/* ═══════════════════════════════════════════
   DESIGN TOKENS
═══════════════════════════════════════════ */
:root {
  --cream:        #EDE5CC;
  --cream-dark:   #D4C9A8;
  --cream-warm:   #F2EDDF;
  --carbon:       #1A1A18;
  --carbon-mid:   #2C2C28;
  --carbon-light: #3A3A36;
  --black-deep:   #0F0F0D;
  --text-cream:   #F0EAD8;
  --text-muted:   #BFB89A;
  --text-ghost:   #6B6B5E;
  --text-dark:    #1A1A18;
  --accent:       #A63820;
  --accent-dark:  #7A2A18;
  --green:        #237A6B;
  --green-dark:   #1A5C50;

  --font-display: 'Anton', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --font-mono:    'IBM Plex Mono', monospace;

  --space-xs:  8px;
  --space-sm:  16px;
  --space-md:  24px;
  --space-lg:  48px;
  --space-xl:  80px;
  --space-2xl: 120px;

  --nav-h: 64px;
  --radius: 2px;
  --transition: all 0.2s ease;

  /* ── Theme-aware tokens (dark = default) ── */
  --bg:          var(--carbon);
  --bg-alt:      var(--carbon-mid);
  --bg-surface:  var(--carbon-mid);
  --bg-nav:      rgba(15,15,13,0.96);
  --t1:          var(--text-cream);
  --t2:          var(--text-muted);
  --t3:          var(--text-ghost);
  --border:      var(--carbon-light);
  --card-bg:     var(--carbon-mid);
  --card-hover:  var(--carbon-light);
  --input-bg:    var(--carbon-light);
  --input-text:  var(--text-cream);
}

[data-theme="light"] {
  --bg:         var(--cream-warm);
  --bg-alt:     var(--cream);
  --bg-surface: var(--cream-dark);
  --bg-nav:     rgba(242,237,223,0.97);
  --t1:         var(--text-dark);
  --t2:         #4a4a3e;
  --t3:         var(--text-ghost);
  --border:     var(--cream-dark);
  --card-bg:    var(--cream);
  --card-hover: var(--cream-dark);
  --input-bg:   var(--cream-warm);
  --input-text: var(--text-dark);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--t1);
  overflow-x: hidden;
  line-height: 1.6;
  transition: background 0.3s ease, color 0.3s ease;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea, button { font-family: inherit; font-size: inherit; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap;
}

/* ═══════════════════════════════════════════
   GRAIN TEXTURE
═══════════════════════════════════════════ */
body::after {
  content: '';
  position: fixed; inset: 0;
  pointer-events: none; z-index: 9999;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.1'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

/* ═══════════════════════════════════════════
   TYPOGRAPHY
═══════════════════════════════════════════ */
.text-display {
  font-family: var(--font-display);
  font-size: clamp(44px, 8.5vw, 124px);
  line-height: 0.92;
  letter-spacing: 0.01em;
}
.text-h1 {
  font-family: var(--font-display);
  font-size: clamp(34px, 5.8vw, 88px);
  line-height: 0.95;
}
.text-h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 56px);
  line-height: 1.0;
}
.text-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: inline-block;
}
.text-body  { font-family: var(--font-body); font-size: 15px; line-height: 1.7; font-weight: 300; }
.text-small { font-family: var(--font-body); font-size: 13px; line-height: 1.65; }
.text-mono  { font-family: var(--font-mono); font-size: 13px; }

/* Semantic color helpers */
.accent  { color: var(--accent) !important; }
.green   { color: var(--green) !important; }
.muted   { color: var(--t2) !important; }
.muted-2 { color: var(--t3) !important; }

/* ═══════════════════════════════════════════
   LAYOUT
═══════════════════════════════════════════ */
.container {
  width: 100%; max-width: 1180px;
  margin: 0 auto; padding: 0 var(--space-md);
}

.section {
  padding: var(--space-2xl) 0;
  position: relative;
  background: var(--bg);
  color: var(--t1);
}

.section-alt {
  background: var(--bg-alt);
  position: relative;
  padding: var(--space-2xl) 0;
}

.section-alt::before {
  content: '';
  position: absolute; inset: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.06'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
  z-index: 0;
}
.section-alt > .container { position: relative; z-index: 1; }

/* Section header */
.section-header { margin-bottom: var(--space-lg); }
.section-header .text-label { margin-bottom: var(--space-sm);}
.section-header__sub {
  max-width: 520px;
  margin-top: var(--space-sm);
  color: var(--t3);
}

/* Dividers */
.section-divider {
  display: block; width: 100%;
  height: 2px; background: var(--accent);
}
.section-divider-thin {
  width: 100%; height: 1px;
  background: var(--border); opacity: 0.5;
}

/* ═══════════════════════════════════════════
   HALFTONE DOTS
═══════════════════════════════════════════ */
.halftone-tr {
  position: absolute; top: 0; right: 0;
  width: 180px; height: 180px;
  background-image: radial-gradient(circle, rgba(166,56,32,0.2) 1px, transparent 1px);
  background-size: 12px 12px;
  mask-image: radial-gradient(ellipse at top right, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at top right, black 20%, transparent 70%);
  pointer-events: none; z-index: 0;
}
.halftone-bl {
  position: absolute; bottom: 0; left: 0;
  width: 180px; height: 180px;
  background-image: radial-gradient(circle, rgba(166,56,32,0.15) 1px, transparent 1px);
  background-size: 12px 12px;
  mask-image: radial-gradient(ellipse at bottom left, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at bottom left, black 20%, transparent 70%);
  pointer-events: none; z-index: 0;
}

/* ═══════════════════════════════════════════
   BUTTONS
═══════════════════════════════════════════ */
.btn {
  display: inline-flex; align-items: center; gap: var(--space-xs);
  padding: 11px 22px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase;
  border-radius: var(--radius);
  transition: var(--transition); white-space: nowrap;
  border: 1px solid transparent;
}
.btn--primary {
  background: var(--accent); color: var(--cream-warm);
  border-color: var(--accent);
}
.btn--primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); }

.btn--ghost {
  background: transparent; color: var(--t1);
  border-color: var(--border);
}
.btn--ghost:hover { background: var(--card-hover); }

.btn--full { width: 100%; justify-content: center; }

/* ═══════════════════════════════════════════
   NAVBAR
═══════════════════════════════════════════ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  background: transparent;
  transition: background 0.35s ease, box-shadow 0.35s ease, border-bottom 0.35s ease;
}
.navbar--scrolled {
  background: var(--bg-nav);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 var(--border);
}

.navbar__inner {
  display: flex; align-items: center;
  height: var(--nav-h);
  gap: var(--space-md);
}

.navbar__logo {
  display: flex; align-items: center; gap: 10px;
  color: var(--t1); flex-shrink: 0;
  transition: color 0.2s;
}
.navbar__logo:hover { color: var(--accent); }

.navbar__wordmark {
  font-family: var(--font-display);
  font-size: 16px; letter-spacing: 0.08em;
  color: var(--t1);
}

.navbar__links {
  display: flex; gap: var(--space-lg);
  margin-left: auto;
}
.navbar__links a {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--t2);
  transition: color 0.2s;
}
.navbar__links a:hover { color: var(--accent); }

.navbar__controls {
  display: flex; align-items: center;
  gap: var(--space-sm); margin-left: var(--space-sm);
  flex-shrink: 0;
}

/* Theme toggle */
.theme-toggle {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--t2);
  border: 1px solid var(--border);
  transition: var(--transition);
  padding: 0;
}
.theme-toggle:hover { color: var(--t1); border-color: var(--t2); }
.theme-toggle__icon { width: 16px; height: 16px; }

[data-theme="dark"]  .theme-toggle__moon { display: none; }
[data-theme="dark"]  .theme-toggle__sun  { display: block; }
[data-theme="light"] .theme-toggle__sun  { display: none; }
[data-theme="light"] .theme-toggle__moon { display: block; }

/* Language toggle — filled flag circle */
.lang-toggle {
  width: 32px; height: 32px;
  border-radius: 50%; overflow: hidden;
  padding: 0; border: 2px solid var(--border);
  cursor: pointer; flex-shrink: 0;
  transition: border-color 0.2s;
}
.lang-toggle:hover { border-color: var(--t2); }

.lang-flag {
  display: block; width: 100%; height: 100%;
}
.lang-flag--es {
  background: linear-gradient(
    to bottom,
    #c60b1e 0%, #c60b1e 25%,
    #ffc400 25%, #ffc400 75%,
    #c60b1e 75%, #c60b1e 100%
  );
}
.lang-flag--en {
  background:
    linear-gradient(to bottom,
      #B22234 0%, #B22234 14.3%,
      #f5f5f5 14.3%, #f5f5f5 28.6%,
      #B22234 28.6%, #B22234 42.9%,
      #f5f5f5 42.9%, #f5f5f5 57.1%,
      #B22234 57.1%, #B22234 71.4%,
      #f5f5f5 71.4%, #f5f5f5 85.7%,
      #B22234 85.7%, #B22234 100%
    );
  position: relative;
}
.lang-flag--en::after {
  content: '';
  position: absolute; top: 0; left: 0;
  width: 42%; height: 54%;
  background: #002868;
}

.navbar__cta { flex-shrink: 0; }

/* Hamburger */
.navbar__hamburger {
  display: none; flex-direction: column; gap: 5px;
  padding: 8px; margin-left: 0;
}
.navbar__hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--t1); border-radius: 2px;
  transition: var(--transition);
}
.navbar__hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.navbar__hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  display: none; flex-direction: column; gap: var(--space-md);
  padding: var(--space-md) var(--space-md) var(--space-lg);
  background: var(--bg-nav);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--border);
}
.mobile-menu.is-open { display: flex; }
.mobile-menu ul { display: flex; flex-direction: column; gap: 2px; }
.mobile-menu a {
  font-family: var(--font-mono); font-size: 13px;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--t2); padding: 12px 0;
  border-bottom: 1px solid var(--border);
  display: block; transition: color 0.2s;
}
.mobile-menu a:hover { color: var(--accent); }
.mobile-menu .btn { align-self: flex-start; margin-top: var(--space-xs); }

/* ═══════════════════════════════════════════
   HERO
═══════════════════════════════════════════ */
.hero {
  padding-top: calc(var(--nav-h) + var(--space-sm));
  padding-bottom: var(--space-xl);
  min-height: 100vh;
  display: flex; align-items: center;
  position: relative;
}
.hero > .container { width: 100%; }

.hero__meta {
  display: flex; justify-content: space-between; align-items: center;
  padding-bottom: var(--space-sm);
  flex-wrap: wrap; gap: var(--space-sm);
}

.hero__grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--space-xl); align-items: center;
  padding: var(--space-lg) 0 var(--space-md);
}

.hero__label { margin-bottom: var(--space-sm); }

.hero__headline { color: var(--t1); margin-bottom: var(--space-md); }

.headline--circled { position: relative; display: inline-block; }
.headline--circled::after {
  content: '';
  position: absolute; inset: -6px -14px;
  border: 2.5px solid var(--accent);
  border-radius: 50% 45% 55% 48%;
  transform: rotate(-2deg);
  pointer-events: none;
}

.hero__sub { color: var(--t3); margin-bottom: var(--space-lg); max-width: 420px; }

.hero__ctas { display: flex; gap: var(--space-sm); flex-wrap: wrap; }

/* Hero visual */
.hero__visual-inner {
  position: relative; height: 380px;
}
.number-ghost {
  font-family: var(--font-display); font-size: 160px;
  line-height: 1; color: var(--border);
  position: absolute; top: -10px; right: -10px;
  opacity: 0.3; pointer-events: none; z-index: 0;
}
.bbox {
  position: absolute; top: 30px; left: 10px; right: 30px; bottom: 70px;
  border: 1px solid var(--accent); z-index: 2;
}
.bbox::before, .bbox::after {
  content: ''; position: absolute;
  width: 14px; height: 14px; border-color: var(--accent); border-style: solid;
}
.bbox::before { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.bbox::after  { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }
.bbox__label {
  position: absolute; top: -9px; left: 10px;
  background: var(--bg-alt); padding: 0 6px; color: var(--accent);
}
.hero__img-placeholder {
  position: absolute; top: 50px; left: 30px; right: 50px; bottom: 90px;
  background: var(--card-bg);
  background-image: radial-gradient(circle, rgba(166,56,32,0.1) 1px, transparent 1px);
  background-size: 14px 14px;
  border-radius: var(--radius); z-index: 1;
}
.hero__data-card {
  position: absolute; bottom: 20px; right: 0;
  background: var(--bg);
  border: 1px solid var(--border); border-left: 2px solid var(--accent);
  padding: 10px var(--space-sm);
  display: flex; flex-direction: column; gap: 2px; z-index: 3;
}
.hero__data-card--2 {
  bottom: 20px; right: auto; left: 0;
}
.hero__data-num {
  font-size: 26px; font-family: var(--font-mono);
  line-height: 1; color: var(--t1);
}

.hero__stats {
  display: flex; gap: var(--space-xl);
  padding: var(--space-md) 0;
  flex-wrap: wrap;
}

/* ═══════════════════════════════════════════
   SERVICES GRID
═══════════════════════════════════════════ */
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 1px; background: var(--border);
  border: 1px solid var(--border);
}

.service-card {
  background: var(--card-bg);
  padding: var(--space-md) var(--space-md) var(--space-lg);
  position: relative; display: flex; flex-direction: column; gap: var(--space-sm);
  transition: background 0.2s;
  opacity: 0; transform: translateY(18px);
}
.service-card.is-visible {
  opacity: 1; transform: translateY(0);
  transition: opacity 0.5s ease, transform 0.5s ease, background 0.2s;
}
.service-card:hover { background: var(--card-hover); }

.service-card--premium { background: var(--bg); }
.service-card--premium:hover { background: var(--card-hover); }

.service-card__top {
  display: flex; align-items: center;
  justify-content: space-between; margin-bottom: var(--space-xs);
}
.service-card__num { line-height: 1; }
.service-card__icon { color: var(--t3); flex-shrink: 0; }
.service-card:hover .service-card__icon { color: var(--t1); }

.service-card__title {
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 24px);
  color: var(--t1); line-height: 1.1;
}
.service-card__desc { flex: 1; }
.service-card__list {
  display: flex; flex-direction: column; gap: 4px;
}

.premium-badge {
  position: absolute; top: var(--space-sm); right: var(--space-sm);
  font-family: var(--font-mono); font-size: 9px;
  letter-spacing: 0.12em; text-transform: uppercase;
  background: var(--green); color: var(--cream-warm);
  padding: 3px 7px;
}

.price-badge {
  display: inline-block; font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.06em;
  color: var(--t1); border: 1px solid var(--border);
  padding: 4px 10px; margin-top: auto;
}
.price-badge--warm { color: var(--green); border-color: var(--green); }

/* ═══════════════════════════════════════════
   NOSOTROS / ABOUT
═══════════════════════════════════════════ */
.about-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--space-xl); align-items: start;
}
.about-text .text-label { margin-bottom: var(--space-md); }
.about-text .text-h1 { margin-bottom: var(--space-md); }
.about-text .text-body + .text-body { margin-top: var(--space-sm); }

.about-quote {
  margin-top: var(--space-lg);
  padding-left: var(--space-md);
  border-left: 2px solid var(--accent);
  font-family: var(--font-display);
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.3;
  color: var(--t1);
  font-style: normal;
}

.credentials-table { border-top: 1px solid var(--border); }
.credentials-row {
  display: grid; grid-template-columns: 150px 1fr;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border);
  align-items: baseline;
  opacity: 0; transform: translateX(-12px);
}
.credentials-row.is-visible {
  opacity: 1; transform: translateX(0);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.about-stats {
  display: flex; gap: var(--space-xl);
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border);
}
.about-stat {
  display: flex; flex-direction: column; gap: 4px;
  opacity: 0; transform: translateY(12px);
}
.about-stat.is-visible {
  opacity: 1; transform: translateY(0);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.about-stat .text-h2 { font-family: var(--font-display); }

/* ═══════════════════════════════════════════
   PROCESS
═══════════════════════════════════════════ */
.process-steps {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--border);
  border: 1px solid var(--border);
}
.process-step {
  background: var(--card-bg);
  padding: var(--space-lg) var(--space-md);
  opacity: 0; transform: translateY(14px);
}
.process-step.is-visible {
  opacity: 1; transform: translateY(0);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.process-step__num { font-size: 13px; margin-bottom: var(--space-sm); }
.process-step__title {
  font-family: var(--font-display);
  font-size: clamp(16px, 1.8vw, 22px);
  color: var(--t1); margin-bottom: var(--space-xs);
  line-height: 1.1;
}
.process-step__desc { color: var(--t3); }

/* ═══════════════════════════════════════════
   CONTACT
═══════════════════════════════════════════ */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--space-xl); align-items: start;
}

/* Contact channels */
.contact-direct-block {
  display: flex; flex-direction: column; gap: 1px;
  border: 1px solid var(--border);
}
.contact-channel {
  display: flex; align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  transition: background 0.2s, color 0.2s;
  cursor: pointer;
}
.contact-channel:last-child { border-bottom: none; }
.contact-channel:hover { background: var(--card-hover); }
.contact-channel--wa .contact-channel__icon { color: #25D366; }
.contact-channel--wa:hover { border-left: 3px solid #25D366; }
.contact-channel:not(.contact-channel--wa):hover { border-left: 3px solid var(--accent); }

.contact-channel__icon {
  width: 44px; height: 44px;
  border-radius: 50%; background: var(--bg);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; color: var(--t2);
  transition: color 0.2s;
}
.contact-channel__val {
  font-family: var(--font-mono); font-size: 12px;
  color: var(--t3); margin-top: 2px;
}
.contact-channel__arrow {
  font-family: var(--font-mono); font-size: 14px;
  color: var(--t3); margin-left: auto;
  transition: transform 0.2s, color 0.2s;
}
.contact-channel:hover .contact-channel__arrow { transform: translateX(4px); color: var(--accent); }

/* Form */
.contact-form-block {
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: var(--space-lg);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-sm); }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: var(--space-sm); }
.form-group label { color: var(--t3); }
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--input-bg);
  border: 1px solid var(--border);
  padding: 10px 12px;
  color: var(--input-text);
  border-radius: var(--radius); outline: none;
  transition: border-color 0.2s; width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--accent); }
.form-group input.error,
.form-group textarea.error { border-color: var(--accent); }
.form-group textarea { resize: vertical; min-height: 80px; }

/* Select arrow color fix */
.form-group select { appearance: none; -webkit-appearance: none; }

.form-feedback {
  margin-top: var(--space-sm); padding: var(--space-sm);
  font-family: var(--font-mono); font-size: 11px;
  border-left: 2px solid var(--accent);
}
.form-feedback--ok { color: var(--accent-warm); background: rgba(196,154,26,0.06); }
.form-feedback--err { color: var(--accent); background: rgba(166,56,32,0.06); }

/* ═══════════════════════════════════════════
   FAQ
═══════════════════════════════════════════ */
.faq-list { border-top: 1px solid var(--border); }
.faq-item {
  border-bottom: 1px solid var(--border);
  opacity: 0; transform: translateY(10px);
}
.faq-item.is-visible {
  opacity: 1; transform: translateY(0);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.faq-question {
  display: flex; justify-content: space-between; align-items: center;
  padding: var(--space-md) 0;
  font-family: var(--font-body); font-size: 15px; font-weight: 400;
  color: var(--t1); cursor: pointer; list-style: none;
  gap: var(--space-md); transition: color 0.2s;
}
.faq-question:hover { color: var(--accent); }
.faq-question::after {
  content: '+'; font-family: var(--font-mono); font-size: 18px;
  color: var(--accent); flex-shrink: 0; transition: transform 0.2s;
}
details[open] .faq-question::after { transform: rotate(45deg); }
.faq-question::-webkit-details-marker { display: none; }
.faq-answer {
  padding: 0 0 var(--space-md);
  color: var(--t3); max-width: 640px;
}

/* ═══════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════ */
.footer {
  background: var(--black-deep);
  border-top: 2px solid var(--accent);
}
[data-theme="light"] .footer { background: var(--carbon); }

.footer__inner {
  display: grid; grid-template-columns: 1fr auto auto;
  gap: var(--space-xl); align-items: start;
  padding: var(--space-xl) var(--space-md) var(--space-lg);
}
.footer__logo {
  display: flex; align-items: center; gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}
.footer__brand .text-small { color: var(--text-ghost); }
.footer__links {
  display: flex; flex-direction: column; gap: var(--space-sm);
  padding-top: 4px;
}
.footer__links a {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-ghost); transition: color 0.2s;
}
.footer__links a:hover { color: var(--text-muted); }
.footer__social { display: flex; flex-direction: column; gap: var(--space-sm); padding-top: 4px; }
.footer__social a { transition: opacity 0.2s; }
.footer__social a:hover { opacity: 0.8; }
.footer__bottom {
  border-top: 1px solid var(--carbon-mid);
  padding: var(--space-sm) var(--space-md);
  text-align: center;
}
.footer__bottom span { color: var(--carbon-light) !important; }

/* ═══════════════════════════════════════════
   WHATSAPP FLOATING BUTTON (mobile only)
═══════════════════════════════════════════ */
.wa-float {
  display: none;
  position: fixed; bottom: var(--space-lg); right: var(--space-md);
  width: 52px; height: 52px;
  background: #25D366; border-radius: 50%;
  align-items: center; justify-content: center;
  color: #fff; z-index: 998;
  box-shadow: 0 4px 20px rgba(37,211,102,0.45);
  transition: transform 0.2s, box-shadow 0.2s;
}
.wa-float:hover { transform: scale(1.08); box-shadow: 0 6px 24px rgba(37,211,102,0.55); }

/* Reveal animation base state */
.reveal-item {
  opacity: 0; transform: translateY(14px);
}
.reveal-item.is-visible {
  opacity: 1; transform: translateY(0);
  transition: opacity 0.45s ease, transform 0.45s ease;
}

/* ═══════════════════════════════════════════
   SCROLL HINT
═══════════════════════════════════════════ */
.scroll-hint {
  position: absolute; bottom: var(--space-md); left: 50%;
  color: var(--t2);
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  pointer-events: auto; z-index: 2;
  animation: scroll-flow 2.8s cubic-bezier(0.4, 0, 0.6, 1) infinite;
  transition: opacity 0.25s;
}
.scroll-hint:hover { opacity: 0.85 !important; animation-play-state: paused; }
.scroll-hint svg { display: block; }

@keyframes scroll-flow {
  0%   { opacity: 0;    transform: translateX(-50%) translateY(-5px); }
  18%  { opacity: 0.6;  transform: translateX(-50%) translateY(0); }
  68%  { opacity: 0.4;  transform: translateX(-50%) translateY(10px); }
  88%  { opacity: 0;    transform: translateX(-50%) translateY(14px); }
  100% { opacity: 0;    transform: translateX(-50%) translateY(-5px); }
}

/* ═══════════════════════════════════════════
   RESPONSIVE — large screens (1440+)
═══════════════════════════════════════════ */
@media (min-width: 1440px) {
  .container { max-width: 1380px; }
  :root {
    --space-xl:  96px;
    --space-2xl: 144px;
  }
}

@media (min-width: 1900px) {
  .container { max-width: 1600px; }
  :root {
    --space-xl:  112px;
    --space-2xl: 168px;
  }
}

/* ═══════════════════════════════════════════
   RESPONSIVE — tablet
═══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: var(--space-lg); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .hero { min-height: auto; padding-top: calc(var(--nav-h) + var(--space-lg)); padding-bottom: var(--space-2xl); }
  .hero__grid { gap: var(--space-md); }
}

/* ═══════════════════════════════════════════
   RESPONSIVE — mobile
═══════════════════════════════════════════ */
@media (max-width: 768px) {
  :root { --space-2xl: 72px; }

  /* Navbar */
  .navbar__links { display: none; }
  .navbar__cta   { display: none; }
  .navbar__hamburger { display: flex; }
  .navbar__controls { margin-left: auto; }

  /* Always show background on mobile so navbar is readable */
  .navbar { background: var(--bg-nav); border-bottom: 1px solid var(--border); }

  /* Hero */
  .hero { min-height: auto; padding-bottom: var(--space-xl); }
  .scroll-hint { display: none; }
  .hero__grid { grid-template-columns: 1fr; }
  .hero__visual { display: none; }
  .hero__content { text-align: center; }
  .hero__sub { max-width: 100%; }
  .hero__ctas { justify-content: center; }
  .hero__meta { display: none; }
  .hero__stats { gap: var(--space-md); }

  /* Services — compact 1 col */
  .services-grid { grid-template-columns: 1fr; }
  .service-card { padding: var(--space-md); gap: var(--space-xs); }
  .service-card__title { font-size: 20px; }
  .service-card__list { display: none; } /* compact on mobile */

  /* About */
  .about-grid { grid-template-columns: 1fr; gap: var(--space-md); }
  .credentials-row { grid-template-columns: 120px 1fr; gap: var(--space-sm); }
  .credentials-row { padding: 10px 0; }
  .about-stats { gap: var(--space-md); margin-top: var(--space-sm); padding-top: var(--space-sm); }
  .about-quote { margin-top: var(--space-md); }

  /* Process — siempre 2x2 en mobile */
  .process-steps { grid-template-columns: 1fr 1fr; gap: 1px; }
  .process-step { padding: var(--space-md) var(--space-sm); }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; gap: var(--space-lg); }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-block { padding: var(--space-md); }

  /* FAQ */
  .faq-question { font-size: 14px; }

  /* Footer */
  .footer__inner { grid-template-columns: 1fr; gap: var(--space-lg); }

  /* WA bubble */
  .wa-float { display: flex; }

  /* Section padding — reducido vs desktop */
  .section { padding: var(--space-lg) 0; }
  .section-alt { padding: var(--space-lg) 0; }
  .hero { padding-bottom: var(--space-lg); }
}

@media (min-width: 549px) and (max-width: 759px) {
  .hero__headline br { display: none; }
  .hero__headline { font-size: 8vw; white-space: nowrap; }
}

@media (max-width: 480px) {
  .hero__ctas { flex-direction: column; align-items: center; }
  .hero__ctas .btn { width: 100%; justify-content: center; }
  .credentials-row { grid-template-columns: 1fr; gap: 2px; padding: var(--space-sm) 0; }
  .services-grid { border: none; gap: 1px; }
  .service-card { border: 1px solid var(--border); }
  /* process stays 2x2 on small screens too */
  .process-step__title { font-size: 15px; }
  .process-step { padding: var(--space-sm); }
}