/* ============================================================
   ASTORO — Layout estructural (header, footer, hero, botón flotante)
   ============================================================ */

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: var(--z-header);
  padding-block: var(--space-3);
  transition: background-color var(--transition-mid), padding var(--transition-mid),
    box-shadow var(--transition-mid);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-header.is-scrolled {
  background-color: rgba(27, 38, 32, 0.92);
  backdrop-filter: blur(10px);
  padding-block: var(--space-2);
  box-shadow: 0 8px 24px -12px rgba(0, 0, 0, 0.4);
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  letter-spacing: 0.22em;
  color: var(--text-on-dark);
  font-weight: 600;
}

.logo span {
  color: var(--color-accent-100);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.nav-links {
  display: flex;
  gap: var(--space-4);
}

.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-on-dark-muted);
  position: relative;
  padding-block: 0.3rem;
  transition: color var(--transition-fast);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-accent-100);
  transition: width var(--transition-fast);
}

.nav-links a:hover {
  color: var(--text-on-dark);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 26px;
}

.nav-toggle span {
  height: 2px;
  background: var(--text-on-dark);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--space-7);
  background:
    radial-gradient(circle at 85% 15%, rgba(185, 120, 74, 0.16) 0, transparent 45%),
    radial-gradient(circle at 10% 85%, rgba(58, 82, 69, 0.5) 0, transparent 50%),
    linear-gradient(160deg, var(--color-green-800), var(--color-green-900));
  overflow: hidden;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-6);
  align-items: center;
}

.hero-content h1 {
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  color: var(--text-on-dark);
  margin-bottom: var(--space-3);
}

.hero-content h1 em {
  font-style: normal;
  color: var(--color-accent-100);
}

.hero-content p.hero-lead {
  font-size: 1.1rem;
  color: var(--text-on-dark-muted);
  max-width: 520px;
  margin-bottom: var(--space-4);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.hero-trust {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: var(--space-4);
}

.hero-trust-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  max-width: 190px;
}

.hero-trust-item svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent-100);
  flex-shrink: 0;
  margin-top: 2px;
}

.hero-trust-item span {
  font-size: 0.82rem;
  color: var(--text-on-dark-muted);
  line-height: 1.35;
}

/* Panel visual decorativo del hero (sin fotos falsas: composición geométrica de marca) */
.hero-visual {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, var(--color-green-700), var(--color-green-900) 70%);
  border: 1px solid rgba(250, 247, 240, 0.1);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    135deg,
    rgba(250, 247, 240, 0.04) 0px,
    rgba(250, 247, 240, 0.04) 1px,
    transparent 1px,
    transparent 34px
  );
}

.hero-visual-word {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 6vw, 3.4rem);
  letter-spacing: 0.14em;
  color: rgba(250, 247, 240, 0.16);
}

/* ---------- Botón flotante de WhatsApp ---------- */
.whatsapp-float {
  position: fixed;
  right: var(--space-4);
  bottom: var(--space-4);
  z-index: var(--z-float);
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: var(--color-whatsapp);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 14px 30px -8px rgba(37, 211, 102, 0.65);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
}

.whatsapp-float.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.whatsapp-float:hover {
  transform: scale(1.08);
}

.whatsapp-float svg {
  width: 30px;
  height: 30px;
}

.whatsapp-float::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.55);
  animation: whatsapp-pulse 2.6s ease-out infinite;
}

@keyframes whatsapp-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.55);
  }
  80% {
    box-shadow: 0 0 0 22px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-green-900);
  color: var(--text-on-dark-muted);
  padding-block: var(--space-5) var(--space-4);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid rgba(250, 247, 240, 0.12);
}

.footer-brand .logo {
  margin-bottom: var(--space-2);
}

.footer-brand p {
  max-width: 320px;
  font-size: 0.9rem;
}

.footer-col h4 {
  font-family: var(--font-body);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-on-dark);
  margin-bottom: var(--space-3);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-col a {
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--text-on-dark);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-3);
  font-size: 0.82rem;
  flex-wrap: wrap;
  gap: var(--space-2);
}