:root {
  --bg: #07090d;
  --bg-soft: #0d1118;
  --panel: #111721;
  --panel-2: #151c27;
  --text: #f5f7fb;
  --muted: #9aa7b7;
  --line: rgba(255,255,255,.11);
  --blue: #1697ff;
  --blue-bright: #55bcff;
  --amber: #ffb43a;
  --container: 1180px;
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 70% 15%, rgba(22,151,255,.08), transparent 28%),
    var(--bg);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: .13;
  pointer-events: none;
  background-image: repeating-linear-gradient(115deg, transparent 0 18px, rgba(255,255,255,.02) 19px, transparent 20px);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea { font: inherit; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { padding: 112px 0; }
.sr-only { 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: fixed; left: 20px; top: -80px; z-index: 100; background: var(--blue); color: #fff; padding: 10px 16px; border-radius: 8px; transition: top .2s; }
.skip-link:focus { top: 20px; }

.site-header {
  position: fixed;
  z-index: 50;
  inset: 0 0 auto;
  background: linear-gradient(180deg, rgba(4,6,9,.96), rgba(4,6,9,.58), transparent);
  border-bottom: 1px solid transparent;
  transition: background .25s, border-color .25s;
}
.site-header.scrolled { background: rgba(6,8,12,.88); backdrop-filter: blur(18px); border-color: var(--line); }
.header-inner { height: 86px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand img { width: 52px; height: 52px; object-fit: cover; border-radius: 50%; border: 1px solid rgba(255,255,255,.24); box-shadow: 0 0 28px rgba(22,151,255,.2); }
.brand-copy { display: grid; line-height: 1; gap: 5px; }
.brand-copy strong { font-size: .94rem; letter-spacing: .12em; font-style: italic; }
.brand-copy small { color: var(--blue-bright); font-size: .64rem; letter-spacing: .34em; font-weight: 800; }
.main-nav { display: flex; align-items: center; gap: 22px; font-size: .875rem; font-weight: 700; color: #cdd5df; }
.main-nav > a:not(.nav-cta) { transition: color .2s; }
.main-nav > a:not(.nav-cta):hover { color: #fff; }
.nav-cta { border: 1px solid rgba(85,188,255,.5); padding: 11px 18px; clip-path: polygon(9px 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%,0 9px); background: rgba(22,151,255,.08); }
.menu-toggle { display: none; background: transparent; border: 0; width: 44px; height: 44px; color: #fff; padding: 10px; }
.menu-toggle > span:not(.sr-only) { display: block; height: 2px; background: currentColor; margin: 7px 0; transition: transform .2s; }

.hero { min-height: 860px; position: relative; display: grid; align-items: center; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero-bg { position: absolute; inset: 0; background-image: linear-gradient(90deg, rgba(4,6,10,.93) 0%, rgba(4,6,10,.72) 36%, rgba(4,6,10,.08) 68%), linear-gradient(0deg, #07090d 0%, transparent 30%), url("assets/wallpapers/autoexpert-bg.png"); background-size: cover; background-position: center; }
.hero-grid { position: absolute; inset: 0; opacity: .22; background-image: linear-gradient(rgba(82,182,255,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(82,182,255,.12) 1px, transparent 1px); background-size: 76px 76px; mask-image: linear-gradient(90deg, black, transparent 65%); }
.hero-inner { position: relative; z-index: 2; padding-top: 110px; display: grid; grid-template-columns: minmax(0,1.2fr) minmax(310px,.55fr); gap: 80px; align-items: center; }
.eyebrow { margin: 0 0 18px; display: flex; align-items: center; gap: 11px; color: var(--blue-bright); text-transform: uppercase; font-size: .75rem; line-height: 1.2; letter-spacing: .18em; font-weight: 800; }
.eyebrow span { width: 30px; height: 2px; background: var(--blue); box-shadow: 0 0 12px var(--blue); }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: "Arial Narrow", "Roboto Condensed", Arial, sans-serif; text-transform: uppercase; line-height: .98; letter-spacing: -.035em; }
h1 { max-width: 760px; margin-bottom: 25px; font-size: clamp(3.2rem, 6.3vw, 6rem); font-weight: 900; }
h1 em, h2 em { color: var(--blue-bright); font-style: italic; text-shadow: 0 0 35px rgba(22,151,255,.18); }
.hero-lead { max-width: 650px; color: #bac5d2; font-size: 1.14rem; line-height: 1.75; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 34px 0 30px; }
.button { min-height: 54px; display: inline-flex; justify-content: center; align-items: center; gap: 26px; padding: 0 24px; border: 0; color: #fff; font-weight: 800; font-size: .9rem; cursor: pointer; clip-path: polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px); transition: transform .2s, background .2s, box-shadow .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: linear-gradient(115deg, #0879da, #18a9ff); box-shadow: 0 12px 35px rgba(0,131,230,.28); }
.button-primary:hover { box-shadow: 0 15px 42px rgba(0,145,255,.42); }
.button-ghost { border: 1px solid rgba(255,255,255,.2); background: rgba(9,13,19,.56); backdrop-filter: blur(8px); }
.hero-points { list-style: none; display: flex; flex-wrap: wrap; gap: 25px; padding: 0; margin: 0; color: #d6dde7; font-size: .8rem; font-weight: 700; }
.hero-points i { color: var(--blue-bright); font-style: normal; margin-right: 5px; }

.diagnostic-card { align-self: end; margin-bottom: 130px; background: linear-gradient(145deg, rgba(18,26,37,.84), rgba(7,10,15,.92)); backdrop-filter: blur(14px); border: 1px solid rgba(99,194,255,.28); clip-path: polygon(24px 0,100% 0,100% calc(100% - 24px),calc(100% - 24px) 100%,0 100%,0 24px); padding: 23px; box-shadow: 0 30px 90px rgba(0,0,0,.4); }
.card-topline { display: flex; align-items: center; gap: 8px; color: #aab6c4; font-size: .75rem; letter-spacing: .1em; font-weight: 800; }
.card-topline b { margin-left: auto; color: #536477; }
.live-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--blue-bright); box-shadow: 0 0 12px var(--blue); }
.score-ring { width: 170px; height: 170px; margin: 30px auto; border-radius: 50%; padding: 13px; background: conic-gradient(var(--blue) 0 82%, rgba(255,255,255,.07) 82%); box-shadow: 0 0 50px rgba(22,151,255,.13); }
.score-ring > div { height: 100%; border-radius: 50%; background: #0a0e14; display: grid; place-content: center; text-align: center; }
.score-ring strong { font-size: 3.4rem; line-height: .9; }
.score-ring span { max-width: 100px; color: var(--muted); font-size: .75rem; line-height: 1.25; text-transform: uppercase; letter-spacing: .08em; }
.mini-readings { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); display: grid; grid-template-columns: repeat(3,1fr); padding: 14px 0; }
.mini-readings div { text-align: center; border-right: 1px solid var(--line); }
.mini-readings div:last-child { border: 0; }
.mini-readings span, .mini-readings strong { display: block; }
.mini-readings span { color: var(--muted); font-size: .75rem; line-height: 1.25; }
.mini-readings strong { color: var(--blue-bright); font-size: .75rem; letter-spacing: .06em; margin-top: 5px; }
.diagnostic-card > p { margin: 18px 0 0; color: #a9b5c3; font-size: .875rem; line-height: 1.6; }
.hero-strip { position: absolute; bottom: 0; width: 100%; border-top: 1px solid var(--line); background: rgba(5,7,10,.7); backdrop-filter: blur(10px); }
.strip-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; color: #7d8997; font-size: .68rem; letter-spacing: .23em; font-weight: 800; }
.strip-inner i { width: 5px; height: 5px; background: var(--blue); transform: rotate(45deg); box-shadow: 0 0 10px var(--blue); }

.split-heading { display: grid; grid-template-columns: 1.05fr .85fr; gap: 100px; align-items: end; }
h2 { margin-bottom: 0; font-size: clamp(2.6rem,5vw,4.6rem); }
.intro-copy { padding-left: 28px; border-left: 1px solid rgba(85,188,255,.36); color: var(--muted); }
.intro-copy p:last-child { margin-bottom: 0; color: #d9e0e8; }

.checks { background: linear-gradient(180deg, #0a0d12, #07090d); border-block: 1px solid var(--line); }
.section-head { max-width: 750px; margin-bottom: 50px; }
.section-head > p:last-child { max-width: 610px; margin: 22px 0 0; color: var(--muted); }
.check-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; }
.check-card { position: relative; min-height: 340px; padding: 34px; overflow: hidden; background: linear-gradient(145deg, rgba(20,27,38,.92), rgba(10,14,20,.92)); border: 1px solid var(--line); clip-path: polygon(18px 0,100% 0,100% calc(100% - 18px),calc(100% - 18px) 100%,0 100%,0 18px); transition: transform .25s, border-color .25s; }
.check-card:hover { transform: translateY(-5px); border-color: rgba(85,188,255,.42); }
.check-card-featured { background: linear-gradient(145deg, rgba(9,75,126,.56), rgba(11,18,27,.96)); }
.check-no { position: absolute; top: 24px; right: 27px; color: #465569; font-size: .72rem; font-weight: 800; }
.check-icon { width: 54px; height: 54px; display: grid; place-items: center; color: var(--blue-bright); background: rgba(22,151,255,.1); border: 1px solid rgba(85,188,255,.32); font-size: 1.5rem; margin-bottom: 55px; clip-path: polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px); }
.check-card h3 { margin-bottom: 12px; text-transform: uppercase; font-size: 1.35rem; line-height: 1.2; }
.check-card p { color: var(--muted); max-width: 490px; }
.check-card ul { list-style: none; display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 25px 0 0; }
.check-card li { border: 1px solid var(--line); color: #b8c2ce; padding: 5px 10px; font-size: .7rem; text-transform: uppercase; letter-spacing: .05em; }

.process { position: relative; }
.process::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(circle at 15% 55%, rgba(22,151,255,.13), transparent 25%); }
.process-layout { position: relative; display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; }
.process-copy { position: sticky; top: 140px; align-self: start; }
.process-copy > p:not(.eyebrow) { max-width: 430px; color: var(--muted); margin: 27px 0; }
.text-link { display: inline-flex; gap: 30px; align-items: center; color: var(--blue-bright); font-weight: 800; border-bottom: 1px solid rgba(85,188,255,.35); padding-bottom: 6px; }
.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li { display: grid; grid-template-columns: 70px 1fr; gap: 25px; padding: 34px 0; border-bottom: 1px solid var(--line); }
.timeline li:first-child { padding-top: 0; }
.timeline > li > span { color: var(--blue-bright); font-size: .75rem; letter-spacing: .1em; }
.timeline h3 { margin-bottom: 9px; text-transform: uppercase; font-size: 1.35rem; }
.timeline p { color: var(--muted); margin: 0; }

.advantages { background: #090c11; border-block: 1px solid var(--line); }
.advantages-grid { display: grid; grid-template-columns: repeat(3,1fr); border: 1px solid var(--line); }
.advantage { min-height: 250px; padding: 30px 25px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.advantage:nth-child(3n) { border-right: 0; }
.advantage:nth-child(n+4) { border-bottom: 0; }
.advantage b { display: block; color: var(--blue-bright); font-size: .68rem; letter-spacing: .1em; margin-bottom: 75px; }
.advantage h3 { text-transform: uppercase; line-height: 1.2; font-size: 1.05rem; }
.advantage p { color: var(--muted); font-size: .88rem; margin: 0; }

.promise { overflow: hidden; }
.promise-inner { text-align: center; max-width: 960px; }
.promise-mark { width: 74px; height: 74px; margin: 0 auto 36px; display: grid; place-items: center; color: var(--blue-bright); border: 1px solid rgba(85,188,255,.4); transform: rotate(45deg); font-weight: 900; box-shadow: 0 0 40px rgba(22,151,255,.12); }
.promise-mark::first-line { transform: rotate(-45deg); }
.promise blockquote { margin: 0; font-size: clamp(1.75rem,3.6vw,3.4rem); line-height: 1.25; font-weight: 800; letter-spacing: -.03em; }
.promise p { color: var(--blue-bright); margin: 28px 0 0; text-transform: uppercase; letter-spacing: .18em; font-size: .7rem; }

.request { padding-bottom: 130px; }
.request-shell { display: grid; grid-template-columns: .88fr 1.12fr; gap: 80px; padding: 58px; background: linear-gradient(135deg, #0e1721 0%, #0a0e14 48%, #111923 100%); border: 1px solid rgba(85,188,255,.24); clip-path: polygon(25px 0,100% 0,100% calc(100% - 25px),calc(100% - 25px) 100%,0 100%,0 25px); box-shadow: 0 35px 100px rgba(0,0,0,.35); }
.request-copy > p:not(.eyebrow) { color: var(--muted); margin: 26px 0; max-width: 430px; }
.location { display: flex; align-items: center; gap: 14px; }
.location > span { color: var(--blue); text-shadow: 0 0 12px var(--blue); }
.location b, .location small { display: block; }
.location small { color: var(--muted); }
.request-form { display: grid; gap: 17px; }
.request-form label { display: grid; gap: 7px; }
.request-form label > span { color: #aeb9c5; font-size: .875rem; font-weight: 700; }
.request-form input, .request-form textarea { width: 100%; color: #fff; background: rgba(3,6,10,.62); border: 1px solid rgba(255,255,255,.14); border-radius: 0; padding: 15px 16px; outline: none; transition: border-color .2s, box-shadow .2s; }
.request-form textarea { resize: vertical; }
.request-form input:focus, .request-form textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(22,151,255,.12); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-submit { width: 100%; margin-top: 4px; }
.form-note, .form-status { color: #7f8b99; font-size: .72rem; text-align: center; margin: 0; }
.form-status { min-height: 20px; color: var(--blue-bright); }

.site-footer { padding: 50px 0 28px; border-top: 1px solid var(--line); background: #05070a; }
.footer-inner { display: grid; grid-template-columns: 1fr 1.3fr auto; align-items: center; gap: 30px; }
.brand-monogram { width: 48px; height: 48px; display: grid; place-items: center; border: 1px solid rgba(85,188,255,.4); color: var(--blue-bright); font-weight: 900; transform: skew(-8deg); }
.footer-inner > p { color: var(--muted); font-size: .8rem; margin: 0; }
.footer-inner > a:last-child { color: var(--blue-bright); font-size: .8rem; font-weight: 800; }
.copyright { border-top: 1px solid var(--line); margin-top: 35px; padding-top: 20px; color: #5f6b79; font-size: .7rem; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 980px) {
  .hero { min-height: 820px; }
  .hero-inner { grid-template-columns: 1fr; }
  .diagnostic-card { display: none; }
  .hero-bg { background-position: 60% center; }
  .hero-copy { max-width: 760px; }
  .split-heading, .process-layout, .request-shell { grid-template-columns: 1fr; gap: 50px; }
  .process-copy { position: static; }
  .advantages-grid { grid-template-columns: repeat(2,1fr); }
  .advantage { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .advantage:nth-child(2n) { border-right: 0; }
  .advantage:nth-child(n+5) { border-bottom: 0; }
}

@media (max-width: 1100px) {
  .menu-toggle { display: block; position: relative; z-index: 2; }
  .main-nav { position: fixed; inset: 0; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 26px; padding: 35px; background: rgba(5,8,12,.98); font-size: 1.2rem; transform: translateX(100%); transition: transform .25s ease; }
  .main-nav.is-open { transform: none; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(4.5px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(-4.5px) rotate(-45deg); }
}

@media (max-width: 760px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .section { padding: 78px 0; }
  .header-inner { height: 74px; }
  .brand img { width: 44px; height: 44px; }
  .hero { min-height: 780px; align-items: end; }
  .hero-bg { background-image: linear-gradient(180deg, rgba(4,6,10,.2), rgba(4,6,10,.74) 38%, #07090d 86%), url("assets/wallpapers/autoexpert-bg.png"); background-position: 66% center; }
  .hero-inner { padding-top: 160px; padding-bottom: 118px; }
  h1 { font-size: clamp(2.7rem, 13vw, 4.4rem); }
  .hero-lead { font-size: 1rem; }
  .button { width: 100%; }
  .hero-points { gap: 9px 18px; }
  .strip-inner { flex-wrap: wrap; justify-content: center; gap: 8px 13px; padding: 14px 0; }
  .split-heading { gap: 32px; }
  .intro-copy { padding-left: 18px; }
  .check-grid { grid-template-columns: 1fr; }
  .check-card { min-height: 320px; padding: 28px; }
  .advantages-grid { grid-template-columns: 1fr; }
  .advantage { min-height: 215px; border-right: 0; border-bottom: 1px solid var(--line); }
  .advantage:nth-child(2n) { border-right: 0; }
  .advantage:nth-child(n+5) { border-bottom: 1px solid var(--line); }
  .advantage:last-child { border-bottom: 0; }
  .advantage b { margin-bottom: 46px; }
  .request-shell { padding: 34px 22px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}
