/* ==========================================================================
   YUNZHI FISHING — site stylesheet
   Palette: deep navy + white (aligned with the printed product catalogue)
   ========================================================================== */

:root{
  --navy-900:#061527;
  --navy-800:#0a2340;
  --navy-700:#12355b;
  --navy-600:#1b4a7a;
  --navy-500:#2a6ba5;
  --accent:#0f9ed6;
  --accent-dark:#0b7fae;
  --amber:#e8960c;

  --ink:#0d1b2a;
  --body:#4a5f75;
  --muted:#7d90a4;
  --line:#dce5ef;
  --line-soft:#eef3f8;
  --bg-soft:#f5f8fc;
  --white:#ffffff;

  --radius-s:6px;
  --radius:10px;
  --radius-l:16px;
  --shadow-s:0 1px 2px rgba(10,35,64,.06), 0 2px 8px rgba(10,35,64,.05);
  --shadow:0 4px 14px rgba(10,35,64,.08), 0 12px 34px rgba(10,35,64,.06);
  --shadow-l:0 18px 50px rgba(10,35,64,.14);

  --wrap:1180px;
  --font:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;overflow-x:clip}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.65;
  color:var(--body);
  background:var(--white);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--navy-600);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4{color:var(--ink);line-height:1.25;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(1.9rem,4vw,3rem)}
h2{font-size:clamp(1.5rem,2.6vw,2.1rem)}
h3{font-size:1.15rem}
p{margin:0 0 1em}
ul{margin:0 0 1em;padding-left:1.15em}
li{margin:.3em 0}
hr{border:0;border-top:1px solid var(--line);margin:2.5rem 0}

.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 22px}
.narrow{max-width:820px}
.center{text-align:center}
.section{padding:74px 0}
.section--soft{background:var(--bg-soft)}
.section--navy{background:linear-gradient(160deg,var(--navy-900),var(--navy-700) 70%,var(--navy-600));color:#c9dbec}
.section--navy h1,.section--navy h2,.section--navy h3{color:#fff}
.eyebrow{
  display:inline-block;font-size:.74rem;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--accent);margin-bottom:.7rem
}
.section--navy .eyebrow{color:#6fd0f5}
.lead{font-size:1.06rem;color:var(--body);max-width:62ch}
.section--navy .lead{color:#a9c2d8}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5em;
  padding:12px 22px;border-radius:var(--radius-s);border:1.5px solid transparent;
  font-weight:600;font-size:.94rem;cursor:pointer;
  transition:transform .15s ease,background .18s ease,box-shadow .18s ease,color .18s ease;
  white-space:nowrap
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(15,158,214,.28)}
.btn-primary:hover{background:var(--accent-dark);color:#fff}
.btn-navy{background:var(--navy-700);color:#fff}
.btn-navy:hover{background:var(--navy-800);color:#fff}
.btn-outline{border-color:rgba(255,255,255,.45);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}
.btn-ghost{border-color:var(--line);color:var(--navy-700);background:#fff}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);background:#fff}
.btn-sm{padding:9px 16px;font-size:.86rem}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease
}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(10,35,64,.09)}
.header-inner{display:flex;align-items:center;gap:26px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand img{width:38px;height:38px}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-name{font-weight:800;color:var(--navy-800);letter-spacing:.02em;font-size:1.06rem}
.brand-sub{font-size:.63rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}

.nav{margin-left:auto;display:flex;align-items:center;gap:2px}
.nav a{
  padding:9px 12px;border-radius:6px;font-size:.9rem;font-weight:600;color:var(--navy-700)
}
.nav a:hover{background:var(--bg-soft);color:var(--accent)}
.nav a.is-active{color:var(--accent)}
.nav .nav-cta{margin-left:10px}
.nav-toggle{
  margin-left:auto;display:none;background:none;border:1px solid var(--line);
  border-radius:8px;padding:8px 10px;cursor:pointer
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--navy-700);margin:4px 0;border-radius:2px}

@media(max-width:1000px){
  .nav{
    position:fixed;inset:70px 0 0 auto;width:min(310px,84vw);
    background:#fff;border-left:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;padding:14px 16px 40px;
    display:none;overflow-y:auto;margin-left:0;
    box-shadow:-12px 0 34px rgba(10,35,64,.1)
  }
  .nav.is-open{display:flex;animation:navIn .22s ease}
  @keyframes navIn{from{transform:translateX(26px);opacity:0}to{transform:none;opacity:1}}
  .nav a{padding:13px 10px;border-bottom:1px solid var(--line-soft)}
  .nav .nav-cta{margin:14px 0 0}
  .nav-toggle{display:block}
}

/* ---------- hero ---------- */
.hero{
  position:relative;color:#d6e5f2;
  background:
    radial-gradient(1100px 520px at 78% -10%,rgba(15,158,214,.30),transparent 62%),
    linear-gradient(155deg,var(--navy-900) 0%,var(--navy-800) 45%,var(--navy-600) 100%);
  overflow:hidden
}
.hero::after{
  content:"";position:absolute;inset:auto -10% -55% 40%;height:520px;
  background:radial-gradient(closest-side,rgba(15,158,214,.16),transparent);
  pointer-events:none
}
.hero-inner{padding:88px 0 76px;display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center}
.hero h1{color:#fff;margin-bottom:.4em}
.hero h1 em{font-style:normal;color:#6fd0f5}
.hero .lead{font-size:1.12rem;color:#aec7dc;margin-bottom:1.7em}
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;margin-top:34px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16)}
@media(max-width:560px){.hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}}
.hero-stat b{display:block;font-size:1.5rem;color:#fff;line-height:1.2}
.hero-stat span{font-size:.79rem;letter-spacing:.05em;color:#8fadc6;text-transform:uppercase}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;border-radius:var(--radius-l);background:#fff;
  box-shadow:0 26px 60px rgba(0,0,0,.36)
}
.hero-visual .hero-tag{
  position:absolute;left:-14px;bottom:22px;background:#fff;color:var(--navy-800);
  padding:11px 16px;border-radius:var(--radius);box-shadow:var(--shadow);font-size:.84rem;font-weight:700
}
.hero-visual .hero-tag span{display:block;font-weight:500;color:var(--muted);font-size:.75rem}
@media(max-width:900px){
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:60px 0 56px}
  .hero-visual{order:-1}
}

/* ---------- trust strip ---------- */
.trust{border-bottom:1px solid var(--line);background:#fff}
.trust-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line)}
.trust-item{background:#fff;padding:22px 20px;display:flex;gap:12px;align-items:flex-start}
.trust-item svg{flex:0 0 auto;margin-top:2px}
.trust-item b{display:block;color:var(--ink);font-size:.95rem}
.trust-item span{font-size:.84rem;color:var(--muted)}
@media(max-width:860px){.trust-inner{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.trust-inner{grid-template-columns:1fr}}

/* ---------- section head ---------- */
.sec-head{max-width:64ch;margin-bottom:36px}
.sec-head.center{margin-left:auto;margin-right:auto}
.sec-head p{margin-bottom:0}

/* ---------- cards & grids ---------- */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
@media(max-width:1000px){.grid-4{grid-template-columns:repeat(3,1fr)}}
@media(max-width:820px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

.series-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-s);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease
}
.series-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#c6d7e8}
.series-card .ph{background:var(--bg-soft);padding:24px;display:flex;align-items:center;justify-content:center}
.series-card .ph img{max-height:190px;width:auto;mix-blend-mode:multiply}
.series-card .bd{padding:22px 22px 24px}
.series-card h3{margin-bottom:.35em}
.series-card p{font-size:.9rem;margin-bottom:1.1em}
.series-card .count{font-size:.78rem;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;display:block;margin-bottom:.6em}
.series-card .more{margin-top:auto;font-weight:600;font-size:.9rem}

/* product card */
.p-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-s);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;height:100%
}
.p-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#c6d7e8}
.p-card .thumb{
  position:relative;background:#fff;border-bottom:1px solid var(--line-soft);
  aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;padding:14px
}
.p-card .thumb img{max-height:100%;width:auto;object-fit:contain}
.p-card .bd{padding:16px 18px 20px;display:flex;flex-direction:column;flex:1}
.p-card h3{font-size:.98rem;margin-bottom:.5em;line-height:1.35}
.p-card .facts{list-style:none;padding:0;margin:0 0 1em;font-size:.82rem;color:var(--muted)}
.p-card .facts li{display:flex;justify-content:space-between;gap:10px;border-bottom:1px dashed var(--line);padding:4px 0;margin:0}
.p-card .facts b{color:var(--body);font-weight:600}
.p-card .more{margin-top:auto;font-weight:600;font-size:.88rem}

.badge{
  display:inline-block;font-size:.68rem;font-weight:800;letter-spacing:.1em;
  text-transform:uppercase;padding:4px 9px;border-radius:4px
}
.badge-new{background:var(--amber);color:#fff}
.badge-salt{background:var(--navy-600);color:#fff}
.badge-ice{background:#2b6f9e;color:#fff}
.badge-pro{background:var(--accent);color:#fff}
.badge-cat{background:var(--line-soft);color:var(--navy-600)}
.p-card .badges{position:absolute;top:10px;left:10px;display:flex;gap:6px;z-index:2}

.img-fallback{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  width:100%;height:100%;color:#9fb2c4;font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;text-align:center
}

/* ---------- breadcrumb ---------- */
.crumb{padding:18px 0;font-size:.85rem;color:var(--muted);border-bottom:1px solid var(--line)}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--accent)}
.crumb span{margin:0 7px;opacity:.6}

/* ---------- product detail ---------- */
.pd{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
@media(max-width:900px){.pd{grid-template-columns:1fr;gap:32px}}
.pd-gallery{position:sticky;top:96px}
.pd-main{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
  aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;padding:28px
}
.pd-main img{max-height:100%;width:auto;object-fit:contain}
.pd-thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.pd-thumbs img{
  width:70px;height:70px;object-fit:contain;border:1px solid var(--line);
  border-radius:8px;padding:6px;background:#fff;cursor:pointer
}
.pd h1{font-size:clamp(1.5rem,2.6vw,2.05rem);margin-bottom:.35em}
.pd .kicker{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:.7em}
.pd .chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 1.4em}
.chip{background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;padding:6px 13px;font-size:.82rem;color:var(--navy-700)}
.chip b{color:var(--ink)}

.feat{list-style:none;padding:0;margin:0 0 1.6em;display:grid;gap:9px}
.feat li{display:flex;gap:11px;align-items:flex-start;font-size:.94rem}
.feat li::before{
  content:"";flex:0 0 auto;width:17px;height:17px;margin-top:4px;border-radius:50%;
  background:var(--accent) url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/11px no-repeat
}
.pd-cta{
  background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;margin-bottom:24px
}
.pd-cta b{display:block;color:var(--ink);margin-bottom:.3em}
.pd-cta p{font-size:.88rem;margin-bottom:1em}

/* specs table */
.spec-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
table.spec{border-collapse:collapse;width:100%;font-size:.86rem;min-width:520px}
table.spec th,table.spec td{padding:10px 12px;border-bottom:1px solid var(--line-soft);text-align:left;white-space:nowrap}
table.spec thead th{background:var(--navy-700);color:#fff;font-weight:600;font-size:.8rem;letter-spacing:.02em;border-bottom:1px solid var(--navy-700)}
table.spec thead th.sub{background:var(--navy-600);font-size:.76rem;font-weight:500}
table.spec tbody tr:nth-child(even){background:#fafcfe}
table.spec tbody tr:hover{background:var(--bg-soft)}
table.spec td:first-child{font-weight:600;color:var(--ink)}
table.spec tr.sect td{
  background:var(--bg-soft);font-weight:700;color:var(--navy-700);
  letter-spacing:.06em;font-size:.76rem;text-transform:uppercase
}
.spec-note{font-size:.82rem;color:var(--muted);margin-top:10px}

/* ---------- split feature block ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
@media(max-width:900px){.split{grid-template-columns:1fr;gap:32px}}
.split img{border-radius:var(--radius-l);box-shadow:var(--shadow)}
.cap-list{list-style:none;padding:0;margin:0;display:grid;gap:18px}
.cap-list li{display:flex;gap:14px}
.cap-list .ico{
  flex:0 0 auto;width:38px;height:38px;border-radius:9px;background:var(--bg-soft);
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center
}
.cap-list b{display:block;color:var(--ink)}
.cap-list span{font-size:.88rem}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stats .s b{display:block;font-size:2rem;color:var(--accent);line-height:1.15}
.stats .s span{font-size:.84rem;color:inherit;opacity:.85}
@media(max-width:640px){.stats{grid-template-columns:repeat(2,1fr)}}
.stats.six{grid-template-columns:repeat(3,1fr)}
.stats.six .s{padding:14px 10px;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius)}
.stats.six .s b{font-size:1.7rem;color:var(--navy-700)}
.stats.six .s span{color:var(--muted);opacity:1;font-size:.82rem}
@media(max-width:900px){.stats.six{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.stats.six{grid-template-columns:1fr}}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:st}
.steps .st{position:relative;padding-top:52px}
.steps .st::before{
  counter-increment:st;content:counter(st,decimal-leading-zero);
  position:absolute;top:0;left:0;font-size:1.3rem;font-weight:800;color:#fff;
  background:var(--navy-700);width:40px;height:40px;border-radius:10px;
  display:flex;align-items:center;justify-content:center
}
.steps .st b{display:block;color:var(--ink)}
.steps .st span{font-size:.88rem}
@media(max-width:820px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.steps{grid-template-columns:1fr}}

/* ---------- forms ---------- */
.form{display:grid;gap:16px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:640px){.form-row{grid-template-columns:1fr}}
.field label{display:block;font-size:.83rem;font-weight:600;color:var(--ink);margin-bottom:6px}
.field .req{color:#c0392b}
.field input,.field select,.field textarea{
  width:100%;padding:11px 13px;border:1.5px solid var(--line);border-radius:var(--radius-s);
  font:inherit;font-size:.92rem;color:var(--ink);background:#fff;transition:border-color .16s ease,box-shadow .16s ease
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:0;border-color:var(--accent);box-shadow:0 0 0 3px rgba(15,158,214,.14)
}
.field textarea{min-height:118px;resize:vertical}
.hp{position:absolute!important;left:-9999px!important;opacity:0}
.form-note{font-size:.79rem;color:var(--muted);margin:0}
.form-msg{padding:12px 14px;border-radius:var(--radius-s);font-size:.9rem;display:none}
.form-msg.ok{display:block;background:#e8f7ee;border:1px solid #b6e2c8;color:#1c6b3d}
.form-msg.err{display:block;background:#fdeceb;border:1px solid #f3c2be;color:#a33227}

/* contact cards */
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-s)}
.info-card b{display:block;color:var(--ink);margin-bottom:.5em;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase}
.info-card a{font-weight:600;display:block;margin-bottom:.3em}
.info-card p{margin:0;font-size:.9rem}
.info-card--wa{border-color:#b7e7c9;background:#f4fbf6}
.info-card--wa a{color:#128a48}

/* FAQ */
.faq-item{border-bottom:1px solid var(--line);padding:26px 0}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{display:flex;gap:14px;align-items:baseline;font-size:1.08rem;margin:0 0 .6em;color:var(--navy-800)}
.faq-q span{flex:0 0 auto;font-size:.8rem;color:var(--accent);font-weight:800;letter-spacing:.06em}
.faq-a{font-size:.96rem}
.faq-a b{color:var(--ink)}

/* technical note */
.art-cta{
  background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:26px 28px;margin-top:2.4rem
}
.art-cta b{display:block;color:var(--ink);margin-bottom:.4em;font-size:1.05rem}
.art-cta p{font-size:.92rem}
article .spec-wrap{margin:.6em 0 1.4em}
article .spec-wrap table.spec{min-width:420px}
article h2{margin-top:1.9em}
article h2:first-of-type{margin-top:1.2em}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(140deg,var(--navy-800),var(--navy-600));color:#c9dbec;
  border-radius:var(--radius-l);padding:44px 40px;display:flex;flex-wrap:wrap;
  gap:26px;align-items:center;justify-content:space-between
}
.cta-band h2{color:#fff;margin-bottom:.3em}
.cta-band p{margin:0;max-width:52ch;font-size:.95rem;color:#a9c2d8}
@media(max-width:640px){.cta-band{padding:32px 24px}}

/* ---------- footer ---------- */
.site-footer{background:var(--navy-900);color:#93aec6;font-size:.9rem;padding:58px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px}
.site-footer h4{color:#fff;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:1.1em}
.site-footer a{color:#a9c2d8}
.site-footer a:hover{color:#6fd0f5}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin:.5em 0}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:1em}
.footer-brand .brand-name{color:#fff}
.footer-brand .brand-sub{color:#6f8aa5}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:.82rem;color:#6f8aa5
}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr}}

/* floating whatsapp */
.wa-float{
  position:fixed;right:20px;bottom:20px;z-index:70;width:52px;height:52px;border-radius:50%;
  background:#25d366;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 26px rgba(37,211,102,.42);transition:transform .18s ease
}
.wa-float:hover{transform:scale(1.06)}
.wa-float svg{width:27px;height:27px;fill:#fff}

/* utils */
.mt0{margin-top:0}.mb0{margin-bottom:0}
.mt2{margin-top:2rem}.mt3{margin-top:3rem}
.small{font-size:.85rem;color:var(--muted)}
.notice{
  background:#fff8e6;border:1px solid #f0dca6;color:#8a6100;border-radius:var(--radius);
  padding:14px 18px;font-size:.87rem;margin:0 0 1.5rem
}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;z-index:99;background:#fff;padding:10px 16px;border-radius:6px}