/* =============================================================================
   LANDING PAGE — BÁC SĨ  ·  Liquid Glass
   Bảng màu lấy từ nhận diện S Beauty (navy + royal blue + gold), đẩy sáng và
   bổ sung aqua / rose cho tươi hơn bản gốc.
   ============================================================================= */

/* ---------------------------------------------------------------- 1. TOKENS */
:root{
  /* nền */
  --navy-950:#05184a;
  --navy-900:#082663;
  --navy-800:#0d3a92;
  --royal:#1a4fd0;
  --royal-bright:#2f7dff;

  /* nhấn */
  --gold:#ffc14a;
  --gold-deep:#e89b23;
  --gold-soft:#ffe1a3;
  --aqua:#4fe3ff;
  --rose:#ff7fb0;

  /* chữ */
  --ink:#ffffff;
  --ink-soft:rgba(255,255,255,.78);
  --ink-mute:rgba(255,255,255,.58);

  /* kính */
  --glass-bg:linear-gradient(140deg,rgba(255,255,255,.17) 0%,rgba(255,255,255,.065) 45%,rgba(255,255,255,.11) 100%);
  --glass-brd:rgba(255,255,255,.18);
  --blur:26px;

  /* hình học */
  --r-xl:34px; --r-lg:28px; --r-md:20px; --r-sm:14px;
  --shell:1200px;
  --ease:cubic-bezier(.22,1,.36,1);
  --gap:clamp(14px,2vw,22px);
}

/* ------------------------------------------------------------------ 2. BASE */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:96px}
body{
  margin:0;font-family:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--ink);background:var(--navy-950);font-size:16px;line-height:1.65;
  overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.15;font-weight:700;letter-spacing:-.02em;
  text-wrap:balance}   /* trình duyệt tự cân dòng, không cần <br> cứng */
p{margin:0}
img{max-width:100%;display:block}
picture{display:contents}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
em{font-style:normal}
.serif{font-family:"Playfair Display",Georgia,serif;font-weight:700}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* chữ nhấn vàng dùng chung trong tiêu đề (data đánh dấu bằng <em>) */
h1 em,h2 em,h3 em{
  font-family:"Playfair Display",Georgia,serif;font-weight:700;
  background:linear-gradient(104deg,var(--gold-soft),var(--gold) 55%,#fff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* -------------------------------------------------------------- 3. NỀN ĐỘNG */
.bg{position:fixed;inset:0;z-index:-2;overflow:hidden;
  background:
    radial-gradient(120% 78% at 50% -14%,#2a68e8 0%,transparent 58%),
    radial-gradient(90% 60% at 92% 8%,rgba(79,227,255,.22) 0%,transparent 60%),
    linear-gradient(180deg,#0a3079 0%,#082663 46%,#05184a 100%);
}
.blob{position:absolute;border-radius:50%;filter:blur(95px);will-change:transform}
.blob.b1{width:54vw;height:54vw;left:-13vw;top:-12vw;opacity:.6;
  background:radial-gradient(circle,#2f7dff 0%,transparent 66%);animation:drift1 26s var(--ease) infinite alternate}
.blob.b2{width:46vw;height:46vw;right:-10vw;top:14vh;opacity:.34;
  background:radial-gradient(circle,rgba(255,193,74,.85) 0%,transparent 62%);animation:drift2 32s var(--ease) infinite alternate}
.blob.b3{width:58vw;height:58vw;left:8vw;top:52vh;opacity:.32;
  background:radial-gradient(circle,#4fe3ff 0%,transparent 64%);animation:drift3 29s var(--ease) infinite alternate}
.blob.b4{width:44vw;height:44vw;right:2vw;bottom:-16vw;opacity:.22;
  background:radial-gradient(circle,var(--rose) 0%,transparent 64%);animation:drift2 36s var(--ease) 2s infinite alternate}
@keyframes drift1{to{transform:translate3d(15vw,11vh,0) scale(1.2)}}
@keyframes drift2{to{transform:translate3d(-13vw,17vh,0) scale(1.14)}}
@keyframes drift3{to{transform:translate3d(12vw,-15vh,0) scale(.86)}}
.grain{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.05;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ---------------------------------------------------- 4. LIQUID GLASS (.lg) */
.lg{
  position:relative;border-radius:var(--r-lg);isolation:isolate;
  background:var(--glass-bg);
  -webkit-backdrop-filter:blur(var(--blur)) saturate(180%);
  backdrop-filter:blur(var(--blur)) saturate(180%);
  border:1px solid var(--glass-brd);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.42),
    inset 0 -1px 1px rgba(255,255,255,.08),
    inset 2px 0 6px -4px rgba(255,255,255,.55),
    inset -2px 0 6px -4px rgba(255,255,255,.4),
    0 28px 60px -28px rgba(0,10,40,.8);
  transition:transform .6s var(--ease),box-shadow .6s var(--ease),border-color .6s var(--ease);
}
/* vệt sáng bám con trỏ */
.lg::before{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:2;
  background:radial-gradient(260px circle at var(--mx,50%) var(--my,0%),rgba(255,255,255,.24),transparent 62%);
  opacity:0;transition:opacity .5s var(--ease);
}
.lg:hover::before{opacity:1}
/* viền vát cạnh chuyển sắc */
.lg::after{
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;pointer-events:none;z-index:3;
  background:linear-gradient(135deg,rgba(255,255,255,.8),rgba(255,255,255,.06) 32%,rgba(255,193,74,.5) 58%,rgba(79,227,255,.45) 80%,rgba(255,255,255,.55));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);mask-composite:exclude;
  opacity:.55;transition:opacity .5s var(--ease);
}
.lg:hover::after{opacity:1}
.lg:hover{transform:translateY(-6px);border-color:rgba(255,255,255,.3)}
.lg--flat:hover{transform:none}
.lg--tint{background:linear-gradient(140deg,rgba(255,193,74,.22),rgba(255,255,255,.06) 52%,rgba(79,227,255,.18))}

/* lớp "chất lỏng" — feTurbulence + feDisplacementMap */
.liquid{position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:1;overflow:hidden;
  opacity:.5;mix-blend-mode:soft-light}
.liquid i{position:absolute;inset:-30%;display:block;
  background:linear-gradient(115deg,transparent 30%,rgba(255,255,255,.85) 47%,rgba(255,193,74,.55) 53%,rgba(79,227,255,.4) 58%,transparent 72%);
  filter:url(#liquidWarp) blur(6px);animation:sheen 9s linear infinite}
@keyframes sheen{0%{transform:translate3d(-45%,-12%,0) rotate(2deg)}100%{transform:translate3d(45%,12%,0) rotate(2deg)}}

/* --------------------------------------------------------------- 5. LAYOUT */
.shell{width:min(100% - 40px,var(--shell));margin-inline:auto}
section{position:relative;padding:clamp(66px,9vw,120px) 0}
.head{max-width:64ch;margin-bottom:clamp(30px,4.6vw,54px)}
.head h2{font-size:clamp(27px,4.3vw,45px)}
.head p{margin-top:15px;color:var(--ink-soft);font-weight:300}
.head--center{margin-inline:auto;text-align:center}

.progress{position:fixed;top:0;left:0;height:2px;z-index:90;width:0;
  background:linear-gradient(90deg,var(--aqua),var(--gold),#fff);box-shadow:0 0 14px rgba(255,193,74,.9)}

/* ------------------------------------------------------------------ 6. NAV */
.nav{position:fixed;top:14px;left:50%;translate:-50% 0;z-index:80;
  width:min(100% - 28px,var(--shell));display:flex;align-items:center;gap:18px;
  padding:9px 9px 9px 20px;border-radius:999px}
.nav .brand{display:flex;align-items:center;gap:11px;font-weight:600;letter-spacing:.04em;font-size:12.5px;white-space:nowrap}
.nav .brand img{height:36px;width:auto;opacity:.95}
.nav .brand img.mono,.foot__brand img.mono{filter:brightness(0) invert(1)}
.nav menu{display:flex;gap:4px;margin:0;padding:0;list-style:none;margin-left:auto}
.nav menu a{display:block;padding:9px 14px;border-radius:999px;font-size:14px;color:var(--ink-soft);transition:.35s var(--ease)}
.nav menu a:hover,.nav menu a.active{color:#fff;background:rgba(255,255,255,.14)}
.nav__cta{padding:11px 20px!important;font-size:13.5px!important}
.nav__burger{display:none;margin-left:auto;width:42px;height:42px;border-radius:50%;border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.08);cursor:pointer;color:#fff}
@media(max-width:1000px){
  .nav menu{position:absolute;top:calc(100% + 10px);left:0;right:0;flex-direction:column;gap:2px;
    padding:12px;border-radius:24px;background:rgba(9,34,86,.86);border:1px solid rgba(255,255,255,.16);
    -webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);display:none}
  .nav menu.open{display:flex}
  .nav__burger{display:grid;place-items:center}
  .nav__cta{display:none!important}
  .nav .brand{font-size:11px}
}

/* ------------------------------------------------------------------ 7. NÚT */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-weight:600;font-size:14.5px;line-height:1.25;border:0;cursor:pointer;
  overflow:hidden;isolation:isolate;text-align:center;white-space:nowrap;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease),background .4s var(--ease)}
.btn svg{width:16px;height:16px;flex:none;fill:currentColor}
.btn--gold{color:#2a1500;background:linear-gradient(135deg,#ffd97f,var(--gold) 45%,var(--gold-deep));
  box-shadow:0 14px 34px -12px rgba(255,193,74,.8),inset 0 1px 0 rgba(255,255,255,.75)}
.btn--gold:hover{box-shadow:0 20px 48px -12px rgba(255,193,74,1),inset 0 1px 0 rgba(255,255,255,.9)}
.btn--gold::before{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(115deg,transparent 35%,rgba(255,255,255,.85) 50%,transparent 65%);
  translate:-120% 0;transition:translate .8s var(--ease)}
.btn--gold:hover::before{translate:120% 0}
.btn--ghost{color:#fff;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.22);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.btn--ghost:hover{background:rgba(255,255,255,.18)}
.btn[disabled]{opacity:.6;pointer-events:none}

/* ----------------------------------------------------------------- 8. HERO */
.hero{padding-top:clamp(116px,16vw,182px);padding-bottom:clamp(50px,7vw,90px)}

.hero__grid{display:grid;grid-template-columns:1.06fr .94fr;gap:clamp(30px,5vw,62px);align-items:center}
@media(max-width:940px){.hero__grid{grid-template-columns:1fr;gap:42px}}

.eyebrow{display:inline-flex;align-items:center;gap:9px;padding:8px 17px 8px 10px;border-radius:999px;
  font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-soft);font-weight:500}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--gold);
  box-shadow:0 0 0 0 rgba(255,193,74,.7);animation:pulse 2.4s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 11px rgba(255,193,74,0)}100%{box-shadow:0 0 0 0 rgba(255,193,74,0)}}

.hero h1{font-size:clamp(37px,6vw,68px);margin:22px 0 0}
.hero h1 .role{display:block;font-family:"Playfair Display",Georgia,serif;font-weight:600;font-size:.6em;margin-top:6px;
  background:linear-gradient(105deg,#fff 8%,var(--gold-soft) 42%,var(--gold) 68%,#fff);
  -webkit-background-clip:text;background-clip:text;color:transparent;background-size:220% auto;animation:shift 7s linear infinite}
@keyframes shift{to{background-position:220% center}}
.hero__lead{margin-top:20px;max-width:56ch;color:var(--ink-soft);font-size:clamp(15px,1.6vw,17px);font-weight:300}
.hero__lead b{color:#fff;font-weight:600}
.hero__cta{display:flex;flex-wrap:wrap;gap:13px;margin-top:32px}

.portrait{position:relative;padding:13px;border-radius:var(--r-xl)}
.portrait figure{margin:0;border-radius:var(--r-md);overflow:hidden;position:relative;aspect-ratio:4/3.2}
.portrait img{width:100%;height:100%;object-fit:cover;object-position:68% 28%;transform:scale(1.06);transition:transform 1.2s var(--ease)}
.portrait:hover img{transform:scale(1.12)}
.portrait figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 42%,rgba(5,24,74,.72) 100%)}

/* huy hiệu nổi — ĐÃ TÁCH RA NGOÀI ẢNH CHO DỄ ĐỌC */
.hero__stats{display:flex;gap:12px;margin-top:16px;flex-wrap:wrap}
.hero__stats .stat{flex:1 1 150px;padding:15px 18px;border-radius:var(--r-md);display:flex;align-items:center;gap:13px}
.hero__stats .stat b{font-size:26px;line-height:1;font-weight:700;letter-spacing:-.03em;
  background:linear-gradient(120deg,#fff,var(--gold-soft));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__stats .stat span{font-size:12.5px;color:var(--ink-mute);line-height:1.35}

/* --------------------------------------------------------------- 9. MXH */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
@media(max-width:900px){.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:470px){.grid-4{grid-template-columns:1fr}}
.soc{padding:26px 24px 22px;border-radius:var(--r-md);display:flex;flex-direction:column;min-height:192px}
.soc .ico{width:50px;height:50px;border-radius:15px;display:grid;place-items:center;margin-bottom:14px;
  background:rgba(255,255,255,.96);box-shadow:0 8px 22px -10px rgba(0,0,0,.6)}
.soc .ico img{width:28px;height:28px;object-fit:contain}
.soc .num{font-size:clamp(27px,3.4vw,36px);font-weight:700;letter-spacing:-.03em;line-height:1.1;
  background:linear-gradient(120deg,#fff,var(--gold-soft));-webkit-background-clip:text;background-clip:text;color:transparent}
.soc .unit{font-size:13px;color:var(--ink-mute);margin-top:2px}
.soc .nm{font-size:13.5px;color:var(--ink-soft);margin-top:auto;padding-top:12px;display:flex;align-items:center;gap:6px}
.soc .nm svg{width:13px;height:13px;fill:currentColor;opacity:.6;transition:transform .4s var(--ease)}
.soc:hover .nm svg{transform:translate(3px,-3px)}

/* ------------------------------------------------------- 10. BẰNG CẤP */
/* --- băng chạy ngang liên tục (dùng chung cho bằng cấp / nơi công tác / ảnh) --- */
/* Cuộn ngang thật (không dùng CSS animation) → vuốt/kéo được cả hai chiều.
   JS tự đẩy scrollLeft để nó chạy chậm, và dừng khi khách chạm vào.         */
.mq{position:relative;padding:10px 0 16px;
  overflow-x:auto;overflow-y:hidden;overscroll-behavior-x:contain;
  scrollbar-width:none;-ms-overflow-style:none;cursor:grab;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 4%,#000 96%,transparent);
          mask-image:linear-gradient(90deg,transparent,#000 4%,#000 96%,transparent)}
.mq::-webkit-scrollbar{display:none}
.mq--drag{cursor:grabbing}
.mq--drag *{pointer-events:none}
.mq__track{display:flex;width:max-content}
.mq__group{display:flex}
.mq__group>*{flex:none;margin-right:var(--gap)}
@media(max-width:640px){.mq{-webkit-mask-image:none;mask-image:none;padding:8px 0 12px}}

.cert{width:300px;border-radius:var(--r-md);overflow:hidden;cursor:zoom-in;display:flex;flex-direction:column}
@media(max-width:560px){.cert{width:250px}}
.cert__img{position:relative;aspect-ratio:4/3;overflow:hidden;background:rgba(255,255,255,.06);margin:10px 10px 0;border-radius:14px}
.cert__img img{width:100%;height:100%;object-fit:cover;object-position:center 42%;transition:transform 1s var(--ease)}
.cert:hover .cert__img img{transform:scale(1.07)}
.cert__img::after{content:"";position:absolute;inset:0;border-radius:14px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.14)}
.cert__zoom{position:absolute;right:10px;top:10px;width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  background:rgba(5,24,74,.55);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.25);opacity:0;transition:opacity .4s var(--ease);z-index:2}
.cert__zoom svg{width:15px;height:15px;fill:#fff}
.cert:hover .cert__zoom{opacity:1}
.cert__body{padding:16px 18px 20px}
.cert__body h3{font-size:15.5px;line-height:1.35;font-weight:600}
.cert__meta{margin-top:8px;display:flex;flex-wrap:wrap;gap:6px 10px;align-items:center;font-size:12.5px;color:var(--ink-mute)}
.cert__meta .yr{padding:3px 10px;border-radius:999px;color:#2a1500;font-weight:600;
  background:linear-gradient(135deg,var(--gold-soft),var(--gold))}
.cert__note{margin-top:7px;font-size:12.5px;color:var(--ink-mute)}

/* lightbox */
.lbx{position:fixed;inset:0;z-index:120;display:none;place-items:center;padding:24px;
  background:rgba(3,14,44,.8);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}
.lbx.open{display:grid;animation:fade .35s var(--ease)}
@keyframes fade{from{opacity:0}}
.lbx figure{margin:0;max-width:min(1000px,100%);max-height:100%;display:flex;flex-direction:column;gap:14px;align-items:center}
.lbx img{max-height:78vh;width:auto;border-radius:18px;box-shadow:0 40px 90px -30px #000;animation:pop .45s var(--ease)}
@keyframes pop{from{transform:scale(.94);opacity:0}}
.lbx figcaption{text-align:center;font-size:14px;color:var(--ink-soft);max-width:60ch}
.lbx__x,.lbx__nav{position:absolute;width:48px;height:48px;border-radius:50%;display:grid;place-items:center;cursor:pointer;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);color:#fff;transition:.3s var(--ease)}
.lbx__x:hover,.lbx__nav:hover{background:rgba(255,255,255,.26)}
.lbx__x{top:20px;right:20px}
.lbx__nav.prev{left:18px;top:50%;translate:0 -50%}
.lbx__nav.next{right:18px;top:50%;translate:0 -50%}
.lbx svg{width:20px;height:20px;fill:currentColor}
@media(max-width:600px){.lbx__nav{top:auto;bottom:18px;translate:none}.lbx__nav.prev{left:calc(50% - 62px)}.lbx__nav.next{right:calc(50% - 62px)}}

/* -------------------------------------------------- 11. NƠI TỪNG CÔNG TÁC */
.org{width:346px;display:flex;gap:18px;align-items:center;padding:20px 22px;border-radius:var(--r-md)}
@media(max-width:560px){.org{width:290px;gap:14px;padding:18px}}
.org__logo{flex:none;width:76px;height:76px;border-radius:18px;display:grid;place-items:center;overflow:hidden;
  background:#fff;box-shadow:0 10px 26px -12px rgba(0,0,0,.7)}
.org__logo img{width:100%;height:100%;object-fit:contain;padding:6px}
.org h3{font-size:15.5px;font-weight:600}
.org p{margin-top:5px;font-size:13.5px;color:var(--ink-mute);line-height:1.5}

/* ---------------------------------------------------------- 12. GALLERY */
.gfig{margin:0;position:relative;width:clamp(250px,32vw,360px);aspect-ratio:4/3;
  border-radius:var(--r-md);overflow:hidden;cursor:zoom-in}
.gfig img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease)}
.gfig:hover img{transform:scale(1.07)}
.gfig figcaption{position:absolute;left:0;right:0;bottom:0;padding:32px 18px 14px;font-size:13.5px;font-weight:500;
  background:linear-gradient(180deg,transparent,rgba(5,24,74,.92));z-index:2}
.gfig::after{content:"";position:absolute;inset:0;border-radius:inherit;box-shadow:inset 0 0 0 1px rgba(255,255,255,.16);z-index:3;pointer-events:none}

/* --------------------------------------------------------- 13. ĐÁNH GIÁ */
.rev__rail{display:flex;gap:var(--gap);overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 18px;
  scrollbar-width:none;-ms-overflow-style:none}
.rev__rail::-webkit-scrollbar{display:none}
.rev{flex:0 0 min(380px,82vw);scroll-snap-align:start;padding:26px 26px 24px;border-radius:var(--r-md);
  display:flex;flex-direction:column;gap:16px}
.rev .quo{width:30px;height:30px;fill:var(--gold);opacity:.75}
.rev p{font-size:14.8px;color:var(--ink-soft);font-weight:300;line-height:1.7}
.rev__who{display:flex;align-items:center;gap:13px;margin-top:auto;padding-top:6px}
.rev__who img{width:52px;height:52px;border-radius:50%;object-fit:cover;flex:none;
  box-shadow:0 0 0 2px rgba(255,193,74,.55),0 8px 20px -8px rgba(0,0,0,.8)}
.rev__who b{display:block;font-size:14.5px;font-weight:600}
.rev__who span{font-size:12.5px;color:var(--ink-mute)}
.rev__stars{display:flex;gap:2px;margin-bottom:2px}
.rev__stars svg{width:13px;height:13px;fill:var(--gold)}
.rev__ctrl{display:flex;gap:10px;justify-content:flex-end;margin-top:6px}
.rev__ctrl button{width:46px;height:46px;border-radius:50%;cursor:pointer;color:#fff;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);display:grid;place-items:center;transition:.3s var(--ease)}
.rev__ctrl button:hover{background:rgba(255,255,255,.24)}
.rev__ctrl svg{width:18px;height:18px;fill:currentColor}

/* ------------------------------------------------------------- 14. FORM */
.formwrap{display:grid;grid-template-columns:.92fr 1.08fr;gap:clamp(26px,4vw,52px);align-items:center}
@media(max-width:940px){.formwrap{grid-template-columns:1fr}}
.offer{display:flex;align-items:center;gap:18px;padding:18px 22px;border-radius:var(--r-md);margin-bottom:22px}
.offer .pct{font-size:38px;font-weight:700;color:var(--gold);line-height:1;letter-spacing:-.03em;flex:none}
.offer p{font-size:13.5px;color:var(--ink-soft)}
.offer b{color:#fff}

.formcard{padding:clamp(24px,3.2vw,38px);border-radius:var(--r-xl);position:relative}
.formcard h3{font-size:clamp(21px,2.6vw,27px)}
.formcard>.sub{color:var(--ink-soft);font-size:14px;margin-top:9px;font-weight:300}
.field{position:relative;margin-top:14px}
.field input,.field select{width:100%;padding:16px 18px 16px 48px;border-radius:var(--r-sm);font-size:15px;color:#fff;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);outline:none;
  transition:.4s var(--ease);-webkit-appearance:none;appearance:none}
.field select{color:var(--ink-soft);cursor:pointer}
.field select option{background:#0b2a6b;color:#fff}
.field input::placeholder{color:rgba(255,255,255,.45)}
.field input:focus,.field select:focus{background:rgba(255,255,255,.14);border-color:rgba(255,193,74,.7);
  box-shadow:0 0 0 4px rgba(255,193,74,.16)}
.field.err input,.field.err select{border-color:#ff7a7a;box-shadow:0 0 0 4px rgba(255,122,122,.16)}
.field .fi{position:absolute;left:17px;top:50%;translate:0 -50%;width:19px;height:19px;fill:rgba(255,255,255,.55);pointer-events:none}
.field .caret{position:absolute;right:18px;top:50%;translate:0 -50%;width:13px;pointer-events:none;fill:rgba(255,255,255,.5)}
.field small{display:none;margin:6px 0 0 4px;font-size:12px;color:#ff9b9b}
.field.err small{display:block}

.field select.filled{color:#fff}
.lbl{font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-mute);margin:20px 0 10px;font-weight:500}
.lbl i{font-style:normal;color:var(--gold);font-weight:700}

/* nhóm chip tình trạng da — bắt buộc chọn ít nhất 1 */
.chipset small{display:none;margin:9px 0 0 4px;font-size:12px;color:#ff9b9b}
.chipset.err small{display:block}
.chipset.err .chips{outline:1px solid rgba(255,122,122,.55);outline-offset:7px;border-radius:16px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{padding:10px 16px;border-radius:999px;font-size:13.5px;cursor:pointer;color:var(--ink-soft);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);transition:.35s var(--ease);user-select:none}
.chip:hover{background:rgba(255,255,255,.15);color:#fff}
.chip.on{background:linear-gradient(135deg,rgba(255,225,163,.95),rgba(232,155,35,.95));color:#2a1500;border-color:transparent;font-weight:600}
.formcard .btn{width:100%;margin-top:22px}
.note{display:flex;gap:9px;align-items:center;justify-content:center;margin-top:14px;font-size:12.5px;color:var(--ink-mute);text-align:center}
.note svg{width:14px;height:14px;fill:var(--gold);flex:none}

/* pop-up cảm ơn sau khi gửi thông tin */
.modal__box.thanks{width:min(440px,100%);display:flex;flex-direction:column;align-items:center;
  text-align:center;padding:46px 38px 36px}
.thanks__tick{width:78px;height:78px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,#ffd97f,var(--gold-deep));
  box-shadow:0 16px 40px -14px rgba(255,193,74,.9);animation:pop .5s var(--ease)}
.thanks__tick svg{width:38px;height:38px;fill:#2a1500}
.thanks h3{margin-top:24px;line-height:1.15;max-width:22ch}
/* dòng 1 — chữ vàng viết tay, cỡ lớn (kế thừa gradient vàng của h3 em) */
.thanks h3 em{display:block;font-size:clamp(32px,7vw,42px);line-height:1.1;padding-bottom:.06em}
/* dòng 2 — chữ trắng, font thường, nhỏ hơn */
.thanks h3 span{display:block;margin-top:6px;font-family:inherit;font-weight:600;
  font-size:clamp(17px,3.6vw,21px);letter-spacing:-.01em;color:#fff}
.thanks p{margin-top:16px;font-size:15px;line-height:1.6;font-weight:300;color:var(--ink-soft);
  max-width:34ch;text-wrap:pretty}
.thanks .btn{margin-top:28px;min-width:190px}
.thanks__call{margin-top:16px;font-size:13.5px;color:var(--ink-mute)}
.thanks__call b{color:var(--gold-soft);font-weight:600}
.thanks__call:hover{color:#fff}
@media(max-width:640px){.modal__box.thanks{padding:38px 24px 28px}}

/* ------------------------------------------------------------ 15. CƠ SỞ */
.locs{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
@media(max-width:900px){.locs{grid-template-columns:1fr}}
.loc{padding:26px 24px;border-radius:var(--r-md);display:flex;flex-direction:column;gap:12px}
.loc .tag{align-self:flex-start;padding:5px 13px;border-radius:999px;font-size:11.5px;letter-spacing:.1em;
  text-transform:uppercase;font-weight:600;color:#2a1500;background:linear-gradient(135deg,var(--gold-soft),var(--gold))}
.loc h3{font-size:17px}
.loc .addr{display:flex;gap:10px;font-size:14px;color:var(--ink-soft);line-height:1.55}
.loc .addr svg{width:17px;height:17px;fill:var(--aqua);flex:none;margin-top:3px}
.loc .tel{display:inline-flex;align-items:center;gap:9px;margin-top:auto;padding:12px 18px;border-radius:999px;
  font-weight:600;font-size:15px;align-self:flex-start;color:#fff;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);transition:.35s var(--ease)}
.loc .tel:hover{background:linear-gradient(135deg,#ffd97f,var(--gold-deep));color:#2a1500;border-color:transparent}
.loc .tel svg{width:16px;height:16px;fill:currentColor}

/* ------------------------------------------------------------ 16. FOOTER */
.foot{padding:clamp(40px,6vw,64px) 0 118px;border-top:1px solid rgba(255,255,255,.12);margin-top:20px}
.foot__grid{display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
.foot__brand{display:flex;align-items:center;gap:14px}
.foot__brand img{height:46px;width:auto;opacity:.9}
.foot__brand b{display:block;font-size:14px;letter-spacing:.06em}
.foot__brand span{font-size:12.5px;color:var(--ink-mute)}
.foot__soc{display:flex;gap:10px}
.foot__soc a{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:#fff;
  transition:transform .35s var(--ease)}
.foot__soc a:hover{transform:translateY(-3px)}
.foot__soc img{width:22px;height:22px;object-fit:contain}
.foot__copy{width:100%;font-size:12.5px;color:var(--ink-mute);padding-top:20px;border-top:1px solid rgba(255,255,255,.08)}
.foot__copy a{color:var(--gold-soft)}.foot__copy a:hover{color:var(--gold)}

/* -------------------------------------------------------------- 17. DOCK */
.dock{position:fixed;right:18px;bottom:20px;z-index:85;display:flex;flex-direction:column;gap:11px}
.dock a{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;position:relative;
  transition:transform .4s var(--ease);box-shadow:0 12px 28px -10px rgba(0,0,0,.7)}
.dock a:hover{transform:scale(1.1) translateY(-2px)}
.dock a svg{width:26px;height:26px;fill:#fff}
.dock a img{width:54px;height:54px;border-radius:50%;object-fit:cover}
.dock .call{background:linear-gradient(140deg,#2ee07d,#0fa155)}
.dock .mess{background:linear-gradient(140deg,#a033ff,#0081fb)}
.dock .call::after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid #2ee07d;animation:ring 1.9s ease-out infinite}
@keyframes ring{0%{transform:scale(1);opacity:.85}100%{transform:scale(1.7);opacity:0}}
.dock .tip{position:absolute;right:calc(100% + 12px);top:50%;translate:0 -50%;white-space:nowrap;
  padding:8px 14px;border-radius:999px;font-size:13px;font-weight:500;color:#fff;
  background:rgba(5,24,74,.9);border:1px solid rgba(255,255,255,.2);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  opacity:0;pointer-events:none;transition:.3s var(--ease)}
.dock a:hover .tip{opacity:1;translate:-4px -50%}
@media(max-width:560px){.dock{right:12px;bottom:14px}.dock a,.dock a img{width:48px;height:48px}.dock .tip{display:none}}

/* ------------------------------------- 18. POP-UP ĐĂNG KÝ (mở sẵn khi vào) */
.modal{position:fixed;inset:0;z-index:110;display:none;align-items:center;justify-content:center;
  padding:20px;overflow-y:auto;background:rgba(3,14,44,.72);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.modal.open{display:flex;animation:fade .3s var(--ease)}
.modal__box{position:relative;width:min(520px,100%);margin:auto;border-radius:var(--r-xl);
  padding:0;animation:rise .5s var(--ease)}
@keyframes rise{from{transform:translateY(26px) scale(.97);opacity:0}}
.modal__hd{padding:30px 46px 0;text-align:center}
.modal__hd h3{font-size:clamp(20px,4.4vw,25px);text-wrap:balance}
.modal__body{padding:0}
/* form khi nằm trong pop-up: bỏ nền kính lồng nhau cho gọn */
.modal .formcard{background:none;border:0;box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none;
  padding:18px 26px 26px}
.modal .formcard::after,.modal .formcard::before,.modal .formcard>.liquid{display:none}
.modal .formcard>h3,.modal .formcard>.sub{display:none}
.modal__x{position:absolute;top:12px;right:12px;z-index:8;width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;cursor:pointer;color:#fff;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);transition:.3s var(--ease)}
.modal__x:hover{background:rgba(255,255,255,.26);transform:rotate(90deg)}
.modal__x svg{width:18px;height:18px;fill:currentColor}
.modal__skip{display:block;width:100%;margin:2px 0 20px;padding:6px;background:none;border:0;cursor:pointer;
  font-size:13px;color:var(--ink-mute);text-decoration:underline;text-underline-offset:3px}
.modal__skip:hover{color:#fff}
body.locked{overflow:hidden}

/* --------------------------------------------------------- 19. CHUYỂN ĐỘNG */
[data-rv]{opacity:0;transform:translateY(32px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
[data-rv].in{opacity:1;transform:none}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  [data-rv]{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ========================================== 20. ĐIỆN THOẠI / MÀN HÌNH NHỎ ==
   Phần lớn khách vào từ điện thoại nên khối này chỉnh riêng cho mobile:
   giảm tải hiệu ứng nặng, phóng to vùng chạm, tránh iOS tự zoom ô nhập.     */

/* thiết bị cảm ứng: bỏ hiệu ứng vốn dành cho con trỏ chuột */
@media(hover:none){
  .lg:hover{transform:none}
  .lg::before{display:none}
  .mq{cursor:default}
}

/* ---------------------------------------------------------------------------
   GIẢM TẢI CHO ĐIỆN THOẠI
   Ba thứ nặng nhất, xếp theo mức tốn GPU:
   1. Lớp .liquid — bộ lọc SVG feTurbulence + feDisplacementMap CHẠY LIÊN TỤC
      trên khoảng 50 thẻ. Trên máy tính thì mượt, trên điện thoại là nguyên
      nhân giật số một. Tắt hẳn; mặt kính vẫn còn blur, viền và bóng nên nhìn
      gần như không khác.
   2. Lớp hạt nhiễu phủ toàn màn với mix-blend-mode — phải trộn lại mỗi khung
      hình khi cuộn.
   3. Bốn khối aurora bo blur 95px — rất tốn lúc dựng layer. Giữ 2, thu nhỏ.
--------------------------------------------------------------------------- */
@media(max-width:900px){
  :root{--blur:14px}

  .liquid{display:none}
  .grain{display:none}

  .blob{filter:blur(56px)}
  .blob.b3,.blob.b4{display:none}
  .blob.b1{width:80vw;height:80vw}
  .blob.b2{width:70vw;height:70vw}

  /* backdrop-filter trên thẻ ĐANG DI CHUYỂN đắt gấp nhiều lần thẻ đứng yên
     → trong băng chạy dùng nền mờ đặc thay thế. */
  .mq .lg{-webkit-backdrop-filter:none;backdrop-filter:none;
    background:linear-gradient(140deg,rgba(255,255,255,.14),rgba(20,60,140,.34))}

  /* Trình duyệt bỏ qua việc dựng hình các section chưa cuộn tới.
     contain-intrinsic-size giữ chỗ trước để thanh cuộn không nhảy. */
  #mxh,#hocvan,#congtac,#hinhanh,#danhgia,#coso{
    content-visibility:auto;
    contain-intrinsic-size:auto 800px;
  }
}

@media(max-width:640px){
  html{scroll-padding-top:82px}
  body{font-size:15.5px;-webkit-tap-highlight-color:transparent}
  .shell{width:calc(100% - 32px)}
  section{padding:54px 0}

  .nav{top:10px;width:calc(100% - 20px);padding:8px 8px 8px 14px;gap:10px}
  .nav .brand{font-size:12px;letter-spacing:.06em}
  .nav .brand img{height:32px}

  .hero{padding-top:92px;padding-bottom:36px}
  .hero h1{font-size:clamp(30px,8.4vw,40px)}
  .hero__cta{gap:10px}
  .hero__cta .btn{flex:1 1 100%}          /* nút chiếm trọn bề ngang, dễ bấm */
  .hero__stats .stat{flex:1 1 100%}

  .head{margin-bottom:26px}
  .soc{min-height:auto;padding:20px}
  .rev{flex:0 0 86vw;padding:22px}
  .loc{padding:22px 20px}

  /* cỡ chữ 16px để iOS không tự phóng to trang khi bấm vào ô nhập */
  .field input,.field select{font-size:16px;padding:15px 16px 15px 46px}
  .chip{padding:12px 16px}                /* vùng chạm ~44px */
  .formcard{padding:22px 20px}
  .formcard .btn{white-space:normal;padding:15px 18px;font-size:15px}

  .modal{padding:12px;align-items:flex-start}
  .modal__box{margin:6px auto 24px}
  .modal__hd{padding:26px 42px 0}
  .modal .formcard{padding:14px 18px 20px}
  .modal__x{top:8px;right:8px;width:38px;height:38px}

  .foot{padding-bottom:96px}
  .foot__grid{gap:18px}
}

/* Màn hẹp: chữ trong logo nhỏ quá không đọc nổi, nên vẫn giữ tên phòng khám
   bên cạnh, chỉ thu nhỏ lại cho vừa. */
@media(max-width:560px){
  .nav{gap:9px;padding:7px 7px 7px 12px}
  .nav .brand{font-size:10.5px;letter-spacing:.03em;gap:8px;
    white-space:normal;line-height:1.25;max-width:60vw}
  .nav .brand img{height:30px}
}
@media(max-width:380px){
  .nav .brand{font-size:9.5px}
  .nav .brand img{height:26px}
}

/* Safari/iOS cũ không có backdrop-filter — nền đặc thay thế để chữ vẫn đọc được */
@supports not ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){
  .lg{background:rgba(10,40,104,.86)}
  .nav menu{background:rgba(10,40,104,.96)}
}