/* Bánh Phồng Tôm Quãng Trân Cô Cấm
   Bố cục riêng: hero tràn viền, sản phẩm hàng ngang xen kẽ, timeline ngang.
   Tông sáng: trắng / đỏ tươi / vàng nghệ. Tiêu đề dùng serif. */

:root{
  --red:#E11D18;
  --red-dark:#B8140F;
  --red-deep:#7E0C09;
  --yellow:#FFC814;
  --yellow-soft:#FFF6DA;
  --ink:#1F1512;
  --ink-soft:#6B625C;
  --bg:#FFFFFF;
  --bg-warm:#FFFBF2;
  --line:#EFE3CE;
  --shadow-sm:0 2px 12px rgba(140,80,20,.08);
  --shadow:0 18px 44px rgba(160,60,20,.16);
  --wrap:1240px;
  --serif:'Playfair Display',Georgia,serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.7;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}

h1,h2,h3,.serif{font-family:var(--serif);font-weight:700;letter-spacing:-.4px}

/* ---------- Nút ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:15px 30px;border-radius:6px;font-weight:700;font-size:15px;
  border:2px solid transparent;cursor:pointer;transition:.2s ease;white-space:nowrap;
}
.btn-primary{background:var(--red);color:#fff;box-shadow:0 10px 26px rgba(225,29,24,.34)}
.btn-primary:hover{background:var(--red-dark);transform:translateY(-2px)}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.btn-outline:hover{background:#fff;color:var(--red);border-color:#fff}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--red);color:var(--red)}
.btn-block{width:100%}
.btn-zalo svg{width:28px;height:28px;border-radius:7px;flex:none}

/* ---------- Thanh thông báo trên cùng ---------- */
.topbar{background:var(--red-deep);color:#FFE0DE;font-size:13.5px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;height:40px}
.topbar b{color:#fff}
.topbar a{color:#fff;font-weight:700}
.topbar-note{display:flex;align-items:center;gap:8px}
.topbar svg{width:15px;height:15px;flex:none}

/* ---------- Header ---------- */
header{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(10px);border-bottom:2px solid var(--yellow);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px;gap:20px}
.logo img{height:42px;width:auto}
.nav-links{display:flex;gap:34px;font-size:14.5px;font-weight:600;text-transform:uppercase;letter-spacing:.6px}
.nav-links a{color:var(--ink-soft);padding:4px 0;border-bottom:2px solid transparent;transition:.2s}
.nav-links a:hover{color:var(--red);border-bottom-color:var(--red)}

.hamburger{
  display:none;width:44px;height:44px;border:2px solid var(--line);border-radius:8px;
  background:#fff;cursor:pointer;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:5px
}
.hamburger span{display:block;width:20px;height:2.4px;border-radius:2px;background:var(--red);transition:transform .25s,opacity .2s}
header.nav-open .hamburger span:nth-child(1){transform:translateY(7.4px) rotate(45deg)}
header.nav-open .hamburger span:nth-child(2){opacity:0}
header.nav-open .hamburger span:nth-child(3){transform:translateY(-7.4px) rotate(-45deg)}
.mobile-nav{display:none;border-top:1px solid var(--line);background:#fff;padding:8px 0 16px}
.mobile-nav .wrap{display:flex;flex-direction:column}
.mobile-nav a{padding:14px 4px;font-size:16px;font-weight:600;border-bottom:1px solid var(--line)}
.mobile-nav .mn-cta{
  margin-top:14px;background:var(--red);color:#fff;text-align:center;border-radius:6px;
  padding:15px;font-weight:700;border:none
}

/* ---------- HERO tràn viền, ảnh nền giàn phơi ---------- */
.hero{
  position:relative;min-height:560px;display:grid;place-items:center;
  text-align:center;color:#fff;padding:90px 0 96px;overflow:hidden
}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-bg::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(70,20,8,.62) 0%,rgba(140,25,12,.72) 55%,rgba(190,30,14,.82) 100%)
}
.hero-inner{position:relative;z-index:1;max-width:1080px;padding:0 24px}
.hero .eyebrow{
  display:inline-flex;align-items:center;gap:9px;background:var(--yellow);color:#4A3300;
  padding:8px 20px;border-radius:4px;font-size:12.5px;font-weight:800;
  text-transform:uppercase;letter-spacing:1.6px;margin-bottom:26px
}
.hero .eyebrow svg{width:15px;height:15px}
.hero h1{font-size:clamp(28px,4vw,48px);line-height:1.18;margin-bottom:22px;text-shadow:0 3px 22px rgba(0,0,0,.3);text-wrap:balance}
.hero h1 .nb{white-space:nowrap}
.hero h1 em{font-style:italic;color:var(--yellow)}
.hero p{font-size:17.5px;color:#FFEFE9;max-width:660px;margin:0 auto 34px}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- Dải số liệu ---------- */
.stats{background:var(--yellow);padding:0}
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr)}
.stat{padding:34px 20px;text-align:center;border-right:1px solid rgba(120,80,0,.18)}
.stat:last-child{border-right:none}
.stat b{display:block;font-family:var(--serif);font-size:40px;line-height:1;color:var(--red-deep);margin-bottom:6px}
.stat span{font-size:13.5px;font-weight:600;color:#5C4200;text-transform:uppercase;letter-spacing:1px}

/* ---------- Tiêu đề mục: canh trái, có gạch ---------- */
.sec-head{max-width:720px;margin-bottom:48px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-tag{
  display:inline-block;color:var(--red);font-weight:800;font-size:12px;letter-spacing:2.4px;
  text-transform:uppercase;margin-bottom:14px;padding-bottom:8px;border-bottom:3px solid var(--yellow)
}
h2{font-size:clamp(30px,3.8vw,44px);line-height:1.18;margin-bottom:16px}
.sec-head p{color:var(--ink-soft);font-size:16.5px}
section{padding:92px 0}

/* ---------- Câu chuyện: ảnh tràn nửa trái ---------- */
#cau-chuyen{padding:0;background:var(--bg)}
.story{display:grid;grid-template-columns:1fr 1fr;align-items:stretch}
.story-photo{min-height:520px}
.story-photo img{width:100%;height:100%;object-fit:cover}
.story-text{padding:80px 64px;display:flex;flex-direction:column;justify-content:center}
.story-text h2{margin-bottom:20px}
.story-text p{color:var(--ink-soft);margin-bottom:16px;font-size:16.5px}
.story-list{list-style:none;display:grid;gap:12px;margin-top:10px}
.story-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px}
.story-list svg{width:21px;height:21px;color:var(--red);flex:none;margin-top:4px}

/* ---------- Sản phẩm: hàng ngang xen kẽ ---------- */
#san-pham{background:var(--bg-warm)}
.prod-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:44px 0;border-bottom:1px solid var(--line)
}
.prod-row:last-child{border-bottom:none}
.prod-row:nth-child(even) .prod-photo{order:2}
.prod-photo{position:relative;border-radius:10px;overflow:hidden;box-shadow:var(--shadow);aspect-ratio:4/3}
.prod-photo img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.prod-row:hover .prod-photo img{transform:scale(1.04)}
.pct{
  position:absolute;top:18px;left:18px;background:#fff;border-radius:8px;
  padding:10px 16px;box-shadow:var(--shadow-sm);text-align:center;line-height:1.15
}
.pct b{display:block;font-family:var(--serif);font-size:26px;color:var(--red)}
.pct span{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--ink-soft)}
.badge-best{
  display:inline-block;background:var(--red);color:#fff;font-size:11px;font-weight:800;
  letter-spacing:1.2px;text-transform:uppercase;padding:5px 13px;border-radius:4px;margin-bottom:14px
}
.prod-info h3{font-size:clamp(26px,3vw,34px);margin-bottom:6px}
.prod-box{
  display:inline-block;font-size:13px;font-weight:700;color:var(--ink-soft);
  text-transform:uppercase;letter-spacing:1.2px;margin-bottom:18px
}
.prod-price{display:flex;align-items:baseline;gap:8px;margin-bottom:20px}
.prod-price b{font-family:var(--serif);font-size:44px;color:var(--red);line-height:1}
.prod-price span{font-size:15px;color:var(--ink-soft)}
.prod-list{list-style:none;display:grid;gap:10px;margin-bottom:26px;font-size:15.5px;color:var(--ink-soft)}
.prod-list li{display:flex;gap:11px;align-items:flex-start}
.prod-list li::before{content:'—';color:var(--yellow);font-weight:800;flex:none}
.prod-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- Cách chiên: timeline ngang ---------- */
#che-bien{background:var(--bg)}
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;position:relative;margin-top:14px}
.timeline::before{
  content:'';position:absolute;top:29px;left:12%;right:12%;height:3px;
  background:repeating-linear-gradient(90deg,var(--yellow) 0 12px,transparent 12px 22px);z-index:0
}
.tstep{position:relative;z-index:1;text-align:center;padding:0 10px}
.tnum{
  width:58px;height:58px;border-radius:50%;background:var(--red);color:#fff;
  display:grid;place-items:center;font-family:var(--serif);font-size:24px;
  margin:0 auto 20px;box-shadow:0 0 0 8px #fff,0 8px 20px rgba(225,29,24,.3)
}
.tstep h4{font-family:var(--serif);font-size:20px;margin-bottom:8px}
.tstep p{font-size:15px;color:var(--ink-soft)}
.cook-strip{
  margin-top:56px;border-radius:10px;overflow:hidden;box-shadow:var(--shadow);
  max-height:300px
}
.cook-strip img{width:100%;height:100%;object-fit:cover}

/* ---------- Liên hệ: nền sáng, canh giữa ---------- */
#lien-he{background:var(--bg-warm);border-top:1px solid var(--line)}
.contact-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:44px}
.ch{
  display:flex;align-items:center;gap:13px;background:#fff;border:2px solid var(--line);
  border-radius:10px;padding:18px 20px;min-width:0;transition:.22s ease
}
.ch:hover{border-color:var(--red);transform:translateY(-4px);box-shadow:var(--shadow)}
.ch-icon{width:46px;height:46px;border-radius:10px;display:grid;place-items:center;flex:none;background:var(--yellow-soft)}
.ch-icon svg{width:24px;height:24px;color:var(--red)}
.ch-icon.logo{background:none;border-radius:0}
.ch-icon.logo svg{width:46px;height:46px}
.ch b{display:block;font-size:15px;font-weight:800}
.ch>span:last-child{min-width:0}
.ch>span:last-child>span{display:block;font-size:14px;color:var(--ink-soft);word-break:break-word}
.mail-txt{font-size:13px !important;word-break:normal !important;overflow-wrap:break-word}
.addr-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:900px;margin:0 auto}
.addr{background:#fff;border:2px solid var(--line);border-radius:10px;padding:26px;text-align:center}
.addr h4{font-size:12.5px;text-transform:uppercase;letter-spacing:1.5px;color:var(--red);margin-bottom:10px;font-weight:800}
.addr p{font-size:15.5px;margin-bottom:6px;color:var(--ink-soft)}
.addr a{font-weight:800;color:var(--ink)}
.addr a:hover{color:var(--red)}

/* ---------- Footer ---------- */
footer{background:var(--red-deep);color:#F2C4C1;padding:34px 0;font-size:14px;text-align:center}
footer b{color:#fff}

/* ---------- Nút nổi: góc TRÁI dưới ---------- */
.contact-fab{
  position:fixed;left:20px;bottom:24px;z-index:300;
  display:flex;flex-direction:column;align-items:flex-start;gap:14px
}
.cf{position:relative;display:flex;align-items:center}
.cf-btn{
  position:relative;z-index:3;width:52px;height:52px;border-radius:50%;flex:none;background:#fff;
  display:grid;place-items:center;box-shadow:0 6px 18px rgba(0,0,0,.24);transition:transform .2s ease
}
.cf-btn svg{width:52px;height:52px}
.cf-zalo .cf-btn{background:#0068FF}
.cf-mess .cf-btn svg{width:32px;height:32px}
.cf:hover .cf-btn{transform:scale(1.08)}
.cf-ring{
  position:absolute;left:0;top:50%;width:52px;height:52px;margin-top:-26px;border-radius:50%;
  z-index:1;animation:cfPulse 2s cubic-bezier(.3,0,.4,1) infinite
}
.ring-mess{background:rgba(154,51,255,.5)}
.ring-zalo{background:rgba(0,104,255,.45)}
.ring-phone{background:rgba(225,29,24,.5)}
@keyframes cfPulse{0%{transform:scale(1);opacity:.65}70%{transform:scale(1.6);opacity:0}100%{transform:scale(1.6);opacity:0}}
.cf-phone .cf-btn{background:var(--red);color:#fff}
.cf-phone .cf-btn svg{width:24px;height:24px}
.cf-num{
  position:relative;z-index:2;background:var(--red);color:#fff;font-weight:800;font-size:15px;
  padding:9px 18px 9px 36px;margin-left:-28px;border-radius:0 999px 999px 0;white-space:nowrap;
  box-shadow:0 6px 18px rgba(0,0,0,.18)
}
@media (prefers-reduced-motion:reduce){.cf-ring{animation:none;opacity:.35}}

/* ---------- Thanh đáy mobile ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:300;
  background:#fff;border-top:2px solid var(--yellow);
  box-shadow:0 -4px 20px rgba(150,70,20,.14);padding-bottom:env(safe-area-inset-bottom)
}
.mobile-bar a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  padding:8px 4px 9px;font-size:11.5px;font-weight:700;color:var(--ink-soft);border-right:1px solid var(--line)
}
.mobile-bar a:last-child{border-right:none}
.mobile-bar a:active{background:var(--yellow-soft)}
.mb-icon{width:30px;height:30px;display:grid;place-items:center;border-radius:50%}
.mb-icon svg{width:30px;height:30px}
.mb-mess .mb-icon svg{width:27px;height:27px}
.mb-phone .mb-icon{background:var(--red);color:#fff}
.mb-phone .mb-icon svg{width:16px;height:16px}
.mb-phone{color:var(--red)}

/* ---------- Responsive ---------- */
@media (max-width:1000px){
  .nav-links{display:none}
  .hamburger{display:flex}
  header.nav-open .mobile-nav{display:block}
  .story{grid-template-columns:1fr}
  .story-photo{min-height:320px}
  .story-text{padding:56px 24px}
  .prod-row{grid-template-columns:1fr;gap:28px;padding:36px 0}
  .prod-row:nth-child(even) .prod-photo{order:0}
  .timeline{grid-template-columns:1fr;gap:32px}
  .timeline::before{display:none}
  .addr-grid{grid-template-columns:1fr}
  .contact-row{grid-template-columns:repeat(2,1fr)}
  section{padding:64px 0}
  .contact-fab{display:none}
  .mobile-bar{display:flex}
  body{padding-bottom:78px}
  .hero{min-height:480px;padding:70px 0 76px}
  .logo img{height:36px}
  .nav{height:66px}
}

@media (max-width:640px){
  .topbar-note span{display:none}
  .stats-grid{grid-template-columns:1fr}
  .stat{border-right:none;border-bottom:1px solid rgba(120,80,0,.18);padding:22px 20px}
  .stat:last-child{border-bottom:none}
  .stat b{font-size:34px}
  section{padding:52px 0}
  .wrap{padding:0 18px}
  .sec-head{margin-bottom:32px}
  .hero{min-height:430px;padding:56px 0 62px}
  .hero p{font-size:16px}
  .hero-actions .btn{flex:1}
  .prod-price b{font-size:36px}
  .contact-row{grid-template-columns:1fr}
  .ch{padding:15px 18px}
  .cook-strip{max-height:200px}
  .story-text{padding:44px 18px}
}