/* ============================================================
   HẢI SẢN THÁI BÌNH — design tokens
   Nền trắng theo yêu cầu; điểm nhấn xanh biển sâu + cam san hô,
   gợi màu tôm luộc chín và nắng sớm trên bến cá.
   ============================================================ */
:root{
  --bg:#FFFFFF;
  --bg-soft:#F5F8F7;
  --bg-soft-2:#EFF4F3;
  --ink:#0F2429;
  --ink-soft:#4C6167;
  --ink-faint:#7C8E92;
  --ocean:#0E4B5C;
  --ocean-deep:#082F3A;
  --coral:#E4572E;
  --coral-dark:#C4431E;
  --coral-soft:#FCE7DE;
  --line:#E4E9E8;
  --line-strong:#CFD9D8;

  --font-display:"Fraunces", Georgia, serif;
  --font-body:"Inter", -apple-system, "Segoe UI", sans-serif;
  --font-mono:"IBM Plex Mono", ui-monospace, Menlo, monospace;

  --radius:14px;
  --radius-sm:8px;
  --shadow-soft: 0 12px 30px -18px rgba(8,47,58,0.35);
  --shadow-card: 0 10px 24px -16px rgba(8,47,58,0.28);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3{font-family:var(--font-display);color:var(--ocean-deep);margin:0;font-weight:600;}
p{margin:0;}
ul{list-style:none;margin:0;padding:0;}

.wrap{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 24px;
}

.skip-link{
  position:absolute;left:-999px;top:auto;
  background:var(--ocean-deep);color:#fff;padding:12px 18px;border-radius:0 0 8px 0;
  z-index:200;
}
.skip-link:focus{left:0;top:0;}

.eyebrow{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:0.14em;
  text-transform:uppercase;
  color:var(--coral-dark);
  margin:0 0 12px;
  font-weight:600;
}
.eyebrow-light{color:#FFD9C7;}

/* ---------------- buttons ---------------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:13px 24px;
  border-radius:999px;
  font-weight:600;
  font-size:15px;
  border:1.5px solid transparent;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);}
.btn-coral{background:var(--coral);color:#fff;box-shadow:var(--shadow-soft);}
.btn-coral:hover{background:var(--coral-dark);}
.btn-outline{border-color:var(--ocean);color:var(--ocean-deep);}
.btn-outline:hover{background:var(--ocean-deep);color:#fff;border-color:var(--ocean-deep);}
.btn-zalo{background:var(--ocean-deep);color:#fff;padding:11px 20px;font-size:14px;}
.btn-zalo:hover{background:var(--ocean);}

/* ---------------- header ---------------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,0.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 24px;
  gap:20px;
}
.brand{display:flex;align-items:center;gap:10px;}
.brand-mark{color:var(--coral);display:flex;}
.brand-name{
  font-family:var(--font-display);
  font-weight:700;
  font-size:15.5px;
  line-height:1.15;
  letter-spacing:0.01em;
  color:var(--ocean-deep);
}
.brand-name.small{font-size:16px;}
.main-nav{display:flex;gap:28px;font-size:14.5px;font-weight:600;color:var(--ink-soft);}
.main-nav a:hover{color:var(--coral-dark);}

/* ---------------- hero ---------------- */
.hero{
  position:relative;
  background:
    radial-gradient(700px 320px at 88% -10%, var(--coral-soft) 0%, rgba(252,231,222,0) 65%),
    var(--bg);
  padding:76px 0 0;
  overflow:hidden;
}
.hero-inner{
  max-width:760px;
  padding-bottom:70px;
}
.hero-title{
  font-size:clamp(34px, 5.4vw, 56px);
  line-height:1.08;
  letter-spacing:-0.01em;
  color:var(--ocean-deep);
}
.hero-title em{
  font-style:italic;
  color:var(--coral);
}
.hero-sub{
  margin-top:22px;
  max-width:540px;
  font-size:17.5px;
  color:var(--ink-soft);
}
.hero-actions{
  margin-top:32px;
  display:flex;flex-wrap:wrap;gap:14px;
}
.hero-stats{
  margin-top:52px;
  display:flex;gap:40px;
  padding-top:26px;
  border-top:1px solid var(--line);
  max-width:520px;
}
.hero-stats li{display:flex;flex-direction:column;gap:4px;}
.hero-stats strong{font-family:var(--font-display);font-size:26px;color:var(--ocean-deep);}
.hero-stats span{font-size:13px;color:var(--ink-faint);}

.wave-divider{line-height:0;color:var(--bg-soft);}
.wave-divider svg{width:100%;height:44px;display:block;}
.wave-divider path{fill:currentColor;}

/* ---------------- ticker ---------------- */
.ticker{
  background:var(--ocean-deep);
  overflow:hidden;
  padding:13px 0;
}
.ticker-track{
  display:flex;
  gap:14px;
  white-space:nowrap;
  width:max-content;
  animation:scroll-left 30s linear infinite;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:0.1em;
  color:#CFEAE0;
}
.ticker-track .dot{color:var(--coral);}
@keyframes scroll-left{
  from{transform:translateX(0);}
  to{transform:translateX(-50%);}
}
@media (prefers-reduced-motion: reduce){
  .ticker-track{animation:none;}
}

/* ---------------- products ---------------- */
.products{
  background:var(--bg-soft);
  padding:84px 0 76px;
}
.section-head{max-width:640px;margin:0 0 44px;}
.section-head h2{font-size:clamp(26px,3.4vw,36px);margin-top:6px;}
.section-note{margin-top:14px;color:var(--ink-soft);font-size:15.5px;}

.product-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(260px, 1fr));
  gap:26px;
}
.product-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .22s ease, box-shadow .22s ease;
  display:flex;
  flex-direction:column;
}
.product-card:hover{
  transform:translateY(-5px);
  box-shadow:0 20px 34px -18px rgba(8,47,58,0.35);
}
.product-media{
  position:relative;
  aspect-ratio:4/3;
  overflow:hidden;
  background:var(--bg-soft-2);
}
.product-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.product-card:hover .product-media img{transform:scale(1.05);}

.price-row{
  display:flex;
  align-items:baseline;
  gap:6px;
  margin-top:2px;
}
.price-list{
  display:flex;
  flex-direction:column;
  gap:3px;
  margin-top:2px;
}
.price-list .price-row{margin-top:0;}
.price-list .price-amount{font-size:16px;}
.price-amount{
  font-family:var(--font-mono);
  font-weight:600;
  font-size:18px;
  color:var(--coral-dark);
}
.price-unit{
  font-family:var(--font-mono);
  font-size:12.5px;
  color:var(--ink-faint);
}

.product-body{
  padding:26px 20px 22px;
  display:flex;
  flex-direction:column;
  gap:8px;
  flex:1;
}
.product-body h3{font-size:19px;}
.product-body p{color:var(--ink-soft);font-size:14.5px;line-height:1.55;}

.price-disclaimer{
  margin-top:36px;
  font-size:13px;
  color:var(--ink-faint);
  border-top:1px dashed var(--line-strong);
  padding-top:20px;
}

/* ---------------- story ---------------- */
.story{padding:84px 0;background:var(--bg);}
.story-copy{max-width:760px;}
.story-copy h2{font-size:clamp(24px,3vw,32px);margin-top:6px;max-width:520px;}
.story-points{
  margin-top:40px;
  display:grid;
  gap:28px;
}
.story-point{
  display:flex;
  gap:20px;
  padding-bottom:26px;
  border-bottom:1px solid var(--line);
}
.story-point:last-child{border-bottom:none;padding-bottom:0;}
.story-num{
  font-family:var(--font-mono);
  color:var(--coral);
  font-weight:600;
  font-size:14px;
  min-width:28px;
  padding-top:3px;
}
.story-point h3{font-size:17.5px;margin-bottom:6px;}
.story-point p{color:var(--ink-soft);font-size:15px;}

/* ---------------- cta band ---------------- */
.cta-band{
  background:linear-gradient(135deg, var(--ocean-deep), var(--ocean) 65%);
  color:#fff;
  padding:76px 0;
}
.cta-inner{
  display:grid;
  grid-template-columns:1.2fr 0.9fr;
  gap:48px;
  align-items:center;
}
.cta-copy h2{color:#fff;font-size:clamp(24px,3.2vw,34px);margin-top:8px;max-width:440px;}
.cta-copy p{margin-top:16px;color:#CFE3E0;max-width:420px;font-size:15.5px;}

.contact-card{
  background:#fff;
  color:var(--ink);
  border-radius:var(--radius);
  padding:30px 28px;
  box-shadow:0 24px 48px -20px rgba(0,0,0,0.4);
}
.contact-label{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:0.1em;
  text-transform:uppercase;
  color:var(--ink-faint);
}
.contact-name{
  font-family:var(--font-display);
  font-size:23px;
  color:var(--ocean-deep);
  margin-top:8px;
}
.contact-phone{
  margin-top:14px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--ocean);
  font-weight:600;
  font-size:15px;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
  width:100%;
}
.contact-phone:hover{color:var(--coral-dark);}
.contact-btn{width:100%;justify-content:center;margin-top:18px;}

/* ---------------- footer ---------------- */
.site-footer{background:var(--ocean-deep);color:#CFE3E0;padding:52px 0 0;}
.footer-inner{
  display:flex;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
  padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,0.12);
}
.footer-brand p{margin-top:10px;max-width:320px;font-size:14px;color:#9FC4BE;}
.footer-contact p{font-size:14px;margin-bottom:6px;}
.footer-contact a:hover{color:#fff;}
.footer-bottom{padding:20px 24px;font-size:12.5px;color:#7FA79F;}

/* ---------------- floating zalo ---------------- */
.floating-zalo{
  position:fixed;
  right:22px;
  bottom:22px;
  z-index:150;
  display:flex;
  align-items:center;
  gap:8px;
  background:var(--coral);
  color:#fff;
  padding:13px 18px;
  border-radius:999px;
  font-weight:600;
  font-size:14px;
  box-shadow:0 14px 28px -12px rgba(196,67,30,0.6);
  transition:transform .18s ease;
}
.floating-zalo:hover{transform:translateY(-3px);background:var(--coral-dark);}

/* ---------------- responsive ---------------- */
@media (max-width:860px){
  .cta-inner{grid-template-columns:1fr;}
  .header-cta{display:none;}
}
@media (max-width:640px){
  .main-nav{display:none;}
  .hero{padding-top:56px;}
  .hero-stats{gap:26px;}
  .products{padding:60px 0;}
  .story{padding:60px 0;}
  .cta-band{padding:56px 0;}
  .floating-zalo span{display:none;}
  .floating-zalo{padding:14px;}
}

/* focus visibility */
a:focus-visible, button:focus-visible{
  outline:2.5px solid var(--coral);
  outline-offset:2px;
}