/* Premier Koi Supply — farm-direct koi store. Mobile-first, pond-luxe theme. */
:root {
  --bg: #071e26;            /* deep pond */
  --bg-soft: #0b2831;
  --card: #102f3a;
  --card-hi: #143947;
  --border: #1f4c5c;
  --text: #fdf8ef;          /* warm white */
  --muted: #b9d0d8;
  --accent: #ff7a1a;        /* koi orange */
  --accent-deep: #e05f00;
  --accent-ink: #2a1402;
  --gold: #f2b134;
  --kohaku: #e63946;        /* kohaku red */
  --green: #22c55e;
  --wa: #1f9d55;
  --radius: 16px;
  --maxw: 1120px;
  --serif: Georgia, "Times New Roman", "Noto Serif", serif;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; font-family: var(--font);
  background: var(--bg); color: var(--text);
  line-height: 1.6; -webkit-text-size-adjust: 100%;
}
img { max-width: 100%; display: block; }
a { color: var(--accent); }
h1, h2, h3 { font-family: var(--serif); line-height: 1.2; margin: 0 0 .6em; font-weight: 700; }
h2 { font-size: 1.8rem; letter-spacing: .01em; }
h2::after {
  content: ""; display: block; width: 60px; height: 4px; margin-top: .45em;
  background: linear-gradient(90deg, var(--accent), var(--gold)); border-radius: 2px;
}
.container { width: min(100% - 2.5rem, var(--maxw)); margin-inline: auto; }
.section { padding: 3.5rem 0; }
.section-alt { background: var(--bg-soft); }
.section-lead { color: var(--muted); font-size: 1.05rem; margin-top: -.4em; max-width: 44rem; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 400;
  background: var(--accent); color: var(--accent-ink);
  padding: .6rem 1rem; border-radius: 0 0 8px 0; font-weight: 700;
}
.skip-link:focus { left: 0; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(7, 30, 38, .94); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: .8rem; padding: .65rem 0; }
.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; color: var(--text); }
.brand-mark {
  width: 44px; height: 44px; border-radius: 50%; flex: none;
  background: radial-gradient(circle at 30% 30%, var(--gold), var(--accent) 60%, var(--accent-deep));
  display: grid; place-items: center; font-weight: 800; font-size: 1rem; color: var(--accent-ink);
  font-family: var(--serif);
  box-shadow: 0 2px 12px rgba(255, 122, 26, .4);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-family: var(--serif); font-size: 1.02rem; }
.brand-text small { color: var(--muted); font-size: .68rem; letter-spacing: .05em; }
.main-nav { display: none; }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: .55rem; }

/* Mobile nav: horizontal scroll row under the header (desktop uses .main-nav) */
.mobile-nav {
  display: flex; gap: .45rem; overflow-x: auto;
  padding: 0 0 .65rem; scrollbar-width: none;
}
.mobile-nav::-webkit-scrollbar { display: none; }
.mobile-nav a {
  flex: none; color: var(--muted); text-decoration: none;
  font-weight: 600; font-size: .86rem;
  padding: .42rem .95rem; border: 1px solid var(--border); border-radius: 999px;
  background: rgba(16, 47, 58, .6);
}
.mobile-nav a:hover, .mobile-nav a:focus-visible { color: var(--accent); border-color: var(--accent); }

/* Keep anchored sections clear of the sticky header */
section[id], footer[id] { scroll-margin-top: 118px; }

.lang-toggle {
  background: transparent; color: var(--text);
  border: 1px solid var(--border); border-radius: 999px;
  padding: .45rem .85rem; font-weight: 700; cursor: pointer; font-size: .9rem;
}
.lang-toggle:hover, .lang-toggle:focus-visible { border-color: var(--accent); color: var(--accent); }

.cart-btn {
  position: relative; background: transparent; color: var(--text);
  border: 1px solid var(--border); border-radius: 999px;
  padding: .45rem .85rem; font-weight: 700; cursor: pointer; font-size: .9rem;
  display: inline-flex; align-items: center; gap: .4rem;
}
.cart-btn:hover, .cart-btn:focus-visible { border-color: var(--accent); color: var(--accent); }
.cart-count {
  position: absolute; top: -8px; right: -6px;
  background: var(--kohaku); color: #fff; font-size: .72rem; font-weight: 800;
  min-width: 20px; height: 20px; border-radius: 999px;
  display: grid; place-items: center; padding: 0 5px;
}
.cart-count[hidden] { display: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  border-radius: 999px; padding: .8rem 1.5rem;
  font-weight: 700; text-decoration: none; border: 2px solid transparent;
  cursor: pointer; font-size: 1rem; transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
  font-family: var(--font);
}
.btn:active { transform: scale(.97); }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-deep)); color: #fff; box-shadow: 0 4px 20px rgba(255, 122, 26, .35); }
.btn-primary:hover { filter: brightness(1.08); }
.btn-whatsapp { background: var(--wa); color: #fff; box-shadow: 0 4px 18px rgba(34, 197, 94, .25); }
.btn-whatsapp:hover { background: #178743; }
.btn-outline { background: transparent; color: var(--gold); border-color: var(--gold); }
.btn-outline:hover { background: rgba(242, 177, 52, .12); }
.btn-ghost { background: transparent; color: var(--muted); border-color: var(--border); }
.btn-ghost:hover { color: var(--text); border-color: var(--muted); }
.btn-sm { padding: .5rem 1rem; font-size: .88rem; }
.btn-lg { padding: 1rem 1.8rem; font-size: 1.08rem; width: 100%; }
.btn-block { width: 100%; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 0; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(7,30,38,.55) 0%, rgba(7,30,38,.82) 60%, var(--bg) 100%);
}
.hero-inner { position: relative; z-index: 1; padding: 4.5rem 0 3.5rem; }
.hero-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  background: rgba(7, 30, 38, .7); border: 1px solid var(--gold);
  color: var(--gold); padding: .45rem 1rem; border-radius: 999px;
  font-size: .88rem; font-weight: 700; margin-bottom: 1.1rem;
}
.hero h1 { font-size: 2.4rem; margin-bottom: .3em; text-shadow: 0 2px 24px rgba(0,0,0,.5); }
.hero h1 .hl { color: var(--accent); }
.hero-tag { font-size: 1.2rem; font-weight: 700; color: var(--gold); margin: 0 0 .6em; font-family: var(--serif); }
.hero-sub { color: #e8eef0; margin: 0 0 1.6rem; max-width: 36rem; font-size: 1.02rem; }
.hero-ctas { display: grid; gap: .8rem; margin-bottom: 1.8rem; max-width: 30rem; }

.trust-row {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: .7rem; margin: 0; padding: 0; list-style: none;
}
.trust-row li {
  background: rgba(16, 47, 58, .82); border: 1px solid var(--border);
  border-radius: 12px; padding: .7rem .8rem; font-size: .86rem; font-weight: 700;
  display: flex; align-items: center; gap: .55rem;
}
.trust-row .ticon { font-size: 1.25rem; }

/* ---------- Product grid ---------- */
.shop-grid { display: grid; gap: 1.2rem; margin-top: 2rem; }
.product-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform .15s ease, box-shadow .15s ease;
}
.product-card:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(0, 0, 0, .4); }
.product-media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--bg-soft); }
.product-media img { width: 100%; height: 100%; object-fit: cover; }
.product-video { width: 100%; height: 100%; object-fit: cover; display: block; background: #000; }
.variety-badge {
  position: absolute; top: .7rem; left: .7rem;
  background: rgba(7, 30, 38, .85); color: var(--gold);
  border: 1px solid var(--gold); font-size: .75rem; font-weight: 800;
  letter-spacing: .06em; text-transform: uppercase;
  padding: .3rem .7rem; border-radius: 999px;
}
.product-body { padding: 1.1rem 1.2rem 1.3rem; display: flex; flex-direction: column; gap: .55rem; flex: 1; }
.product-body h3 { font-size: 1.25rem; margin: 0; }
.product-meta { display: flex; align-items: center; justify-content: space-between; }
.product-size { color: var(--muted); font-size: .92rem; }
.product-price { font-size: 1.45rem; font-weight: 800; color: var(--accent); font-family: var(--serif); }
.product-desc { color: var(--muted); font-size: .92rem; margin: 0; flex: 1; }
.product-actions { display: grid; gap: .55rem; margin-top: .4rem; }
.buy-row { display: grid; grid-template-columns: 1fr 1fr; gap: .55rem; }
.sample-note {
  font-size: .72rem; color: var(--muted); opacity: .75; text-align: center;
  border-top: 1px dashed var(--border); padding-top: .5rem; margin: .2rem 0 0;
}

/* ---------- Category banners ---------- */
.cat-banner {
  display: grid; gap: 1.2rem; align-items: center;
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; margin-top: 2rem;
}
.cat-banner img { width: 100%; height: 220px; object-fit: cover; }
.cat-banner-body { padding: 0 1.4rem 1.4rem; }
.cat-banner-body h3 { font-size: 1.4rem; margin: 0 0 .4em; }
.cat-banner-body p { color: var(--muted); margin: 0 0 1rem; }

/* ---------- Shipping / guarantee ---------- */
.ship-grid { display: grid; gap: 1rem; margin-top: 2rem; }
.ship-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.4rem;
  border-top: 3px solid var(--accent);
}
.ship-card h3 { font-size: 1.15rem; margin-bottom: .35em; }
.ship-card p { color: var(--muted); margin: 0; font-size: .95rem; }
.ship-card p strong { color: var(--text); }
.ship-math {
  margin-top: 2rem; background: var(--bg); border: 1px dashed var(--gold);
  border-radius: var(--radius); padding: 1.4rem;
}
.ship-math h3 { color: var(--gold); font-size: 1.1rem; }
.ship-math ul { margin: .6em 0 0; padding-left: 1.2em; color: var(--muted); }
.ship-math li { margin-bottom: .35em; }
.ship-math li strong { color: var(--text); }

/* ---------- About ---------- */
.about-grid { display: grid; gap: 1.5rem; margin-top: 1.5rem; }
.about-photo img { border-radius: var(--radius); border: 1px solid var(--border); box-shadow: 0 12px 40px rgba(0,0,0,.45); }
.about-copy p { color: var(--muted); }
.about-copy p strong { color: var(--text); }
.about-list { list-style: none; padding: 0; margin: 1.2rem 0 0; display: grid; gap: .6rem; }
.about-list li { display: flex; gap: .6rem; align-items: flex-start; color: var(--muted); }
.about-list li::before { content: "✓"; color: var(--green); font-weight: 800; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; gap: 2rem; margin-top: 1.8rem; }
.contact-row { margin: 0 0 1.2rem; }
.contact-row strong { color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .06em; }
.contact-row a.big { font-size: 1.3rem; font-weight: 800; text-decoration: none; color: var(--text); font-family: var(--serif); }
.contact-row a.big:hover { color: var(--accent); }
.contact-ctas { display: grid; gap: .8rem; margin-top: 1.5rem; }

.quote-form {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.6rem;
}
.quote-form h3 { margin-top: 0; }
.quote-form label { display: block; margin-bottom: 1rem; }
.quote-form label > span { display: block; font-weight: 600; margin-bottom: .35rem; font-size: .92rem; }
.quote-form input, .quote-form select, .quote-form textarea {
  width: 100%; padding: .8rem .9rem; border-radius: 10px;
  border: 1px solid var(--border); background: var(--bg-soft);
  color: var(--text); font: inherit;
}
.quote-form input:focus-visible, .quote-form select:focus-visible, .quote-form textarea:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent);
}
.form-note { min-height: 1.5em; font-size: .92rem; color: var(--accent); margin: .8rem 0 0; font-weight: 600; }
.field-err { border-color: var(--kohaku) !important; }

/* ---------- Cart drawer ---------- */
.overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(3, 12, 16, .65); backdrop-filter: blur(2px);
  opacity: 0; pointer-events: none; transition: opacity .2s ease;
}
.overlay.show { opacity: 1; pointer-events: auto; }
.cart-drawer {
  position: fixed; top: 0; right: 0; z-index: 210;
  width: min(420px, 100%); height: 100dvh;
  background: var(--bg-soft); border-left: 1px solid var(--border);
  transform: translateX(102%); transition: transform .25s ease;
  display: flex; flex-direction: column;
}
.cart-drawer.open { transform: translateX(0); }
.cart-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 1.3rem; border-bottom: 1px solid var(--border);
}
.cart-head h2 { margin: 0; font-size: 1.3rem; }
.cart-head h2::after { display: none; }
.cart-close { background: none; border: none; color: var(--muted); font-size: 1.5rem; cursor: pointer; padding: .3rem; }
.cart-close:hover { color: var(--text); }
.cart-items { flex: 1; overflow-y: auto; padding: 1rem 1.3rem; display: flex; flex-direction: column; gap: .9rem; }
.cart-empty { color: var(--muted); text-align: center; padding: 3rem 1rem; }
.cart-empty p { margin: 0 0 1.2rem; line-height: 1.7; }
.catalog-empty { color: var(--muted); text-align: center; padding: 2.5rem 1rem; grid-column: 1 / -1; }
.catalog-empty p { margin: 0; line-height: 1.7; }
.input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(255, 176, 32, .18); }
.ship-opt:focus-within { border-color: var(--accent); }
.date-opt:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.cart-item {
  display: grid; grid-template-columns: 76px 1fr; gap: .8rem;
  background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: .7rem;
}
.cart-item img { width: 76px; height: 76px; object-fit: cover; border-radius: 8px; }
.cart-item-info h4 { margin: 0 0 .15em; font-size: .98rem; font-family: var(--serif); }
.cart-item-info .ci-meta { color: var(--muted); font-size: .82rem; margin: 0 0 .4em; }
.ci-row { display: flex; align-items: center; justify-content: space-between; }
.qty-ctrl { display: inline-flex; align-items: center; gap: .5rem; }
.qty-ctrl button {
  width: 28px; height: 28px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg-soft); color: var(--text); font-weight: 800; cursor: pointer; font-size: 1rem; line-height: 1;
}
.qty-ctrl button:hover { border-color: var(--accent); color: var(--accent); }
.qty-ctrl span { font-weight: 700; min-width: 1.4em; text-align: center; }
.ci-price { font-weight: 800; color: var(--accent); }
.ci-remove { background: none; border: none; color: var(--muted); font-size: .8rem; cursor: pointer; text-decoration: underline; padding: 0; margin-top: .3rem; }
.ci-remove:hover { color: var(--kohaku); }
.cart-foot { padding: 1.2rem 1.3rem; border-top: 1px solid var(--border); display: grid; gap: .7rem; }
.cart-subtotal { display: flex; justify-content: space-between; font-weight: 800; font-size: 1.1rem; }
.cart-note { font-size: .82rem; color: var(--muted); margin: 0; text-align: center; }

/* ---------- Checkout modal ---------- */
.checkout-modal {
  position: fixed; inset: 0; z-index: 220; display: grid; place-items: center; padding: 1rem;
  opacity: 0; pointer-events: none; transition: opacity .2s ease;
}
.checkout-modal.open { opacity: 1; pointer-events: auto; }
.checkout-box {
  width: min(640px, 100%); max-height: 92dvh; overflow-y: auto;
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: 18px;
  padding: 1.6rem;
}
.checkout-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
.checkout-head h2 { margin: 0; font-size: 1.4rem; }
.checkout-head h2::after { display: none; }
.steps { display: flex; gap: .4rem; margin-bottom: 1.4rem; }
.step-dot {
  flex: 1; text-align: center; font-size: .72rem; font-weight: 700; color: var(--muted);
  padding-top: .55rem; position: relative; text-transform: uppercase; letter-spacing: .04em;
}
.step-dot::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  border-radius: 2px; background: var(--border);
}
.step-dot.active { color: var(--gold); }
.step-dot.active::before { background: var(--gold); }
.step-dot.done { color: var(--green); }
.step-dot.done::before { background: var(--green); }
.co-step { display: none; }
.co-step.active { display: block; }
.form-grid { display: grid; gap: .9rem; }
.form-grid label { display: block; }
.form-grid label > span { display: block; font-weight: 600; margin-bottom: .3rem; font-size: .9rem; }
.form-grid input, .form-grid select, .form-grid textarea {
  width: 100%; padding: .75rem .85rem; border-radius: 10px;
  border: 1px solid var(--border); background: var(--bg);
  color: var(--text); font: inherit;
}
.form-grid input:focus-visible, .form-grid select:focus-visible, .form-grid textarea:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent);
}
.form-2col { display: grid; grid-template-columns: 1fr 1fr; gap: .9rem; }
.co-nav { display: flex; gap: .7rem; margin-top: 1.4rem; }
.co-nav .btn { flex: 1; }
.date-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .6rem; }
.date-opt {
  border: 1px solid var(--border); border-radius: 12px; padding: .8rem;
  cursor: pointer; background: var(--bg); transition: border-color .12s ease;
}
.date-opt:hover { border-color: var(--accent); }
.date-opt.selected { border-color: var(--accent); background: rgba(255, 122, 26, .1); box-shadow: 0 0 0 1px var(--accent); }
.date-opt.disabled { opacity: .38; cursor: not-allowed; }
.date-opt strong { display: block; font-size: .95rem; }
.date-opt small { color: var(--muted); }
.ship-method {
  border: 1px solid var(--border); border-radius: 12px; padding: 1rem;
  display: flex; gap: .8rem; align-items: flex-start; cursor: pointer; background: var(--bg);
}
.ship-method.selected { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.ship-method input { margin-top: .3rem; accent-color: var(--accent); }
.ship-method .sm-body { flex: 1; }
.ship-method .sm-body strong { display: block; }
.ship-method .sm-body small { color: var(--muted); }
.ship-method .sm-price { font-weight: 800; color: var(--accent); white-space: nowrap; }
.review-box { background: var(--bg); border: 1px solid var(--border); border-radius: 12px; padding: 1.1rem; margin-bottom: 1rem; }
.review-box h4 { margin: 0 0 .5em; font-size: 1rem; color: var(--gold); font-family: var(--serif); }
.review-line { display: flex; justify-content: space-between; gap: 1rem; padding: .3rem 0; font-size: .93rem; }
.review-line.total { border-top: 1px solid var(--border); margin-top: .5rem; padding-top: .7rem; font-weight: 800; font-size: 1.15rem; }
.review-line.total .rval { color: var(--accent); }
.free-ship { color: var(--green); font-weight: 700; }
.square-notice {
  background: rgba(242, 177, 52, .1); border: 1px solid var(--gold);
  border-radius: 12px; padding: 1rem 1.1rem; margin-bottom: 1rem; font-size: .92rem;
}
.square-notice strong { color: var(--gold); }
.co-error { color: var(--kohaku); font-weight: 700; font-size: .9rem; min-height: 1.4em; margin: .6rem 0 0; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 2.2rem 0; background: #04141a; }
.footer-grid { display: grid; gap: 1.5rem; }
.footer-grid h4 { font-family: var(--serif); margin: 0 0 .5em; color: var(--gold); }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .35rem; }
.footer-grid a { color: var(--muted); text-decoration: none; font-size: .92rem; }
.footer-grid a:hover { color: var(--accent); }
.footer-bottom { margin-top: 1.8rem; padding-top: 1.2rem; border-top: 1px solid var(--border); }
.footer-bottom p { margin: .25em 0; color: var(--muted); font-size: .85rem; }
.footer-bottom strong { color: var(--text); }

a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- Tablet & desktop ---------- */
@media (min-width: 720px) {
  .main-nav { display: flex; gap: 1.1rem; margin-left: 1.2rem; }
  .main-nav a { color: var(--muted); text-decoration: none; font-weight: 600; font-size: .93rem; }
  .main-nav a:hover { color: var(--accent); }
  .mobile-nav { display: none; }
  section[id], footer[id] { scroll-margin-top: 76px; }
  .hero h1 { font-size: 3.1rem; }
  .hero-ctas { grid-template-columns: 1fr 1fr; }
  .btn-lg { width: auto; }
  .trust-row { grid-template-columns: repeat(4, 1fr); }
  .shop-grid { grid-template-columns: repeat(2, 1fr); }
  .ship-grid { grid-template-columns: repeat(2, 1fr); }
  .cat-banner { grid-template-columns: 1fr 1.2fr; }
  .cat-banner img { height: 100%; min-height: 240px; }
  .cat-banner-body { padding: 1.6rem 1.6rem 1.6rem 0; }
  .contact-grid { grid-template-columns: 1fr 1fr; align-items: start; }
  .contact-ctas { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: .9fr 1.1fr; align-items: center; }
  .footer-grid { grid-template-columns: 1.2fr 1fr 1fr; }
  .date-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1024px) {
  .shop-grid { grid-template-columns: repeat(3, 1fr); }
  .ship-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .product-card, .cart-drawer, .overlay, .checkout-modal { transition: none; }
}