/* ===================================================================
   DISTRIBUIDORA ISI SURESTE S.A. DE C.V. - STYLESHEET
   Recuperamos Valor | Tu Material Impulsa Un Mejor Futuro
   Veracruz, Ver.
   =================================================================== */

:root {
  /* Brand Palette */
  --color-primary: #F39200;
  --color-primary-dark: #D87D00;
  --color-primary-light: #FFA726;
  --color-primary-glow: rgba(243, 146, 0, 0.28);
  
  --color-dark-900: #0B121C;
  --color-dark-800: #101B29;
  --color-dark-700: #17263A;
  --color-dark-overlay: rgba(11, 18, 28, 0.88);
  
  --color-light-bg: #F4F6F9;
  --color-light-card: #FFFFFF;
  --color-white: #FFFFFF;
  
  --color-text-dark: #0F172A;
  --color-text-body: #334155;
  --color-text-muted: #64748B;
  --color-text-light: #F8FAFC;
  --color-text-dim: #94A3B8;
  
  --border-light: #E2E8F0;
  --border-dark: rgba(255, 255, 255, 0.12);
  
  /* Typography */
  --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Spacing & Layout */
  --header-height: 80px;
  --container-max: 1280px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
  --shadow-glow: 0 0 25px rgba(243, 146, 0, 0.35);
}

/* Base Reset & Box Sizing */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-body);
  background-color: var(--color-dark-900);
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-fast);
}

button, input, textarea, select {
  font: inherit;
}

ul {
  list-style: none;
}

/* Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.highlight {
  color: var(--color-primary);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #E2E8F0;
  margin-bottom: 14px;
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 3px;
  background-color: var(--color-primary);
  border-radius: 2px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 13px 26px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  border: 1.5px solid transparent;
  text-decoration: none;
  line-height: 1.2;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #111C28;
  border-color: var(--color-primary);
  box-shadow: 0 4px 15px rgba(243, 146, 0, 0.25);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(243, 146, 0, 0.4);
}

.btn-outline {
  background-color: transparent;
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.12);
  border-color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-outline-dark {
  background-color: transparent;
  color: var(--color-text-dark);
  border-color: var(--color-text-dark);
}

.btn-outline-dark:hover {
  background-color: var(--color-text-dark);
  color: #FFFFFF;
}

.btn-arrow {
  transition: transform var(--transition-fast);
}

.btn:hover .btn-arrow {
  transform: translateX(4px);
}

/* ===================================================================
   HEADER & NAVIGATION
   =================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  background: rgba(11, 18, 28, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: background-color var(--transition-base), height var(--transition-base), box-shadow var(--transition-base);
}

.site-header.scrolled {
  background: rgba(11, 18, 28, 0.96);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  height: 72px;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

/* Brand Logo */
.brand-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-symbol {
  width: 34px;
  height: auto;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 8px rgba(243, 146, 0, 0.4));
  transition: transform var(--transition-fast);
}

.brand-link:hover .brand-symbol {
  transform: scale(1.05);
}

.brand-text-block {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: #FFFFFF;
  line-height: 1.15;
}

.brand-sub {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: #E2E8F0;
  line-height: 1.15;
}

/* Desktop Nav Menu */
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  position: relative;
  font-family: var(--font-heading);
  font-size: 0.84rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: #E2E8F0;
  padding: 8px 4px;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: #FFFFFF;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--color-primary);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--transition-fast);
}

.nav-link.active {
  color: #FFFFFF;
}

.nav-link.active::after {
  transform: scaleX(1);
}

.header-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  font-size: 0.8rem;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  width: 44px;
  height: 44px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  flex-shrink: 0;
  z-index: 1010;
}

.mobile-toggle .bar {
  display: block;
  width: 24px;
  height: 2.5px;
  background-color: #FFFFFF;
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-toggle.open .bar:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.mobile-toggle.open .bar:nth-child(2) {
  opacity: 0;
}

.mobile-toggle.open .bar:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

@media (max-width: 992px) {
  .desktop-nav, .header-cta-btn {
    display: none !important;
  }

  .mobile-toggle {
    display: flex !important;
  }
}

/* Mobile Navigation Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  max-width: 85vw;
  height: 100vh;
  background: #0D1622;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.6);
  z-index: 1005;
  padding: 100px 30px 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-drawer.open {
  right: 0;
}

.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 1002;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.drawer-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.mobile-nav-link {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: #E2E8F0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-nav-link.active, .mobile-nav-link:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.mobile-drawer-bottom {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mobile-drawer-contact {
  font-size: 0.9rem;
  color: var(--color-text-dim);
}

/* ===================================================================
   SECTION 1: INICIO (HERO & SERVICES PREVIEW)
   =================================================================== */
.hero-section {
  position: relative;
  min-height: 720px;
  max-height: 860px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background-image: url('../img/hero-truck.jpg');
  background-size: cover;
  background-position: center right;
  background-repeat: no-repeat;
  padding-top: calc(var(--header-height) + 50px);
  padding-bottom: 30px;
  color: #FFFFFF;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg, 
    #0B121C 0%, 
    rgba(11, 18, 28, 0.96) 35%, 
    rgba(11, 18, 28, 0.75) 55%, 
    rgba(11, 18, 28, 0.25) 80%, 
    rgba(11, 18, 28, 0.05) 100%
  );
  z-index: 1;
}

.hero-content-wrap {
  position: relative;
  z-index: 2;
  max-width: 680px;
  margin-bottom: 40px;
}

.hero-eyebrow {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: #CBD5E1;
  margin-bottom: 14px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 4.8vw, 3.6rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: #FFFFFF;
  margin-bottom: 22px;
}

.hero-desc {
  font-size: 1.12rem;
  line-height: 1.6;
  color: #E2E8F0;
  margin-bottom: 34px;
  max-width: 580px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

/* Bottom Strip in Hero */
.hero-bottom-strip {
  position: relative;
  z-index: 2;
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.hero-concepts {
  display: flex;
  align-items: center;
  gap: 36px;
  flex-wrap: wrap;
}

.concept-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.concept-icon {
  width: 28px;
  height: 28px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.concept-label {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #F1F5F9;
}

.hero-closing-quote {
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #CBD5E1;
  border-left: 2px solid var(--color-primary);
  padding-left: 14px;
  line-height: 1.3;
}

/* Hero Bottom Services Strip (White) */
.hero-services-strip {
  position: relative;
  z-index: 3;
  background-color: #FFFFFF;
  padding: 56px 0;
  border-bottom: 1px solid var(--border-light);
  color: var(--color-text-dark);
}

.services-strip-grid {
  display: grid;
  grid-template-columns: 1.2fr 3fr;
  gap: 48px;
  align-items: center;
}

.services-strip-intro h2 {
  font-family: var(--font-heading);
  font-size: 2.1rem;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: #0F172A;
  margin-bottom: 12px;
}

.services-strip-intro .strip-line {
  width: 44px;
  height: 4px;
  background-color: var(--color-primary);
  margin-bottom: 16px;
  border-radius: 2px;
}

.services-strip-intro p {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.services-strip-items {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.strip-item-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 0 10px;
  border-left: 1px solid var(--border-light);
  transition: transform var(--transition-fast);
}

.strip-item-card:hover {
  transform: translateY(-3px);
}

.strip-card-icon {
  width: 40px;
  height: 40px;
  color: #0F172A;
  margin-bottom: 4px;
}

.strip-card-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 800;
  line-height: 1.3;
  color: #0F172A;
}

.strip-card-desc {
  font-size: 0.85rem;
  line-height: 1.45;
  color: var(--color-text-muted);
}

/* ===================================================================
   SHARED SPLIT SECTION PATTERN (NOSOTROS, SERVICIOS, CONTACTO)
   =================================================================== */
.split-section {
  position: relative;
  background-color: var(--color-dark-900);
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.split-container {
  display: flex;
  min-height: 700px;
  position: relative;
}

/* Left Hero / Background Side */
.split-visual-side {
  flex: 1 1 45%;
  position: relative;
  background-size: cover;
  background-position: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 48px 80px 60px;
  color: #FFFFFF;
  z-index: 1;
}

.split-visual-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(11, 18, 28, 0.94) 0%,
    rgba(11, 18, 28, 0.82) 60%,
    rgba(11, 18, 28, 0.5) 100%
  );
  z-index: 1;
}

.split-visual-content {
  position: relative;
  z-index: 2;
  max-width: 520px;
}

.split-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: #FFFFFF;
  margin-bottom: 20px;
}

.split-desc {
  font-size: 1.05rem;
  line-height: 1.6;
  color: #E2E8F0;
  margin-bottom: 30px;
}

/* Right Content Side (Angled White Polygon) */
.split-content-side {
  flex: 1 1 55%;
  background-color: #FFFFFF;
  color: var(--color-text-dark);
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 60px 80px 80px;
  clip-path: polygon(70px 0, 100% 0, 100% 100%, 0% 100%);
  margin-left: -50px;
}

/* Reversed Split Layout (Servicios: White card on Left, Image & Title on Right) */
@media (min-width: 993px) {
  .split-container.split-reverse {
    flex-direction: row-reverse;
  }

  .split-reverse .split-content-side {
    margin-left: 0;
    margin-right: -50px;
    clip-path: polygon(0 0, calc(100% - 70px) 0, 100% 100%, 0% 100%);
    padding: 80px 80px 80px 60px;
  }

  .split-reverse .split-visual-side {
    padding: 80px 60px 80px 90px;
    align-items: flex-start;
  }

  .split-reverse .split-visual-overlay {
    background: linear-gradient(
      225deg,
      rgba(11, 18, 28, 0.94) 0%,
      rgba(11, 18, 28, 0.85) 60%,
      rgba(11, 18, 28, 0.55) 100%
    );
  }
}

/* ===================================================================
   SECTION 2: NOSOTROS (ABOUT)
   =================================================================== */
#nosotros .split-visual-side {
  background-image: url('../img/nosotros-facade.jpg');
}

.pillars-grid {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.pillar-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding-bottom: 22px;
  border-bottom: 1px solid #EDF2F7;
}

.pillar-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.pillar-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 2px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
  background-color: rgba(243, 146, 0, 0.05);
  transition: all var(--transition-base);
}

.pillar-item:hover .pillar-icon-wrap {
  background-color: var(--color-primary);
  color: #FFFFFF;
  transform: scale(1.08);
}

.pillar-icon-wrap svg {
  width: 26px;
  height: 26px;
}

.pillar-content h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  color: #0F172A;
  margin-bottom: 6px;
}

.pillar-content p {
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--color-text-body);
}

.values-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin-top: 6px;
}

.value-pill {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-text-body);
  display: inline-flex;
  align-items: center;
}

.value-pill:not(:last-child)::after {
  content: '·';
  margin-left: 12px;
  font-weight: 900;
  color: var(--color-primary);
}

/* ===================================================================
   SECTION 3: SERVICIOS (SERVICES & MATERIALS)
   =================================================================== */
#servicios .split-visual-side {
  background-image: url('../img/servicios-plant.jpg');
}

.services-list {
  display: flex;
  flex-direction: column;
  gap: 22px;
  margin-bottom: 32px;
}

.service-row-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding-bottom: 18px;
  border-bottom: 1px solid #EDF2F7;
}

.service-row-icon {
  width: 48px;
  height: 48px;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.service-row-item:hover .service-row-icon {
  transform: translateY(-2px) scale(1.05);
}

.service-row-text h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 800;
  color: #0F172A;
  margin-bottom: 4px;
}

.service-row-text p {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--color-text-body);
}

/* Principales Materiales Strip */
.materials-section-wrap {
  border-top: 1px solid #E2E8F0;
  padding-top: 24px;
}

.materials-header {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 800;
  color: #0F172A;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.materials-header::after {
  content: '—';
  color: var(--color-primary);
  font-weight: 900;
}

.materials-cards-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.material-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 12px 6px;
  border-radius: var(--radius-sm);
  background: #FAFAFA;
  border: 1px solid #EDF2F7;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.material-card:hover {
  background: #FFFFFF;
  border-color: var(--color-primary);
  transform: translateY(-4px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.08);
}

.material-img-wrap {
  width: 80px;
  height: 55px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 8px;
}

.material-img-wrap img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

.material-card:hover .material-img-wrap img {
  transform: scale(1.08);
}

.material-name {
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 700;
  color: #0F172A;
  line-height: 1.25;
}

/* Material Quick Quote Badge */
.material-card::after {
  content: 'Cotizar +';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-primary);
  color: #111C28;
  font-family: var(--font-heading);
  font-size: 0.65rem;
  font-weight: 800;
  padding: 2px 0;
  text-transform: uppercase;
  transform: translateY(100%);
  transition: transform var(--transition-fast);
}

.material-card:hover::after {
  transform: translateY(0);
}

/* ===================================================================
   SECTION 4: ¿POR QUÉ ELEGIRNOS? (VALUE PROPOSITION)
   =================================================================== */
.why-section {
  padding: 100px 0;
  background-color: var(--color-dark-800);
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.why-section::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(243, 146, 0, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.why-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 60px;
}

.why-header .section-label {
  justify-content: center;
}

.why-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 900;
  line-height: 1.15;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.why-subtitle {
  font-size: 1.1rem;
  color: #94A3B8;
  line-height: 1.6;
}

.why-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}

.why-card {
  background: rgba(23, 38, 58, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  position: relative;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.why-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 24px;
  right: 24px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.why-card:hover {
  background: rgba(23, 38, 58, 0.85);
  transform: translateY(-6px);
  border-color: rgba(243, 146, 0, 0.35);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

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

.why-icon-box {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: rgba(243, 146, 0, 0.12);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: all var(--transition-fast);
}

.why-card:hover .why-icon-box {
  background: var(--color-primary);
  color: #111C28;
}

.why-icon-box svg {
  width: 28px;
  height: 28px;
}

.why-card-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: #FFFFFF;
}

.why-card-desc {
  font-size: 0.92rem;
  line-height: 1.6;
  color: #CBD5E1;
}

/* Why Stats Counter Bar */
.why-stats-bar {
  background: linear-gradient(90deg, #101B29 0%, #152438 100%);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 36px 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.stat-item {
  text-align: center;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 15%;
  right: 0;
  height: 70%;
  width: 1px;
  background: rgba(255, 255, 255, 0.1);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1.1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.88rem;
  color: #94A3B8;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===================================================================
   SECTION 5: CONTACTO & UBICACIÓN (CONTACT & MAP)
   =================================================================== */
#contacto .split-visual-side {
  background-image: url('../img/contacto-warehouse.jpg');
}

.contact-header-text h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 900;
  color: #0F172A;
  line-height: 1.25;
  margin-bottom: 4px;
}

.contact-ready-highlight {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.contact-header-text p {
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--color-text-body);
  margin-bottom: 24px;
}

/* Contact Info Details */
.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 28px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-icon-bubble {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(243, 146, 0, 0.1);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-icon-bubble svg {
  width: 20px;
  height: 20px;
}

.contact-detail-text h4 {
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 800;
  color: #0F172A;
  margin-bottom: 2px;
}

.contact-detail-text p, .contact-detail-text a {
  font-size: 0.9rem;
  color: var(--color-text-body);
  line-height: 1.45;
}

.contact-detail-text a:hover {
  color: var(--color-primary);
}

/* Interactive Google Map Card */
.map-card-wrapper {
  position: relative;
  width: 100%;
  height: 250px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.1);
  border: 1px solid #E2E8F0;
  margin-bottom: 24px;
  background: #E5E7EB;
}

.map-card-iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.map-card-btn-overlay {
  position: absolute;
  top: 12px;
  right: 12px;
  background: #FFFFFF;
  color: #0F172A;
  padding: 8px 16px;
  border-radius: 30px;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: all var(--transition-fast);
  text-decoration: none;
  z-index: 5;
}

.map-card-btn-overlay:hover {
  background: var(--color-primary);
  color: #111C28;
  transform: translateY(-2px);
}

.map-card-btn-overlay svg {
  width: 16px;
  height: 16px;
  color: #EA4335;
}

.map-card-btn-overlay:hover svg {
  color: #111C28;
}

/* Quick Cotizador / Contact Form */
.quick-quote-form {
  background: #F8FAFC;
  border: 1px solid #E2E8F0;
  border-radius: var(--radius-md);
  padding: 20px;
}

.form-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 800;
  color: #0F172A;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-text-dark);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  font-size: 0.88rem;
  border: 1px solid #CBD5E1;
  border-radius: var(--radius-sm);
  background: #FFFFFF;
  color: #0F172A;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(243, 146, 0, 0.15);
}

.form-btn-submit {
  width: 100%;
  padding: 12px;
  font-size: 0.88rem;
  background-color: #25D366; /* WhatsApp Green */
  color: #FFFFFF;
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.form-btn-submit:hover {
  background-color: #1EBE5D;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
}

.form-btn-submit svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* ===================================================================
   FOOTER
   =================================================================== */
.site-footer {
  background-color: #070C13;
  color: #CBD5E1;
  padding: 60px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand-desc {
  margin-top: 16px;
  font-size: 0.9rem;
  line-height: 1.6;
  color: #94A3B8;
  max-width: 340px;
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #FFFFFF;
  margin-bottom: 20px;
  position: relative;
}

.footer-heading::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.88rem;
  color: #94A3B8;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-primary);
  padding-left: 4px;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 0.88rem;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 30px;
  font-size: 0.82rem;
  color: #64748B;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-credit-link {
  color: #94A3B8;
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition-fast);
}

.footer-credit-link:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

/* Floating WhatsApp Button */
.floating-whatsapp {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  background-color: #25D366;
  color: #FFFFFF;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.floating-whatsapp:hover {
  background-color: #1EBE5D;
  transform: scale(1.1) translateY(-4px);
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.6);
}

.floating-whatsapp svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

.floating-whatsapp-tooltip {
  position: absolute;
  right: 70px;
  background: #111C28;
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 20px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateX(10px);
  transition: all var(--transition-fast);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.floating-whatsapp:hover .floating-whatsapp-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 998;
  background-color: rgba(17, 28, 40, 0.85);
  color: #FFFFFF;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background-color: var(--color-primary);
  color: #111C28;
  border-color: var(--color-primary);
  transform: translateY(-3px);
}

/* Material Modal Dialog */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  max-width: 540px;
  width: 100%;
  padding: 32px;
  position: relative;
  transform: scale(0.95) translateY(20px);
  transition: transform var(--transition-base);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.modal-overlay.open .modal-content {
  transform: scale(1) translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--color-text-muted);
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: #F1F5F9;
  color: #0F172A;
}

.modal-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.modal-img-preview {
  width: 130px;
  height: 90px;
  object-fit: contain;
  margin-bottom: 16px;
}

.modal-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: #0F172A;
  margin-bottom: 8px;
}

.modal-desc {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text-body);
  margin-bottom: 24px;
}

.modal-cta-btn {
  width: 100%;
}

/* ===================================================================
   RESPONSIVE DESIGN (BREAKPOINTS)
   =================================================================== */

/* Large Tablets & Small Laptops (<= 1100px) */
@media (max-width: 1100px) {
  .split-content-side {
    padding: 60px 40px 60px 60px;
    clip-path: polygon(45px 0, 100% 0, 100% 100%, 0% 100%);
    margin-left: -35px;
  }
  
  .split-reverse .split-content-side {
    padding: 60px 60px 60px 40px;
    clip-path: polygon(0 0, calc(100% - 45px) 0, 100% 100%, 0% 100%);
    margin-left: 0;
    margin-right: -35px;
  }
  
  .split-visual-side {
    padding: 60px 30px;
  }

  .split-reverse .split-visual-side {
    padding: 60px 30px 60px 50px;
  }

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

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

  .why-stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .stat-item:nth-child(2)::after {
    display: none;
  }
}

/* Tablets (<= 992px) */
@media (max-width: 992px) {
  :root {
    --header-height: 70px;
  }

  .desktop-nav, .header-cta-btn {
    display: none !important;
  }


  /* Split sections stack vertically on mobile/tablet */
  .split-container,
  .split-container.split-reverse {
    flex-direction: column;
    min-height: auto;
  }

  .split-visual-side,
  .split-reverse .split-visual-side {
    flex: none;
    width: 100%;
    min-height: 480px;
    padding: 60px 24px 80px;
  }

  .split-content-side,
  .split-reverse .split-content-side {
    flex: none;
    width: 100%;
    clip-path: none;
    margin-left: 0;
    margin-right: 0;
    margin-top: -30px;
    border-radius: 24px 24px 0 0;
    padding: 48px 24px;
  }

  .services-strip-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .services-strip-items {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

/* Small Screens / Phones (<= 640px) */
@media (max-width: 640px) {
  :root {
    --header-height: 64px;
  }

  .site-header {
    height: 64px;
  }

  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .brand-symbol {
    width: 26px;
  }

  .brand-title {
    font-size: 0.78rem;
    line-height: 1.15;
  }

  .brand-sub {
    font-size: 0.66rem;
    line-height: 1.15;
  }


  .hero-section {
    min-height: 660px;
    padding-top: calc(var(--header-height) + 20px);
    background-position: 70% center;
  }

  .hero-title {
    font-size: 2.1rem;
  }

  .hero-desc {
    font-size: 0.98rem;
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .hero-bottom-strip {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .hero-concepts {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .services-strip-items {
    grid-template-columns: 1fr;
  }

  .strip-item-card {
    border-left: none;
    border-top: 1px solid var(--border-light);
    padding: 16px 0 0;
  }

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

  .why-cards-grid {
    grid-template-columns: 1fr;
  }

  .why-stats-bar {
    grid-template-columns: 1fr;
    padding: 24px;
  }

  .stat-item::after {
    display: none;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

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

  .floating-whatsapp {
    bottom: 16px;
    right: 16px;
    width: 52px;
    height: 52px;
  }

  .floating-whatsapp-tooltip {
    display: none;
  }
}