/* Tre Việt – trevietmedic.vn */
:root{
  --g900:#1b3a19; --g800:#24461f; --g700:#2f5a27; --g600:#3f6f30; --g500:#5b8230; --g50:#f2f6ec;
  --gold:#b07e42; --gold-2:#c9955a; --gold-50:#f5ecdc; --orange:#f07c1d; --orange-600:#d9690f;
  --cream:#fbf8f1; --line:#ece3d2; --ink:#2a3326; --muted:#6c7166;
  --shadow:0 6px 24px -10px rgba(60,50,20,.18);
  --serif:'Playfair Display',Georgia,serif; --sans:'Be Vietnam Pro',system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--cream);line-height:1.55;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit}
.container{width:min(1320px,100% - 64px);margin-inline:auto}
svg.i{width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}

/* bamboo decorations */
.bamboo{position:absolute;width:190px;height:260px;color:#6f9a4a;opacity:.28;pointer-events:none;z-index:0}
.bamboo--l{left:-40px}
.bamboo--r{right:-40px;transform:scaleX(-1)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 26px;border-radius:8px;font:600 15.5px/1.2 var(--sans);text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:background .15s,transform .15s;white-space:nowrap}
.btn:hover{transform:translateY(-1px)}
.btn--green{background:var(--g700);color:#fff}
.btn--green:hover{background:var(--g800)}
.btn--orange{background:var(--orange);color:#fff;box-shadow:0 8px 18px -8px rgba(240,124,29,.75)}
.btn--orange:hover{background:var(--orange-600)}
.btn--ghost{border-color:rgba(255,255,255,.75);color:#fff}
.btn--ghost:hover{background:rgba(255,255,255,.08)}
.btn .i{font-size:19px}

/* header */
.header{position:sticky;top:0;z-index:50;background:rgba(253,251,246,.97);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header__in{display:flex;align-items:center;gap:24px;height:84px;width:min(1400px,100% - 48px)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.brand img{width:46px}
.brand__t{display:flex;flex-direction:column;align-items:center;line-height:1.1}
.brand__t b{font-size:14.5px;font-weight:800;color:var(--g700);letter-spacing:-.015em;white-space:nowrap}
.brand__t small{display:flex;align-items:center;gap:8px;margin-top:5px;font-size:9.5px;letter-spacing:.34em;color:var(--g500);font-weight:600;white-space:nowrap}
.brand__t small::before,.brand__t small::after{content:"";width:34px;height:1px;background:currentColor;opacity:.8}
.nav{margin-left:auto}
.nav>ul{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.nav a{display:block;padding:10px 9px;font-size:14.5px;text-decoration:none;color:#4a5345;white-space:nowrap}
.nav>ul>li>a:hover{color:var(--g700)}
.nav>ul>li>a.on{color:var(--g800);font-weight:600}
.caret{display:inline-block;margin-left:6px;width:7px;height:7px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:translateY(-3px) rotate(45deg)}
.has-sub{position:relative}
.sub{list-style:none;margin:0;padding:8px;position:absolute;top:100%;left:-8px;min-width:280px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 20px 40px -18px rgba(31,61,27,.35);opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s}
.has-sub:hover .sub,.has-sub:focus-within .sub{opacity:1;visibility:visible;transform:none}
.sub li:first-child{padding:6px 12px 4px;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.sub a{padding:10px 12px;border-radius:8px}
.sub a:hover{background:var(--g50);color:var(--g700)}
.header__cta{display:flex;align-items:center;gap:12px;margin-left:12px}
.phone{display:inline-flex;align-items:center;gap:9px;padding:11px 18px;border:1.5px solid var(--g600);border-radius:8px;font-weight:600;font-size:15px;color:var(--ink);text-decoration:none;white-space:nowrap}
.phone .i{color:var(--gold);font-size:18px}
.header .btn{padding:12px 20px}
.burger{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--g700);font-size:22px;cursor:pointer}

/* hero */
.hero{position:relative;overflow:hidden;background:#f9f5ec;min-height:500px;display:flex;align-items:center}
.hero__img{position:absolute;top:0;bottom:0;right:0;width:67%;background:url(img/hero.jpg) center/cover no-repeat}
.hero__img::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#f9f5ec 0%,rgba(249,245,236,.75) 16%,rgba(249,245,236,0) 38%)}
.hero .bamboo{left:-30px;bottom:-40px;width:260px;height:380px;opacity:.35}
.hero .container{position:relative;z-index:1}
.hero__in{padding:64px 0 72px;max-width:620px}
.kicker{font-size:13px;letter-spacing:.26em;font-weight:500;color:#7a7b70}
.hero h1{margin:18px 0 0;font:700 clamp(38px,4.6vw,64px)/1.14 var(--serif);color:var(--g800);letter-spacing:-.005em}
.hero__lead{margin:16px 0 0;font-size:19px;color:#5b5f55;max-width:520px;line-height:1.5}
.hero__btns{display:flex;flex-wrap:wrap;gap:16px;margin-top:30px}

.hero__script{position:absolute;right:3%;bottom:8%;z-index:1;font:500 clamp(20px,2vw,30px)/1.25 'Dancing Script',cursive;color:var(--gold);transform:rotate(-8deg);text-align:left;text-shadow:0 1px 8px rgba(255,255,255,.8)}
/* stats */
.stats{background:#fdfbf6;border-bottom:1px solid var(--line)}
.stats__in{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{display:flex;align-items:center;gap:18px;padding:26px 24px}
.stat+.stat{border-left:1px solid var(--line)}
.stat__ic{width:66px;height:66px;border-radius:50%;display:grid;place-items:center;background:var(--gold-50);color:var(--gold);font-size:30px;flex-shrink:0}
.stat__ic .i{stroke-width:2}
.stat__t b{display:block;font:700 22px/1.2 var(--serif);color:var(--g800)}
.stat__t span{display:block;font-size:13.5px;color:var(--muted);margin-top:4px}

/* section base */
.sec{position:relative;padding:60px 0;overflow:hidden}
.sec>.container{position:relative;z-index:1}
.head{text-align:center;max-width:900px;margin:0 auto 34px}
.head h2{margin:0;font:700 clamp(28px,3.1vw,40px)/1.2 var(--serif);color:var(--g800)}
.head h2 .big{font-size:1.18em}
.head h2 .light{font-weight:600;font-size:.88em}
.head p{margin:10px 0 0;color:var(--muted);font-size:16px}
.divider{display:flex;align-items:center;justify-content:center;gap:10px;margin:10px auto 0;color:var(--g500)}
.divider::before,.divider::after{content:"";width:42px;height:1.5px;background:currentColor;opacity:.6}
.divider .i{font-size:20px}

/* journey */
.journey{padding-top:48px}
.row{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:44px}
.row--1{padding:0 0 34px 26px;margin-right:26px;border:1.6px dashed rgba(176,126,66,.55);border-top:0;border-right-width:0;border-radius:0 0 0 32px}
.row--1::after{content:"";position:absolute;right:-26px;top:40px;bottom:-1.6px;width:40px;border:1.6px dashed rgba(176,126,66,.55);border-left:0;border-top:0;border-radius:0 0 40px 0}
.row--2{margin-top:30px;padding-left:26px}
.row__arrow{position:absolute;bottom:-9px;width:14px;height:14px;border-top:2px solid var(--gold);border-right:2px solid var(--gold);transform:rotate(45deg)}
.step{position:relative;display:flex;flex-direction:column;text-decoration:none;color:inherit}
.step__media{position:relative;padding-left:38px}
.step__media img{width:100%;aspect-ratio:1.72;object-fit:cover;border-radius:18px}
.step__no{position:absolute;left:0;top:-4px;z-index:2;width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:#fff;box-shadow:0 0 0 1px var(--line)}
.step__no b{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--gold);color:#fff;font:700 15px/1 var(--serif)}
.step__ic{position:absolute;left:-2px;top:48px;z-index:2;width:84px;height:84px;border-radius:50%;display:grid;place-items:center;background:#fff;color:var(--gold);font-size:40px;box-shadow:0 8px 18px -8px rgba(90,70,30,.35)}
.step__ic .i{stroke-width:1.5}
.row--2 .step__no::before{content:"";position:absolute;left:-26px;top:22px;width:24px;height:60px;border:1.6px dashed rgba(176,126,66,.55);border-right:0;border-bottom:0;border-radius:24px 0 0 0}
.step__body{padding:14px 0 0 14px;display:flex;flex-direction:column;flex:1}
.step h3{margin:0;font:700 19px/1.3 var(--serif);color:var(--g800)}
.step h3 small{display:block;font-size:inherit;font-weight:inherit}
.step p{margin:6px 0 10px;font-size:14.5px;color:var(--muted)}
.step__unit{margin-top:auto;font:500 15.5px/1.3 var(--serif);color:var(--gold)}
.step:not(:last-child)::after{content:"";position:absolute;right:-28px;top:52px;width:10px;height:10px;border-top:2px solid var(--gold);border-right:2px solid var(--gold);transform:rotate(45deg)}
a.step:hover h3{color:var(--g500)}
.step:nth-child(4)::after{display:none}

/* asina */
.asina{position:relative;background:var(--g800);color:#fff;overflow:hidden}
.asina__img{position:absolute;top:0;bottom:0;right:0;width:52%;background:url(img/asina.jpg) center/cover no-repeat}
.asina__img::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--g800) 0%,rgba(36,70,31,.6) 10%,rgba(36,70,31,0) 26%)}
.asina .container{position:relative;z-index:1}
.asina__txt{width:52%;padding:44px 36px 48px 0}
.asina__logo{display:inline-block;background:#fff;padding:12px 20px;border-radius:14px;margin-bottom:20px;box-shadow:0 8px 20px -10px rgba(0,0,0,.35)}
.asina__logo img{display:block;width:min(280px,60vw);height:auto}
.asina h2{margin:0;font:600 clamp(26px,2.6vw,36px)/1.22 var(--serif)}
.asina__sub{margin:10px 0 0;font-size:19px;color:#eef3ea}
.asina__list{display:grid;grid-template-columns:1fr 1fr;gap:18px 26px;margin:26px 0 28px;padding:0;list-style:none}
.asina__list li{display:flex;align-items:center;gap:16px;font-size:15.5px;line-height:1.45}
.asina__list .ic{width:56px;height:56px;border:1.5px solid rgba(255,255,255,.7);border-radius:50%;display:grid;place-items:center;font-size:28px;flex-shrink:0}
.asina__btns{display:flex;flex-wrap:wrap;gap:16px}
.asina__btns .btn{min-width:200px}

/* members */
.members{display:grid;grid-template-columns:repeat(7,1fr);gap:14px}
.mem{display:flex;flex-direction:column;align-items:center;text-align:center;gap:6px;padding:22px 10px 20px;background:#fff;border-radius:12px;box-shadow:var(--shadow);text-decoration:none;color:inherit;transition:transform .15s}
a.mem:hover{transform:translateY(-3px)}
.mem .i{font-size:44px;color:var(--g700);stroke-width:1.6;margin-bottom:8px}
.mem__logo{height:58px;width:auto;max-width:92%;object-fit:contain;margin-bottom:8px}
.mem__logo--wide{height:38px;margin-top:8px}
.mem .i.gold{color:var(--gold)}
.mem b{font:700 16.5px/1.3 var(--serif);color:var(--ink)}
.mem span{font-size:13.5px;color:var(--muted);line-height:1.4}

/* feel */
.feels{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.feel-card{padding:30px 22px 28px;text-align:center;background:#fffdf9;border-radius:14px;box-shadow:var(--shadow)}
.feel-card .i{font-size:78px;color:var(--g700);stroke-width:1.5;margin:0 auto 18px}
.feel-card .i .acc{stroke:var(--gold)}
.feel-card .i .accf{stroke:var(--gold);fill:rgba(201,149,90,.35)}
.feel-ic{height:84px;width:auto;margin:0 auto 18px;object-fit:contain}
.feel-card h3{margin:0;font:700 19px/1.3 var(--serif);color:var(--ink)}
.feel-card p{margin:8px 0 0;font-size:15px;color:var(--muted)}

/* hospitals */
.hosp{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.h-card{display:flex;align-items:center;gap:22px;padding:20px 26px;min-height:84px;background:#fff;border-radius:10px;box-shadow:var(--shadow);font:500 16px/1.35 var(--serif);color:var(--ink)}
.h-card .cross{width:30px;height:30px;flex-shrink:0;fill:#4c8a3c}
.h-card .h-logo{width:42px;height:42px;object-fit:contain;flex-shrink:0}

/* knowledge */
.news-head{position:relative}
.news-more{position:absolute;right:0;bottom:6px;font-size:14.5px;font-weight:600;color:var(--orange);text-decoration:none;display:inline-flex;align-items:center;gap:8px}
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.post{display:flex;background:#fff;border-radius:12px;overflow:hidden;box-shadow:var(--shadow);text-decoration:none;color:inherit;transition:transform .15s}
.post:hover{transform:translateY(-3px)}
.post img{width:44%;align-self:stretch;min-height:160px;object-fit:cover;flex-shrink:0;border-radius:10px;margin:6px}
.post>div{padding:18px 18px 16px 12px;display:flex;flex-direction:column}
.post h3{margin:0;font:700 18px/1.3 var(--serif);color:var(--ink)}
.post p{margin:8px 0 12px;font-size:13.5px;color:var(--muted)}
.post span{margin-top:auto;font-size:15px;font-weight:600;color:var(--orange);display:inline-flex;align-items:center;gap:8px}

/* signup */
.signup{position:relative;overflow:hidden;background:linear-gradient(180deg,#24461f,#1f3f1b);color:#fff}
.signup .bamboo{opacity:.3;color:#8fb56a;top:-20px}
.signup__in{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1.5fr;gap:40px;align-items:center;padding:42px 0 46px}
.signup h2{margin:0;font:700 38px/1.2 var(--serif)}
.signup p{margin:10px 0 0;color:#d9e4d2;font-size:17px;max-width:440px}
.form{display:grid;grid-template-columns:1fr 1fr 1.15fr 1.25fr;gap:12px}
.field{position:relative}
.field .i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--g700);font-size:18px;pointer-events:none}
.form input,.form select{height:54px;padding:0 14px 0 42px;border:0;border-radius:6px;font:15px var(--sans);color:var(--ink);background:#fff;width:100%;appearance:none;-webkit-appearance:none}
.form select{padding-left:16px;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23556' stroke-width='1.8'/%3E%3C/svg%3E") right 14px center no-repeat}
.form .btn{height:54px;border-radius:6px}
.form__msg{grid-column:1/-1;margin:0;font-size:14px;color:#ffe2c6}
.form__msg:empty{display:none}

/* footer */
.footer{position:relative;overflow:hidden;background:#1f3f1b;color:#d4ddcd;font-size:15px;border-top:1px solid rgba(255,255,255,.12)}
.footer .bamboo{color:#8fb56a;opacity:.25;bottom:-40px}
.footer__grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1.5fr 1.4fr 1.2fr 1fr;gap:34px;padding:44px 0 36px}
.f-brand{display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px}
.f-brand img{width:112px}
.f-brand b{font-size:12.5px;color:#fff;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.f-brand small{display:flex;align-items:center;gap:8px;font-size:9.5px;letter-spacing:.3em;color:#cfdcc4}
.f-brand small::before,.f-brand small::after{content:"";width:40px;height:1px;background:currentColor}
.footer h4{margin:0 0 14px;font:600 17px/1.3 var(--serif);color:#fff}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:7px}
.footer a{text-decoration:none;color:#d4ddcd}
.footer a:hover{color:#fff}
.f-info{gap:12px!important}
.f-info li{display:flex;gap:12px;align-items:flex-start}
.f-info .i{margin-top:3px;font-size:18px;color:#fff}
.f-steps{counter-reset:f}
.f-steps li{display:flex;gap:14px}
.f-steps li::before{counter-increment:f;content:counter(f,decimal-leading-zero)".";min-width:22px}
.f-mem li{display:flex;gap:14px;align-items:baseline}
.f-mem li::before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor;flex-shrink:0;transform:translateY(-2px)}
.social{display:flex;gap:12px}
.social a{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:700;font-size:10.5px;transition:transform .15s}
.social a:hover{transform:translateY(-2px)}
.social .fb{background:#1877f2}.social .zl{background:#0a68ff}.social .tt{background:#111}.social .yt{background:#f00}
.social svg{width:20px;height:20px;fill:#fff}
.footer__bot{position:relative;z-index:1;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;font-size:14px;text-align:center;color:#b9c7b1}

.mbar{display:none}

/* responsive */
@media (max-width:1600px){.phone span{display:none}.phone{padding:11px 12px}}
@media (max-width:1440px){.nav>ul{gap:0}.nav a{padding:10px 7px;font-size:14px}.header__in{gap:14px}.header__cta{margin-left:4px}.brand__t b{font-size:13.5px}}
@media (max-width:1280px){
  .burger{display:grid;place-items:center}
  .nav{position:fixed;inset:84px 0 auto 0;margin:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 20px 30px -20px rgba(0,0,0,.3);display:none;max-height:calc(100vh - 84px);overflow:auto}
  .nav.open{display:block}
  .nav>ul{flex-direction:column;align-items:stretch;padding:10px 24px 20px}
  .nav a{padding:13px 4px;font-size:15.5px;border-bottom:1px solid var(--line)}
  .sub{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;min-width:0;padding:0 0 0 14px}
  .header__cta{margin-left:auto}
  .burger{margin-left:0}
  .row{grid-template-columns:repeat(2,1fr);gap:34px 30px}
  .row--1,.row--2{border:0;padding:0;margin:0}
  .row--2{margin-top:34px}
  .row--1::after,.row__arrow,.step::after,.row--2 .step__no::before{display:none}
  .members{grid-template-columns:repeat(4,1fr)}
  .feels{grid-template-columns:repeat(3,1fr)}
  .hosp{grid-template-columns:repeat(2,1fr)}
  .news{grid-template-columns:1fr}
  .news-more{position:static;display:flex;justify-content:center;margin-top:6px}
  .asina__img{position:relative;width:auto;height:360px}
  .asina__img::before{background:linear-gradient(180deg,var(--g800),rgba(36,70,31,0) 25%)}
  .asina__txt{width:auto;padding:48px 0 36px}
  .signup__in{grid-template-columns:1fr}
  .form{grid-template-columns:1fr 1fr}
  .footer__grid{grid-template-columns:1fr 1fr}
  .f-brand{grid-column:1/-1}
  .stats__in{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(3){border-left:0}
  .stat:nth-child(n+3){border-top:1px solid var(--line)}
}
@media (max-width:700px){
  body{font-size:15px;padding-bottom:62px}
  .container{width:calc(100% - 32px)}
  .header__in{height:68px;gap:10px}
  .nav{inset:68px 0 auto 0}
  .brand img{width:34px}
  .brand__t b{font-size:10.5px}
  .brand__t small{font-size:8px;letter-spacing:.22em}
  .brand__t small::before,.brand__t small::after{width:16px}
  .header__cta{display:none}
  .burger{margin-left:auto}
  .hero{display:block;min-height:0}
  .hero__img{position:relative;width:auto;height:270px}
  .hero__img::before{background:linear-gradient(0deg,#f9f5ec 0%,rgba(249,245,236,0) 35%)}
  .hero .bamboo{display:none}
  .hero__script{display:none}
  .hero__in{padding:6px 0 40px}
  .kicker{font-size:11.5px}
  .hero__lead{font-size:16px}
  .hero__btns .btn{flex:1 1 100%}
  .stat{padding:16px 12px;gap:10px}
  .stat__ic{width:44px;height:44px;font-size:21px}
  .stat__t b{font-size:16px}
  .stat__t span{font-size:12px}
  .sec{padding:46px 0}
  .bamboo{display:none}
  .row{grid-template-columns:1fr;gap:26px}
  .step{flex-direction:row;gap:12px}
  .step__media{width:44%;flex-shrink:0;padding-left:0}
  .step__media img{aspect-ratio:1.3;border-radius:14px}
  .step__no{left:6px;top:6px;width:38px;height:38px}
  .step__no b{width:30px;height:30px;font-size:13px}
  .step__ic{display:none}
  .step__body{padding:0}
  .step h3{font-size:17px}
  .step p{font-size:14px}
  .step__unit{font-size:14.5px}
  .asina__img{height:250px}
  .asina__logo{padding:10px 14px;margin-bottom:14px}
  .asina__logo img{width:min(230px,64vw)}
  .asina__list{grid-template-columns:1fr;gap:12px}
  .asina__list .ic{width:46px;height:46px;font-size:22px}
  .asina__btns .btn{flex:1 1 100%}
  .members{grid-template-columns:repeat(2,1fr)}
  .feels{grid-template-columns:1fr 1fr;gap:12px}
  .feel-card{padding:22px 14px}
  .feel-ic{height:64px;margin-bottom:12px}
  .feel-card:last-child{grid-column:1/-1}
  .hosp{grid-template-columns:1fr}
  .post img{width:38%}
  .signup h2{font-size:30px}
  .form{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr;gap:28px}
  .mbar{display:grid;grid-template-columns:1fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:60;background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 20px -12px rgba(0,0,0,.25)}
  .mbar a{display:flex;align-items:center;justify-content:center;gap:8px;height:60px;font-weight:700;text-decoration:none;color:var(--g800)}
  .mbar a+a{background:var(--orange);color:#fff}
}