/* ============================================================
   RIVIERA AUTO — design system
   Palette:  ink        #0B1622   (midnight marine)
             ink-2      #0E1B2A
             steel      #16283C
             champagne  #C6A96C
             champagne+ #E8CB8F
             porcelain  #F4F2ED
             mist       #8A99AC
   Type:     Marcellus (display) / Jost (body & utility)
   ============================================================ */

:root {
  --ink: #0B1622;
  --ink-2: #0E1B2A;
  --steel: #16283C;
  --champagne: #C6A96C;
  --champagne-hi: #E8CB8F;
  --porcelain: #F4F2ED;
  --mist: #8A99AC;
  --line: rgba(198, 169, 108, 0.28);
  --display: 'Marcellus', 'Times New Roman', serif;
  --body: 'Jost', 'Segoe UI', sans-serif;
  --maxw: 1200px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--body);
  font-weight: 300;
  background: var(--ink);
  color: var(--porcelain);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(20px, 4vw, 40px); }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

::selection { background: var(--champagne); color: var(--ink); }

/* ---------- Typography ---------- */
h1, h2, h3 { font-family: var(--display); font-weight: 400; line-height: 1.12; letter-spacing: 0.015em; }
h1 { font-size: clamp(2.6rem, 7vw, 5.2rem); }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

.gold { color: var(--champagne); }

.eyebrow {
  font-family: var(--body);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--champagne);
  margin-bottom: 0.9rem;
}

.rule { display: flex; align-items: center; gap: 0; margin-top: 1.3rem; }
.rule::before, .rule::after { content: ''; height: 1px; background: var(--line); flex: 0 0 72px; }
.rule i { width: 7px; height: 7px; background: var(--champagne); transform: rotate(45deg); margin: 0 10px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--body); font-weight: 500; font-size: 0.78rem;
  letter-spacing: 0.22em; text-transform: uppercase;
  padding: 15px 32px; border: 1px solid transparent;
  transition: all 0.35s var(--ease); cursor: pointer;
}
.btn-gold { background: var(--champagne); color: var(--ink); }
.btn-gold:hover { background: var(--champagne-hi); transform: translateY(-2px); box-shadow: 0 14px 34px -12px rgba(198,169,108,.55); }
.btn-ghost { border-color: rgba(244,242,237,.4); color: var(--porcelain); }
.btn-ghost:hover { border-color: var(--champagne); color: var(--champagne); }
.btn-line { border-color: var(--line); color: var(--champagne); background: transparent; }
.btn-line:hover { background: var(--champagne); color: var(--ink); }
.btn-line svg { transition: transform .35s var(--ease); }
.btn-line:hover svg { transform: translateX(4px); }

.center { text-align: center; margin-top: 3rem; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  padding: 22px 0;
  transition: background .4s var(--ease), padding .4s var(--ease), box-shadow .4s;
}
.site-header.is-scrolled {
  background: rgba(11, 22, 34, 0.92);
  backdrop-filter: blur(14px);
  padding: 12px 0;
  box-shadow: 0 1px 0 var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; }

.brand { display: flex; align-items: center; gap: 12px; color: var(--champagne); }
.brand-mark { width: 38px; height: 38px; }
.brand-word { font-family: var(--display); font-size: 1.3rem; letter-spacing: 0.06em; color: var(--porcelain); }
.brand-word em { font-style: normal; color: var(--champagne); }

.nav-links { display: flex; align-items: center; gap: clamp(18px, 3vw, 40px); list-style: none; }
.nav-links a {
  font-size: 0.74rem; font-weight: 500; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--porcelain); position: relative; padding: 6px 0;
}
.nav-links a:not(.nav-cta)::after {
  content: ''; position: absolute; left: 0; bottom: 0; height: 1px; width: 0;
  background: var(--champagne); transition: width .35s var(--ease);
}
.nav-links a:not(.nav-cta):hover::after { width: 100%; }
.nav-cta { border: 1px solid var(--champagne); color: var(--champagne) !important; padding: 10px 20px !important; transition: all .3s; }
.nav-cta:hover { background: var(--champagne); color: var(--ink) !important; }

.nav-toggle { display: none; background: none; border: 0; width: 34px; height: 26px; position: relative; cursor: pointer; }
.nav-toggle span { position: absolute; left: 0; width: 100%; height: 1.5px; background: var(--champagne); transition: .35s var(--ease); }
.nav-toggle span:first-child { top: 7px; }
.nav-toggle span:last-child { bottom: 7px; }
.nav-toggle.is-open span:first-child { top: 12px; transform: rotate(45deg); }
.nav-toggle.is-open span:last-child { bottom: 12.5px; transform: rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100vh; display: flex; flex-direction: column; justify-content: center; overflow: hidden; }
.hero-slides { position: absolute; inset: 0; }
.hero-slide { position: absolute; inset: 0; opacity: 0; transition: opacity 2s var(--ease); }
.hero-slide.is-active { opacity: 1; }
.scene { width: 100%; height: 100%; }
.scene .drift { animation: drift 26s linear infinite alternate; }
@keyframes drift { from { transform: translateX(-14px); } to { transform: translateX(14px); } }
.hero-scrim {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(11,22,34,.62) 0%, rgba(11,22,34,.28) 45%, rgba(11,22,34,.86) 100%);
}

.hero-content { position: relative; z-index: 2; padding-top: 90px; }
.hero-title span { display: block; }
.hero-sub { max-width: 520px; margin: 1.6rem 0 2.4rem; font-size: 1.06rem; color: rgba(244,242,237,.85); }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-footer {
  position: relative; z-index: 2; display: flex; justify-content: space-between; align-items: center;
  padding-top: 4rem; padding-bottom: 2.2rem; width: 100%;
}
.hero-dots { display: flex; gap: 10px; }
.dot { width: 30px; height: 3px; border: 0; background: rgba(244,242,237,.25); cursor: pointer; transition: background .3s; padding: 0; }
.dot.is-active { background: var(--champagne); }
.scroll-hint { display: flex; align-items: center; gap: 10px; color: var(--mist); font-size: .72rem; letter-spacing: .28em; text-transform: uppercase; }
.scroll-hint svg { animation: bob 2.2s ease-in-out infinite; }
@keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(5px); } }

/* ---------- Ticker ---------- */
.ticker { border-block: 1px solid var(--line); overflow: hidden; background: var(--ink-2); padding: 16px 0; }
.ticker-track { display: flex; align-items: center; gap: 34px; width: max-content; animation: ticker 36s linear infinite; }
.ticker-track span { font-family: var(--display); font-size: 1rem; letter-spacing: 0.2em; color: var(--mist); white-space: nowrap; }
.ticker-track i { color: var(--champagne); font-style: normal; font-size: 0.55rem; }
@keyframes ticker { to { transform: translateX(-50%); } }

/* ---------- Sections ---------- */
.section { padding: clamp(70px, 10vw, 120px) 0; }
.section-dark { background: var(--ink-2); border-block: 1px solid rgba(198,169,108,.12); }
.section-head { text-align: center; margin-bottom: clamp(44px, 6vw, 70px); }
.section-head .rule { justify-content: center; }

/* ---------- Vehicle cards ---------- */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 28px; }

.car-card {
  background: var(--ink-2); border: 1px solid rgba(198,169,108,.14);
  overflow: hidden; transition: transform .45s var(--ease), border-color .45s, box-shadow .45s;
  display: flex; flex-direction: column;
}
.car-card:hover { transform: translateY(-6px); border-color: var(--line); box-shadow: 0 30px 60px -30px rgba(0,0,0,.8); }

.car-visual { position: relative; aspect-ratio: 16 / 9; overflow: hidden; }
.car-visual svg { width: 100%; height: 100%; transition: transform .8s var(--ease); }
.car-card:hover .car-visual svg { transform: scale(1.05); }
.car-badge {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  font-size: .62rem; font-weight: 500; letter-spacing: .26em; text-transform: uppercase;
  color: var(--ink); background: var(--champagne); padding: 6px 12px;
}

.car-body { padding: 26px 26px 28px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.car-year { font-size: .7rem; letter-spacing: .3em; color: var(--mist); text-transform: uppercase; }
.car-name { font-size: 1.28rem; }
.car-specs { display: flex; gap: 18px; margin: 12px 0 16px; flex-wrap: wrap; }
.car-specs span { font-size: .78rem; color: var(--mist); display: inline-flex; align-items: center; gap: 7px; }
.car-specs svg { width: 15px; height: 15px; stroke: var(--champagne); fill: none; stroke-width: 1.5; }
.car-foot { margin-top: auto; display: flex; justify-content: space-between; align-items: center; border-top: 1px solid rgba(198,169,108,.14); padding-top: 16px; }
.car-price { font-family: var(--display); font-size: 1.25rem; color: var(--champagne); }
.car-loc { font-size: .68rem; letter-spacing: .22em; text-transform: uppercase; color: var(--mist); }
.car-link { font-size: .72rem; font-weight: 500; letter-spacing: .22em; text-transform: uppercase; color: var(--champagne); display: inline-flex; align-items: center; gap: 8px; margin-top: 14px; }
.car-link:hover { color: var(--champagne-hi); }

/* ---------- Cities ---------- */
.city-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 28px; }
.city-card { border: 1px solid rgba(198,169,108,.16); background: var(--ink); transition: border-color .4s; }
.city-card:hover { border-color: var(--line); }
.city-art { width: 100%; height: auto; border-bottom: 1px solid rgba(198,169,108,.14); }
.city-body { padding: 30px; }
.city-tag { font-size: .72rem; letter-spacing: .28em; text-transform: uppercase; color: var(--champagne); margin: 4px 0 14px; }
.city-meta { list-style: none; margin: 18px 0 24px; display: grid; gap: 8px; font-size: .88rem; color: var(--mist); }
.city-meta strong { color: var(--porcelain); font-weight: 500; display: inline-block; min-width: 76px; }

/* ---------- Services ---------- */
.service-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 26px; }
.service { border: 1px solid rgba(198,169,108,.14); padding: 34px 30px; background: var(--ink-2); transition: transform .4s var(--ease), border-color .4s; }
.service:hover { transform: translateY(-4px); border-color: var(--line); }
.service .icon { width: 42px; height: 42px; stroke: var(--champagne); fill: none; stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 18px; }
.service h3 { margin-bottom: 10px; }
.service p { color: var(--mist); font-size: .92rem; }

/* ---------- Stats ---------- */
.stats { padding: clamp(50px, 7vw, 80px) 0; }
.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 30px; text-align: center; }
.stat-num { font-family: var(--display); font-size: clamp(2.4rem, 5vw, 3.6rem); color: var(--champagne); display: block; }
.stat-label { font-size: .74rem; letter-spacing: .22em; text-transform: uppercase; color: var(--mist); }

/* ---------- Quote ---------- */
.quote { max-width: 780px; margin: 0 auto; text-align: center; }
.quote-mark { width: 40px; height: 40px; color: var(--champagne); margin: 0 auto 22px; opacity: .8; }
.quote blockquote { font-family: var(--display); font-size: clamp(1.3rem, 2.6vw, 1.9rem); line-height: 1.5; }
.quote figcaption { margin-top: 20px; font-size: .78rem; letter-spacing: .26em; text-transform: uppercase; color: var(--mist); }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(120deg, var(--steel), var(--ink-2)); border-block: 1px solid var(--line); padding: clamp(50px, 7vw, 80px) 0; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.footer { padding: clamp(50px, 7vw, 80px) 0 0; background: #08101A; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 50px; }
.footer-brand p { color: var(--mist); font-size: .9rem; margin-top: 14px; max-width: 300px; }
.footer-col h4 { font-family: var(--body); font-size: .72rem; font-weight: 500; letter-spacing: .28em; text-transform: uppercase; color: var(--champagne); margin-bottom: 16px; }
.footer-col a { display: block; color: var(--mist); font-size: .9rem; margin-bottom: 9px; transition: color .3s; }
.footer-col a:hover { color: var(--champagne); }
.footer-col p { color: var(--mist); font-size: .9rem; }
.footer-base { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; border-top: 1px solid rgba(198,169,108,.12); padding-block: 22px; font-size: .74rem; letter-spacing: .12em; color: var(--mist); }

/* ---------- Page hero (inner pages) ---------- */
.page-hero { padding: 170px 0 80px; background: linear-gradient(180deg, var(--steel), var(--ink)); border-bottom: 1px solid var(--line); text-align: center; }
.page-hero p.lede { max-width: 560px; margin: 1.2rem auto 0; color: var(--mist); }

/* ---------- Inventory filters ---------- */
.filters { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-bottom: 48px; }
.chip {
  background: transparent; border: 1px solid rgba(198,169,108,.3); color: var(--mist);
  font-family: var(--body); font-size: .72rem; font-weight: 500; letter-spacing: .2em; text-transform: uppercase;
  padding: 10px 22px; cursor: pointer; transition: all .3s var(--ease);
}
.chip:hover { color: var(--champagne); border-color: var(--champagne); }
.chip.is-active { background: var(--champagne); border-color: var(--champagne); color: var(--ink); }
.empty-note { text-align: center; color: var(--mist); padding: 60px 0; font-size: .95rem; display: none; }

/* ---------- About page ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 6vw, 80px); align-items: center; }
.split-art { border: 1px solid var(--line); }
.split h2 { margin-bottom: 1.2rem; }
.split p { color: var(--mist); margin-bottom: 1rem; }
.pillars { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 26px; margin-top: 50px; }
.pillar { border-left: 2px solid var(--champagne); padding-left: 22px; }
.pillar h3 { margin-bottom: 8px; }
.pillar p { color: var(--mist); font-size: .92rem; }

/* ---------- Contact page ---------- */
.contact-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(30px, 6vw, 70px); }
.form-card { border: 1px solid rgba(198,169,108,.18); background: var(--ink-2); padding: clamp(26px, 4vw, 44px); }
.field { margin-bottom: 22px; }
.field label { display: block; font-size: .7rem; font-weight: 500; letter-spacing: .26em; text-transform: uppercase; color: var(--champagne); margin-bottom: 9px; }
.field input, .field select, .field textarea {
  width: 100%; background: var(--ink); border: 1px solid rgba(198,169,108,.24);
  color: var(--porcelain); font-family: var(--body); font-weight: 300; font-size: .95rem;
  padding: 14px 16px; transition: border-color .3s; border-radius: 0; appearance: none;
}
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--champagne); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-note { font-size: .8rem; color: var(--mist); margin-top: 16px; }
.contact-aside h3 { margin-bottom: 6px; }
.contact-block { border: 1px solid rgba(198,169,108,.16); padding: 28px; margin-bottom: 22px; background: var(--ink-2); }
.contact-block p { color: var(--mist); font-size: .92rem; }
.contact-block .city-tag { margin-bottom: 10px; }

/* ---------- Reveal animations ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.d1 { transition-delay: .1s; } .d2 { transition-delay: .2s; } .d3 { transition-delay: .3s; }
.d4 { transition-delay: .4s; } .d5 { transition-delay: .5s; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .split, .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .nav-toggle { display: block; z-index: 110; }
  .nav-links {
    position: fixed; inset: 0; background: rgba(8, 16, 26, 0.98);
    flex-direction: column; justify-content: center; gap: 34px;
    opacity: 0; pointer-events: none; transition: opacity .4s var(--ease);
  }
  .nav-links.is-open { opacity: 1; pointer-events: auto; }
  .nav-links a { font-size: .95rem; }
  .hero-footer { flex-direction: column; gap: 22px; align-items: flex-start; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .scene .drift, .ticker-track, .scroll-hint svg { animation: none; }
  .hero-slide { transition: none; }
  * { transition-duration: 0.01ms !important; }
}

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