/* ==========================================================================
   Vehirex — Automotive Encyclopedia Stylesheet
   Palette: Graphite / Carbon / Electric Blue / Silver / Paper
   Type: Sora (display) + Inter (body)
   ========================================================================== */

:root {
  --carbon: #0E1116;
  --graphite: #171B22;
  --graphite-2: #1F242D;
  --electric: #2E7CF6;
  --electric-deep: #1A5FD0;
  --silver: #C4CBD4;
  --paper: #F6F7F9;
  --panel: #FFFFFF;
  --ink: #14181D;
  --ink-soft: #5A6470;
  --line: #E4E7EC;
  --amber: #F2A93B;
  --green: #22A06B;
  --red: #E0574A;

  --font-display: "Sora", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;

  --maxw: 1200px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 14px 40px rgba(14, 17, 22, 0.13);
  --shadow-sm: 0 3px 12px rgba(14, 17, 22, 0.08);
}

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--electric-deep); text-decoration: none; transition: color .18s ease; }
a:hover { color: var(--carbon); }
:focus-visible { outline: 2px solid var(--electric); outline-offset: 3px; border-radius: 3px; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.1; letter-spacing: -0.01em; }

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.site-header { background: var(--carbon); position: sticky; top: 0; z-index: 60; }
.header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; gap: 22px; }

.logo { display: flex; align-items: center; gap: 10px; color: #fff; }
.logo .mark {
  width: 34px; height: 34px; flex: none; border-radius: 9px;
  background: linear-gradient(135deg, var(--electric), #6AA8FF); color: #fff;
  display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-weight: 800; font-size: 1.1rem;
}
.logo .name { font-family: var(--font-display); font-weight: 800; font-size: 1.35rem; color: #fff; letter-spacing: -0.02em; }
.logo .name span { color: var(--electric); }

.main-nav ul { display: flex; gap: 4px; list-style: none; align-items: center; }
.main-nav a { font-size: .9rem; font-weight: 600; color: var(--silver); padding: 8px 14px; border-radius: var(--radius-sm); }
.main-nav a:hover { color: #fff; background: var(--graphite-2); }

.search-mini { display: flex; align-items: center; gap: 8px; background: var(--graphite-2); border: 1px solid #2A313B; border-radius: 999px; padding: 7px 15px; }
.search-mini input { background: none; border: none; color: #fff; font-family: var(--font-body); font-size: .88rem; width: 150px; }
.search-mini input:focus { outline: none; }
.search-mini input::placeholder { color: #7A8492; }

.nav-toggle { display: none; background: var(--graphite-2); border: 1px solid #2A313B; border-radius: var(--radius-sm); padding: 8px 13px; font-family: var(--font-display); font-weight: 600; font-size: .88rem; color: #fff; cursor: pointer; }

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display); font-weight: 600; font-size: .9rem;
  padding: 12px 24px; border-radius: 999px; border: 1px solid transparent; cursor: pointer;
  transition: background .18s ease, color .18s ease, transform .12s ease, box-shadow .18s ease;
}
.btn-electric { background: var(--electric); color: #fff; }
.btn-electric:hover { background: var(--electric-deep); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.btn-dark { background: var(--carbon); color: #fff; }
.btn-dark:hover { background: var(--graphite); color: #fff; }
.btn-outline { background: transparent; border-color: rgba(255,255,255,.4); color: #fff; }
.btn-outline:hover { background: #fff; color: var(--carbon); border-color: #fff; }
.btn-ghost { background: var(--panel); border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--electric); color: var(--electric-deep); }
.btn-sm { padding: 9px 18px; font-size: .84rem; }
.btn-block { width: 100%; justify-content: center; }

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative; color: #fff; padding: 84px 0 72px; overflow: hidden;
  background:
    radial-gradient(900px 400px at 78% 10%, rgba(46,124,246,.22), transparent 60%),
    linear-gradient(120deg, #171B22, #0E1116);
}
.hero .kicker { display: inline-block; font-family: var(--font-display); font-weight: 600; font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--electric); background: rgba(46,124,246,.12); border: 1px solid rgba(46,124,246,.3); padding: 6px 16px; border-radius: 999px; margin-bottom: 22px; }
.hero h1 { font-size: clamp(2.4rem, 6vw, 4rem); margin-bottom: 18px; max-width: 780px; letter-spacing: -0.025em; }
.hero h1 span { background: linear-gradient(135deg, var(--electric), #6AA8FF); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero p { max-width: 560px; font-size: 1.08rem; color: #AEB7C2; margin-bottom: 30px; }
.hero-search { display: flex; gap: 8px; max-width: 520px; background: var(--panel); border-radius: 999px; padding: 7px 7px 7px 20px; box-shadow: var(--shadow); }
.hero-search input { flex: 1; border: 0; background: none; font-family: var(--font-body); font-size: 1rem; color: var(--ink); }
.hero-search input:focus { outline: none; }

/* --------------------------------------------------------------------------
   Sections
   -------------------------------------------------------------------------- */
.section { padding: 60px 0; }
.section.tinted { background: var(--panel); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; margin-bottom: 30px; flex-wrap: wrap; }
.section-head h2 { font-size: clamp(1.6rem, 3.4vw, 2.2rem); display: flex; align-items: center; gap: 12px; }
.section-head h2::before { content: ""; width: 5px; height: 26px; border-radius: 3px; background: var(--electric); }
.section-head .link { font-size: .9rem; font-weight: 600; color: var(--ink-soft); }

/* --------------------------------------------------------------------------
   Brand chips
   -------------------------------------------------------------------------- */
.brand-row { display: grid; grid-template-columns: repeat(7, 1fr); gap: 14px; }
.brand-chip {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 14px; text-align: center; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.brand-chip:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--electric); }
.brand-chip .bmark { font-family: var(--font-display); font-weight: 800; font-size: 1.5rem; color: var(--carbon); letter-spacing: -0.02em; }
.brand-chip .bname { font-size: .82rem; color: var(--ink-soft); margin-top: 4px; font-weight: 600; }
.brand-chip .bcount { font-size: .72rem; color: var(--electric-deep); margin-top: 2px; font-weight: 600; }

/* --------------------------------------------------------------------------
   Model cards
   -------------------------------------------------------------------------- */
.model-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.model-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }

.model {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.model:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--electric); }
.model .shot {
  aspect-ratio: 16 / 10; position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #2A313B, #14181D);
}
.model .shot .badge-brand { position: absolute; top: 10px; left: 10px; z-index: 3; font-size: .68rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: #fff; background: rgba(46,124,246,.9); padding: 4px 10px; border-radius: 4px; }
.model .shot .silhouette { font-family: var(--font-display); font-weight: 800; font-size: 1.5rem; color: rgba(255,255,255,.9); text-align: center; padding: 0 14px; z-index: 2; letter-spacing: -0.01em; }
.model .shot::after { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(115deg, rgba(255,255,255,.045) 0 20px, transparent 20px 40px); }
.model .body { padding: 15px 17px 18px; display: flex; flex-direction: column; flex: 1; }
.model .cat { font-size: .7rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); }
.model h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; margin-top: 2px; line-height: 1.15; }
.model h3 a { color: var(--ink); }
.model:hover h3 a { color: var(--electric-deep); }
.model .spec-mini { margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--line); display: flex; gap: 14px; font-size: .78rem; color: var(--ink-soft); }
.model .spec-mini b { color: var(--ink); font-weight: 600; }

/* --------------------------------------------------------------------------
   Model detail page
   -------------------------------------------------------------------------- */
.model-hero {
  color: #fff; padding: 0; overflow: hidden; position: relative;
  background: linear-gradient(120deg, #1F242D, #0E1116);
}
.model-hero .inner { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center; min-height: 420px; }
@media (max-width: 860px) { .model-hero .inner { grid-template-columns: 1fr; padding-bottom: 40px; } }
.model-hero .breadcrumbs { position: absolute; top: 22px; left: 0; width: 100%; z-index: 5; font-size: .8rem; color: #8A93A0; }
.model-hero .breadcrumbs a { color: var(--silver); }
.model-hero .txt { padding: 80px 0 60px; }
@media (max-width: 860px) { .model-hero .txt { padding: 70px 0 10px; } }
.model-hero .brandtag { color: var(--electric); font-family: var(--font-display); font-weight: 600; letter-spacing: .1em; text-transform: uppercase; font-size: .82rem; margin-bottom: 12px; }
.model-hero h1 { font-size: clamp(2.4rem, 5.5vw, 4rem); letter-spacing: -0.025em; }
.model-hero .tagline { color: #AEB7C2; font-size: 1.1rem; margin-top: 12px; max-width: 460px; }
.model-hero .visual {
  align-self: stretch; position: relative; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #2A313B, #14181D); border-radius: 0;
}
.model-hero .visual .silhouette { font-family: var(--font-display); font-weight: 800; font-size: 2.4rem; color: rgba(255,255,255,.92); text-align: center; padding: 40px; letter-spacing: -0.02em; z-index: 2; }
.model-hero .visual::after { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(115deg, rgba(255,255,255,.05) 0 26px, transparent 26px 52px); }

.quick-stats { display: grid; grid-template-columns: repeat(4, 1fr); background: var(--carbon); color: #fff; }
.quick-stats .qs { padding: 22px 24px; border-right: 1px solid #262C35; }
.quick-stats .qs:last-child { border-right: 0; }
.quick-stats .qs .k { font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: #8A93A0; }
.quick-stats .qs .v { font-family: var(--font-display); font-weight: 700; font-size: 1.4rem; margin-top: 4px; }
@media (max-width: 700px) { .quick-stats { grid-template-columns: 1fr 1fr; } .quick-stats .qs:nth-child(2) { border-right: 0; } .quick-stats .qs:nth-child(1), .quick-stats .qs:nth-child(2) { border-bottom: 1px solid #262C35; } }

.detail-layout { display: grid; grid-template-columns: 1.6fr 1fr; gap: 44px; align-items: start; }
@media (max-width: 900px) { .detail-layout { grid-template-columns: 1fr; } }

.prose h2 { font-size: 1.7rem; margin: 1.4em 0 .5em; letter-spacing: -0.01em; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 1.25rem; margin: 1.2em 0 .4em; }
.prose p { color: var(--ink-soft); margin-bottom: 1em; }
.prose ul { margin: 0 0 1.2em 1.2em; color: var(--ink-soft); }
.prose li { margin-bottom: .45em; }

/* Spec table */
.spec-table { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.spec-table caption { font-family: var(--font-display); font-weight: 700; font-size: 1.2rem; text-align: left; padding: 18px 20px 0; color: var(--ink); }
.spec-table tr { border-bottom: 1px solid var(--line); }
.spec-table tr:last-child { border-bottom: 0; }
.spec-table th { text-align: left; padding: 13px 20px; font-size: .84rem; color: var(--ink-soft); font-weight: 600; width: 45%; background: var(--paper); }
.spec-table td { padding: 13px 20px; font-size: .92rem; color: var(--ink); font-weight: 600; }

/* Pros / cons */
.pc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 8px 0 4px; }
@media (max-width: 560px) { .pc-grid { grid-template-columns: 1fr; } }
.pc { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 24px; }
.pc h4 { font-family: var(--font-display); font-size: 1.05rem; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.pc.pros h4 { color: var(--green); }
.pc.cons h4 { color: var(--red); }
.pc ul { list-style: none; }
.pc li { padding: 6px 0 6px 24px; position: relative; font-size: .92rem; color: var(--ink-soft); }
.pc.pros li::before { content: "\2713"; position: absolute; left: 0; color: var(--green); font-weight: 700; }
.pc.cons li::before { content: "\2715"; position: absolute; left: 0; color: var(--red); font-weight: 700; }

/* Sidebar */
.side-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; margin-bottom: 20px; }
.side-card h3 { font-size: 1.15rem; margin-bottom: 14px; }
.side-list { list-style: none; }
.side-list li { border-bottom: 1px solid var(--line); }
.side-list li:last-child { border-bottom: 0; }
.side-list a { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; color: var(--ink-soft); font-size: .92rem; font-weight: 500; }
.side-list a:hover { color: var(--electric-deep); }
.side-list a span { color: #99A2AE; font-size: .8rem; }

.disclaimer-note { background: #FFF6E5; border: 1px solid #F3DDA6; border-radius: var(--radius-sm); padding: 12px 16px; font-size: .84rem; color: #8A6516; margin-bottom: 24px; }
.disclaimer-note strong { color: #6E4E0E; }

/* Related */
.related-strip { background: var(--panel); border-top: 1px solid var(--line); }

/* FAQ */
.faq details { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 4px 20px; margin-bottom: 12px; }
.faq summary { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; padding: 14px 0; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 14px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--electric); font-size: 1.3rem; flex: none; }
.faq details[open] summary::after { content: "\2013"; }
.faq details p { padding: 0 0 16px; color: var(--ink-soft); font-size: .93rem; }

/* Plain + footer */
.page-hero { background: var(--carbon); color: #fff; padding: 56px 0 48px; }
.page-hero .breadcrumbs { font-size: .8rem; color: #8A93A0; margin-bottom: 14px; }
.page-hero .breadcrumbs a { color: var(--silver); }
.page-hero h1 { font-size: clamp(2rem, 4.6vw, 3rem); letter-spacing: -0.02em; }
.page-hero p { max-width: 560px; margin-top: 10px; color: #AEB7C2; }

.page-plain { max-width: 820px; margin: 0 auto; padding: 50px 22px 76px; }
.page-plain h1 { font-size: 2.3rem; letter-spacing: -0.02em; margin-bottom: .5em; }
.page-plain h2 { font-size: 1.4rem; margin: 1.5em 0 .4em; }
.page-plain p { color: var(--ink-soft); margin-bottom: 1em; }
.page-plain ul { margin: 0 0 1.1em 1.3em; color: var(--ink-soft); }
.page-plain li { margin-bottom: .4em; }
.center { text-align: center; }

.contact-layout { display: grid; grid-template-columns: 1fr 1.1fr; gap: 44px; align-items: start; }
@media (max-width: 900px) { .contact-layout { grid-template-columns: 1fr; } }
.info-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px; margin-bottom: 20px; }
.info-card h2, .form-card h2 { font-size: 1.4rem; margin-bottom: 16px; }
.info-row { display: flex; gap: 14px; padding: 12px 0; border-bottom: 1px dashed var(--line); }
.info-row:last-child { border-bottom: 0; }
.info-row .ic { width: 40px; height: 40px; flex: none; border-radius: 10px; background: var(--paper); color: var(--electric-deep); display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-weight: 700; }
.info-row .label { font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); }
.info-row .val { font-weight: 600; color: var(--ink); }
.info-row .val a { color: var(--electric-deep); }
.form-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow-sm); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: .74rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 6px; }
.field input, .field textarea, .field select { width: 100%; font-family: var(--font-body); font-size: .95rem; color: var(--ink); background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 12px 14px; transition: border-color .18s ease, box-shadow .18s ease; }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--electric); box-shadow: 0 0 0 3px rgba(46,124,246,.14); }
.field textarea { min-height: 130px; resize: vertical; }
.form-note { font-size: .82rem; color: var(--ink-soft); margin-top: 12px; }
.form-status { display: none; border-radius: var(--radius-sm); padding: 13px 16px; font-size: .9rem; margin-bottom: 16px; }
.form-status.ok { display: block; background: #E4F3EA; color: #1B6E3E; border: 1px solid #B8DEC6; }
.form-status.err { display: block; background: #FBE7E7; color: #A02226; border: 1px solid #EEC2C2; }
.hp-field { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

.site-footer { background: var(--carbon); color: #8A93A0; padding: 54px 0 28px; font-size: .92rem; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 36px; }
.site-footer .logo { margin-bottom: 14px; }
.site-footer p { color: #6C7684; }
.site-footer h4 { font-family: var(--font-display); font-size: .78rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: #fff; margin-bottom: 14px; }
.site-footer ul { list-style: none; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: #8A93A0; }
.site-footer a:hover { color: var(--electric); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding-top: 20px; display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap; font-size: .8rem; color: #5A6371; }

/* Scroll reveal */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .55s ease, transform .55s ease; }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .model, .brand-chip, .btn { transition: none; }
}

/* Responsive */
@media (max-width: 1000px) {
  .brand-row { grid-template-columns: repeat(4, 1fr); }
  .model-grid { grid-template-columns: repeat(3, 1fr); }
  .model-grid.cols-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 680px) {
  .brand-row { grid-template-columns: repeat(2, 1fr); }
  .model-grid, .model-grid.cols-3 { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .search-mini { display: none; }
  .nav-toggle { display: block; }
  .main-nav { display: none; width: 100%; }
  .main-nav.open { display: block; }
  .main-nav ul { flex-direction: column; gap: 0; align-items: stretch; padding: 8px 0; }
  .main-nav li { border-top: 1px solid var(--graphite-2); }
  .main-nav a { display: block; padding: 12px 6px; border-radius: 0; }
  .header-inner { flex-wrap: wrap; }
}
@media (max-width: 420px) {
  .model-grid, .model-grid.cols-3 { grid-template-columns: 1fr; }
}