/* ==========================================================================
   MM GLASS FILM - MAIN STYLESHEET
   Decorate | Protect | Enhance
   Clean, modern, responsive CSS with zero external frameworks
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties & Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Color Palette */
  --color-primary: #0f172a;        /* Deep charcoal slate */
  --color-primary-light: #1e293b;  /* Slate medium */
  --color-secondary: #334155;      /* Text secondary */
  --color-muted: #64748b;          /* Text muted */
  --color-border: #e2e8f0;         /* Hairline border */
  --color-border-light: #f1f5f9;   /* Very light border */

  /* Backgrounds */
  --bg-body: #ffffff;              /* Crisp white */
  --bg-surface: #f8fafc;           /* Soft off-white */
  --bg-surface-alt: #f1f5f9;       /* Secondary off-white */
  --bg-card: #ffffff;              /* Card background */

  /* WhatsApp & Accent Colors */
  --color-whatsapp: #25d366;       /* WhatsApp Brand Green */
  --color-whatsapp-hover: #1eb857; /* WhatsApp Darker Green */
  --color-whatsapp-dark: #128c7e;  /* WhatsApp Teal/Dark */
  --color-whatsapp-bg: #ecfdf5;    /* WhatsApp Soft Tint */
  --color-whatsapp-glow: rgba(37, 211, 102, 0.25);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-display: 'Figtree', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Spacing Scale */
  --space-xs: 0.5rem;   /* 8px */
  --space-sm: 0.75rem;  /* 12px */
  --space-md: 1rem;     /* 16px */
  --space-lg: 1.5rem;   /* 24px */
  --space-xl: 2rem;     /* 32px */
  --space-2xl: 3rem;    /* 48px */
  --space-3xl: 4.5rem;  /* 72px */
  --space-4xl: 6rem;    /* 96px */

  /* Container & Layout */
  --container-max: 1200px;
  --container-pad: 1.5rem;
  --header-height: 76px;

  /* Shadows & Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 16px -2px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 32px -4px rgba(15, 23, 42, 0.08);
  --shadow-hover: 0 20px 40px -8px rgba(15, 23, 42, 0.12);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-base: 250ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* --------------------------------------------------------------------------
   2. Reset & Base Elements
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-body);
  color: var(--color-secondary);
  line-height: 1.65;
  font-size: 1rem;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-primary);
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.25;
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

:focus-visible {
  outline: 2px solid var(--color-whatsapp-dark);
  outline-offset: 3px;
}

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

.section {
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-4xl);
}

.section-alt {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto var(--space-3xl) auto;
}

.section-badge {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-whatsapp-dark);
  margin-bottom: var(--space-xs);
}

.section-title {
  font-size: clamp(1.875rem, 3.5vw, 2.5rem);
  letter-spacing: -0.02em;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.section-description {
  font-size: 1.0625rem;
  color: var(--color-muted);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   4. Buttons & Badges
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.375rem;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
  user-select: none;
}

.btn-primary {
  background-color: var(--color-primary);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-whatsapp {
  background-color: var(--color-whatsapp);
  color: #ffffff;
  box-shadow: 0 4px 14px var(--color-whatsapp-glow);
}

.btn-whatsapp:hover {
  background-color: var(--color-whatsapp-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  color: #ffffff;
}

.btn-secondary {
  background-color: #ffffff;
  color: var(--color-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--bg-surface);
  border-color: var(--color-muted);
  transform: translateY(-2px);
}

.btn-outline-whatsapp {
  background-color: transparent;
  color: var(--color-whatsapp-dark);
  border: 1.5px solid var(--color-whatsapp);
}

.btn-outline-whatsapp:hover {
  background-color: var(--color-whatsapp);
  color: #ffffff;
  transform: translateY(-2px);
}

.btn-icon {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   5. Header & Navigation (Sticky & Glassmorphic)
   -------------------------------------------------------------------------- */
.header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  transition: all var(--transition-base);
}

.header.scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--color-border);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

/* Brand Wordmark */
.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo-mark {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #1e293b 100%);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.125rem;
  letter-spacing: -0.03em;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

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

.brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1875rem;
  color: var(--color-primary);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.brand-tagline {
  font-size: 0.6875rem;
  color: var(--color-muted);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Desktop Nav Links */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-secondary);
  position: relative;
  padding: 0.25rem 0;
}

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

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

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

.nav-link.active {
  color: var(--color-primary);
  font-weight: 600;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Mobile Toggle Hamburger */
.mobile-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  background-color: var(--bg-surface);
  border: 1px solid var(--color-border);
}

.mobile-toggle:hover {
  background-color: var(--bg-surface-alt);
}

.hamburger-line {
  width: 20px;
  height: 2px;
  background-color: currentColor;
  position: relative;
  transition: all var(--transition-fast);
}

.hamburger-line::before,
.hamburger-line::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 2px;
  background-color: currentColor;
  left: 0;
  transition: all var(--transition-fast);
}

.hamburger-line::before {
  top: -6px;
}

.hamburger-line::after {
  bottom: -6px;
}

.mobile-toggle[aria-expanded="true"] .hamburger-line {
  background-color: transparent;
}

.mobile-toggle[aria-expanded="true"] .hamburger-line::before {
  top: 0;
  transform: rotate(45deg);
}

.mobile-toggle[aria-expanded="true"] .hamburger-line::after {
  bottom: 0;
  transform: rotate(-45deg);
}

/* Mobile Menu Drawer */
.mobile-drawer {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(4px);
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

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

.mobile-drawer-content {
  background-color: #ffffff;
  padding: 1.5rem;
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  transform: translateY(-10px);
  transition: transform var(--transition-base);
}

.mobile-drawer.open .mobile-drawer-content {
  transform: translateY(0);
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.mobile-nav-link {
  display: block;
  padding: 0.75rem 1rem;
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  background-color: var(--bg-surface);
  color: var(--color-whatsapp-dark);
}

/* --------------------------------------------------------------------------
   6. Hero Section
   -------------------------------------------------------------------------- */
.hero-section {
  padding-top: clamp(2.5rem, 5vw, 4.5rem);
  padding-bottom: clamp(3rem, 6vw, 5.5rem);
  background: radial-gradient(circle at 80% 20%, rgba(37, 211, 102, 0.04) 0%, transparent 60%),
              radial-gradient(circle at 10% 80%, rgba(15, 23, 42, 0.02) 0%, transparent 50%),
              #ffffff;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  align-items: center;
  gap: clamp(2rem, 4vw, 4rem);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.875rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-whatsapp);
}

.hero-heading {
  font-size: clamp(2.25rem, 4.2vw, 3.25rem);
  letter-spacing: -0.03em;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.hero-text {
  font-size: 1.125rem;
  color: var(--color-secondary);
  line-height: 1.65;
  margin-bottom: 1.75rem;
  max-width: 540px;
}

.hero-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.hero-highlight-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-primary);
}

.hero-highlight-check {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--color-whatsapp-bg);
  color: var(--color-whatsapp-dark);
  font-size: 0.75rem;
  flex-shrink: 0;
}

.hero-cta-group {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  align-items: flex-start;
}

.hero-cta-btn {
  font-size: 1.0625rem;
  padding: 0.875rem 1.75rem;
}

.hero-secondary-text {
  font-size: 0.8125rem;
  color: var(--color-muted);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* Hero Visual Media Frame */
.hero-visual {
  position: relative;
}

.hero-image-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  background-color: var(--bg-surface);
  aspect-ratio: 16 / 10;
}

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

.hero-image-card:hover img {
  transform: scale(1.02);
}

.hero-floating-pill {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  background-color: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 0.75rem 1.125rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.floating-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background-color: var(--color-whatsapp-bg);
  color: var(--color-whatsapp-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.floating-label {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}

.floating-sub {
  font-size: 0.6875rem;
  color: var(--color-muted);
}

/* --------------------------------------------------------------------------
   7. About Section
   -------------------------------------------------------------------------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(2rem, 5vw, 4.5rem);
}

.about-visual {
  position: relative;
}

.about-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  aspect-ratio: 4 / 3;
  background-color: var(--bg-surface);
}

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

.about-image-wrapper:hover img {
  transform: scale(1.02);
}

.about-content-wrap {
  display: flex;
  flex-direction: column;
}

.about-title {
  font-size: clamp(1.875rem, 3.2vw, 2.375rem);
  letter-spacing: -0.02em;
  color: var(--color-primary);
  margin-bottom: 1.25rem;
  line-height: 1.25;
}

.about-paragraph {
  font-size: 1.0625rem;
  color: var(--color-secondary);
  line-height: 1.7;
  margin-bottom: 1.75rem;
}

.about-feature-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 2rem;
}

.about-feature-item {
  padding: 1rem;
  background-color: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.about-feature-name {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.about-feature-desc {
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   8. Services Section
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.service-card {
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: #cbd5e1;
  box-shadow: var(--shadow-hover);
}

.service-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--bg-surface-alt);
  border-bottom: 1px solid var(--color-border-light);
}

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

.service-card:hover .service-thumb img {
  transform: scale(1.05);
}

.service-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.625rem;
  line-height: 1.3;
}

.service-desc {
  font-size: 0.9375rem;
  color: var(--color-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.service-btn {
  width: 100%;
  padding: 0.6875rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   9. Why Choose Us Section
   -------------------------------------------------------------------------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.why-card {
  background-color: #ffffff;
  padding: 2rem 1.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  text-align: left;
}

.why-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

.why-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--bg-surface);
  color: var(--color-whatsapp-dark);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.why-icon-box svg {
  width: 24px;
  height: 24px;
}

.why-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.why-desc {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   10. Project Gallery Section & Filter Tabs
   -------------------------------------------------------------------------- */
.gallery-filter-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}

.filter-btn {
  padding: 0.5rem 1.125rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-secondary);
  background-color: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--color-primary);
  border-color: var(--color-muted);
  background-color: var(--bg-surface);
}

.filter-btn.active {
  background-color: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--bg-surface);
  border: 1px solid var(--color-border);
  aspect-ratio: 4 / 3;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

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

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.85) 0%, rgba(15, 23, 42, 0.2) 60%, transparent 100%);
  opacity: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1rem;
  color: #ffffff;
  transition: opacity var(--transition-base);
}

.gallery-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

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

.gallery-item:hover .gallery-overlay {
  opacity: 1;
}

.gallery-cat {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #a7f3d0;
  margin-bottom: 0.25rem;
}

.gallery-title {
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.3;
}

/* --------------------------------------------------------------------------
   11. Lightweight Vanilla Lightbox
   -------------------------------------------------------------------------- */
.lightbox {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.lightbox.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  position: relative;
  max-width: 900px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-img-wrap {
  width: 100%;
  max-height: 75vh;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: #000000;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.lightbox-img-wrap img {
  max-width: 100%;
  max-height: 75vh;
  object-fit: contain;
}

.lightbox-caption {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1rem;
  color: #ffffff;
}

.lightbox-title {
  font-size: 1rem;
  font-weight: 600;
}

.lightbox-category {
  font-size: 0.8125rem;
  color: #94a3b8;
}

.lightbox-close {
  position: absolute;
  top: -2.75rem;
  right: 0;
  width: 36px;
  height: 36px;
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast);
}

.lightbox-close:hover {
  background-color: rgba(255, 255, 255, 0.3);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 44px;
  height: 44px;
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast);
}

.lightbox-nav:hover {
  background-color: rgba(255, 255, 255, 0.3);
}

.lightbox-prev {
  left: -3.5rem;
}

.lightbox-next {
  right: -3.5rem;
}

/* --------------------------------------------------------------------------
   12. Our Process Section
   -------------------------------------------------------------------------- */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  position: relative;
}

.process-card {
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 2rem 1.5rem;
  position: relative;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.process-number {
  font-family: var(--font-display);
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1;
  color: var(--color-whatsapp-dark);
  margin-bottom: 1rem;
  opacity: 0.9;
}

.process-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.process-desc {
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   13. WhatsApp Large CTA Banner
   -------------------------------------------------------------------------- */
.cta-section {
  padding: clamp(3.5rem, 6vw, 5.5rem) 0;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  color: #ffffff;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37, 211, 102, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-inner {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin: 0 auto;
}

.cta-title {
  font-size: clamp(2rem, 3.8vw, 2.75rem);
  letter-spacing: -0.02em;
  color: #ffffff;
  margin-bottom: 1rem;
}

.cta-text {
  font-size: 1.125rem;
  color: #cbd5e1;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.cta-btn {
  font-size: 1.0625rem;
  padding: 0.875rem 2rem;
}

/* --------------------------------------------------------------------------
   14. FAQ Section (Accessible Accordion)
   -------------------------------------------------------------------------- */
.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: #ffffff;
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.faq-item:hover {
  border-color: #cbd5e1;
}

.faq-item.active {
  border-color: var(--color-whatsapp-dark);
  box-shadow: var(--shadow-sm);
}

.faq-trigger {
  width: 100%;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  text-align: left;
  font-weight: 600;
  font-size: 1.0625rem;
  color: var(--color-primary);
  background: none;
}

.faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--color-muted);
  transition: transform var(--transition-fast);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--color-whatsapp-dark);
}

.faq-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base), padding var(--transition-base);
  padding: 0 1.5rem;
}

.faq-item.active .faq-panel {
  max-height: 300px;
  padding: 0 1.5rem 1.25rem 1.5rem;
}

.faq-answer {
  font-size: 0.9375rem;
  color: var(--color-secondary);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   15. Contact Section
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: start;
}

.contact-info-card {
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
}

.contact-block {
  margin-bottom: 1.75rem;
}

.contact-block:last-child {
  margin-bottom: 0;
}

.contact-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  margin-bottom: 0.375rem;
}

.contact-value {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-primary);
}

.contact-address {
  font-size: 1rem;
  color: var(--color-secondary);
  line-height: 1.5;
  font-style: normal;
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.contact-map-card {
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.map-placeholder-box {
  width: 100%;
  aspect-ratio: 16 / 10;
  background-color: var(--bg-surface-alt);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  text-align: center;
  margin-bottom: 1.5rem;
}

.map-icon {
  width: 44px;
  height: 44px;
  color: var(--color-whatsapp-dark);
  margin-bottom: 0.75rem;
}

.map-pin-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.map-pin-address {
  font-size: 0.875rem;
  color: var(--color-muted);
  max-width: 320px;
}

/* --------------------------------------------------------------------------
   16. Floating WhatsApp Button
   -------------------------------------------------------------------------- */
.floating-whatsapp {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 90;
  display: flex;
  align-items: center;
  gap: 0.625rem;
  background-color: var(--color-whatsapp);
  color: #ffffff;
  padding: 0.875rem 1.25rem 0.875rem 1rem;
  border-radius: var(--radius-full);
  box-shadow: 0 8px 24px var(--color-whatsapp-glow);
  font-weight: 600;
  font-size: 0.9375rem;
  transition: all var(--transition-base);
  text-decoration: none;
}

.floating-whatsapp:hover {
  background-color: var(--color-whatsapp-hover);
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.45);
  color: #ffffff;
}

.floating-whatsapp-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   17. Mobile Bottom Action Bar (Mobile Only)
   -------------------------------------------------------------------------- */
.mobile-bottom-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 85;
  background-color: #ffffff;
  border-top: 1px solid var(--color-border);
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.06);
  padding: 0.625rem 1rem;
  height: 60px;
}

.mobile-bottom-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  height: 100%;
  max-width: 480px;
  margin: 0 auto;
}

.mobile-bottom-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.9375rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  height: 100%;
  text-decoration: none;
}

.btn-mobile-call {
  background-color: var(--color-primary);
  color: #ffffff;
}

.btn-mobile-whatsapp {
  background-color: var(--color-whatsapp);
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   18. Footer
   -------------------------------------------------------------------------- */
.footer {
  background-color: #0b1120;
  color: #94a3b8;
  padding-top: 4.5rem;
  padding-bottom: 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.25fr;
  gap: clamp(2rem, 3.5vw, 3.5rem);
  margin-bottom: 3.5rem;
}

.footer-brand-title {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.footer-brand-tagline {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-whatsapp);
  margin-bottom: 1rem;
}

.footer-desc {
  font-size: 0.875rem;
  line-height: 1.6;
  color: #94a3b8;
  max-width: 320px;
}

.footer-heading {
  font-size: 0.9375rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1.25rem;
  letter-spacing: 0.02em;
}

.footer-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer-link {
  font-size: 0.875rem;
  color: #94a3b8;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: #ffffff;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.625rem;
  font-size: 0.875rem;
  line-height: 1.5;
  color: #94a3b8;
  margin-bottom: 0.625rem;
}

.footer-contact-item a:hover {
  color: #ffffff;
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8125rem;
}

.footer-copyright {
  color: #64748b;
}

.footer-notes {
  color: #64748b;
}

/* --------------------------------------------------------------------------
   19. Responsive Media Queries
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
  .lightbox-prev {
    left: 0.5rem;
  }
  .lightbox-next {
    right: 0.5rem;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .nav-menu,
  .header-actions .btn-whatsapp {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .mobile-drawer {
    display: block;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

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

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

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

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

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

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

  /* Sticky Bottom Bar on Mobile */
  .mobile-bottom-bar {
    display: block;
  }

  body {
    padding-bottom: 60px; /* Space for mobile bottom bar */
  }

  .floating-whatsapp {
    bottom: 4.75rem;
    right: 1.25rem;
    padding: 0.875rem;
  }

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

@media (max-width: 480px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-highlights {
    flex-direction: column;
    gap: 0.625rem;
  }
  .contact-info-card,
  .contact-map-card {
    padding: 1.5rem;
  }
}

/* --------------------------------------------------------------------------
   20. 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;
  }
}
.brand {
  display: inline-flex !important; 
  align-items: center !important;
  text-decoration: none !important;
}

.brand-logo {
  height: 64px;
  width: auto;
  display: block;
  object-fit: contain;
}
.brand-logo {
  height: 64px;
  width: auto;
  max-width: 220px;
  display: block;
  object-fit: contain;
}

@media (max-width: 768px) {
  .brand-logo {
    height: 52px;
    max-width: 180px;
  }
}
#footer-logo{
  border-radius: 10px;
}