:root {
  --bg: #f4efe8;
  --paper: rgba(255, 255, 255, 0.78);
  --surface: #fffdf9;
  --text: #1c1917;
  --muted: #57534e;
  --line: rgba(41, 37, 36, 0.12);
  --accent: #0f766e;
  --accent-strong: #134e4a;
  --accent-soft: #ccfbf1;
  --shadow: 0 24px 70px rgba(28, 25, 23, 0.10);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 18px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: "Avenir Next", "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.12), transparent 28%),
    radial-gradient(circle at 85% 10%, rgba(245, 158, 11, 0.14), transparent 24%),
    linear-gradient(180deg, #fcfaf7 0%, var(--bg) 100%);
}

a {
  color: inherit;
}

.page-shell {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1rem 0 2rem;
}

.site-header,
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-header {
  padding: 0.75rem 0 1.25rem;
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
}

.brand-mark {
  width: 48px;
  height: 48px;
  display: inline-grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(145deg, #115e59, #0f766e);
  color: #f8fffd;
  font-weight: 800;
  letter-spacing: 0.04em;
  box-shadow: 0 12px 28px rgba(15, 118, 110, 0.22);
}

.brand-text {
  display: grid;
  gap: 0.12rem;
}

.brand-text strong {
  font-size: 1rem;
}

.brand-text span {
  color: var(--muted);
  font-size: 0.92rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-nav a {
  text-decoration: none;
  color: var(--muted);
}

.lang-switcher {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.6);
}

.lang-switcher a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
}

.lang-switcher a.active {
  background: var(--accent);
  color: #f8fffd;
}

.hero,
.section,
.site-footer {
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.8fr);
  gap: 1.25rem;
  padding: clamp(1.5rem, 4vw, 3rem);
  border-radius: var(--radius-xl);
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent-strong);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.76rem;
  font-weight: 800;
}

h1,
h2,
h3,
p,
ul {
  margin-top: 0;
}

h1 {
  margin-bottom: 1rem;
  font-size: clamp(2.3rem, 6vw, 5rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(1.7rem, 3vw, 2.6rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

h3 {
  margin-bottom: 0.75rem;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
}

.hero-text,
.app-card p,
.about-card p,
.metric-label,
.site-footer,
ul {
  color: var(--muted);
}

.hero-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.8rem;
}

.card-actions {
  margin-top: 1.25rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  background: var(--accent);
  color: #f8fffd;
  min-height: 46px;
  padding: 0.75rem 1.1rem;
  border-radius: 999px;
  font-weight: 700;
}

.button.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}

.hero-panel {
  display: grid;
  gap: 0.9rem;
}

.metric {
  background: var(--surface);
  border: 1px solid rgba(15, 118, 110, 0.10);
  border-radius: var(--radius-lg);
  padding: 1rem;
}

.metric strong {
  display: block;
  line-height: 1.35;
}

.metric-label {
  display: inline-block;
  margin-bottom: 0.45rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.section {
  margin-top: 1.2rem;
  padding: clamp(1.35rem, 3vw, 2.3rem);
  border-radius: var(--radius-xl);
}

.section-heading {
  margin-bottom: 1.4rem;
}

.card-grid,
.about-grid,
.support-grid {
  display: grid;
  gap: 1rem;
}

.card-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.about-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 1.4rem;
}

.side-by-side {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: 1.25rem;
  align-items: start;
}

.side-by-side > div {
  max-width: 50%;
}

.visual-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-top: 1.6rem;
}

.support-grid {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  margin-top: 1.5rem;
}

.app-card,
.about-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}

.app-logo {
  width: 72px;
  height: 72px;
  object-fit: contain;
  margin-bottom: 0.7rem;
}

.card-tag {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0.2rem 0.65rem;
  margin-bottom: 0.55rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

ul {
  padding-left: 1.1rem;
  margin-bottom: 0;
}

.site-footer {
  margin-top: 1.2rem;
  padding: 1rem 1.2rem;
  border-radius: var(--radius-md);
  font-size: 0.92rem;
}

.detail-page {
  margin-top: 1.2rem;
}

.detail-panel {
  padding-top: 2rem;
}

.content-block {
  margin-top: 1.6rem;
}

.content-block h2,
.about-card h2 {
  margin-bottom: 0.8rem;
}

.phone-shot,
.feature-visual {
  margin: 1.2rem 0 0;
}

.phone-shot img,
.feature-visual img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 24px;
  border: 1px solid var(--line);
  box-shadow: 0 20px 45px rgba(28, 25, 23, 0.12);
  background: #000;
}

.phone-shot {
  max-width: 192px;
}

.phone-shot figcaption,
.feature-visual figcaption,
.video-placeholder,
.video-file {
  color: var(--muted);
}

.phone-shot figcaption,
.feature-visual figcaption {
  margin-top: 0.7rem;
  font-size: 0.92rem;
}

.inline-visual img {
  max-width: 192px;
}

.feature-visual-compact img {
  max-width: 192px;
}

.media-panel {
  display: grid;
  grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.dual-visual {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.video-placeholder {
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 0;
  margin-top: 1.2rem;
}

.feature-video {
  width: 100%;
  max-width: 230px;
  height: auto;
  display: block;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: #000;
}

.feature-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.stack-actions {
  display: grid;
  gap: 0.7rem;
  margin-top: 1.25rem;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 860px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .media-panel {
    grid-template-columns: 1fr;
  }

  .side-by-side {
    grid-template-columns: 1fr;
  }

  .dual-visual {
    grid-template-columns: 1fr;
  }

  .side-by-side > div {
    max-width: none;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100%, calc(100% - 1rem));
    padding-top: 0.5rem;
  }

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

  .header-tools {
    width: 100%;
    align-items: flex-start;
    flex-direction: column;
  }

  h1 {
    font-size: clamp(2rem, 12vw, 3.3rem);
  }
}