.legal-card p,
.principle-card p {
  margin: 0;
  color: var(--muted);
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 34px;
}

.feature-rhythm {
  display: grid;
  gap: 20px;
}

.feature-block {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  padding: 28px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(30, 26, 24, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.92));
}

.feature-index {
  display: flex;
  align-items: end;
  justify-content: space-between;
  flex-direction: column;
  gap: 16px;
}

.feature-index span {
  font-family: var(--title);
  font-size: 4rem;
  line-height: 0.9;
  color: rgba(133, 123, 116, 0.56);
}

.feature-index small {
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.feature-copy h3,
.story-copy h2,
.principle-card h3,
.support-card h3,
.download-card h3,
.legal-card h3,
.faq-card summary {
  margin: 0 0 10px;
}

.feature-points,
.plain-list,
.legal-list {
  margin: 18px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.feature-points li,
.plain-list li,
.legal-list li {
  margin-bottom: 10px;
}

.metrics-band {
  background: rgba(255, 255, 255, 0.44);
  border-top: 1px solid rgba(30, 26, 24, 0.08);
  border-bottom: 1px solid rgba(30, 26, 24, 0.08);
}

.metrics-grid,
.principles-grid,
.support-grid,
.legal-grid,
.download-cards,
.scenario-grid {
  display: grid;
  gap: 18px;
}

.metrics-grid,
.support-grid,
.download-cards {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.principles-grid,
.scenario-grid,
.legal-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.mega-stat {
  font-size: clamp(3rem, 5vw, 4.4rem);
  margin: 0 0 8px;
}

.editorial-band {
  padding: 36px;
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(87, 80, 74, 0.96), rgba(133, 123, 116, 0.9));
  color: #f9f5f1;
  box-shadow: var(--shadow);
}

.editorial-band .section-copy,
.editorial-band p {
  color: rgba(249, 245, 241, 0.84);
}

.step-line {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.step-card {
  padding: 22px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.step-card strong {
  display: block;
  margin-bottom: 12px;
  font-family: var(--title);
  font-size: 1.7rem;
}

.page-intro {
  padding-top: 46px;
}

.split-grid {
  grid-template-columns: 0.88fr 1.12fr;
}

.story-photo,
.download-photo,
.about-h5-photo {
  overflow: hidden;
  border-radius: var(--radius-xl);
  min-height: 460px;
  box-shadow: var(--shadow);
}

.story-copy,
.about-h5-copy {
  padding: 34px;
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(30, 26, 24, 0.08);
  box-shadow: var(--shadow);
}

.signal-line {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.signal-line span {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(133, 123, 116, 0.12);
  color: var(--accent-deep);
  font-size: 0.86rem;
}

.legal-layout {
  display: grid;
  gap: 26px;
}

.legal-panel {
  padding: 34px;
}

.legal-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
}

.legal-card {
  background: rgba(133, 123, 116, 0.08);
}

.legal-section {
  padding-top: 10px;
  border-top: 1px solid rgba(30, 26, 24, 0.08);
}

.legal-section + .legal-section {
  margin-top: 22px;
}

.contact-grid {
  grid-template-columns: 1.08fr 0.92fr;
}

.form-panel,
.contact-panel {
  padding: 34px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

.field-full {
  grid-column: 1 / -1;
}

.field label,
.consent-row {
  font-size: 0.92rem;
  color: var(--muted);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border-radius: 16px;
  border: 1px solid rgba(30, 26, 24, 0.14);
  background: rgba(255, 255, 255, 0.95);
  padding: 15px 16px;
  color: var(--ink);
}

.field textarea {
  min-height: 150px;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid rgba(133, 123, 116, 0.2);
  border-color: var(--accent);
}

.field input[aria-invalid="true"],
.field select[aria-invalid="true"],
.field textarea[aria-invalid="true"] {
  border-color: #a53d34;
}

.field-error {
  min-height: 1.1rem;
  color: #a53d34;
  font-size: 0.82rem;
}

.consent-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 10px 0 20px;
}

.consent-row input {
  margin-top: 4px;
}

.form-feedback {
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(133, 123, 116, 0.12);
  color: var(--accent-deep);
  display: none;
}

.form-feedback.is-visible {
  display: block;
}

.support-stack {
  display: grid;
  gap: 18px;
}

.support-card strong,
.contact-panel strong {
  display: block;
  margin-bottom: 6px;
}

.download-grid {
  grid-template-columns: 1.05fr 0.95fr;
}

.download-photo {
  min-height: 560px;
}

.store-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 24px 0 28px;
}

.store-badge {
  flex: 1 1 220px;
  min-height: 78px;
  padding: 18px 20px;
  border-radius: 22px;
  border: 1px solid rgba(30, 26, 24, 0.12);
  background: #111;
  color: #fff;
}

.store-badge small {
  display: block;
  color: rgba(255, 255, 255, 0.72);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.7rem;
}

.store-badge strong {
  display: block;
  margin-top: 6px;
  font-size: 1.2rem;
}

.store-badge.android {
  background: linear-gradient(135deg, #171717, #353535);
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-card {
  overflow: hidden;
}

.faq-card summary {
  list-style: none;
  cursor: pointer;
  font-size: 1.05rem;
}

.faq-card summary::-webkit-details-marker {
  display: none;
}

.faq-card p {
  margin: 12px 0 0;
  color: var(--muted);
}

.cta-strip {
  padding: 36px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(30, 26, 24, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(248, 243, 237, 0.9));
  box-shadow: var(--shadow);
}

.site-footer {
  padding: 34px 0 48px;
  border-top: 1px solid rgba(30, 26, 24, 0.08);
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  flex-wrap: wrap;
}

.footer-links,
.footer-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  color: var(--muted);
}

.about-h5-shell {
  width: min(100%, 420px);
  margin: 0 auto;
  padding: 28px 16px 42px;
}

.about-h5-mark {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
}

.about-h5-mark img {
  width: 50px;
  height: 50px;
  border-radius: 10px;
  border: 1px solid rgba(30, 26, 24, 0.08);
  background: #fff;
}

.about-h5-panel {
  display: grid;
  gap: 18px;
}

.about-h5-copy,
.about-h5-note {
  padding: 22px;
}

.about-h5-note {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(30, 26, 24, 0.08);
  background: rgba(255, 255, 255, 0.84);
  box-shadow: var(--shadow);
}

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 960px) {
  .hero-grid,
  .split-grid,
  .download-grid,
  .contact-grid,
  .feature-block {
    grid-template-columns: 1fr;
  }

  .feature-index {
    flex-direction: row;
    align-items: center;
  }

  .metrics-grid,
  .support-grid,
  .download-cards,
  .principles-grid,
  .scenario-grid,
  .legal-grid,
  .step-line,
  .legal-meta {
    grid-template-columns: 1fr;
  }

  .site-header .container {
    align-items: flex-start;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-menu {
    width: 100%;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding-top: 12px;
  }

  .nav-menu.is-open {
    display: flex;
  }
}

@media (max-width: 640px) {
  .section {
    padding: 68px 0;
  }

  .hero-copy,
  .form-panel,
  .contact-panel,
  .legal-panel,
  .cta-strip,
  .editorial-band {
    padding: 26px;
  }

  .hero-aside,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .display-title {
    max-width: none;
  }

  .site-footer .container {
    align-items: flex-start;
    flex-direction: column;
  }
}