/* AMI CLINIC — men ngọc & sứ
   Palette: ink #112420 · jade #1E5B4C · celadon #8FB9A8 · porcelain #EFF2EE · brass #B4874A
*/

:root {
  --ink: #112420;
  --ink-soft: #3C544D;
  --jade: #1E5B4C;
  --jade-deep: #15231F;
  --celadon: #8FB9A8;
  --celadon-pale: #D6E3DC;
  --porcelain: #EFF2EE;
  --paper: #FBFCFA;
  --brass: #B4874A;
  --line: rgba(17, 36, 32, .14);

  --display: "Cormorant Garamond", "Times New Roman", serif;
  --body: "Be Vietnam Pro", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --shell: 1180px;
  --gut: clamp(20px, 5vw, 56px);
  --radius: 2px;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-weight: 300;
  font-size: 16.5px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--jade); text-decoration: none; }
a:hover { color: var(--brass); }

:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 3px;
}

/* ---------- lớp bố cục ---------- */

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gut);
}

.band { padding-block: clamp(56px, 9vw, 112px); }
.band--porcelain { background: var(--porcelain); }
.band--ink { background: var(--jade-deep); color: var(--celadon-pale); }
.band--tight { padding-block: clamp(40px, 6vw, 72px); }

/* ---------- chữ ---------- */

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -.01em;
  margin: 0;
}

h1 { font-size: clamp(2.6rem, 6.4vw, 4.6rem); }
h2 { font-size: clamp(2rem, 4.2vw, 3.1rem); }
h3 { font-size: clamp(1.35rem, 2.2vw, 1.6rem); }

.eyebrow {
  font-family: var(--body);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--jade);
  margin: 0 0 18px;
}
.band--ink .eyebrow { color: var(--celadon); }

.lede {
  font-size: clamp(1.02rem, 1.5vw, 1.15rem);
  color: var(--ink-soft);
  max-width: 58ch;
}
.band--ink .lede { color: rgba(214, 227, 220, .78); }

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

.section-head { max-width: 62ch; margin-bottom: clamp(32px, 4vw, 56px); }

/* đường men rạn — dùng làm vạch phân mục */
.glaze {
  height: 1px;
  border: 0;
  margin: 0;
  background: linear-gradient(90deg, transparent, var(--celadon) 12%, var(--celadon) 88%, transparent);
  opacity: .7;
}

/* ---------- nút ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  font-family: var(--body);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  border: 1px solid var(--jade);
  border-radius: var(--radius);
  transition: background .25s ease, color .25s ease, border-color .25s ease;
}
.btn--solid { background: var(--jade); color: #fff; }
.btn--solid:hover { background: var(--jade-deep); border-color: var(--jade-deep); color: #fff; }
.btn--ghost { color: var(--jade); background: transparent; }
.btn--ghost:hover { background: var(--jade); color: #fff; }
.band--ink .btn--ghost { color: var(--celadon-pale); border-color: rgba(143, 185, 168, .5); }
.band--ink .btn--ghost:hover { background: var(--celadon); color: var(--jade-deep); border-color: var(--celadon); }

.btn-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

/* ---------- đầu trang ---------- */

.masthead {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(251, 252, 250, .93);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.masthead__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 74px;
}

.brand { display: flex; align-items: center; gap: 12px; color: var(--ink); }
.brand:hover { color: var(--ink); }
.brand__mark { width: 38px; height: 38px; flex: none; }
.brand__name {
  font-family: var(--display);
  font-size: 1.5rem;
  letter-spacing: .04em;
  line-height: 1;
}
.brand__sub {
  display: block;
  font-family: var(--body);
  font-size: .56rem;
  font-weight: 500;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-top: 5px;
}

.nav { display: flex; align-items: center; gap: 30px; }
.nav a {
  font-size: .82rem;
  font-weight: 400;
  letter-spacing: .04em;
  color: var(--ink-soft);
  padding-block: 6px;
  border-bottom: 1px solid transparent;
}
.nav a:hover, .nav a[aria-current="page"] {
  color: var(--jade);
  border-bottom-color: var(--celadon);
}
.nav__tel {
  font-weight: 600;
  color: var(--jade) !important;
  border: 1px solid var(--celadon);
  border-radius: var(--radius);
  padding: 9px 16px !important;
}
.nav__tel:hover { background: var(--jade); color: #fff !important; border-color: var(--jade); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 9px 12px;
  font-family: var(--body);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink);
  cursor: pointer;
}

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav {
    position: absolute;
    inset: 100% 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: 8px var(--gut) 24px;
    display: none;
  }
  .nav[data-open="true"] { display: flex; }
  .nav a { padding-block: 13px; border-bottom: 1px solid var(--line); }
  .nav__tel { text-align: center; margin-top: 16px; }
}

/* ---------- hero ---------- */

.hero { position: relative; overflow: hidden; padding-block: clamp(52px, 8vw, 104px) clamp(44px, 6vw, 80px); }

.hero__grid {
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}

.hero h1 { margin-bottom: 22px; }
.hero h1 em {
  font-style: italic;
  color: var(--jade);
}

.hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-top: 44px;
  border-top: 1px solid var(--line);
}
.hero__fact {
  padding: 18px 28px 0 0;
  margin-right: 28px;
  border-right: 1px solid var(--line);
}
.hero__fact:last-child { border-right: 0; margin-right: 0; padding-right: 0; }
.hero__fact dt {
  font-size: .66rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.hero__fact dd {
  margin: 4px 0 0;
  font-family: var(--display);
  font-size: 1.5rem;
  color: var(--jade);
}

/* vòm sứ — hình nền SVG của hero */
.arch { position: relative; }
.arch svg { width: 100%; height: auto; }

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
  .arch { order: -1; max-width: 340px; margin-inline: auto; }
}

/* ---------- lưới thẻ ---------- */

.grid { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }

.cell {
  background: var(--paper);
  padding: clamp(26px, 3vw, 38px);
  transition: background .3s ease;
}
.band--porcelain .cell { background: var(--porcelain); }
.cell:hover { background: #fff; }
.band--porcelain .cell:hover { background: var(--paper); }

.cell__icon { width: 34px; height: 34px; color: var(--jade); margin-bottom: 20px; }
.cell h3 { margin-bottom: 12px; }
.cell p { color: var(--ink-soft); font-size: .96rem; }
.cell__list { margin: 14px 0 0; padding: 0; list-style: none; }
.cell__list li {
  font-size: .9rem;
  color: var(--ink-soft);
  padding-left: 18px;
  position: relative;
}
.cell__list li::before {
  content: "";
  position: absolute;
  left: 0; top: .75em;
  width: 7px; height: 1px;
  background: var(--celadon);
}

@media (max-width: 880px) { .grid--3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .grid--3, .grid--2 { grid-template-columns: 1fr; } }

/* ---------- quy trình (thứ tự có nghĩa) ---------- */

.steps { counter-reset: step; display: grid; gap: 0; }
.step {
  counter-increment: step;
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: clamp(16px, 3vw, 40px);
  padding-block: 28px;
  border-top: 1px solid rgba(143, 185, 168, .28);
}
.step:last-child { border-bottom: 1px solid rgba(143, 185, 168, .28); }
.step::before {
  content: counter(step, decimal-leading-zero);
  font-family: var(--display);
  font-size: 2.1rem;
  line-height: 1;
  color: var(--celadon);
}
.step h3 { margin-bottom: 8px; }
.step p { color: rgba(214, 227, 220, .72); font-size: .96rem; }
.band--ink .step h3 { color: var(--paper); }

@media (max-width: 560px) {
  .step { grid-template-columns: 1fr; gap: 10px; }
}

/* ---------- SIGNATURE: hồ sơ pháp lý dập nổi ---------- */

.dossier {
  background: linear-gradient(170deg, #fff 0%, var(--porcelain) 100%);
  border: 1px solid var(--celadon);
  padding: clamp(28px, 4vw, 52px);
  position: relative;
}
.dossier::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(143, 185, 168, .4);
  pointer-events: none;
}
.dossier__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 26px;
}
.dossier__head h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); }
.seal {
  width: 92px; height: 92px;
  flex: none;
  color: var(--brass);
  opacity: .9;
}
.dossier dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 40px;
  margin: 0;
}
.dossier dt {
  font-size: .66rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 4px;
}
.dossier dd {
  margin: 0;
  font-size: .98rem;
  color: var(--ink);
  font-weight: 400;
}
.dossier dd strong { font-weight: 600; }
.dossier__note {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: .84rem;
  color: var(--ink-soft);
}
@media (max-width: 620px) { .dossier dl { grid-template-columns: 1fr; } }

/* ---------- liên hệ ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}
@media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; } }

.contact-list { list-style: none; margin: 0; padding: 0; }
.contact-list li { padding-block: 18px; border-bottom: 1px solid var(--line); }
.contact-list li:first-child { padding-top: 0; }
.contact-list dt,
.contact-list .k {
  display: block;
  font-size: .66rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 6px;
}
.contact-list .v { font-size: 1.05rem; }

.map-frame {
  border: 1px solid var(--line);
  background: var(--porcelain);
  aspect-ratio: 4 / 3;
  width: 100%;
}
.map-frame iframe { width: 100%; height: 100%; border: 0; display: block; }

/* ---------- bài viết / trang văn bản ---------- */

.prose { max-width: 72ch; }
.prose h2 { margin-top: 48px; margin-bottom: 14px; }
.prose h3 { margin-top: 32px; margin-bottom: 10px; }
.prose ul, .prose ol { color: var(--ink-soft); padding-left: 20px; }
.prose li { margin-bottom: .5em; }
.prose table { border-collapse: collapse; width: 100%; margin: 20px 0; font-size: .94rem; }
.prose th, .prose td { text-align: left; padding: 12px 14px; border: 1px solid var(--line); vertical-align: top; }
.prose th { background: var(--porcelain); font-weight: 600; }

.page-head { padding-block: clamp(44px, 6vw, 80px) clamp(28px, 4vw, 44px); }
.page-head h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
.page-head .lede { margin-top: 18px; }

.crumbs { font-size: .76rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 18px; }
.crumbs a { color: var(--ink-soft); }
.crumbs a:hover { color: var(--jade); }

/* ---------- chân trang ---------- */

.footer { background: var(--jade-deep); color: rgba(214, 227, 220, .76); padding-block: clamp(48px, 6vw, 76px) 32px; font-size: .9rem; }
.footer a { color: var(--celadon-pale); }
.footer a:hover { color: var(--brass); }
.footer__grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: clamp(28px, 4vw, 56px);
}
.footer h4 {
  font-family: var(--body);
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--celadon);
  margin: 0 0 16px;
}
.footer ul { list-style: none; margin: 0; padding: 0; }
.footer li { margin-bottom: 10px; }
.footer__legal {
  margin-top: clamp(32px, 5vw, 56px);
  padding-top: 24px;
  border-top: 1px solid rgba(143, 185, 168, .22);
  font-size: .8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  justify-content: space-between;
}
.footer__brand { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; color: var(--paper); }
.footer__brand:hover { color: var(--paper); }
.footer__brand .brand__mark { color: var(--celadon); }
.footer__brand .brand__sub { color: var(--celadon); }
@media (max-width: 760px) { .footer__grid { grid-template-columns: 1fr; } }

/* ---------- chuyển động, có kiềm chế ---------- */

.reveal { opacity: 0; transform: translateY(14px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

.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;
}

.skip-link {
  position: absolute; left: 16px; top: -60px;
  background: var(--jade); color: #fff;
  padding: 10px 18px; z-index: 60;
  transition: top .2s ease;
}
.skip-link:focus { top: 12px; color: #fff; }

/* thẻ chỉ đường (dùng khi chưa nhúng bản đồ thật) */
.map-frame--placeholder { display: grid; place-items: center; padding: 24px; }
.map-card {
  display: grid;
  justify-items: center;
  text-align: center;
  gap: 8px;
  color: var(--ink);
  padding: 20px;
}
.map-card:hover { color: var(--jade); }
.map-card svg { width: 46px; height: 46px; color: var(--jade); margin-bottom: 6px; }
.map-card__k {
  font-size: .66rem; font-weight: 600; letter-spacing: .2em;
  text-transform: uppercase; color: var(--ink-soft);
}
.map-card__v { font-family: var(--display); font-size: 1.3rem; line-height: 1.25; }
.map-card__cta { font-size: .82rem; color: var(--jade); margin-top: 8px; }

@media (max-width: 560px) {
  .arch { max-width: 228px; }
  .hero { padding-top: 32px; }
}