:root {
  --dark: #062a33;
  --dark-2: #0a3540;
  --dark-3: #041f26;
  --orange: #f47b3a;
  --orange-dark: #c9561d;
  --light: #f4f6f5;
  --white: #ffffff;
  --text: #17333a;
  --muted: #5f747a;
  --muted-dark: #a9bcc0;
  --line: rgba(10, 53, 64, 0.14);
  --line-dark: rgba(255, 255, 255, 0.14);
  --font: "Poppins", "Segoe UI", system-ui, -apple-system, sans-serif;
  --container: 1240px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--light);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  color: var(--orange);
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.svg-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.icon {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}

.container {
  width: min(100% - 48px, var(--container));
  margin-inline: auto;
}

.section {
  padding: 110px 0;
}

.section-dark {
  background: var(--dark);
  color: var(--white);
}

section[id],
main[id] {
  scroll-margin-top: 96px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 200;
  background: var(--orange);
  color: var(--white);
  padding: 12px 18px;
  font-weight: 600;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
}

.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;
}

/* Top bar */
.topbar {
  background: var(--dark-3);
  color: #c9d8db;
  border-bottom: 1px solid var(--line-dark);
  font-size: 13px;
}

.topbar-inner {
  min-height: 46px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.topbar-group {
  display: flex;
  align-items: center;
  gap: 26px;
  flex-wrap: wrap;
}

.topbar-group span,
.topbar-group a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.topbar .icon {
  width: 16px;
  height: 16px;
  color: var(--orange);
}

.topbar a:hover {
  color: var(--white);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(6, 42, 51, 0.98);
  border-bottom: 1px solid var(--line-dark);
  backdrop-filter: blur(10px);
  transition: box-shadow 0.25s ease;
}

.site-header.is-scrolled {
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.22);
}

.header-inner {
  min-height: 88px;
  display: flex;
  align-items: center;
  gap: 28px;
  position: relative;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  flex: none;
}

.brand:hover {
  color: var(--white);
}

.brand img {
  width: 48px;
  height: 48px;
  border-radius: 6px;
  object-fit: cover;
}

.brand-name {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  flex: 1;
  margin-left: 14px;
}

.main-nav a {
  color: #d8e4e6;
  font-size: 15px;
  font-weight: 500;
  padding: 10px 0;
  position: relative;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 4px;
  width: 0;
  height: 2px;
  background: var(--orange);
  transition: width 0.25s ease;
}

.main-nav a:hover {
  color: var(--white);
}

.main-nav a:hover::after {
  width: 100%;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--orange);
  color: var(--white);
  font-weight: 600;
  font-size: 14px;
  padding: 15px 30px;
  clip-path: polygon(8% 0, 100% 0, 92% 100%, 0 100%);
  white-space: nowrap;
  transition: background 0.2s ease;
}

.header-cta:hover {
  background: #ff8a4c;
  color: var(--white);
}

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line-dark);
  background: transparent;
  color: var(--white);
}

.menu-toggle .icon {
  width: 24px;
  height: 24px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: var(--orange);
  color: var(--white);
  font-weight: 600;
  font-size: 15px;
  padding: 16px 30px;
  border: 0;
  border-radius: 0;
  box-shadow: 8px 8px 0 rgba(201, 86, 29, 0.45);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  line-height: 1.2;
}

.btn:hover {
  background: #ff8a4c;
  color: var(--white);
  transform: translate(2px, 2px);
  box-shadow: 5px 5px 0 rgba(201, 86, 29, 0.45);
}

.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow: none;
  color: var(--white);
}

.btn-ghost:hover {
  background: var(--white);
  color: var(--dark);
}

.btn-outline {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.45);
  box-shadow: none;
  color: var(--white);
}

.btn-outline:hover {
  background: var(--white);
  color: var(--dark);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--orange);
  font-weight: 600;
  font-size: 14px;
}

.text-link .icon {
  width: 18px;
  height: 18px;
}

/* Sections and headings */
.eyebrow {
  margin: 0 0 12px;
  color: var(--orange);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow--light {
  color: #b9c9cc;
}

.section-head {
  max-width: 760px;
  margin-bottom: 50px;
}

.section-head--center {
  margin-inline: auto;
  text-align: center;
}

.section-head--row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
  max-width: none;
}

.section-head h2,
.section-head--row h2 {
  margin: 0;
  font-size: clamp(2rem, 3.5vw, 3.25rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  font-weight: 700;
}

.section-lead {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  max-width: 680px;
}

.section-head--center .section-lead {
  margin-inline: auto;
}

.section-lead--light {
  color: #b9c9cc;
}

.title-line {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 18px 0 22px;
  color: var(--orange);
}

.section-head--center .title-line {
  justify-content: center;
}

.title-line > span {
  display: block;
  width: 88px;
  height: 1px;
  background: var(--orange);
}

.title-line .icon {
  width: 24px;
  height: 24px;
}

.title-line--dark > span {
  background: rgba(244, 123, 58, 0.75);
}

/* Hero */
.hero {
  position: relative;
  min-height: 760px;
  background: var(--dark);
  overflow: hidden;
  color: var(--white);
}

.hero-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.75s ease, visibility 0.75s ease;
  background-color: var(--dark);
  background-image:
    radial-gradient(circle at 78% 30%, rgba(244, 123, 58, 0.22), transparent 42%),
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: auto, 64px 64px, 64px 64px;
  background-repeat: no-repeat, repeat, repeat;
}

.hero::before {
  content: "";
  position: absolute;
  right: 5%;
  top: 12%;
  z-index: 1;
  width: 560px;
  height: 560px;
  border: 1px solid rgba(244, 123, 58, 0.16);
  border-radius: 50%;
  box-shadow: 0 0 0 90px rgba(244, 123, 58, 0.05), 0 0 0 180px rgba(244, 123, 58, 0.025);
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  right: 7%;
  top: 50%;
  z-index: 1;
  width: 360px;
  height: 360px;
  transform: translateY(-50%);
  background: url("img/logo.jpg") center / contain no-repeat;
  filter: grayscale(1);
  opacity: 0.045;
  pointer-events: none;
}

.hero-slide::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(4, 31, 38, 0.35), rgba(4, 31, 38, 0.78));
}

.hero-slide.is-active {
  opacity: 1;
  visibility: visible;
}

.hero-slide--1 {
  background-image:
    radial-gradient(circle at 78% 30%, rgba(244, 123, 58, 0.24), transparent 42%),
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
}

.hero-slide--2 {
  background-image:
    radial-gradient(circle at 20% 25%, rgba(244, 123, 58, 0.2), transparent 40%),
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
}

.hero-slide--3 {
  background-image:
    radial-gradient(circle at 70% 75%, rgba(244, 123, 58, 0.22), transparent 42%),
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  text-align: center;
  padding: 140px 0 120px;
}

.hero h1 {
  margin: 0 0 22px;
  font-size: clamp(2.8rem, 5.8vw, 5rem);
  line-height: 1.06;
  letter-spacing: -0.04em;
  font-weight: 700;
  color: var(--white);
}

.hero h1 span {
  color: var(--orange);
}

.hero-desc {
  max-width: 700px;
  margin: 0 auto 34px;
  color: #d9e5e7;
  font-size: 18px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(4, 31, 38, 0.25);
  color: var(--white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.hero-arrow:hover {
  background: var(--orange);
  border-color: var(--orange);
}

.hero-arrow--prev {
  left: 28px;
}

.hero-arrow--next {
  right: 28px;
}

.hero-arrow .icon {
  width: 22px;
  height: 22px;
}

.hero-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 28px;
  z-index: 3;
  display: flex;
  justify-content: center;
  gap: 10px;
}

.hero-dot {
  width: 10px;
  height: 10px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  background: transparent;
  padding: 0;
  transition: background 0.2s ease, width 0.2s ease;
}

.hero-dot.is-active {
  width: 28px;
  background: var(--orange);
  border-color: var(--orange);
}

/* Quick links */
.quick-links {
  background: var(--light);
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.quick-card {
  position: relative;
  min-height: 410px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: var(--white);
  background-size: cover;
  background-repeat: no-repeat;
  isolation: isolate;
}

.quick-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(4, 31, 38, 0.45) 15%, rgba(4, 31, 38, 0.95) 100%);
  z-index: -1;
}

.quick-card--1 {
  background-image: url("img/mua-ho-taobao.jpg");
  background-position: 72% center;
}

.quick-card--2 {
  background-image: url("img/nguon-hang-1688.jpg");
  background-position: 72% center;
}

.quick-card--3 {
  background-image: url("img/chi-phi-van-chuyen.jpg");
  background-position: 82% center;
}

.quick-content {
  display: block;
  padding: 34px 30px;
  position: relative;
  z-index: 1;
}

.quick-kicker {
  display: block;
  color: var(--orange);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.quick-card h3 {
  margin: 0 0 10px;
  font-size: 28px;
  line-height: 1.2;
  color: var(--white);
}

.quick-card p {
  margin: 0 0 18px;
  color: #d4e1e3;
  font-size: 14px;
  line-height: 1.7;
  max-width: 340px;
}

.quick-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
}

.quick-card:hover .quick-more {
  color: var(--orange);
}

.quick-card:hover {
  color: var(--white);
}

/* Why / stats */
.why {
  padding: 110px 0;
}

.why-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 70px;
  align-items: center;
}

.why-copy h2 {
  margin: 0;
  font-size: clamp(2rem, 3.4vw, 3.2rem);
  line-height: 1.14;
  letter-spacing: -0.03em;
  color: var(--white);
}

.why-copy p {
  color: #b9c9cc;
  max-width: 560px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px 22px;
}

.stat {
  border-top: 1px solid var(--line-dark);
  padding-top: 18px;
}

.stat-num {
  display: block;
  color: var(--orange);
  font-size: 52px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
}

.stat-label {
  display: block;
  margin-top: 9px;
  color: #bfd0d3;
  font-size: 13px;
  line-height: 1.5;
}

/* Services */
.services-section {
  background: var(--light);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr 1fr;
  gap: 42px;
  align-items: start;
}

.services-intro h2 {
  margin: 0;
  font-size: clamp(2rem, 3.2vw, 3rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
}

.services-intro p {
  color: var(--muted);
  font-size: 15px;
}

.services-intro .btn {
  margin-top: 10px;
}

.services-list {
  border-top: 1px solid var(--line);
}

.service-item {
  border-bottom: 1px solid var(--line);
  transition: background 0.25s ease, color 0.25s ease, margin 0.25s ease, padding 0.25s ease;
  outline: none;
}

.service-item:focus-visible {
  box-shadow: 0 0 0 2px var(--orange);
}

.service-item-head {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 20px 4px;
}

.service-icon {
  width: 28px;
  height: 28px;
  color: var(--text);
}

.service-name {
  font-size: 21px;
  font-weight: 600;
  line-height: 1.25;
  color: var(--text);
}

.service-item-body {
  display: none;
  padding: 0 4px 24px 46px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.service-item-body p {
  margin: 0 0 14px;
}

.service-item.is-active {
  background: var(--dark);
  color: var(--white);
  margin: 0 -22px;
  padding: 0 22px;
  border-color: transparent;
}

.service-item.is-active .service-name {
  color: var(--white);
}

.service-item.is-active .service-icon {
  color: var(--orange);
}

.service-item.is-active .service-item-body {
  display: block;
}

.service-item.is-active .text-link {
  color: var(--orange);
}

.services-visual {
  position: relative;
  min-height: 480px;
  background: var(--dark);
  overflow: hidden;
}

.services-visual img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  object-position: 72% center;
  display: block;
  filter: brightness(0.92) saturate(0.95);
  transition: opacity 0.25s ease;
}

.services-visual-badge {
  position: absolute;
  left: 0;
  bottom: 0;
  background: var(--orange);
  color: var(--white);
  padding: 13px 24px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

/* Cost / split */
.cost {
  padding: 110px 0;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.split-media img {
  width: 100%;
  height: 540px;
  object-fit: cover;
  object-position: 90% center;
  filter: brightness(0.9) saturate(0.95);
  display: block;
}

.split-copy h2 {
  margin: 0;
  color: var(--white);
  font-size: clamp(2rem, 3.4vw, 3.2rem);
  line-height: 1.14;
  letter-spacing: -0.03em;
}

.split-copy p {
  color: #b9c9cc;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 28px 0;
  display: grid;
  gap: 18px;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.check-list .icon {
  width: 24px;
  height: 24px;
  color: var(--orange);
  margin-top: 2px;
}

.check-list strong {
  display: block;
  color: var(--white);
  font-size: 15px;
  margin-bottom: 2px;
}

.check-list span {
  color: #b9c9cc;
  font-size: 14px;
  line-height: 1.65;
}

.check-list--light .icon {
  color: var(--orange);
}

.check-list--light span {
  color: var(--muted);
}

/* Quote */
.quote-section {
  position: relative;
  background: var(--light);
  overflow: hidden;
  padding: 110px 0;
}

.quote-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(10, 53, 64, 0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(10, 53, 64, 0.05) 1px, transparent 1px);
  background-size: 42px 42px;
  pointer-events: none;
}

.quote-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.12fr 1fr;
  background: var(--white);
  box-shadow: 0 30px 70px rgba(6, 42, 51, 0.08);
}

.quote-panel {
  padding: 56px;
}

.quote-panel h2 {
  margin: 0;
  font-size: clamp(1.9rem, 3.1vw, 2.9rem);
  line-height: 1.14;
  letter-spacing: -0.03em;
}

.quote-panel > p {
  color: var(--muted);
}

.quote-media img {
  width: 100%;
  height: 100%;
  min-height: 580px;
  object-fit: cover;
  object-position: center;
  display: block;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 26px;
}

.form-grid label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.form-grid label.full {
  grid-column: 1 / -1;
}

.form-grid input,
.form-grid select,
.form-grid textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--white);
  padding: 14px 16px;
  font: inherit;
  font-size: 14px;
  color: var(--text);
  border-radius: 0;
  outline: none;
  transition: border-color 0.2s ease;
}

.form-grid textarea {
  resize: vertical;
  min-height: 110px;
}

.form-grid input:focus,
.form-grid select:focus,
.form-grid textarea:focus {
  border-color: var(--orange);
}

.form-grid .checkbox-row {
  flex-direction: row;
  align-items: flex-start;
  gap: 10px;
  font-weight: 400;
  color: var(--muted);
  font-size: 13px;
}

.form-grid .checkbox-row input {
  width: 17px;
  height: 17px;
  padding: 0;
  accent-color: var(--orange);
  margin-top: 3px;
  flex: none;
}

.form-note {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 12px;
}

/* Roles */
.roles {
  padding: 110px 0;
}

.roles-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
}

.role-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  background: var(--white);
  color: var(--text);
  min-height: 235px;
}

.role-media img {
  width: 100%;
  height: 100%;
  min-height: 235px;
  object-fit: cover;
  object-position: 78% center;
  filter: saturate(0.9) brightness(0.94);
  display: block;
}

.role-body {
  padding: 28px 30px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.role-kicker {
  color: var(--orange);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.role-body h3 {
  margin: 8px 0 10px;
  font-size: 21px;
  line-height: 1.3;
}

.role-body p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.role-arrow {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--dark);
  color: var(--white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease;
}

.role-arrow:hover {
  background: var(--orange);
  color: var(--white);
}

.role-arrow .icon {
  width: 20px;
  height: 20px;
}

/* Process */
.process {
  background: var(--light);
}

.timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  margin-top: 50px;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 26px;
  left: 4%;
  right: 4%;
  height: 1px;
  background: var(--line);
}

.step {
  position: relative;
  padding-top: 72px;
}

.step-num {
  position: absolute;
  top: 0;
  left: 0;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--light);
  border: 1px solid var(--line);
  color: var(--orange);
  font-weight: 700;
  font-size: 15px;
  z-index: 1;
}

.step h3 {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.3;
}

.step p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.process-cta {
  text-align: center;
  margin-top: 50px;
}

/* Gallery */
.gallery {
  padding: 110px 0;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.gallery-card {
  position: relative;
  display: block;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  color: var(--white);
}

.gallery-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 35%, rgba(4, 31, 38, 0.9));
}

.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 72% center;
  transition: transform 0.5s ease;
}

.gallery-card:hover img {
  transform: scale(1.06);
}

.gallery-card:hover {
  color: var(--white);
}

.gallery-card span {
  position: absolute;
  left: 22px;
  bottom: 20px;
  z-index: 1;
  font-size: 15px;
  font-weight: 600;
}

/* Tracking */
.tracking {
  position: relative;
  background: var(--light);
  overflow: hidden;
  padding: 110px 0;
}

.tracking::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(10, 53, 64, 0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(10, 53, 64, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}

.tracking::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 55%;
  height: 100%;
  background: url("img/giao-hang.jpg") center / cover no-repeat;
  opacity: 0.1;
  pointer-events: none;
}

.tracking-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 480px;
  gap: 60px;
  align-items: center;
}

.tracking-copy h2 {
  margin: 0;
  font-size: clamp(2rem, 3.4vw, 3.2rem);
  line-height: 1.14;
  letter-spacing: -0.03em;
}

.tracking-copy > p {
  color: var(--muted);
  max-width: 560px;
}

.tracking-card {
  background: var(--orange);
  color: #102b33;
  padding: 38px;
  box-shadow: 14px 14px 0 rgba(201, 86, 29, 0.35);
}

.tracking-card h3 {
  margin: 0 0 20px;
  font-size: 24px;
  line-height: 1.3;
  color: #102b33;
}

.tracking-card label {
  display: block;
  margin-bottom: 16px;
  font-size: 13px;
  font-weight: 600;
  color: #102b33;
}

.tracking-card input,
.tracking-card select {
  width: 100%;
  border: 0;
  border-bottom: 1px solid rgba(16, 43, 51, 0.3);
  background: transparent;
  padding: 10px 0;
  font: inherit;
  font-size: 14px;
  color: #102b33;
  outline: none;
  border-radius: 0;
}

.tracking-card input::placeholder {
  color: rgba(16, 43, 51, 0.55);
}

.tracking-card select option {
  color: var(--text);
}

.tracking-card .two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.tracking-card .btn {
  width: 100%;
  margin-top: 12px;
  background: var(--dark);
  color: var(--white);
  box-shadow: 6px 6px 0 rgba(4, 31, 38, 0.35);
}

.tracking-card .btn:hover {
  background: var(--dark-2);
}

/* Blog */
.blog {
  padding: 110px 0;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.blog-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line-dark);
  display: flex;
  flex-direction: column;
}

.blog-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: 72% center;
  filter: brightness(0.92);
}

.blog-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.blog-meta {
  margin: 0 0 8px;
  color: var(--orange);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.blog-body h3 {
  margin: 0 0 10px;
  font-size: 19px;
  line-height: 1.45;
}

.blog-body h3 a {
  color: var(--white);
}

.blog-body h3 a:hover {
  color: var(--orange);
}

.blog-body > p {
  margin: 0 0 18px;
  color: #b9c9cc;
  font-size: 14px;
  line-height: 1.7;
  flex: 1;
}

/* CTA */
.cta {
  background: var(--light);
  padding: 80px 0;
}

.cta-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: center;
  border-top: 1px solid var(--line);
  padding-top: 60px;
}

.cta-inner h2 {
  margin: 0 0 8px;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.18;
  letter-spacing: -0.03em;
}

.cta-inner p {
  margin: 0;
  color: var(--muted);
}

.newsletter-form {
  display: flex;
  gap: 12px;
}

.newsletter-form input {
  flex: 1;
  min-width: 0;
  border: 1px solid var(--line);
  background: var(--white);
  padding: 16px 18px;
  font: inherit;
  font-size: 14px;
  outline: none;
}

.newsletter-form input:focus {
  border-color: var(--orange);
}

/* Footer */
.site-footer {
  background: var(--dark-3);
  color: #b9c9cc;
  padding: 80px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand .brand {
  margin-bottom: 18px;
}

.footer-brand .brand-name {
  color: var(--white);
}

.footer-brand p {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.8;
  max-width: 330px;
}

.footer-site {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--orange);
  font-size: 14px;
  font-weight: 600;
}

.footer-site .icon {
  width: 18px;
  height: 18px;
}

.footer-col h3 {
  margin: 0 0 18px;
  color: var(--white);
  font-size: 16px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.footer-col a {
  color: #b9c9cc;
  font-size: 14px;
}

.footer-col a:hover {
  color: var(--orange);
}

.footer-bottom {
  border-top: 1px solid var(--line-dark);
  margin-top: 60px;
  padding: 22px 0;
  font-size: 13px;
  color: #8fa4a9;
}

.footer-bottom p {
  margin: 0;
}

.footer-bottom a {
  color: var(--orange);
}

/* Back to top and toast */
.back-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 70;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--orange);
  color: var(--white);
  border: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
}

.back-top.show {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.back-top:hover {
  background: var(--dark);
}

.back-top .icon {
  transform: rotate(90deg);
  width: 22px;
  height: 22px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 30px;
  z-index: 100;
  max-width: min(90vw, 480px);
  padding: 14px 22px;
  background: var(--dark);
  color: var(--white);
  font-size: 14px;
  line-height: 1.5;
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 16px);
  transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.25);
}

.toast.show {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

/* Reveal animation */
.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Responsive */
@media (max-width: 1100px) {
  .header-inner {
    gap: 18px;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 18px 24px 24px;
    background: var(--dark);
    border-top: 1px solid var(--line-dark);
    margin: 0;
    box-shadow: 0 20px 30px rgba(0, 0, 0, 0.2);
  }

  .main-nav.is-open {
    display: flex;
  }

  .main-nav a {
    width: 100%;
    padding: 10px 0;
    border-bottom: 1px solid var(--line-dark);
  }

  .main-nav a::after {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .header-cta {
    margin-left: 0;
  }

  .why-grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .services-grid {
    grid-template-columns: 1fr 1.2fr;
    gap: 34px;
  }

  .services-visual {
    grid-column: 1 / -1;
    min-height: 380px;
  }

  .services-visual img {
    height: 380px;
  }

  .quote-grid {
    grid-template-columns: 1fr;
  }

  .quote-media img {
    min-height: 380px;
  }

  .roles-grid {
    grid-template-columns: 1fr;
  }

  .tracking-grid {
    grid-template-columns: 1fr 430px;
    gap: 40px;
  }

  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .section,
  .why,
  .cost,
  .quote-section,
  .roles,
  .gallery,
  .tracking,
  .blog {
    padding: 80px 0;
  }

  .hero {
    min-height: 680px;
  }

  .hero-content {
    padding: 120px 0 100px;
  }

  .quick-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .quick-card {
    min-height: 360px;
  }

  .quick-card--3 {
    grid-column: 1 / -1;
  }

  .stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .split {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .split-media img {
    height: 420px;
  }

  .tracking-grid {
    grid-template-columns: 1fr;
  }

  .tracking-card {
    max-width: 560px;
  }

  .cta-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 34px;
  }

  .section-head--row {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-arrow {
    width: 42px;
    height: 42px;
  }

  .hero-arrow--prev {
    left: 12px;
  }

  .hero-arrow--next {
    right: 12px;
  }
}

@media (max-width: 700px) {
  .container {
    width: min(100% - 32px, var(--container));
  }

  .topbar-group {
    gap: 14px;
  }

  .topbar-group span:nth-child(3) {
    display: none;
  }

  .header-inner {
    min-height: 74px;
  }

  .brand img {
    width: 42px;
    height: 42px;
  }

  .brand-name {
    font-size: 17px;
  }

  .header-cta {
    display: none;
  }

  .hero {
    min-height: 640px;
  }

  .hero h1 {
    font-size: clamp(2.2rem, 8.4vw, 3.4rem);
  }

  .hero-desc {
    font-size: 16px;
  }

  .hero-actions {
    gap: 12px;
  }

  .quick-grid {
    grid-template-columns: 1fr;
  }

  .quick-card--3 {
    grid-column: auto;
  }

  .quick-card {
    min-height: 340px;
  }

  .stats {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .stat-num {
    font-size: 42px;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .services-visual {
    grid-column: auto;
  }

  .service-item.is-active {
    margin: 0 -14px;
    padding: 0 14px;
  }

  .quote-panel {
    padding: 30px 24px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .role-card {
    grid-template-columns: 1fr;
  }

  .role-media img {
    height: 220px;
    min-height: 0;
  }

  .timeline {
    grid-template-columns: 1fr;
    gap: 0;
    margin-top: 30px;
  }

  .timeline::before {
    top: 0;
    bottom: 0;
    left: 26px;
    right: auto;
    width: 1px;
    height: auto;
  }

  .step {
    padding: 0 0 34px 78px;
  }

  .step-num {
    top: 0;
    left: 0;
  }

  .gallery-grid {
    grid-template-columns: 1fr 1fr;
  }

  .tracking-card {
    padding: 28px 24px;
  }

  .tracking-card .two-col {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .blog-grid {
    grid-template-columns: 1fr;
  }

  .newsletter-form {
    flex-direction: column;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    margin-top: 40px;
  }

  .hero-arrow {
    display: none;
  }
}

@media (max-width: 480px) {
  .topbar-inner {
    min-height: 42px;
  }

  .topbar-group span {
    display: none;
  }

  .brand-name {
    max-width: 150px;
    line-height: 1.1;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }

  .stats {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-slide,
  .js .reveal,
  .btn,
  .back-top,
  .toast {
    transition: none !important;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}