/* ── Reset & base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:         #F4F9F0;
  --bg-1:       #E8F3E0;
  --bg-2:       #D4E6C3;
  --border:     #A8C898;
  --green:      #1A5C3A;
  --green-light:#2A7A52;
  --green-glow: rgba(26,92,58,0.20);
  --amber:      #b86500;
  --text:       #1A2A1A;
  --muted:      #4A6A54;
  --font:       'Inter', 'Helvetica Neue', system-ui, sans-serif;
  --font-mono:  'JetBrains Mono', 'Fira Mono', monospace;
  --radius:     0.5rem;
  --radius-lg:  0.9rem;
}

html { scroll-behavior: smooth; scroll-padding-top: 3.5rem; }

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

a { color: var(--green-light); text-decoration: none; }
a:hover { color: var(--green); }

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

/* language toggle */
[data-lang] { display: none; }
html[lang="en"] [data-lang="en"] { display: inline; }
html[lang="es"] [data-lang="es"] { display: inline; }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section { padding: 5rem 0; }
section.alt { background: var(--bg-1); }

.label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 2.5rem;
  max-width: 32ch;
}
.section-title.tight { margin-bottom: 1rem; }

.section-intro {
  color: var(--muted);
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
}

/* brand name: HET bold, Labs normal weight, kept consistent everywhere */
.brand-het { font-weight: 700; }
.brand-labs { font-weight: 500; color: var(--muted); }

/* ── NAV ──────────────────────────────────────────────────── */
nav.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 3.5rem;
  background: rgba(244,249,240,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text);
  transition: transform 0.15s;
}
.nav-logo:hover { color: var(--text); transform: translateY(-1px); }

.logo-mark {
  width: 1.85rem;
  height: 1.85rem;
  color: var(--green);
  flex-shrink: 0;
}
.logo-word { line-height: 1; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}
.nav-links a {
  padding: 0.35rem 0.75rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--muted);
  border-radius: 0.3rem;
  transition: color 0.15s, background 0.15s;
}
.nav-links a:hover {
  color: var(--text);
  background: var(--bg-2);
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-left: 0.5rem;
  padding-left: 0.85rem;
  border-left: 1px solid var(--border);
  font-family: var(--font-mono);
}
.lang-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--muted);
  padding: 0.2rem 0.3rem;
  border-radius: 0.25rem;
}
.lang-btn:hover { color: var(--text); }
html[lang="en"] .lang-btn[data-set-lang="en"],
html[lang="es"] .lang-btn[data-set-lang="es"] {
  color: var(--green);
  background: var(--bg-2);
}
.lang-sep { color: var(--border); font-size: 0.75rem; }

.nav-ham {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  font-size: 1.4rem;
  line-height: 1;
}

@media (max-width: 720px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 3.5rem;
    left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    background: var(--bg);
    padding: 1rem 1.5rem 1.5rem;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 12px 24px rgba(26,92,58,0.12);
    gap: 0.15rem;
  }
  .nav-links.mobile-open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; }
  .lang-switch {
    margin-left: 0;
    padding-left: 0;
    border-left: none;
    margin-top: 0.5rem;
  }
  .nav-ham { display: block; }
}

/* ── HERO ─────────────────────────────────────────────────── */
section#hero {
  position: relative;
  overflow: hidden;
  padding: 7.5rem 0 3.5rem;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, var(--green-glow), transparent 70%),
    var(--bg);
  z-index: -1;
}

.hero-row {
  display: flex;
  align-items: center;
  gap: 3rem;
}

.hero-text { flex: 1 1 26rem; text-align: left; }
.hero-visual {
  flex: 1 1 24rem;
  max-width: 28rem;
}
.hero-visual img { width: 100%; height: auto; }

.hero-title {
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 4.6vw, 3.1rem);
  font-weight: 700;
  color: var(--green);
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin-bottom: 1.1rem;
}
.hero-title .accent-dot { color: var(--amber); }

.hero-lead {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--green);
  max-width: 34rem;
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: 1.02rem;
  color: var(--muted);
  max-width: 36rem;
  margin-bottom: 2rem;
}

.hero-cta {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
}

.hero-pillars {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}
.pillar-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-1);
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.pillar-chip:hover {
  color: var(--text);
  border-color: var(--green-light);
  background: var(--bg-2);
}
.chip-icon {
  width: 16px;
  height: 16px;
  color: var(--green);
  flex-shrink: 0;
}

.hero-trust {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.hero-trust svg {
  width: 16px;
  height: 16px;
  color: var(--green-light);
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .hero-row { flex-direction: column; text-align: center; }
  .hero-text { text-align: center; }
  .hero-lead { margin-left: auto; margin-right: auto; }
  .hero-subtitle { margin-left: auto; margin-right: auto; }
  .hero-cta { justify-content: center; }
  .hero-visual { max-width: 22rem; order: 2; }
  .hero-pillars { justify-content: center; }
  .hero-trust { justify-content: center; }
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
  border: 1px solid transparent;
}
.btn-arrow { transition: transform 0.15s; }
.btn:hover .btn-arrow { transform: translateX(3px); }
.btn-primary {
  background: var(--green);
  color: #F4F9F0;
}
.btn-primary:hover {
  background: var(--green-light);
  color: #F4F9F0;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px var(--green-glow);
}
.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-ghost:hover {
  background: var(--bg-2);
  color: var(--text);
  transform: translateY(-1px);
}

/* ── CARDS ────────────────────────────────────────────────── */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.card-grid-2 {
  grid-template-columns: repeat(2, 1fr);
  max-width: 46rem;
}
@media (max-width: 860px) {
  .card-grid { grid-template-columns: 1fr; }
}

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.9rem;
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
}
section.alt .card { background: var(--bg); }
.card:hover {
  transform: translateY(-3px);
  border-color: var(--green-light);
  box-shadow: 0 10px 28px rgba(26,92,58,0.10);
}
.card-icon {
  margin-bottom: 0.9rem;
}
.card-icon svg {
  width: 28px;
  height: 28px;
  color: var(--green);
}
.card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}
.card p {
  color: var(--muted);
  font-size: 0.94rem;
}

/* ── ABOUT ────────────────────────────────────────────────── */
.about-inner { max-width: 46rem; }
.about-text p { color: var(--muted); margin-bottom: 1.5rem; }
.about-links {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.pill-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  background: var(--bg-1);
}
.pill-link:hover {
  border-color: var(--green-light);
  color: var(--green);
  background: var(--bg-2);
}
.mono { font-family: var(--font-mono); }

/* ── CONTACT ──────────────────────────────────────────────── */
.contact-inner { max-width: 40rem; }
.contact-copy { color: var(--muted); margin-bottom: 2rem; font-size: 1.05rem; }

/* ── FOOTER ───────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  background: var(--bg-1);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--muted);
}