/* ============================================================
   PHÒNG KHÁM SẢN PHỤ KHOA MAI PHƯƠNG — Design System
   Tông: Hồng · Trắng · Cam · Vàng chanh
   ============================================================ */

/* ---------- Tokens ---------- */
:root{
  /* Màu thương hiệu */
  --pink-700:#C7396F;
  --pink-600:#DC4C82;
  --pink-500:#EC6A9C;
  --pink-400:#F58FB7;
  --pink-200:#FBC9DD;
  --pink-100:#FCE1EC;
  --pink-50:#FFF4F8;

  --orange-600:#F2761B;
  --orange-500:#FF8A3D;
  --orange-400:#FFA65E;
  --orange-100:#FFE6D2;

  --lemon-500:#EAD90F;
  --lemon-400:#F2E64B;
  --lemon-200:#FBF6B8;

  --white:#FFFFFF;
  --cream:#FFFBF5;
  --ink:#33223B;        /* chữ chính - tím mận đậm ấm */
  --ink-soft:#6E5C74;   /* chữ phụ */
  --line:#F3DDE7;       /* viền nhạt */
  --shadow:0 18px 40px -22px rgba(199,57,111,.45);
  --shadow-sm:0 8px 24px -16px rgba(199,57,111,.5);

  --grad-brand:linear-gradient(120deg,var(--pink-600) 0%,var(--pink-500) 45%,var(--orange-500) 100%);
  --grad-cta:linear-gradient(120deg,var(--orange-500),var(--pink-500));
  --grad-soft:linear-gradient(160deg,var(--pink-50),var(--cream) 60%,#FFF9EE);

  --radius:18px;
  --radius-lg:28px;
  --radius-pill:999px;
  --maxw:1180px;
  --font:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--cream);
  line-height:1.7;
  font-size:16.5px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
h1,h2,h3,h4{line-height:1.2;font-weight:800;color:var(--ink);letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.4vw,3.25rem)}
h2{font-size:clamp(1.55rem,3.2vw,2.35rem)}
h3{font-size:clamp(1.2rem,2vw,1.5rem)}
p{color:var(--ink-soft)}
strong{color:var(--ink)}
section{position:relative}

/* ---------- Layout ---------- */
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:22px}
.section{padding:74px 0}
.section-tight{padding:48px 0}
.center{text-align:center}
.mx-auto{margin-inline:auto}
.grid{display:grid;gap:26px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.eyebrow{
  display:inline-block;font-weight:700;font-size:.82rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--pink-600);
  background:var(--pink-100);padding:7px 15px;border-radius:var(--radius-pill);margin-bottom:16px;
}
.lead{font-size:1.12rem;max-width:62ch}
.section-head{max-width:760px;margin:0 auto 44px}
.section-head.center{text-align:center}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;justify-content:center;
  font-weight:700;font-size:1rem;padding:14px 26px;border-radius:var(--radius-pill);
  border:0;cursor:pointer;transition:.22s ease;line-height:1;text-align:center;
}
.btn-cta{background:var(--grad-cta);color:#fff;box-shadow:var(--shadow-sm)}
.btn-cta:hover{transform:translateY(-2px);box-shadow:0 20px 34px -18px rgba(255,138,61,.75)}
.btn-primary{background:var(--pink-600);color:#fff}
.btn-primary:hover{background:var(--pink-700);transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--pink-600);border:2px solid var(--pink-200)}
.btn-ghost:hover{border-color:var(--pink-500);color:var(--pink-700)}
.btn-lemon{background:var(--lemon-400);color:var(--ink)}
.btn-lemon:hover{background:var(--lemon-500)}
.btn-lg{padding:17px 34px;font-size:1.06rem}
.btn-block{width:100%}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;margin-right:auto}
.brand-mark{
  width:46px;height:46px;border-radius:14px;background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:1.15rem;box-shadow:var(--shadow-sm);
  letter-spacing:.02em;flex:0 0 auto;
}
.brand-text strong{display:block;font-size:1.12rem;color:var(--pink-700);line-height:1.15}
.brand-text small{display:block;font-size:.74rem;color:var(--ink-soft);letter-spacing:.04em}
.site-nav>ul{display:flex;align-items:center;gap:4px}
.site-nav a{
  display:block;padding:10px 14px;border-radius:12px;font-weight:600;font-size:.96rem;
  color:var(--ink);transition:.16s;white-space:nowrap;
}
.site-nav a:hover{background:var(--pink-50);color:var(--pink-700)}
.site-nav .active>a{color:var(--pink-700);background:var(--pink-100)}
.has-sub{position:relative}
.has-sub>.sub{
  position:absolute;top:calc(100% + 8px);left:0;min-width:236px;background:#fff;
  border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);
  padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.18s;
}
.has-sub:hover>.sub,.has-sub:focus-within>.sub{opacity:1;visibility:visible;transform:translateY(0)}
.sub a{font-size:.92rem;padding:9px 12px}
.header-cta{padding:11px 20px;font-size:.95rem}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2.5px;background:var(--pink-700);border-radius:3px;transition:.2s}

/* ---------- Hero ---------- */
.hero{background:var(--grad-soft);overflow:hidden;position:relative}
.hero::before{
  content:"";position:absolute;width:520px;height:520px;right:-140px;top:-160px;
  background:radial-gradient(circle,var(--pink-200),transparent 68%);z-index:0;
}
.hero::after{
  content:"";position:absolute;width:420px;height:420px;left:-160px;bottom:-180px;
  background:radial-gradient(circle,var(--lemon-200),transparent 70%);z-index:0;
}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
  padding:76px 0;position:relative;z-index:1}
.hero h1 span{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{margin:20px 0 30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-trust{display:flex;flex-wrap:wrap;gap:22px;margin-top:34px}
.hero-trust div{display:flex;align-items:center;gap:9px;font-size:.92rem;font-weight:600}
.hero-trust b{color:var(--pink-700);font-size:1.35rem;font-weight:800}
.hero-media{position:relative}
.hero-card{
  background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow);
  border:1px solid var(--line);padding:26px;
}
.hero-card .ratio{
  aspect-ratio:4/3;border-radius:20px;background:var(--grad-brand);
  display:grid;place-items:center;color:#fff;text-align:center;padding:20px;
}
.floating{
  position:absolute;background:#fff;border-radius:16px;box-shadow:var(--shadow-sm);
  padding:12px 16px;display:flex;gap:10px;align-items:center;font-weight:700;font-size:.9rem;
  border:1px solid var(--line);
}
.floating .dot{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;font-size:1.1rem}
.floating.f1{top:-18px;left:-20px}
.floating.f2{bottom:-18px;right:-14px}

/* ---------- Cards / Services ---------- */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow-sm);transition:.25s;height:100%;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--pink-200)}
.card .ico{
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;font-size:1.6rem;
  margin-bottom:16px;background:var(--pink-100);color:var(--pink-600);
}
.card.o .ico{background:var(--orange-100);color:var(--orange-600)}
.card.l .ico{background:var(--lemon-200);color:#9a8b00}
.card h3{margin-bottom:8px}
.card p{font-size:.97rem;margin-bottom:14px}
.card .more{font-weight:700;color:var(--pink-600);font-size:.94rem;display:inline-flex;gap:6px}
.card .more:hover{gap:11px}
.card-link{display:block}

/* Feature list */
.feature{display:flex;gap:14px;align-items:flex-start}
.feature .fi{
  flex:0 0 auto;width:44px;height:44px;border-radius:12px;background:var(--pink-100);
  color:var(--pink-600);display:grid;place-items:center;font-size:1.2rem;
}
.feature h4{font-size:1.08rem;margin-bottom:4px}
.feature p{font-size:.94rem}

/* checklist */
.check{display:grid;gap:12px}
.check li{display:flex;gap:11px;align-items:flex-start;font-size:1rem;color:var(--ink)}
.check li::before{
  content:"✓";flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  background:var(--pink-100);color:var(--pink-600);display:grid;place-items:center;
  font-weight:800;font-size:.85rem;margin-top:3px;
}
.check.o li::before{background:var(--orange-100);color:var(--orange-600)}

/* Stats band */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;text-align:center;box-shadow:var(--shadow-sm)}
.stat b{display:block;font-size:2.3rem;font-weight:800;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{font-size:.92rem;color:var(--ink-soft);font-weight:600}

/* Pills / tags */
.tags{display:flex;flex-wrap:wrap;gap:10px}
.pill{background:var(--pink-100);color:var(--pink-700);padding:7px 15px;border-radius:var(--radius-pill);font-weight:600;font-size:.88rem}
.pill.o{background:var(--orange-100);color:var(--orange-600)}
.pill.l{background:var(--lemon-200);color:#8a7c00}

/* Split section */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split.reverse .split-media{order:2}
.media-box{
  border-radius:var(--radius-lg);background:var(--grad-brand);aspect-ratio:5/4;
  display:grid;place-items:center;color:#fff;text-align:center;padding:30px;box-shadow:var(--shadow);
}
.media-box.soft{background:var(--grad-soft);color:var(--pink-700);border:1px solid var(--line)}

/* Steps */
.steps{counter-reset:s;display:grid;gap:20px}
.step{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm)}
.step::before{
  counter-increment:s;content:counter(s);flex:0 0 auto;width:46px;height:46px;border-radius:14px;
  background:var(--grad-cta);color:#fff;display:grid;place-items:center;font-weight:800;font-size:1.25rem;
}
.step h4{margin-bottom:4px}

/* CTA band */
.cta-band{background:var(--grad-brand);border-radius:var(--radius-lg);padding:52px;color:#fff;text-align:center;position:relative;overflow:hidden;box-shadow:var(--shadow)}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.92);max-width:60ch;margin:14px auto 26px}
.cta-band .btn-ghost{background:#fff;border:0;color:var(--pink-700)}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* Breadcrumb */
.breadcrumb{background:var(--pink-50);border-bottom:1px solid var(--line)}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:8px;padding:16px 0;font-size:.9rem;color:var(--ink-soft)}
.breadcrumb a:hover{color:var(--pink-600)}
.breadcrumb li+li::before{content:"›";margin-right:8px;color:var(--pink-400)}
.breadcrumb [aria-current]{color:var(--pink-700);font-weight:600}

/* Page hero (subpages) */
.page-hero{background:var(--grad-soft);padding:56px 0;position:relative;overflow:hidden}
.page-hero .eyebrow{background:#fff}
.page-hero p{max-width:64ch}

/* FAQ */
.faq{display:grid;gap:14px;max-width:820px;margin-inline:auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:6px 22px;box-shadow:var(--shadow-sm)}
.faq summary{cursor:pointer;font-weight:700;padding:16px 0;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--pink-500);font-weight:700;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 0 18px;font-size:.98rem}

/* Products */
.prod{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:.25s;display:flex;flex-direction:column}
.prod:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.prod-thumb{aspect-ratio:1/1;background:var(--grad-soft);display:grid;place-items:center;font-size:3rem;color:var(--pink-400);position:relative}
.prod-badge{position:absolute;top:12px;left:12px;background:var(--orange-500);color:#fff;font-size:.75rem;font-weight:700;padding:5px 11px;border-radius:var(--radius-pill)}
.prod-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1}
.prod-body .stage{font-size:.78rem;font-weight:700;color:var(--pink-600);text-transform:uppercase;letter-spacing:.06em}
.prod-body h3{font-size:1.12rem}
.prod-body p{font-size:.92rem;flex:1}
.price{display:flex;align-items:baseline;gap:10px;margin-top:4px}
.price b{font-size:1.3rem;color:var(--pink-700);font-weight:800}
.price del{color:var(--ink-soft);font-size:.92rem}

/* Table (bảng giá) */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
table.price-table{width:100%;border-collapse:collapse;background:#fff;min-width:560px}
.price-table th,.price-table td{padding:15px 20px;text-align:left;border-bottom:1px solid var(--line)}
.price-table thead th{background:var(--pink-600);color:#fff;font-weight:700}
.price-table tbody tr:nth-child(even){background:var(--pink-50)}
.price-table td:last-child{font-weight:700;color:var(--pink-700);white-space:nowrap}
.price-table caption{caption-side:bottom;padding:12px;font-size:.85rem;color:var(--ink-soft)}

/* Forms */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow)}
.field{margin-bottom:18px}
.field label{display:block;font-weight:600;font-size:.92rem;margin-bottom:7px;color:var(--ink)}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border:1.6px solid var(--line);border-radius:12px;
  font-family:inherit;font-size:1rem;color:var(--ink);background:var(--pink-50);transition:.18s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:0;border-color:var(--pink-400);background:#fff;box-shadow:0 0 0 4px var(--pink-100);
}
.field textarea{min-height:120px;resize:vertical}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-note{font-size:.84rem;color:var(--ink-soft);margin-top:10px}

/* Info list (contact) */
.info-list{display:grid;gap:18px}
.info-list .feature .fi{background:var(--grad-cta);color:#fff}
.info-list a{color:var(--pink-700);font-weight:600}

/* Article / blog */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.post{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:.25s;display:flex;flex-direction:column}
.post:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.post-thumb{aspect-ratio:16/10;background:var(--grad-soft);display:grid;place-items:center;font-size:2.4rem;color:var(--pink-400)}
.post-body{padding:22px;display:flex;flex-direction:column;gap:9px;flex:1}
.post-body .cat{font-size:.78rem;font-weight:700;color:var(--orange-600);text-transform:uppercase;letter-spacing:.05em}
.post-body h3{font-size:1.12rem}
.post-body p{font-size:.92rem;flex:1}

/* Prose (article body) */
.prose{max-width:760px;margin-inline:auto}
.prose h2{margin:36px 0 14px}
.prose h3{margin:26px 0 10px}
.prose p{margin-bottom:16px;color:var(--ink-soft)}
.prose ul{margin:0 0 18px;display:grid;gap:9px}
.prose ul li{position:relative;padding-left:26px;color:var(--ink-soft)}
.prose ul li::before{content:"•";position:absolute;left:8px;color:var(--pink-500);font-weight:800}
.prose blockquote{border-left:4px solid var(--pink-400);background:var(--pink-50);padding:16px 20px;border-radius:0 14px 14px 0;margin:20px 0;font-style:italic;color:var(--ink)}

/* Notice / disclaimer */
.notice{background:var(--lemon-200);border:1px solid var(--lemon-400);border-radius:14px;padding:16px 20px;font-size:.9rem;color:#7a6f00;display:flex;gap:12px}
.notice.pink{background:var(--pink-50);border-color:var(--pink-200);color:var(--pink-700)}

/* Related cross-links */
.related{background:var(--pink-50);border-top:1px solid var(--line)}

/* ---------- Footer ---------- */
.site-footer{background:#2A1B31;color:#E9DCEE;padding:60px 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.site-footer h4{color:#fff;font-size:1.02rem;margin-bottom:16px}
.site-footer a{color:#D9C6E0;font-size:.93rem;transition:.16s}
.site-footer a:hover{color:var(--lemon-400)}
.footer-links{display:grid;gap:10px}
.footer-contact a,.footer-links a,.info-list a{overflow-wrap:anywhere;word-break:break-word}
.site-footer .brand-text strong{color:#fff}
.site-footer .brand-text small{color:#C9B4D2}
.site-footer p{color:#C9B4D2;font-size:.92rem}
.footer-contact{display:grid;gap:12px;font-size:.92rem}
.footer-contact div{display:flex;gap:10px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.85rem;color:#B7A2C0}

/* Floating booking button (mobile) */
.fab{position:fixed;right:18px;bottom:18px;z-index:70;display:none;gap:10px}
.fab a{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;box-shadow:var(--shadow);font-size:1.4rem}
.fab .call{background:var(--grad-cta);color:#fff}
.fab .zalo{background:#0068FF;color:#fff;font-size:.7rem;font-weight:800}

/* ---------- Responsive ---------- */
@media(max-width:960px){
  .hero-inner,.split{grid-template-columns:1fr;gap:34px}
  .split.reverse .split-media{order:0}
  .g4,.stats{grid-template-columns:repeat(2,1fr)}
  .g3,.article-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-toggle{display:flex}
  .site-nav{
    position:fixed;inset:74px 0 auto 0;background:#fff;border-bottom:1px solid var(--line);
    padding:14px 22px 22px;box-shadow:var(--shadow);transform:translateY(-140%);transition:.28s;max-height:calc(100vh - 74px);overflow:auto;
  }
  .site-nav.open{transform:translateY(0)}
  .site-nav>ul{flex-direction:column;align-items:stretch;gap:2px}
  .site-nav a{padding:13px 12px;border-radius:12px}
  .has-sub>.sub{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;border-left:2px solid var(--pink-200);border-radius:0;margin:2px 0 6px 10px;padding-left:8px}
  .header-cta{display:none}
  .fab{display:flex}
}
@media(max-width:560px){
  .g2,.g3,.g4,.stats,.article-grid,.form-row,.footer-grid{grid-template-columns:1fr}
  .section{padding:52px 0}
  .cta-band{padding:34px 22px}
  .hero-inner{padding:52px 0}
  .floating{display:none}
}

/* reveal animation */
@media(prefers-reduced-motion:no-preference){
  .reveal{opacity:0;transform:translateY(22px);transition:.6s ease}
  .reveal.in{opacity:1;transform:none}
}

/* photo helpers */
.img-frame{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);line-height:0;background:var(--pink-50)}
.img-frame img{width:100%;height:100%;object-fit:cover;display:block}
.media-box.photo{padding:0;overflow:hidden;background:none;border:0}
.media-box.photo img{width:100%;height:100%;object-fit:cover;display:block}
.hero-card .ratio.photo{padding:0;overflow:hidden}
.hero-card .ratio.photo img{width:100%;height:100%;object-fit:cover;border-radius:20px;display:block}
.prod-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}