:root {
  --bg: #faf8f3;
  --surface: #f3efe5;
  --text: #2b2a26;
  --muted: #6b665a;
  --accent: #6b7a3a;
  --accent-hover: #556030;
  --rule: #e4decf;
  --max: 68ch;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
a:hover { color: var(--accent-hover); border-bottom-color: currentColor; }

h1, h2, h3 { font-weight: 500; letter-spacing: -0.01em; line-height: 1.2; }
h1 { font-size: clamp(2rem, 4.5vw, 3rem); margin: 0 0 1rem; }
h2 { font-size: 1.6rem; margin: 0 0 1rem; }
h3 { font-size: 1.15rem; margin: 0 0 .5rem; }

p { margin: 0 0 1rem; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header: logo + name centered, language switcher right */
.site-header {
  position: relative;
  padding: 1.75rem 1.25rem 1.5rem;
  max-width: 72ch;
  margin: 0 auto;
  text-align: center;
}
.brand {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  color: var(--text);
  border: none;
}
.brand-logo {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}
.brand-name {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.site-header .lang {
  position: absolute;
  top: 1.75rem;
  right: 1.25rem;
}
.lang {
  display: flex;
  gap: .5rem;
  font-size: .9rem;
}
.lang a {
  color: var(--muted);
  border: none;
  padding: .25rem .4rem;
}
.lang a[aria-current="page"] {
  color: var(--text);
  font-weight: 500;
}
.lang a:hover { color: var(--text); }

/* Hero */
.hero {
  padding: 4rem 1.25rem 3.5rem;
  text-align: left;
}
.hero .wrap { max-width: var(--max); }
.hero .lede {
  font-size: 1.3rem;
  line-height: 1.5;
  color: var(--muted);
  margin: 0 0 2rem;
  max-width: 40ch;
}
.cta {
  display: flex;
  gap: .75rem;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .75rem 1.1rem;
  min-height: 44px;
  border: 1px solid var(--accent);
  color: var(--accent);
  background: transparent;
  border-radius: 2px;
  font-size: .95rem;
  line-height: 1.2;
}
.btn:hover { background: var(--accent); color: var(--bg); border-bottom-color: var(--accent); }
.btn.primary { background: var(--accent); color: var(--bg); }
.btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }

.btn.whatsapp {
  background: #25D366;
  border-color: #25D366;
  color: #fff;
}
.btn.whatsapp:hover {
  background: #1ebe57;
  border-color: #1ebe57;
  color: #fff;
}
.btn-icon {
  width: 1.1em;
  height: 1.1em;
  flex-shrink: 0;
}

/* Sections */
section { padding: 2.5rem 0; }
section + section { border-top: 1px solid var(--rule); }

/* Grid for the eco concept blocks */
.grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 48rem) {
  .grid { grid-template-columns: 1fr 1fr; }
}

.card {
  background: var(--surface);
  padding: 1.25rem 1.25rem 1rem;
  border-radius: 3px;
}
.card h3 { color: var(--accent); margin-bottom: .4rem; }
.card p:last-child { margin-bottom: 0; }

/* Checklist */
.checklist {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}
.checklist li {
  padding: .4rem 0 .4rem 1.75rem;
  position: relative;
  border-bottom: 1px solid var(--rule);
}
.checklist li:last-child { border-bottom: none; }
.checklist li::before {
  content: "·";
  position: absolute;
  left: .5rem;
  top: .4rem;
  color: var(--accent);
  font-size: 1.4rem;
  line-height: 1;
}

/* Timeline */
.timeline { margin: 0; padding: 0; list-style: none; }
.timeline li {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: 1rem;
  padding: .5rem 0;
  border-bottom: 1px solid var(--rule);
}
.timeline li:last-child { border-bottom: none; }
.timeline .year { color: var(--muted); font-variant-numeric: tabular-nums; }

/* Footer */
.site-footer {
  padding: 3rem 1.25rem 4rem;
  color: var(--muted);
  font-size: .9rem;
  text-align: center;
}
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--text); }

/* ---------- Mobile-first adjustments ---------- */

/* Default (mobile): buttons stack full-width for comfortable tapping */
@media (max-width: 29.99rem) {
  .cta { flex-direction: column; align-items: stretch; }
  .cta .btn { width: 100%; }
  .hero { padding: 2.5rem 1.25rem 2rem; }
  .hero .lede { font-size: 1.15rem; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.4rem; }
  section { padding: 2rem 0; }
  .site-header { padding: 1rem 1.25rem; }
  .lang { gap: .25rem; }
  .lang a { padding: .5rem .5rem; min-height: 44px; display: inline-flex; align-items: center; }
}

/* Prevent horizontal scroll on narrow screens */
html, body { overflow-x: hidden; }

/* Make sure images (logo etc.) never overflow */
img { max-width: 100%; height: auto; display: block; }