:root {
  color-scheme: light;
  --bg: #f7f5f0;
  --surface: #ffffff;
  --ink: #171717;
  --muted: #5d625f;
  --line: #d9d4c8;
  --accent: #23352d;
  --accent-strong: #17251f;
  --accent-soft: #e7ebe5;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 48px);
  border-bottom: 1px solid rgba(23, 23, 23, 0.08);
  background: rgba(247, 245, 240, 0.92);
  backdrop-filter: blur(12px);
}

.brand {
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0;
}

.header-controls {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 24px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav a {
  text-decoration: none;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--ink);
}

.language-switch {
  display: inline-flex;
  gap: 4px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.45);
  font-size: 0.82rem;
  font-weight: 800;
}

.language-switch a {
  min-width: 36px;
  padding: 4px 9px;
  border-radius: 999px;
  color: var(--muted);
  text-align: center;
  text-decoration: none;
}

.language-switch a[aria-current="page"] {
  background: var(--accent);
  color: #fff;
}

.language-switch a:not([aria-current="page"]):hover,
.language-switch a:not([aria-current="page"]):focus-visible {
  color: var(--ink);
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(56px, 8vw, 104px) clamp(20px, 4vw, 48px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  align-items: end;
  gap: clamp(36px, 7vw, 88px);
  min-height: calc(100vh - 68px);
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: break-word;
}

h1 {
  margin: 0;
  max-width: 880px;
  font-size: clamp(2.55rem, 6vw, 4.95rem);
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: clamp(2rem, 4.5vw, 3.6rem);
  line-height: 1.04;
  letter-spacing: 0;
}

h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
  line-height: 1.25;
}

p {
  margin: 0;
}

.lead {
  max-width: 680px;
  margin-top: 26px;
  color: var(--muted);
  font-size: clamp(1.08rem, 2vw, 1.28rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  font-weight: 750;
  text-decoration: none;
}

.button.primary {
  background: var(--accent);
  color: #fff;
}

.button.primary:hover,
.button.primary:focus-visible {
  background: var(--accent-strong);
}

.button.secondary {
  color: var(--accent);
}

.button.secondary:hover,
.button.secondary:focus-visible {
  background: var(--accent-soft);
}

.button.large {
  min-width: 190px;
}

.hero-panel {
  border-top: 3px solid var(--accent);
  background: var(--surface);
  padding: 28px;
}

.hero-panel dl {
  display: grid;
  gap: 22px;
  margin: 0;
}

.hero-panel div {
  display: grid;
  gap: 5px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.hero-panel div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.hero-panel dt {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-panel dd {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
}

.intro,
.split,
.fit,
.about,
.contact {
  display: grid;
  grid-template-columns: minmax(220px, 0.72fr) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 72px);
  border-top: 1px solid var(--line);
}

.intro > p,
.section-heading > p,
.about-copy,
.contact p {
  color: var(--muted);
  font-size: 1.08rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.feature-grid article {
  min-height: 190px;
  padding: 24px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.6);
}

.feature-grid p,
.principles p,
.fit li {
  color: var(--muted);
}

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

.section-heading {
  max-width: 780px;
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.principles div {
  padding: 24px;
  background: var(--accent);
  color: #fff;
}

.principles span {
  display: inline-block;
  margin-bottom: 34px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.85rem;
  font-weight: 800;
}

.principles p {
  color: rgba(255, 255, 255, 0.78);
}

.fit-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.fit-columns div {
  padding: 24px;
  border-left: 3px solid var(--accent);
  background: var(--surface);
}

ul {
  margin: 0;
  padding-left: 20px;
}

li + li {
  margin-top: 10px;
}

.about-copy {
  display: grid;
  gap: 16px;
}

.contact {
  align-items: center;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px clamp(20px, 4vw, 48px) 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.95rem;
}

.site-footer a {
  font-weight: 700;
  text-decoration: none;
}

@media (max-width: 860px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .header-controls {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .nav {
    justify-content: flex-start;
  }

  .hero,
  .intro,
  .split,
  .fit,
  .about,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 64px;
  }

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

@media (max-width: 560px) {
  .nav {
    gap: 12px;
    font-size: 0.9rem;
  }

  .button {
    width: 100%;
  }

  .feature-grid article,
  .fit-columns div,
  .principles div,
  .hero-panel {
    padding: 20px;
  }

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