/* ═══════════════════════════════════════════════════════════════════════════
   2026 Mercedes-AMG A35 — UK Owner's Guide
   Premium dark-themed, AMG-inspired design system
   ════════════════════════════════════════════════════════════════════════════ */

/* ─── Reset & Custom Properties ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --amg-red:      #cc0000;
  --amg-red-dim:  #990000;
  --amg-silver:   #c8c8c8;
  --amg-silver-dim: #8a8a8a;
  --bg-dark:      #0a0a0a;
  --bg-dark-2:    #111111;
  --bg-dark-3:    #181818;
  --bg-light:     #f4f4f4;
  --bg-light-2:   #ffffff;
  --text-primary: #f0f0f0;
  --text-muted:   #888888;
  --text-dark:    #1a1a1a;
  --text-dark-muted: #555555;
  --border-dark:  rgba(255,255,255,0.08);
  --border-light: rgba(0,0,0,0.10);
  --accent:       #cc0000;
  --radius-sm:    4px;
  --radius-md:    8px;
  --radius-lg:    16px;
  --radius-xl:    24px;
  --shadow-card:  0 4px 24px rgba(0,0,0,0.3);
  --shadow-strong: 0 8px 48px rgba(0,0,0,0.5);
  --transition:   0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
}

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

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

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }
ul { list-style: none; }

/* ─── Scrollbar ──────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--amg-red); border-radius: 3px; }

/* ─── Reveal Animations ──────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* stagger for siblings */
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }
.reveal:nth-child(5) { transition-delay: 0.4s; }
.reveal:nth-child(6) { transition-delay: 0.5s; }

/* ─── Utility ────────────────────────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: var(--transition);
  cursor: pointer;
}
.btn-primary {
  background: var(--amg-red);
  color: #fff;
}
.btn-primary:hover {
  background: #e60000;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(204,0,0,0.4);
}
.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(255,255,255,0.3);
}
.btn-ghost:hover {
  border-color: var(--amg-red);
  color: var(--amg-red);
  transform: translateY(-2px);
}

/* ─── Navigation ─────────────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  /* backdrop-filter moved to ::before so .nav does not become a containing
     block for position:fixed children (backdrop-filter creates one in
     Chrome/Firefox 86+), which was causing the mobile menu to be clipped
     inside the 60px nav bar instead of filling the viewport below it. */
  background: transparent;
  border-bottom: 1px solid var(--border-dark);
  transition: box-shadow var(--transition);
}
.nav::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(16px) saturate(180%);
  transition: background var(--transition);
  z-index: -1;
  pointer-events: none;
}
.nav.scrolled {
  box-shadow: 0 2px 32px rgba(0,0,0,0.6);
}
.nav.scrolled::before {
  background: rgba(10,10,10,0.97);
}
.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  flex-shrink: 0;
  letter-spacing: -0.01em;
}
.logo-amg { color: var(--amg-red); }
.logo-model { color: var(--text-primary); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
  flex: 1;
}
.nav-links::-webkit-scrollbar { display: none; }
.nav-link {
  padding: 6px 10px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--amg-silver-dim);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
  letter-spacing: 0.02em;
}
.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: rgba(255,255,255,0.07);
}
.nav-link.active { color: var(--amg-red); }
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  margin-left: auto;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: var(--transition);
}

/* ─── Hero ───────────────────────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 100px 24px 60px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 120% 80% at 50% 60%, #1a0000 0%, #0a0a0a 70%);
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(204,0,0,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(204,0,0,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}
.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.hero-glow-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(204,0,0,0.2), transparent 70%);
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  animation: glowPulse 6s ease-in-out infinite;
}
.hero-glow-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(200,200,200,0.05), transparent 70%);
  bottom: 10%;
  right: 10%;
  animation: glowPulse 8s ease-in-out infinite reverse;
}
@keyframes glowPulse {
  0%, 100% { opacity: 0.6; transform: translateX(-50%) scale(1); }
  50% { opacity: 1; transform: translateX(-50%) scale(1.1); }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
}
.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(204,0,0,0.15);
  border: 1px solid rgba(204,0,0,0.4);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amg-red);
  margin-bottom: 28px;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(4rem, 12vw, 9rem);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.04em;
  margin-bottom: 20px;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.hero-title-amg {
  color: var(--amg-red);
  text-shadow: 0 0 60px rgba(204,0,0,0.5);
}
.hero-title-model { color: var(--text-primary); }
.hero-title-spec {
  font-size: clamp(1.2rem, 3vw, 2rem);
  font-weight: 400;
  color: var(--amg-silver-dim);
  letter-spacing: 0.1em;
  align-self: center;
}
.hero-sub {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--amg-silver);
  font-weight: 300;
  margin-bottom: 48px;
  letter-spacing: -0.01em;
}
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 48px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 28px 16px;
  flex-wrap: wrap;
}
.hero-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 32px;
  gap: 4px;
}
.hero-stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border-dark);
}
.stat-value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
  letter-spacing: -0.03em;
}
.stat-unit {
  font-size: 0.85rem;
  color: var(--amg-red);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.hero-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  animation: fadeInUp 2s ease 1.5s both;
}
.scroll-line {
  width: 1px;
  height: 32px;
  background: linear-gradient(to bottom, var(--amg-red), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse { 0%,100% { opacity: 0.4; } 50% { opacity: 1; } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ─── Sections ───────────────────────────────────────────────────────────── */
.section { padding: 100px 0; }
.section-dark { background: var(--bg-dark); color: var(--text-primary); }
.section-light { background: var(--bg-light); color: var(--text-dark); }
.section-light .text-muted { color: var(--text-dark-muted); }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}
.section-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amg-red);
  margin-bottom: 16px;
  padding: 4px 12px;
  border: 1px solid rgba(204,0,0,0.3);
  border-radius: 100px;
}
.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.section-dark .section-header h2 { color: var(--text-primary); }
.section-light .section-header h2 { color: var(--text-dark); }
.section-intro {
  max-width: 680px;
  margin: 0 auto;
  font-size: 1.1rem;
  line-height: 1.7;
}
.section-dark .section-intro { color: var(--amg-silver-dim); }
.section-light .section-intro { color: var(--text-dark-muted); }

/* ─── Overview ───────────────────────────────────────────────────────────── */
.overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-bottom: 64px;
}
.overview-card {
  background: var(--bg-dark-2);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: border-color var(--transition), transform var(--transition);
}
.overview-card:hover {
  border-color: rgba(204,0,0,0.4);
  transform: translateY(-4px);
}
.overview-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}
.overview-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}
.overview-card p { color: var(--amg-silver-dim); font-size: 0.92rem; line-height: 1.65; }
.overview-who {
  background: var(--bg-dark-2);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.overview-who h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 28px;
  color: var(--text-primary);
}
.who-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.who-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9rem;
  line-height: 1.5;
}
.who-icon {
  font-size: 1rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}
.who-yes .who-icon { color: #22c55e; }
.who-no .who-icon { color: var(--amg-red); }
.who-yes { color: var(--amg-silver); }
.who-no { color: var(--amg-silver-dim); }

/* ─── Performance ────────────────────────────────────────────────────────── */
.perf-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 64px;
}
.engine-block {
  background: var(--bg-dark-2);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 40px;
  height: 100%;
}
.engine-header { margin-bottom: 28px; }
.engine-badge {
  display: inline-block;
  background: var(--amg-red);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  text-transform: uppercase;
}
.engine-header h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
}
.engine-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}
.espec { display: flex; flex-direction: column; gap: 4px; }
.espec-val {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--amg-red);
  letter-spacing: -0.02em;
}
.espec-label { font-size: 0.78rem; color: var(--text-muted); }
.engine-note { font-size: 0.88rem; color: var(--amg-silver-dim); line-height: 1.6; }

.perf-stats-col { display: flex; flex-direction: column; gap: 16px; }
.perf-stat-card {
  background: var(--bg-dark-2);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: border-color var(--transition);
}
.perf-stat-card:hover { border-color: rgba(204,0,0,0.3); }
.perf-bar-wrap { display: flex; flex-direction: column; gap: 10px; }
.perf-stat-top { display: flex; justify-content: space-between; align-items: baseline; }
.perf-label { font-size: 0.85rem; color: var(--amg-silver-dim); }
.perf-val {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}
.perf-bar {
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: 2px;
  overflow: hidden;
}
.perf-bar-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--amg-red), #ff4444);
  border-radius: 2px;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.perf-context { font-size: 0.75rem; color: var(--text-muted); }

.drivetrain-section { margin-bottom: 48px; }
.drivetrain-section h3, .modes-section h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 24px;
  color: var(--text-dark);
}
.section-light .drivetrain-section h3, .section-light .modes-section h3 { color: var(--text-dark); }
.section-dark .drivetrain-section h3, .section-dark .modes-section h3 { color: var(--text-primary); }

.drivetrain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}
.dt-card {
  background: var(--bg-light-2);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.dt-card:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.12);
  transform: translateY(-3px);
}
.dt-icon { font-size: 1.5rem; margin-bottom: 12px; }
.dt-card h4 { font-size: 0.95rem; font-weight: 600; color: var(--text-dark); margin-bottom: 8px; }
.dt-card p { font-size: 0.85rem; color: var(--text-dark-muted); line-height: 1.6; }

.modes-table { border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--border-light); }
.mode-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr 1fr 1.5fr;
  gap: 0;
}
.mode-row > span {
  padding: 12px 16px;
  font-size: 0.82rem;
  border-bottom: 1px solid var(--border-light);
  border-right: 1px solid var(--border-light);
}
.mode-row > span:last-child { border-right: none; }
.mode-header { background: var(--text-dark); }
.mode-header > span { color: #fff; font-weight: 600; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; }
.mode-row:not(.mode-header) { background: var(--bg-light-2); }
.mode-row:not(.mode-header):nth-child(even) { background: var(--bg-light); }
.mode-row:not(.mode-header) > span { color: var(--text-dark-muted); }
.mode-name { font-weight: 600 !important; }
.slippery { color: #0066cc !important; }
.comfort { color: #22c55e !important; }
.sport { color: #f59e0b !important; }
.sportp { color: #f97316 !important; }
.race { color: var(--amg-red) !important; }

/* ─── Design ─────────────────────────────────────────────────────────────── */
.design-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  margin-bottom: 64px;
}
.design-feature {
  border-top: 2px solid var(--border-dark);
  padding-top: 24px;
  transition: border-color var(--transition);
}
.design-feature:hover { border-color: var(--amg-red); }
.design-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 900;
  color: rgba(204,0,0,0.2);
  margin-bottom: 8px;
  letter-spacing: -0.04em;
}
.design-feature h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.design-feature p { font-size: 0.88rem; color: var(--amg-silver-dim); line-height: 1.65; }

.colours-section {
  background: var(--bg-dark-2);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.colours-section h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 28px;
}
.colours-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}
.colour-swatch { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.swatch {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
  transition: transform var(--transition);
}
.colour-swatch:hover .swatch { transform: scale(1.1); }
.colour-name { font-size: 0.82rem; font-weight: 500; color: var(--text-primary); text-align: center; }
.colour-type { font-size: 0.72rem; color: var(--text-muted); text-align: center; }
.colour-note { font-size: 0.8rem; color: var(--text-muted); line-height: 1.6; }

/* ─── Interior ───────────────────────────────────────────────────────────── */
.interior-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  margin-bottom: 64px;
}
.int-feature {
  background: var(--bg-light-2);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.int-feature:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
  transform: translateY(-4px);
}
.int-icon { font-size: 1.8rem; margin-bottom: 16px; }
.int-feature h3 { font-family: var(--font-display); font-size: 1rem; font-weight: 600; color: var(--text-dark); margin-bottom: 10px; }
.int-feature p { font-size: 0.86rem; color: var(--text-dark-muted); line-height: 1.65; }
.practicality-section {
  background: var(--text-dark);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.practicality-section h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 28px;
}
.prac-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 20px;
}
.prac-item { display: flex; flex-direction: column; gap: 6px; }
.prac-val {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--amg-red);
  letter-spacing: -0.02em;
}
.prac-label { font-size: 0.78rem; color: var(--amg-silver-dim); text-transform: uppercase; letter-spacing: 0.05em; }

/* ─── Tech Tabs ──────────────────────────────────────────────────────────── */
.tech-tabs { }
.tab-buttons {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border-dark);
  margin-bottom: 40px;
  overflow-x: auto;
  scrollbar-width: none;
}
.tab-buttons::-webkit-scrollbar { display: none; }
.tab-btn {
  padding: 14px 28px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--amg-silver-dim);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { color: var(--amg-red); border-bottom-color: var(--amg-red); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.tech-item {
  background: var(--bg-dark-2);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: border-color var(--transition);
}
.tech-item:hover { border-color: rgba(204,0,0,0.3); }
.tech-item h4 { font-family: var(--font-display); font-size: 0.95rem; font-weight: 600; color: var(--text-primary); margin-bottom: 10px; }
.tech-item p { font-size: 0.85rem; color: var(--amg-silver-dim); line-height: 1.65; }

/* ─── Specs ──────────────────────────────────────────────────────────────── */
.spec-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--border-light);
  margin-bottom: 32px;
}
.spec-tab {
  padding: 12px 24px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dark-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--transition);
}
.spec-tab.active { color: var(--amg-red); border-bottom-color: var(--amg-red); }
.spec-panel { display: none; }
.spec-panel.active { display: block; }
.spec-table { display: flex; flex-direction: column; gap: 32px; }
.spec-group { }
.spec-group-title {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amg-red);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-light);
}
.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-light);
  gap: 16px;
}
.spec-row span:first-child { font-size: 0.88rem; color: var(--text-dark-muted); flex-shrink: 0; }
.spec-row span:last-child { font-size: 0.88rem; color: var(--text-dark); font-weight: 500; text-align: right; }

/* ─── Pricing ────────────────────────────────────────────────────────────── */
.pricing-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 64px;
}
.price-card {
  background: var(--bg-dark-2);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 36px;
  position: relative;
  transition: border-color var(--transition), transform var(--transition);
}
.price-card:hover { border-color: rgba(204,0,0,0.3); transform: translateY(-4px); }
.price-card-featured {
  border-color: var(--amg-red);
  background: linear-gradient(135deg, #1a0000 0%, var(--bg-dark-2) 100%);
}
.price-card-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--amg-red);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 100px;
  white-space: nowrap;
}
.price-card-header { margin-bottom: 16px; }
.price-card-header h3 { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; color: var(--text-primary); }
.price-body { font-size: 0.8rem; color: var(--amg-silver-dim); }
.price-amount {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 900;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  margin-bottom: 4px;
}
.price-note { font-size: 0.75rem; color: var(--text-muted); margin-bottom: 24px; }
.price-includes { display: flex; flex-direction: column; gap: 8px; }
.price-includes li {
  font-size: 0.85rem;
  color: var(--amg-silver-dim);
  padding-left: 16px;
  position: relative;
}
.price-includes li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #22c55e;
  font-size: 0.75rem;
  top: 1px;
}

.options-section h3, .pcp-section h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 24px;
}
.options-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 64px;
}
.option-item {
  background: var(--bg-dark-2);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: 20px;
}
.option-price {
  display: block;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--amg-red);
  margin-bottom: 4px;
}
.option-name { display: block; font-weight: 600; color: var(--text-primary); font-size: 0.9rem; margin-bottom: 8px; }
.option-item p { font-size: 0.82rem; color: var(--amg-silver-dim); line-height: 1.6; }

.pcp-card {
  background: var(--bg-dark-2);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 32px;
}
.pcp-row {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-dark);
  font-size: 0.9rem;
}
.pcp-row span:first-child { color: var(--amg-silver-dim); }
.pcp-row span:last-child { color: var(--text-primary); font-weight: 500; }
.pcp-highlight span { color: var(--text-primary) !important; font-weight: 700 !important; }
.pcp-highlight span:last-child { color: var(--amg-red) !important; font-size: 1.1rem; }
.pcp-note { font-size: 0.78rem; color: var(--text-muted); margin-top: 16px; line-height: 1.6; }

.bik-card {
  background: var(--bg-dark-3);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 32px;
}
.bik-card h4 { font-family: var(--font-display); font-size: 1rem; font-weight: 600; color: var(--text-primary); margin-bottom: 16px; }
.bik-content p { font-size: 0.88rem; color: var(--amg-silver-dim); line-height: 1.6; margin-bottom: 16px; }
.bik-content strong { color: var(--text-primary); }
.bik-calc { background: var(--bg-dark-2); border-radius: var(--radius-md); padding: 20px; margin: 16px 0; }
.bik-row { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--border-dark); font-size: 0.85rem; }
.bik-row:last-child { border-bottom: none; }
.bik-row span:first-child { color: var(--amg-silver-dim); }
.bik-row span:last-child { color: var(--text-primary); font-weight: 500; }
.bik-note { font-size: 0.78rem; color: var(--text-muted) !important; }

/* ─── Ownership ──────────────────────────────────────────────────────────── */
.ownership-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin-bottom: 64px; }
.own-section h3 { font-family: var(--font-display); font-size: 1.2rem; font-weight: 600; color: var(--text-dark); margin-bottom: 24px; }
.running-costs { display: flex; flex-direction: column; gap: 20px; }
.rc-item { display: flex; gap: 16px; background: var(--bg-light-2); border: 1px solid var(--border-light); border-radius: var(--radius-md); padding: 20px; }
.rc-icon { font-size: 1.4rem; flex-shrink: 0; }
.rc-detail h4 { font-size: 0.92rem; font-weight: 600; color: var(--text-dark); margin-bottom: 6px; }
.rc-detail p { font-size: 0.82rem; color: var(--text-dark-muted); line-height: 1.6; }

.checklist { display: flex; flex-direction: column; gap: 16px; }
.check-item { display: flex; gap: 16px; align-items: flex-start; background: var(--bg-light-2); border: 1px solid var(--border-light); border-radius: var(--radius-md); padding: 20px; transition: box-shadow var(--transition); }
.check-item:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.08); }
.check-box { font-size: 1.2rem; color: var(--text-dark-muted); flex-shrink: 0; cursor: pointer; }
.check-text h4 { font-size: 0.9rem; font-weight: 600; color: var(--text-dark); margin-bottom: 4px; }
.check-text p { font-size: 0.8rem; color: var(--text-dark-muted); line-height: 1.55; }

.tips-section h3 { font-family: var(--font-display); font-size: 1.2rem; font-weight: 600; color: var(--text-dark); margin-bottom: 24px; }
.tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.tip-card {
  background: var(--bg-light-2);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  position: relative;
  transition: box-shadow var(--transition), transform var(--transition);
}
.tip-card:hover { box-shadow: 0 6px 24px rgba(0,0,0,0.1); transform: translateY(-3px); }
.tip-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  color: rgba(204,0,0,0.15);
  position: absolute;
  top: 16px;
  right: 20px;
}
.tip-card h4 { font-size: 0.92rem; font-weight: 600; color: var(--text-dark); margin-bottom: 10px; }
.tip-card p { font-size: 0.83rem; color: var(--text-dark-muted); line-height: 1.65; }

/* ─── Compare ────────────────────────────────────────────────────────────── */
.compare-group-label {
  margin-bottom: 24px;
}
.compare-group-label p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-top: 8px;
}
.compare-group-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amg-red);
  border: 1px solid rgba(204,0,0,0.35);
  border-radius: 3px;
  padding: 3px 10px;
}
.compare-group-label-wild { margin-top: 56px; }
.compare-group-tag-wild {
  color: #b07d2e;
  border-color: rgba(176,125,46,0.4);
}

.compare-table {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-dark);
  margin-bottom: 48px;
}
/* Performance rivals table: label + A35 + 5 rivals + A45 = 8 cols */
.compare-table .compare-header,
.compare-table .compare-row {
  display: grid;
  grid-template-columns: 160px repeat(6, 1fr);
  min-width: 760px;
}
/* Wildcard table: label + A35 + Discovery = 3 cols */
.compare-table-wild .compare-header,
.compare-table-wild .compare-row {
  grid-template-columns: 160px 1fr 1fr;
  min-width: 480px;
}
.compare-header { background: #111; }
.compare-col {
  padding: 16px;
  border-right: 1px solid var(--border-dark);
  border-bottom: 1px solid var(--border-dark);
  font-size: 0.83rem;
  line-height: 1.4;
  display: flex;
  align-items: center;
}
.compare-col:last-child { border-right: none; }
.compare-header .compare-col {
  font-weight: 700;
  font-size: 0.8rem;
  text-align: center;
  color: var(--amg-silver);
  flex-direction: column;
  justify-content: center;
  gap: 2px;
}
.compare-header .compare-col span { font-size: 0.7rem; font-weight: 400; color: var(--text-muted); }
.compare-col-label { font-weight: 600; color: var(--amg-silver-dim); font-size: 0.8rem; }
.compare-col-amg { background: rgba(204,0,0,0.07); }
.compare-col-a45 { background: rgba(204,0,0,0.04); color: var(--amg-silver-dim); }
.compare-header .compare-col-a45 { color: rgba(204,0,0,0.8); }
.compare-col-disco { background: rgba(176,125,46,0.05); }
.compare-header .compare-col-disco { color: #b07d2e; }
.compare-col-ninja { background: rgba(26,140,42,0.06); }
.compare-header .compare-col-ninja { color: #1a8c2a; }
.verdict-card-ninja { border-left-color: #1a8c2a; }
.compare-col.highlight { font-weight: 600; color: var(--text-primary); }
.compare-row:nth-child(even) { background: rgba(255,255,255,0.02); }
.compare-row:not(.compare-header) .compare-col { color: var(--amg-silver-dim); }
.compare-verdict { background: rgba(255,255,255,0.03) !important; }
.compare-verdict .compare-col { align-items: flex-start; font-size: 0.78rem; line-height: 1.5; }
.verdict-text { color: var(--text-muted) !important; font-style: italic; }

.verdict-section { }
.verdict-card {
  background: var(--bg-dark-2);
  border: 1px solid var(--border-dark);
  border-left: 4px solid var(--amg-red);
  border-radius: var(--radius-md);
  padding: 36px;
  margin-bottom: 0;
}
.verdict-card-wild {
  border-left-color: #b07d2e;
}
.verdict-card h3 { font-family: var(--font-display); font-size: 1.2rem; font-weight: 600; color: var(--text-primary); margin-bottom: 16px; }
.verdict-card p { font-size: 0.92rem; color: var(--amg-silver-dim); line-height: 1.7; margin-bottom: 12px; }
.verdict-card p:last-child { margin-bottom: 0; }
.verdict-card strong { color: var(--text-primary); }

/* ─── Buying ─────────────────────────────────────────────────────────────── */
.buying-grid { display: flex; flex-direction: column; gap: 48px; }
.buying-section h3 { font-family: var(--font-display); font-size: 1.2rem; font-weight: 600; color: var(--text-dark); margin-bottom: 24px; }
.nvs-comparison { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.nvs-col {
  background: var(--bg-light-2);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
}
.nvs-title { font-size: 0.95rem; font-weight: 700; margin-bottom: 16px; }
.nvs-new { color: var(--amg-red); }
.nvs-used { color: #1a6b3a; }
.nvs-col ul { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.nvs-col li { font-size: 0.85rem; color: var(--text-dark-muted); padding-left: 16px; position: relative; }
.nvs-col li::before { content: '→'; position: absolute; left: 0; color: var(--text-dark-muted); }
.nvs-downside { font-size: 0.8rem; color: var(--text-dark-muted); background: var(--bg-light); padding: 12px; border-radius: var(--radius-sm); }

.tips-list { display: flex; flex-direction: column; gap: 20px; }
.tip-item { display: flex; gap: 16px; align-items: flex-start; }
.tip-number {
  width: 36px;
  height: 36px;
  background: var(--amg-red);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.tip-item h4 { font-size: 0.9rem; font-weight: 600; color: var(--text-dark); margin-bottom: 4px; }
.tip-item p { font-size: 0.83rem; color: var(--text-dark-muted); line-height: 1.6; }

.checks-list { display: flex; flex-direction: column; gap: 16px; }
.check-row { display: flex; gap: 16px; align-items: flex-start; }
.check-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  flex-shrink: 0;
}
.check-icon.good { background: rgba(34,197,94,0.15); color: #22c55e; }
.check-icon.warn { background: rgba(245,158,11,0.15); color: #f59e0b; }
.check-row h4 { font-size: 0.9rem; font-weight: 600; color: var(--text-dark); margin-bottom: 4px; }
.check-row p { font-size: 0.82rem; color: var(--text-dark-muted); line-height: 1.6; }

/* ─── FAQ ────────────────────────────────────────────────────────────────── */
.faq-list { display: flex; flex-direction: column; gap: 2px; }
.faq-item {
  border-bottom: 1px solid var(--border-dark);
  overflow: hidden;
}
.faq-q {
  width: 100%;
  text-align: left;
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: color var(--transition);
}
.faq-q:hover { color: var(--amg-red); }
.faq-q[aria-expanded="true"] { color: var(--amg-red); }
.faq-arrow {
  font-size: 1.1rem;
  transition: transform var(--transition);
  flex-shrink: 0;
  color: var(--amg-red);
}
.faq-q[aria-expanded="true"] .faq-arrow { transform: rotate(180deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease;
  padding: 0 0;
}
.faq-a.open {
  max-height: 600px;
  padding-bottom: 24px;
}
.faq-a p { font-size: 0.9rem; color: var(--amg-silver-dim); line-height: 1.75; margin-bottom: 12px; }
.faq-a p:last-child { margin-bottom: 0; }

/* ─── Footer ─────────────────────────────────────────────────────────────── */
.footer {
  background: #050505;
  border-top: 1px solid var(--border-dark);
  padding: 60px 0 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border-dark);
  flex-wrap: wrap;
}
.footer-brand { flex: 0 0 auto; }
.footer-logo { font-family: var(--font-display); font-size: 1.3rem; font-weight: 700; letter-spacing: -0.01em; }
.footer-tagline { font-size: 0.82rem; color: var(--text-muted); margin-top: 8px; }
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  flex: 1;
  max-width: 600px;
}
.footer-links a { font-size: 0.83rem; color: var(--amg-silver-dim); transition: color var(--transition); }
.footer-links a:hover { color: var(--amg-red); }
.footer-bottom {
  padding: 24px 0;
}
.footer-bottom p {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.65;
}
.footer-bottom a { color: var(--amg-red); }

/* ─── Back to top ────────────────────────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  background: var(--amg-red);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(204,0,0,0.4);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--transition), transform var(--transition);
  z-index: 900;
}
.back-to-top.visible { opacity: 1; transform: none; }
.back-to-top:hover { background: #e60000; transform: translateY(-2px); }

/* ─── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-dark-2);
    padding: 24px;
    gap: 4px;
    overflow-y: auto;
    z-index: 999;
  }
  .nav-links.open .nav-link { padding: 14px 16px; font-size: 1rem; }
  .nav-hamburger { display: flex; }

  .hero-stats { flex-wrap: wrap; gap: 8px; }
  .hero-stat-divider { display: none; }
  .hero-stat { padding: 12px 16px; }

  .perf-grid { grid-template-columns: 1fr; }
  .mode-row { grid-template-columns: repeat(3, 1fr); }
  .mode-row > span:nth-child(4), .mode-row > span:nth-child(5) { display: none; }

  .who-grid { grid-template-columns: 1fr; }
  .ownership-grid { grid-template-columns: 1fr; }
  .nvs-comparison { grid-template-columns: 1fr; }

  .compare-table .compare-header,
  .compare-table .compare-row {
    grid-template-columns: 120px repeat(6, 1fr);
  }
  .compare-table-wild .compare-header,
  .compare-table-wild .compare-row {
    grid-template-columns: 120px 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .section { padding: 64px 0; }
  .hero-title { font-size: clamp(3rem, 15vw, 5rem); }
  .section-header { margin-bottom: 40px; }
  .pricing-cards { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; }
  .back-to-top { bottom: 20px; right: 20px; }
  .design-features { grid-template-columns: 1fr; }
  .colours-grid { grid-template-columns: repeat(3, 1fr); }
  .prac-grid { grid-template-columns: repeat(3, 1fr); }
  .mode-row { grid-template-columns: 1fr 1fr 1fr; }
  .mode-row > span:nth-child(4),
  .mode-row > span:nth-child(5),
  .mode-row > span:nth-child(6) { display: none; }
}