:root {
  --color-bg: #ffffff;
  --color-surface: #f6f8f7;
  --color-text: #111827;
  --color-muted: #5f6b7a;
  --color-border: #dce3e0;
  --color-accent: #0f766e;
  --color-accent-dark: #0b5f59;
  --color-panel: #101827;
  --shadow-soft: 0 18px 45px rgba(15, 23, 42, 0.1);
  --container: 1120px;
  --radius: 8px;
  --section-space: 88px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  word-break: keep-all;
}

body.nav-open {
  overflow: hidden;
}

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

p,
h1,
h2,
h3 {
  margin: 0;
}

button,
input,
textarea {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: 12px;
  z-index: 20;
  transform: translateY(-140%);
  background: var(--color-text);
  color: #ffffff;
  padding: 8px 12px;
  border-radius: 6px;
}

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

.container {
  width: min(100% - 40px, var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(220, 227, 224, 0.8);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(18px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 750;
  letter-spacing: 0;
}

.brand-mark {
  display: inline-grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border-radius: 7px;
  background: var(--color-text);
  color: #ffffff;
  font-size: 15px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  color: var(--color-muted);
  font-size: 15px;
}

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

.nav-toggle {
  display: none;
  border: 1px solid var(--color-border);
  border-radius: 7px;
  background: #ffffff;
  color: var(--color-text);
  padding: 8px 12px;
  cursor: pointer;
}

.section {
  padding: var(--section-space) 0;
}

.section-muted {
  background: var(--color-surface);
}

.hero {
  padding-top: 92px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  align-items: center;
  gap: 56px;
}

.hero-copy {
  max-width: 660px;
}

.eyebrow {
  margin-bottom: 12px;
  color: var(--color-accent);
  font-size: 13px;
  font-weight: 750;
  text-transform: uppercase;
}

h1 {
  max-width: 720px;
  font-size: 64px;
  line-height: 1.03;
  letter-spacing: 0;
}

h2 {
  color: var(--color-text);
  font-size: 40px;
  line-height: 1.18;
  letter-spacing: 0;
}

h3 {
  font-size: 19px;
  line-height: 1.35;
  letter-spacing: 0;
}

.hero-text {
  margin-top: 24px;
  max-width: 620px;
  color: var(--color-muted);
  font-size: 19px;
}

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

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: 7px;
  padding: 11px 18px;
  font-weight: 700;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease;
}

.button-primary {
  border: 1px solid var(--color-accent);
  background: var(--color-accent);
  color: #ffffff;
}

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

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

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: var(--color-text);
}

.hero-panel {
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  background:
    linear-gradient(145deg, rgba(15, 118, 110, 0.24), transparent 46%),
    var(--color-panel);
  color: #ffffff;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.panel-bar {
  display: flex;
  gap: 7px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 16px;
}

.panel-bar span {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.42);
}

.workflow-card {
  padding: 26px;
}

.workflow-label {
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.workflow-list {
  display: grid;
  gap: 12px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.workflow-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.06);
  padding: 14px;
}

.workflow-list span {
  color: #7dd3c7;
  font-size: 13px;
  font-weight: 800;
}

.code-preview {
  display: grid;
  gap: 7px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.16);
  color: #c7f4ed;
  padding: 22px 26px 28px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 13px;
}

.section-heading {
  max-width: 680px;
  margin-bottom: 36px;
}

.section-heading p:not(.eyebrow) {
  margin-top: 14px;
  color: var(--color-muted);
  font-size: 18px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.info-card {
  min-height: 220px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #ffffff;
  padding: 24px;
}

.info-card p {
  margin-top: 14px;
  color: var(--color-muted);
}

.process-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(420px, 1.15fr);
  gap: 56px;
  align-items: start;
}

.process-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-list li {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 18px;
  border-bottom: 1px solid var(--color-border);
  padding: 0 0 22px;
}

.process-list li + li {
  padding-top: 8px;
}

.process-list span {
  color: var(--color-accent);
  font-weight: 800;
}

.process-list p {
  margin-top: 6px;
  color: var(--color-muted);
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-border);
}

.feature-list article {
  background: #ffffff;
  padding: 26px;
}

.feature-list p {
  margin-top: 10px;
  color: var(--color-muted);
}

.contact-section {
  background: var(--color-text);
  color: #ffffff;
}

.contact-section .eyebrow {
  color: #7dd3c7;
}

.contact-section h2 {
  color: #ffffff;
}

.contact-section p:not(.eyebrow) {
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.72);
}

.contact-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: center;
}

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 26px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--color-muted);
  font-size: 14px;
}

.footer-inner p:first-child {
  color: var(--color-text);
  font-weight: 750;
}

@media (max-width: 900px) {
  :root {
    --section-space: 72px;
  }

  h1 {
    font-size: 52px;
  }

  h2 {
    font-size: 34px;
  }

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

  .site-nav {
    position: fixed;
    left: 20px;
    right: 20px;
    top: 82px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: #ffffff;
    box-shadow: var(--shadow-soft);
    overflow: hidden;
  }

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

  .site-nav a {
    padding: 15px 18px;
    border-bottom: 1px solid var(--color-border);
  }

  .site-nav a:last-child {
    border-bottom: 0;
  }

  .hero {
    padding-top: 68px;
  }

  .hero-grid,
  .process-grid,
  .contact-box {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    max-width: 620px;
  }

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

@media (max-width: 620px) {
  .container {
    width: min(100% - 28px, var(--container));
  }

  h1 {
    font-size: 40px;
  }

  h2 {
    font-size: 29px;
  }

  .header-inner {
    min-height: 66px;
  }

  .brand {
    font-size: 15px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

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

  .info-card {
    min-height: auto;
  }

  .process-list li {
    grid-template-columns: 42px 1fr;
  }

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