/* ==========================================================================
   MS JOYNAL ABEDIN ENTERPRISE - Official Stylesheet
   Modern, Ultra-responsive & High-End Design System
   ========================================================================== */

:root {
  /* Color Palette */
  --primary-navy: #071326;
  --navy-dark: #0a192f;
  --navy-surface: #0f2342;
  --navy-light: #183153;
  --navy-border: rgba(255, 255, 255, 0.12);

  --accent-gold: #f59e0b;
  --accent-gold-hover: #d97706;
  --accent-gold-light: #fef3c7;
  --accent-gold-glow: rgba(245, 158, 11, 0.25);

  --accent-cyan: #06b6d4;
  --accent-green: #10b981;
  --accent-red: #ef4444;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-light: #f8fafc;
  --text-light-muted: #cbd5e1;

  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --bg-subtle: #f1f5f9;
  --bg-dark: #071326;

  /* Elevation & Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 25px -5px rgba(11, 25, 44, 0.12), 0 8px 10px -6px rgba(11, 25, 44, 0.05);
  --shadow-xl: 0 20px 35px -5px rgba(11, 25, 44, 0.18), 0 10px 15px -5px rgba(11, 25, 44, 0.08);
  --shadow-glow: 0 0 25px rgba(245, 158, 11, 0.35);

  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.4);
  --glass-blur: blur(14px);
  --glass-dark-bg: rgba(15, 35, 66, 0.75);
  --glass-dark-border: rgba(255, 255, 255, 0.1);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 30px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Fonts */
  --font-bangla: 'Hind Siliguri', 'Tiro Bangla', sans-serif;
  --font-en: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-bangla);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  font-size: 16px;
}

/* English mode font override */
body.lang-en {
  font-family: var(--font-en);
}

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

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

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

button {
  cursor: pointer;
  border: none;
  background: none;
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* ==========================================================================
   TOP BAR (Ticker & Quick Contact)
   ========================================================================== */
.top-bar {
  background: #040c1a;
  color: var(--text-light-muted);
  font-size: 13.5px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  z-index: 101;
}

.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  flex-wrap: wrap;
  gap: 12px;
}

.top-bar-info {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}

.top-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

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

.top-bar-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.lang-btn {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 12.5px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-fast);
  font-weight: 600;
}

.lang-btn:hover {
  background: var(--accent-gold);
  color: var(--navy-dark);
  border-color: var(--accent-gold);
}

.top-social-links {
  display: flex;
  align-items: center;
  gap: 10px;
}

.social-icon-sm {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light-muted);
  transition: var(--transition-fast);
}

.social-icon-sm:hover {
  background: var(--accent-gold);
  color: var(--navy-dark);
  transform: translateY(-2px);
}

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 19, 38, 0.94);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: var(--transition-normal);
}

.site-header.scrolled {
  background: rgba(4, 12, 26, 0.98);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

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

/* Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-symbol {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #f59e0b 0%, #b45309 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 22px;
  font-weight: 800;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
  position: relative;
  overflow: hidden;
  border: 1.5px solid rgba(255, 255, 255, 0.3);
}

.brand-symbol::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent 40%, rgba(255, 255, 255, 0.4) 50%, transparent 60%);
  animation: shine 4s infinite linear;
}

@keyframes shine {
  0% { transform: translate(-100%, -100%) rotate(45deg); }
  20%, 100% { transform: translate(100%, 100%) rotate(45deg); }
}

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

.brand-name {
  color: #ffffff;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.2px;
  line-height: 1.2;
}

.brand-tagline {
  color: var(--accent-gold);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-link {
  color: #cbd5e1;
  font-weight: 600;
  font-size: 15px;
  padding: 8px 4px;
  position: relative;
  transition: var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2.5px;
  background: var(--accent-gold);
  transition: var(--transition-fast);
  border-radius: var(--radius-full);
}

.nav-link:hover,
.nav-link.active {
  color: #ffffff;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.btn-primary {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  color: #071326;
  font-weight: 700;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35);
  transition: var(--transition-normal);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.5);
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  color: #040c1a;
}

.btn-outline {
  background: transparent;
  color: #ffffff;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  transition: var(--transition-normal);
  backdrop-filter: blur(8px);
}

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

.btn-whatsapp {
  background: #25d366;
  color: #ffffff;
  font-weight: 700;
  padding: 12px 22px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
  transition: var(--transition-normal);
}

.btn-whatsapp:hover {
  background: #20bd5a;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

/* Mobile Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 32px;
  height: 22px;
  background: transparent;
}

.mobile-menu-toggle span {
  display: block;
  height: 3px;
  width: 100%;
  background: #ffffff;
  border-radius: 3px;
  transition: var(--transition-fast);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: calc(100vh - 120px);
  display: flex;
  align-items: center;
  padding: 90px 0 110px;
  background: var(--navy-dark);
  color: #ffffff;
  overflow: hidden;
}

.hero-bg-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('assets/images/hero-bg.jpg');
  background-size: cover;
  background-position: center 30%;
  opacity: 0.32;
  filter: saturate(1.1);
  transform: scale(1.02);
  transition: transform 12s ease-out;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(7, 19, 38, 0.94) 0%,
    rgba(7, 19, 38, 0.82) 45%,
    rgba(15, 35, 66, 0.88) 100%
  );
}

.hero-glow-blob {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  top: 10%;
  right: -5%;
  pointer-events: none;
  filter: blur(40px);
}

.hero-glow-blob-2 {
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  bottom: 0%;
  left: -5%;
  pointer-events: none;
  filter: blur(40px);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.4);
  color: var(--accent-gold);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 14.5px;
  font-weight: 700;
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}

.hero-badge .pulse-dot {
  width: 9px;
  height: 9px;
  background: var(--accent-gold);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-gold);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.3); }
}

.hero-title {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 22px;
  letter-spacing: -0.5px;
}

.hero-title .highlight {
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-subtitle {
  font-size: 18px;
  color: #cbd5e1;
  margin-bottom: 38px;
  line-height: 1.7;
  max-width: 720px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 50px;
}

/* Quick Metrics Bar */
.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  padding-top: 35px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.stat-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 18px 20px;
  border-radius: var(--radius-md);
  backdrop-filter: blur(6px);
  transition: var(--transition-normal);
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(245, 158, 11, 0.4);
  transform: translateY(-3px);
}

.stat-number {
  font-size: 32px;
  font-weight: 800;
  color: var(--accent-gold);
  line-height: 1.1;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 13.5px;
  color: #94a3b8;
  font-weight: 600;
}

/* ==========================================================================
   TRUST BADGES / CERTIFIED BAR
   ========================================================================== */
.trust-strip {
  background: #ffffff;
  border-bottom: 1px solid #e2e8f0;
  padding: 24px 0;
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 10;
}

.trust-strip-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 14px;
}

.trust-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--accent-gold-light);
  color: var(--accent-gold-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.trust-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.trust-desc {
  font-size: 13px;
  color: var(--text-muted);
}

/* ==========================================================================
   SECTION COMMON STYLES
   ========================================================================== */
.section-padding {
  padding: 100px 0;
}

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

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 60px;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-gold-light);
  color: var(--accent-gold-hover);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 13.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 14px;
}

.section-title {
  font-size: 38px;
  font-weight: 800;
  color: var(--navy-dark);
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: -0.3px;
}

.section-desc {
  font-size: 16.5px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ==========================================================================
   ABOUT COMPANY SECTION
   ========================================================================== */
.about-section {
  background: #ffffff;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-main-img-box {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  position: relative;
}

.about-main-img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.about-main-img-box:hover .about-main-img {
  transform: scale(1.03);
}

.about-floating-card {
  position: absolute;
  bottom: -25px;
  right: -25px;
  background: var(--navy-dark);
  color: #fff;
  padding: 24px 28px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--navy-border);
  max-width: 270px;
}

.floating-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-gold);
  color: var(--navy-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 12px;
}

.floating-num {
  font-size: 26px;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
}

.floating-text {
  font-size: 13.5px;
  color: #cbd5e1;
  margin-top: 4px;
}

.about-info .section-tag {
  margin-bottom: 12px;
}

.about-info .section-title {
  text-align: left;
  margin-bottom: 20px;
}

.about-text {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 28px;
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 35px;
}

.highlight-box {
  background: var(--bg-subtle);
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--accent-gold);
}

.highlight-box h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--navy-dark);
  margin-bottom: 4px;
}

.highlight-box p {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.5;
}

.gov-reg-badges {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 20px;
  border-top: 1px solid #e2e8f0;
}

.gov-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #f8fafc;
  border: 1px dashed #cbd5e1;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  color: var(--navy-dark);
  font-weight: 600;
}

.gov-badge svg {
  color: var(--accent-green);
}

/* ==========================================================================
   SERVICES SECTION
   ========================================================================== */
.services-section {
  background: var(--bg-subtle);
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 34px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid #e2e8f0;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--accent-gold), #f59e0b);
  opacity: 0;
  transition: var(--transition-normal);
}

.service-card:hover {
  transform: translateY(-7px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(245, 158, 11, 0.3);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon-box {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.12), rgba(245, 158, 11, 0.04));
  color: var(--accent-gold-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 22px;
  border: 1px solid rgba(245, 158, 11, 0.2);
  transition: var(--transition-fast);
}

.service-card:hover .service-icon-box {
  background: var(--accent-gold);
  color: var(--navy-dark);
  transform: rotate(-5deg) scale(1.05);
}

.service-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--navy-dark);
  margin-bottom: 12px;
  line-height: 1.4;
}

.service-description {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 20px;
  flex-grow: 1;
}

.service-feature-list {
  margin-bottom: 22px;
  padding-top: 14px;
  border-top: 1px solid #f1f5f9;
}

.service-feature-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.service-feature-item svg {
  color: var(--accent-green);
  flex-shrink: 0;
}

.service-card-action {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--accent-gold-hover);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-fast);
}

.service-card:hover .service-card-action {
  gap: 10px;
  color: var(--navy-dark);
}

/* ==========================================================================
   MATERIALS & SUPPLIES SHOWCASE
   ========================================================================== */
.materials-section {
  background: #ffffff;
}

.materials-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 60px;
}

.materials-img-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.materials-img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.materials-overlay-tag {
  position: absolute;
  top: 20px;
  left: 20px;
  background: rgba(7, 19, 38, 0.85);
  color: #ffffff;
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 13.5px;
  font-weight: 600;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.materials-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.product-card {
  background: var(--bg-subtle);
  border-radius: var(--radius-md);
  padding: 22px 18px;
  border: 1px solid #e2e8f0;
  transition: var(--transition-fast);
  text-align: center;
}

.product-card:hover {
  background: #ffffff;
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-gold);
}

.product-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-gold-hover);
  box-shadow: var(--shadow-sm);
  font-size: 22px;
}

.product-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy-dark);
  margin-bottom: 6px;
}

.product-brands {
  font-size: 12.5px;
  color: var(--text-muted);
  line-height: 1.4;
  margin-bottom: 12px;
}

.product-badge {
  display: inline-block;
  background: rgba(16, 185, 129, 0.12);
  color: var(--accent-green);
  font-size: 11.5px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

/* ==========================================================================
   PROJECTS PORTFOLIO
   ========================================================================== */
.projects-section {
  background: var(--navy-dark);
  color: #ffffff;
  position: relative;
}

.projects-section .section-title {
  color: #ffffff;
}

.projects-section .section-desc {
  color: #94a3b8;
}

.project-filters {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.08);
  color: #cbd5e1;
  padding: 8px 22px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 14.5px;
  transition: var(--transition-fast);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

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

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.project-card {
  background: var(--navy-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--navy-border);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(245, 158, 11, 0.4);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
}

.project-thumb {
  height: 220px;
  position: relative;
  overflow: hidden;
  background: #000;
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
  opacity: 0.88;
}

.project-card:hover .project-thumb img {
  transform: scale(1.08);
  opacity: 1;
}

.project-status-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
  backdrop-filter: blur(8px);
}

.status-completed {
  background: rgba(16, 185, 129, 0.9);
  color: #ffffff;
}

.status-ongoing {
  background: rgba(245, 158, 11, 0.9);
  color: var(--navy-dark);
}

.project-content {
  padding: 24px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.project-category {
  color: var(--accent-gold);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  text-transform: uppercase;
}

.project-title {
  font-size: 19px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 10px;
  line-height: 1.35;
}

.project-desc {
  font-size: 14px;
  color: #94a3b8;
  line-height: 1.6;
  margin-bottom: 18px;
  flex-grow: 1;
}

.project-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: #cbd5e1;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* ==========================================================================
   WHY CHOOSE US
   ========================================================================== */
.why-section {
  background: #ffffff;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-card {
  background: var(--bg-main);
  border-radius: var(--radius-md);
  padding: 30px 22px;
  border: 1px solid #e2e8f0;
  transition: var(--transition-fast);
  text-align: center;
}

.why-card:hover {
  background: #ffffff;
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent-gold);
}

.why-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--accent-gold-light);
  color: var(--accent-gold-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin: 0 auto 18px;
}

.why-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy-dark);
  margin-bottom: 10px;
}

.why-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   PROJECT ESTIMATOR / QUOTE CALCULATOR
   ========================================================================== */
.estimator-section {
  background: linear-gradient(135deg, #071326 0%, #0d213f 100%);
  color: #ffffff;
  position: relative;
  overflow: hidden;
}

.estimator-box {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 44px;
  backdrop-filter: blur(12px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.estimator-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

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

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: #cbd5e1;
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: #ffffff;
  outline: none;
  transition: var(--transition-fast);
}

.form-control:focus {
  border-color: var(--accent-gold);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
}

.form-control option {
  background: var(--navy-dark);
  color: #ffffff;
}

.estimate-result-card {
  background: rgba(15, 35, 66, 0.7);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-md);
  padding: 30px;
  text-align: center;
}

.estimate-result-badge {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-gold);
  display: inline-block;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 14px;
}

.estimate-price-range {
  font-size: 34px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 10px;
}

.estimate-notes {
  font-size: 13.5px;
  color: #94a3b8;
  margin-bottom: 24px;
  line-height: 1.5;
}

/* ==========================================================================
   TESTIMONIALS SECTION
   ========================================================================== */
.testimonials-section {
  background: var(--bg-subtle);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  box-shadow: var(--shadow-sm);
  border: 1px solid #e2e8f0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-fast);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.testimonial-stars {
  color: var(--accent-gold);
  font-size: 18px;
  margin-bottom: 14px;
}

.testimonial-text {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 22px;
  font-style: italic;
}

.client-meta {
  display: flex;
  align-items: center;
  gap: 14px;
}

.client-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--navy-dark);
  color: var(--accent-gold);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  border: 2px solid var(--accent-gold);
}

.client-info h5 {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--navy-dark);
  margin-bottom: 2px;
}

.client-info span {
  font-size: 12.5px;
  color: var(--text-muted);
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-section {
  background: #ffffff;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 40px;
}

.contact-info-panel {
  background: var(--navy-dark);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-info-panel h3 {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 12px;
  color: #ffffff;
}

.contact-info-panel p {
  color: #cbd5e1;
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 30px;
}

.contact-detail-items {
  display: flex;
  flex-direction: column;
  gap: 22px;
  margin-bottom: 35px;
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.detail-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.detail-content h5 {
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 4px;
}

.detail-content p, .detail-content a {
  font-size: 14px;
  color: #94a3b8;
  line-height: 1.5;
}

.detail-content a:hover {
  color: var(--accent-gold);
}

.contact-form-panel {
  background: var(--bg-main);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid #e2e8f0;
  box-shadow: var(--shadow-sm);
}

.contact-form-panel h3 {
  font-size: 24px;
  font-weight: 800;
  color: var(--navy-dark);
  margin-bottom: 8px;
}

.contact-form-panel p {
  font-size: 14.5px;
  color: var(--text-muted);
  margin-bottom: 26px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-bottom: 18px;
}

.light-input {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  color: var(--text-primary);
}

.light-input:focus {
  border-color: var(--navy-dark);
  box-shadow: 0 0 0 3px rgba(7, 19, 38, 0.1);
  background: #ffffff;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: #040c1a;
  color: #cbd5e1;
  padding: 80px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-col-desc {
  font-size: 14.5px;
  line-height: 1.7;
  color: #94a3b8;
  margin: 18px 0 24px;
}

.footer-col-title {
  color: #ffffff;
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 22px;
  position: relative;
  padding-bottom: 8px;
}

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

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: #94a3b8;
  font-size: 14.5px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-fast);
}

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

.footer-newsletter p {
  font-size: 14px;
  color: #94a3b8;
  margin-bottom: 14px;
  line-height: 1.5;
}

.newsletter-form {
  display: flex;
  gap: 8px;
}

.newsletter-input {
  flex-grow: 1;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  color: #ffffff;
  font-size: 13.5px;
  outline: none;
}

.newsletter-btn {
  background: var(--accent-gold);
  color: var(--navy-dark);
  font-weight: 700;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.newsletter-btn:hover {
  background: #fbbf24;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 13.5px;
  color: #64748b;
  flex-wrap: wrap;
  gap: 16px;
}

/* ==========================================================================
   FLOATING BUTTONS & TOAST
   ========================================================================== */
.floating-whatsapp {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 60px;
  height: 60px;
  background: #25d366;
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  box-shadow: 0 6px 25px rgba(37, 211, 102, 0.5);
  z-index: 99;
  transition: var(--transition-normal);
  animation: floatBounce 3s ease-in-out infinite;
}

.floating-whatsapp:hover {
  transform: scale(1.1);
  background: #20bd5a;
}

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

.back-to-top {
  position: fixed;
  bottom: 100px;
  right: 32px;
  width: 44px;
  height: 44px;
  background: var(--navy-dark);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-fast);
  z-index: 98;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--accent-gold);
  color: var(--navy-dark);
}

/* Toast Notification */
.toast-notice {
  position: fixed;
  top: 24px;
  right: 24px;
  background: #0f172a;
  color: #ffffff;
  padding: 16px 22px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 999;
  transform: translateX(120%);
  transition: transform var(--transition-normal);
  border-left: 5px solid var(--accent-green);
}

.toast-notice.show {
  transform: translateX(0);
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-fast);
}

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

.modal-container {
  background: #ffffff;
  border-radius: var(--radius-lg);
  max-width: 600px;
  width: 100%;
  padding: 36px;
  position: relative;
  box-shadow: var(--shadow-xl);
  transform: scale(0.92);
  transition: var(--transition-fast);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-overlay.active .modal-container {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 24px;
  color: var(--text-muted);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.modal-close-btn:hover {
  background: #f1f5f9;
  color: var(--accent-red);
}

/* ==========================================================================
   RESPONSIVE DESIGN (Media Queries)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 38px;
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .why-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .materials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .hero-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .top-bar {
    display: none;
  }
  .nav-inner {
    height: 70px;
  }
  .mobile-menu-toggle {
    display: flex;
  }
  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: var(--navy-dark);
    flex-direction: column;
    padding: 30px 20px;
    gap: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    transform: translateY(-150%);
    transition: transform var(--transition-normal);
  }
  .nav-menu.open {
    transform: translateY(0);
  }
  .nav-actions .btn-primary {
    display: none;
  }
  .hero-section {
    padding: 50px 0 80px;
  }
  .hero-title {
    font-size: 30px;
  }
  .hero-subtitle {
    font-size: 15.5px;
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .about-floating-card {
    position: static;
    margin-top: 15px;
    max-width: 100%;
  }
  .materials-layout {
    grid-template-columns: 1fr;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .projects-grid {
    grid-template-columns: 1fr;
  }
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  .estimator-grid {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
}