/* ═══════════════════════════════════════════════════════════════
   MACHINERY CHILE — Industrial Premium Design System
   ═══════════════════════════════════════════════════════════════ */

:root {
  /* ── Color tokens ─────────────────────────────────────────── */
  --color-noir:        #0a0a0b;        /* near-black, primary surface */
  --color-noir-soft:   #131316;
  --color-graphite:    #1f1f23;        /* card surfaces on dark */
  --color-graphite-2:  #2a2a30;
  --color-steel:       #4a4a52;        /* secondary text on dark */
  --color-mist:        #8a8a92;        /* tertiary text */
  --color-pearl:       #e6e6e8;        /* borders on dark */
  --color-paper:       #fafaf7;        /* primary surface light */
  --color-paper-warm:  #f4f1e8;        /* cream accents */
  --color-bone:        #ededeb;
  --color-ink:         #16161a;        /* primary text light */
  --color-ink-soft:    #2a2a30;

  --color-amber:       #f5c400;        /* signature accent */
  --color-amber-deep:  #d4a800;
  --color-amber-shadow:#a07f00;

  --color-success:     #2ea868;
  --color-danger:      #c4302b;

  /* ── Typography ───────────────────────────────────────────── */
  --font-display: "Bebas Neue", "Anton", "Arial Black", sans-serif;
  --font-serif:   "Cormorant Garamond", "Playfair Display", Georgia, serif;
  --font-sans:    "Inter Tight", "Helvetica Neue", system-ui, sans-serif;
  --font-mono:    "JetBrains Mono", "Courier New", monospace;

  /* ── Spacing scale ────────────────────────────────────────── */
  --s-1: 0.25rem;
  --s-2: 0.5rem;
  --s-3: 0.75rem;
  --s-4: 1rem;
  --s-5: 1.5rem;
  --s-6: 2rem;
  --s-7: 3rem;
  --s-8: 4rem;
  --s-9: 6rem;
  --s-10: 8rem;
  --s-11: 12rem;

  /* ── Other ────────────────────────────────────────────────── */
  --container-max: 1320px;
  --header-h: 80px;
  --transition-fast: 180ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 280ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 600ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ═══ Reset ═══ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-ink);
  background: var(--color-paper);
  font-feature-settings: "ss01", "cv11";
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font: inherit; color: inherit; }

/* ═══ Typography ═══ */
.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-amber-deep);
}
.eyebrow.muted { color: var(--color-mist); }
.eyebrow.on-dark { color: var(--color-amber); }

.h-display {
  font-family: var(--font-display);
  font-weight: 400;
  letter-spacing: 0.01em;
  line-height: 0.92;
  text-transform: uppercase;
}
.h-serif {
  font-family: var(--font-serif);
  font-weight: 500;
  font-style: italic;
  line-height: 1.05;
}
.h-1 { font-size: clamp(3rem, 8vw, 7rem); }
.h-2 { font-size: clamp(2.5rem, 6vw, 5rem); }
.h-3 { font-size: clamp(2rem, 4vw, 3rem); }
.h-4 { font-size: clamp(1.5rem, 2.5vw, 2rem); font-family: var(--font-sans); font-weight: 600; letter-spacing: -0.02em; }

.body-lg { font-size: 1.125rem; line-height: 1.7; color: var(--color-ink-soft); }
.body { font-size: 1rem; line-height: 1.65; color: var(--color-ink-soft); }
.body-sm { font-size: 0.875rem; line-height: 1.6; color: var(--color-steel); }

/* ═══ Layout ═══ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--s-5);
}
@media (min-width: 768px) {
  .container { padding: 0 var(--s-6); }
}

.section { padding: var(--s-9) 0; }
.section-tight { padding: var(--s-7) 0; }

/* ═══ Header / Navigation ═══ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(10, 10, 11, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  z-index: 100;
  transition: var(--transition);
}
.site-header.scrolled {
  background: rgba(10, 10, 11, 0.98);
  border-bottom-color: rgba(245, 196, 0, 0.18);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  color: var(--color-paper);
}
.nav-logo img {
  height: 36px;
  width: auto;
}
.nav-logo-text {
  font-family: var(--font-display);
  font-size: 1.125rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1;
}
.nav-logo-text span {
  display: block;
  font-size: 0.625rem;
  letter-spacing: 0.32em;
  color: var(--color-amber);
  font-family: var(--font-sans);
  font-weight: 500;
  margin-top: 4px;
}

.nav-links {
  display: none;
  gap: var(--s-7);
  align-items: center;
}
@media (min-width: 1024px) {
  .nav-links { display: flex; }
}
.nav-links a {
  color: var(--color-pearl);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  position: relative;
  padding: var(--s-2) 0;
  transition: color var(--transition-fast);
}
.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 1px;
  background: var(--color-amber);
  transition: width var(--transition);
}
.nav-links a:hover { color: var(--color-amber); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--color-amber); }

.nav-cta {
  display: none;
  align-items: center;
  gap: var(--s-2);
  background: var(--color-amber);
  color: var(--color-noir);
  padding: var(--s-3) var(--s-5);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  transition: var(--transition);
}
@media (min-width: 1024px) {
  .nav-cta { display: inline-flex; }
}
.nav-cta:hover {
  background: var(--color-paper);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(245, 196, 0, 0.4);
}

/* Mobile menu button */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  color: var(--color-paper);
}
@media (min-width: 1024px) { .nav-toggle { display: none; } }
.nav-toggle span {
  display: block;
  width: 100%; height: 2px;
  background: currentColor;
  transition: var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav-mobile {
  position: fixed;
  top: var(--header-h); left: 0; right: 0;
  background: var(--color-noir);
  border-top: 1px solid rgba(245, 196, 0, 0.2);
  padding: var(--s-6) var(--s-5);
  transform: translateY(-150%);
  transition: var(--transition-slow);
  z-index: 99;
}
.nav-mobile.open { transform: translateY(0); }
.nav-mobile a {
  display: block;
  padding: var(--s-4) 0;
  color: var(--color-pearl);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.nav-mobile a:last-of-type { border-bottom: none; }
.nav-mobile-cta {
  margin-top: var(--s-5);
  display: block;
  text-align: center;
  background: var(--color-amber);
  color: var(--color-noir);
  padding: var(--s-4);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.875rem;
}

/* ═══ Buttons ═══ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-4) var(--s-6);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: var(--color-amber);
  color: var(--color-noir);
}
.btn-primary:hover {
  background: var(--color-paper);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(245, 196, 0, 0.3);
}
.btn-dark {
  background: var(--color-noir);
  color: var(--color-paper);
}
.btn-dark:hover {
  background: var(--color-amber);
  color: var(--color-noir);
}
.btn-ghost {
  background: transparent;
  color: var(--color-paper);
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.btn-ghost:hover {
  border-color: var(--color-amber);
  color: var(--color-amber);
}
.btn-outline-dark {
  background: transparent;
  color: var(--color-ink);
  border: 1px solid var(--color-ink);
}
.btn-outline-dark:hover {
  background: var(--color-ink);
  color: var(--color-paper);
}
.btn-arrow::after {
  content: "→";
  font-size: 1.25em;
  transition: transform var(--transition);
}
.btn-arrow:hover::after { transform: translateX(4px); }

/* ═══ Hero ═══ */
.hero {
  min-height: 100vh;
  position: relative;
  background: var(--color-noir);
  color: var(--color-paper);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding-top: var(--header-h);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(135deg, rgba(10,10,11,0.85) 0%, rgba(10,10,11,0.55) 60%, rgba(10,10,11,0.75) 100%),
    url('../img/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(245,196,0,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(245,196,0,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: var(--s-9) 0 var(--s-7);
  flex: 1;
  display: flex;
  align-items: center;
}
.hero-content > .container {
  width: 100%;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-2) var(--s-4);
  border: 1px solid rgba(245, 196, 0, 0.4);
  background: rgba(245, 196, 0, 0.06);
  color: var(--color-amber);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  margin-bottom: var(--s-6);
}
.hero-badge .dot {
  width: 6px; height: 6px;
  background: var(--color-amber);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 9vw, 8.5rem);
  line-height: 0.88;
  letter-spacing: 0.005em;
  margin-bottom: var(--s-6);
  color: var(--color-paper);
}
.hero h1 .accent {
  display: block;
  color: var(--color-amber);
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  letter-spacing: -0.02em;
  font-size: 0.85em;
}
.hero-tagline {
  max-width: 560px;
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  color: rgba(230, 230, 232, 0.78);
  margin-bottom: var(--s-7);
  line-height: 1.55;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-4);
}

/* Hero stats strip */
.hero-stats {
  position: relative;
  z-index: 2;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(10, 10, 11, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.08);
}
@media (min-width: 768px) {
  .hero-stats-grid { grid-template-columns: repeat(4, 1fr); }
}
.hero-stat {
  background: var(--color-noir);
  padding: var(--s-6) var(--s-5);
  text-align: center;
}
.hero-stat-num {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  color: var(--color-amber);
  line-height: 1;
  margin-bottom: var(--s-2);
}
.hero-stat-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-mist);
}

/* ═══ Section title pattern ═══ */
.section-title {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-6);
  margin-bottom: var(--s-8);
  align-items: end;
}
@media (min-width: 768px) {
  .section-title { grid-template-columns: 1.6fr 1fr; }
}
.section-title-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-amber-deep);
  letter-spacing: 0.16em;
  display: block;
  margin-bottom: var(--s-3);
}
.section-title h2 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  line-height: 0.95;
  letter-spacing: 0.005em;
  text-transform: uppercase;
  color: var(--color-ink);
}
.section-title h2 em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  color: var(--color-amber-deep);
  letter-spacing: -0.02em;
}
.section-title p {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-steel);
  max-width: 420px;
}

/* ═══ Categories grid ═══ */
.categories {
  background: var(--color-paper);
  position: relative;
}
.categories-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--color-bone);
  border: 1px solid var(--color-bone);
}
@media (min-width: 600px) {
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .categories-grid { grid-template-columns: repeat(4, 1fr); }
}
.category-card {
  background: var(--color-paper);
  padding: var(--s-7) var(--s-5);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.category-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--color-noir);
  transform: translateY(100%);
  transition: var(--transition-slow);
  z-index: 0;
}
.category-card:hover::before { transform: translateY(0); }
.category-card > * { position: relative; z-index: 1; transition: color var(--transition); }
.category-card:hover > * { color: var(--color-paper); }
.category-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-mist);
  letter-spacing: 0.16em;
  margin-bottom: var(--s-5);
}
.category-icon {
  width: 56px;
  height: 56px;
  margin-bottom: var(--s-5);
  color: var(--color-amber-deep);
}
.category-card:hover .category-icon { color: var(--color-amber); }
.category-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.03em;
  margin-bottom: var(--s-2);
}
.category-card .count {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-amber-deep);
  letter-spacing: 0.12em;
}

/* ═══ Featured equipos / catalog grid ═══ */
.equipos-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-6);
}
@media (min-width: 600px) { .equipos-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .equipos-grid { grid-template-columns: repeat(3, 1fr); } }

.equipo-card {
  background: var(--color-paper);
  border: 1px solid var(--color-bone);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.equipo-card:hover {
  border-color: var(--color-noir);
  transform: translateY(-4px);
  box-shadow: 0 24px 48px rgba(10, 10, 11, 0.12);
}
.equipo-img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-bone);
  position: relative;
}
.equipo-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.equipo-card:hover .equipo-img img { transform: scale(1.06); }
.equipo-tag {
  position: absolute;
  top: var(--s-4); left: var(--s-4);
  background: var(--color-noir);
  color: var(--color-amber);
  padding: var(--s-2) var(--s-3);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.equipo-id {
  position: absolute;
  top: var(--s-4); right: var(--s-4);
  background: var(--color-amber);
  color: var(--color-noir);
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.125rem;
}
.equipo-body {
  padding: var(--s-6) var(--s-5) var(--s-5);
  flex: 1;
  display: flex;
  flex-direction: column;
}
.equipo-cat {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-amber-deep);
  margin-bottom: var(--s-2);
}
.equipo-card h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.02em;
  line-height: 1.05;
  color: var(--color-ink);
  margin-bottom: var(--s-1);
}
.equipo-meta {
  font-size: 0.875rem;
  color: var(--color-steel);
  margin-bottom: var(--s-4);
}
.equipo-specs {
  display: flex;
  gap: var(--s-4);
  padding-top: var(--s-4);
  border-top: 1px solid var(--color-bone);
  margin-bottom: var(--s-5);
  flex-wrap: wrap;
}
.equipo-spec {
  font-size: 0.75rem;
}
.equipo-spec-label {
  display: block;
  color: var(--color-mist);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.625rem;
  margin-bottom: 2px;
}
.equipo-spec-value {
  font-weight: 700;
  color: var(--color-ink);
}
.equipo-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--s-4);
}
.equipo-price {
  font-family: var(--font-display);
  font-size: 1.125rem;
  letter-spacing: 0.02em;
  color: var(--color-ink);
}
.equipo-arrow {
  width: 36px; height: 36px;
  background: var(--color-paper);
  border: 1px solid var(--color-bone);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.equipo-card:hover .equipo-arrow {
  background: var(--color-amber);
  border-color: var(--color-amber);
}

/* ═══ Filters bar ═══ */
.filters {
  background: var(--color-paper);
  border-top: 1px solid var(--color-bone);
  border-bottom: 1px solid var(--color-bone);
  padding: var(--s-5) 0;
  position: sticky;
  top: var(--header-h);
  z-index: 50;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(250, 250, 247, 0.95);
}
.filters-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s-3);
}
.filter-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-mist);
  margin-right: var(--s-3);
}
.filter-chip {
  padding: var(--s-2) var(--s-4);
  background: var(--color-paper);
  border: 1px solid var(--color-bone);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
}
.filter-chip:hover {
  border-color: var(--color-ink);
}
.filter-chip.active {
  background: var(--color-noir);
  color: var(--color-paper);
  border-color: var(--color-noir);
}
.filter-count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-mist);
  letter-spacing: 0.08em;
}
@media (max-width: 768px) {
  .filter-count { width: 100%; margin-top: var(--s-3); margin-left: 0; }
}

/* ═══ Equipo detail modal ═══ */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 11, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: var(--s-5);
  overflow-y: auto;
}
.modal.open { display: flex; }
.modal-content {
  background: var(--color-paper);
  width: 100%;
  max-width: 1100px;
  margin: var(--s-6) 0;
  position: relative;
  animation: modalIn 400ms cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}
.modal-close {
  position: absolute;
  top: var(--s-4); right: var(--s-4);
  width: 40px; height: 40px;
  background: var(--color-noir);
  color: var(--color-paper);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  font-size: 1.25rem;
  transition: var(--transition);
}
.modal-close:hover { background: var(--color-amber); color: var(--color-noir); }

.modal-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
@media (min-width: 768px) {
  .modal-grid { grid-template-columns: 1.2fr 1fr; }
}
.modal-gallery {
  background: var(--color-noir);
  padding: var(--s-5);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}
.modal-gallery-main {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--color-graphite);
}
.modal-gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.modal-gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-3);
}
.modal-thumb {
  aspect-ratio: 1;
  overflow: hidden;
  cursor: pointer;
  background: var(--color-graphite);
  opacity: 0.6;
  transition: var(--transition-fast);
  border: 2px solid transparent;
}
.modal-thumb:hover { opacity: 1; }
.modal-thumb.active {
  opacity: 1;
  border-color: var(--color-amber);
}
.modal-thumb img { width: 100%; height: 100%; object-fit: cover; }

.modal-detail {
  padding: var(--s-7) var(--s-6);
}
.modal-detail .equipo-cat { margin-bottom: var(--s-3); }
.modal-detail h2 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  line-height: 1;
  letter-spacing: 0.02em;
  margin-bottom: var(--s-2);
}
.modal-detail .modelo-meta {
  color: var(--color-steel);
  font-size: 1rem;
  margin-bottom: var(--s-6);
}

.modal-spec-list {
  list-style: none;
  margin: var(--s-5) 0;
}
.modal-spec-list li {
  display: flex;
  justify-content: space-between;
  padding: var(--s-3) 0;
  border-bottom: 1px solid var(--color-bone);
  font-size: 0.875rem;
}
.modal-spec-list li:last-child { border-bottom: none; }
.modal-spec-list .label { color: var(--color-steel); }
.modal-spec-list .value { font-weight: 600; color: var(--color-ink); }

.modal-price-block {
  background: var(--color-amber);
  padding: var(--s-5);
  margin: var(--s-5) 0;
}
.modal-price-block .label {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-noir);
  display: block;
  margin-bottom: var(--s-2);
}
.modal-price-block .price {
  font-family: var(--font-display);
  font-size: 2rem;
  letter-spacing: 0.02em;
  color: var(--color-noir);
  line-height: 1;
}

.modal-actions {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}
.modal-actions .btn { justify-content: center; }

/* ═══ Quiénes Somos ═══ */
.about-hero {
  background: var(--color-noir);
  color: var(--color-paper);
  padding: calc(var(--header-h) + var(--s-9)) 0 var(--s-9);
  position: relative;
  overflow: hidden;
}
.about-hero::before {
  content: "";
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(245, 196, 0, 0.08) 0%, transparent 70%);
  z-index: 0;
}
.about-hero > * { position: relative; z-index: 1; }
.about-hero .eyebrow.on-dark { margin-bottom: var(--s-5); }
.about-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6rem);
  letter-spacing: 0.01em;
  line-height: 0.92;
  text-transform: uppercase;
  margin-bottom: var(--s-6);
  max-width: 16ch;
}
.about-hero h1 em {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-amber);
  font-weight: 500;
  letter-spacing: -0.02em;
}
.about-hero .lead {
  font-size: clamp(1.125rem, 1.6vw, 1.375rem);
  color: rgba(230, 230, 232, 0.78);
  max-width: 56ch;
  line-height: 1.5;
}

/* About content */
.about-content {
  background: var(--color-paper);
  padding: var(--s-9) 0;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-7);
}
@media (min-width: 1024px) {
  .about-grid { grid-template-columns: 1fr 1fr; gap: var(--s-9); }
}
.about-text h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3rem);
  line-height: 1;
  letter-spacing: 0.01em;
  margin-bottom: var(--s-5);
}
.about-text h2 em {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-amber-deep);
  font-weight: 500;
  letter-spacing: -0.02em;
}
.about-text p {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--color-ink-soft);
  margin-bottom: var(--s-5);
}

/* Pillars */
.pillars {
  background: var(--color-noir);
  color: var(--color-paper);
  padding: var(--s-9) 0;
}
.pillars-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
@media (min-width: 768px) { .pillars-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .pillars-grid { grid-template-columns: repeat(4, 1fr); } }
.pillar {
  background: var(--color-noir);
  padding: var(--s-7) var(--s-5);
  position: relative;
  transition: background var(--transition);
}
.pillar:hover { background: var(--color-graphite); }
.pillar-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-amber);
  letter-spacing: 0.16em;
  margin-bottom: var(--s-5);
  display: block;
}
.pillar h3 {
  font-family: var(--font-display);
  font-size: 1.375rem;
  letter-spacing: 0.04em;
  margin-bottom: var(--s-3);
}
.pillar p {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--color-mist);
}

/* ═══ Contact form ═══ */
.contact-hero {
  background: var(--color-noir);
  color: var(--color-paper);
  padding: calc(var(--header-h) + var(--s-9)) 0 var(--s-9);
}
.contact-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6rem);
  letter-spacing: 0.01em;
  line-height: 0.92;
  text-transform: uppercase;
  margin-bottom: var(--s-5);
}
.contact-hero h1 em {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-amber);
  font-weight: 500;
  letter-spacing: -0.02em;
}
.contact-hero .lead {
  font-size: 1.25rem;
  color: rgba(230, 230, 232, 0.78);
  max-width: 56ch;
}

.contact-section {
  background: var(--color-paper);
  padding: var(--s-9) 0;
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-7);
}
@media (min-width: 1024px) {
  .contact-grid { grid-template-columns: 1.4fr 1fr; gap: var(--s-9); }
}

.contact-form {
  display: grid;
  gap: var(--s-5);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-5);
}
@media (min-width: 600px) { .form-row { grid-template-columns: 1fr 1fr; } }

.form-field { position: relative; }
.form-field label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-steel);
  margin-bottom: var(--s-2);
}
.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  padding: var(--s-4) 0;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-bone);
  font-size: 1rem;
  color: var(--color-ink);
  transition: border-color var(--transition);
  border-radius: 0;
}
.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  outline: none;
  border-bottom-color: var(--color-amber);
}
.form-field textarea {
  resize: vertical;
  min-height: 120px;
  padding: var(--s-3) 0;
}

.contact-info {
  background: var(--color-noir);
  color: var(--color-paper);
  padding: var(--s-7);
  align-self: start;
}
.contact-info h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.04em;
  margin-bottom: var(--s-6);
}
.contact-info-row {
  padding: var(--s-4) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.contact-info-row:last-child { border-bottom: none; }
.contact-info-row .label {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-amber);
  display: block;
  margin-bottom: var(--s-2);
}
.contact-info-row .value {
  font-size: 1rem;
  color: var(--color-paper);
  font-weight: 500;
}
.contact-info-row a:hover { color: var(--color-amber); }

.contact-info-cta {
  margin-top: var(--s-5);
  display: block;
  text-align: center;
  background: var(--color-amber);
  color: var(--color-noir);
  padding: var(--s-4);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  transition: var(--transition);
}
.contact-info-cta:hover {
  background: var(--color-paper);
  transform: translateY(-2px);
}

/* ═══ WhatsApp floating button ═══ */
.whatsapp-fab {
  position: fixed;
  bottom: var(--s-5);
  right: var(--s-5);
  width: 60px; height: 60px;
  background: #25d366;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.4);
  z-index: 90;
  transition: var(--transition);
  animation: fabIn 600ms cubic-bezier(0.16, 1, 0.3, 1) 1s backwards;
}
@keyframes fabIn {
  from { opacity: 0; transform: translateY(40px) scale(0.8); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.whatsapp-fab:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 12px 40px rgba(37, 211, 102, 0.5);
}
.whatsapp-fab svg { width: 32px; height: 32px; }

/* ═══ Footer ═══ */
.site-footer {
  background: var(--color-noir);
  color: var(--color-paper);
  padding: var(--s-9) 0 var(--s-5);
  position: relative;
  overflow: hidden;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--color-amber);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-7);
  margin-bottom: var(--s-8);
}
@media (min-width: 768px) { .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1fr; } }

.footer-brand img { height: 48px; margin-bottom: var(--s-5); }
.footer-brand p {
  font-size: 0.875rem;
  color: var(--color-mist);
  line-height: 1.6;
  max-width: 28ch;
}

.footer-col h4 {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--color-amber);
  margin-bottom: var(--s-5);
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: var(--s-3); }
.footer-col a {
  font-size: 0.875rem;
  color: var(--color-pearl);
  transition: color var(--transition-fast);
}
.footer-col a:hover { color: var(--color-amber); }

.footer-social {
  display: flex;
  gap: var(--s-3);
  margin-top: var(--s-3);
}
.footer-social a {
  width: 40px; height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.footer-social a:hover {
  background: var(--color-amber);
  border-color: var(--color-amber);
  color: var(--color-noir);
}
.footer-social svg { width: 18px; height: 18px; }

.footer-bottom {
  padding-top: var(--s-5);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  align-items: center;
  text-align: center;
}
@media (min-width: 768px) {
  .footer-bottom { flex-direction: row; justify-content: space-between; text-align: left; }
}
.footer-bottom p {
  font-size: 0.75rem;
  color: var(--color-steel);
  letter-spacing: 0.08em;
}

/* ═══ Animations ═══ */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
/* Fallback: si JS no carga o el observer no dispara, mostrar a los 800ms */
@media (prefers-reduced-motion: reduce) {
  .fade-in { opacity: 1; transform: none; transition: none; }
}

/* ═══ Empty state ═══ */
.empty-state {
  text-align: center;
  padding: var(--s-9) var(--s-5);
  color: var(--color-steel);
  grid-column: 1 / -1;
}
.empty-state h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: var(--s-3);
  color: var(--color-ink);
}

/* ═══ Utility ═══ */
.text-center { text-align: center; }
.mt-7 { margin-top: var(--s-7); }
.mb-0 { margin-bottom: 0 !important; }