:root {
  color-scheme: light dark;
  --background: #f8f7f4;
  --surface: rgba(255, 255, 255, 0.82);
  --text: #252523;
  --muted: #666661;
  --line: rgba(37, 37, 35, 0.12);
  --accent: #9a4f68;
  --accent-strong: #713649;
  --accent-soft: #f3e5e9;
  --leaf: #54715d;
  --shadow: 0 18px 50px rgba(73, 54, 59, 0.08);
  font-family:
    -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC",
    "Helvetica Neue", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--background);
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 88% 2%, rgba(154, 79, 104, 0.09), transparent 30rem),
    radial-gradient(circle at 5% 32%, rgba(84, 113, 93, 0.06), transparent 28rem),
    var(--background);
  font-size: 17px;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--accent-strong);
  text-underline-offset: 0.18em;
  text-decoration-thickness: 0.08em;
}

a:hover {
  color: var(--accent);
}

a:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 45%, transparent);
  outline-offset: 4px;
  border-radius: 0.2rem;
}

.skip-link {
  position: fixed;
  z-index: 10;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.55rem 0.8rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header,
.page-shell,
.site-footer {
  width: min(70rem, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-block: 1.35rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  text-decoration: none;
}

.brand-icon {
  width: 2rem;
  height: 2rem;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.15rem;
  font-size: 0.93rem;
}

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

.site-nav a[aria-current="page"],
.site-nav a:hover {
  color: var(--text);
}

.page-shell {
  padding-block: clamp(2.2rem, 6vw, 5.5rem) 4rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(17rem, 0.82fr);
  align-items: center;
  gap: clamp(2.5rem, 7vw, 6rem);
  min-height: min(40rem, calc(100vh - 8rem));
}

.eyebrow {
  margin: 0 0 0.7rem;
  color: var(--leaf);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

h1,
h2,
h3 {
  line-height: 1.2;
}

h1 {
  max-width: 13ch;
  margin: 0;
  font-size: clamp(2.8rem, 7vw, 5.8rem);
  letter-spacing: -0.055em;
}

.page-title {
  max-width: none;
  font-size: clamp(2.6rem, 6vw, 4.8rem);
}

.hero-copy {
  max-width: 40rem;
  margin: 1.4rem 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  min-height: 2.8rem;
  align-items: center;
  justify-content: center;
  padding: 0.62rem 1rem;
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  color: var(--text);
  background: var(--surface);
  font-size: 0.94rem;
  font-weight: 650;
  text-decoration: none;
}

.button.primary {
  border-color: transparent;
  color: white;
  background: var(--accent-strong);
}

.app-icon-stage {
  display: grid;
  min-height: 22rem;
  place-items: center;
}

.hero-app-icon {
  width: min(20rem, 78vw);
  height: auto;
  filter: drop-shadow(0 1.6rem 2.5rem rgba(73, 54, 59, 0.18));
}

.section {
  padding-block: clamp(3rem, 7vw, 6rem);
}

.section + .section {
  border-top: 1px solid var(--line);
}

.section-heading {
  max-width: 34rem;
  margin-bottom: 2rem;
}

.section h2 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 3rem);
  letter-spacing: -0.035em;
}

.section-intro {
  margin: 0.8rem 0 0;
  color: var(--muted);
}

.feature-grid,
.platform-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.feature-card,
.platform-card,
.contact-card {
  padding: 1.35rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 1rem;
}

.feature-card h3,
.platform-card h3 {
  margin: 0;
  font-size: 1.02rem;
}

.feature-card p,
.platform-card p {
  margin: 0.5rem 0 0;
  color: var(--muted);
  font-size: 0.94rem;
}

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

.platform-label {
  color: var(--leaf) !important;
  font-size: 0.78rem !important;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.card-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 0.35rem;
}

.card-links a {
  font-weight: 700;
}

.english-block {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid var(--line);
}

.prose {
  max-width: 48rem;
}

.prose h2 {
  margin: 3rem 0 0.8rem;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

.prose h3 {
  margin: 2rem 0 0.5rem;
  font-size: 1.08rem;
}

.prose p,
.prose li {
  color: var(--muted);
}

.prose ul {
  padding-left: 1.2rem;
}

.meta {
  margin-top: 0.7rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.contact-card {
  margin-block: 2rem 3rem;
}

.contact-card strong {
  display: block;
  margin-bottom: 0.4rem;
}

.email-link {
  overflow-wrap: anywhere;
  font-weight: 700;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1.5rem 2rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 0.84rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (max-width: 760px) {
  body {
    font-size: 16px;
  }

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

  .site-nav {
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.45rem 0.85rem;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .app-icon-stage {
    min-height: auto;
  }

  .feature-grid,
  .platform-grid {
    grid-template-columns: 1fr;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (max-width: 460px) {
  .site-header {
    display: block;
  }

  .site-nav {
    justify-content: flex-start;
    margin-top: 0.8rem;
  }

  .page-shell {
    padding-top: 2rem;
  }

  h1 {
    font-size: clamp(2.5rem, 15vw, 4rem);
  }
}

@media (prefers-color-scheme: dark) {
  :root {
    --background: #171716;
    --surface: rgba(38, 37, 36, 0.86);
    --text: #f2f0ec;
    --muted: #b7b3ac;
    --line: rgba(242, 240, 236, 0.13);
    --accent: #d990a7;
    --accent-strong: #e2a1b5;
    --accent-soft: rgba(217, 144, 167, 0.18);
    --leaf: #9fbea7;
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.2);
  }

  .button.primary {
    color: #24171b;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}