/* ==========================================================================
   NAWADEEP ENGINEERING SERVICES - MODERN DESIGN SYSTEM & STYLESHEET
   ========================================================================== */

/* --- CSS Variables & Design Tokens --- */
:root {
  /* Brand Palette */
  --bg-dark: #090e1a;
  --bg-card: #0f172a;
  --bg-card-hover: #17233f;
  --bg-surface: #1e293b;
  --bg-light: #f8fafc;
  --bg-light-alt: #f1f5f9;

  /* Primary Accent: Architectural Cyan / Blueprint Blue */
  --cyan-primary: #0284c7;
  --cyan-light: #38bdf8;
  --cyan-glow: rgba(56, 189, 248, 0.25);
  --cyan-border: rgba(56, 189, 248, 0.35);

  /* Secondary Accent: Construction Safety Gold / Amber */
  --amber-primary: #f59e0b;
  --amber-hover: #d97706;
  --amber-glow: rgba(245, 158, 11, 0.3);

  /* WhatsApp Brand Color */
  --whatsapp-green: #25d366;
  --whatsapp-dark: #128c7e;
  --whatsapp-hover: #1ebd5b;
  --whatsapp-glow: rgba(37, 211, 102, 0.35);

  /* Status Colors */
  --emerald: #10b981;
  --emerald-glow: rgba(16, 185, 129, 0.25);
  --danger: #ef4444;

  /* Typography */
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --text-dark: #0f172a;
  --text-dark-muted: #475569;

  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'Fira Code', monospace;

  /* Elevations & Glassmorphism */
  --glass-bg: rgba(15, 23, 42, 0.75);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
  --card-shadow: 0 10px 30px -10px rgba(2, 6, 23, 0.6);
  --card-hover-shadow: 0 20px 40px -10px rgba(2, 132, 199, 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);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --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-body);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

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

ul {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

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

.section {
  padding: 6rem 0;
  position: relative;
}

.text-center { text-align: center; }
.text-cyan { color: var(--cyan-light); }
.text-gold { color: var(--amber-primary); }
.text-warning { color: #fbbf24; }
.text-emerald { color: var(--emerald); }
.text-whatsapp { color: var(--whatsapp-green); }
.text-muted { color: var(--text-muted); }
.w-100 { width: 100%; }
.mb-2 { margin-bottom: 0.75rem; }
.mt-2 { margin-top: 0.75rem; }

.gradient-text {
  background: linear-gradient(135deg, #38bdf8 0%, #0284c7 50%, #f59e0b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.highlight-naksa {
  background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
}

/* --- Section Headers --- */
.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid var(--cyan-border);
  color: var(--cyan-light);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.25;
  margin-bottom: 1rem;
  letter-spacing: -0.5px;
}

.section-subtitle {
  max-width: 680px;
  margin: 0 auto 3.5rem auto;
  color: var(--text-muted);
  font-size: 1.05rem;
}

.section-subtitle-left {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 2rem;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-weight: 600;
  padding: 0.75rem 1.6rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  font-size: 0.95rem;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(2, 132, 199, 0.4);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #38bdf8 0%, #0284c7 100%);
  box-shadow: 0 8px 25px rgba(56, 189, 248, 0.5);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  color: #ffffff;
  box-shadow: 0 4px 15px var(--whatsapp-glow);
}
.btn-whatsapp:hover {
  background: linear-gradient(135deg, #2ae772 0%, #17a091 100%);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
  transform: translateY(-2px);
  color: #ffffff;
}

.btn-whatsapp-header {
  background: rgba(37, 211, 102, 0.15);
  border: 1px solid rgba(37, 211, 102, 0.4);
  color: #25d366;
  padding: 0.6rem 1.1rem;
  font-size: 0.9rem;
}
.btn-whatsapp-header:hover {
  background: #25d366;
  color: #ffffff;
  box-shadow: 0 0 15px var(--whatsapp-glow);
}

.btn-whatsapp-lg {
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  color: #ffffff;
  padding: 0.9rem 1.8rem;
  font-size: 1.05rem;
  font-weight: 700;
  box-shadow: 0 6px 20px var(--whatsapp-glow);
}
.btn-whatsapp-lg:hover {
  background: linear-gradient(135deg, #2ce874 0%, #159c8d 100%);
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.6);
  transform: translateY(-2px);
}

.btn-whatsapp-submit {
  background: linear-gradient(135deg, #25d366 0%, #0f7a6e 100%);
  color: #ffffff;
  padding: 1.05rem 2rem;
  font-size: 1.05rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}
.btn-whatsapp-submit:hover {
  background: linear-gradient(135deg, #2fe976 0%, #148f81 100%);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.5);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--glass-border);
  color: var(--text-main);
}
.btn-outline:hover {
  border-color: var(--cyan-light);
  color: var(--cyan-light);
  background: rgba(56, 189, 248, 0.08);
}

.btn-outline-white {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #ffffff;
}
.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #ffffff;
}

.btn-glass {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #ffffff;
}
.btn-glass:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--cyan-light);
  color: var(--cyan-light);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 0.9rem 1.8rem;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
}

/* ==========================================================================
   TOP BAR & NAVIGATION
   ========================================================================== */
.top-bar {
  background-color: #060a12;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.85rem;
  color: var(--text-muted);
  padding: 0.5rem 0;
  position: relative;
  z-index: 101;
}

.top-bar-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.badge-pulse {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--cyan-light);
  font-weight: 600;
  background: rgba(56, 189, 248, 0.08);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
}
.badge-pulse i {
  font-size: 0.45rem;
  color: var(--emerald);
  animation: pulse 1.5s infinite;
}

.top-bar-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.top-bar-link:hover {
  color: var(--cyan-light);
}

.whatsapp-link {
  color: var(--whatsapp-green);
  font-weight: 600;
}
.whatsapp-link:hover {
  color: #2ae772;
}

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(9, 14, 26, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  z-index: 100;
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(9, 14, 26, 0.98);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  border-bottom-color: rgba(56, 189, 248, 0.2);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand-logo {
  height: 52px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.5));
}

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

.brand-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: 0.5px;
  color: #ffffff;
  line-height: 1.1;
}

.brand-sub {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--cyan-light);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-muted);
  position: relative;
  padding: 0.5rem 0;
}
.nav-link:hover, .nav-link.active {
  color: #ffffff;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--cyan-light);
  transition: width var(--transition-fast);
}
.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.menu-toggle span {
  width: 24px;
  height: 2px;
  background-color: #ffffff;
  border-radius: 2px;
  transition: var(--transition-fast);
}

/* Mobile Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background: var(--bg-card);
  border-left: 1px solid var(--glass-border);
  z-index: 200;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: right var(--transition-normal);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.7);
}

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

.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 199;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.drawer-backdrop.open {
  opacity: 1;
  pointer-events: all;
}

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

.drawer-close {
  background: transparent;
  border: none;
  font-size: 2rem;
  color: var(--text-muted);
  cursor: pointer;
}

.drawer-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 1.5rem 0;
  overflow-y: auto;
}

.drawer-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
}
.drawer-link:hover {
  background: rgba(56, 189, 248, 0.1);
  color: var(--cyan-light);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 5rem 0 2rem 0;
  overflow: hidden;
  background: radial-gradient(circle at 80% 20%, rgba(2, 132, 199, 0.15) 0%, transparent 60%),
              radial-gradient(circle at 10% 80%, rgba(245, 158, 11, 0.08) 0%, transparent 50%),
              var(--bg-dark);
}

/* Blueprint Grid Background Pattern */
.hero-blueprint-bg {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(56, 189, 248, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  background-position: center center;
  pointer-events: none;
  opacity: 0.8;
}

.hero-glow-blob {
  position: absolute;
  width: 450px;
  height: 450px;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}
.blob-1 {
  top: -100px;
  right: -100px;
  background: rgba(2, 132, 199, 0.2);
}
.blob-2 {
  bottom: 50px;
  left: -100px;
  background: rgba(245, 158, 11, 0.1);
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(2, 132, 199, 0.12);
  border: 1px solid var(--cyan-border);
  color: var(--cyan-light);
  padding: 0.4rem 1.1rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--cyan-light);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--cyan-light);
  animation: pulse 1.8s infinite;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.4rem;
  font-weight: 800;
  line-height: 1.15;
  color: #ffffff;
  margin-bottom: 1.25rem;
  letter-spacing: -1px;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 2.2rem;
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.pulse-glow {
  animation: buttonGlow 3s infinite;
}

.hero-trust-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
}
.trust-item i {
  font-size: 1.05rem;
}

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

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: visible;
}

.hero-main-img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--cyan-border);
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.8),
              0 0 35px rgba(2, 132, 199, 0.2);
  transition: transform var(--transition-slow);
}
.hero-image-wrapper:hover .hero-main-img {
  transform: scale(1.02);
}

/* Floating Badges on Hero */
.floating-badge {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.75rem 1.1rem;
  border-radius: var(--radius-md);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
  z-index: 2;
  animation: float 4s ease-in-out infinite;
}

.badge-top-right {
  top: -20px;
  right: -20px;
  animation-delay: 0s;
}

.badge-bottom-left {
  bottom: -20px;
  left: -20px;
  animation-delay: 2s;
}

.badge-bottom-right {
  bottom: 25px;
  right: -15px;
  animation-delay: 1s;
}

.badge-icon-box {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
}

.bg-cyan-glow {
  background: rgba(56, 189, 248, 0.2);
  color: var(--cyan-light);
  border: 1px solid var(--cyan-border);
}
.bg-emerald-glow {
  background: rgba(16, 185, 129, 0.2);
  color: var(--emerald);
  border: 1px solid rgba(16, 185, 129, 0.4);
}
.bg-amber-glow {
  background: rgba(245, 158, 11, 0.2);
  color: var(--amber-primary);
  border: 1px solid var(--amber-glow);
}

.badge-title {
  font-weight: 700;
  font-size: 0.9rem;
  color: #ffffff;
}

.badge-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Stats Bar */
.hero-stats-bar {
  margin-top: 4.5rem;
  position: relative;
  z-index: 1;
}

.stats-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 1.8rem 2rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
}
.stat-card:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -0.75rem;
  top: 15%;
  height: 70%;
  width: 1px;
  background: rgba(255, 255, 255, 0.08);
}

.stat-icon {
  font-size: 1.4rem;
  color: var(--cyan-light);
  margin-bottom: 0.35rem;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.3rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.1;
}
.stat-number::after {
  content: '+';
  color: var(--amber-primary);
}
.stat-card:nth-child(4) .stat-number::after {
  content: '%';
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-top: 0.25rem;
}

/* ==========================================================================
   ABOUT US SECTION
   ========================================================================== */
.about-section {
  background: var(--bg-card);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.about-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 4rem;
  align-items: center;
}

.about-img-frame {
  position: relative;
  border-radius: var(--radius-lg);
}

.about-main-img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--card-shadow);
}

.experience-card {
  position: absolute;
  bottom: -25px;
  right: -20px;
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
  color: #ffffff;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: 0 15px 35px rgba(2, 132, 199, 0.4);
  display: flex;
  align-items: center;
  gap: 1rem;
  max-width: 260px;
}

.exp-number {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1;
}

.exp-text {
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1.3;
}

.about-tagline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--cyan-light);
  margin-bottom: 0.85rem;
}

.about-heading {
  font-family: var(--font-heading);
  font-size: 2.1rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.25;
  margin-bottom: 1.25rem;
}

.about-paragraph {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.features-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2.2rem;
}

.feature-item {
  display: flex;
  gap: 1rem;
}

.feature-icon {
  width: 44px;
  height: 44px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid var(--cyan-border);
  color: var(--cyan-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.feature-info h4 {
  font-size: 0.98rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.3rem;
}

.feature-info p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.about-cta-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ==========================================================================
   CORE SERVICES SECTION
   ========================================================================== */
.services-section {
  background: var(--bg-dark);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 3.5rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition-normal);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--cyan-light), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--cyan-border);
  box-shadow: var(--card-hover-shadow);
  background: var(--bg-card-hover);
}
.service-card:hover::before {
  opacity: 1;
}

.service-badge-top {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: rgba(245, 158, 11, 0.2);
  border: 1px solid var(--amber-primary);
  color: var(--amber-primary);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
}

.service-icon-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.service-icon-wrapper i {
  width: 55px;
  height: 55px;
  background: rgba(2, 132, 199, 0.15);
  border: 1px solid var(--cyan-border);
  color: var(--cyan-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  transition: all var(--transition-fast);
}
.service-card:hover .service-icon-wrapper i {
  background: var(--cyan-primary);
  color: #ffffff;
  transform: rotate(-5deg);
}

.service-num {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.12);
}

.service-card-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.85rem;
  line-height: 1.3;
}

.service-card-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.service-bullet-list {
  margin-bottom: 2rem;
  flex-grow: 1;
}

.service-bullet-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.86rem;
  color: #cbd5e1;
  margin-bottom: 0.6rem;
  line-height: 1.45;
}
.service-bullet-list li i {
  color: var(--emerald);
  font-size: 0.75rem;
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.service-card-footer {
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1.25rem;
}

.service-inquire-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--cyan-light);
}
.service-inquire-btn:hover {
  color: var(--whatsapp-green);
  gap: 0.75rem;
}

.highlighted-naksa-card {
  border-color: rgba(245, 158, 11, 0.4);
  background: radial-gradient(circle at top right, rgba(245, 158, 11, 0.08) 0%, var(--bg-card) 60%);
}

.custom-service-cta {
  background: linear-gradient(135deg, rgba(2, 132, 199, 0.2) 0%, rgba(15, 23, 42, 0.9) 100%);
  border: 1px solid var(--cyan-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.cta-text h3 {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.4rem;
}

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

.cta-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ==========================================================================
   NAKSA PASS SECTION
   ========================================================================== */
.naksapass-section {
  background: var(--bg-card);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.naksa-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.naksa-steps-checklist {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.naksa-step-item {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.naksa-step-num {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--amber-primary), #d97706);
  color: #000000;
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.naksa-step-detail h4 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.35rem;
}

.naksa-step-detail p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.naksa-cta-box {
  background: rgba(37, 211, 102, 0.08);
  border: 1px solid rgba(37, 211, 102, 0.3);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.naksa-cta-text {
  display: flex;
  flex-direction: column;
}
.naksa-cta-text strong {
  color: #ffffff;
  font-size: 0.98rem;
}
.naksa-cta-text span {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.naksa-image-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.naksa-stamp-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-12deg);
  pointer-events: none;
}

.stamp-circle {
  width: 150px;
  height: 150px;
  border: 4px dashed var(--amber-primary);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--amber-primary);
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(8px);
  box-shadow: 0 0 30px rgba(245, 158, 11, 0.4);
}
.stamp-circle i {
  font-size: 2rem;
  margin-bottom: 0.2rem;
}
.stamp-circle span {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 1px;
}
.stamp-circle small {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 1px;
}

/* ==========================================================================
   ESTIMATOR SECTION
   ========================================================================== */
.estimator-section {
  background: var(--bg-dark);
}

.estimator-container {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 2.5rem;
  align-items: flex-start;
}

.estimator-form-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  box-shadow: var(--glass-shadow);
}

.calc-group {
  margin-bottom: 1.8rem;
}

.calc-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.85rem;
}

.calc-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.85rem;
}
.calc-label-row .calc-label {
  margin-bottom: 0;
}

.calc-service-pills {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.calc-pill {
  background: rgba(30, 41, 59, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-align: left;
  font-size: 0.88rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}
.calc-pill i {
  font-size: 1.1rem;
  color: var(--cyan-light);
}
.calc-pill:hover {
  background: rgba(56, 189, 248, 0.1);
  border-color: var(--cyan-border);
  color: #ffffff;
}
.calc-pill.active {
  background: rgba(2, 132, 199, 0.25);
  border-color: var(--cyan-light);
  color: #ffffff;
  box-shadow: 0 0 15px rgba(56, 189, 248, 0.25);
}

.unit-toggle {
  display: flex;
  background: var(--bg-dark);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 2px;
}

.unit-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.65rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.unit-btn.active {
  background: var(--cyan-primary);
  color: #ffffff;
}

.calc-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.input-with-icon {
  position: relative;
  display: flex;
  align-items: center;
}

.calc-input, .calc-select {
  width: 100%;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  color: #ffffff;
  font-size: 1rem;
  font-weight: 600;
  outline: none;
  transition: border-color var(--transition-fast);
}
.calc-input:focus, .calc-select:focus {
  border-color: var(--cyan-light);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

.input-suffix {
  position: absolute;
  right: 1rem;
  color: var(--cyan-light);
  font-weight: 700;
  font-size: 0.85rem;
  pointer-events: none;
}

.unit-helper {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.4rem;
}
.unit-helper strong {
  color: var(--cyan-light);
}

.storeys-selector {
  display: flex;
  gap: 0.5rem;
}

.storey-btn {
  flex: 1;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--text-main);
  padding: 0.85rem 0.5rem;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.storey-btn:hover {
  border-color: var(--cyan-light);
}
.storey-btn.active {
  background: var(--cyan-primary);
  border-color: var(--cyan-light);
  color: #ffffff;
}

/* Estimator Result Card */
.estimator-result-card {
  background: linear-gradient(145deg, #111c35 0%, #0c1426 100%);
  border: 1px solid var(--cyan-border);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6),
              0 0 30px rgba(2, 132, 199, 0.15);
  position: sticky;
  top: 100px;
}

.result-header {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 1.25rem;
  margin-bottom: 1.5rem;
}

.result-badge {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--cyan-light);
  letter-spacing: 1px;
}

.result-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 800;
  color: #ffffff;
  margin-top: 0.2rem;
}

.result-breakdown {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.8rem;
}

.res-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.88rem;
}

.res-key {
  color: var(--text-muted);
}

.res-val {
  font-weight: 600;
  color: #ffffff;
}

.highlight-cyan {
  color: var(--cyan-light);
  font-weight: 700;
}

.result-total-box {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  text-align: center;
  margin-bottom: 1.5rem;
}

.total-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.35rem;
}

.total-price {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--amber-primary);
}

.total-disclaimer {
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-top: 0.4rem;
}

.estimator-guarantee {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 1rem;
  text-align: center;
}

/* ==========================================================================
   PORTFOLIO SECTION
   ========================================================================== */
.portfolio-section {
  background: var(--bg-card);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.portfolio-filter-tabs {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 3rem;
}

.filter-tab {
  background: rgba(30, 41, 59, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.filter-tab:hover {
  color: #ffffff;
  border-color: var(--cyan-light);
}
.filter-tab.active {
  background: var(--cyan-primary);
  color: #ffffff;
  border-color: var(--cyan-light);
  box-shadow: 0 4px 15px rgba(2, 132, 199, 0.35);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

.portfolio-card {
  background: var(--bg-dark);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}
.portfolio-card:hover {
  transform: translateY(-6px);
  border-color: var(--cyan-border);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

.portfolio-img-wrap {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.portfolio-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.portfolio-card:hover .portfolio-img {
  transform: scale(1.05);
}

.portfolio-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  backdrop-filter: blur(8px);
  z-index: 2;
}
.badge-naksa {
  background: rgba(16, 185, 129, 0.85);
  color: #ffffff;
}
.badge-commercial {
  background: rgba(2, 132, 199, 0.85);
  color: #ffffff;
}
.badge-structural {
  background: rgba(245, 158, 11, 0.85);
  color: #000000;
}
.badge-site {
  background: rgba(168, 85, 247, 0.85);
  color: #ffffff;
}

.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: rgba(9, 14, 26, 0.75);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: 3;
}
.portfolio-card:hover .portfolio-overlay {
  opacity: 1;
}

.overlay-btn {
  background: var(--whatsapp-green);
  color: #ffffff;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.92rem;
  box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4);
  transform: translateY(10px);
  transition: all var(--transition-normal);
}
.portfolio-card:hover .overlay-btn {
  transform: translateY(0);
}
.overlay-btn:hover {
  background: #2ce874;
}

.portfolio-body {
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.portfolio-category {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--cyan-light);
  letter-spacing: 0.5px;
  margin-bottom: 0.35rem;
}

.portfolio-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.6rem;
}

.portfolio-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.portfolio-meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1rem;
  font-size: 0.82rem;
  color: #cbd5e1;
}
.portfolio-meta span {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.portfolio-meta i {
  color: var(--cyan-light);
}

/* ==========================================================================
   WORKFLOW PROCESS SECTION
   ========================================================================== */
.process-section {
  background: var(--bg-dark);
}

.process-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
}

.process-card {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 1.8rem 1.4rem;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-normal);
}
.process-card:hover {
  transform: translateY(-6px);
  border-color: var(--cyan-border);
  box-shadow: var(--card-hover-shadow);
}

.process-step-num {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.08);
}

.process-icon-box {
  width: 50px;
  height: 50px;
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid var(--cyan-border);
  color: var(--cyan-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 1.25rem;
}

.process-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.6rem;
  line-height: 1.35;
}

.process-text {
  font-size: 0.83rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ==========================================================================
   WHY CHOOSE US SECTION
   ========================================================================== */
.why-section {
  background: var(--bg-card);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.why-card {
  background: rgba(30, 41, 59, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 1.8rem;
  text-align: center;
  transition: all var(--transition-fast);
}
.why-card:hover {
  background: rgba(56, 189, 248, 0.08);
  border-color: var(--cyan-border);
}

.why-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, rgba(2, 132, 199, 0.2), rgba(56, 189, 248, 0.1));
  border: 1px solid var(--cyan-border);
  color: var(--cyan-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 1.25rem auto;
}

.why-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.why-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   FAQ ACCORDION SECTION
   ========================================================================== */
.faq-section {
  background: var(--bg-dark);
}

.faq-accordion {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}
.faq-item.active {
  border-color: var(--cyan-border);
}

.faq-question {
  width: 100%;
  background: transparent;
  border: none;
  padding: 1.4rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: #ffffff;
  font-weight: 700;
  font-size: 1.05rem;
  text-align: left;
  cursor: pointer;
}
.faq-question i {
  color: var(--cyan-light);
  transition: transform var(--transition-normal);
  flex-shrink: 0;
}
.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out;
}
.faq-item.active .faq-answer {
  max-height: 400px;
}

.faq-answer p {
  padding: 0 1.5rem 1.4rem 1.5rem;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.65;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 1rem;
}

/* ==========================================================================
   CONTACT SECTION WITH WHATSAPP DISPATCH
   ========================================================================== */
.contact-section {
  background: radial-gradient(circle at top right, rgba(2, 132, 199, 0.1) 0%, var(--bg-card) 60%);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 3rem;
  align-items: flex-start;
}

.contact-info-card {
  background: var(--bg-dark);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  box-shadow: var(--glass-shadow);
}

.info-card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
}

.contact-card-logo {
  height: 55px;
  width: auto;
  object-fit: contain;
}

.info-card-header h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.2;
}

.info-card-header p {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 2rem;
}

.contact-method-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(30, 41, 59, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  padding: 0.95rem 1.1rem;
  transition: all var(--transition-fast);
}
.contact-method-item:not(.no-click):hover {
  background: rgba(56, 189, 248, 0.1);
  border-color: var(--cyan-border);
  transform: translateX(4px);
}

.whatsapp-method {
  border-color: rgba(37, 211, 102, 0.35);
  background: rgba(37, 211, 102, 0.08);
}
.whatsapp-method:hover {
  background: rgba(37, 211, 102, 0.15) !important;
  border-color: var(--whatsapp-green) !important;
}

.method-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  color: var(--cyan-light);
  flex-shrink: 0;
}
.whatsapp-method .method-icon {
  background: var(--whatsapp-green);
  color: #ffffff;
}

.method-text {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.method-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.method-val {
  font-size: 0.92rem;
  font-weight: 700;
  color: #ffffff;
}

.method-arrow {
  font-size: 0.85rem;
  color: var(--text-dim);
}
.contact-method-item:hover .method-arrow {
  color: var(--cyan-light);
}

.quick-whatsapp-box {
  background: linear-gradient(135deg, rgba(37, 211, 102, 0.15) 0%, rgba(18, 140, 126, 0.1) 100%);
  border: 1px solid rgba(37, 211, 102, 0.35);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.quick-wa-text h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.2rem;
}

.quick-wa-text p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Contact Form Card */
.contact-form-card {
  background: var(--bg-dark);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  box-shadow: var(--glass-shadow);
}

.form-header {
  margin-bottom: 1.8rem;
}

.form-header h3 {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 800;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.35rem;
}

.form-header p {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.engineering-contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

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

.form-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: #e2e8f0;
  margin-bottom: 0.4rem;
}

.req {
  color: var(--danger);
}

.input-icon-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.input-icon-wrap i {
  position: absolute;
  left: 1.1rem;
  color: var(--cyan-light);
  font-size: 0.95rem;
  pointer-events: none;
}

.textarea-wrap {
  align-items: flex-start;
}
.textarea-wrap i {
  top: 1.1rem;
}

.form-control {
  width: 100%;
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem 0.85rem 2.8rem;
  color: #ffffff;
  font-size: 0.95rem;
  outline: none;
  transition: all var(--transition-fast);
}
.form-control:focus {
  border-color: var(--cyan-light);
  background: rgba(30, 41, 59, 0.9);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

.form-control.is-invalid {
  border-color: var(--danger);
}

.error-feedback {
  display: none;
  font-size: 0.78rem;
  color: var(--danger);
  margin-top: 0.3rem;
}
.form-control.is-invalid ~ .error-feedback {
  display: block;
}

textarea.form-control {
  resize: vertical;
  min-height: 100px;
}

.select-wrap select {
  appearance: none;
  cursor: pointer;
}

.form-notice {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 0.5rem;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  background-color: #05080f;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 5rem 0 2rem 0;
  font-size: 0.92rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1.1fr 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.25rem;
}

.footer-logo {
  height: 50px;
  width: auto;
}

.footer-about {
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.footer-badges {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.f-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: #cbd5e1;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-full);
}
.f-badge i {
  color: var(--cyan-light);
}

.footer-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.5rem;
}
.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--cyan-light);
}

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

.footer-links li a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.88rem;
}
.footer-links li a:hover {
  color: var(--cyan-light);
  transform: translateX(4px);
}
.footer-links li a i {
  font-size: 0.75rem;
  color: var(--cyan-light);
}

.footer-contact-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.f-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  font-size: 0.88rem;
}
.f-contact-item i {
  margin-top: 0.25rem;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.f-contact-item div {
  display: flex;
  flex-direction: column;
}
.f-contact-item strong {
  color: #ffffff;
  font-size: 0.8rem;
}
.f-contact-item a {
  color: var(--text-muted);
}
.f-contact-item a:hover {
  color: var(--cyan-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--text-dim);
  font-size: 0.85rem;
}

.footer-bottom strong {
  color: var(--text-main);
}

.footer-bottom-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.back-to-top {
  width: 38px;
  height: 38px;
  background: rgba(56, 189, 248, 0.15);
  border: 1px solid var(--cyan-border);
  color: var(--cyan-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}
.back-to-top:hover {
  background: var(--cyan-primary);
  color: #ffffff;
  transform: translateY(-3px);
}

/* ==========================================================================
   FLOATING WHATSAPP BUTTON & TOAST MODAL
   ========================================================================== */
.floating-whatsapp-hub {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 99;
}

.wa-float-btn {
  width: 62px;
  height: 62px;
  background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.5);
  position: relative;
  cursor: pointer;
  transition: transform var(--transition-fast);
}
.wa-float-btn:hover {
  transform: scale(1.08);
  color: #ffffff;
}

.wa-tooltip {
  position: absolute;
  right: 75px;
  background: #0f172a;
  color: #ffffff;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(37, 211, 102, 0.4);
  pointer-events: none;
  opacity: 0;
  transform: translateX(10px);
  transition: all var(--transition-fast);
}
.wa-float-btn:hover .wa-tooltip {
  opacity: 1;
  transform: translateX(0);
}

.wa-pulse-ring {
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid var(--whatsapp-green);
  animation: pulseRing 2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
  pointer-events: none;
}

/* Toast Modal */
.toast-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 300;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}
.toast-modal.show {
  opacity: 1;
  pointer-events: all;
}

.toast-modal-card {
  background: var(--bg-card);
  border: 1px solid var(--whatsapp-green);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  max-width: 440px;
  width: 100%;
  text-align: center;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7);
  transform: scale(0.9);
  transition: transform var(--transition-normal);
}
.toast-modal.show .toast-modal-card {
  transform: scale(1);
}

.toast-icon-box {
  width: 70px;
  height: 70px;
  background: rgba(37, 211, 102, 0.15);
  border: 2px solid var(--whatsapp-green);
  color: var(--whatsapp-green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  margin: 0 auto 1.25rem auto;
}

.toast-modal-card h3 {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  color: #ffffff;
  margin-bottom: 0.6rem;
}

.toast-modal-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.5;
  margin-bottom: 1.8rem;
}

/* ==========================================================================
   KEYFRAME ANIMATIONS
   ========================================================================== */
@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.6; }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes pulseRing {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.25); opacity: 0.3; }
  100% { transform: scale(1.4); opacity: 0; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes buttonGlow {
  0%, 100% { box-shadow: 0 4px 15px rgba(2, 132, 199, 0.4); }
  50% { box-shadow: 0 6px 25px rgba(56, 189, 248, 0.7); }
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 1100px) {
  .hero-title { font-size: 2.8rem; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .process-timeline { grid-template-columns: repeat(3, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 2.5rem; }
}

@media (max-width: 900px) {
  .nav-links, .btn-whatsapp-header { display: none; }
  .menu-toggle { display: flex; }
  
  .hero-container { grid-template-columns: 1fr; gap: 2.5rem; }
  .hero-visual { order: -1; max-width: 600px; margin: 0 auto; }
  .stats-container { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .stat-card:nth-child(2)::after { display: none; }

  .about-grid { grid-template-columns: 1fr; gap: 3rem; }
  .naksa-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .estimator-container { grid-template-columns: 1fr; }
  .estimator-result-card { position: static; }
  .contact-wrapper { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .process-timeline { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .top-bar-left { display: none; }
  .top-bar-container { justify-content: center; }
  .hero-title { font-size: 2.2rem; }
  .hero-description { font-size: 1rem; }
  
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; }

  .services-grid { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: 1fr; }
  .process-timeline { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .features-list { grid-template-columns: 1fr; }
  .calc-service-pills { grid-template-columns: 1fr; }
  .calc-grid-2 { grid-template-columns: 1fr; }
  .form-row-2 { grid-template-columns: 1fr; }
  
  .floating-badge { display: none; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .floating-whatsapp-hub { bottom: 1.25rem; right: 1.25rem; }
  .wa-float-btn { width: 55px; height: 55px; font-size: 1.7rem; }
}