/* =========================================================
   drybagmanufacturer.com — responsive stylesheet
   Breakpoints: 980px / 768px / 560px (per Junyuan site spec)
   ========================================================= */

:root{
  --ink:#0f172a;
  --ink-soft:#334155;
  --muted:#64748b;
  --line:#e2e8f0;
  --bg:#ffffff;
  --bg-soft:#f8fafc;
  --accent:#0e7490;      /* deep marine teal */
  --accent-dark:#155e75;
  --cta:#eab308;         /* high-vis amber */
  --cta-ink:#1e293b;
  --ok:#15803d;
  --warn:#b45309;
  --radius:12px;
  --shadow:0 1px 3px rgba(15,23,42,.08),0 8px 24px rgba(15,23,42,.06);
  --maxw:1120px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  font-size:16px;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.2;color:var(--ink);margin:0 0 .6em;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(1.8rem,4.5vw,2.6rem)}
h2{font-size:clamp(1.4rem,3vw,1.9rem);margin-top:1.6em}
h3{font-size:clamp(1.1rem,2.2vw,1.35rem);margin-top:1.4em}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.1em;padding-left:1.4em}
li{margin-bottom:.35em}
code{background:var(--bg-soft);border:1px solid var(--line);border-radius:5px;padding:.1em .4em;font-size:.9em}
hr{border:0;border-top:1px solid var(--line);margin:2em 0}

.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.94);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);font-size:1.02rem;letter-spacing:-.01em}
.brand .mark{width:34px;height:34px;border-radius:8px;background:linear-gradient(135deg,var(--accent),#22d3ee);display:grid;place-items:center;color:#fff;font-weight:900;font-size:1rem;flex:0 0 auto}
.nav{display:flex;gap:2px;flex-wrap:wrap;align-items:center}
.nav a{padding:8px 11px;border-radius:8px;color:var(--ink-soft);font-weight:600;font-size:.92rem;white-space:nowrap}
.nav a:hover{background:var(--bg-soft);color:var(--accent);text-decoration:none}
.nav a.cta-nav{background:var(--cta);color:var(--cta-ink);font-weight:800}
.nav a.cta-nav:hover{background:#facc15}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 12px;font-size:1.1rem;cursor:pointer}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(180deg,#ecfeff 0%,#ffffff 70%);border-bottom:1px solid var(--line)}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;padding:56px 0 48px}
.hero-kicker{display:inline-block;background:#cffafe;color:var(--accent-dark);border:1px solid #a5f3fc;padding:4px 12px;border-radius:999px;font-size:.8rem;font-weight:700;margin-bottom:14px;letter-spacing:.02em}
.hero h1{font-size:clamp(2rem,5vw,3rem);margin-bottom:.3em}
.hero .lede{font-size:1.12rem;color:var(--ink-soft);max-width:56ch}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.hero-fig{position:relative}
.hero-fig img{border-radius:var(--radius);box-shadow:var(--shadow)}

/* ---------- Buttons ---------- */
.btn{display:inline-block;padding:12px 20px;border-radius:10px;font-weight:800;font-size:.95rem;transition:.15s;border:1px solid transparent}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--cta);color:var(--cta-ink)}
.btn-primary:hover{background:#facc15}
.btn-ghost{background:#fff;color:var(--accent);border-color:var(--accent)}
.btn-ghost:hover{background:var(--bg-soft)}

/* ---------- Sections ---------- */
.section{padding:44px 0}
.section.alt{background:var(--bg-soft)}
.section-head{max-width:760px;margin-bottom:26px}
.section-head .eyebrow{color:var(--accent);font-weight:800;font-size:.8rem;text-transform:uppercase;letter-spacing:.08em}
.grid{display:grid;gap:20px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.card h3{margin-top:0}
.card .num{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:10px;background:#ecfeff;color:var(--accent-dark);font-weight:900;margin-bottom:12px}

/* ---------- Trust / stats ---------- */
.stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.stat{background:#fff;padding:22px;text-align:center}
.stat b{display:block;font-size:clamp(1.4rem,3vw,1.9rem);color:var(--accent-dark);letter-spacing:-.02em}
.stat span{color:var(--muted);font-size:.86rem}

/* ---------- Tables ---------- */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);margin:0 0 1.4em;background:#fff}
table{width:100%;border-collapse:collapse;font-size:.95rem;min-width:640px}
th,td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--bg-soft);font-weight:800;color:var(--ink);white-space:nowrap}
tr:last-child td{border-bottom:0}
tbody tr:nth-child(even){background:#fbfdff}

/* ---------- Callout / answer box (GEO) ---------- */
.answer-box{background:#ecfeff;border:1px solid #a5f3fc;border-left:5px solid var(--accent);border-radius:10px;padding:16px 18px;margin:0 0 1.6em}
.answer-box .lbl{font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--accent-dark);display:block;margin-bottom:6px}
.answer-box p{margin:0}
.note{background:#fffbeb;border:1px solid #fde68a;border-left:5px solid var(--warn);border-radius:10px;padding:14px 16px;margin:0 0 1.4em;font-size:.95rem}
.cite{background:var(--bg-soft);border:1px dashed var(--line);border-radius:10px;padding:14px 16px;margin:1em 0;font-size:.9rem;color:var(--muted)}

/* ---------- FAQ (details/summary accordion) ---------- */
.faq-item{border:1px solid var(--line);border-radius:10px;margin-bottom:10px;overflow:hidden;background:#fff}
.faq-item summary{cursor:pointer;padding:15px 18px;font-weight:700;color:var(--ink);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:1.3rem;color:var(--accent);font-weight:400}
.faq-item[open] summary::after{content:"–"}
.faq-item .faq-body{padding:0 18px 16px;color:var(--ink-soft)}

/* ---------- Breadcrumb ---------- */
.breadcrumb{font-size:.85rem;color:var(--muted);padding:16px 0 0}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span{color:var(--ink-soft)}

/* ---------- Article ---------- */
.article{max-width:800px;margin:0 auto;padding:24px 20px 60px}
.article .meta{color:var(--muted);font-size:.88rem;margin-bottom:18px}
.article .meta b{color:var(--ink-soft)}
.article .toc{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;margin:0 0 1.6em}
.article .toc ol{padding-left:1.2em;margin:0}
.article .toc a{color:var(--ink-soft);font-weight:600}
.article h2{border-bottom:1px solid var(--line);padding-bottom:.4em}
.article img{border-radius:var(--radius);box-shadow:var(--shadow);margin:1.2em 0}
.figcaption{font-size:.82rem;color:var(--muted);text-align:center;margin:-.8em 0 1.4em}

/* ---------- Footer ---------- */
.site-footer{background:#0f172a;color:#cbd5e1;padding:44px 0 0;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:28px;padding-bottom:30px}
.site-footer h4{color:#fff;font-size:.95rem;margin:0 0 12px}
.site-footer a{color:#94a3b8}
.site-footer a:hover{color:#fff}
.footer-brand p{font-size:.9rem}
.footer-sns{display:flex;flex-wrap:wrap;gap:8px}
.footer-sns a{background:#1e293b;border:1px solid #334155;border-radius:8px;padding:7px 11px;font-size:.8rem;color:#cbd5e1;font-weight:600}
.footer-sns a:hover{color:#fff;border-color:#64748b;text-decoration:none}
.footer-bottom{border-top:1px solid #1e293b;padding:18px 0;font-size:.82rem;color:#64748b;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* ---------- Contact / form ---------- */
.form-grid{display:grid;gap:16px}
.field label{display:block;font-weight:700;font-size:.9rem;margin-bottom:6px}
.field input,.field textarea,.field select{width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:9px;font-size:.95rem;font-family:inherit;background:#fff}
.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid var(--accent);outline-offset:1px}
.contact-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:30px}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero-inner{grid-template-columns:1fr;gap:26px;padding:40px 0}
  .footer-grid{grid-template-columns:1fr 1fr}
  .stat-band{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  .grid.cols-3,.grid.cols-2{grid-template-columns:1fr}
  .nav-toggle{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:10px 16px 16px;box-shadow:var(--shadow)}
  .nav.open{display:flex}
  .nav a{padding:12px}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:560px){
  body{font-size:15px}
  .container{padding:0 16px}
  .hero h1{font-size:1.8rem}
  .hero-ctas .btn{width:100%;text-align:center}
  .stat-band{grid-template-columns:1fr 1fr}
  .footer-bottom{flex-direction:column;gap:8px}
}