/* ═════════════════════════════════════════════════════════════════
   LEXUS KYIV — TAKUMI CRAFTSMANSHIP & OMOTENASHI LUXURY SYSTEM
   Official Lexus Aesthetic | Spindle Geometry | Quiet Luxury
   ═════════════════════════════════════════════════════════════════ */

:root {
  --bg: #07080a;
  --surface: #0f1117;
  --surface-2: #161922;
  --card: #13151e;
  --card-hover: #1c202d;
  
  --gold: #c6a87c;
  --gold-light: #e0c8a2;
  --gold-dim: rgba(198, 168, 124, 0.12);
  --gold-border: rgba(198, 168, 124, 0.28);
  
  --text: #f5f5f7;
  --text-muted: #8e95a5;
  --text-sub: #adb5c7;
  
  --border: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.16);
  
  --fsport-red: #d92323;
  --fsport-blue: #0050d8;
  
  --ff-head: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --ff-body: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', Roboto, sans-serif;
  
  --radius-sm: 8px;
  --radius: 16px;
  --radius-lg: 24px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
  color: var(--text);
  font-family: var(--ff-body);
}

body {
  overflow-x: hidden;
  line-height: 1.6;
}

/* ═══════════ TYPOGRAPHY ═══════════ */
h1, h2, h3, h4, .lexus-title {
  font-family: var(--ff-head);
  letter-spacing: -0.02em;
  font-weight: 700;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 12px;
}

.eyebrow::before {
  content: '';
  width: 18px;
  height: 1px;
  background: var(--gold);
}

.sec-head {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 56px;
}

.sec-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.15;
  margin-bottom: 16px;
}

.sec-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ═══════════ BUTTONS ═══════════ */
.btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--gold) 0%, #a88858 100%);
  color: #000;
  font-family: var(--ff-head);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 15px 32px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 8px 24px rgba(198, 168, 124, 0.25);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(198, 168, 124, 0.45);
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 100%);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font-family: var(--ff-head);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 15px 30px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  cursor: pointer;
  text-decoration: none;
  backdrop-filter: blur(10px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--gold);
  color: var(--gold);
  transform: translateY(-2px);
}

/* ═══════════ NAVBAR ═══════════ */
.lexus-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 900;
  padding: 18px 0;
  background: rgba(7, 8, 10, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s ease;
}

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

.lexus-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
}

.logo-symbol {
  font-family: 'Cinzel', serif;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 0.15em;
  color: #fff;
}

.logo-tag {
  font-size: 9.5px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  border-left: 1px solid var(--border);
  padding-left: 12px;
  font-weight: 700;
}

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

.nav-menu a {
  color: var(--text-sub);
  text-decoration: none;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-menu a:hover {
  color: var(--gold);
}

/* ═══════════ HERO SECTION ═══════════ */
.lexus-hero {
  position: relative;
  min-height: 100vh;
  padding: 160px 0 100px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: radial-gradient(circle at 60% 40%, #151822 0%, #07080a 75%);
}

.hero-backdrop-glow {
  position: absolute;
  top: 15%;
  right: 5%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(198, 168, 124, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 60px;
  align-items: center;
}

.hero-title {
  font-size: clamp(2.8rem, 5.5vw, 4.6rem);
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: 24px;
}

.hero-title span {
  display: block;
  background: linear-gradient(135deg, #fff 40%, var(--gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 540px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.stat-val {
  font-family: var(--ff-head);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 6px;
}

.stat-lbl {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-visual {
  position: relative;
}

.hero-car-img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.9);
  border: 1px solid var(--gold-border);
}

/* ═══════════ MODEL LINEUP & 3D STUDIO ═══════════ */
.lineup-sec {
  padding: 120px 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.lineup-btn {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text-sub);
  font-family: var(--ff-head);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 10px 22px;
  border-radius: 30px;
  cursor: pointer;
  transition: all 0.25s ease;
}

.lineup-btn:hover, .lineup-btn.active {
  background: var(--gold);
  color: #000;
  border-color: var(--gold);
  box-shadow: 0 0 20px rgba(198, 168, 124, 0.35);
}

.model-stage-card {
  background: var(--card);
  border: 1px solid var(--gold-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  box-shadow: 0 25px 70px rgba(0, 0, 0, 0.8);
}

@media (max-width: 960px) {
  .model-stage-card { grid-template-columns: 1fr; }
}

.model-media-box {
  position: relative;
  min-height: 440px;
  background-size: cover;
  background-position: center;
}

.model-media-box::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 17, 23, 0.1) 0%, rgba(15, 17, 23, 0.95) 100%);
}

.model-floating-info {
  position: absolute;
  bottom: 28px;
  left: 28px;
  right: 28px;
  z-index: 2;
}

.model-tag-badge {
  display: inline-block;
  background: rgba(198, 168, 124, 0.15);
  border: 1px solid var(--gold);
  color: var(--gold);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 4px 12px;
  border-radius: 6px;
  margin-bottom: 10px;
}

.model-card-details {
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 24px 0;
}

.spec-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
}

.spec-item-val {
  font-family: var(--ff-head);
  font-weight: 800;
  font-size: 1.15rem;
  color: #fff;
}

.spec-item-lbl {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* ═══════════ COLOR & LEATHER STUDIO CONFIGURATOR ═══════════ */
.config-sec {
  padding: 120px 0;
  background: var(--bg);
}

.config-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

@media (max-width: 960px) {
  .config-box { grid-template-columns: 1fr; padding: 24px; }
}

.config-preview-frame {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--gold-border);
  aspect-ratio: 16/10;
  background-size: cover;
  background-position: center;
  transition: background-image 0.4s ease;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.9);
}

.palette-group {
  margin-bottom: 28px;
}

.palette-title {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-sub);
  margin-bottom: 14px;
}

.color-swatches {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.swatch-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  position: relative;
  transition: transform 0.2s, border-color 0.2s;
}

.swatch-btn:hover, .swatch-btn.active {
  transform: scale(1.15);
  border-color: var(--gold);
  box-shadow: 0 0 16px rgba(198, 168, 124, 0.5);
}

/* ═══════════ TAKUMI CRAFTSMANSHIP & SERVICE ═══════════ */
.takumi-sec {
  padding: 120px 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.takumi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.takumi-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.takumi-card:hover {
  border-color: var(--gold);
  transform: translateY(-6px);
  background: var(--card-hover);
}

.takumi-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--gold-dim);
  border: 1px solid var(--gold-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--gold);
  margin-bottom: 20px;
}

/* ═══════════ OMOTENASHI VIP CONCIERGE & TEST DRIVE ═══════════ */
.omotenashi-sec {
  padding: 120px 0;
  background: radial-gradient(circle at 50% 50%, #151924 0%, #07080a 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.concierge-card {
  background: var(--card);
  border: 1px solid var(--gold-border);
  border-radius: var(--radius-lg);
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.9);
}

@media (max-width: 860px) {
  .concierge-card { grid-template-columns: 1fr; padding: 28px; }
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-sub);
  margin-bottom: 6px;
}

.form-input, .form-select {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  color: #fff;
  font-family: var(--ff-body);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.form-input:focus, .form-select:focus {
  border-color: var(--gold);
  background: rgba(255, 255, 255, 0.07);
}

/* ═══════════ FOOTER ═══════════ */
.lexus-footer {
  padding: 80px 0 40px;
  background: #040507;
  border-top: 1px solid var(--border);
}

.ft-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}

.ft-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 32px;
  font-size: 12px;
  color: var(--text-muted);
}

/* ═══════════ RESPONSIVE ═══════════ */
@media (max-width: 768px) {
  .nav-menu { display: none; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .lexus-hero { padding: 120px 0 60px; }
  .hero-stats { grid-template-columns: 1fr; gap: 16px; }
}