/* ==========================================================================
   ЛАБОРАТОРИЯ КУЛАКОВА — TPMS PRO DESIGN SYSTEM STYLES
   Aesthetic: High-Precision Automotive Engineering (Red #E51E24 / Light / Carbon)
   ========================================================================== */

:root {
  /* Colors */
  --color-red: #E51E24;
  --color-red-hover: #CC151B;
  --color-red-glow: rgba(229, 30, 36, 0.35);
  
  --color-bg-light: #F6F4F1;
  --color-bg-white: #FFFFFF;
  --color-bg-dark: #111112;
  --color-surface-dark: #1A1A1C;
  --color-surface-dark-card: #222225;
  
  --color-text-dark: #202124;
  --color-text-light: #F7F6F4;
  --color-text-muted: #6E6E73;
  --color-text-muted-dark: #A1A1AA;
  
  --color-border-light: rgba(0, 0, 0, 0.09);
  --color-border-dark: rgba(255, 255, 255, 0.1);
  --color-border-red: rgba(229, 30, 36, 0.4);

  /* Fonts */
  --font-heading: 'Barlow Condensed', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Layout */
  --container-width: 1240px;
  --radius-sm: 3px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --radius-pill: 9999px;
  
  --transition-fast: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-light);
  color: var(--color-text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */

h1, h2, h3, h4, .font-heading {
  font-family: var(--font-heading);
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 0.95;
}

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-red);
  margin-bottom: 12px;
}

.text-red {
  color: var(--color-red);
}

/* ==========================================================================
   BUTTONS & UI ELEMENTS
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-primary {
  background-color: var(--color-red);
  color: #FFFFFF;
  box-shadow: 0 4px 16px var(--color-red-glow);
}

.btn-primary:hover {
  background-color: var(--color-red-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(229, 30, 36, 0.5);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background: transparent;
  color: var(--color-text-dark);
  border: 1px solid var(--color-border-light);
}

.btn-outline:hover {
  border-color: var(--color-red);
  color: var(--color-red);
}

.btn-outline-dark {
  background: transparent;
  color: var(--color-text-light);
  border: 1px solid var(--color-border-dark);
}

.btn-outline-dark:hover {
  border-color: var(--color-red);
  background: rgba(229, 30, 36, 0.1);
  color: #FFFFFF;
}

.btn-block {
  width: 100%;
}

/* ==========================================================================
   HEADER & NAVBAR (Dark Glassmorphism)
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(11, 11, 13, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding: 12px 0;
  transition: var(--transition-fast);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: nowrap;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-gear {
  color: var(--color-red);
  display: flex;
  align-items: center;
}

.brand-title {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #FFFFFF;
  white-space: nowrap;
}

.brand-title span {
  color: var(--color-red);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 1.6vw, 24px);
  flex-shrink: 0;
}

.nav-link {
  font-size: 13px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.82);
  white-space: nowrap;
  transition: var(--transition-fast);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
  flex-wrap: nowrap;
}

.live-stock-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: #34D399;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}

.live-dot-green {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #10B981;
  box-shadow: 0 0 10px #10B981;
  animation: pulseGreen 2s infinite ease-in-out;
}

@keyframes pulseGreen {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.6; }
}

.header-phone {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  flex-shrink: 0;
}

.header-phone:hover {
  color: var(--color-red);
}

/* ==========================================================================
   FULL-BLEED CINEMATIC VIDEO HERO SECTION
   ========================================================================== */

.hero-fullscreen-section {
  position: relative;
  min-height: calc(100vh - 70px);
  min-height: 86vh;
  display: flex;
  align-items: flex-start;
  overflow: hidden;
  background-color: #0B0B0D;
}

.hero-video-bg-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 1;
}

.hero-bg-video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translate(-50%, -50%);
  object-fit: cover;
  filter: none;
}

.hero-video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, 
    rgba(0, 0, 0, 0.45) 0%, 
    rgba(0, 0, 0, 0.15) 30%, 
    rgba(0, 0, 0, 0) 60%
  );
  z-index: 2;
  pointer-events: none;
}

.hero-fullscreen-content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 3;
  padding: clamp(20px, 3vw, 42px);
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  pointer-events: none;
}

.hero-glass-card {
  pointer-events: auto;
  max-width: 330px;
  background: rgba(10, 10, 14, 0.62);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 18px;
  padding: 20px 22px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5), 0 0 1px rgba(255, 255, 255, 0.15);
}

.hero-title-white {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: 6px;
  color: #FFFFFF;
  letter-spacing: 0.02em;
}

.hero-desc-light {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.86);
  margin-bottom: 16px;
  line-height: 1.45;
}

.hero-cta-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.hero-cta-group .btn {
  width: 100%;
  justify-content: center;
  padding: 10px 14px;
  font-size: 13px;
}

.btn-glow {
  box-shadow: 0 0 20px rgba(229, 30, 36, 0.4), 0 4px 12px rgba(229, 30, 36, 0.3);
}

.btn-glow:hover {
  box-shadow: 0 0 28px rgba(229, 30, 36, 0.6), 0 6px 18px rgba(229, 30, 36, 0.4);
}

.btn-glass {
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-1px);
  color: #FFFFFF;
}

.telemetry-sync-badge {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(17, 17, 18, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 10px 18px;
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  margin-top: 16px;
  align-self: center;
}

.pulse-beacon {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #10B981;
  box-shadow: 0 0 12px #10B981;
  animation: pulseGreen 1.8s infinite ease-in-out;
}

.status-tag-info {
  display: flex;
  flex-direction: column;
}

.status-tag-title {
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.status-tag-sub {
  color: rgba(255, 255, 255, 0.65);
  font-size: 11px;
  font-weight: 500;
}

/* ==========================================================================
   INTERACTIVE TELEMETRY & HUD SECTION (Light #F6F4F1)
   ========================================================================== */

.telemetry-interactive-section {
  padding: 100px 0;
  background-color: #FFFFFF;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.telemetry-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  align-items: center;
  gap: 60px;
}

.telemetry-lead {
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.telemetry-features {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.telemetry-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-dark);
}

.telemetry-features i {
  color: var(--color-red);
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.telemetry-visual-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  user-select: none;
}

.hud-canvas-container {
  position: relative;
  width: 100%;
  max-width: 580px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-wheel-img {
  width: 100%;
  max-width: 520px;
  border-radius: var(--radius-lg);
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.15));
  transition: transform 0.3s ease-out;
}

/* --- Точка TPMS сенсора на ободе диска --- */
.tpms-sensor-node {
  position: absolute;
  top: 48%;
  right: 24%;
  width: 24px;
  height: 24px;
  cursor: pointer;
  z-index: 10;
}

.tpms-dot-core {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-red);
  box-shadow: 0 0 16px var(--color-red), 0 0 30px rgba(229, 30, 36, 0.6);
}

.tpms-ping-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1.5px solid var(--color-red);
  opacity: 0;
  animation: tpmsPing 3s infinite cubic-bezier(0, 0.2, 0.8, 1);
}

.ping-1 { width: 36px; height: 36px; animation-delay: 0s; }
.ping-2 { width: 70px; height: 70px; animation-delay: 0.9s; }
.ping-3 { width: 110px; height: 110px; animation-delay: 1.8s; }

@keyframes tpmsPing {
  0% { transform: translate(-50%, -50%) scale(0.2); opacity: 1; }
  100% { transform: translate(-50%, -50%) scale(1.6); opacity: 0; }
}

/* --- HUD Стеклянные плашки телеметрии --- */
.hud-badge {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.04);
  z-index: 12;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  animation: hudFloat 5s ease-in-out infinite alternate;
}

.hud-badge:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.12);
  border-color: var(--color-red);
}

.hud-badge-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: #F3F4F6;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hud-badge-text {
  display: flex;
  flex-direction: column;
}

.hud-badge-label {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.hud-badge-value {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 800;
  color: var(--color-text-dark);
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-ok-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #10B981;
  box-shadow: 0 0 6px #10B981;
}

/* Позиционирование 4 плашек */
.hud-badge-pressure {
  top: -8px;
  left: -28px;
  animation-delay: 0s;
}

.hud-badge-frequency {
  top: 18px;
  right: -36px;
  animation-delay: 1.2s;
}

.hud-badge-battery {
  bottom: 24px;
  right: -24px;
  animation-delay: 2.4s;
}

.hud-badge-id {
  bottom: -4px;
  left: -20px;
  animation-delay: 3.6s;
}

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

/* --- Лазерная линия сканирования --- */
.hud-laser-line {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--color-red), #FF7377, transparent);
  box-shadow: 0 0 15px var(--color-red), 0 0 25px rgba(229, 30, 36, 0.8);
  opacity: 0;
  z-index: 15;
  pointer-events: none;
}

.hud-laser-line.scanning {
  animation: laserScan 1.6s ease-in-out forwards;
}

@keyframes laserScan {
  0% { top: 0%; opacity: 0; }
  15% { opacity: 1; }
  85% { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}

/* --- Кнопка-индикатор сканирования --- */
.hud-scanner-trigger {
  position: absolute;
  bottom: -24px;
  background: #111112;
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-pill);
  padding: 8px 18px;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
  z-index: 14;
  transition: var(--transition-fast);
}

.hud-scanner-trigger:hover {
  background: var(--color-red);
  border-color: var(--color-red);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(229, 30, 36, 0.35);
}

.scanner-icon-pulse {
  display: flex;
  align-items: center;
  justify-content: center;
  color: #10B981;
}

.hud-scanner-trigger:hover .scanner-icon-pulse {
  color: #FFFFFF;
}

/* ==========================================================================
   SERVICES SECTION (Dark #111112)
   ========================================================================== */

.services-section {
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
  padding: 100px 0;
}

.section-header-dark {
  margin-bottom: 50px;
}

.section-header-dark h2 {
  font-size: clamp(38px, 4vw, 56px);
  color: var(--color-text-light);
}

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

.service-card {
  background-color: var(--color-surface-dark);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-sm);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition-smooth);
}

.service-card:hover {
  border-color: var(--color-red);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6);
}

.card-media {
  height: 200px;
  position: relative;
  overflow: hidden;
  background-color: #000;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
  transition: var(--transition-smooth);
}

.service-card:hover .card-media img {
  transform: scale(1.06);
  opacity: 1;
}

.card-num {
  position: absolute;
  top: 14px;
  left: 14px;
  font-family: var(--font-heading);
  font-size: 38px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.25);
  line-height: 1;
}

.card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-icon {
  color: var(--color-red);
  margin-bottom: 12px;
}

.card-title {
  font-size: 24px;
  margin-bottom: 12px;
  color: var(--color-text-light);
  line-height: 1.05;
}

.card-text {
  font-size: 14px;
  color: var(--color-text-muted-dark);
  line-height: 1.5;
  margin-bottom: 24px;
  flex-grow: 1;
}

.card-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-red);
  background: transparent;
  cursor: pointer;
  transition: var(--transition-fast);
  padding: 0;
}

.card-action-btn:hover {
  color: #FFFFFF;
  transform: translateX(4px);
}

/* ==========================================================================
   EXPRESS CALCULATOR SECTION (Dark / Carbon)
   ========================================================================== */

.calculator-section {
  background-color: var(--color-surface-dark);
  border-top: 1px solid var(--color-border-dark);
  border-bottom: 1px solid var(--color-border-dark);
  color: var(--color-text-light);
  padding: 70px 0;
}

.calc-box {
  background-color: var(--color-bg-dark);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-md);
  padding: 36px;
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.calc-controls {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.calc-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.calc-field label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted-dark);
  margin-bottom: 8px;
}

.calc-select, .calc-input {
  width: 100%;
  background-color: var(--color-surface-dark-card);
  border: 1px solid var(--color-border-dark);
  color: var(--color-text-light);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition-fast);
}

.calc-select:focus, .calc-input:focus {
  border-color: var(--color-red);
}

.calc-result-panel {
  background: linear-gradient(145deg, #1C1C1F, #141416);
  border: 1px solid var(--color-border-red);
  border-radius: var(--radius-sm);
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.calc-price-label {
  font-size: 13px;
  text-transform: uppercase;
  color: var(--color-text-muted-dark);
  font-weight: 700;
}

.calc-price-value {
  font-family: var(--font-heading);
  font-size: 48px;
  font-weight: 800;
  color: var(--color-red);
  margin: 6px 0 16px;
  line-height: 1;
}

.calc-details-list {
  list-style: none;
  font-size: 13px;
  color: var(--color-text-muted-dark);
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}

.calc-details-list li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.calc-details-list li i {
  color: var(--color-red);
  width: 14px;
}

/* ==========================================================================
   PROCESS SECTION (Light #F6F4F1)
   ========================================================================== */

.process-section {
  padding: 100px 0;
  background-color: var(--color-bg-light);
}

.section-header-light {
  margin-bottom: 50px;
}

.section-header-light h2 {
  font-size: clamp(38px, 4vw, 56px);
  color: var(--color-text-dark);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.process-card {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition-fast);
}

.process-card:hover {
  border-color: var(--color-red);
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.06);
}

.process-icon-box {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.process-num-badge {
  width: 24px;
  height: 24px;
  background-color: var(--color-red);
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.process-card h4 {
  font-size: 20px;
  margin-bottom: 10px;
  color: var(--color-text-dark);
}

.process-card p {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   WORKSHOP & HOFMANN SHOWCASE (Codex Style #EBE8E3)
   ========================================================================== */

.equipment-gallery {
  background: #ebe8e3;
  color: #202124;
  padding: 100px 0;
  border-top: 1px solid #dcd7ce;
  border-bottom: 1px solid #dcd7ce;
}

.equipment-layout {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 54px;
  align-items: start;
}

.eyebrow-red {
  color: #e51e24;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.equipment-copy h2 {
  font-family: var(--font-heading);
  font-size: clamp(38px, 4vw, 56px);
  font-weight: 800;
  line-height: 0.95;
  margin-bottom: 22px;
  color: #202124;
  letter-spacing: 0.01em;
}

.equipment-copy p {
  color: #5c5b58;
  font-size: 14.5px;
  line-height: 1.65;
}

.equipment-copy ul {
  margin: 24px 0 0;
  padding-left: 20px;
}

.equipment-copy li {
  margin: 12px 0;
  color: #5c5b58;
  font-size: 14px;
  line-height: 1.6;
}

.service-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.service-gallery img {
  width: 100%;
  height: 195px;
  display: block;
  object-fit: cover;
  border: 1px solid #d5d0ca;
  filter: saturate(0.85) contrast(1.05);
  border-radius: 4px;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.service-gallery img:hover {
  filter: saturate(1) contrast(1.05);
  transform: scale(1.01);
}

.service-gallery img:nth-child(1),
.service-gallery img:nth-child(2),
.service-gallery img:nth-child(3),
.service-gallery img:nth-child(4) {
  object-position: center;
}

.service-gallery img:nth-child(5) {
  grid-column: span 2;
  height: 220px;
  object-position: center 54%;
  filter: saturate(0.88) contrast(1.04);
}

/* ==========================================================================
   BENEFITS SECTION (Dark #111112)
   ========================================================================== */

.benefits-section {
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
  padding: 90px 0;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
}

.benefit-item {
  display: flex;
  flex-direction: column;
}

.benefit-icon {
  color: var(--color-red);
  margin-bottom: 16px;
}

.benefit-item h4 {
  font-size: 22px;
  margin-bottom: 8px;
  color: var(--color-text-light);
}

.benefit-item p {
  font-size: 13px;
  color: var(--color-text-muted-dark);
  line-height: 1.5;
}

/* ==========================================================================
   FAQ ACCORDION SECTION (Dark #111112)
   ========================================================================== */

.faq-section {
  padding: 100px 0;
  background-color: var(--color-bg-dark);
  border-top: 1px solid var(--color-border-dark);
}

.faq-accordion-container {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background-color: var(--color-surface-dark);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition-fast);
}

.faq-item:hover, .faq-item.active {
  border-color: rgba(229, 30, 36, 0.4);
}

.faq-question {
  width: 100%;
  padding: 22px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  background: transparent;
  border: none;
  color: var(--color-text-light);
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  transition: color 0.2s ease;
}

.faq-question:hover {
  color: var(--color-red);
}

.faq-chevron {
  width: 20px;
  height: 20px;
  color: var(--color-red);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 200px;
  padding: 0 24px 22px;
}

.faq-answer p {
  color: var(--color-text-muted-dark);
  font-size: 15px;
  line-height: 1.6;
}

/* ==========================================================================
   BOOKING SECTION (Light #F6F4F1)
   ========================================================================== */

.booking-section {
  padding: 100px 0;
  background-color: var(--color-bg-light);
}

.booking-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.booking-info h2 {
  font-size: clamp(38px, 4vw, 56px);
  margin-bottom: 20px;
  color: var(--color-text-dark);
}

.booking-info p {
  font-size: 16px;
  color: var(--color-text-muted);
  margin-bottom: 32px;
}

.booking-contacts-card {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-row {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 600;
}

.contact-row i {
  color: var(--color-red);
}

.booking-form-card {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: 36px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

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

.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-dark);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  background-color: #FAFAFA;
  border: 1px solid #E0E0E0;
  color: var(--color-text-dark);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  transition: var(--transition-fast);
}

.form-control:focus {
  border-color: var(--color-red);
  background-color: #FFFFFF;
}

textarea.form-control {
  resize: vertical;
  min-height: 90px;
}

/* ==========================================================================
   FOOTER (Dark #111112)
   ========================================================================== */

.site-footer {
  background-color: #0A0A0B;
  color: var(--color-text-muted-dark);
  padding: 30px 0;
  border-top: 1px solid var(--color-border-dark);
}

.footer-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-light);
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
}

/* ==========================================================================
   MODAL & TOAST NOTIFICATIONS
   ========================================================================== */

.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background-color: var(--color-surface-dark);
  border: 1px solid var(--color-border-red);
  color: var(--color-text-light);
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slideInToast 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideInToast {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ==========================================================================
   RESPONSIVE DESIGN (Media Queries)
   ========================================================================== */

@media (max-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .benefits-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .equipment-layout, .booking-grid, .hero-grid, .calc-box, .telemetry-grid {
    grid-template-columns: 1fr;
  }
  .hero-visual, .hero-video-wrapper {
    order: -1;
  }
}

@media (max-width: 768px) {
  .hero-fullscreen-section {
    min-height: 75vh;
  }
  .hero-fullscreen-content {
    position: relative;
    padding: 20px 16px;
  }
  .hero-glass-card {
    max-width: 100%;
    background: rgba(10, 10, 14, 0.78);
  }
  .site-nav {
    display: none;
  }
  .header-phone span {
    display: none;
  }
  .header-phone {
    padding: 8px;
  }
  .brand-title {
    font-size: 18px;
  }
  .services-grid, .process-grid, .benefits-grid {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 42px;
  }
  .calc-row {
    grid-template-columns: 1fr;
  }
  .telemetry-grid {
    gap: 40px;
  }
  .footer-container {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}