:root {
  --navy: #082f49;
  --navy-dark: #06263b;
  --orange: #f97316;
  --orange-dark: #e85d04;
  --blue: #1177d1;
  --cream: #fff8ed;
  --ink: #112333;
  --muted: #5d6b76;
  --line: #dce5eb;
  --white: #ffffff;
  --shadow: 0 22px 60px rgba(8, 47, 73, .13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: "Be Vietnam Pro", system-ui, sans-serif; color: var(--ink); background: #fff; -webkit-font-smoothing: antialiased; }
button, input, select, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }
svg { display: block; }
.section-shell { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }

.site-header { height: 82px; max-width: 1220px; margin: 0 auto; padding: 0 30px; display: flex; align-items: center; gap: 34px; }
.brand { display: flex; align-items: center; gap: 11px; margin-right: auto; }
.brand-mark { width: 45px; height: 45px; border-radius: 13px; background: var(--orange); display: grid; place-items: center; box-shadow: 0 8px 20px rgba(249,115,22,.24); }
.brand-mark svg { width: 32px; fill: white; }
.brand strong, .brand small { display: block; }
.brand strong { font-size: 16px; letter-spacing: .06em; color: var(--navy); }
.brand small { margin-top: 2px; font-size: 9px; font-weight: 700; letter-spacing: .12em; color: #6b7b87; }
nav { display: flex; gap: 30px; font-size: 13px; font-weight: 600; }
nav a:hover { color: var(--orange); }
.header-call { display: flex; flex-direction: column; align-items: flex-end; border-left: 1px solid var(--line); padding-left: 26px; }
.header-call span { font-size: 10px; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.header-call strong { font-size: 17px; color: var(--orange-dark); }

.hero { min-height: 585px; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 48px; padding-block: 50px 76px; }
.eyebrow, .kicker { color: var(--orange-dark); font-size: 11px; font-weight: 800; letter-spacing: .14em; }
.eyebrow { display: flex; align-items: center; gap: 10px; }
.eyebrow span { width: 28px; height: 2px; background: var(--orange); }
h1 { font-size: clamp(46px, 5.4vw, 74px); line-height: .99; letter-spacing: -.055em; margin: 19px 0 22px; color: var(--navy); }
h1 em { color: var(--orange); font-style: normal; }
.hero-lead { max-width: 560px; font-size: 16px; line-height: 1.75; color: var(--muted); }
.hero-actions { display: flex; gap: 12px; margin-top: 30px; }
.button { min-height: 52px; padding: 0 22px; border-radius: 10px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; border: 0; cursor: pointer; font-size: 14px; font-weight: 700; transition: transform .2s, box-shadow .2s, background .2s; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: white; background: var(--orange); box-shadow: 0 12px 24px rgba(249,115,22,.25); }
.button-primary:hover { background: var(--orange-dark); }
.button svg { width: 20px; fill: currentColor; }
.button-zalo { color: white; background: var(--blue); box-shadow: 0 12px 24px rgba(17,119,209,.17); }
.button-zalo:hover { background: #0968ba; }
.zalo-dot { width: 24px; height: 24px; border-radius: 7px; background: white; color: var(--blue); display: grid; place-items: center; font-size: 13px; font-weight: 800; }
.quick-points { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 12px 22px; color: #40525f; font-size: 11px; font-weight: 600; }
.quick-points span { display: flex; gap: 6px; align-items: center; }
.quick-points svg { width: 18px; height: 18px; stroke: #16a263; stroke-width: 2.5; fill: none; }

.hero-visual { position: relative; width: 100%; aspect-ratio: 3 / 2; overflow: hidden; isolation: isolate; border-radius: 34px 8px 34px 8px; background: #dcebf1; box-shadow: var(--shadow); }
.hero-visual::after { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(135deg, rgba(4,36,54,.13), transparent 42%); pointer-events: none; }
.hero-visual > img { width: 100%; height: 100%; display: block; object-fit: cover; object-position: center; }
.visual-card { position: absolute; z-index: 4; top: 26px; left: 26px; padding: 17px 19px; min-width: 190px; border-radius: 12px; background: rgba(255,255,255,.9); backdrop-filter: blur(10px); box-shadow: 0 10px 35px rgba(15,45,52,.13); }
.visual-card span, .visual-card small, .visual-card strong { display: block; }
.visual-card span { color: var(--orange-dark); font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: .12em; }
.visual-card strong { margin-top: 5px; font-size: 15px; color: var(--navy); }
.visual-card small { margin-top: 4px; color: var(--muted); font-size: 10px; }

.fleet { padding-block: 84px 92px; border-top: 1px solid #edf1f3; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 60px; margin-bottom: 35px; }
h2 { margin: 10px 0 0; color: var(--navy); font-size: clamp(30px, 3.4vw, 46px); line-height: 1.14; letter-spacing: -.04em; }
.section-heading p { max-width: 400px; margin: 0; color: var(--muted); line-height: 1.7; font-size: 14px; }
.fleet-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.vehicle-card { min-width: 0; text-align: left; padding: 24px 18px 20px; border-radius: 14px; border: 1px solid var(--line); background: white; cursor: pointer; transition: transform .2s, box-shadow .2s, border-color .2s; }
.vehicle-card:hover, .vehicle-card:focus-visible { transform: translateY(-5px); border-color: #ffb47e; box-shadow: 0 18px 40px rgba(8,47,73,.1); outline: none; }
.vehicle-card strong, .vehicle-card small { display: block; }
.vehicle-card strong { color: var(--navy); font-size: 16px; }
.vehicle-card small { margin-top: 6px; min-height: 34px; color: var(--muted); font-size: 10px; line-height: 1.6; }
.pick { display: flex; justify-content: space-between; align-items: center; margin-top: 18px; padding-top: 13px; border-top: 1px solid #edf1f3; color: var(--orange-dark); font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; }
.pick b { font-size: 16px; }
.vehicle-icon { display: block; position: relative; width: 110px; max-width: 95%; height: 52px; margin-bottom: 20px; border-radius: 8px 13px 5px 5px; background: linear-gradient(180deg, var(--navy) 0 68%, var(--orange) 68%); }
.vehicle-icon::before { content: ""; position: absolute; top: 8px; left: 9px; right: 10px; height: 22px; border-radius: 3px 8px 2px 2px; background: repeating-linear-gradient(90deg, #bdd9e6 0 20px, var(--navy) 20px 24px); }
.vehicle-icon b { position: absolute; width: 17px; height: 17px; bottom: -7px; border: 5px solid #25333c; border-radius: 50%; background: #b9c2c8; }
.vehicle-icon b:first-of-type { left: 14px; } .vehicle-icon b:last-of-type { right: 13px; }
.vehicle-icon.compact { width: 82px; height: 43px; border-radius: 17px 21px 5px 5px; }
.vehicle-icon.compact::before { left: 17px; top: 7px; right: 9px; height: 18px; }
.vehicle-icon.van { width: 95px; height: 49px; }
.vehicle-icon.long { width: 125px; }

.portfolio { padding-block: 86px 80px; background: var(--cream); }
.portfolio-heading { align-items: flex-start; }
.portfolio-grid { display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: 245px; gap: 12px; }
.portfolio-card { position: relative; grid-column: span 3; min-width: 0; overflow: hidden; padding: 0; border: 0; border-radius: 14px; background: var(--navy); cursor: zoom-in; box-shadow: 0 12px 30px rgba(8,47,73,.1); }
.portfolio-card:nth-child(1) { grid-column: 1 / span 3; grid-row: 1 / span 2; }
.portfolio-card:nth-child(2) { grid-column: 4 / span 3; grid-row: 1; }
.portfolio-card:nth-child(3) { grid-column: 7 / span 3; grid-row: 1; }
.portfolio-card:nth-child(4) { grid-column: 10 / span 3; grid-row: 1 / span 2; }
.portfolio-card:nth-child(5) { grid-column: 4 / span 3; grid-row: 2; }
.portfolio-card:nth-child(6) { grid-column: 7 / span 3; grid-row: 2; }
.portfolio-card::after { content: ""; position: absolute; inset: 35% 0 0; background: linear-gradient(transparent, rgba(3,25,38,.78)); pointer-events: none; }
.portfolio-card img { width: 100%; height: 100%; display: block; object-fit: cover; transition: transform .45s ease; }
.portfolio-card:hover img, .portfolio-card:focus-visible img { transform: scale(1.045); }
.portfolio-card:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; }
.portfolio-card > span { position: absolute; z-index: 2; left: 18px; right: 18px; bottom: 17px; color: white; text-align: left; }
.portfolio-card small, .portfolio-card strong { display: block; }
.portfolio-card small { margin-bottom: 5px; color: #ffc391; font-size: 9px; font-weight: 800; letter-spacing: .12em; }
.portfolio-card strong { font-size: 14px; line-height: 1.35; }
.portfolio-foot { display: flex; align-items: center; justify-content: space-between; gap: 25px; margin-top: 25px; }
.portfolio-foot p { margin: 0; color: var(--muted); font-size: 11px; font-weight: 600; }
.portfolio-foot a { display: flex; align-items: center; gap: 18px; color: var(--orange-dark); font-size: 12px; font-weight: 700; }
.portfolio-foot a span { font-size: 18px; transition: transform .2s; }
.portfolio-foot a:hover span { transform: translateX(4px); }
.gallery-lightbox { position: fixed; z-index: 100; inset: 0; display: grid; place-items: center; padding: 32px; }
.gallery-lightbox[hidden] { display: none; }
.gallery-backdrop { position: absolute; inset: 0; width: 100%; border: 0; background: rgba(3,18,27,.9); cursor: zoom-out; }
.gallery-lightbox figure { position: relative; z-index: 1; max-width: min(90vw, 900px); max-height: 90vh; margin: 0; overflow: hidden; border-radius: 15px; background: white; box-shadow: 0 25px 80px rgba(0,0,0,.42); }
.gallery-lightbox figure img { display: block; max-width: 100%; max-height: calc(90vh - 66px); object-fit: contain; background: #071b27; }
.gallery-lightbox figcaption { min-height: 66px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 13px 18px; color: var(--navy); }
.gallery-lightbox figcaption strong, .gallery-lightbox figcaption span { display: block; }
.gallery-lightbox figcaption strong { font-size: 13px; }
.gallery-lightbox figcaption span { color: var(--muted); font-size: 10px; }
.gallery-close { position: fixed; z-index: 2; top: 18px; right: 22px; width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.3); border-radius: 50%; color: white; background: rgba(255,255,255,.08); cursor: pointer; font-size: 30px; line-height: 1; }
.gallery-close:hover { background: rgba(255,255,255,.18); }
body.gallery-open { overflow: hidden; }

.quote-wrap { color: white; background: var(--navy); }
.quote { display: grid; grid-template-columns: .84fr 1.16fr; gap: 70px; padding-block: 88px 80px; }
.kicker.light { color: #ff9d5a; }
.quote-info h2 { color: white; max-width: 450px; }
.quote-info > p { max-width: 450px; margin: 19px 0 30px; color: #b9cbd6; font-size: 14px; line-height: 1.75; }
.contact-list { border-top: 1px solid rgba(255,255,255,.13); }
.contact-list > a, .contact-list > div { display: flex; align-items: center; gap: 14px; padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,.13); }
.contact-list > a:hover strong { color: #ff9d5a; }
.contact-list > * > span { color: #6f94aa; font-size: 10px; font-weight: 700; }
.contact-list small, .contact-list strong { display: block; }
.contact-list small { margin-bottom: 3px; color: #86a5b7; font-size: 9px; text-transform: uppercase; letter-spacing: .1em; }
.contact-list strong { max-width: 360px; font-size: 13px; line-height: 1.5; }
.quote-card { min-height: 560px; padding: 32px; border-radius: 18px; background: white; color: var(--ink); box-shadow: 0 28px 70px rgba(0,0,0,.22); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
label { display: block; margin-bottom: 14px; color: #354652; font-size: 11px; font-weight: 700; }
label > span { color: var(--orange); }
input, select, textarea { width: 100%; margin-top: 7px; border: 1px solid #d8e2e8; border-radius: 8px; background: #f9fbfc; color: var(--ink); font-size: 13px; outline: none; }
input, select { height: 48px; padding: 0 13px; }
textarea { resize: vertical; min-height: 78px; padding: 12px 13px; }
input:focus, select:focus, textarea:focus { border-color: #ff9d5a; box-shadow: 0 0 0 3px rgba(249,115,22,.11); background: white; }
[aria-invalid="true"] { border-color: #d9363e; }
.form-error { margin: -2px 0 12px; padding: 10px 12px; border-radius: 7px; background: #fff0f0; color: #b72830; font-size: 11px; line-height: 1.5; }
.button-submit { width: 100%; color: white; background: var(--orange); }
.button-submit span { margin-left: auto; font-size: 18px; }
.privacy-note { margin: 10px 0 0; text-align: center; color: #82919b; font-size: 9px; }
.quote-result { min-height: 496px; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; }
.quote-result[hidden] { display: none; }
.result-check { width: 52px; height: 52px; margin-bottom: 18px; border-radius: 50%; background: #e9f8f0; color: #168653; display: grid; place-items: center; font-size: 24px; }
.quote-result h3 { margin: 7px 0 18px; color: var(--navy); font-size: 25px; }
.summary { width: 100%; padding: 15px 18px; border-radius: 10px; background: #f3f7f9; white-space: pre-line; text-align: left; color: #344955; font-size: 12px; line-height: 1.75; }
.recommendation { margin: 13px 0 6px; color: #52646f; font-size: 11px; line-height: 1.6; }
.copy-button, .start-over { border: 0; background: none; color: var(--blue); cursor: pointer; font-size: 10px; font-weight: 700; }
.copy-button { padding: 9px; }
.result-actions { width: 100%; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 11px; }
.start-over { margin-top: 14px; color: #657883; text-decoration: underline; }
footer { min-height: 75px; display: flex; align-items: center; justify-content: space-between; gap: 30px; border-top: 1px solid rgba(255,255,255,.1); color: #9fb5c2; font-size: 10px; }
footer div { display: flex; flex-direction: column; gap: 3px; }
footer strong { color: white; font-size: 13px; }
footer a:hover { color: white; }
.mobile-contact { display: none; }

@media (max-width: 960px) {
  .site-header nav { display: none; }
  .hero { gap: 30px; }
  .fleet-grid { grid-template-columns: repeat(3, 1fr); }
  .portfolio-grid { grid-template-columns: repeat(3, 1fr); grid-auto-rows: 330px; }
  .portfolio-card:nth-child(n) { grid-column: span 1; grid-row: auto; }
  .quote { gap: 38px; }
}

@media (max-width: 720px) {
  body { padding-bottom: 68px; }
  .section-shell { width: min(100% - 28px, 600px); }
  .site-header { height: 70px; padding: 0 14px; }
  .brand-mark { width: 40px; height: 40px; border-radius: 11px; }
  .brand-mark svg { width: 29px; }
  .brand strong { font-size: 14px; }
  .brand small { font-size: 8px; }
  .header-call { display: none; }
  .hero { display: flex; flex-direction: column; align-items: stretch; gap: 30px; padding-block: 38px 45px; }
  h1 { font-size: clamp(44px, 13vw, 62px); margin: 16px 0 18px; }
  .hero-lead { font-size: 14px; }
  .hero-actions { display: grid; grid-template-columns: 1.2fr .8fr; gap: 8px; }
  .button { min-height: 50px; padding: 0 14px; font-size: 12px; }
  .quick-points { display: grid; grid-template-columns: 1fr 1fr; }
  .hero-visual { border-radius: 24px 6px; }
  .visual-card { top: 16px; left: 16px; }
  .fleet { padding-block: 60px 68px; }
  .section-heading { display: block; margin-bottom: 27px; }
  .section-heading p { margin-top: 15px; }
  .fleet-grid { grid-template-columns: 1fr 1fr; gap: 9px; }
  .vehicle-card { padding: 19px 15px 17px; }
  .vehicle-card small { min-height: 32px; }
  .portfolio { padding-block: 60px 56px; }
  .portfolio-grid { grid-template-columns: 1fr 1fr; grid-auto-rows: 255px; gap: 8px; }
  .portfolio-card:nth-child(n) { grid-column: span 1; grid-row: auto; border-radius: 10px; }
  .portfolio-card:nth-child(1), .portfolio-card:nth-child(4) { grid-column: span 2; height: 325px; }
  .portfolio-card > span { left: 12px; right: 12px; bottom: 12px; }
  .portfolio-card strong { font-size: 12px; }
  .portfolio-foot { align-items: flex-start; flex-direction: column; }
  .gallery-lightbox { padding: 14px; }
  .gallery-lightbox figure { max-width: 100%; }
  .gallery-lightbox figcaption { align-items: flex-start; flex-direction: column; gap: 4px; }
  .quote { display: block; padding-block: 62px 58px; }
  .quote-info { margin-bottom: 34px; }
  .quote-card { min-height: 0; padding: 22px 17px; }
  .field-row { display: block; }
  .quote-result { min-height: 510px; }
  footer { padding-block: 25px; flex-direction: column; align-items: flex-start; gap: 12px; }
  .mobile-contact { position: fixed; z-index: 20; left: 0; right: 0; bottom: 0; height: 68px; padding: 7px 9px; display: grid; grid-template-columns: 1.2fr .8fr; gap: 7px; background: white; box-shadow: 0 -10px 35px rgba(8,47,73,.14); }
  .mobile-contact a { border-radius: 9px; display: flex; align-items: center; justify-content: center; gap: 8px; color: white; }
  .mobile-contact a:first-child { background: var(--orange); }
  .mobile-contact a:last-child { background: var(--blue); }
  .mobile-contact svg { width: 20px; fill: currentColor; }
  .mobile-contact small, .mobile-contact strong { display: block; }
  .mobile-contact small { font-size: 8px; font-weight: 600; opacity: .82; }
  .mobile-contact strong { font-size: 12px; }
}

@media (max-width: 390px) {
  .hero-actions, .result-actions { grid-template-columns: 1fr; }
  .quick-points { grid-template-columns: 1fr; }
  .vehicle-icon { transform: scale(.87); transform-origin: left bottom; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}