/* mkt.css — style chung cho các trang marketing phụ (Về / FAQ / Liên hệ). Brand Mẹ Múp Míp. */
:root{
  --paper:#FFFAF1;--surface:#FFFDF9;--surface-2:#F5EAD8;--ink:#1E2B24;--ink-soft:#5F6E64;--ink-faint:#8A7E6E;--line:#EADCCB;
  /* Đồng bộ tông LANDING: coral-strong (links/tiêu đề) = XANH rừng; coral (nút) = CAM. */
  --coral:#D97736;--coral-strong:#0E4D37;--coral-soft:#FBEBDD;--green:#1B6A4B;--green-deep:#0E4D37;--green-soft:#E7F0E5;--green-band:#EAF2E7;--gold:#C8952B;
  --serif:"Fraunces","Iowan Old Style",Palatino,Georgia,serif;--sans:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--shadow:0 10px 30px -14px rgba(80,55,30,.28);
}
@media(prefers-color-scheme:dark){:root{--paper:#211D17;--surface:#2A251E;--surface-2:#322B22;--ink:#F3EBDD;--ink-soft:#C0B4A1;--ink-faint:#9C917F;--line:#3B342A;--coral:#EF9264;--coral-strong:#E0854F;--coral-soft:#3A281C;--green:#93C29D;--green-deep:#8FBE97;--green-soft:#1E3325;--green-band:#1B2C20;}}
:root[data-theme="light"]{--paper:#FFFAF1;--surface:#FFFDF9;--ink:#1E2B24;--line:#EADCCB;--coral:#D97736;--green-band:#EAF2E7;}
:root[data-theme="dark"]{--paper:#211D17;--surface:#2A251E;--ink:#F3EBDD;--line:#3B342A;--coral:#EF9264;--green-band:#1B2C20;}
*{box-sizing:border-box;}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.65;-webkit-font-smoothing:antialiased;}
@media(prefers-color-scheme:light){body{background:linear-gradient(180deg,rgba(255,250,241,.88),rgba(255,253,248,.96)),radial-gradient(circle at 12% 0%,rgba(200,149,43,.13),transparent 34rem),#FFFAF1;}}
:root[data-theme="light"] body{background:linear-gradient(180deg,rgba(255,250,241,.88),rgba(255,253,248,.96)),radial-gradient(circle at 12% 0%,rgba(200,149,43,.13),transparent 34rem),#FFFAF1;}
h1,h2,h3{font-family:var(--serif);font-weight:600;letter-spacing:-.02em;text-wrap:balance;}
a{color:var(--coral-strong);}
.container{max-width:1060px;margin:0 auto;padding:0 22px;}
.nav{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--paper) 90%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.nav-in{max-width:1060px;margin:0 auto;padding:12px 22px;display:flex;align-items:center;gap:14px;}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;}
.logo b{font-family:var(--serif);font-size:19px;color:var(--coral-strong);font-weight:600;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:15px;border-radius:12px;padding:12px 22px;border:1.5px solid transparent;cursor:pointer;text-decoration:none;background:var(--coral);color:#fff;}
.btn:hover{filter:brightness(.97);} .btn.sm{padding:9px 15px;font-size:13.5px;border-radius:10px;} .nav .btn{margin-left:auto;}
.btn.out{background:transparent;color:var(--green-deep);border-color:var(--green-deep);}
.hero{background:transparent;padding:48px 0 34px;}
.hero .container{text-align:center;}
.eyebrow{font-size:12px;letter-spacing:.15em;text-transform:uppercase;font-weight:700;color:var(--green-deep);margin:0 0 10px;}
.hero h1{font-size:clamp(28px,4.6vw,42px);margin:0 0 12px;color:var(--green);}
.hero p{color:var(--ink-soft);font-size:17px;margin:0 auto;max-width:52ch;}
main{padding:44px 0 72px;}
.prose{max-width:760px;margin:0 auto;}
.prose p{font-size:16.5px;color:var(--ink);margin:0 0 18px;}
.prose p.soft{color:var(--ink-soft);}
.prose h2{font-size:24px;margin:34px 0 12px;color:var(--green);}
.prose ul{padding-left:20px;color:var(--ink);} .prose li{margin:8px 0;}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;margin:18px 0;box-shadow:var(--shadow);}
.card.legal{max-width:840px;margin-left:auto;margin-right:auto;}
details{background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin:0 auto 12px;max-width:840px;}
summary{cursor:pointer;padding:17px 20px;font-weight:600;font-size:16px;list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:center;}
summary::-webkit-details-marker{display:none;} summary::after{content:"+";color:var(--coral-strong);font-size:22px;transition:transform .2s;}
details[open] summary::after{transform:rotate(45deg);}
details .a{padding:0 20px 18px;color:var(--ink-soft);font-size:15px;}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
@media(max-width:560px){.contact-grid{grid-template-columns:1fr;}}
.cbox{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px;text-align:center;}
.cbox .ic{font-size:28px;} .cbox h3{font-size:16px;margin:8px 0 4px;} .cbox p{font-size:14px;color:var(--ink-soft);margin:0 0 12px;}
.cta-band{background:var(--green-band);border:1px solid color-mix(in srgb,var(--green) 40%,transparent);border-radius:18px;padding:28px;text-align:center;margin:34px 0 0;}
.cta-band h2{margin:0 0 10px;font-size:24px;color:var(--green);} .cta-band p{color:var(--ink-soft);margin:0 0 18px;}
footer{background:var(--surface-2);border-top:1px solid var(--line);padding:28px 0;font-size:13px;color:var(--ink-faint);text-align:center;}
footer a{color:inherit;text-decoration:none;}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important;}}
/* Accessibility: viền focus rõ khi dùng bàn phím (WCAG) */
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:3px solid var(--coral-strong);outline-offset:2px;border-radius:6px;}
.skip{position:absolute;left:-9999px;top:0;background:var(--coral);color:#3A322A;padding:10px 16px;border-radius:0 0 10px 0;font-weight:700;z-index:999;text-decoration:none;}
.skip:focus{left:0;}
/* Vùng bấm tối thiểu cho di động */
.btn,.chip{min-height:44px;}