/* ==========================================================================
   URAL MÜHENDİSLİK v2 — "Industrial Tech & Clean Energy" Design System
   Modern, High-Contrast, Glassmorphism & High-Performance UI Architecture
   ========================================================================== */

:root {
  /* Brand Palette */
  --bg-dark: #070a12;
  --bg-surface: #0d121f;
  --bg-card: rgba(16, 23, 38, 0.75);
  --bg-card-hover: rgba(22, 32, 54, 0.9);
  --bg-glass: rgba(255, 255, 255, 0.03);
  
  /* Accent Colors */
  --ember: #ff6b2b;
  --ember-glow: rgba(255, 107, 43, 0.35);
  --ember-light: #ff8952;
  --cyan: #00d2ff;
  --cyan-glow: rgba(0, 210, 255, 0.3);
  --cyan-light: #5ce1e6;
  --emerald: #10b981;
  --emerald-glow: rgba(16, 185, 129, 0.25);
  
  /* Text */
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --border-light: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(255, 107, 43, 0.4);
  --border-cyan: rgba(0, 210, 255, 0.4);
  
  /* Typography */
  --font-main: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-display: 'Bricolage Grotesque', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'IBM Plex Mono', monospace;
  
  /* Elevations & Effects */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-card: 0 12px 36px -8px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px -10px var(--ember-glow);
  --shadow-cyan: 0 0 40px -10px var(--cyan-glow);
  --blur: blur(16px);
  --transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(255, 107, 43, 0.07) 0%, transparent 45%),
    radial-gradient(circle at 85% 60%, rgba(0, 210, 255, 0.06) 0%, transparent 45%),
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 48px 48px, 48px 48px;
  background-position: 0 0, 0 0, -1px -1px, -1px -1px;
}

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

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

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

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: var(--transition);
}

.site-header.scrolled {
  background: rgba(7, 10, 18, 0.88);
  backdrop-filter: var(--blur);
  border-bottom: 1px solid var(--border-light);
  padding: 0.75rem 0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.brand-logo-img {
  height: 44px;
  width: auto;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
}

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

.brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: 0.08em;
  color: #fff;
  line-height: 1.1;
}

.brand-name span {
  color: var(--ember);
}

.brand-sub {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
  font-weight: 600;
}

.main-nav ul {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.03);
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--border-light);
  backdrop-filter: var(--blur);
}

.nav-link {
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
}

.nav-link:hover, .nav-link.is-active {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.nav-link.is-active {
  color: var(--ember-light);
  font-weight: 600;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.emergency-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: rgba(255, 107, 43, 0.12);
  border: 1px solid rgba(255, 107, 43, 0.3);
  color: var(--ember-light);
  font-size: 0.82rem;
  font-weight: 600;
  font-family: var(--font-mono);
}

.pulse-dot {
  width: 7px;
  height: 7px;
  background-color: var(--ember);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--ember);
  animation: pulseDot 1.8s infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.75rem 1.45rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.94rem;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.btn-ember {
  background: linear-gradient(135deg, #ff6b2b 0%, #e25514 100%);
  color: #fff;
  box-shadow: 0 4px 20px -2px rgba(255, 107, 43, 0.4);
}

.btn-ember:hover {
  background: linear-gradient(135deg, #ff7b42 0%, #ea5c1b 100%);
  box-shadow: 0 6px 28px -2px rgba(255, 107, 43, 0.6);
  transform: translateY(-2px);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-light);
  color: var(--text-main);
  backdrop-filter: var(--blur);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  color: #fff;
}

.btn-cyan {
  background: linear-gradient(135deg, #00d2ff 0%, #0099cc 100%);
  color: #070a12;
  font-weight: 700;
  box-shadow: 0 4px 20px -2px rgba(0, 210, 255, 0.35);
}

.btn-cyan:hover {
  box-shadow: 0 6px 28px -2px rgba(0, 210, 255, 0.55);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.45rem 1rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
}

/* ==========================================================================
   Hero Section & Interactive Cockpit
   ========================================================================== */
.hero-v2 {
  padding: 8.5rem 0 5rem;
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.tag-cert {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.tag-cert.igdas {
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #34d399;
}

.tag-cert.minister {
  background: rgba(0, 210, 255, 0.1);
  border: 1px solid rgba(0, 210, 255, 0.3);
  color: var(--cyan);
}

.tag-cert.heritage {
  background: rgba(255, 107, 43, 0.1);
  border: 1px solid rgba(255, 107, 43, 0.25);
  color: var(--ember-light);
  font-family: var(--font-mono);
}

.hero-title {
  font-family: var(--font-display);
  font-size: 3.4rem;
  line-height: 1.12;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1.35rem;
  color: #fff;
}

.hero-title em {
  font-style: normal;
  background: linear-gradient(135deg, #ffffff 20%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, #ff6b2b 0%, #ff9e58 50%, #00d2ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.12rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 580px;
  margin-bottom: 2.2rem;
}

.hero-actions-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.1rem;
  margin-bottom: 2.8rem;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-light);
}

.metric-item .metric-val {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
  margin-bottom: 0.35rem;
}

.metric-item .metric-val span {
  color: var(--ember);
}

.metric-item .metric-lbl {
  font-size: 0.8rem;
  color: var(--text-dim);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   Telemetry Cockpit Card (Right Hero Visual)
   ========================================================================== */
.telemetry-cockpit {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  box-shadow: var(--shadow-card), var(--shadow-glow);
  backdrop-filter: var(--blur);
  overflow: hidden;
}

.telemetry-cockpit::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--ember), var(--cyan), transparent);
}

.cockpit-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 1.4rem;
}

.cockpit-status {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
}

.cockpit-period {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.04);
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
}

.cockpit-main-dial {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  margin: 1rem 0;
}

.dial-svg-wrap {
  position: relative;
  width: 210px;
  height: 210px;
}

.dial-center-data {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.dial-val {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}

.dial-unit {
  font-size: 0.85rem;
  color: var(--cyan);
  font-weight: 600;
  margin-top: 0.2rem;
}

.dial-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.35rem;
}

.cockpit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin: 1.4rem 0 1.2rem;
}

.cockpit-cell {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border-light);
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.cockpit-cell:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.15);
}

.cell-title {
  font-size: 0.72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.3rem;
  display: flex;
  justify-content: space-between;
}

.cell-val {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
}

.cell-val.amber { color: var(--ember-light); }
.cell-val.cyan { color: var(--cyan); }
.cell-val.emerald { color: var(--emerald); }

.cockpit-ticker {
  background: rgba(0, 0, 0, 0.35);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.ticker-badge {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  background: var(--ember);
  color: #fff;
  font-family: var(--font-mono);
}

.ticker-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-family: var(--font-mono);
}

/* ==========================================================================
   Audience Segment Switcher (Tabs)
   ========================================================================== */
.section-v2 {
  padding: 5.5rem 0;
  position: relative;
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 3.5rem;
}

.section-kicker {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ember);
  margin-bottom: 0.6rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: #fff;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.audience-tabs-nav {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.85rem 1.6rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn:hover {
  background: rgba(255, 255, 255, 0.07);
  color: #fff;
}

.tab-btn.is-active {
  background: linear-gradient(135deg, rgba(255, 107, 43, 0.15) 0%, rgba(0, 210, 255, 0.15) 100%);
  border-color: var(--ember);
  color: #fff;
  box-shadow: 0 0 25px -5px var(--ember-glow);
}

.tab-btn svg {
  width: 18px;
  height: 18px;
}

.tab-pane {
  display: none;
  animation: fadeIn 0.4s ease forwards;
}

.tab-pane.is-active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.segment-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.card-v2 {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: var(--blur);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.card-v2:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.card-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.4rem;
  background: rgba(255, 107, 43, 0.1);
  border: 1px solid rgba(255, 107, 43, 0.25);
  color: var(--ember);
}

.card-icon-wrap.cyan {
  background: rgba(0, 210, 255, 0.1);
  border-color: rgba(0, 210, 255, 0.25);
  color: var(--cyan);
}

.card-icon-wrap.emerald {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.25);
  color: var(--emerald);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.8rem;
  line-height: 1.3;
}

.card-desc {
  font-size: 0.94rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.card-tag {
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ember-light);
}

.card-link:hover {
  gap: 0.75rem;
  color: #fff;
}

/* ==========================================================================
   Interactive Savings Calculator
   ========================================================================== */
.calc-container {
  background: linear-gradient(135deg, rgba(16, 23, 38, 0.9) 0%, rgba(11, 15, 25, 0.95) 100%);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  padding: 3rem;
  box-shadow: var(--shadow-card), var(--shadow-cyan);
  backdrop-filter: var(--blur);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.calc-container::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -120px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, var(--cyan-glow) 0%, transparent 70%);
  pointer-events: none;
}

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

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

.calc-label {
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
}

.calc-current-val {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--cyan);
}

.range-slider {
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.08);
  outline: none;
  -webkit-appearance: none;
  cursor: pointer;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 15px var(--cyan);
  cursor: pointer;
  transition: transform 0.15s ease;
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.fuel-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

.fuel-btn {
  padding: 0.75rem 0.5rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: var(--transition);
}

.fuel-btn.is-active {
  background: rgba(0, 210, 255, 0.12);
  border-color: var(--cyan);
  color: #fff;
}

.calc-result-box {
  background: rgba(7, 10, 18, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  position: relative;
}

.calc-result-headline {
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
}

.calc-savings-amount {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 0.5rem;
}

.calc-savings-amount span {
  color: var(--emerald);
}

.calc-badge-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.calc-mini-badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
}

.calc-breakdown {
  border-top: 1px solid var(--border-light);
  padding-top: 1.2rem;
  margin-bottom: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.breakdown-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.breakdown-row strong {
  color: #fff;
  font-family: var(--font-mono);
}

/* ==========================================================================
   Authority & Device Compatibility Matrix
   ========================================================================== */
.brands-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 2.5rem;
  opacity: 0.7;
}

.brand-chip {
  padding: 0.75rem 1.6rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  transition: var(--transition);
}

.brand-chip:hover {
  border-color: rgba(255, 255, 255, 0.25);
  color: #fff;
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.06);
}

/* ==========================================================================
   Modal: Quick Quote Wizard
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.modal-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  max-width: 580px;
  width: 100%;
  padding: 2.5rem;
  position: relative;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  transform: scale(0.96);
  transition: var(--transition);
}

.modal-overlay.is-open .modal-box {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  background: rgba(255, 255, 255, 0.06);
  border: none;
  color: var(--text-muted);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.wizard-step {
  display: none;
}

.wizard-step.is-active {
  display: block;
}

.wizard-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin: 1.5rem 0;
}

.wizard-opt-btn {
  padding: 1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  color: var(--text-main);
  text-align: left;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.92rem;
  transition: var(--transition);
}

.wizard-opt-btn:hover, .wizard-opt-btn.is-selected {
  background: rgba(255, 107, 43, 0.1);
  border-color: var(--ember);
  color: #fff;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background: #04060b;
  border-top: 1px solid var(--border-light);
  padding: 4.5rem 0 2rem;
  margin-top: 5rem;
  font-size: 0.92rem;
}

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

.footer-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1.2rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

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

.footer-links a:hover {
  color: #fff;
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-dim);
  font-size: 0.84rem;
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero-title {
    font-size: 2.8rem;
  }
  .segment-grid {
    grid-template-columns: 1fr 1fr;
  }
  .calc-container {
    grid-template-columns: 1fr;
    padding: 2rem;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
  }
  .main-nav.is-open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 1rem;
    right: 1rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 1.2rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8);
  }
  .main-nav.is-open ul {
    flex-direction: column;
    width: 100%;
    background: transparent;
    border: none;
    padding: 0;
  }
  .nav-toggle {
    display: flex;
  }
  .hero-v2 {
    padding-top: 7rem;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .segment-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}