/* =============================================================================
   Z BROTHERS INTERIOR DECORATORS — KARACHI, PAKISTAN
   PREMIUM LUXURY ARCHITECTURAL & INTERIOR STYLING
   ============================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Manrope:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,500;0,600;0,700;1,400&display=swap');

/* --- CSS VARIABLES --- */
:root {
  --color-charcoal: #1F2424;
  --color-charcoal-dark: #141717;
  --color-charcoal-light: #2A3030;
  --color-ivory: #FAF8F3;
  --color-ivory-warm: #F4EFE6;
  --color-ivory-dark: #EDE5D8;
  --color-gold: #C7A66A;
  --color-gold-light: #DFCA9F;
  --color-gold-dark: #A88748;
  --color-gold-glow: rgba(199, 166, 106, 0.25);
  --color-beige: #E9E2D7;
  --color-stone: #B7AA98;
  --color-walnut: #4A382F;
  --color-grey-muted: #727777;
  --color-grey-light: #E4E7E7;
  --color-white: #FFFFFF;
  --color-whatsapp: #25D366;

  --font-serif: 'Cormorant Garamond', 'Playfair Display', Georgia, serif;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-sans: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --header-top-height: 42px;
  --header-main-height: 82px;
  --header-total-height: 124px;

  --shadow-sm: 0 2px 8px rgba(31, 36, 36, 0.05);
  --shadow-md: 0 8px 24px rgba(31, 36, 36, 0.08);
  --shadow-lg: 0 16px 40px rgba(31, 36, 36, 0.12);
  --shadow-gold: 0 10px 25px rgba(199, 166, 106, 0.28);

  --radius-xs: 3px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --transition-fast: 0.2s ease;
  --transition-base: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-slow: 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.68;
  color: var(--color-charcoal);
  background-color: var(--color-ivory);
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

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

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

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-charcoal);
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.3rem, 4.5vw, 3.8rem); font-weight: 700; }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.8rem); }
h3 { font-size: clamp(1.4rem, 2.2vw, 1.9rem); }
h4 { font-size: 1.25rem; }
p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

::selection {
  background: var(--color-gold);
  color: var(--color-charcoal-dark);
}

/* --- CONTAINER & GRID SYSTEM --- */
.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.container-narrow {
  max-width: 960px;
}

.container-wide {
  max-width: 1440px;
}

.section {
  padding: 95px 0;
  position: relative;
}

.section-sm {
  padding: 60px 0;
}

.section-dark {
  background-color: var(--color-charcoal);
  color: var(--color-ivory);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-ivory);
}

.section-cream {
  background-color: var(--color-ivory-warm);
}

.section-muted {
  background-color: var(--color-beige);
}

/* --- SECTION HEADERS --- */
.section-header {
  text-align: center;
  margin-bottom: 54px;
  position: relative;
}

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

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  margin-bottom: 12px;
}

.section-kicker::before,
.section-kicker::after {
  content: '';
  width: 28px;
  height: 1px;
  background-color: var(--color-gold);
  display: inline-block;
}

.section-header.text-left .section-kicker::before {
  display: none;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 3rem);
  color: var(--color-charcoal);
  margin-bottom: 16px;
  line-height: 1.18;
}

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

.section-subtitle {
  font-size: 1.0625rem;
  color: var(--color-grey-muted);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.65;
}

.section-dark .section-subtitle {
  color: var(--color-stone);
}

.section-header.text-left .section-subtitle {
  margin-left: 0;
}

/* --- BUTTONS & CTAS --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: var(--radius-xs);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-base);
  text-align: center;
  white-space: nowrap;
}

.btn-primary, .btn-gold {
  background-color: var(--color-gold);
  color: var(--color-charcoal-dark);
  border-color: var(--color-gold);
}

.btn-primary:hover, .btn-gold:hover {
  background-color: var(--color-gold-dark);
  border-color: var(--color-gold-dark);
  color: var(--color-white);
  box-shadow: var(--shadow-gold);
  transform: translateY(-2px);
}

.btn-charcoal {
  background-color: var(--color-charcoal);
  color: var(--color-ivory);
  border-color: var(--color-charcoal);
}

.btn-charcoal:hover {
  background-color: var(--color-charcoal-dark);
  border-color: var(--color-gold);
  color: var(--color-gold);
  transform: translateY(-2px);
}

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

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

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

.btn-outline-gold:hover {
  background-color: var(--color-gold);
  color: var(--color-charcoal-dark);
  transform: translateY(-2px);
}

.btn-outline-light {
  background-color: transparent;
  color: var(--color-ivory);
  border-color: rgba(250, 248, 243, 0.4);
}

.btn-outline-light:hover {
  background-color: var(--color-ivory);
  color: var(--color-charcoal-dark);
  border-color: var(--color-ivory);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background-color: #25D366;
  color: #FFFFFF;
  border-color: #25D366;
}

.btn-whatsapp:hover {
  background-color: #1EBE5D;
  border-color: #1EBE5D;
  color: #FFFFFF;
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.3);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 10px 18px;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 18px 36px;
  font-size: 0.9375rem;
}

.btn-block {
  width: 100%;
}

/* =============================================================================
   STICKY HEADER — ZERO OVERLAP GUARANTEE
   ============================================================================= */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--color-ivory);
  transition: box-shadow var(--transition-base), background-color var(--transition-base);
}

.site-header.is-scrolled {
  box-shadow: 0 4px 20px rgba(31, 36, 36, 0.08);
}

/* Top Contact Bar */
.header-topbar {
  background-color: var(--color-charcoal-dark);
  color: var(--color-ivory);
  font-size: 0.8125rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(199, 166, 106, 0.2);
}

.header-topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: nowrap;
}

.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--color-stone);
  font-weight: 500;
  white-space: nowrap;
}

.topbar-item svg {
  color: var(--color-gold);
  flex-shrink: 0;
}

.topbar-item a:hover {
  color: var(--color-gold-light);
}

.topbar-socials {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-social-link {
  color: var(--color-stone);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.topbar-social-link:hover {
  color: var(--color-gold);
  transform: translateY(-1px);
}

/* Main Navigation Bar */
.header-main {
  height: var(--header-main-height);
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--color-beige);
}

.header-main .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

/* Brand Logo */
.site-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.site-logo img {
  height: 54px;
  width: auto;
  display: block;
}

/* Desktop Navigation */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 26px;
  margin: 0;
}

.nav-desktop-item {
  position: relative;
}

.nav-desktop-link {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-charcoal);
  text-transform: uppercase;
  padding: 8px 0;
  display: inline-block;
  position: relative;
  transition: color var(--transition-fast);
}

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

.nav-desktop-link:hover,
.nav-desktop-link.active {
  color: var(--color-gold-dark);
}

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

/* Header Action Right */
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.header-cta-btn {
  font-size: 0.8125rem;
  padding: 12px 22px;
}

/* Hamburger Toggle Button */
.nav-toggle-btn {
  display: none;
  background: none;
  border: 1px solid var(--color-beige);
  padding: 10px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  color: var(--color-charcoal);
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.nav-toggle-btn:hover {
  background-color: var(--color-ivory-warm);
  border-color: var(--color-gold);
  color: var(--color-gold-dark);
}

/* =============================================================================
   MOBILE OFF-CANVAS NAVIGATION DRAWER
   ============================================================================= */
.mobile-nav-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(20, 23, 23, 0.7);
  backdrop-filter: blur(4px);
  z-index: 1050;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.mobile-nav-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -360px;
  width: 100%;
  max-width: 340px;
  height: 100%;
  background-color: var(--color-charcoal-dark);
  color: var(--color-ivory);
  z-index: 1100;
  display: flex;
  flex-direction: column;
  box-shadow: -5px 0 30px rgba(0, 0, 0, 0.35);
  transition: right var(--transition-base);
  overflow-y: auto;
}

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

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid rgba(199, 166, 106, 0.2);
}

.mobile-nav-close {
  background: none;
  border: 1px solid rgba(250, 248, 243, 0.2);
  color: var(--color-ivory);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mobile-nav-close:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  transform: rotate(90deg);
}

.mobile-nav-menu {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mobile-nav-link {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--color-ivory);
  padding: 8px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(250, 248, 243, 0.08);
  transition: color var(--transition-fast);
}

.mobile-nav-link.active,
.mobile-nav-link:hover {
  color: var(--color-gold);
  padding-left: 6px;
}

.mobile-nav-cta {
  padding: 24px;
  margin-top: auto;
  border-top: 1px solid rgba(199, 166, 106, 0.2);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mobile-contact-info {
  padding: 0 24px 24px;
  font-size: 0.8125rem;
  color: var(--color-stone);
}

.mobile-contact-info a {
  color: var(--color-gold-light);
}

/* =============================================================================
   FLOATING WHATSAPP BUTTON — BOTTOM RIGHT
   ============================================================================= */
.floating-whatsapp {
  position: fixed;
  bottom: 24px;
  right: 20px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.floating-whatsapp-btn {
  width: 58px;
  height: 58px;
  background-color: var(--color-whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  box-shadow: 0 4px 18px rgba(37, 211, 102, 0.45);
  position: relative;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.floating-whatsapp-btn::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border: 2px solid var(--color-whatsapp);
  border-radius: 50%;
  animation: waPulse 2s infinite ease-out;
  opacity: 0.7;
}

@keyframes waPulse {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.35); opacity: 0; }
}

.floating-whatsapp-tooltip {
  background-color: var(--color-charcoal-dark);
  color: var(--color-ivory);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 6px 14px;
  border-radius: 20px;
  white-space: nowrap;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(199, 166, 106, 0.4);
  opacity: 0;
  transform: translateX(10px);
  pointer-events: none;
  transition: all var(--transition-fast);
}

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

.floating-whatsapp:hover .floating-whatsapp-btn {
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.6);
}

/* =============================================================================
   HERO SECTIONS
   ============================================================================= */
.hero-home {
  position: relative;
  min-height: 84vh;
  display: flex;
  align-items: center;
  background-color: var(--color-charcoal-dark);
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  color: var(--color-ivory);
  padding: 100px 0 120px;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(20, 23, 23, 0.92) 0%,
    rgba(20, 23, 23, 0.82) 45%,
    rgba(20, 23, 23, 0.55) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(199, 166, 106, 0.15);
  border: 1px solid rgba(199, 166, 106, 0.45);
  padding: 7px 18px;
  border-radius: 30px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-gold-light);
  margin-bottom: 24px;
}

.hero-badge-dot {
  width: 7px;
  height: 7px;
  background-color: var(--color-gold);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 10px var(--color-gold);
}

.hero-title {
  font-size: clamp(2.4rem, 4.8vw, 4.2rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-ivory);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.hero-title span {
  color: var(--color-gold);
}

.hero-subtitle {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-gold-light);
  margin-bottom: 16px;
  font-family: var(--font-display);
}

.hero-desc {
  font-size: 1.0625rem;
  color: var(--color-beige);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 680px;
}

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

/* Inner Page Hero (About, Services, Projects, etc.) */
.page-hero {
  position: relative;
  background-color: var(--color-charcoal-dark);
  background-size: cover;
  background-position: center;
  color: var(--color-ivory);
  padding: 85px 0 95px;
  text-align: center;
  overflow: hidden;
}

.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20, 23, 23, 0.86) 0%, rgba(20, 23, 23, 0.94) 100%);
  z-index: 1;
}

.page-hero .container {
  position: relative;
  z-index: 2;
  max-width: 850px;
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--color-stone);
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.breadcrumb-nav a {
  color: var(--color-stone);
}

.breadcrumb-nav a:hover {
  color: var(--color-gold);
}

.breadcrumb-separator {
  color: var(--color-gold);
}

.breadcrumb-current {
  color: var(--color-gold-light);
  font-weight: 600;
}

.page-hero-title {
  font-size: clamp(2.2rem, 3.8vw, 3.4rem);
  color: var(--color-ivory);
  margin-bottom: 14px;
}

.page-hero-subtitle {
  font-size: 1.125rem;
  color: var(--color-gold-light);
  font-family: var(--font-display);
  margin-bottom: 14px;
}

.page-hero-desc {
  font-size: 1rem;
  color: var(--color-beige);
  max-width: 680px;
  margin: 0 auto;
}

/* =============================================================================
   CARDS & GRID LAYOUTS
   ============================================================================= */
/* Service Cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 32px;
}

.service-card {
  background-color: var(--color-white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-beige);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-gold);
}

.service-card-media {
  position: relative;
  height: 240px;
  overflow: hidden;
  background-color: var(--color-charcoal-light);
}

.service-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.service-card-icon {
  position: absolute;
  bottom: 16px;
  right: 16px;
  width: 48px;
  height: 48px;
  background: var(--color-charcoal-dark);
  border: 1px solid var(--color-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.service-card-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-card-title {
  font-size: 1.45rem;
  color: var(--color-charcoal);
  margin-bottom: 10px;
}

.service-card-desc {
  font-size: 0.9375rem;
  color: var(--color-grey-muted);
  line-height: 1.62;
  margin-bottom: 20px;
  flex-grow: 1;
}

.service-card-features {
  margin-bottom: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--color-beige);
}

.service-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.84rem;
  color: var(--color-charcoal);
  margin-bottom: 6px;
}

.service-feature-item svg {
  color: var(--color-gold);
  flex-shrink: 0;
  margin-top: 2px;
}

.service-card-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Alternating Editorial Service Detail Rows */
.service-editorial-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

.service-editorial-row:last-child {
  margin-bottom: 0;
}

.service-editorial-row.reverse {
  direction: rtl;
}

.service-editorial-row.reverse > * {
  direction: ltr;
}

.service-editorial-media {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.service-editorial-media img {
  width: 100%;
  height: 440px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.service-editorial-media:hover img {
  transform: scale(1.03);
}

.service-editorial-content {
  padding: 10px 0;
}

.service-editorial-kicker {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-gold);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 10px;
  display: block;
}

.service-editorial-title {
  font-size: clamp(1.8rem, 2.5vw, 2.4rem);
  margin-bottom: 16px;
}

.service-editorial-text {
  font-size: 1rem;
  color: var(--color-grey-muted);
  line-height: 1.7;
  margin-bottom: 22px;
}

/* Why Choose Us Feature Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

.feature-card {
  background-color: var(--color-white);
  padding: 36px 30px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-beige);
  transition: all var(--transition-base);
  position: relative;
}

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

.feature-card-icon {
  width: 56px;
  height: 56px;
  background-color: var(--color-ivory-warm);
  border: 1px solid var(--color-gold-light);
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold-dark);
  margin-bottom: 22px;
}

.feature-card-title {
  font-size: 1.35rem;
  margin-bottom: 12px;
  color: var(--color-charcoal);
}

.feature-card-desc {
  font-size: 0.9375rem;
  color: var(--color-grey-muted);
  line-height: 1.62;
}

/* =============================================================================
   PROJECTS / PORTFOLIO & GALLERY
   ============================================================================= */
.portfolio-filters {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.filter-btn {
  background: var(--color-white);
  border: 1px solid var(--color-beige);
  padding: 9px 20px;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--color-charcoal);
  border-radius: 30px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-charcoal-dark);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 28px;
}

.project-item {
  background-color: var(--color-white);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-beige);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.project-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-gold);
}

.project-thumb {
  position: relative;
  height: 280px;
  overflow: hidden;
  cursor: pointer;
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.project-thumb-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(20, 23, 23, 0.85) 0%, rgba(20, 23, 23, 0.2) 60%, transparent 100%);
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  transition: opacity var(--transition-base);
}

.project-item:hover .project-thumb-overlay {
  opacity: 1;
}

.project-zoom-btn {
  width: 48px;
  height: 48px;
  background: var(--color-gold);
  border-radius: 50%;
  color: var(--color-charcoal-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateY(15px);
  transition: transform var(--transition-base), background-color var(--transition-fast);
}

.project-item:hover .project-zoom-btn {
  transform: translateY(0);
}

.project-zoom-btn:hover {
  background: var(--color-white);
}

.project-info {
  padding: 24px;
}

.project-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--color-gold-dark);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.project-title {
  font-size: 1.35rem;
  color: var(--color-charcoal);
  margin-bottom: 10px;
}

.project-location {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  color: var(--color-grey-muted);
  margin-bottom: 14px;
}

.project-desc {
  font-size: 0.875rem;
  color: var(--color-grey-muted);
  line-height: 1.6;
}

/* =============================================================================
   BEFORE & AFTER INTERACTIVE COMPARISON
   ============================================================================= */
.before-after-wrapper {
  max-width: 940px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-beige);
  user-select: none;
}

.before-after-container {
  position: relative;
  width: 100%;
  height: 480px;
  overflow: hidden;
}

.before-after-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.before-after-container .after-img {
  z-index: 1;
}

.before-after-container .before-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  overflow: hidden;
  z-index: 2;
}

.before-after-container .before-wrapper .before-img {
  width: 940px;
  max-width: none;
  height: 100%;
  object-fit: cover;
}

.before-after-slider {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  background-color: var(--color-gold);
  z-index: 10;
  cursor: ew-resize;
  transform: translateX(-50%);
}

.before-after-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 44px;
  height: 44px;
  transform: translate(-50%, -50%);
  background-color: var(--color-charcoal-dark);
  border: 2px solid var(--color-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.before-badge, .after-badge {
  position: absolute;
  bottom: 16px;
  padding: 6px 14px;
  background: rgba(20, 23, 23, 0.8);
  color: var(--color-ivory);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: 4px;
  z-index: 5;
}

.before-badge { left: 16px; }
.after-badge { right: 16px; }

/* =============================================================================
   LIGHTBOX MODAL
   ============================================================================= */
.lightbox-modal {
  position: fixed;
  inset: 0;
  background: rgba(14, 16, 16, 0.95);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  padding: 24px;
}

.lightbox-modal.is-active {
  opacity: 1;
  visibility: visible;
}

.lightbox-dialog {
  max-width: 1000px;
  width: 100%;
  position: relative;
  display: flex;
  flex-direction: column;
}

.lightbox-close {
  position: absolute;
  top: -46px;
  right: 0;
  background: none;
  border: none;
  color: var(--color-ivory);
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-fast);
}

.lightbox-close:hover {
  color: var(--color-gold);
}

.lightbox-media {
  max-height: 75vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

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

.lightbox-caption {
  color: var(--color-ivory);
  padding: 18px 0 0;
}

.lightbox-caption-title {
  font-size: 1.35rem;
  color: var(--color-gold);
  margin-bottom: 4px;
}

.lightbox-caption-text {
  font-size: 0.875rem;
  color: var(--color-stone);
}

/* =============================================================================
   PROCESS ROADMAP (7 STEPS)
   ============================================================================= */
.process-timeline {
  display: flex;
  flex-direction: column;
  gap: 36px;
  max-width: 980px;
  margin: 0 auto;
  position: relative;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 20px;
  bottom: 20px;
  left: 36px;
  width: 2px;
  background-color: var(--color-gold);
  opacity: 0.4;
}

.process-step {
  display: flex;
  gap: 30px;
  position: relative;
}

.process-step-number {
  width: 72px;
  height: 72px;
  background-color: var(--color-charcoal-dark);
  border: 2px solid var(--color-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  flex-shrink: 0;
  z-index: 2;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.process-step-body {
  background-color: var(--color-white);
  padding: 28px 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-beige);
  flex-grow: 1;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.process-step-body:hover {
  transform: translateX(6px);
  border-color: var(--color-gold);
  box-shadow: var(--shadow-md);
}

.process-step-title {
  font-size: 1.4rem;
  color: var(--color-charcoal);
  margin-bottom: 8px;
}

.process-step-desc {
  font-size: 0.9375rem;
  color: var(--color-grey-muted);
  line-height: 1.65;
}

/* =============================================================================
   MATERIALS SHOWCASE (12 CATEGORIES)
   ============================================================================= */
.materials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 32px;
}

.material-card {
  background-color: var(--color-white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-beige);
  overflow: hidden;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.material-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-gold);
  box-shadow: var(--shadow-lg);
}

.material-card-media {
  height: 220px;
  position: relative;
  overflow: hidden;
}

.material-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.material-card-body {
  padding: 26px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.material-card-title {
  font-size: 1.35rem;
  color: var(--color-charcoal);
  margin-bottom: 6px;
}

.material-card-tagline {
  font-size: 0.8125rem;
  color: var(--color-gold-dark);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.material-card-desc {
  font-size: 0.875rem;
  color: var(--color-grey-muted);
  line-height: 1.6;
  margin-bottom: 18px;
}

.material-specs-list {
  background: var(--color-ivory);
  border: 1px solid var(--color-beige);
  border-radius: var(--radius-xs);
  padding: 12px 14px;
  font-size: 0.775rem;
  margin-bottom: 18px;
}

.material-spec-row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  border-bottom: 1px solid rgba(233, 226, 215, 0.6);
}

.material-spec-row:last-child {
  border-bottom: none;
}

.material-spec-key {
  color: var(--color-grey-muted);
  font-weight: 600;
}

.material-spec-val {
  color: var(--color-charcoal);
  font-weight: 700;
  text-align: right;
}

.material-card-actions {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

/* =============================================================================
   FAQ ACCORDION
   ============================================================================= */
.faq-accordion {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-beige);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.is-active {
  border-color: var(--color-gold);
}

.faq-trigger {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 22px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-charcoal);
  transition: color var(--transition-fast);
}

.faq-trigger:hover,
.faq-item.is-active .faq-trigger {
  color: var(--color-gold-dark);
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--color-beige);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-gold);
  transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.faq-item.is-active .faq-icon {
  transform: rotate(45deg);
  background-color: var(--color-gold);
  color: var(--color-charcoal-dark);
  border-color: var(--color-gold);
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base), padding var(--transition-base);
  padding: 0 24px;
  font-size: 0.9375rem;
  color: var(--color-grey-muted);
  line-height: 1.7;
}

.faq-item.is-active .faq-content {
  padding-bottom: 22px;
}

/* =============================================================================
   CONTACT & QUOTE FORMS
   ============================================================================= */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 50px;
}

.contact-info-panel {
  background-color: var(--color-charcoal-dark);
  color: var(--color-ivory);
  padding: 44px 36px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(199, 166, 106, 0.3);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
}

.contact-info-panel .section-title {
  color: var(--color-ivory);
  font-size: 2rem;
  margin-bottom: 12px;
}

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin: 30px 0;
}

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

.contact-info-icon {
  width: 44px;
  height: 44px;
  background-color: rgba(199, 166, 106, 0.15);
  border: 1px solid var(--color-gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gold);
  flex-shrink: 0;
}

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

.contact-info-value {
  font-size: 0.9375rem;
  color: var(--color-ivory);
  line-height: 1.5;
}

.contact-info-value a:hover {
  color: var(--color-gold-light);
}

.form-wrapper {
  background-color: var(--color-white);
  padding: 44px 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-beige);
  box-shadow: var(--shadow-md);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 20px;
}

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

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-charcoal);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 13px 16px;
  background-color: var(--color-ivory);
  border: 1px solid var(--color-beige);
  border-radius: var(--radius-xs);
  color: var(--color-charcoal);
  font-size: 0.9375rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  background-color: var(--color-white);
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px var(--color-gold-glow);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

.form-note {
  font-size: 0.75rem;
  color: var(--color-grey-muted);
  margin-top: 6px;
}

.form-feedback {
  padding: 16px 20px;
  border-radius: var(--radius-xs);
  margin-bottom: 24px;
  display: none;
  font-size: 0.875rem;
  line-height: 1.5;
}

.form-feedback.is-visible {
  display: block;
}

.form-feedback.success {
  background-color: #E8F5E9;
  color: #1B5E20;
  border: 1px solid #A5D6A7;
}

.form-feedback.error {
  background-color: #FFEBEE;
  color: #B71C1C;
  border: 1px solid #FFCDD2;
}

.whatsapp-fallback-box {
  margin-top: 18px;
  padding: 16px;
  background-color: #F0FDF4;
  border: 1px solid #86EFAC;
  border-radius: var(--radius-xs);
  text-align: center;
}

/* =============================================================================
   MAP & SHOWROOM SECTION
   ============================================================================= */
.map-container {
  width: 100%;
  height: 420px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-beige);
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* =============================================================================
   FOOTER
   ============================================================================= */
.site-footer {
  background-color: var(--color-charcoal-dark);
  color: var(--color-stone);
  font-size: 0.9rem;
  padding: 85px 0 0;
  border-top: 2px solid var(--color-gold);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr 1.3fr;
  gap: 48px;
  padding-bottom: 60px;
}

.footer-col-brand .site-logo {
  margin-bottom: 20px;
}

.footer-brand-text {
  font-size: 0.9rem;
  color: var(--color-stone);
  line-height: 1.7;
  margin-bottom: 22px;
}

.footer-title {
  font-size: 1.15rem;
  color: var(--color-ivory);
  margin-bottom: 22px;
  letter-spacing: 0.05em;
  position: relative;
  padding-bottom: 10px;
}

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

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

.footer-link {
  color: var(--color-stone);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-gold);
  transform: translateX(4px);
}

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

.footer-contact-item {
  display: flex;
  gap: 12px;
  line-height: 1.5;
}

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

.footer-bottom {
  background-color: #0E1010;
  padding: 24px 0;
  border-top: 1px solid rgba(250, 248, 243, 0.08);
  font-size: 0.8125rem;
}

.footer-bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-bottom-copy {
  color: var(--color-stone);
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a:hover {
  color: var(--color-gold);
}

.back-to-top-btn {
  width: 38px;
  height: 38px;
  background: var(--color-charcoal);
  border: 1px solid var(--color-gold);
  border-radius: 50%;
  color: var(--color-gold);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.back-to-top-btn:hover {
  background: var(--color-gold);
  color: var(--color-charcoal-dark);
  transform: translateY(-3px);
}