/* BlueCrest Peptides — palette taken from the Longs Peak photo:
   deep sky blue, granite amber, snow white, evergreen. */
:root {
  --navy: #0b2545;
  --sky: #1565d8;
  --sky-dark: #0e4fae;
  --granite: #c98a4b;
  --pine: #1f5a32;
  --snow: #f6f9fc;
  --ink: #1b2a3d;
  --muted: #5a6b82;
  --line: #dfe6ef;
  --radius: 14px;
  --shadow: 0 8px 30px rgba(11, 37, 69, .08);
  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --display: "Montserrat", var(--font);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: #fff; line-height: 1.6; }
img, svg { max-width: 100%; display: block; }
a { color: var(--sky); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { font-family: var(--display); color: var(--navy); line-height: 1.2; margin: 0 0 .5em; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* buttons */
.btn { display: inline-block; background: var(--sky); color: #fff; border: 0; border-radius: 999px; padding: 13px 26px;
  font: 600 15px var(--font); cursor: pointer; transition: background .2s, transform .1s; text-decoration: none; }
.btn:hover { background: var(--sky-dark); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn:disabled { background: #9fb3cc; cursor: not-allowed; }
.btn-sm { padding: 8px 14px; font-size: 13px; }
.btn-ghost { background: transparent; color: var(--navy); border: 2px solid var(--line); }
.btn-ghost:hover { background: var(--snow); }
.btn-light { background: #fff; color: var(--navy); }
.btn-light:hover { background: var(--snow); }
.btn-block { width: 100%; }

/* header */
.announce { background: var(--navy); color: #dbe7f7; text-align: center; font-size: 13px; padding: 8px 16px; letter-spacing: .02em; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.header-row { display: flex; align-items: center; gap: 24px; height: 74px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--navy); }
.brand:hover { text-decoration: none; }
.brand span { display: flex; flex-direction: column; line-height: 1; }
.brand strong { font: 800 22px var(--display); letter-spacing: -.01em; }
.brand em { font: 600 11px var(--font); font-style: normal; letter-spacing: .32em; text-transform: uppercase; color: var(--granite); margin-top: 4px; }
.brand-light { color: #fff; }
.main-nav { display: flex; gap: 26px; margin-left: auto; }
.main-nav a { color: var(--ink); font-weight: 500; font-size: 15px; }
.main-nav a[aria-current="page"], .main-nav a:hover { color: var(--sky); text-decoration: none; }
.cart-link { position: relative; color: var(--navy); }
#cart-count { position: absolute; top: -8px; right: -10px; background: var(--granite); color: #fff; font-size: 11px; font-weight: 700;
  min-width: 19px; height: 19px; border-radius: 10px; display: grid; place-items: center; padding: 0 5px; }
#cart-count[hidden] { display: none; }
.menu-toggle { display: none; margin-left: auto; background: none; border: 0; font-size: 26px; color: var(--navy); cursor: pointer; }

/* hero */
.hero { position: relative; min-height: 600px; display: flex; align-items: center; color: #fff;
  background: url("../images/hero-longs-peak.png") center 40% / cover no-repeat; }
.hero::before { content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(11,37,69,.88) 0%, rgba(11,37,69,.55) 45%, rgba(11,37,69,.05) 80%); }
.hero .wrap { position: relative; width: 100%; }
.hero-copy { max-width: 580px; }
.eyebrow { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .2em; text-transform: uppercase; color: #ffd9b0; margin-bottom: 14px; }
.hero h1 { color: #fff; font-size: clamp(36px, 5.5vw, 60px); font-weight: 800; letter-spacing: -.02em; }
.hero p { font-size: 18px; color: #e3ecf8; margin: 0 0 28px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero .btn-ghost { color: #fff; border-color: rgba(255,255,255,.6); }
.hero .btn-ghost:hover { background: rgba(255,255,255,.12); }

/* trust bar */
.trust { background: var(--snow); border-bottom: 1px solid var(--line); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 26px 20px; }
.trust-item { display: flex; gap: 12px; align-items: center; }
.trust-item .ico { flex: none; width: 44px; height: 44px; border-radius: 12px; background: #fff; display: grid; place-items: center; font-size: 22px; box-shadow: var(--shadow); }
.trust-item strong { display: block; color: var(--navy); font-size: 15px; }
.trust-item span { font-size: 13px; color: var(--muted); }

/* sections */
section { padding: 72px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 40px; }
.section-head h2, .section-title { font-size: clamp(26px, 3.4vw, 36px); }
.section-head p { color: var(--muted); }
.section-title { margin-top: 64px; }
.page-hero { padding: 64px 0 48px; background: linear-gradient(180deg, var(--snow), #fff); border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(30px, 4vw, 44px); }
.page-hero p { color: var(--muted); max-width: 680px; margin: 0; }

/* product grid & cards */
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.card { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; transition: box-shadow .2s, transform .2s; }
.card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.card-img { display: flex; align-items: center; justify-content: center; background: linear-gradient(160deg, #eef4fb, #fff 70%); padding: 24px; aspect-ratio: 1 / 1; }
.card-img svg { width: 62%; height: auto; }
.card-body { padding: 16px 18px 18px; display: flex; flex-direction: column; flex: 1; }
.card-cat { font-size: 11px; text-transform: uppercase; letter-spacing: .14em; color: var(--granite); font-weight: 700; margin: 0 0 4px; }
.card h3 { font-size: 18px; margin: 0 0 4px; }
.card h3 a { color: var(--navy); }
.card-meta { font-size: 13px; color: var(--muted); margin: 0 0 14px; }
.card-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.price { font: 700 19px var(--display); color: var(--navy); }
.price small { font: 500 12px var(--font); color: var(--muted); }
.price.big { font-size: 30px; margin: 0 0 12px; }
.tag { position: absolute; top: 12px; left: 12px; z-index: 1; background: var(--granite); color: #fff; font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: 4px 10px; border-radius: 999px; }
.tag-inline { position: static; display: inline-block; margin-bottom: 10px; }
.center { text-align: center; margin-top: 40px; }

/* split feature (testing) */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split-img { border-radius: var(--radius); overflow: hidden; min-height: 380px; background: url("../images/hero-longs-peak.png") 20% center / cover; box-shadow: var(--shadow); }
.checks { list-style: none; padding: 0; margin: 20px 0 28px; }
.checks li { padding: 8px 0 8px 34px; position: relative; }
.checks li::before { content: "✓"; position: absolute; left: 0; top: 8px; width: 22px; height: 22px; border-radius: 50%; background: #e3f0e8; color: var(--pine); font-weight: 800; font-size: 13px; display: grid; place-items: center; }

/* categories */
.cats { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.cat-tile { background: var(--navy); color: #fff; border-radius: var(--radius); padding: 26px 20px; position: relative; overflow: hidden; min-height: 140px; display: flex; flex-direction: column; justify-content: flex-end; }
.cat-tile::after { content: ""; position: absolute; right: -20px; top: -10px; width: 120px; height: 80px; background: url("../images/logo-mark.svg") center / contain no-repeat; opacity: .18; }
.cat-tile strong { font: 700 18px var(--display); }
.cat-tile span { font-size: 13px; color: #b9cbe4; }
.cat-tile:hover { background: var(--sky-dark); text-decoration: none; }

/* signup */
.signup { background: linear-gradient(120deg, var(--navy), var(--sky-dark)); color: #fff; border-radius: 22px; padding: 48px; display: grid; grid-template-columns: 1fr 1.2fr; gap: 32px; align-items: center; }
.signup h2 { color: #fff; font-size: 32px; }
.signup p { color: #cfe0f6; margin: 0; }
.signup form { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.signup input { border: 0; border-radius: 10px; padding: 14px 16px; font: 15px var(--font); }
.signup .full { grid-column: 1 / -1; }
.form-ok { background: rgba(255,255,255,.12); padding: 16px; border-radius: 10px; margin: 0; }

/* shop */
.shop-tools { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: space-between; margin-bottom: 28px; }
#cat-tabs { display: flex; flex-wrap: wrap; gap: 8px; }
#cat-tabs button { border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 8px 16px; font: 500 14px var(--font); cursor: pointer; color: var(--ink); }
#cat-tabs button.active { background: var(--navy); color: #fff; border-color: var(--navy); }
.shop-filters { display: flex; gap: 10px; align-items: center; }
.shop-filters input, .shop-filters select, .form input, .form textarea, .form select { border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; font: 14px var(--font); background: #fff; color: var(--ink); }
#result-count { color: var(--muted); font-size: 14px; margin-bottom: 16px; }
.empty { text-align: center; padding: 60px 0; color: var(--muted); grid-column: 1 / -1; }

/* product detail */
.crumbs { font-size: 14px; color: var(--muted); margin: 28px 0; }
.pdp { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: start; }
.pdp-img { background: linear-gradient(160deg, #eef4fb, #fff 70%); border: 1px solid var(--line); border-radius: 20px; display: flex; align-items: center; justify-content: center; padding: 40px; aspect-ratio: 1 / 1; }
.pdp-img svg { width: 48%; height: auto; }
.pdp-info h1 { font-size: clamp(30px, 4vw, 42px); }
.field { margin: 22px 0; }
.label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 8px; }
.sizes { display: flex; gap: 8px; flex-wrap: wrap; }
.size { border: 2px solid var(--line); background: #fff; border-radius: 10px; padding: 9px 16px; font: 600 14px var(--font); cursor: pointer; color: var(--ink); }
.size.active { border-color: var(--sky); color: var(--sky); background: #eef4fb; }
.buy-row { display: flex; gap: 12px; align-items: center; }
.qty { display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.qty button { background: none; border: 0; width: 38px; height: 42px; font-size: 18px; cursor: pointer; color: var(--navy); }
.qty span { min-width: 28px; text-align: center; font-weight: 600; }
.badges-inline { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 22px 0; font-size: 14px; color: var(--pine); font-weight: 500; }
.specs { width: 100%; border-collapse: collapse; font-size: 14px; margin: 8px 0 18px; }
.specs th, .specs td { text-align: left; padding: 10px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.specs th { width: 42%; color: var(--muted); font-weight: 500; }
.ruo { font-size: 13px; color: #8a4b12; background: #fdf3e8; border: 1px solid #f2dcc2; padding: 12px 14px; border-radius: 10px; }

/* cart */
.cart-layout { display: grid; grid-template-columns: 1fr 360px; gap: 40px; align-items: start; }
.cart-line { display: grid; grid-template-columns: 72px 1fr auto auto auto; gap: 18px; align-items: center; padding: 16px 0; border-bottom: 1px solid var(--line); }
.cart-thumb { background: #eef4fb; border-radius: 10px; padding: 6px; }
.cart-desc { display: flex; flex-direction: column; }
.cart-desc a { color: var(--navy); }
.cart-desc span { font-size: 14px; color: var(--muted); }
.line-total { min-width: 80px; text-align: right; }
.remove { background: none; border: 0; color: var(--muted); cursor: pointer; font-size: 16px; }
.summary { background: var(--snow); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; position: sticky; top: 100px; }
.summary .row { display: flex; justify-content: space-between; padding: 8px 0; }
.summary .total { border-top: 1px solid var(--line); margin-top: 8px; padding-top: 14px; font-weight: 700; font-size: 18px; color: var(--navy); }
.check { display: flex; gap: 10px; font-size: 13px; color: var(--muted); margin: 18px 0; align-items: flex-start; }
.check input { margin-top: 3px; }
.hint { font-size: 13px; color: var(--muted); margin: 8px 0 0; }

/* content pages */
.prose { max-width: 780px; }
.prose h2 { margin-top: 40px; font-size: 26px; }
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.info-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; background: #fff; }
.info-card .ico { font-size: 28px; margin-bottom: 10px; }
.faq details { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq summary { font-weight: 600; color: var(--navy); cursor: pointer; font-size: 17px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::after { content: "+"; font-size: 22px; color: var(--sky); line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details p { color: var(--muted); margin: 12px 0 0; }
.form { display: grid; gap: 14px; max-width: 560px; }
.form label { font-weight: 600; font-size: 14px; display: grid; gap: 6px; }
.form .form-ok { background: #e3f0e8; color: var(--pine); }
.coa-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.coa-table th, .coa-table td { padding: 12px 10px; border-bottom: 1px solid var(--line); text-align: left; }
.coa-table th { background: var(--snow); color: var(--navy); }
.pill { display: inline-block; background: #e3f0e8; color: var(--pine); font-weight: 600; font-size: 12px; padding: 3px 10px; border-radius: 999px; }

/* footer */
.site-footer { background: var(--navy); color: #b9cbe4; margin-top: 80px; padding-top: 56px; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 36px; }
.site-footer h4 { color: #fff; font-size: 15px; margin-bottom: 14px; }
.site-footer a { display: block; color: #b9cbe4; padding: 3px 0; }
.site-footer a:hover { color: #fff; }
.site-footer .brand { display: flex; margin-bottom: 12px; }
.disclaimer { border-top: 1px solid rgba(255,255,255,.12); padding-top: 24px; padding-bottom: 28px; font-size: 12.5px; color: #93a9c7; }
.copy { margin-top: 12px; }

/* gate & toast */
.gate { position: fixed; inset: 0; z-index: 100; background: rgba(11,37,69,.75); backdrop-filter: blur(6px); display: grid; place-items: center; padding: 16px; }
.gate-box { background: #fff; border-radius: 20px; max-width: 460px; width: 100%; padding: 36px 32px; text-align: center; box-shadow: 0 30px 80px rgba(0,0,0,.3); }
.gate-box img { margin: 0 auto 14px; }
.gate-box p { color: var(--muted); }
.gate-actions { display: flex; gap: 10px; justify-content: center; margin-top: 20px; flex-wrap: wrap; }
#toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 120px); background: var(--navy); color: #fff; padding: 14px 20px; border-radius: 12px; box-shadow: var(--shadow); z-index: 90; transition: transform .3s; font-size: 14px; max-width: calc(100% - 32px); }
#toast a { color: #ffd9b0; margin-left: 8px; font-weight: 600; }
#toast.show { transform: translate(-50%, 0); }

/* responsive */
@media (max-width: 1000px) {
  .grid { grid-template-columns: repeat(3, 1fr); }
  .cats { grid-template-columns: repeat(3, 1fr); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 820px) {
  .menu-toggle { display: block; }
  .main-nav { display: none; position: absolute; top: 74px; left: 0; right: 0; background: #fff; flex-direction: column; gap: 0; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 14px 20px; border-top: 1px solid var(--line); }
  .header-row { gap: 16px; }
  .cart-link { margin-left: 4px; }
  .split, .pdp, .signup, .cart-layout, .cards-3 { grid-template-columns: 1fr; }
  .split-img { min-height: 260px; }
  .signup { padding: 32px 24px; }
  .hero { min-height: 520px; }
  .hero::before { background: linear-gradient(180deg, rgba(11,37,69,.55), rgba(11,37,69,.85)); }
  .summary { position: static; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
  .grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .cats { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: 1fr; }
  .card-foot { flex-direction: column; align-items: stretch; }
  .card-body { padding: 12px; }
  .signup form { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cart-line { grid-template-columns: 56px 1fr auto; }
  .cart-line .line-total { grid-column: 2; text-align: left; }
  .shop-filters { width: 100%; }
  .shop-filters input { flex: 1; min-width: 0; }
  section { padding: 52px 0; }
}
@media (max-width: 1000px) and (min-width: 561px) {
  .card-foot { flex-direction: column; align-items: stretch; }
}