/* ============================================================================
   AI-CONTINUE: File CSS chính của toàn bộ site.
   - Mọi màu sắc / font phải dùng biến trong khối :root bên dưới, KHÔNG hard-code
     mã màu mới ở nơi khác trừ khi thật sự cần một biến thể (nếu vậy, hãy thêm
     biến mới vào :root, không viết số hex rời rạc trong các rule).
   - Xem triết lý thiết kế + lý do chọn palette trong /RULES.md mục "Design".
   ========================================================================== */

:root {
  /* --- Màu sắc: "Bến sông Cần Thơ" — teal sông nước + vàng xoài chín --- */
  --color-bg:          #F5FAF8; /* nền chính - bọt sóng nhạt */
  --color-bg-alt:      #E9F5F0; /* nền xen kẽ giữa các section */
  --color-surface:     #FFFFFF; /* thẻ / card */
  --color-ink:         #103832; /* chữ chính - xanh than đậm */
  --color-ink-soft:    #4C6D66; /* chữ phụ */
  --color-primary:     #0B7A75; /* teal sông Hậu - màu thương hiệu */
  --color-primary-dk:  #075753; /* teal đậm - hover/nhấn */
  --color-primary-lt:  #E3F3F0; /* teal rất nhạt - nền badge */
  --color-accent:      #FFB627; /* vàng xoài chín - điểm nhấn thứ 2 */
  --color-accent-dk:   #E29A0C;
  --color-cta:         #FF6B45; /* cam san hô - nút gọi hành động chính */
  --color-cta-dk:      #E0521F;
  --color-line:        #D8E9E3; /* viền, chia section */

  /* --- Typography --- */
  --font-display: 'Baloo 2', 'Be Vietnam Pro', sans-serif;
  --font-body:    'Be Vietnam Pro', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* --- Bo góc & bóng đổ (bo tròn mềm mại, hiện đại) --- */
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 10px rgba(16, 56, 50, 0.06);
  --shadow-md: 0 12px 32px rgba(16, 56, 50, 0.10);
  --shadow-lg: 0 24px 60px rgba(16, 56, 50, 0.16);

  --container-w: 1160px;
}

/* ---------- Reset cơ bản ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-ink);
  line-height: 1.15;
  margin: 0 0 .5em;
  font-weight: 700;
}
p { margin: 0 0 1em; }
button { font-family: inherit; cursor: pointer; }

.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 88px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-tight { padding: 56px 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-lt);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 18px;
  font-weight: 600;
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-cta);
  flex-shrink: 0;
}

.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head h2 { font-size: clamp(28px, 3.4vw, 40px); }
.section-head p { color: var(--color-ink-soft); font-size: 17px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }

/* ---------- Nút bấm ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 15.5px;
  border: 2px solid transparent;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--color-cta);
  color: #fff;
  box-shadow: 0 10px 24px rgba(255, 107, 69, 0.35);
}
.btn-primary:hover { background: var(--color-cta-dk); box-shadow: 0 14px 30px rgba(255,107,69,.42); }
.btn-outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-outline:hover { background: var(--color-primary); color: #fff; }
.btn-ghost { background: var(--color-surface); color: var(--color-ink); box-shadow: var(--shadow-sm); }
.btn-block { width: 100%; }
.btn-sm { padding: 10px 18px; font-size: 14px; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 500;
  background: rgba(245, 250, 248, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
}
.nav-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0;
}
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 700; font-size: 20px; color: var(--color-primary-dk); }
.brand-mark {
  width: 38px; height: 38px; border-radius: 12px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dk));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 18px; flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}
.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links a {
  font-weight: 600; font-size: 15px; color: var(--color-ink-soft);
  position: relative; padding: 4px 0;
}
.nav-links a:hover, .nav-links a.active { color: var(--color-primary-dk); }
.nav-links a.active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 3px;
  background: var(--color-accent); border-radius: var(--radius-pill);
}
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-phone { display: flex; flex-direction: column; text-align: right; }
.nav-phone small { color: var(--color-ink-soft); font-size: 11.5px; }
.nav-phone strong { font-family: var(--font-mono); color: var(--color-primary-dk); font-size: 15px; }
.nav-toggle { display: none; }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; background: none; border: none; }
  .nav-phone small { display: none; }
}

/* ---------- Hero + tuyến đường "signature" ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 76px 0 60px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 48px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(34px, 4.4vw, 54px);
  letter-spacing: -.01em;
}
.hero h1 .accent { color: var(--color-primary); }
.hero-lead { font-size: 18px; color: var(--color-ink-soft); max-width: 480px; }
.hero-actions { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 32px; margin-top: 44px; }
.hero-stat strong { display: block; font-family: var(--font-mono); font-size: 26px; color: var(--color-primary-dk); }
.hero-stat span { font-size: 13px; color: var(--color-ink-soft); }

.hero-visual { position: relative; }
.route-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 28px;
  position: relative;
  z-index: 2;
}
.route-card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.route-card-top .badge {
  background: var(--color-primary-lt); color: var(--color-primary-dk);
  font-size: 12px; font-weight: 700; padding: 6px 12px; border-radius: var(--radius-pill);
  font-family: var(--font-mono);
}
.route-line-svg { width: 100%; height: auto; display: block; }
.route-stop-label { font-size: 13px; color: var(--color-ink-soft); }
.route-stop-name { font-weight: 700; font-size: 14.5px; }

/* dashed route path animation - dấu hiệu riêng của thương hiệu */
.route-path {
  fill: none;
  stroke: var(--color-primary);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 8 10;
  animation: dash-flow 12s linear infinite;
}
@keyframes dash-flow { to { stroke-dashoffset: -400; } }
.route-dot { fill: var(--color-surface); stroke: var(--color-primary); stroke-width: 3; }
.route-dot.filled { fill: var(--color-accent); stroke: var(--color-accent-dk); }

.hero-blob {
  position: absolute; z-index: 1;
  width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
  opacity: .18; top: -140px; right: -120px;
}

/* ---------- Trust strip ---------- */
.trust-strip { display: flex; flex-wrap: wrap; gap: 12px 32px; align-items: center; justify-content: center; padding: 22px 0; }
.trust-item { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; color: var(--color-ink-soft); }
.trust-item svg { color: var(--color-primary); flex-shrink: 0; }

/* ---------- Service cards ---------- */
.grid-services { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 24px; }
.service-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 30px 26px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-line);
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
  display: flex; flex-direction: column; height: 100%;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.service-icon {
  width: 52px; height: 52px; border-radius: 16px;
  background: var(--color-primary-lt); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}
.service-card h3 { font-size: 19px; margin-bottom: 8px; }
.service-card p { color: var(--color-ink-soft); font-size: 14.5px; flex-grow: 1; }
.service-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; color: var(--color-primary-dk); font-size: 14.5px; margin-top: 14px; }
.service-link:hover { gap: 10px; }

/* ---------- Quy trình đặt xe (số thứ tự có ý nghĩa - đúng là 1 chuỗi bước) ---------- */
.process-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.process-step { position: relative; padding-top: 8px; }
.process-num {
  font-family: var(--font-mono); font-size: 15px; font-weight: 700;
  color: var(--color-primary-dk); background: var(--color-primary-lt);
  width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.process-step h4 { font-size: 16.5px; margin-bottom: 6px; }
.process-step p { color: var(--color-ink-soft); font-size: 14px; margin: 0; }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--color-primary-dk), var(--color-primary));
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  color: #fff;
  display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap;
  position: relative; overflow: hidden;
}
.cta-band h2 { color: #fff; font-size: 28px; margin-bottom: 6px; }
.cta-band p { color: rgba(255,255,255,.82); margin: 0; }
.cta-band .btn-primary { background: var(--color-accent); color: var(--color-primary-dk); box-shadow: none; }
.cta-band .btn-primary:hover { background: var(--color-accent-dk); }

/* ---------- Bảng giá (utility numbers dùng font mono) ---------- */
.price-table { width: 100%; border-collapse: collapse; background: var(--color-surface); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); }
.price-table th, .price-table td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--color-line); }
.price-table th { background: var(--color-primary-lt); color: var(--color-primary-dk); font-size: 13px; text-transform: uppercase; letter-spacing: .04em; }
.price-table td.price { font-family: var(--font-mono); font-weight: 700; color: var(--color-primary-dk); }
.price-table tr:last-child td { border-bottom: none; }
.price-note { font-size: 13.5px; color: var(--color-ink-soft); margin-top: 14px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-ink); color: rgba(255,255,255,.72); padding: 64px 0 28px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.1fr; gap: 40px; }
.footer-grid h4 { color: #fff; font-size: 15px; margin-bottom: 18px; }
.footer-grid p, .footer-grid a { font-size: 14px; color: rgba(255,255,255,.65); }
.footer-grid ul li { margin-bottom: 10px; }
.footer-grid a:hover { color: var(--color-accent); }
.footer-brand { font-family: var(--font-display); font-size: 20px; color: #fff; margin-bottom: 12px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 44px; padding-top: 22px; font-size: 13px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* ---------- Trang con: hero phụ ---------- */
.page-hero { padding: 56px 0 40px; text-align: center; }
.page-hero .eyebrow { margin-left: auto; margin-right: auto; }
.page-hero h1 { font-size: clamp(28px, 3.6vw, 42px); }
.breadcrumb { font-size: 13.5px; color: var(--color-ink-soft); margin-bottom: 14px; }
.breadcrumb a { color: var(--color-primary-dk); font-weight: 600; }

.detail-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 40px; align-items: start; }
.info-card { background: var(--color-surface); border-radius: var(--radius-md); padding: 26px; box-shadow: var(--shadow-sm); border: 1px solid var(--color-line); }
.info-card h3 { font-size: 17px; }
.checklist li { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 12px; font-size: 14.5px; color: var(--color-ink-soft); }
.checklist svg { color: var(--color-primary); flex-shrink: 0; margin-top: 2px; }

/* ---------- Form liên hệ ---------- */
.contact-form { display: grid; gap: 16px; }
.contact-form label { font-size: 13.5px; font-weight: 700; color: var(--color-ink); display: block; margin-bottom: 6px; }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%; padding: 13px 16px; border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-line); font-family: inherit; font-size: 14.5px;
  background: var(--color-surface); color: var(--color-ink);
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 4px var(--color-primary-lt);
}
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-note { font-size: 12.5px; color: var(--color-ink-soft); }

/* Focus mặc định luôn rõ ràng cho toàn site (accessibility) */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--color-accent); outline-offset: 2px;
}

@media (max-width: 940px) {
  .hero-grid { grid-template-columns: 1fr; }
  .process-row { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-grid { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; text-align: center; }
  .form-row-2 { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .section { padding: 56px 0; }
  .process-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; row-gap: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  .route-path { animation: none; }
  html { scroll-behavior: auto; }
}