:root {
  --bg: #f3eee4;
  --bg-deep: #ebe4d6;
  --surface: #fcfaf6;
  --surface-elevated: #ffffff;
  --ink: #14171c;
  --ink-soft: #3f454e;
  --muted: #6a716a;
  --line: #d9d0c2;
  --line-strong: #c4b8a6;
  --pine: #1c3d38;
  --pine-hover: #16322e;
  --copper: #b8612f;
  --copper-soft: #f3e2d4;
  --success: #2f6d4f;
  --error: #9c2f2f;
  --warning: #9a6b1f;
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 10px 30px rgba(20, 23, 28, 0.06);
  --shadow-hover: 0 16px 40px rgba(20, 23, 28, 0.1);
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 5rem;
  --container: 1120px;
  --narrow: 720px;
  --nav-h: 76px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font-serif: "Fraunces", "Iowan Old Style", "Palatino Linotype", serif;
  --font-sans: "Sora", "Segoe UI", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 560;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--ink);
  margin: 0 0 0.7em;
}

.container {
  width: min(calc(100% - 2.5rem), var(--container));
  margin-inline: auto;
}

.narrow {
  width: min(calc(100% - 2.5rem), var(--narrow));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -40px;
  background: var(--pine);
  color: #fff;
  padding: 0.5rem 0.8rem;
  z-index: 100;
}

.skip-link:focus {
  top: 0.75rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(243, 238, 228, 0.88);
  border-bottom: 1px solid transparent;
  transition: border-color 200ms var(--ease);
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
}

.nav-wrap {
  min-height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.brand-mark {
  width: 34px;
  height: 34px;
  color: var(--pine);
  flex: none;
}

.brand-name {
  font-size: 1.02rem;
}

.brand-name span {
  color: var(--copper);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 0.92rem;
  color: var(--ink-soft);
  position: relative;
  padding: 0.2rem 0;
}

.nav-links a:hover,
.nav-links a.is-active {
  color: var(--ink);
}

.nav-links a.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -6px;
  height: 2px;
  background: var(--copper);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  background: var(--pine);
  color: #f7f3ea !important;
  padding: 0.62rem 1rem;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 500;
}

.nav-cta:hover {
  background: var(--pine-hover);
}

.nav-cta.is-active::after {
  display: none;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  margin: 4px auto;
  background: var(--ink);
}

.hero {
  padding: 4.5rem 0 3.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
  font-weight: 600;
  margin-bottom: 1.1rem;
}

.kicker::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--copper);
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  margin-bottom: 1rem;
}

.lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 38rem;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 48px;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 200ms var(--ease), background 200ms var(--ease), border-color 200ms var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--pine);
  color: #f7f3ea;
}

.btn-primary:hover {
  background: var(--pine-hover);
}

.btn-ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--ink);
}

.btn-ghost:hover {
  background: var(--surface);
}

.panel {
  background: var(--pine);
  color: #e8efe9;
  border-radius: var(--radius-lg);
  padding: 2rem;
  min-height: 360px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.panel::after {
  content: "IA";
  position: absolute;
  right: -0.4rem;
  bottom: -1.4rem;
  font-family: var(--font-serif);
  font-size: 11rem;
  line-height: 0.8;
  color: rgba(255, 255, 255, 0.06);
}

.panel h2 {
  color: #f4efe6;
  font-size: 1.7rem;
  max-width: 14ch;
}

.panel p {
  color: #c9d5cf;
  max-width: 28ch;
}

.panel-meta {
  margin-top: 2.5rem;
  display: grid;
  gap: 1rem;
}

.panel-meta strong {
  display: block;
  font-size: 0.95rem;
  color: #fff;
}

.panel-meta span {
  color: #b7c4be;
  font-size: 0.85rem;
}

.section {
  padding: 4.5rem 0;
}

.section-alt {
  background: var(--bg-deep);
}

.section-head {
  max-width: 38rem;
  margin-bottom: 2.5rem;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
}

.section-head p {
  color: var(--ink-soft);
  margin: 0;
}

.topic-grid,
.card-grid,
.steps,
.article-grid {
  display: grid;
  gap: 1.2rem;
}

.topic-grid {
  grid-template-columns: repeat(3, 1fr);
}

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

.steps {
  grid-template-columns: repeat(4, 1fr);
}

.article-grid {
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
}

.topic,
.card,
.step,
.article-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.4rem;
  transition: transform 220ms var(--ease), box-shadow 220ms var(--ease);
}

.topic:hover,
.card:hover,
.article-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}

.num {
  font-family: var(--font-serif);
  color: var(--copper);
  font-size: 1.3rem;
  display: block;
  margin-bottom: 0.7rem;
}

.topic h3,
.card h3,
.step h3,
.article-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.topic p,
.card p,
.step p,
.article-card p {
  color: var(--muted);
  margin: 0;
}

.article-card.featured {
  grid-row: span 2;
  padding: 0;
  overflow: hidden;
}

.article-visual {
  height: 210px;
  background:
    radial-gradient(circle at 20% 20%, rgba(184, 97, 47, 0.35), transparent 40%),
    linear-gradient(160deg, var(--pine) 0%, #2a5850 100%);
}

.article-card.featured .article-visual {
  height: 280px;
}

.article-body {
  padding: 1.3rem 1.4rem 1.5rem;
}

.meta {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 0.5rem;
}

.cta-band {
  background: var(--pine);
  color: #e7eee9;
  border-radius: var(--radius-lg);
  padding: 2.4rem;
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  align-items: center;
}

.cta-band h2 {
  color: #f6f1e8;
  margin-bottom: 0.4rem;
}

.cta-band p {
  margin: 0;
  color: #c5d2cc;
}

.page-hero {
  padding: 3.5rem 0 2rem;
}

.page-hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.6rem);
}

.prose {
  color: var(--ink-soft);
}

.prose p {
  margin: 0 0 1.1rem;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.form {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.6rem;
  box-shadow: var(--shadow);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.field label {
  font-size: 0.88rem;
  font-weight: 500;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  background: var(--surface-elevated);
  border-radius: var(--radius-sm);
  min-height: 46px;
  padding: 0.65rem 0.8rem;
}

.field textarea {
  min-height: 140px;
  resize: vertical;
}

.check {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  font-size: 0.9rem;
  margin: 1rem 0 1.2rem;
}

.form-status {
  display: none;
  margin-top: 0.8rem;
  padding: 0.8rem 0.9rem;
  border-radius: var(--radius-sm);
}

.form-status.is-success {
  display: block;
  background: #e7f3ea;
  color: var(--success);
}

.form-status.is-error {
  display: block;
  background: #f8eaea;
  color: var(--error);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 3rem 0 1.5rem;
  background: #efe8db;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2rem;
}

.site-footer h2,
.site-footer h3 {
  font-size: 1rem;
  margin-bottom: 0.8rem;
}

.site-footer p,
.site-footer a {
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.site-footer a:hover {
  color: var(--ink);
}

.legal-row {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.cookie-banner {
  position: fixed;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  max-width: 720px;
  margin: 0 auto;
  background: var(--surface-elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hover);
  padding: 1.1rem 1.2rem;
  display: none;
  z-index: 80;
}

.cookie-banner.is-visible {
  display: block;
}

.cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.8rem;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(20, 23, 28, 0.45);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 90;
  padding: 1rem;
}

.modal.is-open {
  display: flex;
}

.modal-card {
  background: var(--surface-elevated);
  border-radius: var(--radius);
  padding: 1.6rem;
  max-width: 420px;
  width: 100%;
}

.legal-page {
  padding: 3rem 0 5rem;
}

.legal-page h1 {
  font-size: 2.4rem;
}

.legal-page h2 {
  font-size: 1.35rem;
  margin-top: 1.8rem;
}

@media (max-width: 960px) {
  .hero-grid,
  .topic-grid,
  .card-grid,
  .steps,
  .article-grid,
  .split,
  .footer-grid,
  .cta-band {
    grid-template-columns: 1fr;
  }

  .cta-band {
    display: grid;
  }

  .article-card.featured {
    grid-row: auto;
  }
}

@media (max-width: 760px) {
  .menu-toggle {
    display: inline-block;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 1rem 1.25rem 1.2rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.9rem;
  }

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

  .hero {
    padding-top: 2.4rem;
  }

  .section {
    padding: 3rem 0;
  }
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}