/* ============================================================
   PIVASA — Landing page informativa
   Distribuidora de Pollo, Cerdo y Derivados — Puerto Maldonado
   Paleta extraída de doc/fondo_web.png (teal + lima + menta)
   ============================================================ */

:root {
  /* ---- Color: marca (de fondo_web.png) ---- */
  --color-primary: hsl(197, 100%, 16%);        /* teal profundo — rgb(0,61,82) */
  --color-primary-light: hsl(190, 62%, 35%);   /* teal medio — rgb(34,127,145) */
  --color-leaf: hsl(177, 45%, 48%);            /* cian-teal — acento secundario */
  --color-leaf-soft: hsl(177, 45%, 94%);
  --color-accent: hsl(98, 44%, 43%);           /* verde lima — franja de acento, CTAs */
  --color-accent-dark: hsl(98, 48%, 35%);
  --color-accent-soft: hsl(98, 45%, 94%);
  --color-tan: hsl(120, 25%, 94%);             /* menta/crema — fondos suaves */
  --color-tan-deep: hsl(150, 18%, 85%);
  --color-river: hsl(198, 55%, 45%);           /* azul agua, detalle mapa */

  /* ---- Color: superficie / texto ---- */
  --color-bg: hsl(150, 22%, 96%);
  --color-surface: hsl(0, 0%, 100%);
  --color-surface-alt: hsl(190, 25%, 97%);
  --color-border: hsl(190, 15%, 88%);
  --color-text-primary: hsl(197, 45%, 10%);
  --color-text-secondary: hsl(210, 70%, 48%);
  --color-text-muted: hsl(212, 45%, 42%);
  --color-text-on-primary: hsl(0, 0%, 100%);

  /* ---- Espaciado (8pt) ---- */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;

  /* ---- Tipografía ---- */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.375rem;
  --text-2xl: 1.75rem;
  --text-3xl: 2.25rem;
  --text-4xl: 3rem;

  /* ---- Radios / sombras ---- */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 3px rgba(0, 40, 52, 0.08), 0 1px 2px rgba(0, 40, 52, 0.05);
  --shadow-md: 0 8px 24px rgba(0, 40, 52, 0.10), 0 2px 6px rgba(0, 40, 52, 0.06);
  --shadow-lg: 0 20px 48px rgba(0, 40, 52, 0.16), 0 6px 16px rgba(0, 40, 52, 0.08);

  /* ---- Layout ---- */
  --container-w: 1180px;
  --header-h: 76px;
  --z-header: 100;
  --z-overlay: 200;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-primary: hsl(45, 92%, 55%);
    --color-primary-light: hsl(45, 85%, 65%);
    --color-bg: hsl(197, 22%, 8%);
    --color-surface: hsl(197, 18%, 11%);
    --color-surface-alt: hsl(197, 18%, 13%);
    --color-border: hsl(197, 14%, 20%);
    --color-text-primary: hsl(150, 15%, 94%);
    --color-text-secondary: hsl(205, 70%, 68%);
    --color-text-muted: hsl(205, 30%, 60%);
    --color-leaf-soft: hsl(177, 25%, 16%);
    --color-accent-soft: hsl(98, 30%, 16%);
    --color-tan: hsl(197, 16%, 14%);
    --color-tan-deep: hsl(197, 14%, 20%);
  }
}

/* ============================================================
   Reset
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  position: relative;
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  background: var(--color-bg);
}
body::before {
  content: "";
  position: fixed;
  inset: -20px;
  z-index: -1;
  background: url('../assets/fondo_web.png') top center / 1600px auto no-repeat;
  filter: saturate(1.2) brightness(1.18);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, hsla(0,0%,100%,0.06) 0%, hsla(150,25%,97%,0.06) 100%);
}
h1, h2, h3, h4, p, ul, figure { margin: 0; }
ul { padding: 0; list-style: none; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
section { position: relative; }

h1, h2, h3, h4 {
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--color-primary);
}

.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: hsl(212, 70%, 32%);
  background: hsl(212, 55%, 93%);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
}

.section-head {
  max-width: 640px;
  margin: 0 auto var(--space-7);
  text-align: center;
}
.section-head h2 { font-size: var(--text-3xl); margin-top: var(--space-3); }
.section-head p {
  margin-top: var(--space-3);
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
}

.underline {
  width: 56px;
  height: 4px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  margin: var(--space-3) auto 0;
}

/* Focus visible accesible */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ============================================================
   Botones
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: var(--text-base);
  border: 1px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease, color 0.15s ease;
  white-space: nowrap;
}
.btn:active { transform: scale(0.98); }

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover { background: var(--color-accent-dark); box-shadow: var(--shadow-md); transform: translateY(-1px); }

.btn-ghost {
  background: transparent;
  color: var(--color-text-on-primary);
  border-color: rgba(255,255,255,0.5);
}
.btn-ghost:hover { background: rgba(255,255,255,0.12); border-color: #fff; }

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
}
.btn-outline:hover { border-color: var(--color-primary); background: var(--color-leaf-soft); }

.btn-admin {
  background: hsl(197, 100%, 16%);
  color: #fff;
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
}
.btn-admin svg { width: 15px; height: 15px; }
.btn-admin:hover { background: hsl(190, 62%, 35%); box-shadow: var(--shadow-sm); transform: translateY(-1px); }

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(10px) saturate(140%);
  border-bottom: 1px solid var(--color-border);
}
@media (prefers-color-scheme: dark) {
  .site-header { background: rgba(15, 23, 18, 0.86); }
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.brand-logo {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: var(--shadow-sm);
}
.brand-name {
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--color-primary);
  letter-spacing: -0.01em;
  line-height: 1.1;
}
.brand-tag {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.header-actions { display: flex; align-items: center; gap: var(--space-4); }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  overflow: hidden;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: var(--space-8);
  padding-top: var(--space-9);
  padding-bottom: var(--space-9);
}

.hero-copy {
  background: hsla(0, 0%, 100%, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.hero-copy h1 {
  font-size: clamp(2.25rem, 4vw, var(--text-4xl));
  margin-top: var(--space-4);
}
.hero-copy h1 .accent { color: var(--color-accent); }
.hero-copy p {
  margin-top: var(--space-4);
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 46ch;
}
.hero-actions {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-6);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: var(--space-7);
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}
.hero-stats .stat-num {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-primary);
}
.hero-stats .stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* --- Ilustración del héro: fondo_web.png real como fondo --- */
.hero-art {
  position: relative;
  aspect-ratio: 4 / 3.3;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: hsl(197, 85%, 18%);
}
.hero-art::before {
  content: "";
  position: absolute;
  inset: -6%;
  background-image: url('../assets/fondo_web.png');
  background-size: 230%;
  background-position: 78% 22%;
  background-repeat: no-repeat;
  filter: blur(6px) saturate(1.15);
  transform: scale(1.05);
}
.hero-art::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(165deg, hsla(197, 88%, 12%, 0.86) 0%, hsla(190, 60%, 24%, 0.72) 55%, hsla(190, 60%, 22%, 0.88) 100%);
}
.hero-art .truck, .hero-art .badge-card { position: relative; z-index: 1; }
.hero-art .truck {
  position: absolute; left: 50%; bottom: 14%; width: 46%;
  transform: translateX(-50%);
  filter: drop-shadow(0 10px 18px rgba(0,20,26,0.4));
}
.hero-art .badge-card {
  position: absolute; right: var(--space-5); top: var(--space-5); left: var(--space-5);
  background: rgba(255,255,255,0.97);
  color: hsl(197, 100%, 16%);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  box-shadow: var(--shadow-md);
  font-size: var(--text-sm); font-weight: 600;
}
.badge-card-head { display: flex; align-items: center; gap: var(--space-3); }
.badge-check {
  width: 34px; height: 34px; flex-shrink: 0;
  display: grid; place-items: center;
  border-radius: 50%;
  background: hsl(98, 45%, 94%);
  color: hsl(98, 48%, 35%);
}
.badge-check svg { width: 18px; height: 18px; }
.badge-card-head small { display: block; font-weight: 400; color: hsl(197, 12%, 46%); font-size: 11px; margin-top: 1px; }
.badge-card-foot {
  display: flex; gap: var(--space-4);
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}
.badge-card-foot span {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 600;
  color: hsl(190, 62%, 35%);
}
.badge-card-foot svg { width: 15px; height: 15px; color: var(--color-accent-dark); }

/* ============================================================
   Nosotros
   ============================================================ */
.about { padding: var(--space-9) 0; }
.about .container {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-8);
  align-items: center;
}
.about-art {
  position: relative;
  border-radius: var(--radius-lg);
  aspect-ratio: 1 / 1;
  background: linear-gradient(155deg, var(--color-leaf-soft), var(--color-tan));
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-md);
}
.about-art .ring {
  width: 68%; aspect-ratio: 1;
  border-radius: 50%;
  border: 2px dashed var(--color-leaf);
  opacity: 0.5;
  display: grid; place-items: center;
}
.about-art svg { width: 46%; color: var(--color-primary); }

.about-copy {
  background: hsla(0, 0%, 100%, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.about-copy h2 { font-size: var(--text-3xl); margin-top: var(--space-3); }
.about-copy p { margin-top: var(--space-4); color: var(--color-text-secondary); font-size: var(--text-base); }

.about-points {
  margin-top: var(--space-6);
  display: grid;
  gap: var(--space-4);
}
.about-point {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}
.about-point .icon-badge { flex-shrink: 0; }
.about-point h4 { font-size: var(--text-base); color: var(--color-text-primary); }
.about-point p { margin-top: 2px; font-size: var(--text-sm); color: var(--color-text-secondary); }

.icon-badge {
  width: 42px; height: 42px;
  border-radius: var(--radius-sm);
  display: grid; place-items: center;
  background: var(--color-leaf-soft);
  color: var(--color-primary);
}
.icon-badge svg { width: 22px; height: 22px; }
.icon-badge.accent { background: var(--color-accent-soft); color: var(--color-accent-dark); }
.icon-badge.tan { background: var(--color-tan-deep); color: var(--color-primary); }

/* ============================================================
   Servicios / Calidad / Testimonios
   ============================================================ */
.services { padding: var(--space-9) 0; }
.services .section-head h2 { color: hsl(45, 92%, 52%); text-shadow: 0 1px 12px hsla(197,80%,10%,0.35); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.service-card .icon-badge { width: 52px; height: 52px; margin-bottom: var(--space-4); }
.service-card h3 { font-size: var(--text-lg); color: hsl(45, 92%, 50%); }
.service-card p { margin-top: var(--space-2); color: var(--color-text-secondary); font-size: var(--text-sm); }

.testimonial-list { margin-top: var(--space-5); display: grid; gap: var(--space-4); }
.testimonial {
  background: var(--color-surface-alt);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}
.testimonial strong { display: block; margin-top: var(--space-2); color: var(--color-text-primary); font-size: var(--text-xs); font-weight: 600; }
.stars { color: var(--color-accent); font-size: var(--text-sm); letter-spacing: 2px; }

/* ============================================================
   Contacto
   ============================================================ */
.contact { padding: var(--space-9) 0; }
.contact .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
}
.contact-info { display: grid; gap: var(--space-4); }
.contact-row {
  display: flex; gap: var(--space-4); align-items: flex-start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}
.contact-row h4 { font-size: var(--text-sm); color: var(--color-text-primary); }
.contact-row p { margin-top: 2px; font-size: var(--text-sm); color: var(--color-text-secondary); }

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: grid;
  gap: var(--space-4);
}
.form-row { display: grid; gap: var(--space-4); grid-template-columns: 1fr 1fr; }
.field { display: grid; gap: var(--space-2); }
.field.full { grid-column: 1 / -1; }
.field label { font-size: var(--text-xs); font-weight: 600; color: var(--color-text-secondary); text-transform: uppercase; letter-spacing: 0.03em; }
.field input, .field textarea {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  font-family: inherit;
  font-size: var(--text-sm);
  background: var(--color-bg);
  color: var(--color-text-primary);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.field input:focus, .field textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
  outline: none;
}
.field textarea { resize: vertical; min-height: 96px; }
.form-note { font-size: var(--text-xs); color: var(--color-text-muted); }

/* ============================================================
   Footer
   ============================================================ */
.site-footer { background: hsla(177, 45%, 94%, 0.75); color: var(--color-text-secondary); padding-top: var(--space-5); }
.site-footer .container { max-width: 760px; }
.footer-grid {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-tan-deep);
}
.footer-col { max-width: 340px; }
.footer-brand { display: flex; gap: var(--space-3); align-items: center; margin-bottom: var(--space-3); }
.footer-brand .brand-name { color: var(--color-primary); }
.footer-col h5 {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.footer-col ul { display: grid; gap: var(--space-3); }
.footer-col a, .footer-col p { font-size: var(--text-sm); color: hsl(212, 55%, 34%); }
.footer-col a:hover { color: var(--color-accent-dark); }
.footer-social { display: flex; gap: var(--space-3); margin-top: var(--space-4); }
.footer-social a {
  width: 36px; height: 36px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--color-surface);
  color: var(--color-primary);
  border: 1px solid var(--color-tan-deep);
  transition: background 0.15s ease, color 0.15s ease, transform 0.15s ease;
}
.footer-social a:hover { background: var(--color-accent); border-color: var(--color-accent); color: #fff; transform: translateY(-2px); }
.footer-social svg { width: 17px; height: 17px; }

.dev-credit {
  text-align: center;
  padding: var(--space-2) var(--space-4);
  font-size: 11px;
  letter-spacing: 0.02em;
  color: hsl(212, 40%, 48%);
  background: hsl(150, 30%, 91%);
  border-top: 1px solid var(--color-tan-deep);
}
.dev-credit a { color: inherit; font-weight: 600; text-decoration: none; }
.dev-credit a:hover { color: var(--color-primary); text-decoration: underline; }

/* ============================================================
   Scroll reveal
   ============================================================ */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero-art { max-width: 560px; margin: 0 auto; }
  .about .container { grid-template-columns: 1fr; }
  .about-art { max-width: 420px; margin: 0 auto; order: -1; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .contact .container { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }

  .hero .container { padding-top: var(--space-7); padding-bottom: var(--space-7); }
  .hero-stats { gap: var(--space-5); flex-wrap: wrap; }
  .services-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { flex-direction: column; }
  .section-head { margin-bottom: var(--space-5); }
  section, .hero, .about, .services, .contact { padding-top: var(--space-7); padding-bottom: var(--space-7); }
}

@media (max-width: 480px) {
  .container { padding: 0 var(--space-4); }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
}

/* ============================================================
   Dark mode — overrides que dependen del orden de cascada
   ============================================================ */
@media (prefers-color-scheme: dark) {
  .hero-copy, .about-copy {
    background: hsla(197, 22%, 10%, 0.8);
  }
}