/* Ag Mangueras — sitio estático */

:root {
  /* Colores institucionales — Manual de Identidad ESEAG */
  --ag-blue: #2464a3;
  --ag-gray: #8b8d8c;
  --ag-blue-deep: #1a5284;
  --ag-blue-light: #4f83b5;
  --ag-blue-soft: #6593bf;
  --ag-gray-light: #e8e8e8;
  --ag-gray-muted: #b5b6b6;
  --ag-accent: var(--ag-blue);
  --ag-accent-soft: rgba(36, 100, 163, 0.1);
  --surface: #f3f4f4;
  --surface-elevated: #ffffff;
  --text: #1e2120;
  --text-muted: #5c5e5d;
  --border: #dde0df;
  --border-strong: #c5c8c7;
  --whatsapp: #25d366;
  --font-display: "Manrope", system-ui, -apple-system, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --container: 76rem;
  --radius-md: 0.75rem;
  --radius-lg: 1.125rem;
  --radius-xl: 1.375rem;
  --shadow-card: 0 4px 28px -6px rgba(30, 33, 32, 0.1);
  --shadow-elevated: 0 20px 50px -12px rgba(30, 33, 32, 0.14);
  --shadow-glow: 0 0 0 1px rgba(36, 100, 163, 0.08), 0 16px 40px -12px rgba(36, 100, 163, 0.2);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.4, 0.64, 1);
  --gradient-brand: linear-gradient(135deg, var(--ag-blue-deep) 0%, var(--ag-blue) 55%, var(--ag-blue-light) 100%);
  --gradient-text: linear-gradient(135deg, #a8c8e8 0%, #e8f1f9 55%, #8bb8dc 100%);

  /* Alias internos */
  --navy: var(--ag-blue-deep);
  --navy-mid: var(--ag-blue);
  --navy-light: var(--ag-blue-light);
  --accent: var(--ag-blue);
  --accent-hover: var(--ag-blue-deep);
  --accent-soft: var(--ag-accent-soft);
  --accent-glow: rgba(36, 100, 163, 0.4);
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
  -webkit-text-size-adjust: 100%;
}

[id] {
  scroll-margin-top: 5.5rem;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text);
  background:
    radial-gradient(ellipse 90% 60% at 10% -5%, rgba(36, 100, 163, 0.07), transparent 50%),
    radial-gradient(ellipse 70% 50% at 95% 20%, rgba(139, 141, 140, 0.06), transparent 45%),
    var(--surface);
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.01em;
}

#contenido-principal {
  flex: 1;
}

h1, h2, h3, .hero__title, .section-title, .brand__name {
  font-family: var(--font-display);
}

img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }
ul { margin: 0; padding: 0; list-style: none; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 10000;
  padding: 0.75rem 1rem;
  background: var(--navy);
  color: #fff;
}
.skip-link:focus { left: 0; }

.icon { width: 1.25rem; height: 1.25rem; flex-shrink: 0; }
.icon--xs { width: 1rem; height: 1rem; }
.icon--sm { width: 1.125rem; height: 1.125rem; }
.icon--md { width: 1.5rem; height: 1.5rem; }
.icon--lg { width: 2.25rem; height: 2.25rem; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.site-header--scrolled {
  border-color: var(--border);
  box-shadow: 0 4px 24px -8px rgba(15, 39, 68, 0.1);
}

.site-nav__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0.875rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}
.brand__logo { width: 2.5rem; height: 2.5rem; color: var(--accent); }
.brand__name {
  display: block;
  font-size: 0.8125rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.2;
  color: var(--text);
}
.brand__name span {
  font-weight: 300;
  letter-spacing: 0.14em;
  color: var(--ag-blue);
}
.brand__tag {
  display: block;
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem 1.25rem;
  flex-wrap: wrap;
}
.nav-links a:not(.btn-nav-cta) {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s;
}
.nav-links a:not(.btn-nav-cta).is-active {
  color: var(--navy);
  font-weight: 600;
}
.nav-links a:not(.btn-nav-cta).is-active::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--ag-blue);
  border-radius: 2px;
}
.nav-links a:not(.btn-nav-cta) { position: relative; }
.nav-links a.btn-nav-cta.is-active::after { display: none; }

.btn-nav-cta {
  padding: 0.5rem 1.125rem;
  background: var(--accent);
  color: #fff !important;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: 999px;
  transition: background 0.2s, transform 0.2s var(--ease);
}
.btn-nav-cta:hover { background: var(--accent-hover); transform: translateY(-1px); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
}
.nav-toggle__bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform 0.25s var(--ease), opacity 0.25s;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: 999px;
  border: 2px solid transparent;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.2s var(--ease);
  white-space: nowrap;
}
.btn--lg { padding: 0.8125rem 1.5rem; font-size: 1rem; }
.btn--gradient {
  position: relative;
  overflow: hidden;
  background: var(--ag-accent);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 8px 24px -6px rgba(36, 100, 163, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: transform 0.25s var(--ease-spring), box-shadow 0.25s, background 0.25s;
}
.btn--gradient::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 35%, rgba(255, 255, 255, 0.28) 50%, transparent 65%);
  transform: translateX(-120%);
  transition: transform 0.55s ease;
}
.btn--gradient:hover {
  background: var(--ag-blue-deep);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -6px rgba(36, 100, 163, 0.45);
}
.btn--gradient:hover::after { transform: translateX(120%); }

.btn--primary {
  background: var(--ag-accent);
  color: #fff;
  box-shadow: 0 4px 20px -4px var(--accent-glow);
}
.btn--primary:hover {
  background: var(--ag-blue-deep);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn--ghost-light {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
}
.btn--ghost-light:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: rgba(255, 255, 255, 0.35);
}
.btn--ghost {
  background: transparent;
  color: var(--navy);
  border-color: var(--border);
}
.btn--ghost:hover { border-color: var(--navy-mid); background: rgba(15, 39, 68, 0.04); }
.btn--ghost-dark {
  background: transparent;
  color: var(--navy);
  border-color: var(--border);
}
.btn--ghost-dark:hover { border-color: var(--navy); }
.btn--outline {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy-mid);
}
.btn--outline:hover { background: var(--navy); color: #fff; }

/* Hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: 4rem 1.25rem 5rem;
  background: linear-gradient(180deg, var(--ag-blue-deep) 0%, var(--ag-blue) 50%, #164a75 100%);
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.hero__bg { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.hero__grid {
  position: absolute;
  inset: 0;
  opacity: 0.05;
  background-image:
    linear-gradient(rgba(255,255,255,0.6) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.6) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 20%, transparent 75%);
}
.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  animation: orb-drift 14s ease-in-out infinite alternate;
}
.hero__orb--1 {
  width: 420px; height: 420px;
  top: -120px; right: 5%;
  background: rgba(79, 131, 181, 0.35);
}
.hero__orb--2 {
  width: 340px; height: 340px;
  bottom: -80px; left: -60px;
  background: rgba(36, 100, 163, 0.45);
  animation-delay: -4s;
}
.hero__orb--3 {
  width: 200px; height: 200px;
  top: 40%; left: 45%;
  background: rgba(255, 255, 255, 0.06);
  animation-delay: -8s;
}

@keyframes orb-drift {
  from { transform: translate(0, 0) scale(1); }
  to { transform: translate(30px, -20px) scale(1.08); }
}

.pulse-dot {
  display: inline-block;
  width: 7px; height: 7px;
  margin-right: 0.5rem;
  border-radius: 50%;
  vertical-align: middle;
  background: var(--ag-blue-soft);
  box-shadow: 0 0 0 0 rgba(101, 147, 191, 0.5);
  animation: pulse-ring 2s ease-out infinite;
}
@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(101, 147, 191, 0.5); }
  70% { box-shadow: 0 0 0 8px rgba(101, 147, 191, 0); }
  100% { box-shadow: 0 0 0 0 rgba(101, 147, 191, 0); }
}

.hero__inner {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero__eyebrow {
  display: inline-block;
  margin: 0 0 1rem;
  padding: 0.375rem 0.875rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 999px;
}

.hero__title {
  margin: 0 0 1.25rem;
  font-size: clamp(1.875rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
}
.hero__accent {
  display: block;
  margin-top: 0.25rem;
  background: var(--gradient-text);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmer 6s linear infinite;
}
@keyframes shimmer {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}

.hero__lead {
  margin: 0 0 1.75rem;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.78);
  max-width: 34rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}
.hero__actions .btn--ghost {
  color: #fff;
  border-color: rgba(255,255,255,0.25);
}
.hero__actions .btn--ghost:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.4);
}

.hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.hero__chips li {
  padding: 0.375rem 0.875rem;
  font-size: 0.8125rem;
  font-weight: 500;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 999px;
  color: rgba(255,255,255,0.9);
}

.hero__frame {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 32px 80px -20px rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.hero__carousel {
  position: relative;
  aspect-ratio: 4/3;
  background: var(--navy-mid);
}
.hero__slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.06);
  transition: opacity 1s var(--ease), transform 6s linear;
}
.hero__slide.is-active {
  opacity: 1;
  transform: scale(1);
}
.hero__frame-shine {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.12) 0%, transparent 45%, transparent 100%);
  pointer-events: none;
}
.hero__float-img {
  position: absolute;
  bottom: -1.25rem;
  left: -1.25rem;
  width: 38%;
  aspect-ratio: 5/4;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 3px solid rgba(255,255,255,0.9);
  box-shadow: 0 16px 48px -8px rgba(0,0,0,0.45);
  animation: float-y 5s ease-in-out infinite;
}
@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.hero__carousel-dots {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  z-index: 2;
}
.hero__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.35);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: background 0.25s, transform 0.25s var(--ease-spring);
}
.hero__dot.is-active {
  background: var(--ag-blue-soft);
  transform: scale(1.25);
}

.hero__badge-card {
  position: absolute;
  top: 1.25rem;
  right: -0.75rem;
  padding: 1.125rem 1.375rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-elevated);
  text-align: center;
  z-index: 2;
}
.float-card { animation: float-y 5s ease-in-out infinite 1s; }
.hero__badge-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
}
.hero__badge-plus {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
}
.hero__badge-num,
.hero__badge-plus {
  color: var(--ag-blue);
}
.hero__badge-label {
  display: block;
  margin-top: 0.375rem;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--text-muted);
  max-width: 7.5rem;
  line-height: 1.35;
}

/* Home hero (inicio) */
.home-hero {
  position: relative;
  overflow: hidden;
  padding: 4.5rem 1.25rem 4rem;
  background: linear-gradient(180deg, var(--ag-blue-deep) 0%, var(--ag-blue) 50%, #164a75 100%);
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.home-hero__bg { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.home-hero__inner {
  position: relative;
  max-width: var(--container);
  margin: 0 auto;
  text-align: center;
}
.home-hero__title {
  margin: 0 0 1.25rem;
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
}
.home-hero__lead {
  margin: 0 auto 2rem;
  max-width: 36rem;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.82);
}
.home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.875rem;
  justify-content: center;
}

/* Page hero (interiores) */
.page-hero {
  padding: 3rem 1.25rem 2.5rem;
  background: var(--surface-elevated);
  border-bottom: 1px solid var(--border);
}
.page-hero--dark {
  background: linear-gradient(180deg, var(--ag-blue-deep) 0%, var(--ag-blue) 100%);
  color: #fff;
  border-bottom-color: rgba(255, 255, 255, 0.08);
}
.page-hero--dark .page-hero__crumb a { color: rgba(255, 255, 255, 0.75); }
.page-hero--dark .page-hero__lead { color: rgba(255, 255, 255, 0.78); }
.page-hero__crumb {
  margin: 0 0 0.75rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}
.page-hero__crumb a:hover { color: var(--ag-blue); }
.page-hero__title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.12;
}
.page-hero__lead {
  margin: 0;
  max-width: 40rem;
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text-muted);
}

/* Home intro */
.home-intro {
  padding: 4rem 0 5rem;
}
.home-intro .section-desc {
  max-width: 38rem;
}

/* Menu hub — primera pantalla (legacy) */
.menu-hub {
  padding: 2rem 1.25rem 2.5rem;
  background: linear-gradient(180deg, var(--ag-blue-deep) 0%, var(--ag-blue) 42%, #164a75 100%);
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.menu-hub .section-eyebrow { color: rgba(255, 255, 255, 0.85); }
.menu-hub__header {
  text-align: center;
  max-width: 40rem;
  margin: 0 auto 2rem;
}
.menu-hub__title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.12;
}
.menu-hub__accent {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.menu-hub__lead {
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.78);
}

.menu-hub__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  max-width: var(--container);
  margin: 0 auto;
}
.menu-hub__card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.375rem 1.25rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: transform 0.3s var(--ease-spring), background 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.menu-hub__card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.28);
  box-shadow: 0 16px 40px -12px rgba(0, 0, 0, 0.35);
}
.menu-hub__card--accent {
  background: rgba(255, 255, 255, 0.95);
  border-color: transparent;
  color: var(--text);
}
.menu-hub__card--accent:hover {
  background: #fff;
  color: var(--text);
}
.menu-hub__card--accent .menu-hub__icon {
  background: var(--ag-accent-soft);
  color: var(--ag-blue);
}
.menu-hub__card--accent .menu-hub__go { color: var(--ag-blue); }
.menu-hub__card--accent p { color: var(--text-muted); }

.menu-hub__icon {
  width: 2.75rem;
  height: 2.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.12);
  color: var(--ag-blue-soft);
  border-radius: var(--radius-md);
}
.menu-hub__icon--text {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
}
.menu-hub__card-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.menu-hub__card p {
  margin: 0;
  flex: 1;
  font-size: 0.875rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.72);
}
.menu-hub__go {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  margin-top: 0.25rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--ag-blue-soft);
  transition: gap 0.2s var(--ease);
}
.menu-hub__card:hover .menu-hub__go { gap: 0.625rem; }

/* Stats bar */
.stats-bar {
  position: relative;
  z-index: 2;
  margin-top: 0;
  padding: 0 1.25rem 2rem;
}
.stats-bar__inner {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-elevated);
  border: 1px solid var(--border);
}
.stat-item {
  padding: 1.5rem 1.25rem;
  background: var(--surface-elevated);
  text-align: center;
  transition: background 0.25s;
}
.stat-item:hover { background: #fafbfc; }
.stat-item__num {
  display: inline;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--navy-light);
  line-height: 1;
}
.stat-item__suffix {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--navy-light);
}
.stat-item__label {
  display: block;
  margin-top: 0.375rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
}
.stat-item--accent {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-brand);
}
.stat-item__text {
  font-size: 0.9375rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.01em;
}

/* Sections */
.section__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.product-section--after-stats {
  padding-top: 3.5rem;
}
.product-section--alt {
  background: var(--surface-elevated);
}
.product-section--dark {
  background: linear-gradient(180deg, var(--ag-blue-deep) 0%, #164a75 100%);
  color: #fff;
}

.section-header { margin-bottom: 2.5rem; }
.section-header--split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: end;
}
.section-header--center { text-align: center; }
.section-header--center .section-desc { margin-left: auto; margin-right: auto; }

.section-eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ag-blue);
}
.section-eyebrow--light { color: var(--ag-blue-soft); }

.section-title {
  margin: 0;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--navy);
}
.section-title--light { color: #fff; }

.section-desc {
  margin: 0;
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 36rem;
}
.section-desc--left { text-align: left; }
.section-desc--center { text-align: center; margin-left: auto; margin-right: auto; }
.section-desc--light { color: rgba(255,255,255,0.72); }

.section-cta-wrap { text-align: center; margin-top: 2rem; }

/* Product cards */
.product-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.5rem;
}

.product-card {
  background: var(--surface-elevated);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s;
}
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-elevated);
  border-color: rgba(36, 100, 163, 0.2);
}
.product-card--featured { grid-row: span 1; }

.product-card__media {
  position: relative;
  overflow: hidden;
}
.product-card__media img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}
.product-card:hover .product-card__media img { transform: scale(1.07); }
.product-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 39, 68, 0.45) 0%, transparent 55%);
  opacity: 0;
  transition: opacity 0.35s;
  pointer-events: none;
}
.product-card:hover .product-card__overlay { opacity: 1; }
.product-card__media--compact img { aspect-ratio: 16/11; }

.product-card__tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.375rem 0.875rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: var(--ag-blue);
  color: #fff;
  border-radius: 999px;
}
.product-card__tag--alt { background: var(--ag-blue-deep); }

.product-card__body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.product-card__title {
  margin: 0 0 0.625rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy);
}
.product-card__body p {
  margin: 0 0 1rem;
  font-size: 0.9375rem;
  color: var(--text-muted);
  flex: 1;
}
.product-card__list {
  margin: 0 0 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.product-card__list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text);
}
.product-card__list .icon { color: var(--accent); }

.product-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--accent);
  margin-top: auto;
  transition: gap 0.2s var(--ease);
}
.product-card__link:hover { gap: 0.625rem; }

/* Split block */
.split-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.split-block--reverse { direction: rtl; }
.split-block--reverse > * { direction: ltr; }

.split-block__media {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-elevated);
}
.split-block__media img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform 0.1s linear;
  will-change: transform;
}
.parallax-wrap { overflow: hidden; }
.split-block__media--gauge img { aspect-ratio: 1; }

.split-block__icon {
  position: absolute;
  bottom: -1rem;
  right: -1rem;
  width: 4rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.material-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0;
}
.material-chips span {
  padding: 0.4375rem 0.875rem;
  font-size: 0.8125rem;
  font-weight: 600;
  background: var(--accent-soft);
  color: var(--navy);
  border-radius: 999px;
  border: 1px solid rgba(36, 100, 163, 0.2);
}

.split-block__variants {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.75rem;
}
.variant-pill {
  padding: 1rem;
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}
.variant-pill strong {
  display: block;
  font-size: 0.9375rem;
  color: var(--navy);
  margin-bottom: 0.25rem;
}
.variant-pill span {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* Couplers */
.coupler-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.coupler-card {
  padding: 1.75rem;
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: transform 0.25s var(--ease), box-shadow 0.25s;
}
.coupler-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.coupler-card--accent {
  background: var(--gradient-brand);
  border-color: var(--ag-blue-deep);
  color: #fff;
}
.coupler-card--accent .coupler-card__icon { background: rgba(255,255,255,0.12); color: var(--ag-blue-soft); }
.coupler-card--accent p { color: rgba(255,255,255,0.72); }

.coupler-card__icon {
  width: 3rem;
  height: 3rem;
  margin: 0 auto 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: var(--radius-md);
}
.coupler-card h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
}
.coupler-card p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.coupler-visual {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.coupler-visual img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  transition: transform 8s var(--ease);
}
.coupler-visual:hover img { transform: scale(1.04); }
.coupler-visual__gradient {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(15,39,68,0.7) 0%, transparent 50%);
  pointer-events: none;
}

/* Instrumentation */
.instr-grid {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 1.5rem 0 1.75rem;
}
.instr-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
}
.instr-card .icon { color: var(--ag-blue-soft); margin-top: 0.125rem; }
.instr-card h3 {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
}
.instr-card p {
  margin: 0;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.65);
}

/* Brands */
.brands-section {
  padding: 5rem 0;
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-elevated) 100%);
}

/* Brands marquee */
.brands-marquee {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.brands-marquee__track {
  display: flex;
  gap: 1.25rem;
  width: max-content;
  animation: marquee 28s linear infinite;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.brand-pill {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 11rem;
  min-height: 5.5rem;
  padding: 1.25rem 2rem;
  border-radius: var(--radius-lg);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  transition: transform 0.25s var(--ease-spring);
}
.brand-pill small {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  opacity: 0.75;
}
.brand-pill--metron { background: #fff; color: #1e4a8a; border-color: #c5d4e8; }
.brand-pill--parker { background: #111; color: #fff; font-style: italic; font-weight: 600; }
.brand-pill--dixon { background: #f0f6fc; color: #1a5a9e; border-color: #2a6cb8; border-width: 2px; }
.brand-pill--gates { background: #111; color: #fff; font-style: italic; font-weight: 500; border-radius: 999px; }

/* Legacy brand grid hidden */
.brands-grid { display: none; }

.brands-grid-static {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}
.brand-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 7rem;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  text-align: center;
}
.brand-card__sub {
  display: block;
  margin-top: 0.375rem;
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  opacity: 0.75;
}
.brand-card--metron { background: #fff; color: #1e4a8a; border-color: #c5d4e8; }
.brand-card--parker { background: #111; color: #fff; font-style: italic; font-weight: 600; }
.brand-card--dixon { background: #f0f6fc; color: #1a5a9e; border-color: #2a6cb8; border-width: 2px; }
.brand-card--gates { background: #111; color: #fff; font-style: italic; font-weight: 500; border-radius: 999px; }

/* Contact */
.contact-section { padding: 5rem 0; }

.contact-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--surface-elevated);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-elevated);
}

.contact-card__content { padding: 2.5rem; }
.contact-list {
  margin: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}
.contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9375rem;
  color: var(--text);
}
.contact-list .icon { color: var(--accent); margin-top: 0.125rem; }
.contact-list a { color: var(--accent); font-weight: 600; }
.contact-list a:hover { text-decoration: underline; }

.contact-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.contact-hours {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.contact-card__map {
  min-height: 320px;
  background: var(--surface);
}
.contact-card__map iframe {
  width: 100%;
  height: 100%;
  min-height: 320px;
  border: 0;
}
.contact-card--map-only {
  grid-template-columns: 1fr;
}
.contact-card__map--full iframe {
  min-height: 420px;
}
.contact-section__note {
  margin: 1.25rem 0 0;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Footer */
.site-footer {
  padding: 0.875rem 1.25rem 0.5rem;
  background: linear-gradient(180deg, var(--ag-blue-deep) 0%, #123d62 100%);
  color: rgba(255,255,255,0.75);
}
.site-footer__inner {
  max-width: var(--container);
  margin: 0 auto 0.375rem;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 0.75rem 1.5rem;
  align-items: center;
}
.site-footer__name {
  display: block;
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.125rem;
}
.site-footer__tag {
  margin: 0;
  font-size: 0.75rem;
  line-height: 1.3;
  color: rgba(255,255,255,0.6);
}
.site-footer__contact-list {
  margin: 0 0 0.375rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.site-footer__contact-list li {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.375rem;
  font-size: 0.75rem;
  line-height: 1.3;
}
.site-footer__contact-list .icon {
  color: var(--ag-blue-soft);
  flex-shrink: 0;
}
.site-footer__contact-list a {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: opacity 0.2s;
}
.site-footer__contact-list a:hover { opacity: 0.85; }
.site-footer__hours {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.55);
}
.site-footer__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}
.site-footer__btn {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  font-size: 0.6875rem;
  font-weight: 600;
  color: #fff;
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: 999px;
  transition: background 0.2s, border-color 0.2s;
}
.site-footer__btn:hover {
  background: rgba(255,255,255,0.22);
  border-color: rgba(255,255,255,0.35);
}
.site-footer__btn--ghost {
  background: transparent;
  border-color: rgba(255,255,255,0.28);
  color: rgba(255,255,255,0.88);
}
.site-footer__copy {
  max-width: var(--container);
  margin: 0 auto;
  padding-top: 0.375rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.6875rem;
  text-align: center;
  color: rgba(255,255,255,0.45);
}

/* WhatsApp float */
.whatsapp-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 90;
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.5rem 0.5rem 0.5rem 1rem;
  background: var(--whatsapp);
  color: #fff;
  border-radius: 999px;
  box-shadow: 0 8px 28px -4px rgba(37, 211, 102, 0.5);
  transition: transform 0.25s var(--ease), box-shadow 0.25s;
}
.whatsapp-float:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 36px -4px rgba(37, 211, 102, 0.55);
}
.whatsapp-float__icon {
  width: 1.5rem;
  height: 1.5rem;
}
.whatsapp-float__label {
  font-weight: 700;
  font-size: 0.875rem;
  padding-right: 0.25rem;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal--delay { transition-delay: 0.15s; }
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.stagger .reveal:nth-child(1) { transition-delay: 0s; }
.stagger .reveal:nth-child(2) { transition-delay: 0.1s; }
.stagger .reveal:nth-child(3) { transition-delay: 0.2s; }
.stagger .reveal:nth-child(4) { transition-delay: 0.3s; }

.product-grid--trio {
  grid-template-columns: repeat(3, 1fr);
}

.brand__logo {
  width: 2.75rem;
  height: 2.75rem;
}

/* Responsive */
@media (max-width: 960px) {
  .menu-hub__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .product-grid--trio,
  .stats-bar__inner,
  .brands-grid-static {
    grid-template-columns: 1fr;
  }
  .stat-item--accent { min-height: 4rem; }

  .hero__inner,
  .product-grid,
  .split-block,
  .coupler-grid,
  .contact-card,
  .section-header--split {
    grid-template-columns: 1fr;
  }

  .split-block--reverse { direction: ltr; }
  .site-footer__inner {
    grid-template-columns: 1fr;
    align-items: start;
  }
  .hero__visual { order: -1; max-width: 28rem; margin: 0 auto; }
  .hero__float-img { left: auto; right: -0.5rem; }
  .hero__badge-card { right: 0.5rem; }
  .split-block__variants { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(18rem, 88vw);
    flex-direction: column;
    align-items: stretch;
    padding: 5rem 1.5rem 1.5rem;
    background: var(--surface-elevated);
    box-shadow: -8px 0 40px rgba(15, 39, 68, 0.15);
    transform: translateX(100%);
    transition: transform 0.3s var(--ease);
    z-index: 99;
  }
  .nav-links--open { transform: translateX(0); }
  .nav-links a:not(.btn-nav-cta) {
    padding: 0.75rem 0;
    font-size: 1rem;
    border-bottom: 1px solid var(--border);
  }
  .btn-nav-cta { text-align: center; margin-top: 0.5rem; }

  body.nav-open { overflow: hidden; }

  .hero { padding: 2rem 1.25rem 3rem; }
  .home-hero { padding: 2.5rem 1.25rem 2.5rem; }
  .page-hero { padding: 2rem 1.25rem 1.75rem; }
  .menu-hub { padding: 1.5rem 1.25rem 2rem; }
  .menu-hub__grid { grid-template-columns: 1fr; }
  .product-section { padding: 3.5rem 0; }
  .coupler-grid { grid-template-columns: 1fr; }
  .contact-card__content { padding: 1.75rem; }
  .whatsapp-float__label { display: none; }
  .whatsapp-float { padding: 0.875rem; border-radius: 50%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__orb, .hero__float-img, .float-card, .brands-marquee__track, .pulse-dot { animation: none; }
  .hero__slide { transition: opacity 0.3s; transform: none; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}