:root {
  --bg: #f6f3ee;
  --surface: rgba(255,255,255,.88);
  --text: #1f2a24;
  --muted: #68736d;
  --accent: #215b45;
  --accent-dark: #174232;
  --wa: #25d366;
  --wa-dark: #128c4a;
  --shadow: 0 20px 60px rgba(26, 52, 40, .14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 20%, rgba(33,91,69,.13), transparent 34%),
    radial-gradient(circle at 85% 80%, rgba(33,91,69,.09), transparent 28%),
    var(--bg);
}

.page-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 18px 100px;
}

.hero {
  width: min(980px, 100%);
  min-height: 560px;
  display: grid;
  place-items: center;
  padding: clamp(28px, 6vw, 72px);
  border: 1px solid rgba(33,91,69,.12);
  border-radius: 32px;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
}

.hero__content { max-width: 720px; text-align: center; }
.eyebrow {
  display: inline-block;
  margin-bottom: 16px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(33,91,69,.09);
  color: var(--accent);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.3rem, 7vw, 5.5rem);
  line-height: .98;
  letter-spacing: -.045em;
}

.hero__text {
  margin: 24px auto 30px;
  color: var(--muted);
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.7;
}

.whatsapp-button,
.whatsapp-float {
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.whatsapp-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 54px;
  padding: 15px 22px;
  border-radius: 14px;
  background: var(--wa);
  color: #fff;
  font-weight: 800;
  box-shadow: 0 12px 30px rgba(18,140,74,.25);
}

.whatsapp-button:hover,
.whatsapp-button:focus-visible {
  transform: translateY(-2px);
  background: var(--wa-dark);
  box-shadow: 0 16px 34px rgba(18,140,74,.32);
}

.whatsapp-icon { font-size: 1.2rem; }

.whatsapp-float {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 50;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 54px;
  padding: 14px 18px;
  border-radius: 999px;
  background: var(--wa);
  color: #fff;
  font-weight: 800;
  box-shadow: 0 14px 34px rgba(18,140,74,.34);
}

.whatsapp-float:hover,
.whatsapp-float:focus-visible {
  transform: translateY(-2px) scale(1.02);
  background: var(--wa-dark);
}

@media (max-width: 560px) {
  .hero { min-height: 72vh; border-radius: 24px; }
  .whatsapp-button { width: 100%; }
  .whatsapp-float { right: 14px; bottom: 14px; }
  .whatsapp-float__text { display: none; }
  .whatsapp-float { width: 56px; justify-content: center; padding: 0; }
}