/* Herbavita-Swiss GmbH — landing.
   Design system shared with HerbaAnalytica (herbavita-analytica.vercel.app):
   cream canvas, sage/teal accents, forest bands. No glow/neon, no text chips. */

:root {
  --forest:   #1f3d2f;
  --forest-2: #14342a;
  --sage:     #84a98c;
  --sage-soft:#c9dccf;
  --sage-cta: #2e7d52;
  --sage-cta-hover:#27664a;
  --teal:     #0f9aa8;
  --cream:    #f7f4ec;
  --cream-2:  #efeadd;
  --white:    #ffffff;
  --ink:      #19211d;
  --muted:    #5c6b61;
  --line:     rgba(31, 61, 47, 0.12);
  --line-strong: rgba(31, 61, 47, 0.22);

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  --radius: 16px;
  --radius-sm: 10px;
  --maxw: 1180px;
  --gutter: clamp(1.1rem, 4vw, 2.5rem);
  --section-y: clamp(3.5rem, 8vw, 6.5rem);
  --shadow: 0 1px 2px rgba(20, 52, 42, 0.04), 0 12px 32px rgba(20, 52, 42, 0.06);
  --shadow-hover: 0 2px 6px rgba(20, 52, 42, 0.06), 0 20px 44px rgba(20, 52, 42, 0.1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--ink);
  line-height: 1.6;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--forest);
  margin: 0 0 0.5em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.3rem, 5.2vw, 3.7rem); }
h2 { font-size: clamp(1.8rem, 3.6vw, 2.6rem); }
h3 { font-size: clamp(1.15rem, 1.8vw, 1.35rem); }

p { margin: 0 0 1rem; }
a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; display: block; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section-y); }
.section-alt { background: var(--cream-2); }
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sage-cta);
  margin: 0 0 0.9rem;
  font-weight: 500;
}
.lead { font-size: clamp(1.05rem, 1.6vw, 1.2rem); color: var(--muted); max-width: 60ch; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 0.98rem;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
  text-decoration: none;
  line-height: 1;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--sage-cta); color: #fff; }
.btn-primary:hover { background: var(--sage-cta-hover); color: #fff; }
.btn-ghost { background: transparent; color: var(--forest); border-color: var(--line-strong); }
.btn-ghost:hover { border-color: var(--forest); }
.btn-light { background: rgba(255,255,255,0.12); color: #fff; border-color: rgba(255,255,255,0.4); }
.btn-light:hover { background: rgba(255,255,255,0.22); color: #fff; }

.band-dark { background: var(--forest); color: #e9f0ea; }
.band-dark h2, .band-dark h3 { color: #fff; }
.band-dark .lead { color: #b8ccbd; }

:focus-visible { outline: 3px solid var(--teal); outline-offset: 2px; border-radius: 4px; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 0.5rem; top: -3rem; z-index: 100;
  background: var(--forest); color: #fff; padding: 0.6rem 1rem; border-radius: var(--radius-sm);
  transition: top .15s ease;
}
.skip-link:focus { top: 0.5rem; }

/* ─── Nav ─── */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247, 244, 236, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; gap: 1.5rem; min-height: 72px; }
.brand { display: inline-flex; align-items: center; }
.brand img { height: 44px; width: auto; }
.nav-links { display: flex; gap: 1.4rem; margin-inline: auto; }
.nav-links a { color: var(--ink); font-size: 0.95rem; font-weight: 500; }
.nav-links a:hover { color: var(--sage-cta); text-decoration: none; }
.nav-links a[aria-current="page"] { color: var(--sage-cta); }
.nav-toggle { display: none; background: none; border: 0; color: var(--forest); cursor: pointer; padding: 0.3rem; }
.nav-mobile { display: none; flex-direction: column; gap: 0.4rem; padding: 1rem var(--gutter) 1.4rem; border-top: 1px solid var(--line); background: var(--cream); }
.nav-mobile a { padding: 0.5rem 0; font-weight: 500; color: var(--ink); }

@media (max-width: 860px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: inline-flex; margin-inline-start: auto; }
  .nav-mobile.is-open { display: flex; }
}

/* ─── Hero ─── */
.hero {
  position: relative; overflow: hidden;
  display: grid; align-items: center;
  min-height: min(85vh, 700px);
  padding-block: clamp(4rem, 9vw, 6.5rem);
}
.hero-bg { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; object-position: 50% 45%; }
.hero-overlay {
  position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(123deg, rgba(20, 52, 42, 0.92) 20%, rgba(20, 52, 42, 0.62) 55%, rgba(15, 154, 168, 0.38) 100%);
}
.hero-copy { max-width: 46rem; margin-inline: auto; text-align: center; }
.hero-copy .eyebrow { color: var(--sage-soft); }
.hero-copy h1 { margin-top: 0.4rem; color: var(--white); }
.hero-copy .lead { color: rgba(255, 255, 255, 0.88); margin-inline: auto; }
.hero-cta { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 0.8rem; margin-top: 1.8rem; }
.hero.hero-page { min-height: min(48vh, 420px); }
@media (max-width: 860px) { .hero { min-height: 520px; } }

/* ─── Services ─── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.4rem;
  margin-top: 2.4rem;
}
.service-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.8rem 1.6rem;
  display: flex; flex-direction: column;
  transition: box-shadow .2s ease, transform .2s ease;
}
.service-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.service-icon { color: var(--sage-cta); margin-bottom: 1rem; }
.service-card p { color: var(--muted); font-size: 0.97rem; margin-bottom: 0; }
.service-card .service-link { margin-top: auto; padding-top: 1rem; font-weight: 500; font-size: 0.95rem; }

/* ─── Value proposition ─── */
.value-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
  margin-top: 1rem;
}
.checklist { list-style: none; margin: 1.6rem 0 0; padding: 0; display: grid; gap: 0.9rem; }
.checklist li { display: flex; gap: 0.7rem; align-items: flex-start; }
.checklist svg { flex: none; color: var(--sage-cta); margin-top: 0.2rem; }
.journey { list-style: none; margin: 0; padding: 0; counter-reset: step; display: grid; gap: 0; }
.journey li {
  counter-increment: step;
  display: flex; gap: 1rem; align-items: baseline;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}
.journey li:last-child { border-bottom: 0; }
.journey li::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--teal);
  flex: none;
}
.journey strong { font-family: var(--font-display); font-weight: 600; color: var(--forest); display: block; }
.journey span { color: var(--muted); font-size: 0.94rem; }
@media (max-width: 860px) { .value-grid { grid-template-columns: 1fr; } }

/* ─── CTA band ─── */
.cta-band { text-align: center; }
.cta-band .lead { margin-inline: auto; }
.cta-band .hero-cta { margin-top: 1.6rem; }

/* ─── Contact ─── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: clamp(2rem, 5vw, 4rem);
  margin-top: 2.4rem;
  align-items: start;
}
.contact-info dl { margin: 0; display: grid; gap: 1.2rem; }
.contact-info dt {
  font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 0.25rem;
}
.contact-info dd { margin: 0; }
.contact-form {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.8rem;
  display: grid; gap: 1rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.field { display: grid; gap: 0.35rem; }
.field label { font-size: 0.88rem; font-weight: 500; color: var(--forest); }
.field input, .field textarea {
  font: inherit; color: var(--ink);
  background: var(--cream);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.9rem;
  width: 100%;
}
.field input:focus, .field textarea:focus { outline: 2px solid var(--teal); outline-offset: 0; border-color: transparent; }
.field textarea { min-height: 130px; resize: vertical; }
.contact-form .btn { justify-self: start; }
.form-note { font-size: 0.85rem; color: var(--muted); margin: 0; }
@media (max-width: 860px) {
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

/* ─── About page ─── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.about-grid figure { margin: 0; }
.about-grid img { border-radius: var(--radius); box-shadow: var(--shadow); }
.about-grid figcaption { font-size: 0.85rem; color: var(--muted); margin-top: 0.7rem; }
@media (max-width: 860px) { .about-grid { grid-template-columns: 1fr; } }

/* ─── Footer ─── */
.footer { background: var(--forest-2); color: #b8ccbd; padding-block: 3.2rem 2.2rem; }
.footer-grid { display: flex; flex-wrap: wrap; gap: 2.5rem; justify-content: space-between; align-items: flex-start; }
.footer-brand img { height: 64px; width: auto; margin-bottom: 1rem; }
.footer address { font-style: normal; line-height: 1.7; }
.footer h3 { color: #fff; font-size: 1rem; margin-bottom: 0.8rem; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.45rem; }
.footer a { color: #d9e6dc; }
.footer a:hover { color: #fff; }
.footer-bottom {
  margin-top: 2.5rem; padding-top: 1.4rem;
  border-top: 1px solid rgba(255,255,255,0.14);
  font-size: 0.85rem;
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between;
}

/* Scroll reveal (progressive enhancement) */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
}