/* ==========================================================================
   لمسة إعلان للدعاية والإعلان - Lamsat Advertising & Publicity
   Main Stylesheet - Design System & Modern Responsive UI
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;500;600;700;800;900&family=Tajawal:wght@400;500;700;800;900&display=swap');

:root {
  /* Color Palette */
  --bg-primary: #080c14;
  --bg-secondary: #0f172a;
  --bg-card: rgba(18, 26, 43, 0.75);
  --bg-card-hover: rgba(28, 41, 68, 0.9);
  --bg-glass: rgba(15, 23, 42, 0.82);
  
  /* Brand Accents */
  --accent-gold: #f59e0b;
  --accent-gold-light: #fbbf24;
  --accent-gold-dark: #b45309;
  --accent-gold-glow: rgba(245, 158, 11, 0.35);
  
  --accent-cyan: #06b6d4;
  --accent-cyan-light: #22d3ee;
  --accent-cyan-glow: rgba(6, 182, 212, 0.35);
  
  --accent-blue: #2563eb;
  --accent-green: #10b981;
  --accent-whatsapp: #25d366;
  
  /* Typography & Borders */
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(245, 158, 11, 0.4);
  --border-cyan-highlight: rgba(6, 182, 212, 0.4);
  
  /* Shadows & Effects */
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
  --shadow-glow-gold: 0 0 25px rgba(245, 158, 11, 0.25);
  --shadow-glow-cyan: 0 0 25px rgba(6, 182, 212, 0.25);
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  /* Font Families */
  --font-heading: 'Cairo', sans-serif;
  --font-body: 'Tajawal', sans-serif;
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  position: relative;
  background-image: 
    radial-gradient(circle at 15% 10%, rgba(245, 158, 11, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 35%, rgba(6, 182, 212, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 50% 70%, rgba(37, 99, 235, 0.06) 0%, transparent 50%);
  background-attachment: fixed;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: #1e293b;
  border-radius: 5px;
  border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-gold);
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.3;
}

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

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

ul {
  list-style: none;
}

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

.section {
  padding-block: 6rem;
  position: relative;
}

.section-title-wrap {
  text-align: center;
  max-width: 720px;
  margin-inline: auto;
  margin-bottom: 3.5rem;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--accent-gold-light);
  margin-bottom: 1rem;
}

.badge-tag.cyan {
  background: rgba(6, 182, 212, 0.12);
  border-color: rgba(6, 182, 212, 0.3);
  color: var(--accent-cyan-light);
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #ffffff 30%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.125rem;
}

/* Glowing Neon Text and Dividers */
.text-gradient-gold {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #d97706 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-gradient-cyan {
  background: linear-gradient(135deg, #67e8f9 0%, #06b6d4 50%, #0284c7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Glass Card */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: var(--transition-normal);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-highlight);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg), var(--shadow-glow-gold);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  padding: 0.85rem 1.85rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: none;
  transition: var(--transition-normal);
  text-align: center;
  position: relative;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-gold-light) 0%, var(--accent-gold) 100%);
  color: #0b0f19;
  box-shadow: 0 4px 18px rgba(245, 158, 11, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #fde68a 0%, var(--accent-gold-light) 100%);
  box-shadow: 0 6px 24px rgba(245, 158, 11, 0.55);
  transform: translateY(-2px);
}

.btn-cyan {
  background: linear-gradient(135deg, var(--accent-cyan-light) 0%, var(--accent-cyan) 100%);
  color: #0b0f19;
  box-shadow: 0 4px 18px rgba(6, 182, 212, 0.35);
}

.btn-cyan:hover {
  background: linear-gradient(135deg, #a5f3fc 0%, var(--accent-cyan-light) 100%);
  box-shadow: 0 6px 24px rgba(6, 182, 212, 0.55);
  transform: translateY(-2px);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #25d366;
  color: #ffffff;
  box-shadow: 0 4px 18px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
  background: #20ba5a;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.55);
  transform: translateY(-2px);
}

/* ==========================================================================
   Header & Navbar
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(8, 12, 20, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition-normal);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 85px;
}

/* Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-icon-box {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.2) 0%, rgba(6, 182, 212, 0.2) 100%);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-gold);
  box-shadow: 0 0 15px rgba(245, 158, 11, 0.2);
}

.brand-text h2 {
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  letter-spacing: -0.3px;
}

.brand-text span {
  font-size: 0.8rem;
  color: var(--accent-gold);
  font-family: var(--font-body);
  display: block;
}

/* Navigation Links */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.8rem;
}

.nav-link {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-secondary);
  position: relative;
  padding-block: 0.5rem;
}

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

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

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

.header-cta-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.mobile-toggle-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1.35rem;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  padding-top: 9.5rem;
  padding-bottom: 6rem;
  position: relative;
  overflow: hidden;
}

.hero-glow-sphere-1 {
  position: absolute;
  top: 10%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.15) 0%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
}

.hero-glow-sphere-2 {
  position: absolute;
  bottom: 5%;
  left: -10%;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.15) 0%, transparent 70%);
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

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

.hero-title {
  font-size: clamp(2.35rem, 4.2vw, 3.5rem);
  font-weight: 900;
  line-height: 1.25;
  margin-bottom: 1.5rem;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 2.2rem;
  max-width: 620px;
}

.hero-btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}

/* Trust Stats */
.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  width: 100%;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
}

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

.stat-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-gold);
  line-height: 1;
  margin-bottom: 0.35rem;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* Hero Visual Showcase Card */
.hero-visual-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 35px rgba(245, 158, 11, 0.2);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.hero-visual-img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  display: block;
  transition: var(--transition-slow);
}

.hero-visual-card:hover .hero-visual-img {
  transform: scale(1.04);
}

.hero-badge-overlay {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  left: 1.5rem;
  background: rgba(10, 14, 23, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-highlight);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.hero-badge-info h4 {
  font-size: 1.05rem;
  color: #fff;
  margin-bottom: 0.2rem;
}

.hero-badge-info p {
  font-size: 0.85rem;
  color: var(--accent-gold);
}

/* ==========================================================================
   Services Section (4 Main Pillars)
   ========================================================================== */
.services-section {
  background: linear-gradient(180deg, rgba(8, 12, 20, 0) 0%, rgba(15, 23, 42, 0.5) 50%, rgba(8, 12, 20, 0) 100%);
}

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

.service-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.service-card-header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.service-icon-box {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(6, 182, 212, 0.1));
  border: 1px solid var(--border-highlight);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-gold);
  flex-shrink: 0;
}

.service-card:nth-child(even) .service-icon-box {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.15), rgba(37, 99, 235, 0.1));
  border-color: var(--border-cyan-highlight);
  color: var(--accent-cyan);
}

.service-card-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
}

.service-card-desc {
  color: var(--text-secondary);
  font-size: 0.975rem;
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.service-items-list {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  padding-top: 1.25rem;
}

.service-sub-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
}

.service-sub-item .check-icon {
  color: var(--accent-gold);
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.service-card:nth-child(even) .service-sub-item .check-icon {
  color: var(--accent-cyan);
}

.service-card-footer {
  margin-top: 1.8rem;
  display: flex;
  justify-content: flex-end;
}

.btn-service-inquiry {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.925rem;
  font-weight: 700;
  color: var(--accent-gold);
  transition: var(--transition-fast);
}

.btn-service-inquiry:hover {
  color: var(--accent-gold-light);
  transform: translateX(-5px);
}

/* ==========================================================================
   Portfolio Gallery (Real Work Images with Lightbox)
   ========================================================================== */
.portfolio-section {
  position: relative;
}

.portfolio-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2.8rem;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
  color: #0b0f19;
  border-color: var(--accent-gold);
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.35);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.portfolio-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
  transition: var(--transition-normal);
  position: relative;
  display: flex;
  flex-direction: column;
}

.portfolio-item:hover {
  border-color: var(--border-highlight);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg), 0 0 25px rgba(245, 158, 11, 0.2);
}

.portfolio-img-box {
  position: relative;
  width: 100%;
  height: 270px;
  overflow: hidden;
}

.portfolio-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.portfolio-item:hover .portfolio-img {
  transform: scale(1.08);
}

.portfolio-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-highlight);
  color: var(--accent-gold-light);
  font-size: 0.775rem;
  font-weight: 700;
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  z-index: 2;
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8, 12, 20, 0.92) 0%, rgba(8, 12, 20, 0.3) 50%, transparent 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-fast);
}

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

.zoom-icon-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--accent-gold);
  color: #0b0f19;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  cursor: pointer;
  transform: scale(0.8);
  transition: var(--transition-fast);
}

.portfolio-item:hover .zoom-icon-btn {
  transform: scale(1);
}

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

.portfolio-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.45rem;
}

.portfolio-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.portfolio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: auto;
}

.portfolio-tag {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

/* ==========================================================================
   Interactive Quote Calculator (حاسبة المقايسة التفاعلية)
   ========================================================================== */
.calculator-section {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.8) 0%, rgba(8, 12, 20, 0.95) 100%);
  border-block: 1px solid var(--border-subtle);
  position: relative;
}

.calc-wrapper {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-lg), var(--shadow-glow-gold);
}

.calc-form {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.form-label {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-label span.req {
  color: var(--accent-gold);
}

.form-select, .form-input {
  width: 100%;
  padding: 0.85rem 1.15rem;
  background: rgba(10, 14, 23, 0.85);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.975rem;
  transition: var(--transition-fast);
}

.form-select:focus, .form-input:focus {
  outline: none;
  border-color: var(--accent-gold);
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.25);
}

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

.calc-summary-card {
  background: rgba(10, 14, 23, 0.9);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.summary-header h3 {
  font-size: 1.3rem;
  color: #fff;
  margin-bottom: 0.4rem;
}

.summary-header p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.summary-details-list {
  margin-block: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  border-block: 1px solid var(--border-subtle);
  padding-block: 1.25rem;
}

.summary-detail-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.95rem;
}

.summary-detail-item .label {
  color: var(--text-muted);
}

.summary-detail-item .val {
  font-weight: 700;
  color: #fff;
}

.estimate-box {
  background: rgba(245, 158, 11, 0.1);
  border: 1px dashed var(--accent-gold);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
  margin-bottom: 1.5rem;
}

.estimate-box .est-label {
  font-size: 0.875rem;
  color: var(--accent-gold-light);
  margin-bottom: 0.3rem;
}

.estimate-box .est-range {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 900;
  color: #fff;
}

.estimate-box .est-note {
  font-size: 0.775rem;
  color: var(--text-dim);
  margin-top: 0.35rem;
}

/* ==========================================================================
   Why Choose Us & Process Section
   ========================================================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-bottom: 5rem;
}

.feature-box {
  text-align: center;
  padding: 2.2rem 1.5rem;
}

.feature-icon-circle {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  margin-inline: auto;
  margin-bottom: 1.35rem;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(6, 182, 212, 0.15) 100%);
  border: 1px solid var(--border-highlight);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--accent-gold);
}

.feature-box h4 {
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
  color: #fff;
}

.feature-box p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 4-Step Process Timeline */
.process-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
}

.process-timeline::before {
  content: '';
  position: absolute;
  top: 38px;
  right: 12%;
  left: 12%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-gold), var(--accent-cyan));
  z-index: 0;
}

.process-step {
  position: relative;
  z-index: 1;
  text-align: center;
}

.step-number-circle {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  margin-inline: auto;
  margin-bottom: 1.5rem;
  background: var(--bg-primary);
  border: 2px solid var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-gold-light);
  box-shadow: 0 0 20px rgba(245, 158, 11, 0.35);
}

.process-step:nth-child(even) .step-number-circle {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan-light);
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.35);
}

.process-step h4 {
  font-size: 1.15rem;
  color: #fff;
  margin-bottom: 0.5rem;
}

.process-step p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================================================
   FAQ Section (Accordion)
   ========================================================================== */
.faq-container {
  max-width: 860px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.faq-item {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  overflow: hidden;
  transition: var(--transition-fast);
}

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

.faq-question {
  padding: 1.35rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  color: #fff;
  user-select: none;
}

.faq-icon {
  font-size: 1.2rem;
  color: var(--accent-gold);
  transition: transform var(--transition-fast);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding-inline: 1.75rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 250px;
  padding-bottom: 1.5rem;
}

/* ==========================================================================
   Contact & Direct Inquiry Section
   ========================================================================== */
.contact-section {
  position: relative;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: stretch;
}

.contact-info-card {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(8, 12, 20, 0.98) 100%);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-lg);
  padding: 2.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-lg);
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  margin-top: 2rem;
}

.channel-item {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.channel-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-gold);
  font-size: 1.35rem;
  flex-shrink: 0;
}

.channel-item.whatsapp .channel-icon {
  background: rgba(37, 211, 102, 0.15);
  border-color: rgba(37, 211, 102, 0.4);
  color: #25d366;
}

.channel-text .channel-title {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.15rem;
}

.channel-text .channel-link {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  direction: ltr;
  text-align: right;
  display: inline-block;
}

.channel-text .channel-link:hover {
  color: var(--accent-gold);
}

/* Contact Form */
.contact-form-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.75rem;
  box-shadow: var(--shadow-md);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

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

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

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: #05080e;
  border-top: 1px solid var(--border-subtle);
  padding-top: 5rem;
  padding-bottom: 2rem;
  position: relative;
}

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

.footer-col h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1.4rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 35px;
  height: 2px;
  background: var(--accent-gold);
}

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

.footer-link {
  color: var(--text-muted);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

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

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.9rem;
  color: var(--text-dim);
}

/* ==========================================================================
   Floating WhatsApp Button & Modal Lightbox
   ========================================================================== */
.floating-whatsapp {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45);
  z-index: 999;
  cursor: pointer;
  transition: var(--transition-normal);
  animation: pulseGreen 2.5s infinite;
}

.floating-whatsapp:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.65);
}

@keyframes pulseGreen {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
  }
  70% {
    box-shadow: 0 0 0 16px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

/* Lightbox Modal */
.lightbox-modal {
  position: fixed;
  inset: 0;
  background: rgba(4, 7, 13, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.lightbox-modal.active {
  display: flex;
  opacity: 1;
}

.lightbox-content-card {
  background: var(--bg-card);
  border: 1px solid var(--border-highlight);
  border-radius: var(--radius-lg);
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg), var(--shadow-glow-gold);
  position: relative;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
}

.lightbox-close-btn {
  position: absolute;
  top: 1rem;
  left: 1rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: var(--transition-fast);
}

.lightbox-close-btn:hover {
  background: var(--accent-gold);
  color: #0b0f19;
}

.lightbox-img-wrapper {
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-img {
  width: 100%;
  height: 100%;
  max-height: 540px;
  object-fit: contain;
}

.lightbox-details {
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.lightbox-category-tag {
  color: var(--accent-gold);
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.lightbox-title {
  font-size: 1.4rem;
  color: #fff;
  margin-bottom: 1rem;
}

.lightbox-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  
  .hero-content {
    align-items: center;
  }
  
  .hero-btn-group {
    justify-content: center;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .calc-wrapper {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .process-timeline {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 3rem;
  }
  
  .process-timeline::before {
    display: none;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .lightbox-content-card {
    grid-template-columns: 1fr;
  }
}

/* Desktop defaults for drawer/header elements */
.drawer-header {
  display: none;
}

.mobile-menu-actions {
  display: none;
}

.nav-backdrop {
  display: none;
}

.btn-text-short {
  display: none;
}

.btn-text-full {
  display: inline;
}

@media (max-width: 768px) {
  /* Site Header & Mobile Nav */
  .site-header {
    background: rgba(8, 12, 20, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .header-container {
    height: 70px;
    padding-inline: 1rem;
  }

  .brand-logo {
    gap: 0.65rem;
  }

  .brand-icon-box {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
  }

  .brand-icon-box svg {
    width: 20px;
    height: 20px;
  }

  .brand-text h2 {
    font-size: 1.12rem;
  }

  .brand-text span {
    font-size: 0.68rem;
  }

  .header-cta-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }

  /* Compact WhatsApp Button in Header on Mobile */
  .header-cta-group #headerWhatsappBtn {
    display: inline-flex !important;
    padding: 0.45rem 0.85rem !important;
    font-size: 0.82rem !important;
    gap: 0.4rem !important;
    border-radius: var(--radius-full) !important;
  }

  .btn-text-full {
    display: none !important;
  }

  .btn-text-short {
    display: inline !important;
  }

  .mobile-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
  }

  /* Backdrop Overlay */
  .nav-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(4, 7, 13, 0.82);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
  }

  .nav-backdrop.active {
    opacity: 1;
    pointer-events: auto;
  }

  /* Slide-in Mobile Drawer */
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(84vw, 320px);
    height: 100vh;
    background: #0a0e17;
    border-left: 1px solid rgba(245, 158, 11, 0.25);
    flex-direction: column;
    padding: 1.5rem 1.25rem 2rem;
    align-items: stretch;
    gap: 0.25rem;
    transition: right 0.35s cubic-bezier(0.25, 1, 0.5, 1);
    z-index: 999;
    box-shadow: -15px 0 40px rgba(0, 0, 0, 0.9);
    overflow-y: auto;
  }

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

  .drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 1.2rem;
    margin-bottom: 0.8rem;
    border-bottom: 1px solid var(--border-subtle);
  }

  .drawer-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--accent-gold);
  }

  .drawer-close-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #fff;
    font-size: 1.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
  }

  .nav-link {
    font-size: 1.05rem;
    padding: 0.85rem 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  }

  .nav-link::after {
    display: none;
  }

  .mobile-menu-actions {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    margin-top: auto;
    padding-top: 1.5rem;
  }

  .mobile-menu-actions .btn {
    padding: 0.75rem 1rem;
    font-size: 0.92rem;
    justify-content: center;
  }

  /* Floating WhatsApp Button on Mobile */
  .floating-whatsapp {
    bottom: 1.25rem;
    left: 1.25rem;
    width: 50px;
    height: 50px;
    font-size: 1.6rem;
    z-index: 900;
  }

  body.menu-open .floating-whatsapp,
  body.modal-open .floating-whatsapp {
    opacity: 0 !important;
    pointer-events: none !important;
    transform: scale(0.6) !important;
  }

  /* General Mobile Sections */
  .section {
    padding-block: 3.5rem;
  }

  .container {
    padding-inline: 1rem;
  }

  .section-title-wrap {
    margin-bottom: 2.2rem;
  }

  .section-title {
    font-size: 1.75rem;
    line-height: 1.3;
  }

  .section-subtitle {
    font-size: 0.925rem;
    line-height: 1.65;
  }

  /* Hero Section on Mobile */
  .hero-section {
    padding-top: 5.8rem;
    padding-bottom: 3rem;
  }

  .hero-grid {
    gap: 2.2rem;
  }

  .hero-content {
    align-items: center;
    text-align: center;
  }

  .badge-tag {
    font-size: 0.78rem;
    padding: 0.25rem 0.85rem;
  }

  .hero-title {
    font-size: 1.9rem;
    line-height: 1.35;
    margin-bottom: 1rem;
  }

  .hero-description {
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 1.75rem;
  }

  .hero-btn-group {
    display: flex;
    flex-direction: column;
    width: 100%;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
  }

  .hero-btn-group .btn {
    width: 100%;
    max-width: 320px;
    padding: 0.85rem 1.25rem;
    font-size: 0.95rem;
    justify-content: center;
  }

  .hero-stats-row {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    padding-top: 1.5rem;
  }

  .stat-number {
    font-size: 1.55rem;
  }

  .stat-label {
    font-size: 0.725rem;
    line-height: 1.35;
  }

  .hero-visual-card {
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.6);
  }

  .hero-visual-img {
    height: 250px;
  }

  .hero-badge-overlay {
    bottom: 0.85rem;
    right: 0.85rem;
    left: 0.85rem;
    padding: 0.85rem;
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }

  .hero-badge-info h4 {
    font-size: 0.9rem;
  }

  .hero-badge-info p {
    font-size: 0.76rem;
  }

  .hero-badge-overlay .btn {
    width: 100%;
    padding: 0.45rem;
    font-size: 0.82rem;
  }

  /* Services Cards on Mobile */
  .services-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .service-card {
    padding: 1.6rem 1.25rem;
    border-radius: 16px;
  }

  .service-card-header {
    gap: 1rem;
    margin-bottom: 1.2rem;
  }

  .service-icon-box {
    width: 48px;
    height: 48px;
  }

  .service-card-title {
    font-size: 1.2rem;
  }

  .service-card-desc {
    font-size: 0.9rem;
    margin-bottom: 1.2rem;
    line-height: 1.65;
  }

  .service-items-list {
    gap: 0.8rem;
    padding-top: 1rem;
  }

  .service-sub-item {
    font-size: 0.875rem;
    line-height: 1.6;
  }

  /* Portfolio Section on Mobile (Horizontal Scroll Pills) */
  .portfolio-filters {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    justify-content: flex-start;
    padding-bottom: 0.75rem;
    margin-bottom: 1.8rem;
    gap: 0.5rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-inline: 0.25rem;
  }

  .portfolio-filters::-webkit-scrollbar {
    display: none;
  }

  .filter-btn {
    white-space: nowrap;
    flex-shrink: 0;
    padding: 0.45rem 1.05rem;
    font-size: 0.84rem;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .portfolio-item {
    border-radius: 16px;
  }

  .portfolio-img-box {
    height: 230px;
  }

  .portfolio-meta {
    padding: 1.2rem;
  }

  .portfolio-title {
    font-size: 1.1rem;
  }

  .portfolio-desc {
    font-size: 0.85rem;
    line-height: 1.6;
  }

  /* Lightbox Modal on Mobile */
  .lightbox-modal {
    padding: 0.75rem;
    align-items: center;
  }

  .lightbox-content-card {
    grid-template-columns: 1fr;
    max-height: 90vh;
    border-radius: 18px;
    overflow-y: auto;
  }

  .lightbox-close-btn {
    top: 0.75rem;
    left: 0.75rem;
    width: 36px;
    height: 36px;
    font-size: 1.25rem;
  }

  .lightbox-img-wrapper {
    height: 200px;
    overflow: hidden;
  }

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

  .lightbox-details {
    padding: 1.35rem 1.2rem 1.6rem;
  }

  .lightbox-title {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
  }

  .lightbox-desc {
    font-size: 0.86rem;
    line-height: 1.6;
    margin-bottom: 1.2rem;
  }

  #lightboxWhatsappBtn {
    padding: 0.8rem 1rem;
    font-size: 0.92rem;
  }

  /* Features & 4-Step Process on Mobile */
  .features-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    margin-bottom: 3.5rem;
  }

  .feature-box {
    padding: 1.75rem 1.25rem;
    border-radius: 16px;
  }

  .feature-icon-circle {
    width: 58px;
    height: 58px;
    font-size: 1.4rem;
    margin-bottom: 1rem;
  }

  .feature-box h4 {
    font-size: 1.1rem;
  }

  .process-timeline {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .process-step {
    display: flex;
    align-items: flex-start;
    text-align: right;
    gap: 1.15rem;
    background: rgba(18, 26, 43, 0.5);
    padding: 1.25rem;
    border-radius: 14px;
    border: 1px solid var(--border-subtle);
  }

  .step-number-circle {
    width: 48px;
    height: 48px;
    font-size: 1.15rem;
    margin-bottom: 0;
    flex-shrink: 0;
  }

  .process-step h4 {
    font-size: 1.05rem;
    margin-bottom: 0.25rem;
  }

  .process-step p {
    font-size: 0.85rem;
    line-height: 1.55;
  }

  /* Contact Section on Mobile */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .contact-info-card {
    padding: 1.8rem 1.25rem;
    border-radius: 16px;
  }

  .contact-channels {
    gap: 1.25rem;
    margin-top: 1.5rem;
  }

  .channel-item {
    gap: 0.9rem;
  }

  .channel-icon {
    width: 44px;
    height: 44px;
    font-size: 1.15rem;
  }

  .channel-text .channel-title {
    font-size: 0.8rem;
  }

  .channel-text .channel-link {
    font-size: 1rem;
  }

  .contact-form-wrapper {
    padding: 1.8rem 1.25rem;
    border-radius: 16px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 1.1rem;
  }

  .form-select, .form-input {
    padding: 0.85rem 1rem;
    font-size: 0.95rem;
    border-radius: 10px;
    min-height: 48px;
  }

  #submitFormBtn {
    padding: 0.95rem;
    font-size: 1.02rem;
    min-height: 48px;
  }

  /* Footer on Mobile */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 0.85rem;
    text-align: center;
  }
}

@media (max-width: 420px) {
  .hero-title {
    font-size: 1.72rem;
  }

  .stat-number {
    font-size: 1.35rem;
  }

  .stat-label {
    font-size: 0.68rem;
  }

  .brand-text h2 {
    font-size: 1.02rem;
  }
}