/* ==========================================================================
   REKA ARSITEK - Main Styling
   Aesthetic: Contemporary Architectural Minimalist / Clean Sans-Serif
   Palette: Crimson Accent (#9B2234) + Architectural Slate (#5B5B5B) + Charcoal & Pure Whites
   ========================================================================== */

:root {
  /* Simplified Modern Sans-Serif Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  /* Theme Colors extracted from Brand Logo */
  --color-accent: #9B2234;          /* Crimson Red from Logo */
  --color-accent-hover: #7F1A29;    /* Darker Crimson for Hover */
  --color-accent-light: #C24357;    /* Lighter Crimson Tone */
  --color-accent-soft: #FDF2F4;     /* Very Soft Crimson Tint */
  --color-accent-glow: rgba(155, 34, 52, 0.18);

  --color-slate: #5B5B5B;           /* Architectural Slate Gray from Logo */
  --color-slate-light: #8E9297;
  --color-slate-bg: #F1F3F5;

  /* Neutrals */
  --color-dark: #16171A;            /* Modern Deep Charcoal */
  --color-dark-surface: #1E2025;
  --color-dark-elevated: #282B32;
  --color-dark-border: rgba(255, 255, 255, 0.08);

  --color-light: #FFFFFF;
  --color-cream: #F8F9FA;           /* Crisp, clean light background */
  --color-cream-subtle: #EEF0F2;
  --color-light-border: #E5E7EB;

  --color-text-main: #1C1E21;
  --color-text-muted: #5F656F;
  --color-text-light: #F8F9FA;
  --color-text-dim: #9AA0A6;

  /* Transitions & Shadows */
  --transition-smooth: all 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
  --shadow-dark: 0 20px 40px rgba(0, 0, 0, 0.4);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-light);
  color: var(--color-text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

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

/* Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow {
  max-width: 900px;
}

.container-fluid {
  max-width: 1480px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Typography Helpers - Simplified & Modern */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.025em;
  color: var(--color-text-main);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.section-label::before {
  content: "";
  display: inline-block;
  width: 20px;
  height: 2px;
  background-color: var(--color-accent);
}

.section-title {
  font-size: clamp(1.85rem, 3.2vw, 2.85rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.02rem;
  color: var(--color-text-muted);
  max-width: 620px;
  line-height: 1.65;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.8rem 1.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-smooth);
}

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

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px var(--color-accent-glow);
}

.btn-accent {
  background-color: var(--color-accent);
  color: #fff;
  border: 1px solid var(--color-accent);
}

.btn-accent:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px var(--color-accent-glow);
}

.btn-dark {
  background-color: var(--color-dark);
  color: #fff;
  border: 1px solid var(--color-dark);
}

.btn-dark:hover {
  background-color: #000;
  color: #fff;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-text-main);
  border: 1.5px solid #d1d5db;
}

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

.btn-outline-white {
  background: transparent;
  color: #fff;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
}

.btn-outline-white:hover {
  background-color: #fff;
  color: var(--color-dark);
  border-color: #fff;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1.1rem;
  font-size: 0.82rem;
}

.btn-round {
  border-radius: var(--radius-full);
}

/* ==========================================================================
   Navigation Bar
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition-smooth);
  padding: 1.1rem 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-light-border);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  padding: 0.75rem 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-dark);
}

.brand-logo-img {
  height: 38px;
  width: auto;
  display: block;
}

.brand-logo span.highlight {
  color: var(--color-accent);
  font-weight: 700;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text-main);
  position: relative;
  padding: 0.35rem 0;
  letter-spacing: -0.01em;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--color-accent);
  transition: var(--transition-smooth);
}

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

.nav-links a:hover {
  color: var(--color-accent);
}

.nav-links a.active {
  color: var(--color-accent) !important;
  font-weight: 700;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.admin-portal-link {
  font-size: 0.78rem;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  border: 1px solid rgba(155, 34, 52, 0.15);
}

.admin-portal-link:hover {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.mobile-menu-btn {
  display: none;
  background: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--color-dark);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding-top: 7rem;
  padding-bottom: 4rem;
  background-color: var(--color-cream);
  overflow: hidden;
}

.hero-bg-texture {
  position: absolute;
  inset: 0;
  opacity: 0.04;
  background-image: radial-gradient(#16171A 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 4rem;
  position: relative;
  z-index: 2;
}

.hero-content {
  padding-right: 0.5rem;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.35rem 0.9rem;
  background: var(--color-accent-soft);
  border: 1px solid rgba(155, 34, 52, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.35rem, 4.5vw, 3.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.hero-title .highlight-text {
  color: var(--color-accent);
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 540px;
  margin-bottom: 2.2rem;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-light-border);
}

.stat-item .stat-num {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--color-dark);
  line-height: 1;
  margin-bottom: 0.25rem;
  letter-spacing: -0.02em;
}

.stat-item .stat-num span {
  color: var(--color-accent);
}

.stat-item .stat-text {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.hero-visual {
  position: relative;
}

.hero-img-main {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/5;
}

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

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

.hero-floating-card {
  position: absolute;
  bottom: -1.75rem;
  left: -2rem;
  background: #ffffff;
  color: var(--color-dark);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-light-border);
  border-left: 4px solid var(--color-accent);
  max-width: 290px;
}

.hero-floating-card .card-tag {
  font-size: 0.7rem;
  color: var(--color-accent);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 0.25rem;
}

.hero-floating-card .card-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.hero-floating-card .card-location {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Section Styles & Layout
   ========================================================================== */
.section {
  padding: 5.5rem 0;
  position: relative;
}

.section-dark {
  background-color: var(--color-dark);
  color: var(--color-text-light);
}

.section-dark .section-title {
  color: #fff;
}

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

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

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 3.5rem;
  gap: 2rem;
}

/* ==========================================================================
   Portfolio Grid & Filter
   ========================================================================== */
.filter-tabs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 2rem;
}

.filter-btn {
  padding: 0.5rem 1.15rem;
  font-size: 0.84rem;
  font-weight: 600;
  background: #fff;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 1px solid var(--color-light-border);
}

.filter-btn:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.filter-btn.active {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 1.75rem;
}

.portfolio-card {
  position: relative;
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  border: 1px solid var(--color-light-border);
  display: flex;
  flex-direction: column;
}

.portfolio-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(155, 34, 52, 0.3);
}

.portfolio-img-box {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: #eef0f2;
}

.portfolio-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.portfolio-card:hover .portfolio-img-box img {
  transform: scale(1.05);
}

.portfolio-badge {
  position: absolute;
  top: 0.85rem;
  left: 0.85rem;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.portfolio-body {
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.portfolio-meta {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.78rem;
  color: var(--color-slate);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.portfolio-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.portfolio-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--color-dark);
}

.portfolio-card:hover .portfolio-title {
  color: var(--color-accent);
}

.portfolio-summary {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.portfolio-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.85rem;
  border-top: 1px solid var(--color-light-border);
}

.portfolio-scope-preview {
  font-size: 0.76rem;
  color: var(--color-slate);
  font-weight: 500;
}

.view-detail-btn {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: none;
  cursor: pointer;
  padding: 0.2rem 0;
  transition: var(--transition-smooth);
}

.view-detail-btn:hover {
  color: var(--color-accent-hover);
  transform: translateX(2px);
}

/* ==========================================================================
   Services & Recommendations (Layanan)
   ========================================================================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.75rem;
}

.service-card {
  background: #fff;
  border: 1px solid var(--color-light-border);
  border-radius: var(--radius-md);
  padding: 2rem 1.6rem;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.service-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--color-accent);
  transition: var(--transition-smooth);
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(155, 34, 52, 0.3);
  box-shadow: var(--shadow-md);
}

.service-card:hover::after {
  height: 100%;
}

.service-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  background: var(--color-accent-soft);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  margin-bottom: 1.25rem;
  transition: var(--transition-smooth);
}

.service-card:hover .service-icon {
  background: var(--color-accent);
  color: #fff;
}

.service-card h3 {
  font-size: 1.18rem;
  margin-bottom: 0.75rem;
}

.service-card p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 1.2rem;
}

.service-deliverables {
  list-style: none;
  border-top: 1px solid var(--color-light-border);
  padding-top: 1rem;
}

.service-deliverables li {
  font-size: 0.82rem;
  color: var(--color-text-main);
  margin-bottom: 0.45rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.service-deliverables li i {
  color: var(--color-accent);
  font-size: 0.75rem;
}

/* ==========================================================================
   Interactive Cost Estimator (Fitur Kalkulator)
   ========================================================================== */
.estimator-box {
  background: var(--color-dark-surface);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 3rem;
  border: 1px solid var(--color-dark-border);
  box-shadow: var(--shadow-dark);
  position: relative;
  overflow: hidden;
}

.estimator-box::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(155, 34, 52, 0.25) 0%, transparent 70%);
  pointer-events: none;
}

.estimator-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
}

.estimator-form .form-group {
  margin-bottom: 1.5rem;
}

.estimator-form label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-dim);
  margin-bottom: 0.5rem;
}

.estimator-form select,
.estimator-form input[type="number"] {
  width: 100%;
  padding: 0.8rem 1.1rem;
  background: var(--color-dark-elevated);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 0.92rem;
  transition: var(--transition-smooth);
}

.estimator-form select:focus,
.estimator-form input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.estimator-result-card {
  background: var(--color-dark-elevated);
  border: 1px solid rgba(155, 34, 52, 0.35);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
}

.estimator-result-card .result-label {
  font-size: 0.82rem;
  text-transform: uppercase;
  color: var(--color-accent-light);
  letter-spacing: 0.08em;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.estimator-result-card .result-value {
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.4rem;
  letter-spacing: -0.02em;
}

.estimator-result-card .result-breakdown {
  font-size: 0.84rem;
  color: var(--color-text-dim);
  line-height: 1.6;
  margin-bottom: 1.8rem;
}

/* ==========================================================================
   Gallery Lightbox Grid
   ========================================================================== */
.gallery-grid {
  columns: 3 320px;
  column-gap: 1.5rem;
}

.gallery-item {
  break-inside: avoid;
  margin-bottom: 1.5rem;
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  background: #1e2025;
}

.gallery-item img {
  width: 100%;
  display: block;
  transition: transform 0.5s ease;
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(16, 17, 20, 0.9) 0%, rgba(16, 17, 20, 0.2) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.35rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

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

.gallery-overlay h4 {
  color: #fff;
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.gallery-overlay span {
  color: var(--color-accent-light);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

/* ==========================================================================
   About Studio & Values
   ========================================================================== */
.about-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-images-composition {
  position: relative;
}

.about-img-1 {
  width: 85%;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4/5;
  object-fit: cover;
}

.about-img-2 {
  position: absolute;
  width: 60%;
  bottom: -2rem;
  right: 0;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-dark);
  border: 6px solid #fff;
  aspect-ratio: 1/1;
  object-fit: cover;
}

.value-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.8rem;
  margin-top: 2rem;
}

.value-item h4 {
  font-size: 1.08rem;
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-dark);
}

.value-item h4 i {
  color: var(--color-accent);
}

.value-item p {
  font-size: 0.86rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   Contact Form & Details
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3.5rem;
}

.contact-info-card {
  background: var(--color-dark-surface);
  color: #fff;
  padding: 2.75rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-dark-border);
}

.contact-info-list {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-info-row {
  display: flex;
  gap: 1.1rem;
  align-items: flex-start;
}

.contact-info-row .info-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(155, 34, 52, 0.15);
  color: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  flex-shrink: 0;
}

.contact-info-row h5 {
  color: var(--color-text-dim);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.2rem;
}

.contact-info-row p, .contact-info-row a {
  color: #fff;
  font-size: 0.92rem;
}

.contact-form-wrapper {
  background: #fff;
  padding: 2.75rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-light-border);
}

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

.form-group {
  margin-bottom: 1.35rem;
}

.form-group label {
  display: block;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--color-text-main);
  margin-bottom: 0.45rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.8rem 0.95rem;
  border: 1.5px solid var(--color-light-border);
  border-radius: var(--radius-sm);
  background: #fff;
  font-size: 0.92rem;
  transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

/* ==========================================================================
   Modal Dialog (Project Details & Lightbox)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(16, 17, 20, 0.75);
  backdrop-filter: blur(6px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  background: #fff;
  width: 100%;
  max-width: 860px;
  max-height: 90vh;
  border-radius: var(--radius-lg);
  overflow-y: auto;
  box-shadow: var(--shadow-dark);
  position: relative;
  transform: translateY(20px);
  transition: var(--transition-smooth);
}

.modal-overlay.active .modal-container {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: var(--transition-smooth);
  font-size: 1.2rem;
}

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

.modal-img-wrap {
  position: relative;
  aspect-ratio: 16/9;
  background: #111;
}

.modal-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.modal-content-body {
  padding: 2.25rem;
}

.modal-meta-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  padding: 1.25rem 0;
  margin: 1.25rem 0;
  border-top: 1px solid var(--color-light-border);
  border-bottom: 1px solid var(--color-light-border);
}

.modal-meta-box span {
  font-size: 0.74rem;
  text-transform: uppercase;
  color: var(--color-slate);
  display: block;
  margin-bottom: 0.2rem;
}

.modal-meta-box strong {
  font-size: 0.92rem;
  color: var(--color-dark);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: var(--color-dark);
  color: var(--color-text-dim);
  padding: 4.5rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand .brand-logo {
  color: #fff;
  margin-bottom: 1.1rem;
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.65;
  max-width: 320px;
  margin-bottom: 1.5rem;
}

.social-links {
  display: flex;
  gap: 0.75rem;
}

.social-links a {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-links a:hover {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 1.25rem;
  letter-spacing: -0.01em;
}

.footer-links li {
  margin-bottom: 0.65rem;
}

.footer-links a {
  font-size: 0.86rem;
  color: var(--color-text-dim);
}

.footer-links a:hover {
  color: var(--color-accent-light);
  padding-left: 3px;
}

.footer-bottom {
  padding-top: 1.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
}

.footer-admin-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-accent-light);
  font-weight: 600;
  font-size: 0.8rem;
  padding: 0.35rem 0.75rem;
  background: rgba(155, 34, 52, 0.15);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(155, 34, 52, 0.25);
}

.footer-admin-btn:hover {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

/* ==========================================================================
   WhatsApp Floating Action Button
   ========================================================================== */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: #25D366;
  color: #fff;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.7rem;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  z-index: 990;
  transition: var(--transition-smooth);
}

.whatsapp-float:hover {
  transform: scale(1.08) translateY(-3px);
  box-shadow: 0 12px 28px rgba(37, 211, 102, 0.5);
}

/* ==========================================================================
   Toast Notification
   ========================================================================== */
.toast-notice {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--color-dark);
  color: #fff;
  padding: 0.9rem 1.6rem;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-accent);
  z-index: 3000;
  opacity: 0;
  transition: all 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast-notice.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast-notice i {
  color: var(--color-accent-light);
  font-size: 1.05rem;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .hero-visual {
    max-width: 560px;
    margin: 0 auto;
  }
  .about-hero-grid {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .estimator-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--color-dark);
    flex-direction: column;
    justify-content: center;
    padding: 3rem 2rem;
    box-shadow: var(--shadow-dark);
    transition: var(--transition-smooth);
    z-index: 1001;
  }

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

  .nav-links a {
    color: #fff;
    font-size: 1.1rem;
  }

  .mobile-menu-btn {
    display: block;
    z-index: 1002;
  }

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

  .gallery-grid {
    columns: 1;
  }

  .modal-meta-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

  .hero-stats {
    grid-template-columns: 1fr 1fr;
  }
}