/* ============================================================
   SAVITA — savita.vn
   Bản 11/2026 — làm lại theo BROCHURE in mới (tổ hợp chăm sóc toàn diện):
   · Nền xanh rừng đậm + chữ/logo vàng ánh kim, hoạ tiết lá bạch quả — đúng brochure
   · Câu tagline dùng chữ serif nghiêng in hoa (như bìa brochure)
   · Tiêu đề khối dịch vụ dùng sans đậm in hoa (như mặt trong brochure)
   Palette (đo từ file brochure):
     Forest #2F402E · Deep #243324 · Gold #E2CFA1 / #C9AC6E · Cream #F5F0E6
   ============================================================ */

:root {
  --forest: #2F402E;
  --forest-deep: #243324;
  --forest-soft: #4C6249;
  --sage: #A9BBA0;
  --sage-pale: #E3EADD;
  --gold: #E2CFA1;
  --gold-deep: #C9AC6E;
  --gold-ink: #8A6E35;   /* vàng đủ tương phản trên nền sáng */
  --cream: #F5F0E6;
  --ivory: #FBF8F2;
  --sand: #E6DCC8;
  --white: #FFFFFF;
  --ink: #23301F;
  --grey: #5A6457;
  --clay: #A9553E;

  --gold-grad: linear-gradient(180deg, #F2E3B8 0%, #C9AC6E 100%);

  /* Brochure dùng serif nghiêng cho tagline — Cormorant Garamond có đủ dấu tiếng Việt.
     Nội dung: Be Vietnam Pro (thay tạm Halyard theo brand guide, cần license). */
  --serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --sans: 'Be Vietnam Pro', 'Helvetica Neue', Arial, sans-serif;

  --container: 1240px;
  --header-h: 88px;
  --strip-h: 44px;

  --r-pill: 999px;
  --r-card: 24px;
  --r-media: 20px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

[id] { scroll-margin-top: calc(var(--header-h) + var(--strip-h) + 16px); }

body {
  font-family: var(--sans);
  font-weight: 300;
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}

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

/* JS ẩn sự kiện đã qua bằng thuộc tính hidden — phải thắng mọi display khác */
[hidden] { display: none !important; }

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

a:focus-visible, button:focus-visible {
  outline: 2px solid var(--gold-deep);
  outline-offset: 3px;
}

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

/* ---------- Typography ---------- */

h1, h2, h3, h4 {
  font-family: var(--serif);
  font-weight: 500;
  line-height: 1.18;
  color: var(--forest);
}

.eyebrow {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold-ink);
  margin-bottom: 16px;
}

.h-section { font-size: clamp(34px, 4.2vw, 52px); }

/* tiêu đề khối kiểu brochure: sans đậm, in hoa */
.h-block {
  font-family: var(--sans);
  font-weight: 700;
  font-size: clamp(24px, 2.6vw, 32px);
  line-height: 1.25;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.gold-text {
  background: var(--gold-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 16px 34px;
  border: 1px solid var(--forest);
  border-radius: var(--r-pill);
  transition: all .35s ease;
  cursor: pointer;
  text-align: center;
  background: transparent;
  color: var(--forest);
  white-space: nowrap;
}

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

.btn--gold { background: var(--gold-grad); border-color: var(--gold-deep); color: var(--forest-deep); }
.btn--gold:hover { background: var(--gold); border-color: var(--gold); color: var(--forest-deep); filter: brightness(1.05); }

.btn--solid { background: var(--forest); border-color: var(--forest); color: var(--white); }
.btn--solid:hover { background: var(--forest-deep); border-color: var(--forest-deep); }

.btn--ghost-light { border-color: rgba(226,207,161,.8); color: var(--gold); }
.btn--ghost-light:hover { background: var(--gold); border-color: var(--gold); color: var(--forest-deep); }

.link-more {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--forest);
  padding-bottom: 6px;
  border-bottom: 1px solid var(--gold-deep);
  transition: color .3s ease, border-color .3s ease;
}

.link-more:hover { color: var(--gold-ink); }

/* ---------- Header ---------- */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: var(--forest);
  transition: box-shadow .3s ease;
}

.site-header.is-scrolled { box-shadow: 0 6px 30px rgba(20,30,20,.3); }

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand { display: flex; align-items: center; gap: 14px; line-height: 1; }
.brand-mark { width: 40px; height: 40px; flex: none; }
.brand-word { width: 112px; height: auto; }

.header-actions { display: flex; align-items: center; gap: 14px; }

.header-phone {
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--gold);
  padding: 14px 10px;
}

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

.nav-toggle {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 28px;
  height: 2px;
  background: var(--gold);
}

.nav-toggle span { position: relative; transition: background .3s ease; }

.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  transition: transform .3s ease, top .3s ease;
}

.nav-toggle span::before { top: -9px; }
.nav-toggle span::after { top: 9px; }

.nav-open .nav-toggle span { background: transparent; }
.nav-open .nav-toggle span::before { top: 0; transform: rotate(45deg); }
.nav-open .nav-toggle span::after { top: 0; transform: rotate(-45deg); }

.tagline-strip {
  position: fixed;
  top: var(--header-h);
  left: 0; right: 0;
  z-index: 99;
  height: var(--strip-h);
  background: var(--forest-deep);
  border-top: 1px solid rgba(226,207,161,.18);
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding-inline: 20px;
}

.tagline-strip .strip-detail { text-transform: none; letter-spacing: .04em; font-weight: 300; color: var(--sage); }

/* nút sự kiện chiếm cả dải (nền vàng) — luôn thấy ở đầu trang kể cả khi cuộn */
.strip-event {
  align-self: stretch;
  flex: 1;
  min-width: 0;
  margin-inline: -20px;
  padding-inline: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: var(--gold-grad);
  color: var(--forest-deep);
  transition: filter .3s ease;
}

.strip-event:hover { filter: brightness(1.06); }

.strip-event-date { flex: none; font-weight: 700; }

.strip-event-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 600;
}

.strip-event-btn {
  flex: none;
  padding: 5px 14px;
  border-radius: var(--r-pill);
  background: var(--forest);
  color: var(--gold);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .1em;
}

/* Overlay nav */
.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 98;
  background: var(--forest-deep) url("../assets/img/brochure/ginkgo.jpg") right bottom / min(70vw, 760px) no-repeat;
  color: var(--white);
  display: flex;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transition: opacity .45s ease, visibility .45s ease;
}

.nav-overlay > div {
  margin: auto;
  padding: calc(var(--header-h) + var(--strip-h) + 24px) 24px 56px;
}

.nav-open .nav-overlay { opacity: 1; visibility: visible; }

body.nav-open { overflow: hidden; }
.nav-open .header-phone,
.nav-open .header-actions .btn { visibility: hidden; }
.nav-open .tagline-strip { visibility: hidden; }

.nav-overlay nav ul { list-style: none; text-align: center; display: grid; gap: 8px; }

.nav-overlay nav a {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(30px, 4.2vw, 44px);
  color: var(--gold);
  transition: color .3s ease;
}

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

.nav-overlay .nav-contact {
  margin-top: 34px;
  text-align: center;
  font-size: 14px;
  letter-spacing: .12em;
  color: var(--sage);
}

/* ---------- Hero (bố cục như bìa brochure) ---------- */

.hero {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  min-height: 100vh;
  padding-top: calc(var(--header-h) + var(--strip-h));
  background: var(--forest);
  color: var(--white);
}

.hero-content {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(48px, 6vw, 96px) clamp(24px, 6vw, 96px);
  overflow: hidden;
}

/* hoạ tiết lá bạch quả của brochure */
.hero-content::before {
  content: "";
  position: absolute;
  right: -60px; top: -20px;
  width: 520px; height: 390px;
  background: url("../assets/img/brochure/ginkgo.jpg") center / cover no-repeat;
  opacity: .55;
  pointer-events: none;
}

.hero-content > * { position: relative; }

.hero-eyebrow {
  font-weight: 600;
  font-size: 14px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--white);
}

.hero-title {
  margin-top: 26px;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(46px, 6.4vw, 92px);
  line-height: 1.06;
  text-transform: uppercase;
  letter-spacing: .01em;
}

.hero-sub {
  margin-top: 26px;
  max-width: 540px;
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--sage-pale);
}

.hero-cta { margin-top: 38px; display: flex; gap: 14px; flex-wrap: wrap; }

.hero-contact {
  margin-top: 44px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  font-size: 15px;
  color: var(--gold);
  letter-spacing: .04em;
}

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

.hero-media { position: relative; min-height: 420px; }

.hero-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

/* ---------- Sections ---------- */

.section { padding: 110px 0; }
.section--white { background: var(--white); }
.section--ivory { background: var(--ivory); }
.section--forest { background: var(--forest); color: var(--white); position: relative; overflow: hidden; }
.section--forest h2, .section--forest h3 { color: var(--white); }
.section--forest .eyebrow { color: var(--gold); }

.section-head {
  max-width: 820px;
  margin: 0 auto 64px;
  text-align: center;
}

.section-head p { margin-top: 20px; color: var(--grey); }
.section--forest .section-head p { color: var(--sage-pale); }

/* hình thoi nhỏ — rút gọn từ biểu tượng thương hiệu */
.diamond-list { display: grid; gap: 12px; margin-top: 26px; }

.diamond-list li {
  list-style: none;
  padding-left: 30px;
  position: relative;
  color: var(--grey);
  font-size: 16px;
}

.diamond-list li::before {
  content: "";
  position: absolute;
  left: 3px; top: 11px;
  width: 9px; height: 9px;
  background: var(--gold-deep);
  transform: rotate(45deg);
}

/* ---------- Giới thiệu: Cơ sở trị liệu & chăm sóc chủ động ---------- */

.intro-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: clamp(48px, 7vw, 100px);
  align-items: center;
}

.intro-figure img {
  width: 100%;
  aspect-ratio: 4 / 4.4;
  object-fit: cover;
  object-position: center 20%;
  border-radius: var(--r-media);
}

.intro-copy .h-section { margin-bottom: 24px; }
.intro-copy p { color: var(--grey); }
.intro-copy p + p { margin-top: 16px; }

.intro-badges {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.intro-badges div {
  border: 1px solid var(--sand);
  border-radius: 16px;
  padding: 18px 16px;
  background: var(--white);
  font-size: 14px;
  line-height: 1.5;
  color: var(--grey);
}

.intro-badges strong {
  display: block;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 24px;
  color: var(--forest);
  margin-bottom: 4px;
}

/* ---------- Hai mảng dịch vụ ---------- */

.service {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--forest);
  border-radius: var(--r-card);
  overflow: hidden;
  color: var(--sage-pale);
}

.service + .service { margin-top: 40px; }

.service-media { position: relative; min-height: 460px; }

.service-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service.is-flipped .service-media { order: 2; }

.service-copy { padding: clamp(36px, 5vw, 72px); }

.service-copy .eyebrow { color: var(--gold); }
.service-copy h3 { color: var(--white); margin-bottom: 20px; }
.service-copy p { font-size: 16px; }
.service-copy p + p { margin-top: 14px; }

.service-copy .diamond-list li { color: var(--sage-pale); font-size: 15.5px; }
.service-copy .diamond-list li::before { background: var(--gold); }

.service-copy h4 {
  margin-top: 28px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold);
}

.service-copy .diamond-list { margin-top: 14px; }

.chip-row { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 10px; }

.chip {
  font-size: 13.5px;
  border: 1px solid rgba(226,207,161,.45);
  border-radius: var(--r-pill);
  padding: 6px 16px;
  color: var(--white);
}

.service-note { margin-top: 22px; font-size: 14px !important; color: var(--sage); font-style: italic; }

.service-copy .btn { margin-top: 30px; }

/* ---------- Mỗi ngày là một trải nghiệm ---------- */

.section--forest .ginkgo-deco {
  position: absolute;
  left: -120px; bottom: -80px;
  width: 560px;
  opacity: .5;
  pointer-events: none;
}

.section--forest .container { position: relative; }

.exp-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.exp-card { text-align: center; }

.exp-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--r-media);
}

.exp-card h3 {
  margin-top: 22px;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--white);
}

.exp-card p {
  margin-top: 8px;
  font-family: var(--serif);
  font-style: italic;
  font-size: 20px;
  line-height: 1.4;
  color: var(--gold);
}

/* ---------- Thân – Tâm – Trí & 6T ---------- */

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

.ttt {
  background: var(--white);
  border-radius: var(--r-card);
  padding: 36px 32px;
  border-top: 3px solid var(--gold-deep);
}

.ttt h3 { font-size: 34px; font-style: italic; }
.ttt p { margin-top: 10px; color: var(--grey); font-size: 15.5px; }

.pillars {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}

.pill {
  border: 1px solid var(--sand);
  background: var(--ivory);
  border-radius: 16px;
  padding: 16px 10px;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--forest);
}

.pill small {
  display: block;
  margin-top: 4px;
  font-size: 12.5px;
  font-weight: 300;
  letter-spacing: .01em;
  text-transform: none;
  color: var(--grey);
}

/* ---------- Một ngày tại SAVITA ---------- */

.timeline { max-width: 900px; margin: 0 auto; position: relative; padding-left: 30px; }

.timeline::before {
  content: "";
  position: absolute;
  left: 8px; top: 8px; bottom: 8px;
  width: 1px;
  background: var(--gold-deep);
}

.tl-item { position: relative; padding: 0 0 36px 30px; }
.tl-item:last-child { padding-bottom: 0; }

.tl-item::before {
  content: "";
  position: absolute;
  left: -26px; top: 9px;
  width: 11px; height: 11px;
  background: var(--forest);
  transform: rotate(45deg);
  outline: 4px solid var(--white);
}

.tl-time { font-weight: 600; font-size: 13px; letter-spacing: .18em; color: var(--gold-ink); }
.tl-item h3 { font-size: 26px; margin: 4px 0 6px; }
.tl-item p { color: var(--grey); font-size: 15.5px; max-width: 700px; }

/* ---------- Không gian & oxy ---------- */

.alt-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 96px);
  align-items: center;
}

.alt-media img {
  width: 100%;
  aspect-ratio: 5 / 4;
  object-fit: cover;
  border-radius: var(--r-media);
}

.alt-copy .h-section { margin-bottom: 22px; }
.alt-copy p { color: var(--grey); }

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: 80px;
  padding-top: 56px;
  border-top: 1px solid var(--sand);
  text-align: center;
}

.stat .num {
  display: block;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(44px, 5vw, 64px);
  color: var(--forest);
  line-height: 1;
}

.stat .lbl {
  display: block;
  margin-top: 12px;
  font-size: 13px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--grey);
}

/* ---------- Ưu đãi trải nghiệm ---------- */

.offer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.offer {
  position: relative;
  overflow: hidden;
  border-radius: var(--r-card);
  padding: 44px 40px;
  background: linear-gradient(135deg, #F7F1E3 0%, #ECE2CB 100%);
  border: 1px solid var(--sand);
}

.offer--dark { background: linear-gradient(135deg, var(--forest-soft) 0%, var(--forest) 100%); border-color: transparent; color: var(--sage-pale); }

.offer .offer-kicker {
  margin-top: 0;
  font-family: var(--serif);
  font-style: italic;
  font-size: 30px;
  line-height: 1;
  color: var(--gold-ink);
}

.offer--dark .offer-kicker { color: var(--gold); }

.offer h3 {
  margin-top: 6px;
  font-family: var(--sans);
  font-weight: 700;
  font-size: clamp(22px, 2.4vw, 28px);
  text-transform: uppercase;
  letter-spacing: .02em;
}

.offer--dark h3 { color: var(--white); }

.offer p { margin-top: 12px; font-size: 15.5px; color: var(--grey); max-width: 440px; }
.offer--dark p { color: var(--sage-pale); }

.offer-exp {
  display: inline-block;
  margin-top: 20px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--forest);
  border-top: 1px solid currentColor;
  padding-top: 10px;
}

.offer--dark .offer-exp { color: var(--gold); }

.offer .btn { margin-top: 26px; display: table; }

.offer-terms {
  margin-top: 36px;
  text-align: center;
  font-size: 14px;
  color: var(--grey);
}

.offer-terms strong { font-weight: 600; color: var(--forest); }

/* ---------- Sự kiện ---------- */

.event-card {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  max-width: 1040px;
  margin-inline: auto;
  background: var(--forest-deep);
  border: 1px solid rgba(226,207,161,.28);
  border-radius: var(--r-card);
  overflow: hidden;
}

.event-card + .event-card { margin-top: 32px; }

.event-media { position: relative; min-height: 440px; }

.event-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
}

.event-body { padding: clamp(32px, 4.5vw, 56px); color: var(--sage-pale); }

.event-head { display: flex; align-items: center; gap: 22px; }

.event-date {
  flex: none;
  width: 88px;
  padding: 10px 0 12px;
  border-radius: 16px;
  background: var(--gold-grad);
  color: var(--forest-deep);
  text-align: center;
  line-height: 1.15;
}

.event-date .d { display: block; font-family: var(--serif); font-weight: 600; font-size: 44px; line-height: 1; }

.event-date .m,
.event-date .w { display: block; font-size: 11px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; }

.event-head .eyebrow { margin-bottom: 6px; color: var(--gold); }

.event-title {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 600;
  font-size: clamp(32px, 3.6vw, 46px);
  line-height: 1.05;
  text-transform: uppercase;
}

.event-tagline {
  margin-top: 20px;
  font-family: var(--serif);
  font-style: italic;
  font-size: 23px;
  line-height: 1.35;
  color: var(--gold);
}

.event-body > p + p { margin-top: 10px; font-size: 16px; }

.event-meta,
.event-facts { margin-top: 22px; display: grid; gap: 10px; }

.event-meta li,
.event-facts li {
  list-style: none;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15.5px;
  color: var(--white);
}

.event-meta svg,
.event-facts svg { width: 20px; height: 20px; flex: none; margin-top: 4px; color: var(--gold); }

.event-cta { margin-top: 30px; display: flex; gap: 12px; flex-wrap: wrap; }

/* trang chi tiết sự kiện */
.hero-tagline {
  margin-top: 18px;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(22px, 2.2vw, 28px);
  color: var(--gold);
}

.hero--event .hero-sub { margin-top: 16px; }

.event-ended {
  margin-top: 30px;
  padding: 16px 22px;
  border: 1px solid var(--gold-deep);
  border-radius: 16px;
  color: var(--gold);
}

.program-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: clamp(40px, 6vw, 90px);
  align-items: start;
}

.program-grid .timeline { margin: 40px 0 0; }

.poster-figure { position: sticky; top: calc(var(--header-h) + var(--strip-h) + 24px); }

.poster-figure img {
  width: 100%;
  border-radius: var(--r-media);
  box-shadow: 0 20px 60px rgba(20,30,20,.18);
}

.poster-figure figcaption { margin-top: 12px; font-size: 13.5px; color: var(--grey); text-align: center; }

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

.info-card {
  background: var(--white);
  border-radius: var(--r-card);
  border-top: 3px solid var(--gold-deep);
  padding: 30px 26px;
}

.info-card h3 {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 13.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--forest);
}

.info-card p { margin-top: 10px; font-size: 15px; color: var(--grey); }
.info-card a { color: var(--forest); font-weight: 500; }

.section--forest .section-head a { color: var(--gold); border-bottom: 1px solid currentColor; }

@media (max-width: 1080px) {
  .info-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .program-grid { grid-template-columns: 1fr; }
  .poster-figure { position: static; max-width: 520px; margin-inline: auto; }
}

/* ảnh sự kiện cắt từ poster chỉ rộng ~380px — giữ 2 cột tới 640px để ảnh không bị phóng to mờ */
@media (max-width: 640px) {
  .event-card { grid-template-columns: 1fr; }
  .event-media { min-height: 0; aspect-ratio: 4 / 3; }
}

@media (max-width: 620px) {
  .info-grid { grid-template-columns: 1fr; }
  .event-head { align-items: flex-start; gap: 16px; }
  .event-date { width: 76px; }
  .event-date .d { font-size: 38px; }
}

/* ---------- FAQ ---------- */

.faq-wrap { max-width: 860px; margin-inline: auto; }

.faq-item { border-bottom: 1px solid rgba(47,64,46,.16); }

.faq-q {
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 4px;
  text-align: left;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 24px;
  color: var(--forest);
}

.faq-q .faq-ico {
  flex: none;
  width: 34px;
  height: 34px;
  border: 1px solid var(--gold-deep);
  border-radius: 50%;
  position: relative;
  transition: background .3s ease;
}

.faq-q .faq-ico::before,
.faq-q .faq-ico::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 12px; height: 1.5px;
  background: var(--forest);
  transform: translate(-50%, -50%);
  transition: transform .3s ease, background .3s ease;
}

.faq-q .faq-ico::after { transform: translate(-50%, -50%) rotate(90deg); }

.faq-item.open .faq-ico { background: var(--forest); border-color: var(--forest); }
.faq-item.open .faq-ico::before,
.faq-item.open .faq-ico::after { background: var(--gold); }
.faq-item.open .faq-ico::after { transform: translate(-50%, -50%) rotate(0deg); }

.faq-a { max-height: 0; overflow: hidden; transition: max-height .45s ease; }

.faq-a p { padding: 0 46px 24px 4px; color: var(--grey); font-size: 15.5px; }

/* ---------- Form đăng ký ---------- */

.form-wrap {
  max-width: 680px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--r-card);
  padding: clamp(28px, 4vw, 48px);
  box-shadow: 0 20px 60px rgba(20,30,20,.18);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.form-row + .form-row,
.form-row + .form-field,
.form-field + .form-row { margin-top: 20px; }

.form-field { display: flex; flex-direction: column; }

.form-field label { font-size: 13.5px; font-weight: 500; color: var(--forest); margin-bottom: 8px; }

.form-field .req { color: var(--clay); margin-left: 3px; }

.form-field input,
.form-field select,
.form-field textarea {
  font-family: var(--sans);
  font-size: 15.5px;
  color: var(--ink);
  background: var(--ivory);
  border: 1px solid var(--sand);
  border-radius: 14px;
  padding: 14px 16px;
  transition: border-color .25s ease, box-shadow .25s ease;
}

.form-field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232F402E' stroke-width='1.6'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 18px;
  padding-right: 42px;
}

.form-field textarea { resize: vertical; min-height: 96px; }

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--forest);
  box-shadow: 0 0 0 3px rgba(201,172,110,.3);
}

.form-field.has-error input,
.form-field.has-error select { border-color: var(--clay); }

.field-error { display: block; margin-top: 6px; font-size: 12.5px; color: var(--clay); }

/* Bẫy spam: ẩn hoàn toàn với người dùng thật, vẫn có trong DOM cho bot tự động điền */
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-submit { margin-top: 30px; }
.form-submit:disabled { opacity: .55; cursor: not-allowed; }

.form-privacy { margin-top: 16px; font-size: 12.5px; color: var(--grey); }

.form-status { margin-top: 14px; font-size: 14.5px; min-height: 1.4em; }
.form-status.is-success { color: var(--forest); }
.form-status.is-error { color: var(--clay); }

/* ---------- Liên hệ ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 70px;
  align-items: center;
}

.contact-info h2 { margin-bottom: 18px; }
.contact-info > p { color: var(--grey); }

.contact-lines { margin-top: 30px; display: grid; gap: 18px; }

.contact-lines .line { display: flex; gap: 16px; align-items: flex-start; }

.contact-lines .line svg { width: 22px; height: 22px; flex: none; margin-top: 5px; color: var(--gold-ink); }

.contact-lines .line strong {
  font-weight: 600;
  color: var(--forest);
  display: block;
  font-size: 12.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.contact-lines .line span { color: var(--grey); font-size: 15.5px; }
.contact-lines .line a:hover { color: var(--forest); }

.contact-cta { margin-top: 32px; display: flex; gap: 12px; flex-wrap: wrap; }

.expansion-note { margin-top: 22px; font-size: 14px; color: var(--gold-ink); font-weight: 500; }

.contact-media img {
  width: 100%;
  aspect-ratio: 4 / 4.6;
  object-fit: cover;
  border-radius: var(--r-media);
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--forest-deep);
  color: var(--sage);
  padding: 90px 0 40px;
  font-size: 15px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1.3fr;
  gap: 50px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(226,207,161,.2);
}

.footer-brand .fb-top { display: flex; align-items: center; gap: 16px; }
.footer-brand .fb-mark { width: 42px; height: 42px; flex: none; }
.footer-brand .fb-word { width: 112px; height: auto; }

.footer-brand p { margin-top: 20px; max-width: 300px; font-size: 14.5px; }

.footer-tagline { font-family: var(--serif); font-style: italic; font-size: 22px !important; color: var(--gold); }

.site-footer h5 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 12.5px;
  letter-spacing: .24em;
  text-transform: uppercase;
  margin-bottom: 22px;
  color: var(--gold);
}

.site-footer ul { list-style: none; display: grid; gap: 12px; }
.site-footer ul a { transition: color .3s ease; }
.site-footer ul a:hover { color: var(--white); }

.footer-contact p + p { margin-top: 12px; }
.footer-contact strong { font-weight: 500; color: var(--white); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding-top: 34px;
  font-size: 13px;
  opacity: .85;
}

/* chừa chỗ cho nút "lên đầu trang" (position: fixed góc phải dưới) */
.footer-bottom p:last-child { padding-right: 72px; }

/* ---------- Reveal ---------- */

.reveal { opacity: 0; transform: translateY(34px); transition: opacity .9s ease, transform .9s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

/* ---------- Back to top ---------- */

.to-top {
  position: fixed;
  right: 26px;
  bottom: 26px;
  z-index: 60;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid var(--gold-deep);
  background: var(--forest);
  color: var(--gold);
  display: grid;
  place-items: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity .35s ease, visibility .35s ease, background .3s ease, color .3s ease;
}

.to-top.show { opacity: 1; visibility: visible; }
.to-top:hover { background: var(--gold); color: var(--forest-deep); }

/* ---------- Responsive ---------- */

@media (max-width: 1080px) {
  .exp-grid { grid-template-columns: repeat(2, 1fr); row-gap: 44px; }
  .pillars { grid-template-columns: repeat(3, 1fr); }
  .stats-row { grid-template-columns: repeat(2, 1fr); row-gap: 44px; }
}

@media (max-width: 900px) {
  :root { --header-h: 74px; }
  body { font-size: 16px; }
  .section { padding: 80px 0; }
  .brand-word { width: 96px; }
  .brand-mark { width: 34px; height: 34px; }
  .header-phone { display: none; }
  .strip-detail { display: none; }
  .hero { grid-template-columns: 1fr; min-height: 0; }
  .hero-media { min-height: 0; aspect-ratio: 4 / 3.4; }
  .hero-content::before { width: 380px; height: 284px; right: -120px; }
  .intro-grid, .alt-row, .contact-grid, .service, .offer-grid { grid-template-columns: 1fr; gap: 40px; }
  .service { gap: 0; }
  .service.is-flipped .service-media { order: 0; }
  .service-media { min-height: 0; aspect-ratio: 4 / 3; }
  .ttt-row { grid-template-columns: 1fr; }
  .intro-figure img, .contact-media img { aspect-ratio: 4 / 3; }
}

@media (hover: none) {
  .btn:hover { filter: none; }
}

@media (max-width: 680px) {
  .header-actions .btn { display: none; }
  .tagline-strip { font-size: 11px; letter-spacing: .1em; }
  .strip-detail { display: none; }
  .strip-event { gap: 10px; letter-spacing: .04em; }
  .strip-event-word { display: none; }
  .strip-event-btn { padding: 4px 10px; font-size: 10.5px; letter-spacing: .04em; }
  .btn { white-space: normal; line-height: 1.6; }
  .form-row { grid-template-columns: 1fr; }
  .form-submit { width: 100%; }
  .intro-badges { grid-template-columns: 1fr; }
  .pillars { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  .exp-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .exp-card p { font-size: 17px; }
  .exp-card h3 { font-size: 14px; }
  .footer-grid { grid-template-columns: 1fr; gap: 40px; }
  .faq-q { font-size: 21px; }
  .btn { padding: 14px 24px; letter-spacing: .14em; }
  .timeline { padding-left: 24px; }
  .offer { padding: 34px 26px; }
}