:root {
  --ink: #182a30;
  --ink-soft: #425259;
  --night: #14252b;
  --paper: #f6f4ee;
  --white: #fffefa;
  --line: #cbd1ca;
  --accent: #f0a66b;
  --accent-strong: #a85022;
  --blue: #075f80;
  --mono: ui-monospace, SFMono-Regular, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 400 16px/1.65 "Be Vietnam Pro", Arial, sans-serif; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; cursor: pointer; }
a { color: inherit; }
svg { display: block; }
section[id], tr[id] { scroll-margin-top: 94px; }
.container { width: min(100% - 48px, 1180px); margin-inline: auto; }
.skip-link { position: absolute; z-index: 100; top: -80px; left: 16px; padding: 10px 16px; color: #fff; background: var(--night); }
.skip-link:focus { top: 10px; }
:focus-visible { outline: 3px solid var(--accent-strong); outline-offset: 3px; }

.demo-strip { color: #dbe4df; background: #0e1e23; font-size: .72rem; }
.demo-strip__inner { min-height: 39px; display: flex; align-items: center; gap: 14px; }
.demo-strip a { margin-left: auto; text-underline-offset: 3px; white-space: nowrap; }
.demo-tag { display: inline-flex; flex: none; align-items: center; min-height: 23px; padding: 2px 7px; color: #1b2b2e; background: var(--accent); font: 700 .68rem/1.2 var(--mono); letter-spacing: .08em; }

.site-header { position: sticky; top: 0; z-index: 30; background: var(--white); border-bottom: 1px solid var(--line); }
.site-header__inner { min-height: 78px; display: flex; align-items: center; gap: 30px; }
.brand { min-height: 48px; display: inline-flex; align-items: center; gap: 12px; flex: none; text-decoration: none; }
.brand__mark { width: 40px; height: 40px; display: grid; place-items: center; color: var(--accent); background: var(--night); }
.brand__mark svg { width: 32px; height: 32px; }
.brand__name { max-width: 170px; font-size: .8rem; font-weight: 800; line-height: 1.3; letter-spacing: .015em; }
.brand__name strong { display: block; color: var(--blue); font-weight: 800; letter-spacing: .1em; }
.main-nav { display: flex; align-items: center; gap: clamp(16px, 2vw, 32px); margin-left: auto; }
.main-nav a { min-height: 48px; display: inline-flex; align-items: center; color: var(--ink-soft); text-decoration: none; font-size: .83rem; font-weight: 700; white-space: nowrap; transition: color .2s ease; }
.main-nav a:hover { color: var(--accent-strong); }
.header-call { min-height: 48px; padding: 0 17px; color: var(--white); background: var(--night); border: 1px solid var(--night); font-size: .85rem; font-weight: 800; white-space: nowrap; transition: background .2s ease, transform .2s ease; }
.header-call:hover { background: #25414a; transform: translateY(-2px); }
.header-call span { margin-right: 5px; color: var(--accent); }

.hero { position: relative; isolation: isolate; overflow: hidden; color: #f9f8f3; background: var(--night); }
.hero::before { content: ""; position: absolute; z-index: -1; inset: 0; opacity: .28; background-image: linear-gradient(to right, #55727b 1px, transparent 1px), linear-gradient(to bottom, #55727b 1px, transparent 1px); background-size: 88px 88px; mask-image: linear-gradient(to left, #000, transparent 85%); }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(390px, .92fr); align-items: center; gap: clamp(38px, 5vw, 86px); min-height: 660px; padding-block: 78px 88px; }
.eyebrow { margin: 0 0 24px; color: var(--accent-strong); font: 700 .75rem/1.5 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.hero .eyebrow { color: var(--accent); }
.eyebrow__line { display: inline-block; width: 27px; height: 1px; margin: 0 10px 4px 0; background: currentColor; }
.hero h1 { max-width: 720px; margin: 0; font-size: clamp(3.15rem, 5.25vw, 5.7rem); font-weight: 800; line-height: 1.13; letter-spacing: -.06em; }
.hero h1 span { color: var(--accent); }
.hero__lead { max-width: 58ch; margin: 26px 0 0; color: #dce6e1; font-size: 1rem; line-height: 1.85; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { min-height: 52px; display: inline-flex; align-items: center; justify-content: center; gap: 16px; padding: 11px 19px; border: 1px solid transparent; border-radius: 0; font-size: .88rem; font-weight: 800; line-height: 1.4; text-align: center; text-decoration: none; transition: transform .22s ease, background-color .22s ease, border-color .22s ease, color .22s ease; }
.button:hover { transform: translateY(-2px); }
.button span { font-size: 1.2em; transition: transform .22s ease; }
.button:hover span { transform: translate(2px, -2px); }
.button--primary { color: var(--night); background: var(--accent); }
.button--primary:hover { background: #ffc08b; }
.button--outline { color: #f9f8f3; border-color: #739099; background: transparent; }
.button--outline:hover { border-color: var(--accent); color: var(--accent); }
.button--light { color: var(--night); background: var(--white); }
.button--dark { color: var(--white); background: var(--night); }
.hero__aside { max-width: 62ch; margin: 20px 0 0; color: #9eb3b5; font-size: .76rem; }
.hero__copy { animation: enter .55s ease both; }

.dispatch { color: var(--ink); background: #f4f0e7; border: 1px solid #eed3bb; box-shadow: 16px 16px 0 #09191f; animation: enter .7s .1s ease both; }
.dispatch__top, .dispatch__bottom { display: flex; justify-content: space-between; gap: 12px; padding: 14px 18px; font: 700 .67rem/1.5 var(--mono); letter-spacing: .04em; }
.dispatch__top { border-bottom: 1px solid #bdc6be; }
.dispatch__bottom { color: #53676b; border-top: 1px dashed #bdc6be; font-size: .61rem; }
.dispatch__visual { position: relative; height: 155px; overflow: hidden; margin: 6px 20px 0; }
.dispatch__visual svg { width: 100%; height: 100%; color: #d8753e; }
.dispatch__route { stroke-dasharray: 610; stroke-dashoffset: 610; animation: draw-line 1.1s .28s ease forwards; }
.dispatch__node { opacity: 0; animation: appear .3s ease forwards; }
.dispatch__node--one { animation-delay: .55s; }
.dispatch__node--two { animation-delay: .85s; }
.dispatch__node--three { animation-delay: 1.15s; }
.dispatch__axis { position: absolute; bottom: 8px; left: 0; color: #53676b; font: 700 .58rem/1.3 var(--mono); letter-spacing: .09em; }
.dispatch__steps { margin: 0; padding: 0 20px 20px; list-style: none; }
.dispatch__steps li { display: flex; gap: 17px; padding: 14px 0; border-top: 1px solid #c8d0c7; }
.dispatch__steps li > span { flex: none; width: 30px; padding-top: 2px; color: #9d4f28; font: 700 .75rem/1.5 var(--mono); }
.dispatch__steps strong { display: block; font-size: .9rem; line-height: 1.45; }
.dispatch__steps small { display: block; margin-top: 3px; color: #5d6c70; font-size: .75rem; line-height: 1.5; }

.decision-strip { background: #efe5d6; border-bottom: 1px solid #d9cdbd; }
.decision-strip__grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.decision-strip__grid > div { padding: 24px 25px; border-left: 1px solid #d4c7b7; }
.decision-strip__grid > div:last-child { border-right: 1px solid #d4c7b7; }
.decision-strip span { display: block; margin-bottom: 5px; color: #97552e; font: 700 .68rem/1.5 var(--mono); letter-spacing: .07em; }
.decision-strip strong { font-size: .86rem; }

.section { padding-block: 104px; }
.section-heading { max-width: 780px; margin-bottom: 39px; }
.section-heading .eyebrow { margin-bottom: 17px; }
.section-heading h2, .area h2, .closing h2 { margin: 0; font-size: clamp(2.2rem, 3.6vw, 4.1rem); font-weight: 800; line-height: 1.2; letter-spacing: -.055em; }
.section-heading p:not(.eyebrow) { max-width: 61ch; margin: 18px 0 0; color: var(--ink-soft); font-size: .94rem; }
.section-heading--split { max-width: none; display: grid; grid-template-columns: 1fr 380px; align-items: end; gap: 40px; }
.section-heading--split p:not(.eyebrow) { margin-bottom: 5px; }

.services { background: var(--paper); }
.service-list { border-top: 2px solid var(--ink); }
.service-row { min-height: 104px; display: grid; grid-template-columns: 90px 1fr 40px; align-items: center; gap: 15px; padding: 17px 24px; border-bottom: 1px solid var(--line); text-decoration: none; transition: background-color .2s ease, padding-left .2s ease; }
.service-row:hover, .service-row:focus-visible { background: #ebe9e0; padding-left: 31px; }
.service-row__no { color: #a05b35; font: 700 .8rem/1 var(--mono); }
.service-row__body strong { display: block; font-size: 1.26rem; line-height: 1.4; letter-spacing: -.025em; }
.service-row__body small { display: block; margin-top: 3px; color: var(--ink-soft); font-size: .82rem; }
.service-row__arrow { justify-self: end; font-size: 1.5rem; line-height: 1; transition: transform .2s ease; }
.service-row:hover .service-row__arrow { transform: translate(3px, -3px); }
.safety-note { max-width: 82ch; margin: 26px 0 0; padding-left: 15px; border-left: 3px solid var(--accent-strong); color: var(--ink-soft); font-size: .81rem; }
.safety-note strong { color: var(--ink); }

.pricing { background: #e8eeeb; }
.price-table-wrap { overflow: hidden; background: var(--white); border: 1px solid #c6d0c9; }
.price-table { width: 100%; border-collapse: collapse; table-layout: fixed; }
.price-table caption { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.price-table th, .price-table td { padding: 20px 18px; text-align: left; vertical-align: top; font-size: .82rem; line-height: 1.6; overflow-wrap: anywhere; }
.price-table thead { color: #f7f7f1; background: var(--night); }
.price-table thead th { font: 700 .7rem/1.5 var(--mono); letter-spacing: .035em; }
.price-table thead th:first-child { width: 34%; }
.price-table thead th:nth-child(2) { width: 23%; }
.price-table thead th:nth-child(3) { width: 23%; }
.price-table tbody tr { border-bottom: 1px solid #d6ddd7; }
.price-table tbody tr:last-child { border-bottom: 0; }
.price-table tbody tr:nth-child(even) { background: #f7f7f2; }
.price-table tbody th { font-weight: 700; }
.price-table tbody td:nth-child(2) { color: #135d54; font-weight: 800; white-space: nowrap; }
.fee-callout { display: grid; grid-template-columns: 210px 1fr; gap: 20px; align-items: start; margin-top: 18px; padding: 23px 27px; background: #dce6df; border-left: 4px solid #2d7067; }
.fee-callout__label { padding-top: 2px; color: #1d5b53; font: 700 .69rem/1.5 var(--mono); letter-spacing: .04em; }
.fee-callout p { max-width: 78ch; margin: 0; font-size: .83rem; }

.process { color: #f6f7f0; background: #203b41; }
.process .eyebrow { color: var(--accent); }
.process .section-heading p:not(.eyebrow) { color: #c9d7d3; }
.process-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 0; padding: 0; border-top: 1px solid #668086; list-style: none; }
.process-list li { min-height: 220px; padding: 26px 22px 20px 0; border-right: 1px solid #668086; }
.process-list li + li { padding-left: 22px; }
.process-list li:last-child { border-right: 0; }
.process-list li > span { color: var(--accent); font: 700 .8rem/1 var(--mono); }
.process-list h3 { max-width: 15ch; margin: 22px 0 9px; font-size: 1.05rem; line-height: 1.4; }
.process-list p { max-width: 27ch; margin: 0; color: #c9d7d3; font-size: .78rem; }

.area { background: #f6f4ee; }
.area__grid { display: grid; grid-template-columns: 1fr minmax(400px, .9fr); align-items: center; gap: clamp(45px, 6vw, 100px); }
.area h2 { max-width: 620px; }
.area__copy > p:not(.eyebrow) { max-width: 61ch; margin: 22px 0 0; color: var(--ink-soft); font-size: .91rem; }
.area__copy .area__note { padding-left: 16px; border-left: 3px solid var(--accent-strong); font-size: .82rem !important; }
.text-action { min-height: 48px; margin-top: 18px; padding: 0; border: 0; border-bottom: 2px solid currentColor; color: #065f80; background: transparent; font-size: .84rem; font-weight: 800; text-align: left; transition: color .2s ease; }
.text-action:hover { color: var(--accent-strong); }
.text-action span { margin-left: 12px; }
.area-board { padding: 0 24px 22px; background: #fffefa; border: 1px solid #bbc8c3; box-shadow: 11px 11px 0 #d4ded8; }
.area-board__head { display: flex; justify-content: space-between; gap: 12px; margin-inline: -24px; padding: 15px 24px; border-bottom: 1px solid #cbd4ce; color: #526b6d; font: 700 .68rem/1.5 var(--mono); letter-spacing: .04em; }
.area-board__group { padding-block: 24px; border-bottom: 1px solid #dce2db; }
.area-board__group small { display: block; margin-bottom: 15px; color: #a55d34; font: 700 .68rem/1.5 var(--mono); letter-spacing: .04em; }
.area-board__group > div { display: flex; flex-wrap: wrap; gap: 9px; }
.area-board__group span { min-height: 40px; display: inline-flex; align-items: center; padding: 5px 12px; color: #163c38; background: #e2eee8; font-size: .76rem; font-weight: 700; }
.area-board__group--muted small { color: #5a6e71; }
.area-board__group--muted span { color: #42575a; background: #e8ece8; }
.area-board > p { margin: 18px 0 0; color: var(--ink-soft); font-size: .73rem; }

.faq { background: #fffefa; }
.faq__grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(35px, 6vw, 100px); }
.faq__list { border-top: 2px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { min-height: 75px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 15px 2px; font-size: .9rem; font-weight: 700; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; flex: none; color: #a55d34; font: 400 1.6rem/1 var(--mono); transition: transform .2s ease; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { max-width: 65ch; margin: 0 0 23px; color: var(--ink-soft); font-size: .83rem; }

.closing { color: #f6f7f0; background: var(--night); }
.closing__inner { display: flex; align-items: center; justify-content: space-between; gap: 50px; padding-block: 76px; }
.closing .eyebrow { color: var(--accent); }
.closing h2 { font-size: clamp(2.1rem, 3.2vw, 3.5rem); }
.closing p:not(.eyebrow) { max-width: 54ch; color: #c1d0cf; font-size: .84rem; }
.closing__actions { display: flex; flex: none; flex-direction: column; gap: 10px; width: min(300px, 100%); }
.closing__actions .button { justify-content: space-between; }
.site-footer { color: #bfcfcb; background: #0e1e23; }
.site-footer__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; padding-block: 36px; }
.site-footer strong { display: block; color: #f5f6ef; font-size: .79rem; letter-spacing: .04em; }
.site-footer p { max-width: 66ch; margin: 7px 0 0; font-size: .73rem; }
.site-footer a { color: #ffd0a9; }

.mobile-actions { display: none; }
.demo-dialog { width: min(100% - 32px, 480px); max-height: calc(100dvh - 40px); padding: 29px; border: 1px solid #aebdb7; color: var(--ink); background: var(--white); box-shadow: 12px 12px 0 #09191f; }
.demo-dialog::backdrop { background: rgb(8 24 28 / .74); }
.demo-dialog h2 { margin: 20px 0 8px; font-size: 1.6rem; line-height: 1.3; letter-spacing: -.04em; }
.demo-dialog p { color: var(--ink-soft); font-size: .88rem; }
.demo-dialog__reference { padding: 14px; background: #edf1ec; }
.demo-dialog__close { position: absolute; top: 9px; right: 10px; width: 48px; height: 48px; border: 0; color: var(--ink); background: transparent; font-size: 1.7rem; }
.demo-dialog__done { width: 100%; margin-top: 10px; }

@keyframes enter { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
@keyframes draw-line { to { stroke-dashoffset: 0; } }
@keyframes appear { to { opacity: 1; } }

@media (max-width: 1050px) {
  .main-nav { gap: 15px; }
  .main-nav a { font-size: .76rem; }
  .hero__grid { grid-template-columns: 1fr 380px; gap: 35px; }
  .hero h1 { font-size: clamp(2.75rem, 5vw, 4.5rem); }
}

@media (max-width: 900px) {
  .main-nav { display: none; }
  .header-call { margin-left: auto; }
  .hero__grid { grid-template-columns: 1fr; min-height: 0; padding-block: 64px 76px; }
  .hero__copy { max-width: 740px; }
  .dispatch { max-width: 650px; }
  .section-heading--split { grid-template-columns: 1fr; gap: 0; }
  .price-table thead { display: none; }
  .price-table, .price-table tbody { display: block; }
  .price-table tbody { display: grid; gap: 12px; padding: 12px; }
  .price-table tbody tr, .price-table tbody th, .price-table tbody td { display: block; }
  .price-table tbody tr { min-width: 0; padding: 18px; border: 1px solid #d1dbd3; background: var(--white) !important; }
  .price-table tbody th { padding: 0 0 15px; border-bottom: 1px solid #d6ddd7; font-size: .93rem; }
  .price-table tbody td { display: grid; grid-template-columns: minmax(110px, 40%) minmax(0, 1fr); gap: 8px; padding: 11px 0 0; font-size: .78rem; white-space: normal !important; }
  .price-table tbody td::before { content: attr(data-label); color: var(--ink-soft); font-weight: 500; }
  .process-list { grid-template-columns: repeat(2, 1fr); }
  .process-list li { min-height: 190px; border-bottom: 1px solid #668086; }
  .process-list li:nth-child(2) { border-right: 0; }
  .process-list li:nth-child(3), .process-list li:nth-child(4) { border-bottom: 0; }
  .process-list li:nth-child(3) { padding-left: 0; }
  .area__grid { grid-template-columns: 1fr; }
  .area-board { max-width: 680px; }
}

@media (max-width: 700px) {
  body { padding-bottom: calc(70px + env(safe-area-inset-bottom)); }
  .container { width: min(100% - 36px, 1180px); }
  .demo-strip__inner { min-height: 46px; gap: 8px; font-size: .62rem; line-height: 1.4; }
  .demo-strip a { display: none; }
  .site-header__inner { min-height: 66px; gap: 12px; }
  .brand { gap: 8px; }
  .brand__mark { width: 34px; height: 34px; }
  .brand__mark svg { width: 28px; height: 28px; }
  .brand__name { max-width: 142px; font-size: .69rem; }
  .header-call { min-height: 48px; padding: 0 10px; font-size: .73rem; }
  .header-call span { display: none; }
  .hero__grid { gap: 34px; padding-block: 52px 61px; }
  .hero h1 { font-size: clamp(2.45rem, 9.2vw, 3.4rem); }
  .hero__lead { margin-top: 20px; font-size: .86rem; line-height: 1.75; }
  .hero__actions { margin-top: 24px; }
  .hero__actions .button { width: 100%; justify-content: space-between; }
  .hero__aside { font-size: .68rem; }
  .dispatch { box-shadow: 8px 8px 0 #09191f; }
  .dispatch__visual { height: 122px; }
  .decision-strip__grid { grid-template-columns: 1fr; }
  .decision-strip__grid > div { display: grid; grid-template-columns: 95px 1fr; gap: 12px; align-items: center; padding: 13px 0; border-left: 0; border-bottom: 1px solid #d4c7b7; }
  .decision-strip__grid > div:last-child { border-right: 0; border-bottom: 0; }
  .decision-strip span { margin: 0; }
  .decision-strip strong { font-size: .76rem; }
  .section { padding-block: 72px; }
  .section-heading { margin-bottom: 30px; }
  .section-heading h2, .area h2 { font-size: clamp(2rem, 7.2vw, 2.8rem); }
  .section-heading p:not(.eyebrow) { font-size: .84rem; }
  .service-row { min-height: 92px; grid-template-columns: 35px 1fr 23px; gap: 11px; padding: 14px 5px; }
  .service-row:hover, .service-row:focus-visible { padding-left: 8px; }
  .service-row__body strong { font-size: .97rem; }
  .service-row__body small { font-size: .72rem; line-height: 1.45; }
  .service-row__arrow { font-size: 1.25rem; }
  .fee-callout { grid-template-columns: 1fr; gap: 8px; padding: 18px; }
  .process-list { grid-template-columns: 1fr; }
  .process-list li, .process-list li + li, .process-list li:nth-child(3) { min-height: 0; display: grid; grid-template-columns: 43px 1fr; gap: 6px; padding: 17px 0; border-right: 0; border-bottom: 1px solid #668086; }
  .process-list li:last-child { border-bottom: 0; }
  .process-list h3 { max-width: none; margin: 0 0 5px; font-size: .96rem; }
  .process-list p { max-width: 50ch; }
  .area__grid { gap: 32px; }
  .faq__grid { grid-template-columns: 1fr; gap: 12px; }
  .faq summary { min-height: 70px; font-size: .82rem; }
  .closing__inner { display: block; padding-block: 64px; }
  .closing h2 { font-size: 2.2rem; }
  .closing__actions { margin-top: 27px; }
  .site-footer__inner { grid-template-columns: 1fr; gap: 14px; padding-block: 28px; }
  .mobile-actions { position: fixed; z-index: 35; inset: auto 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 9px 12px calc(9px + env(safe-area-inset-bottom)); background: #fffefa; border-top: 1px solid #cbd1ca; box-shadow: 0 -8px 28px rgb(9 25 31 / .1); }
  .mobile-actions button { min-height: 51px; display: flex; align-items: center; justify-content: space-between; gap: 5px; padding: 8px 13px; border: 0; font-size: .78rem; font-weight: 800; }
  .mobile-actions__call { color: #19292e; background: var(--accent); }
  .mobile-actions__zalo { color: #fff; background: var(--blue); }
}

@media (max-width: 390px) {
  .container { width: min(100% - 30px, 1180px); }
  .brand__name { max-width: 121px; font-size: .62rem; }
  .header-call { padding: 0 8px; font-size: .68rem; }
  .hero h1 { font-size: clamp(2.22rem, 9vw, 2.8rem); }
  .eyebrow { font-size: .67rem; }
  .dispatch__top, .dispatch__bottom { font-size: .57rem; }
  .dispatch__steps { padding-inline: 16px; }
  .dispatch__steps li { gap: 10px; }
  .price-table tbody tr { padding: 15px; }
  .price-table tbody td { grid-template-columns: minmax(99px, 39%) minmax(0, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-delay: 0ms !important; transition-duration: .01ms !important; }
  .dispatch__route { stroke-dashoffset: 0; }
  .dispatch__node { opacity: 1; }
}