:root {
  --bg-pitch: #05070c;
  --bg-main: #080c14;
  --bg-surface: #0e1422;
  --bg-card: #131a2c;
  --bg-card-hover: #19233b;
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-glow: rgba(56, 189, 248, 0.3);
  --border-accent: rgba(0, 240, 255, 0.4);
  --primary: #38bdf8;
  --primary-neon: #00f0ff;
  --primary-dark: #0284c7;
  --primary-glow: rgba(56, 189, 248, 0.18);
  --accent-amber: #f59e0b;
  --accent-amber-glow: rgba(245, 158, 11, 0.2);
  --accent-emerald: #10b981;
  --accent-emerald-glow: rgba(16, 185, 129, 0.2);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 26px;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-card: 0 14px 40px -10px rgba(0, 0, 0, 0.65);
  --shadow-neon: 0 0 25px rgba(0, 240, 255, 0.22);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-pitch);
  color: var(--text-main);
}

body {
  font-family: var(--font-sans);
  line-height: 1.65;
  background: radial-gradient(circle at 50% -20%, #111a30 0%, var(--bg-pitch) 70%);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

main {
  flex: 1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.25;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); letter-spacing: -0.03em; font-weight: 800; }
h2 { font-size: clamp(1.75rem, 3.2vw, 2.5rem); letter-spacing: -0.02em; font-weight: 800; }
h3 { font-size: 1.35rem; font-weight: 700; letter-spacing: -0.01em; }
h4 { font-size: 1.1rem; font-weight: 600; }

p {
  color: var(--text-muted);
  margin-bottom: 1.15rem;
}

p:last-child {
  margin-bottom: 0;
}

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

a:hover {
  color: var(--primary-neon);
}

/* Container */
.container {
  width: 100%;
  max-width: 1260px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow {
  max-width: 920px;
}

/* Top Notification / Bar */
.top-bar {
  background: rgba(5, 7, 12, 0.95);
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.825rem;
  padding: 0.55rem 0;
  color: var(--text-muted);
  position: relative;
  z-index: 1010;
}

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

.top-bar-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--text-muted);
}

.top-bar-item svg {
  width: 15px;
  height: 15px;
  color: var(--primary);
}

/* Site Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(8, 12, 20, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

.brand-symbol {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary-neon), #0284c7);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #05070c;
  font-weight: 900;
  font-size: 1.35rem;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.35);
  transition: var(--transition);
}

.brand-logo:hover .brand-symbol {
  transform: rotate(-5deg) scale(1.05);
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.5);
}

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

.brand-name {
  font-size: 1.22rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: #fff;
  line-height: 1.1;
}

.brand-sub {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--primary-neon);
  font-weight: 600;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
  padding: 0.4rem 0;
  position: relative;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--primary-neon);
  box-shadow: 0 0 8px var(--primary-neon);
  border-radius: 2px;
}

.nav-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  background: linear-gradient(135deg, #0284c7, #0369a1);
  color: #ffffff;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 600;
  border: 1px solid rgba(56, 189, 248, 0.4);
  box-shadow: 0 4px 15px rgba(2, 132, 199, 0.3);
  transition: var(--transition);
}

.nav-cta-btn:hover {
  background: linear-gradient(135deg, var(--primary-neon), #0284c7);
  color: #05070c;
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.5);
  transform: translateY(-2px);
}

.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.mobile-menu-toggle:hover {
  border-color: var(--primary);
  color: var(--primary-neon);
}

.mobile-menu-toggle svg {
  width: 24px;
  height: 24px;
}

/* Mobile Drawer */
.mobile-drawer {
  display: none;
  position: fixed;
  top: 80px;
  left: 0;
  width: 100%;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-glow);
  padding: 1.75rem;
  z-index: 999;
  box-shadow: 0 20px 40px rgba(0,0,0,0.8);
}

.mobile-drawer.open {
  display: block;
}

.mobile-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.mobile-nav-link {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-muted);
  display: block;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.mobile-nav-link.active, .mobile-nav-link:hover {
  color: var(--primary-neon);
  padding-left: 6px;
}

/* Sections */
.section {
  padding: 5.5rem 0;
  position: relative;
}

.section-sm {
  padding: 3.5rem 0;
}

.section-darker {
  background: #060910;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3.75rem auto;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 1rem;
  border-radius: 9999px;
  background: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: var(--primary-neon);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.15rem;
}

.section-title {
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
}

/* Hero Section */
.hero {
  padding: 5.5rem 0 5rem 0;
  background: 
    radial-gradient(circle at 50% 5%, rgba(0, 240, 255, 0.1) 0%, transparent 55%),
    linear-gradient(180deg, rgba(8, 12, 20, 0.6) 0%, var(--bg-pitch) 100%);
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 1.05rem;
  border-radius: 9999px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: var(--accent-emerald);
  font-size: 0.84rem;
  font-weight: 600;
  margin-bottom: 1.6rem;
}

.hero-badge .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
}

.hero-title {
  margin-bottom: 1.5rem;
}

.hero-title span {
  background: linear-gradient(135deg, #00f0ff 0%, #38bdf8 50%, #0284c7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  font-size: 1.18rem;
  line-height: 1.75;
  color: var(--text-muted);
  margin-bottom: 2.25rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.15rem;
  margin-bottom: 2.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.9rem 1.75rem;
  border-radius: var(--radius-md);
  font-size: 0.96rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  user-select: none;
}

.btn-primary {
  background: linear-gradient(135deg, #0284c7, #0369a1);
  color: #fff;
  border-color: rgba(56, 189, 248, 0.4);
  box-shadow: 0 4px 16px rgba(2, 132, 199, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-neon), #0284c7);
  box-shadow: var(--shadow-neon);
  transform: translateY(-2px);
  color: #05070c;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-main);
  border-color: var(--border-subtle);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  color: #fff;
  transform: translateY(-2px);
}

.btn-amber {
  background: linear-gradient(135deg, #d97706, #b45309);
  color: #fff;
  border-color: rgba(245, 158, 11, 0.45);
}

.btn-amber:hover {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  box-shadow: 0 0 25px rgba(245, 158, 11, 0.35);
  color: #fff;
  transform: translateY(-2px);
}

.hero-trust-row {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.hero-trust-item svg {
  color: var(--primary-neon);
  width: 17px;
  height: 17px;
}

/* Hero Right Visual Box */
.hero-visual-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(16px);
}

.hero-visual-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-neon), var(--accent-amber), var(--accent-emerald));
}

.blueprint-grid {
  background-image: 
    linear-gradient(rgba(56, 189, 248, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 189, 248, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
  border-radius: var(--radius-md);
  padding: 1.5rem;
  border: 1px dashed rgba(56, 189, 248, 0.25);
  margin-bottom: 1.25rem;
  background-color: rgba(9, 13, 22, 0.7);
}

.spec-line {
  display: flex;
  justify-content: space-between;
  padding: 0.55rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.88rem;
}

.spec-line:last-child {
  border-bottom: none;
}

.spec-label {
  color: var(--text-muted);
}

.spec-val {
  color: #fff;
  font-weight: 600;
}

/* Stats Counter Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  opacity: 0;
  transition: var(--transition);
}

.stat-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.stat-card:hover::after {
  opacity: 1;
}

.stat-number {
  font-size: 2.75rem;
  font-weight: 900;
  color: var(--primary-neon);
  line-height: 1;
  margin-bottom: 0.6rem;
  letter-spacing: -0.02em;
}

.stat-label {
  font-size: 0.92rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Interactive Calculator Container */
.calculator-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.75rem;
  box-shadow: var(--shadow-card);
  position: relative;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr;
  gap: 3rem;
}

.calc-group {
  margin-bottom: 2rem;
}

.calc-label {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.85rem;
}

.calc-options-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
}

.calc-option-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.calc-option-btn:hover {
  border-color: var(--border-glow);
  color: #fff;
}

.calc-option-btn.active {
  background: rgba(0, 240, 255, 0.1);
  border-color: var(--primary-neon);
  color: var(--primary-neon);
  font-weight: 700;
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.range-slider-wrap {
  position: relative;
  margin-top: 0.75rem;
}

.range-slider {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: #1a233a;
  outline: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary-neon);
  cursor: pointer;
  box-shadow: 0 0 15px var(--primary-neon);
  transition: transform 0.2s;
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.range-values {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-top: 0.5rem;
}

.calc-result-panel {
  background: #070a12;
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 0 35px rgba(0, 240, 255, 0.1);
}

.calc-result-header {
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--primary-neon);
  font-weight: 800;
  margin-bottom: 0.6rem;
}

.calc-price-display {
  font-size: 2.5rem;
  font-weight: 900;
  color: #fff;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.calc-price-display small {
  font-size: 0.92rem;
  color: var(--text-muted);
  font-weight: normal;
}

.calc-summary-list {
  list-style: none;
  margin-bottom: 1.75rem;
}

.calc-summary-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.calc-summary-item:last-child {
  border-bottom: none;
}

/* Service Cards */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-5px);
  box-shadow: var(--shadow-card);
}

.service-icon-wrap {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-neon);
  margin-bottom: 1.6rem;
}

.service-icon-wrap svg {
  width: 28px;
  height: 28px;
}

.service-title {
  margin-bottom: 0.85rem;
}

.service-desc {
  font-size: 0.96rem;
  color: var(--text-muted);
  margin-bottom: 1.6rem;
  flex: 1;
}

.service-checklist {
  list-style: none;
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 1.75rem;
}

.service-checklist li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.service-checklist li svg {
  color: var(--accent-emerald);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Tabs */
.tabs-nav {
  display: flex;
  justify-content: center;
  gap: 0.85rem;
  flex-wrap: wrap;
  margin-bottom: 2.75rem;
}

.tab-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  padding: 0.75rem 1.5rem;
  border-radius: 9999px;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn:hover {
  border-color: var(--border-glow);
  color: #fff;
}

.tab-btn.active {
  background: linear-gradient(135deg, var(--primary-neon), #0284c7);
  border-color: var(--primary-neon);
  color: #05070c;
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
  font-weight: 700;
}

/* Portfolio Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  cursor: pointer;
}

.project-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-5px);
  box-shadow: var(--shadow-card);
}

.project-card-image {
  height: 210px;
  background: #111728;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: radial-gradient(circle at 50% 50%, rgba(56, 189, 248, 0.12) 0%, transparent 70%);
}

.project-card-image svg {
  width: 70px;
  height: 70px;
  color: rgba(56, 189, 248, 0.45);
}

.project-tag {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(7, 10, 18, 0.88);
  border: 1px solid var(--border-subtle);
  color: var(--primary-neon);
  font-size: 0.76rem;
  font-weight: 700;
  padding: 0.3rem 0.75rem;
  border-radius: 9999px;
  backdrop-filter: blur(8px);
}

.project-card-body {
  padding: 1.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.project-location {
  font-size: 0.82rem;
  color: var(--accent-amber);
  margin-bottom: 0.45rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.project-title {
  font-size: 1.2rem;
  margin-bottom: 0.65rem;
}

.project-snippet {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 1.35rem;
  flex: 1;
}

.project-meta-row {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  padding-top: 0.85rem;
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* Interactive Feasibility Quiz */
.quiz-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.75rem;
  max-width: 840px;
  margin: 0 auto;
}

.quiz-step {
  display: none;
}

.quiz-step.active {
  display: block;
}

.quiz-progress-bar {
  width: 100%;
  height: 7px;
  background: #1a233a;
  border-radius: 4px;
  margin-bottom: 2.25rem;
  overflow: hidden;
}

.quiz-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary-neon), var(--accent-emerald));
  width: 33%;
  transition: width 0.35s ease;
}

.quiz-question-title {
  font-size: 1.4rem;
  margin-bottom: 1.6rem;
}

.quiz-answers-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.95rem;
  margin-bottom: 2.25rem;
}

.quiz-answer-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.4rem;
  color: var(--text-main);
  text-align: left;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.95rem;
}

.quiz-answer-btn:hover {
  border-color: var(--primary-neon);
  background: rgba(0, 240, 255, 0.06);
}

.quiz-answer-btn.selected {
  border-color: var(--primary-neon);
  background: rgba(0, 240, 255, 0.12);
  font-weight: 700;
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

/* FAQ Accordion */
.faq-grid {
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

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

.faq-item.open {
  border-color: var(--border-glow);
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.1);
}

.faq-header {
  padding: 1.4rem 1.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.faq-question {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}

.faq-icon {
  width: 22px;
  height: 22px;
  color: var(--primary-neon);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

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

.faq-body {
  display: none;
  padding: 0 1.75rem 1.6rem 1.75rem;
  color: var(--text-muted);
  font-size: 0.96rem;
  line-height: 1.7;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 1.15rem;
}

.faq-item.open .faq-body {
  display: block;
}

/* Forms & Inputs */
.form-group {
  margin-bottom: 1.35rem;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.55rem;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  background: #080c14;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.1rem;
  color: #fff;
  font-family: inherit;
  font-size: 0.96rem;
  transition: var(--transition);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--primary-neon);
  box-shadow: 0 0 0 3px rgba(0, 240, 255, 0.2);
}

.form-textarea {
  min-height: 130px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.15rem;
}

/* Contact Grid */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 3.5rem;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
}

.contact-item {
  display: flex;
  gap: 1.15rem;
  margin-bottom: 1.85rem;
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-neon);
  flex-shrink: 0;
}

.contact-icon svg {
  width: 22px;
  height: 22px;
}

.contact-text h4 {
  margin-bottom: 0.3rem;
  color: #fff;
}

.contact-text p, .contact-text a {
  font-size: 0.94rem;
  color: var(--text-muted);
}

/* Map */
.map-frame {
  width: 100%;
  height: 290px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-top: 1.75rem;
}

.map-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
  filter: grayscale(85%) invert(92%) contrast(85%);
}

/* Footer */
.site-footer {
  background: #04060a;
  border-top: 1px solid var(--border-subtle);
  padding: 5rem 0 2.25rem 0;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 3.5rem;
  margin-bottom: 3.75rem;
}

.footer-col-title {
  font-size: 1rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 1.35rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary-neon);
  padding-left: 5px;
}

.footer-disclaimer-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.15rem 1.4rem;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--text-dim);
  margin-bottom: 2.75rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.15rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.84rem;
}

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(4, 6, 10, 0.88);
  backdrop-filter: blur(10px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-overlay.open {
  display: flex;
}

.modal-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-xl);
  max-width: 720px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 2.75rem;
  position: relative;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.9);
}

.modal-close-btn {
  position: absolute;
  top: 1.35rem;
  right: 1.35rem;
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.6rem;
  line-height: 1;
}

.modal-close-btn:hover {
  color: var(--primary-neon);
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 1.75rem;
  left: 1.75rem;
  right: 1.75rem;
  max-width: 520px;
  background: rgba(14, 20, 34, 0.96);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 1.6rem;
  z-index: 1500;
  box-shadow: 0 20px 50px rgba(0,0,0,0.7);
  display: none;
}

.cookie-banner.show {
  display: block;
}

.cookie-actions {
  display: flex;
  gap: 0.85rem;
  margin-top: 1.15rem;
}

/* Toast */
.toast-msg {
  position: fixed;
  top: 2rem;
  right: 2rem;
  background: #064e3b;
  border: 1px solid #10b981;
  color: #ecfdf5;
  padding: 1.1rem 1.75rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  z-index: 3000;
  display: none;
  box-shadow: 0 12px 30px rgba(0,0,0,0.6);
}

.toast-msg.show {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

/* Legal Content */
.legal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 3.25rem;
  margin-top: 2rem;
}

.legal-content h2 {
  font-size: 1.55rem;
  margin-top: 2.25rem;
  margin-bottom: 1.1rem;
  color: #fff;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.6rem;
}

.legal-content h3 {
  font-size: 1.25rem;
  margin-top: 1.6rem;
  margin-bottom: 0.85rem;
  color: var(--primary-neon);
}

.legal-content ul, .legal-content ol {
  margin-left: 1.75rem;
  margin-bottom: 1.35rem;
  color: var(--text-muted);
}

.legal-content li {
  margin-bottom: 0.45rem;
}

.compliance-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.6rem 0;
  font-size: 0.9rem;
}

.compliance-table th, .compliance-table td {
  border: 1px solid var(--border-subtle);
  padding: 0.85rem 1.15rem;
  text-align: left;
}

.compliance-table th {
  background-color: var(--bg-surface);
  color: #fff;
  font-weight: 700;
}

.compliance-table td {
  color: var(--text-muted);
}

/* Articles */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.25rem;
}

.article-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.article-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-5px);
  box-shadow: var(--shadow-card);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.82rem;
  color: var(--primary-neon);
  margin-bottom: 0.85rem;
  font-weight: 600;
}

.article-title {
  font-size: 1.3rem;
  margin-bottom: 0.85rem;
}

.article-excerpt {
  font-size: 0.94rem;
  color: var(--text-muted);
  flex: 1;
  margin-bottom: 1.35rem;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-grid, .calc-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.75rem;
  }
  .services-grid, .projects-grid, .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links, .nav-cta-btn {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .services-grid, .projects-grid, .articles-grid {
    grid-template-columns: 1fr;
  }
  .calc-options-grid, .form-row {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.25rem;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .top-bar-inner {
    justify-content: center;
    text-align: center;
  }
  .legal-content {
    padding: 2rem;
  }
}