/* ==========================================================================
   MATIAUDA & ASOCIADOS — Sistema de diseño
   Negro/Dorado premium — Firma jurídica boutique corporativa
   ========================================================================== */

:root {
  /* Paleta obligatoria */
  --c-black-1: #0A0A0A;
  --c-black-2: #111111;
  --c-black-3: #1B1B1B;
  --c-gold: #C8A44D;
  --c-gold-deep: #B8860B;
  --c-white: #FFFFFF;
  --c-white-soft: #F4F2EC;
  --c-gray-text: #B9B9B9;
  --c-line: rgba(200, 164, 77, 0.22);

  /* Tipografía */
  --f-display: 'Playfair Display', 'Cormorant Garamond', serif;
  --f-serif-alt: 'Cormorant Garamond', serif;
  --f-sans: 'Inter', 'Montserrat', sans-serif;

  /* Espaciado */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 32px;
  --space-lg: 64px;
  --space-xl: 96px;
  --space-2xl: 140px;

  --radius-sm: 2px;
  --radius-md: 4px;
  --nav-height: 90px;
  --topbar-height: 42px;
  --container-w: 1240px;
  --container-w-nav: 1372px;

  --shadow-card: 0 24px 60px -20px rgba(0,0,0,0.6);
  --transition: 220ms cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--c-black-1);
  color: var(--c-white-soft);
  font-family: var(--f-sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
svg { width: 1em; height: 1em; flex-shrink: 0; vertical-align: -0.125em; }

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

h1, h2, h3, h4 {
  font-family: var(--f-display);
  font-weight: 600;
  color: var(--c-white);
  line-height: 1.18;
  margin: 0 0 var(--space-sm);
  letter-spacing: 0.2px;
}
h1 { font-size: clamp(2.4rem, 4.4vw, 3.8rem); font-weight: 700; }
h2 { font-size: clamp(1.9rem, 3vw, 2.6rem); }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.1rem; text-transform: uppercase; letter-spacing: 1.5px; }

p { color: var(--c-gray-text); margin: 0 0 var(--space-sm); }
a { color: inherit; text-decoration: none; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--f-sans);
  font-size: 0.78rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--c-gold);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--c-gold); display: inline-block; }

.lede { font-size: 1.15rem; color: var(--c-white-soft); opacity: 0.85; max-width: 720px; }

/* ===== Botones ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 34px;
  font-family: var(--f-sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-gold {
  background: linear-gradient(135deg, var(--c-gold) 0%, var(--c-gold-deep) 100%);
  color: var(--c-black-1);
}
.btn-gold:hover { filter: brightness(1.1); transform: translateY(-1px); box-shadow: 0 10px 30px -8px rgba(200,164,77,0.5); }
.btn-outline {
  background: transparent;
  color: var(--c-white);
  border-color: rgba(255,255,255,0.35);
}
.btn-outline:hover { border-color: var(--c-gold); color: var(--c-gold); }
.btn-whatsapp { background: #1f1f1f; color: var(--c-white); border-color: var(--c-line); }
.btn-whatsapp:hover { border-color: var(--c-gold); color: var(--c-gold); }
.btn-row { display: flex; gap: var(--space-sm); flex-wrap: wrap; }

/* ===== Top bar ===== */
.topbar {
  background: #000000;
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--c-line);
}
.topbar .container { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.topbar-left { display: flex; gap: var(--space-md); }
.topbar-item { display: flex; align-items: center; gap: 8px; font-size: 0.78rem; color: var(--c-gray-text); }
.topbar-item svg { width: 13px; height: 13px; stroke: var(--c-gold); flex-shrink: 0; }
.topbar-item a:hover { color: var(--c-gold); }
.lang-switch { display: flex; align-items: center; gap: 6px; font-size: 0.78rem; font-weight: 600; letter-spacing: 1px; }
.lang-switch a { color: var(--c-gray-text); padding: 2px 4px; }
.lang-switch a.active, .lang-switch a:hover { color: var(--c-gold); }
.lang-switch span { color: rgba(255,255,255,0.25); }

/* ===== Navbar ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background: var(--c-black-1);
  border-bottom: 1px solid var(--c-line);
  display: flex;
  align-items: center;
}
.navbar .container { display: flex; align-items: center; justify-content: space-between; width: 100%; max-width: var(--container-w-nav); gap: var(--space-md); }
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand img { height: 42px; width: auto; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; white-space: nowrap; }
.brand-name { font-family: var(--f-display); font-size: 1.02rem; letter-spacing: 0.5px; color: var(--c-white); font-weight: 700; white-space: nowrap; }
.brand-sub { font-family: var(--f-sans); font-size: 0.6rem; letter-spacing: 1.5px; text-transform: uppercase; color: var(--c-gold); white-space: nowrap; }

/* Ampersand correction: Playfair Display's native "&" is a thin, script-style
   glyph that clashes with the bold caps around it. We substitute a weight-
   and optical-height-matched glyph from the sans family so it reads as a
   quiet connector, not a decorative flourish, wherever the wordmark or
   visible copy uses "&". Color is inherited so it never stands out. */
.amp { font-family: var(--f-sans); font-weight: inherit; font-size: 0.76em; line-height: 1; vertical-align: 0.02em; letter-spacing: 0; color: inherit; }
.brand-sub .amp { font-size: 0.8em; }

.nav-menu { display: flex; align-items: center; gap: clamp(16px, 2vw, 30px); list-style: none; margin: 0; padding: 0; flex-wrap: nowrap; }
.nav-menu li { white-space: nowrap; }
.nav-menu a {
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.3px;
  color: var(--c-white);
  padding: 8px 0;
  position: relative;
  transition: color var(--transition);
  white-space: nowrap;
}
.nav-menu a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 1px;
  background: var(--c-gold);
  transition: width var(--transition);
}
.nav-menu a:hover, .nav-menu a.active { color: var(--c-gold); }
.nav-menu a:hover::after, .nav-menu a.active::after { width: 100%; }
.nav-actions { display: flex; align-items: center; gap: var(--space-sm); flex-shrink: 0; }
.nav-actions .btn-outline { padding: 12px 22px; font-size: 0.74rem; letter-spacing: 1.2px; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 26px; height: 2px; background: var(--c-white); margin: 5px 0; transition: var(--transition); }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  background: var(--c-black-1) url('../img/skyline-hero.svg') center bottom / cover no-repeat;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.75);
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 20% 20%, rgba(200,164,77,0.10), transparent 55%);
}
.hero .container { position: relative; z-index: 2; }
.hero-content { max-width: 760px; }
.hero h1 { margin-bottom: var(--space-sm); }
.hero .lede { margin-bottom: var(--space-md); font-size: 1.2rem; }
.hero-stats { display: flex; gap: var(--space-lg); margin-top: var(--space-xl); flex-wrap: wrap; }
.hero-stat { border-left: 1px solid var(--c-line); padding-left: var(--space-sm); }
.hero-stat strong { display: block; font-family: var(--f-display); font-size: 2rem; color: var(--c-gold); }
.hero-stat span { font-size: 0.78rem; color: var(--c-gray-text); text-transform: uppercase; letter-spacing: 1px; }

/* ===== Page header (páginas internas) ===== */
.page-header {
  position: relative;
  padding: 200px 0 var(--space-xl);
  background: var(--c-black-2) url('../img/skyline-hero.svg') center bottom / cover no-repeat;
  overflow: hidden;
}
.page-header::before { content: ""; position: absolute; inset: 0; background: rgba(0,0,0,0.82); }
.page-header .container { position: relative; z-index: 2; }
.breadcrumb { font-size: 0.78rem; color: var(--c-gray-text); letter-spacing: 1px; text-transform: uppercase; margin-bottom: var(--space-sm); }
.breadcrumb a:hover { color: var(--c-gold); }
.breadcrumb .sep { margin: 0 8px; color: rgba(255,255,255,0.3); }

/* ===== Secciones ===== */
section { padding: var(--space-2xl) 0; }
.section-alt { background: var(--c-black-2); }
.section-head { max-width: 720px; margin-bottom: var(--space-xl); }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.divider { width: 60px; height: 1px; background: var(--c-gold); margin: var(--space-md) 0; }

/* ===== Grids & Cards ===== */
.grid { display: grid; gap: var(--space-md); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--c-black-2);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  transition: border-color var(--transition), transform var(--transition);
}
.card:hover { border-color: var(--c-gold); transform: translateY(-4px); }
.card .icon { width: 44px; height: 44px; margin-bottom: var(--space-sm); }
.card .icon svg { width: 100%; height: 100%; stroke: var(--c-gold); fill: none; stroke-width: 1.2; }
.card h3 { margin-bottom: var(--space-xs); }
.card ul { margin: var(--space-sm) 0 0; padding: 0; list-style: none; }
.card ul li { color: var(--c-gray-text); font-size: 0.92rem; padding: 6px 0; border-top: 1px solid rgba(255,255,255,0.06); }
.card ul li:first-child { border-top: none; }
.card ul li::before { content: "— "; color: var(--c-gold); }
.card-link { display: inline-flex; align-items: center; gap: 8px; margin-top: var(--space-sm); font-size: 0.82rem; letter-spacing: 1px; text-transform: uppercase; color: var(--c-gold); font-weight: 600; }

/* Split layout image + text */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-xl); align-items: center; }
.split.reverse .split-media { order: 2; }
.split-media { position: relative; }
.split-media .frame {
  position: relative;
  border: 1px solid var(--c-gold);
  padding: 14px;
}
.split-media .frame img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(35%) contrast(1.08); }
.split-media.abstract {
  aspect-ratio: 4/3;
  border: 1px solid var(--c-line);
  background: linear-gradient(135deg, var(--c-black-3), var(--c-black-1));
  display: flex; align-items: center; justify-content: center;
  position: relative;
  overflow: hidden;
}
.split-media.abstract::before {
  content: "";
  position: absolute; inset: 0;
  background-image: url('../img/pattern-lines.svg');
  opacity: 0.5;
}
.split-media.abstract .abstract-mark { position: relative; z-index: 1; width: 90px; opacity: 0.9; }
.split-media.abstract .abstract-icon { position: relative; z-index: 1; width: 128px; height: 128px; opacity: 0.88; }
.split-media.abstract .abstract-icon svg { width: 100%; height: 100%; stroke: var(--c-gold); fill: none; stroke-width: 0.75; }

/* Section-specific corporate illustrations (replace repeated logo marks) */
.split-media.illus {
  aspect-ratio: 4/3;
  border: 1px solid var(--c-gold);
  position: relative;
  overflow: hidden;
  background-size: cover;
  background-position: center;
}
.split-media.illus::after {
  content: "";
  position: absolute; inset: 0;
  box-shadow: inset 0 0 60px 10px rgba(0,0,0,0.55);
  pointer-events: none;
}
.split-media.illus.boardroom { background-image: url('../img/illus-boardroom.svg'); }
.split-media.illus.contract { background-image: url('../img/illus-contract.svg'); }
.split-media.illus.towers { background-image: url('../img/illus-towers.svg'); }

/* Team-photo portrait used as content imagery outside the Equipo grid */
.split-media.portrait {
  aspect-ratio: 4/3;
  border: 1px solid var(--c-gold);
  overflow: hidden;
}
.split-media.portrait img { width: 100%; height: 100%; object-fit: cover; object-position: top center; }

/* ===== Stat / trust bar ===== */
.trustbar { background: var(--c-black-2); border-top: 1px solid var(--c-line); border-bottom: 1px solid var(--c-line); padding: var(--space-lg) 0; }
.trustbar .grid-4 { text-align: center; }
.trust-item { display: flex; flex-direction: column; align-items: center; }
.trust-icon { width: 40px; height: 40px; margin-bottom: 12px; }
.trust-icon svg { width: 100%; height: 100%; stroke: var(--c-gold); fill: none; stroke-width: 1.2; }
.trustbar span { font-size: 0.78rem; color: var(--c-gray-text); text-transform: uppercase; letter-spacing: 1px; }

.check-ico { display: inline-flex; width: 16px; height: 16px; margin-right: 6px; vertical-align: -3px; }
.check-ico svg { width: 100%; height: 100%; stroke: var(--c-gold); fill: none; stroke-width: 2; }

/* ===== Equipo ===== */
.team-card { text-align: left; }
.team-photo { position: relative; border: 1px solid var(--c-gold); padding: 10px; margin-bottom: var(--space-sm); }
.team-photo { overflow: hidden; }
.team-photo img { width: 100%; aspect-ratio: 3/3.6; object-fit: cover; transition: transform var(--transition); }
.team-card:hover .team-photo img { transform: scale(1.045); }
.team-role { color: var(--c-gold); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 8px; display: block; }
.team-bio { font-size: 0.92rem; }

/* ===== Testimonios ===== */
.quote-block { border-left: 2px solid var(--c-gold); padding-left: var(--space-md); font-family: var(--f-serif-alt); font-size: 1.4rem; font-style: italic; color: var(--c-white); }

/* ===== CTA banda ===== */
.cta-band {
  background: linear-gradient(120deg, var(--c-black-3), var(--c-black-1));
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  text-align: center;
  padding: var(--space-2xl) 0;
}
.cta-band h2 { margin-bottom: var(--space-sm); }
.cta-band .btn-row { justify-content: center; }

/* ===== FAQ ===== */
.faq-item { border-bottom: 1px solid var(--c-line); padding: var(--space-md) 0; }
.faq-item summary { cursor: pointer; font-family: var(--f-display); font-size: 1.1rem; color: var(--c-white); list-style: none; display: flex; justify-content: space-between; align-items: center; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--c-gold); font-size: 1.4rem; margin-left: var(--space-sm); }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { margin-top: var(--space-sm); }

/* ===== Formulario de contacto ===== */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-sm); }
.form-grid .full { grid-column: 1 / -1; }
label { display: block; font-size: 0.78rem; letter-spacing: 1px; text-transform: uppercase; color: var(--c-gray-text); margin-bottom: 6px; }
input, select, textarea {
  width: 100%;
  background: var(--c-black-2);
  border: 1px solid var(--c-line);
  color: var(--c-white);
  padding: 13px 16px;
  font-family: var(--f-sans);
  font-size: 0.92rem;
  border-radius: var(--radius-sm);
  transition: border-color var(--transition);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--c-gold); }
textarea { min-height: 130px; resize: vertical; }
.form-note { font-size: 0.78rem; color: var(--c-gray-text); margin-top: var(--space-sm); }

/* ===== Oficina / Mapa ===== */
.office-split { display: grid; grid-template-columns: 6fr 4fr; gap: 0; border: 1px solid var(--c-line); }
.office-map { position: relative; }
.office-map iframe { width: 100%; height: 100%; min-height: 460px; border: 0; display: block; }
.office-map::after {
  content: "";
  position: absolute; inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px var(--c-gold);
}
.office-info { background: var(--c-black-2); padding: var(--space-lg); }
.office-info .item { display: flex; gap: 14px; margin-bottom: var(--space-md); align-items: flex-start; }
.office-info .item svg { width: 20px; height: 20px; stroke: var(--c-gold); flex-shrink: 0; margin-top: 3px; }
.office-info .item strong { display: block; color: var(--c-white); font-size: 0.92rem; }
.office-info .item span, .office-info .item a { color: var(--c-gray-text); font-size: 0.9rem; }

/* ===== Blog ===== */
.blog-card .meta { font-size: 0.75rem; color: var(--c-gold); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 10px; }
.blog-card h3 { font-size: 1.2rem; }
.blog-thumb { aspect-ratio: 16/10; background: linear-gradient(135deg, var(--c-black-3), var(--c-black-1)); border: 1px solid var(--c-line); margin-bottom: var(--space-sm); position: relative; overflow: hidden; }
.blog-thumb::before { content: ""; position: absolute; inset: 0; background-image: url('../img/pattern-lines.svg'); opacity: 0.4; }

/* ===== Footer ===== */
footer { background: #000000; border-top: 1px solid var(--c-line); padding: var(--space-xl) 0 var(--space-md); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.3fr; gap: var(--space-lg); margin-bottom: var(--space-xl); }
.footer-brand .brand { margin-bottom: var(--space-sm); }
.footer-brand p { font-size: 0.88rem; max-width: 320px; }
.footer-col h4 { color: var(--c-gold); font-size: 0.78rem; margin-bottom: var(--space-sm); }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 0.88rem; color: var(--c-gray-text); }
.footer-col a:hover { color: var(--c-gold); }
.footer-bottom { border-top: 1px solid var(--c-line); padding-top: var(--space-md); display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-sm); font-size: 0.76rem; color: rgba(255,255,255,0.35); }
.social-row { display: flex; gap: var(--space-sm); }
.social-row a { width: 34px; height: 34px; border: 1px solid var(--c-line); border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.social-row a:hover { border-color: var(--c-gold); }
.social-row svg { width: 15px; height: 15px; stroke: var(--c-white); }

/* ===== WhatsApp flotante ===== */
.whatsapp-float {
  position: fixed;
  right: 26px; bottom: 26px;
  z-index: 200;
  display: flex; align-items: center; gap: 10px;
  background: #1f1f1f;
  border: 1px solid var(--c-gold);
  color: var(--c-white);
  padding: 14px 20px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.4px;
  box-shadow: 0 14px 34px -10px rgba(0,0,0,0.7);
  transition: var(--transition);
}
.whatsapp-float:hover { background: var(--c-gold); color: var(--c-black-1); border-color: var(--c-gold); }
.whatsapp-float svg { width: 20px; height: 20px; flex-shrink: 0; }

/* ===== Breadcrumb schema visual / misc ===== */
.tag-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: var(--space-md); }
.tag { border: 1px solid var(--c-line); color: var(--c-gray-text); font-size: 0.76rem; padding: 6px 14px; border-radius: 30px; letter-spacing: 0.5px; }

/* ===== Responsive ===== */
@media (max-width: 1480px) {
  .nav-actions .btn-outline { display: none; }
}

@media (max-width: 980px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .split, .office-split { grid-template-columns: 1fr; }
  .split-media { order: -1 !important; }
}

@media (max-width: 1070px) {
  .nav-menu {
    position: fixed;
    top: calc(var(--nav-height) + var(--topbar-height));
    left: 0; right: 0; bottom: 0;
    background: var(--c-black-1);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-lg) var(--space-md);
    gap: var(--space-md);
    transform: translateX(100%);
    transition: transform var(--transition);
    overflow-y: auto;
  }
  .nav-menu li { white-space: normal; }
  .nav-menu.open { transform: translateX(0); }
  .nav-toggle { display: block; }
}

@media (max-width: 860px) {
  .topbar .topbar-left .topbar-item.hide-mobile { display: none; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .hero { min-height: 82vh; text-align: left; }
  .hero-stats { gap: var(--space-md); }
}

@media (max-width: 560px) {
  .grid-4 { grid-template-columns: 1fr; }
  .page-header { padding: 160px 0 var(--space-lg); }
  .whatsapp-float span.wa-text { display: none; }
  .whatsapp-float { padding: 14px; border-radius: 50%; }
}

@media (max-width: 480px) {
  .navbar .container, .topbar .container { padding: 0 var(--space-sm); }
  .brand img { height: 34px; }
  .brand-name { font-size: 0.86rem; }
  .brand-sub { font-size: 0.5rem; letter-spacing: 1px; }
}