/* ============================================================
   Emperor Aluminium Trailers — Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@600;700;800&family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* Colour tokens */
  --bg: #0a0b0d;
  --bg-elevated: #15171b;
  --bg-elevated-2: #1d2025;
  --fg: #f3f4f6;
  --fg-muted: #9aa1ab;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.18);

  --accent: #3b74f0;
  --accent-hover: #5786f5;
  --accent-foreground: #ffffff;
  --accent-soft: rgba(59, 116, 240, 0.14);

  --danger: #ef4444;
  --success: #22c55e;

  --chrome-gradient: linear-gradient(180deg, #fbfbfc 0%, #d9dbdf 42%, #85898f 50%, #d9dbdf 58%, #fbfbfc 100%);

  /* Typography */
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  /* Spacing scale (8pt) */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;
  --space-7: 6rem;
  --space-8: 8rem;

  /* Layout */
  --container-max: 1280px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 150ms;
  --duration-base: 250ms;
  --duration-slow: 400ms;

  color-scheme: dark;
}

/* ============================================================
   Reset
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  line-height: 1.05;
  margin: 0;
}

p { margin: 0; }

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

button {
  font-family: inherit;
  cursor: pointer;
}

ul { margin: 0; padding: 0; list-style: none; }

svg { display: block; flex-shrink: 0; }

/* Focus visibility (accessibility) */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

.chrome-text {
  background: var(--chrome-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-3);
}

@media (min-width: 768px) {
  .container { padding-inline: var(--space-4); }
}

.eyebrow {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.8rem;
  color: var(--accent);
}

/* ============================================================
   Buttons
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  min-height: 48px;
  padding: 0 1.75rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 1rem;
  border: 1px solid transparent;
  transition: background var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out),
              transform var(--duration-fast) var(--ease-out);
  white-space: nowrap;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--accent);
  color: var(--accent-foreground);
}
.btn-primary:hover { background: var(--accent-hover); }

.btn-outline {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--fg);
}
.btn-outline:hover { border-color: var(--accent); background: var(--accent-soft); }

.btn-block { width: 100%; }

/* ============================================================
   Header / Nav
   ============================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 11, 13, 0.97);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-3);
  height: 76px;
}

.brand { justify-self: start; min-width: 0; }
.brand img { height: 40px; width: auto; max-width: none; flex-shrink: 0; }

.main-nav {
  display: flex;
  justify-content: center;
}

.main-nav ul {
  display: flex;
  gap: var(--space-4);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  justify-self: end;
}

.main-nav a:not(.btn) {
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.95rem;
  color: var(--fg-muted);
  transition: color var(--duration-base) var(--ease-out);
  padding: var(--space-1) 0;
}
.main-nav a:not(.btn):hover,
.main-nav a:not(.btn).is-active { color: var(--fg); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--fg);
  padding: 0.5rem;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

@media (max-width: 480px) {
  .brand img { height: 28px; }

  .header-actions { gap: var(--space-1); }

  .header-actions .btn-primary {
    padding: 0 0.9rem;
    font-size: 0.82rem;
    min-height: 40px;
  }
}

@media (max-width: 360px) {
  .brand img { height: 22px; }

  .header-actions .btn-primary {
    padding: 0 0.65rem;
    font-size: 0.76rem;
  }
}

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }

  .main-nav {
    position: fixed;
    inset: 76px 0 0 0;
    background: var(--bg);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-4) var(--space-3);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--duration-base) var(--ease-out),
                transform var(--duration-base) var(--ease-out),
                visibility var(--duration-base);
  }

  .main-nav.is-open {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .main-nav ul a {
    display: block;
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--border);
    font-size: 1.1rem;
  }
}

/* ============================================================
   Hero
   ============================================================ */

.hero {
  position: relative;
  min-height: 92dvh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  isolation: isolate;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  background: var(--bg);
}

.hero-media-sharp {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(0deg, var(--bg) 0%, rgba(10,11,13,0.55) 42%, rgba(10,11,13,0.35) 65%, rgba(10,11,13,0.75) 100%);
  z-index: -1;
}

.hero-content {
  padding-block: var(--space-7) var(--space-6);
  max-width: 760px;
}

.hero h1 {
  font-size: clamp(2.75rem, 8vw, 5.25rem);
  color: var(--fg);
}

.hero-sub {
  margin-top: var(--space-3);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--fg-muted);
  max-width: 46ch;
}

.hero-actions {
  margin-top: var(--space-4);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.hero-stats {
  margin-top: var(--space-6);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  border-top: 1px solid var(--border);
  padding-top: var(--space-3);
  max-width: 640px;
}

@media (max-width: 560px) {
  .hero-stats {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }
}

.hero-stats .stat-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.6rem;
}

.hero-stats .stat-label {
  font-size: 0.8rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ============================================================
   Section shell
   ============================================================ */

section { padding-block: var(--space-7); }

.section-head {
  max-width: 640px;
  margin-bottom: var(--space-5);
}

.section-head h2 {
  margin-top: var(--space-1);
  font-size: clamp(2rem, 4.5vw, 3rem);
}

.section-head p {
  margin-top: var(--space-2);
  color: var(--fg-muted);
  font-size: 1.05rem;
}

/* ============================================================
   Features
   ============================================================ */

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: var(--space-3);
}

.feature-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

.feature-card .icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-3);
}

.feature-card h3 {
  font-size: 1.15rem;
  text-transform: none;
  letter-spacing: normal;
}

.feature-card p {
  margin-top: var(--space-1);
  color: var(--fg-muted);
  font-size: 0.96rem;
}

/* ============================================================
   Trailers / Pricing
   ============================================================ */

.trailers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: var(--space-3);
}

.trailer-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: border-color var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-out);
}

.trailer-card:hover {
  border-color: var(--border-strong);
  transform: translateY(-4px);
}

.trailer-card .media {
  aspect-ratio: 4 / 3;
  background: #f4f5f6;
  overflow: hidden;
}

.trailer-card .media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 0.4rem;
}

.trailer-card .body {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}

.trailer-card .tag {
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
}

.trailer-card .tag-danger {
  color: var(--danger);
  background: rgba(239, 68, 68, 0.14);
}

.trailer-card h3 {
  font-size: 1.5rem;
  text-transform: none;
  letter-spacing: normal;
  font-weight: 700;
}

.trailer-title-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.preorder-badge {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  white-space: nowrap;
}

.trailer-card .specs {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.9rem;
  color: var(--fg-muted);
}

.trailer-card .specs li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.trailer-card .specs svg {
  color: var(--accent);
  width: 16px;
  height: 16px;
}

.trailer-card .price-row {
  margin-top: auto;
  padding-top: var(--space-2);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.trailer-card .price {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.9rem;
}

.trailer-card .price-from {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--fg-muted);
  display: block;
}

.trailer-card .price-gst {
  margin-left: 0.4rem;
  font-size: 0.72rem;
  font-weight: 400;
  font-family: var(--font-body);
  color: var(--fg-muted);
}

.trailer-card .btn { width: 100%; }

.trailers-note {
  margin-top: var(--space-3);
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* ============================================================
   Story
   ============================================================ */

.story {
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.story .container {
  display: grid;
  gap: var(--space-5);
  align-items: center;
}

@media (min-width: 900px) {
  .story .container { grid-template-columns: 1fr 1fr; }
}

.story figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
}

.story-media {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--bg);
}

.story-media-blur,
.story-media-sharp {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.story-media-blur {
  object-fit: cover;
  filter: blur(40px) brightness(0.45) saturate(1.05);
  transform: scale(1.15);
}

.story-media-sharp {
  object-fit: contain;
}

.story p {
  margin-top: var(--space-2);
  color: var(--fg-muted);
  font-size: 1.05rem;
}

.story p + p { margin-top: var(--space-2); }

.story .story-specs-heading {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border);
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.95rem;
  color: var(--fg);
}

.story-specs {
  margin-top: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.story-specs li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.96rem;
  color: var(--fg-muted);
}

.story-specs svg {
  color: var(--accent);
  width: 16px;
  height: 16px;
  margin-top: 0.2rem;
  flex-shrink: 0;
}

/* ============================================================
   CTA banner
   ============================================================ */

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

.cta-banner .container {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-3);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.cta-banner h2 { font-size: clamp(2rem, 5vw, 3rem); max-width: 20ch; }

.cta-banner .contact-line {
  color: var(--fg-muted);
  font-size: 0.95rem;
}

.cta-banner .contact-line a { color: var(--fg); text-decoration: underline; text-underline-offset: 3px; }

/* ============================================================
   Footer
   ============================================================ */

.site-footer {
  border-top: 1px solid var(--border);
  padding-block: var(--space-6) var(--space-4);
}

.footer-grid {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 768px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
}

.footer-brand img { height: 28px; width: auto; max-width: none; margin-bottom: var(--space-2); }

.footer-brand p {
  color: var(--fg-muted);
  font-size: 0.9rem;
  max-width: 32ch;
}

.footer-col h4 {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--fg-muted);
  margin-bottom: var(--space-2);
}

.footer-col ul { display: flex; flex-direction: column; gap: 0.6rem; }

.footer-col a {
  font-size: 0.95rem;
  color: var(--fg);
}
.footer-col a:hover { color: var(--accent); }

.social-row {
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.social-row a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--duration-base) var(--ease-out), border-color var(--duration-base) var(--ease-out);
}
.social-row a:hover { background: var(--accent-soft); border-color: var(--accent); }

.footer-bottom {
  margin-top: var(--space-6);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--fg-muted);
}

/* ============================================================
   Enquiry / quote page
   ============================================================ */

.page-hero {
  padding-top: var(--space-7);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border);
}

.page-hero .eyebrow { display: block; margin-bottom: var(--space-1); }

.page-hero h1 { font-size: clamp(2.25rem, 6vw, 3.5rem); }

.page-hero p {
  margin-top: var(--space-2);
  color: var(--fg-muted);
  max-width: 60ch;
  font-size: 1.05rem;
}

.enquiry-layout {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 960px) {
  .enquiry-layout { grid-template-columns: 1.4fr 1fr; align-items: start; }
}

.form-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

.form-row {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

@media (min-width: 560px) {
  .form-row.two-col { grid-template-columns: 1fr 1fr; }
}

.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.field .required { color: var(--accent); }

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 48px;
  padding: 0.7rem 0.9rem;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--duration-base) var(--ease-out);
}

.field input::placeholder,
.field textarea::placeholder { color: var(--fg-muted); }

.field input:focus,
.field select:focus,
.field textarea:focus { border-color: var(--accent); }

.field textarea { min-height: 120px; resize: vertical; }

.field-hint {
  margin-top: 0.35rem;
  font-size: 0.8rem;
  color: var(--fg-muted);
}

.honeypot-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-footer {
  margin-top: var(--space-2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.form-footer p {
  font-size: 0.82rem;
  color: var(--fg-muted);
}

.info-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.info-row {
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
}

.info-row .icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.info-row h4 {
  font-size: 0.95rem;
  margin-bottom: 0.15rem;
}

.info-row p, .info-row a { font-size: 0.92rem; color: var(--fg-muted); }
.info-row a:hover { color: var(--accent); }

.contact-note {
  margin-top: var(--space-5);
  text-align: center;
  font-size: 0.9rem;
  color: var(--fg-muted);
}

.contact-note a {
  color: var(--fg);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.contact-note a:hover { color: var(--accent); }

/* Thanks page */
.thanks-hero {
  min-height: 70dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.thanks-hero .icon-circle {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-3);
}

.thanks-hero h1 { font-size: clamp(2rem, 5vw, 3rem); }
.thanks-hero p { margin-top: var(--space-2); color: var(--fg-muted); font-size: 1.05rem; }
.thanks-hero .btn { margin-top: var(--space-4); }

/* Utility */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: var(--space-2);
  top: -100px;
  background: var(--accent);
  color: var(--accent-foreground);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  z-index: 200;
  transition: top var(--duration-base) var(--ease-out);
  font-weight: 600;
}
.skip-link:focus { top: var(--space-2); }