/* ==========================================================================
   BLUEVOLT MARINE - PREMIUM STYLE SHEET
   Design System: Deep Ocean Navy, Cyber Cyan & Gold Glows, Glassmorphism
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. ROOT VARIABLE DECLARATIONS & SYSTEM RESETS
   -------------------------------------------------------------------------- */
:root {
  /* Color Palette */
  --bg-primary: #070d19;      /* Deep Space Navy */
  --bg-secondary: #0c162c;    /* Deep Ocean Blue */
  --bg-tertiary: #12213f;     /* Midnight Blue */
  --card-bg: rgba(12, 22, 44, 0.55);
  
  --accent-cyan: #00f3ff;     /* Cyber Cyan (Electricity & Diagnostics) */
  --accent-cyan-hover: #00b8d4;
  --accent-gold: #ffb700;     /* Yacht Luxury Gold */
  --accent-red: #ff3b30;      /* Alarm / Critical Alert Red */
  --accent-green: #34c759;    /* Secure / Calibration Green */
  --accent-purple: #af52de;   /* Advanced systems */
  
  --text-main: #f8fafc;       /* Slate 50 */
  --text-muted: #94a3b8;      /* Slate 400 */
  --text-dark: #0f172a;       /* Slate 900 */
  
  /* Layout & Styling Values */
  --border-color: rgba(0, 243, 255, 0.15);
  --border-glow: rgba(0, 243, 255, 0.3);
  --border-glow-gold: rgba(255, 183, 0, 0.3);
  --border-glow-red: rgba(255, 59, 48, 0.3);
  --transition-fast: 0.25s ease;
  --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --border-radius-lg: 16px;
  --border-radius-md: 8px;
  --container-width: 1200px;
}

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

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

body {
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

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

ul {
  list-style: none;
}

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

/* --------------------------------------------------------------------------
   2. BILINGUAL CONTENT CONTROLLERS
   -------------------------------------------------------------------------- */
.en, .tr {
  display: none !important;
}

body.lang-en .en {
  display: block !important;
}
body.lang-en span.en, 
body.lang-en strong.en, 
body.lang-en a.en, 
body.lang-en i.en {
  display: inline !important;
}
body.lang-en .en.flex-align {
  display: flex !important;
}
body.lang-en .en.flex-between {
  display: flex !important;
}

body.lang-tr .tr {
  display: block !important;
}
body.lang-tr span.tr, 
body.lang-tr strong.tr, 
body.lang-tr a.tr, 
body.lang-tr i.tr {
  display: inline !important;
}
body.lang-tr .tr.flex-align {
  display: flex !important;
}
body.lang-tr .tr.flex-between {
  display: flex !important;
}

/* --------------------------------------------------------------------------
   3. REUSABLE UTILITIES & LAYOUT MODULES
   -------------------------------------------------------------------------- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

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

.flex-align {
  display: flex;
  align-items: center;
}

.flex-justify-center {
  justify-content: center;
}

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

.text-glow {
  color: var(--accent-cyan);
  text-shadow: 0 0 15px rgba(0, 243, 255, 0.6);
}

.text-glow-pulse {
  color: var(--accent-red);
  animation: pulse-glow-red 2s infinite;
}

.success { color: var(--accent-green) !important; }
.warning { color: var(--accent-gold) !important; }
.error { color: var(--accent-red) !important; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.9rem;
}

.btn-lg {
  padding: 16px 36px;
  font-size: 1.1rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan) 0%, #0099ff 100%);
  color: var(--text-dark);
  box-shadow: 0 4px 20px rgba(0, 243, 255, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(0, 243, 255, 0.45);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}
.btn-secondary:hover {
  background: rgba(0, 243, 255, 0.1);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.btn-outline:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(0, 243, 255, 0.05);
}

.btn-emergency {
  background: linear-gradient(135deg, var(--accent-red) 0%, #cc1100 100%);
  color: white;
  box-shadow: 0 4px 20px rgba(255, 59, 48, 0.35);
}
.btn-emergency:hover {
  box-shadow: 0 6px 25px rgba(255, 59, 48, 0.5);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  color: white;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
}
.btn-whatsapp:hover {
  box-shadow: 0 6px 25px rgba(37, 211, 102, 0.45);
  transform: translateY(-2px);
}

.btn-block {
  width: 100%;
}

/* Glassmorphism Cards */
.glass-card {
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  transition: all var(--transition-normal);
}
.glass-card:hover {
  border-color: rgba(0, 243, 255, 0.35);
  box-shadow: 0 15px 40px rgba(0, 243, 255, 0.1);
}

/* --------------------------------------------------------------------------
   4. ANNOUNCEMENT BAR & MAIN HEADER
   -------------------------------------------------------------------------- */
.announcement-bar {
  background: rgba(12, 22, 44, 0.9);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.85rem;
  padding: 8px 0;
  font-weight: 500;
  color: var(--text-muted);
}
.pulse-icon {
  color: var(--accent-cyan);
  margin-right: 8px;
  animation: pulse-dot 1.8s infinite;
}
.contact-quick a {
  color: var(--text-main);
  gap: 6px;
}
.contact-quick a:hover {
  color: var(--accent-cyan);
}

.main-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 13, 25, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding: 16px 0;
}

.logo {
  gap: 12px;
}
.logo-circle {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan) 0%, #0066ff 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dark);
  font-size: 1.25rem;
  box-shadow: 0 0 15px rgba(0, 243, 255, 0.4);
}
.logo-text {
  display: flex;
  flex-direction: column;
}
.brand-name {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: 0.05em;
  color: var(--text-main);
  line-height: 1.1;
}
.brand-sub {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--text-muted);
}

.nav-menu ul {
  gap: 32px;
}
.nav-menu a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-muted);
  position: relative;
  padding: 4px 0;
}
.nav-menu a:hover {
  color: var(--text-main);
}
.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-cyan);
  transition: var(--transition-fast);
}
.nav-menu a:hover::after {
  width: 100%;
}

.lang-toggle-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-main);
  padding: 8px 14px;
  border-radius: var(--border-radius-md);
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition-fast);
}
.lang-toggle-btn:hover {
  background: rgba(0, 243, 255, 0.1);
  border-color: var(--accent-cyan);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: transparent;
  border: none;
  cursor: pointer;
}
.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-main);
  transition: var(--transition-fast);
}

/* --------------------------------------------------------------------------
   5. HERO SECTION
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  padding: 100px 0 120px 0;
  overflow: hidden;
  background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
}
.hero-bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: radial-gradient(rgba(0, 243, 255, 0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}
.hero-glow-1, .hero-glow-2 {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  opacity: 0.15;
}
.hero-glow-1 {
  top: 10%;
  right: -5%;
  width: 500px;
  height: 500px;
  background-color: var(--accent-cyan);
}
.hero-glow-2 {
  bottom: -10%;
  left: -5%;
  width: 400px;
  height: 400px;
  background-color: #0055ff;
}

.hero-content-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.badge-accent {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 243, 255, 0.08);
  border: 1px solid rgba(0, 243, 255, 0.25);
  border-radius: 50px;
  padding: 8px 18px;
  color: var(--accent-cyan);
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}

.main-title {
  font-size: 3.5rem;
  line-height: 1.15;
  margin-bottom: 24px;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 40px;
  max-width: 580px;
}

.hero-ctas {
  gap: 20px;
  margin-bottom: 48px;
}

.hero-trust-metrics {
  gap: 32px;
}
.metric-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
}
.metric-item i {
  color: var(--accent-cyan);
  font-size: 1.1rem;
}

/* Hero Panel Visual */
.hero-visual-panel {
  position: relative;
  display: flex;
  justify-content: flex-end;
}
.marine-display {
  width: 100%;
  max-width: 460px;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  border-color: rgba(0, 243, 255, 0.25);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}
.marine-display .card-header {
  background: rgba(12, 22, 44, 0.8);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 18px;
}
.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 4px;
}
.terminal-dot.red { background-color: var(--accent-red); }
.terminal-dot.yellow { background-color: var(--accent-gold); }
.terminal-dot.green { background-color: var(--accent-green); }

.display-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-left: auto;
}

.marine-display .card-body {
  padding: 24px;
}

.system-status {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 24px;
}
.status-row {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 8px;
}
.status-row .label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}
.status-row .value {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
}

/* Interactive PCB Design */
.pcb-visual {
  height: 160px;
  background: rgba(5, 8, 17, 0.6);
  border-radius: var(--border-radius-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
  position: relative;
  overflow: hidden;
  margin-bottom: 24px;
}
.pcb-microchip {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 50px;
  height: 50px;
  background: #111e3c;
  border: 1px solid var(--accent-cyan);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--accent-cyan);
  z-index: 2;
}
.chip-glow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  box-shadow: 0 0 20px rgba(0, 243, 255, 0.5);
  border-radius: 6px;
  animation: pulse-glow-cyan 3s infinite;
}
.pcb-trace {
  position: absolute;
  background: rgba(0, 243, 255, 0.25);
}
.pcb-trace.trace1 {
  top: 50%;
  left: 10%;
  width: 40%;
  height: 2px;
}
.pcb-trace.trace2 {
  top: 20%;
  left: 50%;
  width: 2px;
  height: 30%;
}
.pcb-node {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
}
.pcb-node.node1 { top: 48%; left: 10%; animation: pulse-node 2.2s infinite; }
.pcb-node.node2 { top: 18%; left: 49%; animation: pulse-node 1.8s infinite; }

.system-alerts {
  background: rgba(255, 59, 48, 0.05);
  border: 1px solid rgba(255, 59, 48, 0.15);
  border-radius: var(--border-radius-md);
  padding: 12px 16px;
}
.system-alerts i {
  font-size: 1.1rem;
  margin-right: 12px;
  color: var(--accent-red);
}
.alert-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   6. CORE SERVICES SECTION
   -------------------------------------------------------------------------- */
.services-section {
  padding: 100px 0;
  background: var(--bg-secondary);
  position: relative;
}
.section-header {
  margin-bottom: 60px;
}
.section-title {
  font-size: 2.5rem;
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 32px;
}

.service-card {
  padding: 40px 32px;
  height: 100%;
}
.service-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 24px;
  background: rgba(18, 33, 63, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all var(--transition-fast);
}
.service-card:hover .service-icon {
  transform: scale(1.08);
}
.glow-cyan {
  color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(0, 243, 255, 0.15);
  border-color: rgba(0, 243, 255, 0.3);
}
.glow-red {
  color: var(--accent-red);
  box-shadow: 0 0 20px rgba(255, 59, 48, 0.15);
  border-color: rgba(255, 59, 48, 0.3);
}
.glow-gold {
  color: var(--accent-gold);
  box-shadow: 0 0 20px rgba(255, 183, 0, 0.15);
  border-color: rgba(255, 183, 0, 0.3);
}
.glow-green {
  color: var(--accent-green);
  box-shadow: 0 0 20px rgba(52, 199, 89, 0.15);
  border-color: rgba(52, 199, 89, 0.3);
}
.glow-purple {
  color: var(--accent-purple);
  box-shadow: 0 0 20px rgba(175, 82, 222, 0.15);
  border-color: rgba(175, 82, 222, 0.3);
}

.service-title {
  font-size: 1.4rem;
  margin-bottom: 16px;
}
.service-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   7. PCB restoration & leakage SPECIALIZATIONS
   -------------------------------------------------------------------------- */
/* PCB restoration */
.board-repair-section {
  padding: 100px 0;
  background: var(--bg-primary);
}
.board-repair-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 60px;
  align-items: center;
}

.repair-visual-container {
  display: flex;
  justify-content: center;
}
.pcb-diagnostic-card {
  width: 100%;
  max-width: 420px;
  overflow: hidden;
  border-color: rgba(0, 243, 255, 0.2);
}
.pcb-header {
  background: rgba(12, 22, 44, 0.8);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 18px;
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.status-dot.green {
  background-color: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
}
.pcb-model-title {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}
.pcb-detail-body {
  padding: 24px;
}
.xray-scope {
  height: 200px;
  background: #050811;
  border-radius: var(--border-radius-md);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.laser-scanner {
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
  animation: laser-scan 4s linear infinite;
  z-index: 2;
}
.board-icon {
  font-size: 4rem;
  color: rgba(0, 243, 255, 0.15);
}
.pcb-telemetry-console {
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--border-radius-md);
  padding: 16px;
  font-family: monospace;
  font-size: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.tele-line {
  display: flex;
  justify-content: space-between;
}
.t-lbl { color: var(--text-muted); }
.t-val { color: var(--text-main); font-weight: bold; }

.repair-text-content .section-title {
  text-align: left;
}
.repair-intro {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 32px;
}
.repair-specs {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.repair-specs li {
  display: flex;
  gap: 16px;
}
.repair-specs i {
  color: var(--accent-cyan);
  font-size: 1.25rem;
  margin-top: 4px;
}
.repair-specs strong {
  display: block;
  font-family: 'Outfit', sans-serif;
  font-size: 1.1rem;
  margin-bottom: 4px;
}
.repair-specs span {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* Leakage current section */
.leakage-section {
  padding: 100px 0;
  background: var(--bg-secondary);
}
.leakage-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 60px;
  align-items: center;
}
.leakage-intro {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 40px;
}
.leakage-features {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.feature-item {
  display: flex;
  gap: 20px;
}
.feat-num {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  color: rgba(0, 243, 255, 0.4);
  line-height: 1;
}
.feature-item h4 {
  font-size: 1.15rem;
  margin-bottom: 6px;
}
.feature-item p {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.leakage-visual-container {
  display: flex;
  justify-content: center;
}
.leakage-meter-card {
  width: 100%;
  max-width: 380px;
  overflow: hidden;
  border-color: rgba(255, 183, 0, 0.2);
}
.meter-header {
  background: rgba(12, 22, 44, 0.8);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 18px;
}
.meter-title {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}
.meter-live {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--accent-red);
  gap: 6px;
}
.blink-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-red);
  box-shadow: 0 0 6px var(--accent-red);
  animation: pulse-dot 1.2s infinite;
}
.meter-display {
  padding: 32px 24px 20px 24px;
  display: flex;
  justify-content: center;
}
.gauge {
  width: 180px;
  text-align: center;
  position: relative;
}
.gauge-svg {
  width: 100%;
}
.gauge-value {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 2.2rem;
  margin-top: -10px;
}
.gauge-status {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: 50px;
  background: rgba(52, 199, 89, 0.1);
  display: inline-block;
  margin-top: 6px;
}
.meter-details {
  padding: 0 24px 24px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.det-row {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.det-row .val {
  font-weight: bold;
  color: var(--text-main);
}

/* --------------------------------------------------------------------------
   8. MOBILE SERVICE & TRAVEL RANGE
   -------------------------------------------------------------------------- */
.travel-section {
  padding: 100px 0;
  background: var(--bg-primary);
}
.travel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  margin-top: 60px;
}
.travel-card {
  padding: 48px 32px;
  text-align: center;
}
.t-icon {
  font-size: 2.5rem;
  color: var(--accent-cyan);
  margin-bottom: 24px;
  text-shadow: 0 0 15px rgba(0, 243, 255, 0.4);
}
.travel-card h3 {
  font-size: 1.4rem;
  margin-bottom: 16px;
}
.travel-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   9. AEO-OPTIMIZED FAQ SECTION
   -------------------------------------------------------------------------- */
.faq-section {
  padding: 100px 0;
  background: var(--bg-secondary);
}
.faq-accordion-container {
  max-width: 800px;
  margin: 60px auto 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.faq-item {
  border-radius: var(--border-radius-md);
  overflow: hidden;
  transition: all var(--transition-fast);
}
.faq-question {
  width: 100%;
  background: transparent;
  border: none;
  padding: 24px;
  text-align: left;
  font-family: 'Outfit', sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  outline: none;
  gap: 20px;
}
.faq-question i {
  font-size: 1rem;
  color: var(--accent-cyan);
  transition: transform var(--transition-fast);
}
.faq-question:hover {
  background: rgba(0, 243, 255, 0.03);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-normal);
  background: rgba(0, 0, 0, 0.15);
}
.faq-answer-inner {
  padding: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
}
.faq-answer p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* Accordion Active States */
.faq-item.active {
  border-color: rgba(0, 243, 255, 0.35);
}
.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

/* --------------------------------------------------------------------------
   10. CONTACT FORM & REQUEST FLOW
   -------------------------------------------------------------------------- */
.contact-section {
  padding: 100px 0;
  background: var(--bg-primary);
  border-top: 1px solid rgba(255, 255, 255, 0.03);
}
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: flex-start;
}
.contact-intro {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 40px;
}

.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
}
.info-item {
  gap: 20px;
}
.info-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(0, 243, 255, 0.08);
  border: 1px solid rgba(0, 243, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--accent-cyan);
}
.info-item .label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}
.info-val {
  font-family: 'Outfit', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
}
.info-val:hover {
  color: var(--accent-cyan);
}

.contact-form-panel {
  padding: 40px;
}
.form-title {
  font-size: 1.6rem;
  margin-bottom: 32px;
  border-left: 4px solid var(--accent-cyan);
  padding-left: 16px;
}

.service-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}
.form-group input,
.form-group select,
.form-group textarea {
  background: #050811;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-main);
  padding: 12px 16px;
  border-radius: var(--border-radius-md);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  transition: var(--transition-fast);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 243, 255, 0.15);
}
.form-group select {
  cursor: pointer;
}
.form-group textarea {
  resize: vertical;
}

/* --------------------------------------------------------------------------
   11. MAIN FOOTER
   -------------------------------------------------------------------------- */
.main-footer {
  background: #04080f;
  padding: 60px 0 30px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}
.footer-logo {
  gap: 12px;
  margin-bottom: 20px;
}
.footer-slogan {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto 30px auto;
}
.social-links {
  gap: 20px;
  margin-bottom: 40px;
}
.social-links a {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--text-muted);
}
.social-links a:hover {
  background: rgba(0, 243, 255, 0.1);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.03);
  padding-top: 30px;
}
.copyright {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   12. KEYFRAME ANIMATIONS & PULSES
   -------------------------------------------------------------------------- */
@keyframes pulse-dot {
  0% { transform: scale(0.9); opacity: 0.8; }
  50% { transform: scale(1.1); opacity: 1; box-shadow: 0 0 10px rgba(0, 243, 255, 0.6); }
  100% { transform: scale(0.9); opacity: 0.8; }
}

@keyframes pulse-node {
  0% { box-shadow: 0 0 4px var(--accent-cyan); }
  50% { box-shadow: 0 0 12px var(--accent-cyan); }
  100% { box-shadow: 0 0 4px var(--accent-cyan); }
}

@keyframes pulse-glow-cyan {
  0% { box-shadow: 0 0 15px rgba(0, 243, 255, 0.35); }
  50% { box-shadow: 0 0 25px rgba(0, 243, 255, 0.6); }
  100% { box-shadow: 0 0 15px rgba(0, 243, 255, 0.35); }
}

@keyframes pulse-glow-red {
  0% { text-shadow: 0 0 5px rgba(255, 59, 48, 0.4); opacity: 0.8; }
  50% { text-shadow: 0 0 12px rgba(255, 59, 48, 0.85); opacity: 1; }
  100% { text-shadow: 0 0 5px rgba(255, 59, 48, 0.4); opacity: 0.8; }
}

@keyframes laser-scan {
  0% { top: 0%; }
  50% { top: 100%; }
  100% { top: 0%; }
}

/* --------------------------------------------------------------------------
   13. PORTFOLIO GALLERY SECTION
   -------------------------------------------------------------------------- */
.portfolio-section {
  padding: 100px 0;
  background: var(--bg-primary);
}
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 48px;
}
.portfolio-item {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  aspect-ratio: 1 / 1;
}
.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}
.portfolio-item:hover img {
  transform: scale(1.08);
}
.portfolio-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(0deg, rgba(7, 13, 25, 0.95) 0%, rgba(7, 13, 25, 0) 100%);
  padding: 24px;
  text-align: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}
.portfolio-overlay span {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--accent-cyan);
}

/* --------------------------------------------------------------------------
   14. MEDIA QUERIES & RESPONSIVENESS
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-content-grid,
  .board-repair-grid,
  .leakage-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .main-title {
    font-size: 2.8rem;
  }
  .hero-visual-panel,
  .repair-visual-container,
  .leakage-visual-container {
    justify-content: center;
  }
  .repair-text-content .section-title {
    text-align: center;
  }
}

@media (max-width: 768px) {
  /* Section Padding Optimization */
  .hero-section {
    padding: 60px 0 80px 0;
  }
  .services-section,
  .board-repair-section,
  .leakage-section,
  .travel-section,
  .faq-section,
  .portfolio-section,
  .contact-section {
    padding: 60px 0;
  }

  /* Grid Fixes to Prevent Mobile Overflow */
  .services-grid,
  .travel-grid,
  .portfolio-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
  }

  /* Ensure card assets do not cause overflow */
  .marine-display,
  .pcb-diagnostic-card,
  .leakage-meter-card,
  .glass-card {
    max-width: 100%;
  }

  /* Mobile Navigation and X Toggle Animation */
  .mobile-toggle {
    display: flex;
  }
  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(7, 13, 25, 0.98);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 30px 24px;
    display: none;
  }
  .nav-menu.active {
    display: block;
  }
  .nav-menu ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }
  .nav-menu a {
    font-size: 1.1rem;
    width: 100%;
    display: block;
  }

  /* Mobile Toggle active state (X shape) */
  .mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .mobile-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  .mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }
  
  .main-title {
    font-size: 2.3rem;
  }
  
  .hero-ctas {
    flex-direction: column;
    align-items: stretch;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .contact-form-panel {
    padding: 24px;
  }

  /* Always show portfolio captions on mobile */
  .portfolio-overlay {
    opacity: 1;
    background: linear-gradient(0deg, rgba(7, 13, 25, 0.95) 0%, rgba(7, 13, 25, 0.3) 100%);
    padding: 16px;
  }
}

@media (max-width: 576px) {
  /* Announcement bar wrap prevention */
  .announcement-bar .container {
    flex-direction: column;
    gap: 6px;
    text-align: center;
  }
  .announcement-text {
    justify-content: center;
  }
  .contact-quick {
    justify-content: center;
  }
}