:root {
  --ink: #0f172a;
  --paper: #f8fafc;
  --card: #ffffff;
  --muted: #64748b;
  --line: #e2e8f0;
  --line-soft: #e2e8f0;
  --sage: #ecfdf5;
  --green: #0d9488;
  --green-deep: #0f766e;
  --green-hover: #115e59;
  --mist: #ccfbf1;
  --mist-soft: #99f6e4;
  --nav: #ccfbf1;
  --footer: #94a3b8;
  --panel: #1e293b;
  --panel-line: #334155;
  --gold: #b45309;
  --gold-bg: #fffbeb;
  --gold-ink: #92400e;
  --shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
  --sans: "DM Sans", Arial, sans-serif;
  --display: "Space Grotesk", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

section[id] { scroll-margin-top: 84px; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.55;
}

a { color: var(--green-deep); }
a:hover { color: var(--green-hover); }

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

.skip {
  position: absolute;
  left: 16px;
  top: -48px;
  background: var(--green);
  color: #fff;
  padding: 8px 14px;
  border-radius: 999px;
  z-index: 20;
}
.skip:focus { top: 12px; }

.page { min-height: 100vh; }

.wrap {
  max-width: 1200px;
  margin: 0 auto;
}

.site-header {
  background: var(--ink);
  padding: 20px 24px;
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #5eead4;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
}
.logo img { width: 36px; height: auto; }
.logo:hover { color: #99f6e4; }

.nav-toggle { display: none; }

.nav-button {
  display: none;
  color: #fff;
  background: var(--green);
  font-weight: 700;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  align-items: center;
  cursor: pointer;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 28px;
}

.nav-links a {
  color: var(--nav);
  text-decoration: none;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}
.nav-links a:hover { color: #fff; }

.nav-cta {
  background: var(--green);
  color: #fff !important;
  font-weight: 700 !important;
  padding: 0 22px;
  border-radius: 999px;
}
.nav-cta:hover { color: #fff !important; background: #0f766e; }

.hero {
  background: radial-gradient(ellipse at 85% 40%, #115e59, #0f172a);
  color: var(--paper);
  padding: 112px 24px 120px;
}

.hero-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 56px;
}

.hero-copy {
  flex: 1 1 520px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.eyebrow {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--green-deep);
}

.eyebrow-on-dark { color: #5eead4; }

h1, h2, h3 { font-family: var(--display); }

h1 {
  margin: 0;
  font-size: clamp(44px, 6.4vw, 92px);
  font-weight: 700;
  line-height: 1.05;
}

h2 {
  margin: 0;
  font-size: clamp(34px, 4.2vw, 56px);
  font-weight: 700;
  line-height: 1.1;
}

h3 {
  margin: 0;
  font-size: 28px;
  font-weight: 600;
  line-height: 1.2;
}

.lede {
  margin: 0;
  font-size: 22px;
  color: var(--mist);
  max-width: 620px;
}

.actions, .pills, .feature-grid, .cards {
  display: flex;
  flex-wrap: wrap;
}

.actions { gap: 16px; margin-top: 8px; }

.btn {
  text-decoration: none;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 30px;
  border-radius: 999px;
}

.btn-primary {
  background: var(--green);
  color: #fff;
}
.btn-primary:hover { background: #0f766e; color: #fff; }

.btn-ghost {
  border: 2px solid var(--paper);
  color: var(--paper);
  padding: 0 28px;
}
.btn-ghost:hover { background: rgba(243, 245, 240, 0.08); color: #fff; }

.btn-dark {
  align-self: flex-start;
  background: var(--ink);
  color: var(--paper);
}
.btn-dark:hover { background: #1e293b; color: #fff; }

.hero-mark {
  flex: 0 1 380px;
  display: flex;
  justify-content: center;
  position: relative;
}

.hero-mark svg { height: auto; }

.hero-mark img {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 132px;
  height: auto;
  transform: translate(-50%, -50%);
}

section { padding: 104px 24px; }

.stack { display: flex; flex-direction: column; gap: 48px; }

.section-intro {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 780px;
}

.body-lg {
  margin: 0;
  color: var(--muted);
  font-size: 20px;
}

.on-dark { color: var(--mist-soft); }

.cards { gap: 24px; }
.cards-4 { gap: 20px; }

.card {
  flex: 1 1 300px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 36px;
  box-shadow: var(--shadow);
}

.cards-4 .card { flex-basis: 240px; padding: 30px; gap: 10px; }
.cards-2 .card { flex-basis: 400px; gap: 18px; }

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

.index, .step {
  margin: 0;
  font-family: var(--display);
  font-weight: 700;
  color: #0d9488;
}

.index { font-size: 44px; }
.step { font-size: 36px; color: #5eead4; }

.card h3 { font-size: 24px; }
.cards-3 .card h3 { font-size: 28px; }

.why { display: flex; flex-direction: column; gap: 16px; }
.why-label { margin: 0; font-weight: 600; }

.pills { gap: 12px; }

.pills span {
  background: var(--sage);
  border-radius: 999px;
  padding: 10px 20px;
  font-weight: 500;
}

.band { background: var(--sage); }

.split {
  display: flex;
  flex-wrap: wrap;
  gap: 56px;
  align-items: flex-start;
}

.sakora-copy {
  flex: 1 1 420px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sakora-detail {
  flex: 1.2 1 480px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.feature-grid { gap: 16px; }

.feature {
  flex: 1 1 200px;
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: 16px;
  padding: 22px;
  font-weight: 600;
}

.feature-planned {
  background: var(--gold-bg);
  border: 2px solid var(--gold);
}

.feature-planned span {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold-ink);
}

.note {
  background: var(--card);
  border: 1px solid var(--line-soft);
  border-radius: 16px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.note p { margin: 0; color: var(--muted); }

.dark {
  background: var(--ink);
  color: var(--paper);
}

.card-dark {
  background: var(--panel);
  border-color: var(--panel-line);
  box-shadow: none;
}

.card-dark p { color: var(--mist); }
.card-dark h3 { font-size: 24px; }

.use-title {
  font-size: 30px;
  color: var(--green-deep);
}

ul {
  margin: 0;
  padding-left: 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--muted);
}

.phase {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--green-deep);
}

.contact {
  background: radial-gradient(ellipse at 15% 50%, #115e59, #0f172a);
  color: var(--paper);
  padding: 112px 24px;
}

.contact-inner {
  max-width: 900px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  text-align: center;
  align-items: center;
}

.contact h2 { font-size: clamp(34px, 4.6vw, 60px); }

.contact p {
  margin: 0;
  color: var(--mist);
  font-size: 20px;
  max-width: 700px;
}

.mail {
  margin-top: 8px;
  font-size: 22px;
  font-weight: 600;
  color: #5eead4;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  text-decoration: none;
}
.mail:hover { color: #99f6e4; }

.site-footer {
  background: var(--ink);
  color: var(--footer);
  padding: 36px 24px;
  border-top: 1px solid #1e293b;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: 15px;
}

:focus-visible {
  outline: 3px solid var(--green);
  outline-offset: 3px;
}

@media (max-width: 760px) {
  body { font-size: 17px; }
  .nav-button { display: inline-flex; }
  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding-bottom: 8px;
  }
  .nav-toggle:checked ~ .nav-links { display: flex; }
  .nav-links a { min-height: 48px; }
  .hero, .contact { padding: 72px 20px; }
  section { padding: 72px 20px; }
  .hero-grid, .split { gap: 32px; }
  .card, .cards-4 .card { padding: 24px; }
}

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