:root {
  --bg: #312450;
  --bg-deep: #251b3f;
  --panel-a: #5e42a6;
  --panel-b: #493382;
  --panel-c: #5052b5;
  --panel-d: #b74e91;
  --surface: rgba(255, 255, 255, 0.08);
  --surface-strong: rgba(255, 255, 255, 0.14);
  --line: rgba(255, 255, 255, 0.12);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(233, 228, 245, 0.78);
  --shadow: 0 28px 70px rgba(12, 8, 24, 0.42);
  --font-display: "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif;
  --font-serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --font-body: "Avenir Next", "Trebuchet MS", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top right, rgba(183, 78, 145, 0.2), transparent 24rem),
    radial-gradient(circle at bottom left, rgba(80, 82, 181, 0.24), transparent 22rem),
    var(--bg);
  color: var(--text);
  font-family: var(--font-body);
}

a {
  color: inherit;
}

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

.site-shell {
  display: grid;
  min-height: 100vh;
  grid-template-columns: minmax(16rem, 18rem) 1fr;
}

.sidebar {
  position: sticky;
  top: 0;
  display: flex;
  min-height: 100vh;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background:
    linear-gradient(180deg, rgba(49, 36, 80, 0.98), rgba(42, 31, 69, 0.96)),
    var(--bg-deep);
  border-right: 1px solid var(--line);
}

.sidebar__inner {
  width: min(100%, 12rem);
}

.sidebar__eyebrow,
.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--muted);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-size: 0.74rem;
}

.sidebar h1,
.panel h2,
.panel h3,
.car-card h4 {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: -0.03em;
}

.sidebar h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 0.95;
}

.sidebar__nav {
  display: grid;
  gap: 0.9rem;
  margin-top: 2rem;
}

.sidebar__nav a {
  padding: 0.9rem 0;
  border-top: 1px solid var(--line);
  color: rgba(255, 255, 255, 0.62);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  transition: color 140ms ease, transform 140ms ease;
}

.sidebar__nav a:last-child {
  border-bottom: 1px solid var(--line);
}

.sidebar__nav a:hover {
  color: white;
  transform: translateX(4px);
}

.panels {
  display: grid;
}

.panel {
  position: relative;
  padding: clamp(2rem, 4vw, 4.5rem);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
  animation: fade-up 680ms ease both;
}

.panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.06), transparent 58%);
}

.panel--hero {
  display: grid;
  gap: 2.4rem;
  align-items: center;
  grid-template-columns: minmax(18rem, 1fr) minmax(18rem, 34rem);
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(94, 66, 166, 0.88), rgba(73, 51, 130, 0.95)),
    var(--panel-a);
}

.panel--story {
  background:
    linear-gradient(135deg, rgba(80, 82, 181, 0.88), rgba(60, 75, 153, 0.94)),
    var(--panel-c);
}

.panel--garage {
  background:
    linear-gradient(135deg, rgba(183, 78, 145, 0.82), rgba(94, 66, 166, 0.96)),
    var(--panel-d);
}

.panel--cta {
  background:
    linear-gradient(135deg, rgba(73, 51, 130, 0.95), rgba(49, 36, 80, 0.98)),
    var(--panel-b);
}

.panel__copy {
  position: relative;
  z-index: 1;
  max-width: 42rem;
}

.panel h2 {
  font-size: clamp(2.7rem, 6vw, 4.9rem);
  line-height: 0.96;
}

.panel h3 {
  font-size: clamp(2rem, 4vw, 3.1rem);
  line-height: 1;
}

.lead {
  margin: 1.3rem 0 0;
  font-size: 1.16rem;
  line-height: 1.8;
  color: var(--text);
}

.panel p {
  position: relative;
  z-index: 1;
  max-width: 42rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--muted);
}

.panel__media {
  position: relative;
  z-index: 1;
}

.panel__media img {
  border-radius: 1.5rem;
  box-shadow: var(--shadow);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3.25rem;
  padding: 0.9rem 1.5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 700;
  transition: transform 140ms ease, background 140ms ease, border-color 140ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button--primary {
  background: white;
  color: var(--bg-deep);
}

.button--ghost {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--line);
  color: white;
}

.story-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2rem;
  align-items: start;
  grid-template-columns: minmax(18rem, 1.2fr) minmax(16rem, 0.8fr);
}

.quote-card {
  margin: 0;
  padding: 1.8rem;
  border-radius: 1.5rem;
  background: rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow);
}

.quote-card p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.35rem;
  line-height: 1.6;
  color: white;
}

.stats,
.car-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1.2rem;
  margin-top: 2.5rem;
}

.stats {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stat-card,
.car-card,
.cta-box {
  border: 1px solid var(--line);
  border-radius: 1.45rem;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.stat-card {
  padding: 1.4rem;
}

.stat-card strong,
.car-card__brand {
  display: block;
  color: white;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.88rem;
}

.stat-card span {
  display: block;
  margin-top: 0.7rem;
  color: var(--muted);
  line-height: 1.7;
}

.section-heading {
  position: relative;
  z-index: 1;
  max-width: 48rem;
}

.car-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.car-card {
  padding: 1.5rem;
}

.car-card h4 {
  margin-top: 0.75rem;
  font-size: 1.55rem;
}

.car-card p {
  margin: 0.75rem 0 0;
}

.car-card--silver {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.16), rgba(211, 220, 238, 0.1));
}

.car-card--graphite {
  background: linear-gradient(135deg, rgba(35, 48, 74, 0.36), rgba(255, 255, 255, 0.08));
}

.car-card--red {
  background: linear-gradient(135deg, rgba(162, 43, 66, 0.36), rgba(255, 255, 255, 0.08));
}

.car-card--green {
  background: linear-gradient(135deg, rgba(48, 118, 86, 0.34), rgba(255, 255, 255, 0.08));
}

.cta-box {
  position: relative;
  z-index: 1;
  max-width: 52rem;
  padding: clamp(1.6rem, 3vw, 2.6rem);
}

.voucher-preview {
  margin-top: 1.5rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 1.35rem;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}

.voucher-preview img {
  width: 100%;
  height: auto;
}

.cta-box p:last-of-type {
  margin-bottom: 0;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .site-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: relative;
    min-height: auto;
    padding: 1.5rem 1.25rem;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .sidebar__inner {
    width: min(100%, 42rem);
  }

  .sidebar__nav {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.6rem;
  }

  .sidebar__nav a {
    padding: 0.85rem 0.6rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    text-align: center;
  }

  .panel--hero,
  .story-grid,
  .stats,
  .car-grid {
    grid-template-columns: 1fr;
  }

  .panel--hero {
    min-height: auto;
  }
}

@media (max-width: 640px) {
  .panel {
    padding: 1.35rem;
  }

  .sidebar__nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .panel h2 {
    font-size: 2.35rem;
  }

  .panel h3 {
    font-size: 1.85rem;
  }

  .quote-card p {
    font-size: 1.15rem;
  }

  .button {
    width: 100%;
  }
}