/* ==========================================================================
   DIGITAL ONE TOUCH — PREMIUM STATIC STYLESHEET
   Strictly Vanilla CSS3 | Refined Light Theme with Frosted Glassmorphism
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS CUSTOM PROPERTIES (DESIGN SYSTEM TOKENS — LIGHT THEME)
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --bg-primary: #F7F8FA;
  --bg-secondary: #EDEFF3;
  --bg-card: rgba(255, 255, 255, 0.8);
  --bg-elevated: rgba(255, 255, 255, 0.92);
  --accent-red: #E11428;
  --deep-crimson: #9B0E1E;
  --crimson-glow: rgba(225, 20, 40, 0.14);
  --crimson-glow-strong: rgba(225, 20, 40, 0.28);
  
  --text-primary: #111215;
  --text-secondary: #484B52;
  --text-muted: #747882;
  --border-color: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(225, 20, 40, 0.4);
  --white: #FFFFFF;

  /* Frosted White Glassmorphism Design Tokens */
  --glass-bg: rgba(255, 255, 255, 0.76);
  --glass-bg-card: rgba(255, 255, 255, 0.82);
  --glass-bg-elevated: rgba(255, 255, 255, 0.94);
  --glass-bg-subtle: rgba(244, 246, 249, 0.78);
  --glass-border: 1px solid rgba(255, 255, 255, 0.95);
  --glass-border-red: 1px solid rgba(225, 20, 40, 0.35);
  --glass-blur: blur(20px) saturate(180%);
  --glass-blur-sm: blur(12px) saturate(160%);
  --glass-blur-lg: blur(30px) saturate(200%);
  --glass-shadow: 0 12px 36px rgba(0, 0, 0, 0.05), 0 2px 6px rgba(0, 0, 0, 0.03), inset 0 1px 0 rgba(255, 255, 255, 1);
  --glass-shadow-hover: 0 20px 48px rgba(225, 20, 40, 0.14), 0 4px 14px rgba(0, 0, 0, 0.06), inset 0 1px 0 rgba(255, 255, 255, 1);

  /* Typography: Google Font Exo 2 (Slender, Architectural & Elegant Sans) */
  --font-primary: 'Exo 2', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Layout & Spacing */
  --container-max-width: 1280px;
  --header-height: 80px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-base: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   2. RESET & GLOBAL BASE STYLES
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-primary);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}

body {
  overflow-x: hidden;
  position: relative;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-size: 1rem;
  font-weight: 300;
}

/* Light Studio Precision Grid */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(0, 0, 0, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
  z-index: 0;
}

/* Ambient Subtle Crimson Warmth for Light Glass Refraction */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: 
    radial-gradient(circle at 10% 16%, rgba(225, 20, 40, 0.06) 0%, transparent 45%),
    radial-gradient(circle at 90% 30%, rgba(225, 20, 40, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 15% 68%, rgba(225, 20, 40, 0.05) 0%, transparent 42%),
    radial-gradient(circle at 85% 88%, rgba(225, 20, 40, 0.07) 0%, transparent 45%);
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
}

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

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

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  background: none;
}

button {
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--accent-red);
  outline-offset: 3px;
}

/* --------------------------------------------------------------------------
   3. REUSABLE UTILITIES & TYPOGRAPHY
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
  position: relative;
  z-index: 1;
}

.section {
  padding: 110px 0;
  position: relative;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-red);
  margin-bottom: 16px;
}

.section-label::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  background-color: var(--accent-red);
  transform: rotate(45deg);
}

.section-title {
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  text-transform: uppercase;
  margin-bottom: 20px;
  max-width: 900px;
}

.section-description {
  font-size: clamp(1rem, 1.2vw, 1.15rem);
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 720px;
}

.section-header {
  margin-bottom: 64px;
}

.section-header.text-center {
  text-align: center;
}

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

.section-header.text-center .section-title,
.section-header.text-center .section-description {
  margin-left: auto;
  margin-right: auto;
}

/* Light Glass Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, #E11428 0%, #B80A1B 100%);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 8px 24px var(--crimson-glow-strong), inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #f01e33 0%, #cf0d20 100%);
  box-shadow: 0 12px 32px rgba(225, 20, 40, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.85);
  color: var(--text-primary);
  border: 1px solid rgba(0, 0, 0, 0.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04), inset 0 1px 0 #FFFFFF;
}

.btn-secondary:hover {
  border-color: var(--accent-red);
  color: var(--accent-red);
  background: rgba(225, 20, 40, 0.06);
  box-shadow: 0 8px 25px rgba(225, 20, 40, 0.15), inset 0 1px 0 #FFFFFF;
  transform: translateY(-2px);
}

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

.btn:hover .btn-arrow {
  transform: translate(2px, -2px);
}

.btn-whatsapp {
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.35);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.32), inset 0 1px 0 rgba(255, 255, 255, 0.4);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-whatsapp:hover {
  background: linear-gradient(135deg, #2be46e 0%, #0f7a6e 100%);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.5);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.whatsapp-btn-icon {
  flex-shrink: 0;
  fill: currentColor;
}

/* --------------------------------------------------------------------------
   4. HEADER & NAVIGATION (FROSTED WHITE GLASS)
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
  transition: background-color var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.site-header.scrolled {
  background-color: rgba(255, 255, 255, 0.94);
  border-bottom-color: rgba(0, 0, 0, 0.1);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.07);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.25rem;
  font-weight: 300;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  text-transform: none;
}

.logo-dot {
  width: 9px;
  height: 9px;
  background-color: var(--accent-red);
  border-radius: 2px;
  display: inline-block;
  box-shadow: 0 0 8px var(--accent-red);
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--text-secondary);
  text-transform: uppercase;
  position: relative;
  padding: 8px 0;
}

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

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

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

.header-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Mobile Hamburger Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 10px;
}

.hamburger-line {
  width: 22px;
  height: 2px;
  background-color: var(--text-primary);
  margin: 2.5px 0;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav Drawer */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height));
  background-color: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  padding: 36px 24px;
  flex-direction: column;
  justify-content: space-between;
  z-index: 999;
  overflow-y: auto;
}

.mobile-menu.active {
  display: flex;
}

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

.mobile-nav-link {
  font-size: 1.25rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

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

.mobile-menu-footer {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* --------------------------------------------------------------------------
   5. HERO SECTION
   -------------------------------------------------------------------------- */
.hero-section {
  min-height: 100vh;
  padding-top: calc(var(--header-height) + 40px);
  padding-bottom: 80px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

/* Soft Crimson Ambient Hero Light */
.hero-section::after {
  content: '';
  position: absolute;
  top: 12%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 500px;
  background: radial-gradient(circle, rgba(225, 20, 40, 0.09) 0%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  display: flex;
  flex-direction: column;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-red);
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(2.6rem, 5.8vw, 4.8rem);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--text-primary);
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero-subtitle {
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  font-weight: 400;
  color: #1e2024;
  margin-bottom: 18px;
  line-height: 1.35;
}

.hero-text {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 600px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 50px;
}

/* Trust Indicators in Frosted White Glass */
.trust-indicators {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding-top: 32px;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04), inset 0 1px 0 #FFFFFF;
}

.trust-icon {
  width: 22px;
  height: 22px;
  color: var(--accent-red);
  flex-shrink: 0;
}

.trust-text {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-primary);
  line-height: 1.3;
}

/* Hero Visual / Industrial Mockup Stage with Light Glass Card */
.hero-visual {
  position: relative;
}

.hero-visual-card {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.95);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.08), 0 0 30px rgba(225, 20, 40, 0.06), inset 0 1px 0 #FFFFFF;
  aspect-ratio: 4 / 3.4;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.hero-visual-card:hover .hero-img {
  transform: scale(1.03);
}

.hero-overlay-tag {
  position: absolute;
  bottom: 20px;
  left: 20px;
  right: 20px;
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.95);
  border-left: 3px solid var(--accent-red);
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08), inset 0 1px 0 #FFFFFF;
}

.hero-overlay-tag h4 {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-primary);
}

.hero-overlay-tag p {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   6. SERVICES OVERVIEW (10 FROSTED WHITE GLASS CARDS)
   -------------------------------------------------------------------------- */
.services-overview-section {
  background-color: transparent;
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.overview-card {
  background: var(--glass-bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base), background-color var(--transition-base);
  position: relative;
  box-shadow: var(--glass-shadow);
}

.overview-card:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(225, 20, 40, 0.35);
  box-shadow: var(--glass-shadow-hover);
}

.overview-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-red), #ff4d5e);
  transition: width var(--transition-base);
  z-index: 2;
}

.overview-card:hover::before {
  width: 100%;
}

.overview-img-wrap {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: rgba(230, 233, 238, 0.6);
  position: relative;
}

.overview-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.overview-card:hover .overview-img {
  transform: scale(1.06);
}

.overview-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.overview-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 12px;
}

.overview-num {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--accent-red);
}

.overview-title {
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: 10px;
}

.overview-desc {
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 20px;
  flex-grow: 1;
}

.overview-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-primary);
  transition: color var(--transition-fast), gap var(--transition-fast);
}

.overview-link:hover {
  color: var(--accent-red);
  gap: 12px;
}

/* --------------------------------------------------------------------------
   7. COMPLETE DETAILED SERVICE CATALOGUE (FROSTED WHITE MONOLITHS)
   -------------------------------------------------------------------------- */
.catalogue-section {
  background-color: transparent;
}

.catalogue-list {
  display: flex;
  flex-direction: column;
  gap: 80px;
}

.service-category-block {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-base), box-shadow var(--transition-base), background-color var(--transition-base);
  scroll-margin-top: calc(var(--header-height) + 20px);
  box-shadow: var(--glass-shadow);
}

.service-category-block:hover {
  background: rgba(255, 255, 255, 0.94);
  border-color: rgba(225, 20, 40, 0.35);
  box-shadow: var(--glass-shadow-hover);
}

.category-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
}

/* Alternating layout for odd/even categories */
.service-category-block:nth-child(even) .category-inner {
  direction: rtl;
}

.service-category-block:nth-child(even) .category-content,
.service-category-block:nth-child(even) .category-visual {
  direction: ltr;
}

.category-content {
  padding: 48px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.category-header-wrap {
  margin-bottom: 30px;
}

.category-num-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--accent-red);
  margin-bottom: 12px;
}

.category-title {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 400;
  color: var(--text-primary);
  line-height: 1.2;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.category-desc {
  font-size: 1rem;
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.65;
}

.services-list-title {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.services-list-title::after {
  content: '';
  flex-grow: 1;
  height: 1px;
  background-color: rgba(0, 0, 0, 0.08);
}

/* Service Items Multi-column / Frosted Light Pills */
.service-items-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 16px;
  margin-bottom: 36px;
}

.service-item-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
  color: var(--text-primary);
  padding: 9px 14px;
  background: rgba(244, 246, 249, 0.8);
  backdrop-filter: var(--glass-blur-sm);
  -webkit-backdrop-filter: var(--glass-blur-sm);
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-radius: var(--radius-sm);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
  transition: all var(--transition-fast);
}

.service-item-pill:hover {
  background: rgba(225, 20, 40, 0.08);
  border-color: rgba(225, 20, 40, 0.35);
  box-shadow: 0 4px 12px rgba(225, 20, 40, 0.12);
  color: var(--accent-red);
  transform: translateX(2px);
}

.service-pill-bullet {
  width: 5px;
  height: 5px;
  background-color: var(--accent-red);
  border-radius: 50%;
  flex-shrink: 0;
}

.category-cta-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.category-visual {
  position: relative;
  background-color: rgba(230, 233, 238, 0.5);
  min-height: 420px;
  overflow: hidden;
}

.category-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.service-category-block:hover .category-img {
  transform: scale(1.04);
}

/* Corner frosted tag */
.category-visual-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  background-color: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.95);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06), inset 0 1px 0 #FFFFFF;
}

/* --------------------------------------------------------------------------
   8. WHY CHOOSE US (LIGHT FROSTED PANELS)
   -------------------------------------------------------------------------- */
.why-us-section {
  background-color: transparent;
}

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

.benefit-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base), background-color var(--transition-base);
  position: relative;
  box-shadow: var(--glass-shadow);
}

.benefit-card:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(225, 20, 40, 0.35);
  box-shadow: var(--glass-shadow-hover);
}

.benefit-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(225, 20, 40, 0.08);
  border: 1px solid rgba(225, 20, 40, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--accent-red);
  transition: background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.benefit-card:hover .benefit-icon-wrap {
  background: var(--accent-red);
  color: #FFFFFF;
  border-color: var(--accent-red);
  box-shadow: 0 4px 16px rgba(225, 20, 40, 0.35);
}

.benefit-icon {
  width: 26px;
  height: 26px;
}

.benefit-title {
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.benefit-desc {
  font-size: 0.9375rem;
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   9. PORTFOLIO / SELECTED WORK
   -------------------------------------------------------------------------- */
.portfolio-section {
  background-color: transparent;
}

.portfolio-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 48px;
}

.filter-btn {
  padding: 10px 22px;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03), inset 0 1px 0 #FFFFFF;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--text-primary);
  background: #FFFFFF;
  border-color: rgba(0, 0, 0, 0.2);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);
}

.filter-btn.active {
  color: #FFFFFF;
  background: linear-gradient(135deg, #E11428 0%, #B80A1B 100%);
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: 0 6px 20px var(--crimson-glow-strong);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}

.portfolio-item {
  background: var(--glass-bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  box-shadow: var(--glass-shadow);
}

.portfolio-item.hidden {
  display: none;
}

.portfolio-item:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(225, 20, 40, 0.35);
  box-shadow: var(--glass-shadow-hover);
}

.portfolio-img-wrap {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: rgba(230, 233, 238, 0.5);
  position: relative;
}

.portfolio-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.portfolio-item:hover .portfolio-img {
  transform: scale(1.06);
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(14, 15, 18, 0.92) 0%, rgba(14, 15, 18, 0.35) 60%, transparent 100%);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: flex-end;
  padding: 24px;
  opacity: 0.92;
  transition: opacity var(--transition-fast);
}

.portfolio-meta {
  width: 100%;
}

.portfolio-cat-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-red);
  margin-bottom: 6px;
}

.portfolio-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.3;
}

/* Lightbox Frosted Modal */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(17, 18, 22, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

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

.modal-dialog {
  max-width: 900px;
  width: 100%;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: var(--glass-blur-lg);
  -webkit-backdrop-filter: var(--glass-blur-lg);
  border: 1px solid rgba(255, 255, 255, 1);
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.2), inset 0 1px 0 #FFFFFF;
}

.modal-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(0, 0, 0, 0.1);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  z-index: 10;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background-color: var(--accent-red);
  color: #FFFFFF;
  border-color: var(--accent-red);
}

.modal-img {
  width: 100%;
  max-height: 65vh;
  object-fit: contain;
  background-color: #F1F3F5;
}

.modal-info {
  padding: 24px 28px;
}

.modal-cat {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-red);
  margin-bottom: 6px;
}

.modal-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.modal-note {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   10. HOW IT WORKS / OUR PROCESS (LIGHT FROSTED STEPS)
   -------------------------------------------------------------------------- */
.process-section {
  background-color: transparent;
}

.process-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

/* Connecting Horizontal Line on Desktop */
.process-timeline::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 40px;
  right: 40px;
  height: 1px;
  background: linear-gradient(to right, var(--accent-red), rgba(0, 0, 0, 0.08) 70%);
  z-index: 0;
}

.process-step {
  position: relative;
  z-index: 1;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base), background-color var(--transition-base);
  box-shadow: var(--glass-shadow);
}

.process-step:hover {
  transform: translateY(-5px);
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(225, 20, 40, 0.35);
  box-shadow: var(--glass-shadow-hover);
}

.step-num-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: rgba(225, 20, 40, 0.08);
  border: 1px solid rgba(225, 20, 40, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 500;
  color: var(--accent-red);
  margin-bottom: 24px;
}

.process-step:hover .step-num-wrap {
  background: linear-gradient(135deg, #E11428 0%, #B80A1B 100%);
  color: #FFFFFF;
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(225, 20, 40, 0.3);
}

.step-title {
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.step-desc {
  font-size: 0.9375rem;
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   11. FREQUENTLY ASKED QUESTIONS (LIGHT GLASS ACCORDION)
   -------------------------------------------------------------------------- */
.faq-section {
  background-color: transparent;
}

.faq-container {
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--glass-shadow);
}

.faq-item.active {
  background: rgba(255, 255, 255, 0.95);
  border-color: rgba(225, 20, 40, 0.35);
  box-shadow: 0 16px 45px rgba(225, 20, 40, 0.1), inset 0 1px 0 #FFFFFF;
}

.faq-trigger {
  width: 100%;
  padding: 24px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  text-align: left;
  background-color: transparent;
  color: var(--text-primary);
  font-size: 1.05rem;
  font-weight: 400;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.faq-trigger:hover {
  color: var(--accent-red);
}

.faq-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-red);
  transition: transform var(--transition-base);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

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

.faq-panel-content {
  padding: 0 28px 24px 28px;
  font-size: 0.975rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* --------------------------------------------------------------------------
   12. CONTACT AND QUOTATION SECTION (FROSTED WHITE GLASS FORM)
   -------------------------------------------------------------------------- */
.contact-section {
  background-color: transparent;
  position: relative;
  overflow: hidden;
}

/* Soft Crimson Ambient Backlight */
.contact-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 10%;
  width: 650px;
  height: 520px;
  background: radial-gradient(circle, rgba(225, 20, 40, 0.1) 0%, transparent 70%);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 60px;
  position: relative;
  z-index: 1;
}

.contact-info {
  display: flex;
  flex-direction: column;
}

.contact-meta-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 36px;
}

.contact-meta-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border);
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.04), inset 0 1px 0 #FFFFFF;
}

.contact-meta-icon {
  width: 24px;
  height: 24px;
  color: var(--accent-red);
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-meta-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.contact-meta-val {
  font-size: 0.9375rem;
  color: var(--text-primary);
  font-weight: 600;
}

/* Frosted White Form Card */
.quote-form-card {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: var(--glass-blur-lg);
  -webkit-backdrop-filter: var(--glass-blur-lg);
  border: 1px solid rgba(255, 255, 255, 1);
  border-radius: var(--radius-lg);
  padding: 44px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.08), 0 0 35px rgba(225, 20, 40, 0.08), inset 0 1px 0 #FFFFFF;
  position: relative;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.form-label {
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.required-star {
  color: var(--accent-red);
}

/* Frosted Light Inputs */
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 13px 16px;
  background: rgba(246, 248, 251, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.9375rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  background: #FFFFFF;
  border-color: var(--accent-red);
  box-shadow: 0 0 0 3px rgba(225, 20, 40, 0.18);
  outline: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #8E929B;
}

.form-select {
  cursor: pointer;
}

.form-select option {
  background-color: #FFFFFF;
  color: var(--text-primary);
}

.form-textarea {
  resize: vertical;
  min-height: 110px;
}

.form-notice {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-top: 14px;
}

/* Form Live Notification Banner */
.form-status {
  display: none;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  font-size: 0.875rem;
  line-height: 1.5;
}

.form-status.active {
  display: block;
}

.form-status.warning {
  background-color: rgba(225, 20, 40, 0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--accent-red);
  color: #B51020;
}

.form-status.info {
  background-color: rgba(30, 144, 255, 0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid #1e90ff;
  color: #0b63b8;
}

.form-status.success {
  background-color: rgba(37, 211, 102, 0.1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid #25D366;
  color: #0d8036;
}

/* --------------------------------------------------------------------------
   13. FOOTER (CLEAN STUDIO LIGHT FOOTER)
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: #E9ECF0;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  padding: 80px 0 30px 0;
  position: relative;
  z-index: 1;
}

.footer-main-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr 1.2fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 1.25rem;
  font-weight: 300;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  text-transform: none;
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 0.9375rem;
  font-weight: 300;
  color: var(--text-secondary);
  line-height: 1.65;
  max-width: 320px;
}

.footer-col-title {
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: 24px;
  position: relative;
  display: inline-block;
}

.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 16px;
  height: 2px;
  background-color: var(--accent-red);
}

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

.footer-link {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: inline-block;
}

.footer-link:hover {
  color: var(--accent-red);
  transform: translateX(3px);
}

.footer-services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 20px;
}

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-contact-item {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.footer-contact-item strong {
  color: var(--text-primary);
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 2px;
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.copyright-text {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.back-to-top-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color var(--transition-fast), transform var(--transition-fast);
  background: none;
  border: none;
  padding: 6px 0;
}

.back-to-top-btn:hover {
  color: var(--accent-red);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   14. RESPONSIVE BREAKPOINTS (1440, 1024, 768, 480, 320)
   -------------------------------------------------------------------------- */

/* Standard Laptop & Large Tablet (1024px) */
@media screen and (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-visual-card {
    max-width: 650px;
    margin: 0 auto;
  }

  .category-inner {
    grid-template-columns: 1fr;
  }

  .service-category-block:nth-child(even) .category-inner {
    direction: ltr;
  }

  .category-visual {
    min-height: 320px;
    order: -1;
  }

  .benefits-grid,
  .process-timeline {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-timeline::before {
    display: none;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

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

/* Tablet & Mobile Landscape (768px) */
@media screen and (max-width: 768px) {
  .section {
    padding: 75px 0;
  }

  .nav-desktop {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .trust-indicators {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

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

  .category-content {
    padding: 32px 24px;
  }

  .quote-form-card {
    padding: 30px 20px;
  }

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

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

/* Mobile Small (480px) */
@media screen and (max-width: 480px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }

  .header-cta .btn {
    padding: 10px 16px;
    font-size: 0.75rem;
  }

  .logo {
    font-size: 0.95rem;
  }

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

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

  .trust-indicators {
    grid-template-columns: 1fr;
  }

  .benefits-grid,
  .process-timeline {
    grid-template-columns: 1fr;
  }

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

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

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Extra Small (320px) */
@media screen and (max-width: 320px) {
  .logo {
    font-size: 0.85rem;
  }

  .header-cta .btn {
    display: none;
  }
}

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* --------------------------------------------------------------------------
   15. FLOATING WHATSAPP CHAT WIDGET & CONTACT LINKS
   -------------------------------------------------------------------------- */
.contact-link {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.contact-link:hover {
  color: var(--accent-red);
}

.contact-meta-whatsapp .contact-meta-icon {
  color: #25D366;
}

.contact-meta-whatsapp .contact-link:hover {
  color: #25D366;
}

.whatsapp-float-btn {
  position: fixed;
  right: 28px;
  bottom: 28px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4), 0 4px 12px rgba(0, 0, 0, 0.12);
  z-index: 9999;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s ease;
}

.whatsapp-float-btn:hover {
  transform: scale(1.08) translateY(-3px);
  box-shadow: 0 14px 32px rgba(37, 211, 102, 0.55), 0 6px 16px rgba(0, 0, 0, 0.15);
  color: #FFFFFF;
}

.whatsapp-float-icon {
  width: 32px;
  height: 32px;
  fill: #FFFFFF;
  transition: transform 0.25s ease;
}

.whatsapp-float-btn:hover .whatsapp-float-icon {
  transform: rotate(-5deg) scale(1.05);
}

.whatsapp-float-pulse {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid #25D366;
  opacity: 0.8;
  animation: whatsappPulse 2.4s infinite ease-out;
  pointer-events: none;
}

@keyframes whatsappPulse {
  0% {
    transform: scale(1);
    opacity: 0.8;
  }
  60% {
    transform: scale(1.45);
    opacity: 0;
  }
  100% {
    transform: scale(1.45);
    opacity: 0;
  }
}

.whatsapp-float-tooltip {
  position: absolute;
  right: calc(100% + 14px);
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  background: rgba(18, 20, 24, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #FFFFFF;
  font-family: var(--font-primary);
  font-size: 0.8125rem;
  font-weight: 500;
  white-space: nowrap;
  padding: 8px 14px;
  border-radius: 20px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  pointer-events: none;
}

.whatsapp-float-tooltip::after {
  content: '';
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border-width: 5px;
  border-style: solid;
  border-color: transparent transparent transparent rgba(18, 20, 24, 0.94);
}

.whatsapp-float-btn:hover .whatsapp-float-tooltip,
.whatsapp-float-btn:focus-visible .whatsapp-float-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) translateX(0);
}

@media screen and (max-width: 768px) {
  .whatsapp-float-btn {
    right: 18px;
    bottom: 18px;
    width: 52px;
    height: 52px;
  }
  .whatsapp-float-icon {
    width: 28px;
    height: 28px;
  }
  .whatsapp-float-tooltip {
    display: none;
  }
}