/* ==========================================================================
   DKB Dekembel - High-End Minimalist Architectural & Engineering Design System
   Refined Monochrome, Carbon, Platinum & Pure White Aesthetic
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  /* Minimalist Architectural Monochrome Palette */
  --primary-black: #090a0c;
  --primary-dark: #121316;
  --surface-dark: #18191d;
  --primary-white: #ffffff;
  
  --titanium-100: #f4f4f5;
  --titanium-200: #e4e4e7;
  --titanium-300: #d4d4d8;
  --titanium-400: #a1a1aa;
  --titanium-500: #71717a;
  --titanium-600: #52525b;
  --titanium-800: #27272a;
  --titanium-900: #18181b;

  --concrete-gray: #64748b;
  --light-gray: #f8fafc;
  --border-gray: #e2e8f0;
  --dark-border: rgba(255, 255, 255, 0.14);
  --grid-line: rgba(255, 255, 255, 0.04);

  /* Typography */
  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Elevation & Transitions */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 12px 30px -6px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.28);
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  font-family: var(--font-main);
  background-color: var(--primary-white);
  color: var(--primary-black);
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Utilities */
.container {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 32px;
}

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

a {
  color: inherit;
  text-decoration: none;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  color: var(--primary-black);
  letter-spacing: -0.02em;
}

.section-label {
  font-family: var(--font-main);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--titanium-500);
  margin-bottom: 16px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--primary-black);
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: var(--primary-black);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--titanium-500);
  max-width: 680px;
  line-height: 1.7;
}

.text-center {
  text-align: center;
}

.text-center .section-label {
  justify-content: center;
}

.text-center .section-label::after {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--primary-black);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px 36px;
  font-size: 0.825rem;
  font-weight: 700;
  letter-spacing: 1.8px;
  text-transform: uppercase;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.btn-primary {
  background: var(--primary-white);
  color: var(--primary-black);
  border-color: var(--primary-white);
}

.btn-primary:hover {
  background: transparent;
  color: var(--primary-white);
  border-color: var(--primary-white);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--primary-white);
  border-color: rgba(255, 255, 255, 0.35);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--primary-white);
  transform: translateY(-2px);
}

.btn-dark {
  background: var(--primary-black);
  color: var(--primary-white);
  border-color: var(--primary-black);
}

.btn-dark:hover {
  background: var(--titanium-800);
  transform: translateY(-2px);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(9, 10, 12, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition-smooth);
}

header.scrolled {
  background: rgba(9, 10, 12, 0.96);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  max-width: 1440px;
  margin: 0 auto;
}

/* Brand Logo (Clean & prominent floating text + subtle emblem, no bounding box) */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

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

.logo-main {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: 4px;
  line-height: 1;
  color: var(--primary-white);
}

.logo-sub {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 5px;
  color: var(--titanium-400);
  text-transform: uppercase;
  margin-top: 3px;
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-size: 0.825rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--titanium-300);
  position: relative;
  padding: 6px 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-white);
  transition: width var(--transition-smooth);
}

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

.nav-link:hover {
  color: var(--primary-white);
}

/* Header Right Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

/* Language Switcher */
.lang-switcher {
  display: flex;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 3px;
  padding: 2px;
}

.lang-btn {
  background: none;
  border: none;
  font-family: var(--font-main);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--titanium-400);
  padding: 6px 10px;
  border-radius: 2px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-btn.active {
  background: var(--primary-white);
  color: var(--primary-black);
}

.lang-btn:hover:not(.active) {
  color: var(--primary-white);
}

/* Admin Quick Link */
.admin-badge-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  color: var(--titanium-300);
  background: rgba(255, 255, 255, 0.06);
  padding: 7px 14px;
  border-radius: 3px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: all var(--transition-fast);
  cursor: pointer;
  text-transform: uppercase;
}

.admin-badge-btn:hover {
  background: var(--primary-white);
  color: var(--primary-black);
  border-color: var(--primary-white);
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary-white);
  margin: 5px 0;
  transition: all var(--transition-fast);
}

/* ==========================================================================
   Hero Section with Prominently Highlighted Floating Logo
   ========================================================================== */

.hero {
  position: relative;
  min-height: 100vh;
  padding-top: 120px;
  display: flex;
  align-items: center;
  background-color: var(--primary-black);
  color: var(--primary-white);
  overflow: hidden;
}

.hero-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

.hero-backdrop-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
  transform: scale(1.02);
  transition: opacity 0.5s ease-in-out;
  animation: subtleZoom 30s infinite alternate ease-in-out;
}

@keyframes subtleZoom {
  0% { transform: scale(1); }
  100% { transform: scale(1.06); }
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    180deg,
    rgba(9, 10, 12, 0.7) 0%,
    rgba(9, 10, 12, 0.4) 40%,
    rgba(9, 10, 12, 0.85) 85%,
    rgba(9, 10, 12, 1) 100%
  );
  z-index: 2;
}

.hero-grid-pattern {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 80px 80px;
  z-index: 3;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 4;
  max-width: 900px;
  padding: 40px 0 110px;
}

/* Prominently Highlighted Logo floating directly over the image */
.hero-brand-featured {
  display: inline-flex;
  flex-direction: column;
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.hero-brand-title {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 800;
  letter-spacing: 8px;
  line-height: 0.95;
  color: var(--primary-white);
  text-transform: uppercase;
}

.hero-brand-subtitle {
  font-family: var(--font-main);
  font-size: clamp(1rem, 2vw, 1.4rem);
  font-weight: 400;
  letter-spacing: 12px;
  color: var(--titanium-300);
  text-transform: uppercase;
  margin-top: 6px;
}

.hero-tagline-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--titanium-300);
  margin-bottom: 20px;
}

.hero-tagline-badge::before {
  content: '';
  width: 20px;
  height: 2px;
  background: var(--primary-white);
}

.hero-title {
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--primary-white);
  margin-bottom: 20px;
  max-width: 820px;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.3vw, 1.2rem);
  color: var(--titanium-300);
  font-weight: 300;
  line-height: 1.75;
  margin-bottom: 40px;
  max-width: 720px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

/* Minimalist Floating Stats Bar */
.hero-stats-wrapper {
  position: relative;
  z-index: 5;
  margin-top: -60px;
  padding-bottom: 60px;
}

.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  background: var(--primary-white);
  border-radius: 4px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--titanium-200);
  overflow: hidden;
}

.stat-box {
  padding: 36px 32px;
  border-right: 1px solid var(--titanium-200);
}

.stat-box:last-child {
  border-right: none;
}

.stat-number-wrap {
  display: flex;
  align-items: baseline;
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--primary-black);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label-text {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--titanium-500);
}

/* ==========================================================================
   About Section
   ========================================================================== */

.about-section {
  padding: 110px 0;
  background: var(--primary-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 80px;
}

.about-lead {
  font-size: 1.3rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--primary-black);
  border-left: 3px solid var(--primary-black);
  padding-left: 24px;
  margin-bottom: 24px;
}

.about-body p {
  font-size: 1.025rem;
  color: var(--titanium-600);
  margin-bottom: 20px;
  line-height: 1.8;
}

.about-visual {
  position: relative;
}

.about-visual-main {
  border-radius: 4px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.about-visual-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--primary-black);
  color: var(--primary-white);
  padding: 24px 32px;
  border-radius: 4px;
  box-shadow: var(--shadow-lg);
  border-left: 3px solid var(--primary-white);
  max-width: 260px;
}

.about-visual-badge strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 2.2rem;
  color: var(--primary-white);
  line-height: 1;
  margin-bottom: 6px;
}

.about-visual-badge span {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--titanium-400);
}

/* Mission, Vision, Values */
.mvv-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.mvv-card {
  background: var(--titanium-100);
  padding: 40px 32px;
  border-radius: 4px;
  border-top: 3px solid var(--titanium-800);
  transition: all var(--transition-smooth);
}

.mvv-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-top-color: var(--primary-black);
  background: var(--primary-white);
}

.mvv-icon-wrap {
  width: 52px;
  height: 52px;
  background: var(--primary-black);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-white);
  margin-bottom: 24px;
}

.mvv-card h3 {
  font-size: 1.2rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.mvv-card p {
  font-size: 0.95rem;
  color: var(--titanium-600);
  line-height: 1.7;
}

/* ==========================================================================
   Services Section
   ========================================================================== */

.services-section {
  padding: 110px 0;
  background: var(--titanium-100);
  position: relative;
}

.services-header {
  margin-bottom: 60px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.service-card {
  background: var(--primary-white);
  padding: 40px 32px;
  border-radius: 4px;
  border: 1px solid var(--titanium-200);
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0;
  background: var(--primary-black);
  transition: height var(--transition-smooth);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--titanium-400);
}

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

.service-icon {
  width: 50px;
  height: 50px;
  background: var(--titanium-100);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-black);
  margin-bottom: 24px;
}

.service-card h3 {
  font-size: 1.2rem;
  margin-bottom: 14px;
}

.service-card p {
  font-size: 0.925rem;
  color: var(--titanium-600);
  line-height: 1.7;
}

/* ==========================================================================
   Portfolio / Projects Section
   ========================================================================== */

.projects-section {
  padding: 120px 0;
  background: var(--primary-white);
}

.projects-filter-bar {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--titanium-100);
  border: 1px solid var(--titanium-200);
  padding: 10px 22px;
  font-family: var(--font-main);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--titanium-600);
  border-radius: 2px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn.active,
.filter-btn:hover {
  background: var(--primary-black);
  color: var(--primary-white);
  border-color: var(--primary-black);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.project-card {
  background: var(--primary-white);
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--titanium-200);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--titanium-400);
}

.project-img-wrapper {
  position: relative;
  height: 260px;
  overflow: hidden;
  background: var(--primary-dark);
}

.project-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .project-img-wrapper img {
  transform: scale(1.06);
}

.project-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--primary-black);
  color: var(--primary-white);
  padding: 5px 12px;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border-radius: 2px;
  z-index: 2;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.project-body {
  padding: 28px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.project-title {
  font-size: 1.25rem;
  margin-bottom: 12px;
  line-height: 1.3;
}

.project-desc {
  font-size: 0.9rem;
  color: var(--titanium-600);
  line-height: 1.6;
  margin-bottom: 20px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--titanium-200);
  font-size: 0.8rem;
  color: var(--titanium-500);
}

.project-location {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
}

.project-view-more {
  color: var(--primary-black);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ==========================================================================
   Clients & Partners Section
   ========================================================================== */

.clients-section {
  padding: 90px 0;
  background: var(--titanium-100);
  border-top: 1px solid var(--titanium-200);
  border-bottom: 1px solid var(--titanium-200);
}

.clients-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.client-card {
  background: var(--primary-white);
  padding: 24px 16px;
  border-radius: 4px;
  border: 1px solid var(--titanium-200);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 110px;
  transition: all var(--transition-fast);
}

.client-card:hover {
  border-color: var(--primary-black);
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}

.client-logo-text {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary-black);
  letter-spacing: 1px;
}

.client-name-sub {
  font-size: 0.7rem;
  color: var(--titanium-500);
  margin-top: 4px;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */

.contact-section {
  padding: 120px 0;
  background: var(--primary-black);
  color: var(--primary-white);
  position: relative;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 72px;
  align-items: start;
}

.contact-info .section-title {
  color: var(--primary-white);
}

.contact-info .section-label::before {
  background: var(--primary-white);
}

.contact-info-desc {
  font-size: 1.05rem;
  color: var(--titanium-400);
  line-height: 1.8;
  margin-bottom: 40px;
}

.contact-items-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-info-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.contact-icon-box {
  width: 48px;
  height: 48px;
  background: var(--titanium-900);
  border: 1px solid var(--dark-border);
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-white);
  flex-shrink: 0;
}

.contact-info-content h4 {
  font-size: 0.78rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--titanium-400);
  margin-bottom: 4px;
}

.contact-info-content p,
.contact-info-content a {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--primary-white);
  transition: color var(--transition-fast);
}

.contact-info-content a:hover {
  color: var(--titanium-300);
  text-decoration: underline;
}

/* Contact Form Box */
.contact-form-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--dark-border);
  border-radius: 4px;
  padding: 48px;
  backdrop-filter: blur(12px);
}

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

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--titanium-300);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 2px;
  padding: 14px 18px;
  font-family: var(--font-main);
  font-size: 0.95rem;
  color: var(--primary-white);
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-white);
  background: rgba(255, 255, 255, 0.08);
}

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

.form-status {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: 2px;
  font-size: 0.9rem;
  display: none;
}

.form-status.success {
  display: block;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--primary-white);
  color: var(--primary-white);
}

.form-status.error {
  display: block;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #f87171;
}

/* ==========================================================================
   Newsletter Section
   ========================================================================== */

.newsletter-bar {
  background: var(--surface-dark);
  padding: 60px 0;
  color: var(--primary-white);
  border-top: 1px solid var(--dark-border);
}

.newsletter-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.newsletter-text h3 {
  font-size: 1.8rem;
  color: var(--primary-white);
  margin-bottom: 8px;
}

.newsletter-text p {
  color: var(--titanium-400);
  font-size: 0.95rem;
}

.newsletter-form {
  display: flex;
  gap: 12px;
  min-width: 440px;
}

.newsletter-input {
  flex-grow: 1;
  padding: 14px 20px;
  border-radius: 2px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.06);
  color: var(--primary-white);
  font-family: var(--font-main);
  font-size: 0.95rem;
}

.newsletter-input:focus {
  outline: none;
  border-color: var(--primary-white);
}

/* ==========================================================================
   Footer
   ========================================================================== */

footer {
  background: var(--primary-black);
  color: var(--titanium-400);
  padding: 80px 0 30px;
  border-top: 1px solid var(--dark-border);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 60px;
  margin-bottom: 60px;
}

.footer-brand .logo-main {
  color: var(--primary-white);
}

.footer-desc {
  margin-top: 20px;
  font-size: 0.925rem;
  line-height: 1.8;
  color: var(--titanium-400);
}

.footer-col h4 {
  font-size: 0.825rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary-white);
  margin-bottom: 24px;
}

.footer-links {
  list-style: none;
}

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

.footer-links a {
  color: var(--titanium-400);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--primary-white);
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid var(--dark-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.social-icon-link {
  width: 38px;
  height: 38px;
  border-radius: 2px;
  border: 1px solid var(--dark-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-white);
  transition: all var(--transition-fast);
}

.social-icon-link:hover {
  background: var(--primary-white);
  color: var(--primary-black);
  border-color: var(--primary-white);
}

/* ==========================================================================
   Modals (Project Details)
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(9, 10, 12, 0.85);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-smooth);
}

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

.modal-container {
  background: var(--primary-white);
  border-radius: 4px;
  max-width: 800px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95);
  transition: transform var(--transition-smooth);
}

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

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: var(--primary-black);
  color: var(--primary-white);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: opacity var(--transition-fast);
}

.modal-close-btn:hover {
  opacity: 0.8;
}

.modal-img-wrap {
  width: 100%;
  height: 380px;
  background: var(--primary-dark);
}

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

.modal-content-inner {
  padding: 36px 40px;
}

.modal-tag {
  display: inline-block;
  background: var(--primary-black);
  color: var(--primary-white);
  padding: 4px 12px;
  font-size: 0.725rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border-radius: 2px;
  margin-bottom: 12px;
}

.modal-title {
  font-size: 1.8rem;
  margin-bottom: 16px;
}

.modal-specs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  background: var(--titanium-100);
  padding: 20px;
  border-radius: 4px;
  margin: 24px 0;
}

.modal-spec-item strong {
  display: block;
  font-size: 0.725rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--titanium-500);
  margin-bottom: 4px;
}

.modal-spec-item span {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--primary-black);
}

.modal-desc {
  font-size: 1rem;
  color: var(--titanium-600);
  line-height: 1.8;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 1100px) {
  .hero-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-grid {
    grid-template-columns: 1fr;
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .clients-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 820px) {
  .nav-menu {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--primary-black);
    flex-direction: column;
    padding: 30px;
    gap: 20px;
    border-bottom: 1px solid var(--dark-border);
    box-shadow: var(--shadow-md);
    display: none;
  }

  .nav-menu.open {
    display: flex;
  }

  .mobile-toggle {
    display: block;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .mvv-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

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

  .newsletter-grid {
    flex-direction: column;
    align-items: flex-start;
  }

  .newsletter-form {
    min-width: 100%;
    flex-direction: column;
  }

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

  .hero-stats-grid {
    grid-template-columns: 1fr;
  }
  
  .stat-box {
    border-right: none;
    border-bottom: 1px solid var(--titanium-200);
  }
}