/* ===================================================================
   FF PUERTAS AUTOMÁTICAS DE MÉXICO - DESIGN SYSTEM
   Inspirado en LiftMaster Latam & Clopay Door
   Color Institucional: #00489D (Azul FF)
   =================================================================== */

:root {
  /* Brand Palette */
  --color-primary: #00489D;         /* Azul Institucional Oficial FF */
  --color-primary-dark: #002D62;    /* Azul Marino Profundo */
  --color-primary-light: #1A64BC;   /* Azul Real Vibrante */
  --color-primary-soft: #EBF3FC;    /* Azul Muy Tenue / Fondos */
  --color-primary-rgb: 0, 72, 157;

  --color-accent: #D97706;          /* Ámbar / Dorado Industrial para CTAs de impacto */
  --color-accent-hover: #B45309;
  --color-accent-soft: #FEF3C7;

  --color-whatsapp: #25D366;        /* Verde WhatsApp oficial */
  --color-whatsapp-dark: #128C7E;

  /* Neutrals & Surfaces */
  --color-dark: #0F172A;            /* Slate 900 */
  --color-dark-surface: #1E293B;    /* Slate 800 */
  --color-gray-900: #111827;
  --color-gray-800: #1F2937;
  --color-gray-700: #374151;
  --color-gray-600: #4B5563;
  --color-gray-500: #6B7280;
  --color-gray-400: #9CA3AF;
  --color-gray-300: #D1D5DB;
  --color-gray-200: #E5E7EB;
  --color-gray-100: #F3F4F6;
  --color-gray-50: #F9FAFB;
  --color-white: #FFFFFF;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Elevations & Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 72, 157, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 72, 157, 0.12), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 25px rgba(0, 72, 157, 0.25);

  /* Borders & Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 400ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Container */
  --container-max: 1280px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--color-gray-800);
  background-color: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

button {
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

@media (max-width: 768px) {
  .section {
    padding-top: 3.5rem;
    padding-bottom: 3.5rem;
  }
}

.section-bg-soft {
  background-color: var(--color-primary-soft);
}

.section-bg-gray {
  background-color: var(--color-gray-50);
}

.section-bg-dark {
  background-color: var(--color-dark);
  color: var(--color-white);
}

/* Section Headers */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.825rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.section-badge.badge-white {
  background: rgba(255, 255, 255, 0.15);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.85rem, 3.5vw, 2.75rem);
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-bg-dark .section-title {
  color: var(--color-white);
}

.section-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--color-gray-600);
  line-height: 1.6;
}

.section-bg-dark .section-subtitle {
  color: var(--color-gray-300);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-base);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(0, 72, 157, 0.35);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  box-shadow: 0 6px 20px rgba(0, 72, 157, 0.45);
  transform: translateY(-2px);
  color: var(--color-white);
}

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(217, 119, 6, 0.35);
}

.btn-accent:hover {
  background-color: var(--color-accent-hover);
  box-shadow: 0 6px 20px rgba(217, 119, 6, 0.45);
  transform: translateY(-2px);
  color: var(--color-white);
}

.btn-outline {
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  background: transparent;
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-outline-white {
  border: 2px solid var(--color-white);
  color: var(--color-white);
  background: transparent;
}

.btn-outline-white:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background-color: var(--color-whatsapp);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
  background-color: var(--color-whatsapp-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
  color: var(--color-white);
}

.btn-sm {
  padding: 0.55rem 1.15rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 1.05rem 2.25rem;
  font-size: 1.05rem;
  border-radius: var(--radius-md);
}

/* ===================================================================
   TOP ANNOUNCEMENT & CONTACT BAR
   =================================================================== */
.top-bar {
  background-color: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.825rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.top-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.top-item svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
  opacity: 0.85;
}

.top-item a:hover {
  color: var(--color-white);
  text-decoration: underline;
}

.top-quality-badge {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #93C5FD;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.775rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.quality-dot {
  width: 7px;
  height: 7px;
  background-color: #60A5FA;
  border-radius: 50%;
}

@media (max-width: 900px) {
  .top-bar-left .hide-mobile-top {
    display: none;
  }
}

/* ===================================================================
   HEADER & NAVBAR
   =================================================================== */
.main-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.06);
  transition: all var(--transition-base);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  gap: 1.5rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.brand-logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-item {
  position: relative;
}

.nav-link {
  font-weight: 600;
  font-size: 0.925rem;
  color: var(--color-gray-700);
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  transition: color var(--transition-fast);
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-base);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  cursor: pointer;
  background: transparent;
  border: none;
  padding: 0;
  z-index: 1100;
}

.mobile-toggle span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: var(--color-primary-dark);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.mobile-toggle.open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

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

.mobile-toggle.open span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

@media (max-width: 1080px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem 2rem 2rem;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
    transition: right var(--transition-smooth);
    z-index: 1050;
    gap: 1.25rem;
    overflow-y: auto;
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-link {
    font-size: 1.1rem;
    width: 100%;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-gray-100);
  }

  .mobile-toggle {
    display: flex;
  }

  .nav-actions .btn-quote-header {
    display: none;
  }
}

/* Mobile Menu Backdrop */
.menu-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1040;
}

.menu-backdrop.active {
  display: block;
}

/* ===================================================================
   HERO SECTION (LiftMaster / Clopay Style)
   =================================================================== */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, rgba(0, 45, 98, 0.92) 0%, rgba(0, 72, 157, 0.82) 50%, rgba(15, 23, 42, 0.88) 100%),
              url('../img/hero-garage-luxury.jpg') center/cover no-repeat;
  color: var(--color-white);
  padding: 4.5rem 0;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to top, var(--color-white), transparent);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 1.5rem;
  backdrop-filter: blur(8px);
}

.hero-tag-icon {
  color: #FBBF24;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 4.2vw, 3.75rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin-bottom: 1.35rem;
}

.hero-title span {
  color: #60A5FA;
  display: block;
}

.hero-desc {
  font-size: clamp(1.05rem, 1.4vw, 1.25rem);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
  max-width: 580px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-trust-badges {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.trust-item {
  display: flex;
  flex-direction: column;
}

.trust-num {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-white);
  line-height: 1;
}

.trust-num span {
  color: #FBBF24;
}

.trust-label {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.75);
  margin-top: 0.25rem;
  line-height: 1.3;
}

/* Hero Quick Estimate Card */
.hero-card {
  background: rgba(255, 255, 255, 0.96);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
  color: var(--color-dark);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.hero-card-header {
  margin-bottom: 1.5rem;
}

.hero-card-header h3 {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hero-card-header p {
  font-size: 0.875rem;
  color: var(--color-gray-600);
  margin-top: 0.25rem;
}

.hero-form-group {
  margin-bottom: 1rem;
}

.hero-form-label {
  display: block;
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: 0.35rem;
}

.hero-form-select, .hero-form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-gray-300);
  background-color: var(--color-white);
  color: var(--color-gray-800);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.hero-form-select:focus, .hero-form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 72, 157, 0.15);
}

.hero-card-footer {
  margin-top: 1.25rem;
  text-align: center;
}

.hero-card-footer p {
  font-size: 0.75rem;
  color: var(--color-gray-500);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  margin-top: 0.65rem;
}

@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .hero-card {
    max-width: 520px;
    margin: 0 auto;
  }
}

/* ===================================================================
   PARTNER LOGOS STRIP (LiftMaster, Merik, FAAC, Craftsman)
   =================================================================== */
.partners-strip {
  background-color: var(--color-white);
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--color-gray-200);
}

.partners-heading {
  text-align: center;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gray-400);
  margin-bottom: 1.5rem;
}

.partners-flex {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 2.5rem 3.5rem;
}

.partner-logo {
  height: 38px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.65;
  transition: all var(--transition-base);
}

.partner-logo:hover {
  filter: grayscale(0%);
  opacity: 1;
  transform: scale(1.05);
}

.partner-text-badge {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-gray-400);
  letter-spacing: 0.05em;
  transition: all var(--transition-base);
}

.partner-text-badge:hover {
  color: var(--color-primary);
  transform: scale(1.05);
}

/* ===================================================================
   INTERACTIVE DOOR CONFIGURATOR / VISUALIZER (Clopay EZDoor Style)
   =================================================================== */
.configurator-wrapper {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-gray-200);
  overflow: hidden;
}

.configurator-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
}

.config-preview-panel {
  background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.preview-badge-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  font-size: 0.775rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  align-self: flex-start;
  margin-bottom: 1.5rem;
}

.preview-image-box {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
  border: 2px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 1.5rem;
}

.preview-image-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth), opacity var(--transition-fast);
}

.preview-image-box:hover img {
  transform: scale(1.03);
}

.preview-overlay-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, transparent 100%);
  padding: 1.25rem;
}

.preview-overlay-info h4 {
  font-size: 1.1rem;
  font-weight: 700;
}

.preview-overlay-info p {
  font-size: 0.825rem;
  color: rgba(255, 255, 255, 0.8);
}

.preview-specs-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.spec-cell {
  display: flex;
  flex-direction: column;
}

.spec-cell span.spec-label {
  font-size: 0.725rem;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.spec-cell span.spec-val {
  font-size: 0.925rem;
  font-weight: 700;
  color: var(--color-white);
  margin-top: 0.15rem;
}

/* Configurator Form Panel */
.config-controls-panel {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.config-step {
  margin-bottom: 1.75rem;
}

.step-header {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.85rem;
}

.step-num {
  width: 26px;
  height: 26px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
}

.step-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-gray-900);
}

.pill-options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.65rem;
}

.pill-option {
  position: relative;
}

.pill-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.pill-label {
  display: flex;
  flex-direction: column;
  padding: 0.65rem 0.85rem;
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--color-white);
}

.pill-label .opt-name {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-gray-800);
}

.pill-label .opt-desc {
  font-size: 0.725rem;
  color: var(--color-gray-500);
  margin-top: 0.2rem;
}

.pill-option input[type="radio"]:checked + .pill-label {
  border-color: var(--color-primary);
  background-color: var(--color-primary-soft);
}

.pill-option input[type="radio"]:checked + .pill-label .opt-name {
  color: var(--color-primary);
}

.dimension-inputs-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.dim-field label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-gray-600);
  margin-bottom: 0.35rem;
}

.dim-field input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}

.config-actions-bar {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-gray-200);
}

@media (max-width: 992px) {
  .configurator-grid {
    grid-template-columns: 1fr;
  }
}

/* ===================================================================
   THE FF DIFFERENCE (Clopay Difference Inspired)
   =================================================================== */
.difference-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
}

.diff-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.diff-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--color-primary);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.diff-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary-light);
}

.diff-card:hover::before {
  opacity: 1;
}

.diff-icon-wrap {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.35rem;
  transition: all var(--transition-base);
}

.diff-card:hover .diff-icon-wrap {
  background: var(--color-primary);
  color: var(--color-white);
  transform: rotate(5deg) scale(1.05);
}

.diff-icon-wrap svg {
  width: 30px;
  height: 30px;
  fill: currentColor;
}

.diff-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 0.75rem;
}

.diff-text {
  font-size: 0.925rem;
  color: var(--color-gray-600);
  line-height: 1.6;
}

/* ===================================================================
   PRODUCT SHOWCASE & CATALOG
   =================================================================== */
.catalog-nav-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.catalog-tab-btn {
  padding: 0.65rem 1.35rem;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-gray-700);
  background: var(--color-gray-100);
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-fast);
}

.catalog-tab-btn:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.catalog-tab-btn.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(0, 72, 157, 0.3);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.product-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary-light);
}

.product-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  background-color: var(--color-gray-100);
  overflow: hidden;
}

.product-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.product-img-wrap.product-img-contain {
  background-color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.product-img-wrap.product-img-contain img {
  width: auto;
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
}

.product-card:hover .product-img-wrap img {
  transform: scale(1.05);
}

.product-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.product-badge.badge-amber {
  background: var(--color-accent);
}

.product-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-category {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-primary);
  letter-spacing: 0.08em;
  margin-bottom: 0.35rem;
}

.product-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 0.65rem;
  line-height: 1.3;
}

.product-desc {
  font-size: 0.875rem;
  color: var(--color-gray-600);
  margin-bottom: 1.25rem;
  line-height: 1.5;
  flex-grow: 1;
}

.product-features-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.feat-tag {
  background: var(--color-gray-100);
  color: var(--color-gray-700);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.feat-tag svg {
  width: 12px;
  height: 12px;
  fill: var(--color-primary);
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-gray-200);
  gap: 0.75rem;
}

/* ===================================================================
   SERVICES & MAINTENANCE BANNER
   =================================================================== */
.services-highlight-box {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  border-radius: var(--radius-xl);
  color: var(--color-white);
  padding: 3.5rem;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

.services-highlight-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.services-feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
}

.service-item-bullet {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.bullet-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.bullet-icon svg {
  width: 14px;
  height: 14px;
  fill: var(--color-white);
}

.service-item-bullet h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.service-item-bullet p {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.8);
}

.services-photo-box {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.35);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.services-photo-box img {
  width: 100%;
  height: auto;
  display: block;
}

@media (max-width: 900px) {
  .services-highlight-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .services-highlight-box {
    padding: 2.25rem 1.5rem;
  }
  .services-feature-list {
    grid-template-columns: 1fr;
  }
}

/* ===================================================================
   3-STEP PROCESS
   =================================================================== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  position: relative;
}

.process-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  border: 1px solid var(--color-gray-200);
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: all var(--transition-base);
}

.process-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

.process-step-badge {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-primary-soft);
  line-height: 1;
  margin-bottom: 1rem;
}

.process-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 0.75rem;
}

.process-desc {
  font-size: 0.9rem;
  color: var(--color-gray-600);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .process-grid {
    grid-template-columns: 1fr;
  }
}

/* ===================================================================
   TESTIMONIALS
   =================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.test-stars {
  color: #F59E0B;
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1rem;
}

.test-quote {
  font-size: 0.95rem;
  color: var(--color-gray-700);
  font-style: italic;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.test-author-box {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.05rem;
}

.author-info h5 {
  font-size: 0.925rem;
  font-weight: 700;
  color: var(--color-gray-900);
}

.author-info p {
  font-size: 0.775rem;
  color: var(--color-gray-500);
}

/* ===================================================================
   FAQ ACCORDION
   =================================================================== */
.faq-accordion {
  max-width: 840px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-gray-200);
}

.faq-button {
  width: 100%;
  padding: 1.35rem 0;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-gray-900);
  background: transparent;
  transition: color var(--transition-fast);
}

.faq-button:hover, .faq-item.active .faq-button {
  color: var(--color-primary);
}

.faq-chevron {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-base);
  flex-shrink: 0;
  fill: currentColor;
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base), padding var(--transition-base);
}

.faq-item.active .faq-content {
  max-height: 350px;
  padding-bottom: 1.35rem;
}

.faq-content p {
  font-size: 0.925rem;
  color: var(--color-gray-600);
  line-height: 1.6;
}

/* ===================================================================
   CONTACT & QUOTE SECTION
   =================================================================== */
.contact-section-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3.5rem;
  align-items: flex-start;
}

.contact-info-card {
  background: var(--color-primary-dark);
  color: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 3rem 2.5rem;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

.contact-info-card h3 {
  font-family: var(--font-heading);
  font-size: 1.65rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.contact-info-card p.contact-intro {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 2.25rem;
  line-height: 1.6;
}

.contact-detail-items {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.contact-detail-row {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #60A5FA;
}

.contact-icon-box svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.detail-text h5 {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.05em;
  margin-bottom: 0.2rem;
}

.detail-text a, .detail-text p {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-white);
}

.detail-text a:hover {
  color: #93C5FD;
}

.contact-form-box {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 3rem 2.5rem;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-gray-200);
}

.contact-form-box h3 {
  font-family: var(--font-heading);
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--color-gray-900);
  margin-bottom: 0.5rem;
}

.contact-form-box p.form-subtitle {
  font-size: 0.925rem;
  color: var(--color-gray-600);
  margin-bottom: 2rem;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.form-field {
  margin-bottom: 1.25rem;
}

.form-field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: 0.4rem;
}

.form-field label span.req {
  color: #EF4444;
}

.form-field input, .form-field select, .form-field textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-gray-300);
  background-color: var(--color-white);
  font-size: 0.925rem;
  transition: all var(--transition-fast);
}

.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 72, 157, 0.15);
}

.form-success-alert {
  display: none;
  background-color: #ECFDF5;
  border: 1px solid #A7F3D0;
  color: #065F46;
  padding: 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .contact-section-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .form-grid-2 {
    grid-template-columns: 1fr;
  }
}

/* ===================================================================
   FOOTER
   =================================================================== */
.main-footer {
  background-color: var(--color-dark);
  color: rgba(255, 255, 255, 0.8);
  padding-top: 5rem;
  padding-bottom: 2rem;
  border-top: 4px solid var(--color-primary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr 0.9fr 1.1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-gray-400);
  margin: 1.25rem 0 1.75rem;
}

.footer-logo-card {
  display: inline-flex;
  align-items: center;
  background: var(--color-white);
  padding: 0.65rem 1.15rem;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
  margin-bottom: 0.85rem;
  transition: transform var(--transition-base);
}

.footer-logo-card:hover {
  transform: translateY(-2px);
}

.footer-logo-img {
  height: 48px;
  width: auto;
  max-width: 260px;
  object-fit: contain;
  display: block;
}

.footer-col-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 1.35rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background-color: var(--color-primary);
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links-list a {
  font-size: 0.875rem;
  color: var(--color-gray-400);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all var(--transition-fast);
}

.footer-links-list a:hover {
  color: var(--color-white);
  transform: translateX(4px);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  color: var(--color-gray-400);
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  fill: var(--color-primary-light);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.8rem;
  color: var(--color-gray-500);
}

@media (max-width: 992px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* ===================================================================
   FLOATING ACTION BUTTONS (WhatsApp & Quick Call)
   =================================================================== */
.floating-actions {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  z-index: 999;
}

.floating-btn {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
  transition: all var(--transition-base);
  position: relative;
}

.floating-whatsapp {
  background-color: var(--color-whatsapp);
  color: var(--color-white);
}

.floating-whatsapp:hover {
  transform: scale(1.1);
  background-color: var(--color-whatsapp-dark);
}

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

.floating-tooltip {
  position: absolute;
  right: 70px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--color-dark);
  color: var(--color-white);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-md);
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-fast);
  box-shadow: var(--shadow-lg);
}

.floating-whatsapp:hover .floating-tooltip {
  opacity: 1;
}

/* Pulse animation on floating whatsapp */
.floating-whatsapp::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--color-whatsapp);
  animation: float-pulse 2s infinite;
  opacity: 0.75;
}

@keyframes float-pulse {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.4); opacity: 0; }
}

/* Modal Quick View */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(8px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-overlay.active {
  display: flex;
}

.modal-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  max-width: 650px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  position: relative;
  padding: 2.5rem;
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-600);
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: var(--color-gray-200);
  color: var(--color-dark);
}