/* ==========================================================================
   SỬA NHÀ NHANH 24H — design system
   Palette: CORAL #ff7f50 là màu thương hiệu chủ đạo.
   Lưu ý tương phản: chữ trắng trên coral chỉ đạt 2.5:1, nên mọi nút coral
   dùng CHỮ MỰC ĐẬM (5.5:1). Coral sáng chỉ dùng cho mảng lớn, không dùng
   làm màu chữ nhỏ hay icon trên nền sáng.
   ========================================================================== */

:root {
  /* Coral — màu thương hiệu chính */
  --coral: #ff7f50;          /* nút, mảng nhấn lớn */
  --coral-hover: #f97345;    /* trạng thái hover của nút (chữ mực đạt 4.95:1) */
  --coral-deep: #e8622f;     /* đồ họa, chữ lớn trên nền sáng (3.4:1) */
  --coral-text: #bd4610;     /* chữ nhỏ màu coral trên nền sáng (5.2:1) */
  --coral-soft: #fff0e9;     /* nền coral rất nhạt */
  --coral-bright: #ff9d78;   /* gradient, glow, nhấn trên nền tối */

  /* Mực — chữ và nền tối */
  --ink: #12313e;            /* petrol đậm — chữ chính, footer */
  --ink-2: #1d4553;
  --ink-soft: #556a74;       /* chữ phụ */
  --ink-faint: #64757f;
  --accent: #ffc9a8;         /* nhấn trên nền tối */
  --star: #bd8400;           /* vàng sao đánh giá (3.25:1 trên nền sáng) */
  --ok: #0f7a5a;
  --ok-soft: #e7f7f0;

  /* Neutrals */
  --bg: #fffaf7;
  --bg-2: #fff1ea;
  --card: #ffffff;
  --line: #f2e3da;
  --line-dark: rgba(255, 255, 255, 0.16);

  /* Shape & depth */
  --r-sm: 10px;
  --r: 16px;
  --r-lg: 22px;
  --r-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(18, 49, 62, 0.06), 0 2px 8px rgba(18, 49, 62, 0.05);
  --shadow: 0 12px 32px rgba(18, 49, 62, 0.10);
  --shadow-lg: 0 24px 60px rgba(18, 49, 62, 0.18);

  /* Type */
  --font: "Be Vietnam Pro", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
          "Helvetica Neue", Arial, sans-serif;
  --container: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }

.container { width: min(var(--container), 100% - 40px); margin-inline: auto; }
.shell { width: 100%; padding-inline: clamp(16px, 3.4vw, 48px); }
.section { padding: 84px 0; }
.section--tight { padding: 56px 0; }
.section--dark { background: var(--ink); color: #fff; }
.section--white { background: #fff; }
.section--soft { background: var(--bg-2); }

/* ---------- Typography helpers ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--coral-text);
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--coral); border-radius: 2px; }
h1, h2, h3, h4 { margin: 0 0 12px; line-height: 1.2; letter-spacing: -0.02em; }
h1 { font-size: clamp(30px, 4.4vw, 52px); font-weight: 800; }
h2 { font-size: clamp(24px, 3vw, 36px); font-weight: 800; }
h3 { font-size: 19px; font-weight: 700; }
.lead { font-size: clamp(16px, 1.6vw, 18px); color: var(--ink-soft); max-width: 62ch; }
.section-head { max-width: 720px; margin-bottom: 44px; }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .lead { margin-inline: auto; }
.section--dark .eyebrow { color: var(--accent); }
.section--dark .eyebrow::before { background: var(--accent); }
.muted { color: var(--ink-soft); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 13px 22px; border-radius: var(--r-pill); border: 1.5px solid transparent;
  font-weight: 700; font-size: 15px; cursor: pointer; white-space: nowrap;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--coral); color: var(--ink); box-shadow: 0 10px 24px rgba(255, 127, 80, 0.40); }
.btn--primary:hover { background: var(--coral-hover); }
.btn--ghost { background: #fff; border-color: var(--line); color: var(--ink); }
.btn--ghost:hover { border-color: var(--coral); color: var(--coral-text); background: var(--coral-soft); }
.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: var(--ink-2); }
.btn--outline { background: #fff; border-color: var(--line); color: var(--ink); box-shadow: 0 2px 10px rgba(18, 49, 62, 0.06); }
.btn--outline:hover { border-color: var(--coral); color: var(--coral-text); }
.btn--lg { padding: 16px 28px; font-size: 16px; }
.btn--block { width: 100%; }
.btn svg { width: 18px; height: 18px; flex: none; }
.link-more {
  display: inline-flex; align-items: center; gap: 8px; font-weight: 700; color: var(--coral-text);
}
.link-more svg { width: 16px; height: 16px; transition: transform 0.15s ease; }
.link-more:hover svg { transform: translateX(3px); }

/* ---------- Topbar ---------- */
.topbar { background: var(--coral); color: var(--ink); font-size: 13.5px; }
.topbar__in { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 7px; }
.topbar__list { display: flex; align-items: center; gap: 22px; margin: 0; padding: 0; list-style: none; }
.topbar__list li { display: inline-flex; align-items: center; gap: 7px; font-weight: 600; }
.topbar__list svg { width: 15px; height: 15px; }
.topbar__chip {
  display: inline-flex; align-items: center; gap: 8px; padding: 4px 13px;
  background: #fff; color: var(--ink); border-radius: var(--r-pill); font-weight: 800;
  box-shadow: 0 2px 8px rgba(18, 49, 62, 0.12);
}
.topbar__chip:hover { color: var(--coral-text); }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.header__in { display: flex; align-items: center; gap: 24px; padding-block: 13px; }
.header.is-scrolled { box-shadow: 0 8px 28px rgba(18, 49, 62, 0.09); }
.logo { display: flex; align-items: center; gap: 11px; flex: none; }
.logo__mark {
  width: 44px; height: 44px; border-radius: 13px; flex: none; display: block;
  box-shadow: 0 8px 18px rgba(255, 127, 80, 0.38);
}
.logo__name em { font-style: normal; color: var(--coral-text); }
.logo__text { line-height: 1.15; }
.logo__name { font-weight: 800; font-size: 17px; letter-spacing: -0.01em; }
.logo__tag { font-size: 11.5px; color: var(--ink-faint); font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; }

.nav { display: flex; align-items: center; gap: 2px; margin-inline: auto; }
.nav a {
  position: relative; padding: 9px 15px; border-radius: var(--r-pill);
  font-weight: 600; font-size: 15px; color: var(--ink-2); transition: background .15s ease, color .15s ease;
}
.nav a:hover { background: var(--coral-soft); color: var(--coral-text); }
.nav a.is-active { color: var(--coral-text); background: var(--coral-soft); }
.nav a.is-active::after {
  content: ""; position: absolute; left: 15px; right: 15px; bottom: 3px; height: 2px;
  border-radius: 2px; background: var(--coral);
}
.header__cta { display: flex; align-items: center; gap: 10px; flex: none; }
.header__phone { display: flex; flex-direction: column; line-height: 1.2; text-align: right; }
.header__phone small { font-size: 11.5px; color: var(--ink-faint); font-weight: 600; }
.header__phone strong { font-size: 16px; color: var(--ink); letter-spacing: 0.01em; }
.nav-toggle {
  display: none; margin-left: auto; width: 44px; height: 44px; border-radius: 12px;
  border: 1.5px solid var(--line); background: #fff; cursor: pointer;
  align-items: center; justify-content: center;
}
.nav-toggle svg { width: 22px; height: 22px; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; color: var(--ink);
  background: linear-gradient(165deg, #fff9f6 0%, #ffeee6 58%, #fff6f1 100%); }
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(720px 460px at 88% 4%, rgba(255, 127, 80, 0.22), transparent 64%),
    radial-gradient(560px 420px at 2% 98%, rgba(255, 157, 120, 0.26), transparent 60%);
  pointer-events: none;
}
.hero__grid { position: relative; display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center; padding: 76px 0 88px; }
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 9px; padding: 7px 14px; margin-bottom: 20px;
  border-radius: var(--r-pill); background: #fff; border: 1px solid var(--line);
  font-size: 13px; font-weight: 600; color: var(--ink-2);
  box-shadow: 0 4px 14px rgba(18, 49, 62, 0.06);
}
.hero__eyebrow .dot { width: 8px; height: 8px; border-radius: 50%; background: #34d399; box-shadow: 0 0 0 4px rgba(52,211,153,0.18); }
.hero h1 { color: var(--ink); margin-bottom: 18px; }
.hero h1 em { font-style: normal; color: var(--coral-deep); }
.hero__sub { font-size: clamp(16px, 1.6vw, 18.5px); color: var(--ink-soft); max-width: 56ch; margin: 0 0 30px; }
.hero__ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 30px; }
.hero__trust { display: flex; flex-wrap: wrap; gap: 10px 26px; padding: 0; margin: 0; list-style: none; font-size: 14.5px; color: var(--ink-soft); }
.hero__trust li { display: inline-flex; align-items: center; gap: 8px; }
.hero__trust svg { width: 17px; height: 17px; color: var(--ok); flex: none; }

/* Lead card trong hero */
.lead-card {
  background: #fff; color: var(--ink); border-radius: var(--r-lg);
  padding: 26px; box-shadow: var(--shadow-lg); position: relative;
}
.lead-card::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  border: 1px solid var(--line);
}
.lead-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 5px;
  background: linear-gradient(90deg, var(--coral), var(--coral-bright));
  border-radius: var(--r-lg) var(--r-lg) 0 0;
}
.lead-card__head { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 18px; }
.lead-card__icon {
  width: 44px; height: 44px; border-radius: 12px; flex: none; display: grid; place-items: center;
  background: var(--coral-soft); color: var(--coral-text);
}
.lead-card__icon svg { width: 22px; height: 22px; }
.lead-card__head h3 { margin: 0 0 2px; font-size: 18px; }
.lead-card__head p { margin: 0; font-size: 13.5px; color: var(--ink-soft); }
.field { display: grid; gap: 6px; margin-bottom: 12px; }
.field label { font-size: 13px; font-weight: 600; color: var(--ink-2); }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; border-radius: var(--r-sm);
  border: 1.5px solid var(--line); background: #fff; outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--coral-deep); box-shadow: 0 0 0 4px rgba(255, 127, 80, 0.20);
}
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.lead-card__note { display: flex; align-items: center; gap: 8px; margin: 12px 0 0; font-size: 12.5px; color: var(--ink-soft); }
.lead-card__note svg { width: 15px; height: 15px; color: var(--ok); flex: none; }
.lead-card__rating {
  display: flex; align-items: center; gap: 10px; margin-top: 16px; padding-top: 16px; border-top: 1px dashed var(--line);
  font-size: 13.5px; color: var(--ink-soft);
}
.lead-card__rating .stars { display: inline-flex; gap: 2px; color: var(--star); }
.lead-card__rating .stars svg { width: 15px; height: 15px; }
.lead-card__rating strong { color: var(--ink); }

/* ---------- Stats ---------- */
.stats { padding: 0; margin-top: -34px; position: relative; z-index: 5; }
.stats__card {
  background: #fff; border-radius: var(--r-lg); box-shadow: var(--shadow);
  display: grid; grid-template-columns: repeat(4, 1fr); overflow: hidden;
}
.stat { padding: 26px 24px; text-align: center; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; }
.stat__num { font-size: clamp(24px, 2.6vw, 32px); font-weight: 800; letter-spacing: -0.02em; color: var(--ink); }
.stat__num span { color: var(--coral-deep); }
.stat__label { font-size: 13.5px; color: var(--ink-soft); font-weight: 600; }

/* ---------- Cards: services ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }

.svc {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r);
  padding: 26px; display: flex; flex-direction: column; gap: 12px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.svc:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: transparent; }
.svc__icon {
  width: 50px; height: 50px; border-radius: 14px; display: grid; place-items: center;
  background: var(--coral-soft); color: var(--coral-text);
}
.svc__icon svg { width: 25px; height: 25px; }
.svc h3 { margin: 4px 0 0; }
.svc p { margin: 0; font-size: 14.5px; color: var(--ink-soft); flex: 1; }
.svc__tags { display: flex; flex-wrap: wrap; gap: 7px; }
.tag {
  font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: var(--r-pill);
  background: var(--bg-2); color: var(--ink-2);
}
.tag--ok { background: var(--ok-soft); color: var(--ok); }
.tag--brand { background: var(--coral-soft); color: var(--coral-text); }

.callout {
  margin-top: 22px; padding: 20px 24px; border-radius: var(--r);
  background: var(--card); border: 1.5px dashed var(--line);
  display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap;
}
.callout p { margin: 0; font-size: 15px; color: var(--ink-soft); }
.callout strong { color: var(--ink); }

/* ---------- Process ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: step; }
.step { position: relative; padding-top: 8px; }
.step__num {
  width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center;
  font-weight: 800; font-size: 17px; color: #fff; background: var(--ink);
  margin-bottom: 16px; position: relative; z-index: 2;
}
.step:first-child .step__num { background: var(--coral); color: var(--ink); box-shadow: 0 10px 22px rgba(255, 127, 80, 0.42); }
.step::before {
  content: ""; position: absolute; top: 30px; left: 52px; right: -14px; height: 2px;
  background: repeating-linear-gradient(90deg, var(--line) 0 8px, transparent 8px 14px);
}
.step:last-child::before { display: none; }
.step h3 { font-size: 17px; margin-bottom: 6px; }
.step p { margin: 0; font-size: 14.5px; color: var(--ink-soft); }
.step__time { display: inline-block; margin-top: 10px; font-size: 12.5px; font-weight: 700; color: var(--coral-text); background: var(--coral-soft); padding: 3px 10px; border-radius: var(--r-pill); }

/* ---------- Projects ---------- */
.proj {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r);
  overflow: hidden; transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.proj:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.proj__media { position: relative; aspect-ratio: 4 / 3; display: grid; grid-template-columns: 1fr 1fr; }
.proj__half { position: relative; display: grid; place-items: center; }
.proj__half--before {
  background:
    linear-gradient(135deg, rgba(18,49,62,0.06), rgba(18,49,62,0.14)),
    repeating-linear-gradient(45deg, #eae3e0 0 14px, #e0d8d4 14px 28px);
}
.proj__half--after {
  background:
    linear-gradient(135deg, rgba(255,127,80,0.16), rgba(255,157,120,0.20)),
    repeating-linear-gradient(-45deg, #fff0e9 0 14px, #ffe3d6 14px 28px);
}
.proj__half span {
  font-size: 11.5px; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-2); background: rgba(255,255,255,0.85); padding: 5px 12px; border-radius: var(--r-pill);
}
.proj__half--after span { color: var(--coral-text); }
.proj__media::after {
  content: ""; position: absolute; top: 0; bottom: 0; left: 50%; width: 2px; background: #fff; transform: translateX(-1px);
}
.proj__body { padding: 18px 20px 20px; }
.proj__body h3 { font-size: 16.5px; margin-bottom: 6px; }
.proj__meta { display: flex; flex-wrap: wrap; gap: 8px 16px; font-size: 13px; color: var(--ink-soft); }
.proj__meta span { display: inline-flex; align-items: center; gap: 6px; }
.proj__meta svg { width: 14px; height: 14px; color: var(--ink-faint); }
.proj__note { font-size: 12px; color: var(--ink-faint); margin: 10px 0 0; font-style: italic; }

/* ---------- Section nền coral ---------- */
.section--coral { background: linear-gradient(140deg, var(--coral) 0%, var(--coral-bright) 100%); color: var(--ink); }
.section--coral .eyebrow { color: var(--coral-text); }
.section--coral .eyebrow::before { background: var(--coral-text); }
.section--coral h2, .section--coral h3 { color: var(--ink); }
.section--coral .why__item p { color: var(--ink); opacity: .82; }
.section--coral .why__check { background: #fff; color: var(--ok); }

/* ---------- Why us ---------- */
.why { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px 32px; }
.why__item { display: flex; gap: 14px; align-items: flex-start; }
.why__check {
  width: 30px; height: 30px; border-radius: 50%; flex: none; display: grid; place-items: center;
  background: var(--ok-soft); color: var(--ok); margin-top: 2px;
}
.why__check svg { width: 16px; height: 16px; }
.why__item h3 { font-size: 16.5px; margin-bottom: 4px; }
.why__item p { margin: 0; font-size: 14.5px; color: var(--ink-soft); }
.section--dark .why__item p { color: rgba(255,255,255,0.72); }
.section--dark .why__check { background: rgba(52,211,153,0.16); color: #34d399; }

/* ---------- Testimonials ---------- */
.quote {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r);
  padding: 24px; display: flex; flex-direction: column; gap: 14px;
}
.quote__stars { display: inline-flex; gap: 3px; color: var(--star); }
.quote__stars svg { width: 16px; height: 16px; }
.quote p { margin: 0; font-size: 14.8px; color: var(--ink-2); flex: 1; }
.quote__who { display: flex; align-items: center; gap: 12px; padding-top: 14px; border-top: 1px solid var(--line); }
.avatar {
  width: 40px; height: 40px; border-radius: 50%; flex: none; display: grid; place-items: center;
  font-weight: 800; font-size: 15px; color: var(--ink); background: linear-gradient(135deg, var(--coral-bright), var(--coral));
}
.quote__who strong { display: block; font-size: 14.5px; }
.quote__who small { color: var(--ink-faint); font-size: 12.5px; }

/* ---------- Packages ---------- */
.pack {
  background: var(--card); border: 1.5px solid var(--line); border-radius: var(--r-lg);
  padding: 28px; display: flex; flex-direction: column; gap: 16px; position: relative;
}
.pack--hot { border-color: var(--coral); box-shadow: 0 18px 44px rgba(255, 127, 80, 0.24); }
.pack__badge {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--coral); color: var(--ink); font-size: 12px; font-weight: 800; letter-spacing: 0.05em;
  padding: 5px 14px; border-radius: var(--r-pill); text-transform: uppercase; white-space: nowrap;
}
.pack h3 { margin: 0; font-size: 20px; }
.pack__desc { margin: 0; font-size: 14px; color: var(--ink-soft); }
.pack__price { font-size: 15px; font-weight: 700; color: var(--coral-text); }
.pack ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; flex: 1; }
.pack li { display: flex; gap: 10px; font-size: 14.5px; color: var(--ink-2); }
.pack li svg { width: 18px; height: 18px; color: var(--ok); flex: none; margin-top: 2px; }

/* ---------- FAQ ---------- */
.faq { max-width: 820px; margin-inline: auto; display: grid; gap: 12px; }
.faq details {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r);
  padding: 0 22px; overflow: hidden;
}
.faq summary {
  list-style: none; cursor: pointer; padding: 18px 0; font-weight: 700; font-size: 16.5px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; font-size: 22px; font-weight: 600; color: var(--coral-text); line-height: 1; flex: none;
  transition: transform 0.18s ease;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { margin: 0 0 20px; color: var(--ink-soft); font-size: 15px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.contact-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 32px; box-shadow: var(--shadow-sm);
}
.contact-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 20px; }
.contact-list li { display: flex; gap: 14px; }
.contact-list .ico {
  width: 44px; height: 44px; border-radius: 12px; flex: none; display: grid; place-items: center;
  background: var(--coral-soft); color: var(--coral-text);
}
.contact-list .ico svg { width: 21px; height: 21px; }
.contact-list strong { display: block; font-size: 15px; }
.contact-list span, .contact-list a { font-size: 14.5px; color: var(--ink-soft); }
.contact-list a:hover { color: var(--coral-text); }
.contact-list .hot { font-size: 19px; font-weight: 800; color: var(--ink); letter-spacing: 0.01em; }
.badge-247 {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 22px; padding: 10px 16px;
  border-radius: var(--r-pill); background: var(--ok-soft); color: var(--ok); font-weight: 700; font-size: 13.5px;
}
.badge-247 svg { width: 16px; height: 16px; }

/* ---------- Footer ---------- */
.footer { background: var(--ink); color: rgba(255,255,255,0.72); padding: 64px 0 0; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 36px; padding-bottom: 44px; }
.footer h4 { color: #fff; font-size: 15px; margin-bottom: 16px; letter-spacing: 0.02em; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; font-size: 14.5px; }
.footer a:hover { color: var(--coral-bright); }
.footer .logo__name { color: #fff; }
.footer .logo__tag { color: rgba(255,255,255,0.5); }
.footer__about { margin: 16px 0 0; font-size: 14.5px; max-width: 34ch; }
.footer__areas { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 4px; }
.footer__areas span {
  font-size: 12.5px; padding: 4px 10px; border-radius: var(--r-pill);
  background: rgba(255,255,255,0.07); border: 1px solid var(--line-dark);
}
.footer__bottom {
  border-top: 1px solid var(--line-dark); padding: 20px 0; font-size: 13px;
  display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap;
}
.footer__bottom .demo-note { color: rgba(255,255,255,0.62); }

/* ---------- Mobile call bar ---------- */
.callbar {
  display: none; position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 80;
  background: rgba(15, 27, 45, 0.96); backdrop-filter: blur(10px);
  border-radius: var(--r-lg); padding: 10px; gap: 8px;
  box-shadow: var(--shadow-lg); border: 1px solid var(--line-dark);
}
.callbar a {
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: 3px;
  color: #fff; font-size: 12px; font-weight: 700; padding: 8px 6px; border-radius: 12px;
}
.callbar a svg { width: 20px; height: 20px; }
.callbar a.hot { background: var(--coral); color: var(--ink); }

/* ==========================================================================
   Trang Dịch vụ
   ========================================================================== */
.page-hero { background: linear-gradient(165deg, #fff9f6, #ffeee6); color: var(--ink); padding: 52px 0 62px; position: relative; overflow: hidden; }
.page-hero::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(620px 360px at 88% 0%, rgba(255,127,80,0.24), transparent 64%);
}
.page-hero__in { position: relative; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--ink-soft); margin-bottom: 16px; }
.breadcrumb a:hover { color: var(--coral-text); }
.breadcrumb svg { width: 14px; height: 14px; }
.page-hero h1 { font-size: clamp(26px, 3.4vw, 40px); margin-bottom: 10px; }
.page-hero p { margin: 0; color: var(--ink-soft); max-width: 62ch; }

.filter-bar {
  display: flex; flex-wrap: wrap; gap: 9px; padding: 18px; margin-top: -28px; position: relative; z-index: 5;
  background: #fff; border-radius: var(--r-lg); box-shadow: var(--shadow);
}
.filter-bar a {
  font-size: 14px; font-weight: 600; padding: 9px 16px; border-radius: var(--r-pill);
  background: var(--bg-2); color: var(--ink-2);
}
.filter-bar a:hover { background: var(--coral-soft); color: var(--coral-text); }
.filter-bar a.is-active { background: var(--coral); color: var(--ink); }

.svc-group { margin-bottom: 26px; background: #fff; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.svc-group__head {
  display: flex; align-items: center; gap: 14px; padding: 20px 24px;
  border-bottom: 1px solid var(--line); background: linear-gradient(180deg, #fff, #fffaf8);
}
.svc-group__head .svc__icon { width: 44px; height: 44px; border-radius: 12px; }
.svc-group__head .svc__icon svg { width: 22px; height: 22px; }
.svc-group__head h2 { font-size: 19px; margin: 0; }
.svc-group__head p { margin: 2px 0 0; font-size: 13.5px; color: var(--ink-soft); }
.svc-group__count { margin-left: auto; font-size: 12.5px; font-weight: 700; color: var(--ink-faint); white-space: nowrap; }
.svc-group__list { list-style: none; margin: 0; padding: 10px 24px 20px; columns: 2; column-gap: 40px; }
.svc-group__list li { break-inside: avoid; }
.svc-group__list a {
  display: flex; align-items: center; gap: 10px; padding: 8px 0; font-size: 14.8px; color: var(--ink-2);
  border-bottom: 1px dashed transparent;
}
.svc-group__list a:hover { color: var(--coral-text); }
.svc-group__list svg { width: 15px; height: 15px; color: var(--ink-faint); flex: none; }
.svc-group__list a:hover svg { color: var(--coral-text); }

.side-cta {
  background: linear-gradient(160deg, var(--coral), var(--coral-bright)); color: var(--ink);
  border-radius: var(--r-lg); padding: 26px; position: sticky; top: 96px;
  box-shadow: 0 18px 44px rgba(255, 127, 80, 0.26);
}
.side-cta h3 { color: var(--ink); }
.side-cta p { color: var(--ink); opacity: .84; font-size: 14.5px; }
.side-cta .btn { margin-top: 6px; }

.layout-side { display: grid; grid-template-columns: 1fr 320px; gap: 32px; align-items: start; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero__grid { grid-template-columns: 1fr; gap: 40px; padding: 56px 0 72px; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 30px 22px; }
  .step::before { display: none; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .layout-side { grid-template-columns: 1fr; }
  .side-cta { position: static; }
  .nav { display: none; }
  .nav-toggle { display: inline-flex; }
  /* Menu mobile mở ra từ header */
  body.nav-open .nav {
    display: flex; flex-direction: column; align-items: stretch; gap: 2px;
    position: absolute; top: 100%; left: 0; right: 0; margin: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 10px clamp(16px, 3.4vw, 48px) 18px;
    box-shadow: 0 22px 40px rgba(18, 49, 62, 0.14);
  }
  body.nav-open .nav a { padding: 13px 14px; border-radius: var(--r-sm); font-size: 16px; }
  body.nav-open .nav a.is-active::after { display: none; }
}
@media (max-width: 640px) {
  /* Ở màn hình hẹp, CTA trong header được thay bằng thanh gọi nhanh dưới đáy */
  .header__cta { display: none; }
}
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .topbar__list li:not(.topbar__hot-wrap) { display: none; }
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .stats__card { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: 0; }
  .stat:nth-child(n+3) { border-top: 1px solid var(--line); }
  .why { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .callbar { display: flex; }
  .footer__bottom { padding-bottom: 92px; }
  .svc-group__list { columns: 1; }
  .lead-card { padding: 22px 18px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}

/* ---------- Tiện ích ---------- */
:focus-visible { outline: 2.5px solid var(--coral-deep); outline-offset: 2px; border-radius: 4px; }
::selection { background: var(--coral-soft); color: var(--ink); }