/* ==========================================================================
   REBERI ABOGADOS — Global Stylesheet
   Tokens, reset, navegación, footer y componentes compartidos
   Paleta oficial según Brand Book (Septiembre 2023)
   ========================================================================== */

/* ── FUENTES ─────────────────────────────────────────────────────────────── */
/* Primaria: Outfit (alternativa web a "Garet") — geométrica, minimalista, fuerte
   Secundaria: Inter (alternativa web a "Arial Narrow") — legibilidad en cuerpo */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

/* ── TOKENS DE MARCA ─────────────────────────────────────────────────────── */
:root {
  /* Brand — Pantone 7551C */
  --gold: #c18f2c;
  --gold-bright: #d9a945;
  --gold-dim: #8b6820;

  /* Azul petróleo (color firma) */
  --petrol: #1d424a;
  --petrol-deep: #13303a;
  --petrol-soft: #245560;

  /* Azul marino secundario */
  --navy: #384965;

  /* Beige/tan cálido */
  --tan: #c6ac79;
  --tan-soft: #d8c299;

  /* Neutros */
  --cream: #f5f1e8;
  --cream-dim: rgba(245, 241, 232, 0.72);
  --cream-mute: rgba(245, 241, 232, 0.55);
  --cream-faint: rgba(245, 241, 232, 0.32);
  --ink: #0a1619;

  /* Bordes */
  --border: rgba(245, 241, 232, 0.12);
  --border-gold: rgba(193, 143, 44, 0.32);

  /* Sistema */
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 14px;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --t: 0.3s;
  --t-slow: 0.6s;
  --nav-h: 80px;

  /* Tipografía */
  --font-display: 'Outfit', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background: var(--petrol);
  color: var(--cream);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

/* ── SCROLLBAR ───────────────────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--petrol-deep);
}

::-webkit-scrollbar-thumb {
  background: var(--gold-dim);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gold);
}

::selection {
  background: var(--gold);
  color: var(--petrol-deep);
}

/* ── LAYOUT ──────────────────────────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

.section {
  padding: clamp(4rem, 10vw, 7rem) 0;
  position: relative;
}

.section-alt {
  background: var(--petrol-deep);
}

.section-cream {
  background: var(--cream);
  color: var(--ink);
}

/* ── NAVEGACIÓN ──────────────────────────────────────────────────────────── */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(10, 22, 25, 0.85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(193, 143, 44, 0.18),
              0 12px 32px rgba(0, 0, 0, 0.25);
  transition: background var(--t) var(--ease),
              box-shadow var(--t) var(--ease);
}

.site-nav.scrolled {
  background: rgba(7, 16, 19, 0.96);
  box-shadow: 0 1px 0 rgba(193, 143, 44, 0.28),
              0 18px 44px rgba(0, 0, 0, 0.4);
}

.nav-inner {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.nav-logo-img {
  height: 44px;
  width: auto;
  object-fit: contain;
  /* Logo original negro → invertimos para blanco sobre fondo petróleo */
  filter: brightness(0) invert(1);
  transition: opacity var(--t);
}

.nav-logo-img:hover {
  opacity: 0.82;
}

.nav-brand-text {
  display: none;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.18em;
  font-size: 0.95rem;
  color: var(--cream);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  padding: 0.55rem 1rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cream-dim);
  border-radius: var(--radius-sm);
  transition: color var(--t), background var(--t);
}

.nav-link:hover,
.nav-link.active {
  color: var(--cream);
  background: rgba(245, 241, 232, 0.06);
}

.nav-link.active {
  color: var(--gold);
}

.nav-cta {
  margin-left: 0.75rem;
  padding: 0.7rem 1.4rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-sm);
  transition: background var(--t), color var(--t), border-color var(--t);
}

.nav-cta:hover {
  background: var(--gold);
  color: var(--petrol-deep);
  border-color: var(--gold);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--cream);
  border-radius: 2px;
  transition: transform var(--t) var(--ease),
              opacity var(--t) var(--ease);
}

.nav-hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-drawer {
  position: fixed;
  inset: var(--nav-h) 0 0;
  background: rgba(19, 48, 58, 0.97);
  backdrop-filter: blur(20px);
  z-index: 199;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.75rem;
}

.nav-drawer.open {
  display: flex;
}

.nav-drawer .nav-link {
  font-size: 1rem;
  letter-spacing: 0.24em;
}

.nav-drawer .nav-cta {
  margin: 0;
  font-size: 0.78rem;
}

/* ── BOTONES ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1rem 2rem;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid transparent;
  transition: background var(--t) var(--ease),
              color var(--t) var(--ease),
              border-color var(--t) var(--ease),
              box-shadow var(--t) var(--ease),
              transform var(--t) var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-gold {
  background: var(--gold);
  color: var(--petrol-deep);
}

.btn-gold:hover {
  background: var(--gold-bright);
  box-shadow: 0 14px 32px rgba(193, 143, 44, 0.28);
}

.btn-outline {
  border-color: var(--cream-faint);
  color: var(--cream);
}

.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border-gold);
  color: var(--gold);
}

.btn-ghost:hover {
  background: var(--gold);
  color: var(--petrol-deep);
  border-color: var(--gold);
}

.btn svg,
.btn .icon {
  transition: transform var(--t) var(--ease);
}

.btn:hover svg,
.btn:hover .icon {
  transform: translateX(3px);
}

/* ── ETIQUETAS Y TÍTULOS DE SECCIÓN ─────────────────────────────────────── */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}

.eyebrow::before {
  content: '';
  display: block;
  width: 28px;
  height: 1px;
  background: var(--gold);
}

.section-title {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 600;
  line-height: 1.1;
  margin-bottom: 1.25rem;
}

.section-title em {
  font-style: italic;
  color: var(--gold);
  font-weight: 400;
}

.section-lead {
  font-size: 1.05rem;
  color: var(--cream-dim);
  max-width: 620px;
  line-height: 1.75;
}

.gold-divider {
  width: 64px;
  height: 2px;
  background: linear-gradient(to right, var(--gold), transparent);
  margin: 1.25rem 0 2rem;
}

.gold-divider.center {
  margin-left: auto;
  margin-right: auto;
}

/* ── CARDS ───────────────────────────────────────────────────────────────── */
.card {
  background: rgba(245, 241, 232, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.25rem;
  transition: border-color var(--t) var(--ease),
              transform var(--t) var(--ease),
              box-shadow var(--t) var(--ease),
              background var(--t) var(--ease);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(to right, var(--gold), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-slow) var(--ease);
}

.card:hover {
  border-color: var(--border-gold);
  background: rgba(245, 241, 232, 0.05);
  transform: translateY(-4px);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.28);
}

.card:hover::before {
  transform: scaleX(1);
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(193, 143, 44, 0.1);
  color: var(--gold);
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
}

.card h3 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
  color: var(--cream);
}

.card p {
  font-size: 0.92rem;
  color: var(--cream-dim);
  line-height: 1.7;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  transition: gap var(--t) var(--ease);
}

.card-link:hover {
  gap: 0.85rem;
}

/* ── FORM CONTROLS ───────────────────────────────────────────────────────── */
.field {
  width: 100%;
  padding: 1rem 0;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  color: var(--cream);
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  transition: border-color var(--t) var(--ease);
}

.field::placeholder {
  color: var(--cream-mute);
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
}

.field:focus {
  outline: none;
  border-bottom-color: var(--gold);
}

textarea.field {
  resize: vertical;
  min-height: 90px;
}

/* ── FOOTER ──────────────────────────────────────────────────────────────── */
.site-footer {
  background: var(--petrol-deep);
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
  color: var(--cream-dim);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.5rem 3rem;
  margin-bottom: 3rem;
}

.footer-brand .nav-logo-img {
  height: 52px;
  margin-bottom: 1.25rem;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--cream-mute);
  max-width: 280px;
  line-height: 1.75;
}

.footer-col h4 {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.25rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-col a,
.footer-col p {
  font-size: 0.88rem;
  color: var(--cream-dim);
  transition: color var(--t) var(--ease);
  line-height: 1.7;
}

.footer-col a:hover {
  color: var(--gold);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.72rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--cream-mute);
}

.footer-bottom a {
  color: var(--cream-mute);
  transition: color var(--t) var(--ease);
}

.footer-bottom a:hover {
  color: var(--gold);
}

/* ── FLOAT WHATSAPP ─────────────────────────────────────────────────────── */
.wa-float {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  z-index: 150;
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.wa-float-btn {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--petrol-deep);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 14px 36px rgba(193, 143, 44, 0.38);
  transition: transform var(--t) var(--ease);
}

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

.wa-float-btn svg {
  width: 28px;
  height: 28px;
}

/* ── ANIMACIÓN AL HACER SCROLL ──────────────────────────────────────────── */
.aos {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--t-slow) var(--ease),
              transform var(--t-slow) var(--ease);
}

.aos.visible {
  opacity: 1;
  transform: translateY(0);
}

.aos-delay-1 { transition-delay: 0.08s; }
.aos-delay-2 { transition-delay: 0.16s; }
.aos-delay-3 { transition-delay: 0.24s; }
.aos-delay-4 { transition-delay: 0.32s; }

/* ── UTILITIES ───────────────────────────────────────────────────────────── */
.text-gold { color: var(--gold); }
.text-tan { color: var(--tan); }
.text-cream { color: var(--cream); }
.text-muted { color: var(--cream-dim); }
.text-center { text-align: center; }
.italic { font-style: italic; }

.bg-petrol { background: var(--petrol); }
.bg-petrol-deep { background: var(--petrol-deep); }
.bg-cream { background: var(--cream); color: var(--ink); }

.grid { display: grid; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }

/* ── PAGE HERO (subpáginas) ──────────────────────────────────────────────── */
.page-hero {
  position: relative;
  padding: calc(var(--nav-h) + 5rem) 0 5rem;
  background:
    radial-gradient(ellipse 60% 70% at 80% 40%, rgba(193, 143, 44, 0.1) 0%, transparent 65%),
    linear-gradient(180deg, var(--petrol) 0%, var(--petrol-deep) 100%);
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(193, 143, 44, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(193, 143, 44, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 90% at 80% 50%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 90% at 80% 50%, black 30%, transparent 100%);
  pointer-events: none;
}

.page-hero-content {
  position: relative;
  max-width: 780px;
}

.page-hero-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cream-mute);
  margin-bottom: 1.5rem;
}

.page-hero-breadcrumb a {
  transition: color var(--t) var(--ease);
}

.page-hero-breadcrumb a:hover {
  color: var(--gold);
}

.page-hero-breadcrumb .current {
  color: var(--gold);
}

.page-hero h1 {
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  margin-bottom: 1.5rem;
}

.page-hero h1 em {
  font-style: italic;
  color: var(--gold);
  font-weight: 400;
}

.page-hero-desc {
  font-size: 1.1rem;
  color: var(--cream-dim);
  max-width: 600px;
  line-height: 1.75;
  margin-bottom: 2rem;
}

.page-hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ── GRID DE SERVICIOS ──────────────────────────────────────────────────── */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

/* ── MÉTRICAS / PASOS ───────────────────────────────────────────────────── */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.step {
  background: var(--petrol-deep);
  padding: 2.5rem 2rem;
  transition: background var(--t) var(--ease);
}

.step:hover {
  background: var(--petrol);
}

.step-num {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 300;
  font-style: italic;
  color: var(--gold);
  opacity: 0.4;
  margin-bottom: 1.5rem;
}

.step h5 {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
}

.step p {
  font-size: 0.88rem;
  color: var(--cream-dim);
  line-height: 1.7;
}

/* ── RELATED AREAS (subpáginas) ─────────────────────────────────────────── */
.related-areas {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.related-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 1.3rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--cream-dim);
  transition: border-color var(--t) var(--ease),
              color var(--t) var(--ease),
              background var(--t) var(--ease);
}

.related-card:hover {
  border-color: var(--border-gold);
  color: var(--gold);
  background: rgba(193, 143, 44, 0.06);
}

/* ── RESPONSIVE ──────────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .related-areas {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-h: 68px;
  }

  .nav-logo-img {
    height: 38px;
  }

  .nav-links,
  .site-nav .nav-cta {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .steps-grid,
  .related-areas {
    grid-template-columns: 1fr;
  }

  .page-hero {
    padding-top: calc(var(--nav-h) + 3.5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  .aos {
    opacity: 1;
    transform: none;
  }
}