/* ============================================
   Ard Labs — base styles
   ============================================ */

:root {
  --bg: #faf8f4;
  --bg-alt: #f2efe8;
  --ink: #1a1917;
  --ink-soft: #4a463f;
  --ink-faint: #8a8477;
  --line: #e2ddd1;
  --accent: #8a6a35;
  --accent-deep: #5f4a26;
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --max: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

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

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
}

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.15;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

p {
  margin: 0 0 1em;
}

.eyebrow {
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1em;
  display: block;
}

/* ============================================
   Header / nav
   ============================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 248, 244, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.logo-mark {
  width: 28px;
  height: 28px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 40px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-soft);
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--ink);
  border-color: var(--accent);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--ink);
  color: var(--bg) !important;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: background 0.2s;
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  margin: 5px 0;
  transition: transform 0.2s, opacity 0.2s;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: transform 0.15s, background 0.2s, color 0.2s;
}

.btn-primary {
  background: var(--ink);
  color: var(--bg);
}

.btn-primary:hover {
  background: var(--accent-deep);
  transform: translateY(-1px);
}

.btn-ghost {
  border: 1px solid var(--line);
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: var(--ink);
}

/* ============================================
   Hero
   ============================================ */

.hero {
  padding: 100px 0 90px;
  border-bottom: 1px solid var(--line);
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 4rem);
  max-width: 16ch;
}

.hero .lede {
  font-size: 1.2rem;
  color: var(--ink-soft);
  max-width: 52ch;
  margin-bottom: 2em;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.page-hero {
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--line);
}

.page-hero h1 {
  font-size: clamp(2.1rem, 4vw, 3.2rem);
  max-width: 20ch;
}

.page-hero .lede {
  font-size: 1.1rem;
  color: var(--ink-soft);
  max-width: 60ch;
}

/* ============================================
   Sections
   ============================================ */

section {
  padding: 88px 0;
}

section.tight {
  padding: 64px 0;
}

.section-head {
  max-width: 62ch;
  margin-bottom: 56px;
}

.section-head h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
}

.section-head .lede {
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

/* ============================================
   Grids / cards
   ============================================ */

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.card {
  padding: 36px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 4px;
}

.card .num {
  font-family: var(--serif);
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: 0.6em;
  display: block;
}

.card h3 {
  font-size: 1.25rem;
}

.card p {
  color: var(--ink-soft);
  font-size: 0.95rem;
  margin-bottom: 0;
}

.card ul {
  margin: 1em 0 0;
  padding: 0 0 0 1.1em;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.card ul li {
  margin-bottom: 0.4em;
}

/* ============================================
   Values / list rows
   ============================================ */

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

.row-item {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}

.row-item h3 {
  font-size: 1.15rem;
  margin: 0;
}

.row-item p {
  color: var(--ink-soft);
  margin: 0;
  max-width: 60ch;
}

/* ============================================
   Stats
   ============================================ */

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  border-top: 1px solid var(--line);
  padding-top: 48px;
}

.stat .figure {
  font-family: var(--serif);
  font-size: 2.4rem;
  color: var(--ink);
  display: block;
}

.stat .label {
  font-size: 0.85rem;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ============================================
   CTA band
   ============================================ */

.cta-band {
  background: var(--ink);
  color: var(--bg);
}

.cta-band h2 {
  color: var(--bg);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  max-width: 20ch;
}

.cta-band .lede {
  color: #cfc9ba;
  max-width: 50ch;
}

.cta-band .btn-primary {
  background: var(--accent);
  color: var(--ink);
}

.cta-band .btn-primary:hover {
  background: #b7924e;
}

.cta-band .btn-ghost {
  border-color: #4a463f;
  color: var(--bg);
}

.cta-band .btn-ghost:hover {
  border-color: var(--bg);
}

/* ============================================
   Contact
   ============================================ */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
}

.contact-info h3 {
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  margin-bottom: 0.8em;
}

.contact-info .email-link {
  font-family: var(--serif);
  font-size: 1.6rem;
  color: var(--accent-deep);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 2px;
}

.contact-info .email-link:hover {
  color: var(--accent);
}

.contact-block {
  margin-bottom: 40px;
}

.social-links {
  display: flex;
  gap: 20px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.social-links a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
}

.social-links a:hover {
  color: var(--ink);
  border-color: var(--ink);
}

form.contact-form {
  display: grid;
  gap: 20px;
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
}

.field input,
.field textarea {
  font-family: var(--sans);
  font-size: 0.95rem;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--bg-alt);
  color: var(--ink);
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg);
}

.form-note {
  font-size: 0.85rem;
  color: var(--ink-faint);
}

/* ============================================
   Footer
   ============================================ */

.site-footer {
  border-top: 1px solid var(--line);
  padding: 48px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-inner .logo {
  font-size: 1.05rem;
}

.footer-links {
  display: flex;
  gap: 28px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--ink-soft);
}

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

.footer-meta {
  font-size: 0.8rem;
  color: var(--ink-faint);
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 860px) {
  .grid-2,
  .grid-3,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .stats {
    grid-template-columns: 1fr 1fr;
  }

  .row-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .nav-links,
  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .site-header.open .nav-links {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 8px 32px 24px;
  }

  .site-header.open .nav-links a {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    width: 100%;
  }

  .site-header.open .nav-cta {
    display: inline-flex;
    margin: 16px 32px 24px;
  }
}

@media (max-width: 560px) {
  .stats {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 64px 0 56px;
  }

  section {
    padding: 64px 0;
  }
}