/* ArnaLab — shared stylesheet
   Palette: light background, deep green primary (#2B4B36), coral accent (#F0573D)
   Type: Fraunces (headers), Inter (body) */

:root {
  --green-dark: #2B4B36;
  --green-mid: #4CAF6D;
  --coral: #F0573D;
  --bg: #FFFFFF;
  --bg-tint: #F5F8F6;
  --text-body: #3F5347;
  --text-muted: #6B7C71;
  --border: #E1E9E4;
  --radius: 10px;
  --max-width: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', -apple-system, sans-serif;
  color: var(--text-body);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
}

h1, h2, h3 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 500;
  color: var(--green-dark);
  line-height: 1.25;
  margin: 0 0 0.6em;
}

h1 { font-size: 2.6rem; }
h2 { font-size: 1.9rem; }
h3 { font-size: 1.3rem; }

p { margin: 0 0 1.2em; }

a { color: var(--coral); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header / nav */
header.site {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.logo-mark { display: flex; align-items: center; gap: 10px; }
.logo-mark img { height: 40px; width: auto; }
.logo-mark span {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: 1.15rem;
  color: var(--green-dark);
}

nav.primary ul {
  list-style: none;
  display: flex;
  gap: 1.75rem;
  margin: 0;
  padding: 0;
}

nav.primary a {
  color: var(--green-dark);
  font-size: 0.95rem;
  font-weight: 500;
}
nav.primary a:hover { color: var(--coral); text-decoration: none; }

.lang-switch {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-left: 1.5rem;
}
.lang-switch a { color: var(--text-muted); }
.lang-switch a.active { color: var(--green-dark); font-weight: 500; }

.menu-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: var(--green-dark); cursor: pointer; }

/* Hero */
.hero {
  padding: 4.5rem 0 3.5rem;
}
.eyebrow {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--green-mid);
  text-transform: uppercase;
  margin-bottom: 0.8rem;
  display: block;
}
.hero p.lede {
  font-size: 1.15rem;
  color: var(--text-body);
  max-width: 640px;
}

.btn {
  display: inline-block;
  border-bottom: 1.5px solid var(--coral);
  color: var(--coral);
  font-weight: 500;
  padding-bottom: 2px;
  font-size: 0.95rem;
}
.btn:hover { text-decoration: none; opacity: 0.8; }

.btn-solid {
  display: inline-block;
  background: var(--green-dark);
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 500;
  font-size: 0.95rem;
}
.btn-solid:hover { background: var(--coral); text-decoration: none; color: #fff; }

/* Sections */
section { padding: 3rem 0; }
section.tint { background: var(--bg-tint); }
.section-head { max-width: 640px; margin-bottom: 2rem; }

/* Card grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
}
.card h3 { margin-bottom: 0.5rem; }
.card p { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 0; }

/* Founder / about snippet */
.founder {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2rem;
  align-items: center;
}
.founder img {
  width: 100%;
  border-radius: 12px;
  background: var(--bg-tint);
  aspect-ratio: 1;
  object-fit: cover;
}

/* Testimonials */
.testimonial {
  border-left: 3px solid var(--coral);
  padding-left: 1.25rem;
  font-family: 'Fraunces', serif;
  font-style: italic;
  font-size: 1.1rem;
  color: var(--green-dark);
}
.testimonial cite {
  display: block;
  font-family: 'Inter', sans-serif;
  font-style: normal;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
}

/* Placeholder callouts */
.placeholder {
  background: var(--bg-tint);
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Photo placeholder box */
.photo-slot {
  background: var(--bg-tint);
  border: 1px dashed var(--border);
  border-radius: 12px;
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-align: center;
  padding: 1rem;
}

/* Work / case studies */
.case-study {
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
}
.case-study:last-child { border-bottom: none; }
.case-meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}
.case-photos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-top: 1rem;
}

/* Programs pillars */
.pillar {
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
}
.pillar:last-child { border-bottom: none; }
.pillar-sample {
  margin-top: 1rem;
  padding-left: 1rem;
  border-left: 2px solid var(--border);
}
.pillar-sample + .pillar-sample { margin-top: 1.5rem; }
.pillar-sample h4 {
  font-family: 'Inter', sans-serif;
  font-weight: 500;
  font-size: 1rem;
  color: var(--green-dark);
  margin: 0 0 0.3em;
}

/* Footer */
footer.site {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
  margin-top: 2rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}
footer.site a { color: var(--text-muted); }
footer.site .foot-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Contact */
.contact-block {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 1.05rem;
}

@media (max-width: 720px) {
  h1 { font-size: 2rem; }
  nav.primary { display: none; }
  .menu-toggle { display: block; }
  .founder { grid-template-columns: 1fr; }
  .case-photos { grid-template-columns: 1fr 1fr; }
}