/* ══ NHA KHOA AN TÂM — ZEN-MINIMAL ══ */
/* Heading: Cormorant Garamond weight 300 (no italic) | Body: DM Sans | Tone: near-monochrome */
/* Accent duy nhất: Sage green #6b8067 | Nav: Transparent→Scrolled tối giản (Nav-1, không blur) */
/* Hero: H11 Full-Width Text + Scroll Hint | Prefix: at- (an-tam) */

:root {
  /* ── Nền & bề mặt — gần như đơn sắc, ấm ── */
  --bg:           #f7f5f0;   /* Nền tổng thể — trắng ngà ấm */
  --surface:      #fdfcfa;   /* Card, panel — gần trắng */
  --surface-2:    #f1efe8;   /* Panel phụ, hover nhẹ */
  --dark:         #22241e;   /* Footer — than ấm gần đen */
  --dark2:        #2b2d25;   /* Section tối (full-bleed) */

  /* ── Border ── */
  --border:       #e3e0d6;
  --border-light: #ecebe3;

  /* ── Chữ ── */
  --text:         #23241f;   /* Text chính */
  --text-2:       #6d6a5f;   /* Text phụ, label */
  --text-3:       #a4a092;   /* Text mờ, meta */
  --text-inv:     #f5f3ec;   /* Text trên nền tối */
  --text-inv-2:   #b5b2a4;   /* Text phụ trên nền tối */

  /* ── Accent duy nhất — Sage green ── */
  --accent:       #6b8067;
  --accent-h:     #57694f;
  --accent-light: #eaeee6;
  --accent-mid:   #8a9c82;
  --accent-dim:   rgba(107,128,103,.35);

  --danger: #b34a49;

  --serif: 'Cormorant Garamond', serif;
  --sans: 'DM Sans', sans-serif;
  --bs-body-font-family: var(--sans);
  --bs-body-bg: var(--bg);
  --bs-body-color: var(--text);
  --bs-border-color: var(--border);
}

/* ── Reset & Base ── */
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
*, *::before, *::after { box-sizing: border-box; }
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
button { font-family: var(--sans); }
::-webkit-scrollbar { width: 3px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent-dim); border-radius: 3px; }

/* ── Layout ── */
.wd-container { max-width: 1100px; margin: 0 auto; padding: 0 clamp(20px,5vw,80px); }
.at-sec-pad { padding: clamp(88px,12vw,160px) 0; }
.at-sec-pad-sm { padding: clamp(56px,7vw,96px) 0; }

/* ── Reveal animation — data-reveal attribute ── */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s cubic-bezier(.16,1,.3,1), transform .9s cubic-bezier(.16,1,.3,1);
}
[data-reveal].visible { opacity: 1; transform: none; }
[data-reveal][data-delay="1"] { transition-delay: .1s; }
[data-reveal][data-delay="2"] { transition-delay: .2s; }
[data-reveal][data-delay="3"] { transition-delay: .3s; }
[data-reveal][data-delay="4"] { transition-delay: .4s; }
[data-reveal][data-delay="5"] { transition-delay: .5s; }

/* ══════════════════════════════════════
   NAV — Transparent → Scrolled, tối giản
   Không blur mạnh, không border, chỉ đổi bg gần như trong suốt sang trắng nhạt
══════════════════════════════════════ */
#nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 800;
  background: transparent;
  border: none;
  transition: background .5s ease;
}
#nav.at-nav-scrolled {
  background: rgba(247,245,240,.94);
}
.at-nav-inner {
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
#nav.at-nav-scrolled .at-nav-inner { height: 74px; transition: height .35s ease; }
.at-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 22px;
  letter-spacing: .5px;
  color: var(--text);
}
.at-logo-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
.at-logo em { font-style: normal; color: var(--accent); }
.at-nav-links { display: flex; align-items: center; gap: 40px; }
.at-nav-links a {
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-2);
  position: relative;
  transition: color .2s;
  padding-bottom: 3px;
}
.at-nav-links a::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 1px;
  background: var(--accent);
  transition: right .3s ease;
}
.at-nav-links a:hover, .at-nav-links a.active { color: var(--text); }
.at-nav-links a:hover::after, .at-nav-links a.active::after { right: 0; }
.at-nav-cta {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: var(--text);
  background: none;
  border: none;
  border-bottom: 1px solid var(--text-3);
  padding: 2px 0;
  cursor: pointer;
  transition: color .2s, border-color .2s;
}
.at-nav-cta:hover { color: var(--accent); border-color: var(--accent); }
.at-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 6px;
  border: none;
  background: transparent;
}
.at-burger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--text);
  transition: all .3s;
}
.at-burger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.at-burger.open span:nth-child(2) { opacity: 0; }
.at-burger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Mobile nav overlay */
.at-nav-mob {
  position: fixed;
  inset: 0;
  z-index: 700;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 30px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .35s;
}
.at-nav-mob.open { opacity: 1; pointer-events: auto; }
.at-nav-mob a {
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 400;
  color: var(--text);
  letter-spacing: .3px;
  transition: color .2s;
}
.at-nav-mob a:hover { color: var(--accent); }
.at-nav-mob .at-nm-cta {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
  padding-bottom: 3px;
  margin-top: 6px;
}

@media (max-width: 860px) {
  .at-nav-links, .at-nav-cta { display: none; }
  .at-burger { display: flex; }
}

/* ══════════════════════════════════════
   SECTION HEADERS
══════════════════════════════════════ */
.at-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 22px;
}
.at-eyebrow-line { width: 20px; height: 1px; background: var(--accent-dim); }
.at-title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(30px,4.2vw,54px);
  line-height: 1.12;
  letter-spacing: -.5px;
  color: var(--text);
  margin-bottom: 18px;
}
.at-title em { font-style: normal; color: var(--accent); }
.at-title-inv { color: var(--text-inv); }
.at-title-inv em { color: var(--accent-mid); }
.at-sub {
  font-size: 15.5px;
  font-weight: 300;
  color: var(--text-2);
  line-height: 1.85;
  max-width: 520px;
}
.at-sub-inv { color: var(--text-inv-2); }

/* ══════════════════════════════════════
   BUTTONS — Text-only, underline khi hover, không background
══════════════════════════════════════ */
.at-btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .9px;
  text-transform: uppercase;
  color: var(--text);
  background: none;
  border: none;
  padding: 2px 0;
  cursor: pointer;
  position: relative;
  transition: color .25s;
}
.at-btn::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: -3px;
  height: 1px;
  background: currentColor;
  transition: right .32s ease;
}
.at-btn:hover { color: var(--accent); }
.at-btn:hover::after { right: 0; }
.at-btn-accent { color: var(--accent); }
.at-btn-inv { color: var(--text-inv); }
.at-btn-inv:hover { color: var(--accent-mid); }
.at-btn-lg { font-size: 14px; letter-spacing: 1px; }

/* ══════════════════════════════════════
   HERO — H11 Full-Width Text + Scroll Hint
   Heading siêu lớn, marquee scroll nhẹ, tối giản, không ảnh
══════════════════════════════════════ */
.at-hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  background: var(--bg);
  padding-top: 84px;
}
.at-hero-inner { padding: clamp(40px,6vw,72px) 0 clamp(56px,7vw,88px); }
.at-hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 36px;
}
.at-hero-eyebrow .at-eyebrow-line { width: 32px; }
.at-hero-title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(46px,9.2vw,132px);
  line-height: .98;
  letter-spacing: -2px;
  color: var(--text);
  margin-bottom: 36px;
}
.at-hero-title em { font-style: normal; color: var(--accent); display: block; }
.at-hero-sub {
  font-size: clamp(15px,1.5vw,18px);
  font-weight: 300;
  color: var(--text-2);
  line-height: 1.85;
  max-width: 480px;
  margin-bottom: 44px;
}
.at-hero-actions { display: flex; align-items: center; gap: 40px; flex-wrap: wrap; }

/* Marquee strip */
.at-marquee {
  overflow: hidden;
  white-space: nowrap;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}
.at-marquee-track {
  display: inline-flex;
  gap: 44px;
  animation: at-marquee 28s linear infinite;
  will-change: transform;
}
.at-marquee-item {
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 400;
  color: var(--text-3);
  letter-spacing: 1px;
  display: inline-flex;
  align-items: center;
  gap: 44px;
}
.at-marquee-item .at-mq-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--accent); }
@keyframes at-marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* Scroll hint */
.at-scroll-hint {
  position: absolute;
  bottom: 28px;
  right: clamp(20px,5vw,80px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.at-scroll-line {
  width: 1px;
  height: 46px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: at-scroll-pulse 2.2s ease infinite;
}
@keyframes at-scroll-pulse {
  0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); }
  100% { opacity: 0; transform: scaleY(1); transform-origin: bottom; }
}
.at-scroll-hint span {
  font-size: 9.5px;
  color: var(--text-3);
  letter-spacing: 2.5px;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

@media (max-width: 576px) {
  .at-scroll-hint { display: none; }
  .at-marquee-item { font-size: 13px; }
}

/* ══════════════════════════════════════
   FEATURE-ICON-ROW — Triết lý "An Tâm" (USP)
   3-4 cols icon + title + text, không border card
══════════════════════════════════════ */
.at-usp-bg { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.at-usp-item { padding: 0 clamp(0px,2vw,28px); }
.at-usp-icon {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
  color: var(--accent);
  margin-bottom: 24px;
}
.at-usp-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 21px;
  color: var(--text);
  letter-spacing: -.2px;
  margin-bottom: 10px;
}
.at-usp-text {
  font-size: 13.5px;
  font-weight: 300;
  color: var(--text-2);
  line-height: 1.8;
}

/* ══════════════════════════════════════
   LIST-ELEGANT — Dịch vụ nổi bật
   Typography list, border-bottom, không phải card
══════════════════════════════════════ */
.at-svc-list { border-top: 1px solid var(--border); }
.at-svc-row {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  align-items: center;
  gap: 28px;
  padding: 30px 0;
  border-bottom: 1px solid var(--border);
  transition: padding-left .3s ease, background .3s ease;
}
.at-svc-row:hover { background: var(--surface-2); padding-left: 16px; margin: 0 -16px; padding-right: 16px; }
.at-svc-num {
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 400;
  color: var(--text-3);
  letter-spacing: .5px;
}
.at-svc-body {}
.at-svc-name {
  font-family: var(--serif);
  font-size: clamp(19px,2.2vw,26px);
  font-weight: 400;
  color: var(--text);
  letter-spacing: -.2px;
  margin-bottom: 6px;
}
.at-svc-desc {
  font-size: 13px;
  font-weight: 300;
  color: var(--text-2);
  line-height: 1.7;
  max-width: 460px;
}
.at-svc-price-col { text-align: right; flex-shrink: 0; }
.at-svc-price {
  font-size: 16px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: -.2px;
}
.at-svc-per { font-size: 11px; color: var(--text-3); font-weight: 300; }
.at-svc-arrow { font-size: 18px; color: var(--text-3); transition: transform .3s, color .3s; margin-left: 8px; }
.at-svc-row:hover .at-svc-arrow { transform: translateX(4px); color: var(--accent); }

@media (max-width: 576px) {
  .at-svc-row { grid-template-columns: 40px 1fr; grid-template-rows: auto auto; gap: 16px 20px; }
  .at-svc-price-col { grid-column: 1 / 3; text-align: left; padding-top: 2px; }
}

/* ══════════════════════════════════════
   FULL-BLEED — Không gian yên tĩnh / Quote
   Section rộng 100vw, dark, no container image edge-to-edge
══════════════════════════════════════ */
.at-calm {
  background: var(--dark2);
  position: relative;
  overflow: hidden;
}
.at-calm-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 560px;
}
.at-calm-media { position: relative; overflow: hidden; min-height: 320px; }
.at-calm-media img { width: 100%; height: 100%; object-fit: cover; display: block; filter: grayscale(.15); }
.at-calm-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(48px,6vw,96px) clamp(32px,5vw,96px);
}
.at-calm-quote {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(24px,3vw,40px);
  line-height: 1.4;
  color: var(--text-inv);
  letter-spacing: -.3px;
  margin-bottom: 28px;
}
.at-calm-quote em { font-style: normal; color: var(--accent-mid); }
.at-calm-attr { font-size: 12.5px; color: var(--text-inv-2); font-weight: 300; letter-spacing: .3px; }
.at-calm-attr strong { color: var(--text-inv); font-weight: 500; }

@media (max-width: 860px) {
  .at-calm-grid { grid-template-columns: 1fr; }
  .at-calm-media { min-height: 280px; }
}

/* ══════════════════════════════════════
   ALTERNATING-STRIPS — Đội ngũ bác sĩ
   Mỗi row = text trái + ảnh phải, row sau đổi chiều
══════════════════════════════════════ */
.at-doc-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px,5vw,72px);
  align-items: center;
  padding: clamp(40px,5vw,64px) 0;
  border-bottom: 1px solid var(--border);
}
.at-doc-item:first-of-type { border-top: 1px solid var(--border); }
.at-doc-item.at-doc-reverse { direction: rtl; }
.at-doc-item.at-doc-reverse > * { direction: ltr; }
.at-doc-media { position: relative; overflow: hidden; aspect-ratio: 4/5; border-radius: 2px; }
.at-doc-media img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.2); transition: filter .4s ease; }
.at-doc-item:hover .at-doc-media img { filter: grayscale(0); }
.at-doc-role {
  font-size: 11px;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 2.5px;
  margin-bottom: 14px;
}
.at-doc-name {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(24px,3vw,36px);
  color: var(--text);
  letter-spacing: -.3px;
  margin-bottom: 16px;
}
.at-doc-bio {
  font-size: 14px;
  font-weight: 300;
  color: var(--text-2);
  line-height: 1.85;
  margin-bottom: 20px;
  max-width: 440px;
}
.at-doc-tags { display: flex; flex-wrap: wrap; gap: 10px 22px; }
.at-doc-tag {
  font-size: 12px;
  color: var(--text-3);
  font-weight: 300;
  position: relative;
  padding-left: 14px;
}
.at-doc-tag::before { content: ''; position: absolute; left: 0; top: 8px; width: 5px; height: 1px; background: var(--accent); }

@media (max-width: 768px) {
  .at-doc-item, .at-doc-item.at-doc-reverse { grid-template-columns: 1fr; direction: ltr; }
  .at-doc-media { max-width: 320px; }
}

/* ══════════════════════════════════════
   STAT-BAR — Số liệu counter
══════════════════════════════════════ */
.at-stat-bg { background: var(--dark); }
.at-stat-grid { display: grid; grid-template-columns: repeat(4,1fr); }
.at-stat-item {
  padding: clamp(36px,4.5vw,56px) clamp(16px,2vw,28px);
  text-align: center;
  border-right: 1px solid rgba(245,243,236,.08);
}
.at-stat-item:last-child { border-right: none; }
.at-stat-num {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(36px,5vw,58px);
  color: var(--text-inv);
  letter-spacing: -1px;
  line-height: 1;
  margin-bottom: 10px;
}
.at-stat-label {
  font-size: 10.5px;
  color: var(--text-inv-2);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 300;
}

@media (max-width: 768px) {
  .at-stat-grid { grid-template-columns: repeat(2,1fr); }
  .at-stat-item:nth-child(2) { border-right: none; }
  .at-stat-item:nth-child(3) { border-top: 1px solid rgba(245,243,236,.08); }
  .at-stat-item:nth-child(4) { border-right: none; border-top: 1px solid rgba(245,243,236,.08); }
}

/* ══════════════════════════════════════
   REVIEWS — Typography grid, không border không shadow
══════════════════════════════════════ */
.at-rv { padding: 4px 0; }
.at-rv-stars { color: var(--accent); font-size: 12px; letter-spacing: 2px; margin-bottom: 18px; }
.at-rv-text {
  font-family: var(--serif);
  font-size: 19px;
  font-weight: 400;
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 24px;
}
.at-rv-foot { display: flex; align-items: center; gap: 12px; padding-top: 18px; border-top: 1px solid var(--border); }
.at-rv-av { width: 38px; height: 38px; border-radius: 50%; object-fit: cover; flex-shrink: 0; filter: grayscale(.3); }
.at-rv-name { font-size: 13px; font-weight: 500; color: var(--text); }
.at-rv-meta { font-size: 11.5px; color: var(--text-3); font-weight: 300; }

/* ══════════════════════════════════════
   CTA — full-width centered, typography only
══════════════════════════════════════ */
.at-cta-sec {
  background: var(--bg);
  text-align: center;
  border-top: 1px solid var(--border);
}
.at-cta-title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(32px,5.2vw,68px);
  line-height: 1.08;
  letter-spacing: -1.2px;
  color: var(--text);
  margin-bottom: 20px;
}
.at-cta-title em { font-style: normal; color: var(--accent); }
.at-cta-sub {
  font-size: 15px;
  font-weight: 300;
  color: var(--text-2);
  max-width: 460px;
  margin: 0 auto 40px;
  line-height: 1.8;
}
.at-cta-actions { display: flex; align-items: center; justify-content: center; gap: 44px; flex-wrap: wrap; }
.at-cta-info { display: flex; align-items: center; justify-content: center; gap: 32px; margin-top: 44px; flex-wrap: wrap; }
.at-cta-info-item { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text-3); font-weight: 300; }
.at-cta-info-dot { width: 4px; height: 4px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }

/* ══════════════════════════════════════
   FOOTER — 2 cột tối giản, nhiều whitespace, không social icon
══════════════════════════════════════ */
.at-footer { background: var(--dark); }
.at-ft-top { display: grid; grid-template-columns: 1.1fr 1fr; gap: clamp(40px,6vw,100px); padding: clamp(64px,8vw,110px) 0 clamp(48px,6vw,72px); }
.at-ft-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 26px;
  color: var(--text-inv);
  margin-bottom: 20px;
}
.at-ft-logo em { font-style: normal; color: var(--accent-mid); }
.at-ft-desc {
  font-size: 14px;
  font-weight: 300;
  color: var(--text-inv-2);
  line-height: 1.85;
  max-width: 340px;
  margin-bottom: 28px;
}
.at-ft-links-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 40px; }
.at-ft-col-title {
  font-size: 10px;
  font-weight: 500;
  color: var(--text-inv-2);
  text-transform: uppercase;
  letter-spacing: 2.5px;
  margin-bottom: 20px;
}
.at-ft-links { display: flex; flex-direction: column; gap: 14px; }
.at-ft-links a, .at-ft-links span {
  font-size: 14px;
  font-weight: 300;
  color: var(--text-inv-2);
  transition: color .2s;
  display: inline-block;
}
.at-ft-links a:hover { color: var(--accent-mid); }
.at-ft-bottom {
  border-top: 1px solid rgba(245,243,236,.08);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.at-ft-copy { font-size: 11.5px; color: var(--text-inv-2); font-weight: 300; }
.at-ft-line { width: 26px; height: 1px; background: var(--accent-dim); }

@media (max-width: 700px) {
  .at-ft-top { grid-template-columns: 1fr; }
}

/* ══════════════════════════════════════
   FORMS — Zen minimal underline inputs
══════════════════════════════════════ */
.at-form-label {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-2);
  letter-spacing: 1.2px;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.at-form-control, .at-form-select {
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 400;
  color: var(--text);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  padding: 10px 2px;
  width: 100%;
  transition: border-color .25s;
  appearance: none;
  -webkit-appearance: none;
}
.at-form-control::placeholder { color: var(--text-3); font-weight: 300; }
.at-form-control:focus, .at-form-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: none;
  color: var(--text);
}
.at-form-select { background-color: transparent; cursor: pointer; }
.at-form-select option { background: var(--surface); color: var(--text); }
.at-form-row { margin-bottom: 30px; }
.at-booking-card {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: clamp(32px,4.5vw,56px);
}
.at-booking-title { font-family: var(--serif); font-weight: 400; font-size: 28px; color: var(--text); margin-bottom: 6px; }
.at-booking-sub { font-size: 13.5px; font-weight: 300; color: var(--text-3); margin-bottom: 36px; }
.at-form-divider { height: 1px; background: var(--border); margin: 30px 0; }
.at-form-note { font-size: 12px; color: var(--text-3); font-weight: 300; line-height: 1.7; margin-top: 24px; }

/* ══════════════════════════════════════
   ZALO FLOAT BUTTON — vẫn dùng #0068FF chuẩn thương hiệu
══════════════════════════════════════ */
.at-zf {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 600;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}
.at-zf-tip {
  font-size: 11.5px;
  background: var(--text);
  color: var(--bg);
  padding: 6px 12px;
  border-radius: 3px;
  opacity: 0;
  transform: translateX(6px);
  transition: all .2s;
  pointer-events: none;
  white-space: nowrap;
}
.at-zf:hover .at-zf-tip { opacity: 1; transform: none; }
.at-zf-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: #0068FF;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  box-shadow: 0 4px 20px rgba(0,104,255,.35);
  transition: transform .2s;
  cursor: pointer;
  text-decoration: none;
}
.at-zf-btn:hover { transform: scale(1.08); }

/* ══════════════════════════════════════
   PAGE HERO — Trang con
══════════════════════════════════════ */
.at-page-hero {
  padding: calc(84px + clamp(48px,6vw,80px)) 0 clamp(48px,6vw,80px);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  text-align: left;
}
.at-ph-eyebrow { display: flex; align-items: center; gap: 12px; font-size: 11px; color: var(--accent); text-transform: uppercase; letter-spacing: 3px; margin-bottom: 20px; }
.at-ph-line { width: 20px; height: 1px; background: var(--accent-dim); }
.at-ph-title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(34px,5vw,66px);
  line-height: 1.08;
  letter-spacing: -1px;
  color: var(--text);
  margin-bottom: 16px;
}
.at-ph-title em { font-style: normal; color: var(--accent); }
.at-ph-sub { font-size: 14.5px; font-weight: 300; color: var(--text-2); max-width: 520px; line-height: 1.8; }

/* ══════════════════════════════════════
   DICH-VU PAGE — Category grouping
══════════════════════════════════════ */
.at-cat-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 2.5px;
  margin-bottom: 20px;
  padding-top: clamp(48px,6vw,72px);
}
.at-cat-label:first-of-type { padding-top: 0; }

/* ══════════════════════════════════════
   BAC-SI PAGE — Grid minimal, không border card
══════════════════════════════════════ */
.at-doc-card { text-align: left; }
.at-doc-card-media { position: relative; overflow: hidden; aspect-ratio: 3/4; margin-bottom: 22px; }
.at-doc-card-media img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.25); transition: filter .4s ease, transform .5s ease; }
.at-doc-card:hover .at-doc-card-media img { filter: grayscale(0); transform: scale(1.03); }
.at-doc-card-role { font-size: 10.5px; font-weight: 500; color: var(--accent); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 8px; }
.at-doc-card-name { font-family: var(--serif); font-weight: 400; font-size: 22px; color: var(--text); margin-bottom: 8px; letter-spacing: -.2px; }
.at-doc-card-desc { font-size: 13px; font-weight: 300; color: var(--text-2); line-height: 1.75; }

/* ══════════════════════════════════════
   CONTACT PAGE
══════════════════════════════════════ */
.at-contact-item { padding: 28px 0; border-bottom: 1px solid var(--border); }
.at-contact-item:first-of-type { border-top: 1px solid var(--border); }
.at-contact-label { font-size: 10.5px; color: var(--accent); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 10px; }
.at-contact-value { font-family: var(--serif); font-size: 22px; font-weight: 400; color: var(--text); margin-bottom: 4px; }
.at-contact-note { font-size: 12.5px; color: var(--text-3); font-weight: 300; }
.at-map-wrap {
  border: 1px solid var(--border);
  height: 400px;
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
  font-size: 13px;
  position: relative;
  overflow: hidden;
}
.at-map-wrap iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: none; }

/* Utility */
.at-divider { width: 36px; height: 1px; background: var(--accent-dim); margin: 24px 0; }
.at-text-accent { color: var(--accent); }
.at-text-dim { color: var(--text-3); font-weight: 300; }