@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,wght@0,300;0,400;0,500;1,300&family=DM+Mono:wght@400;500&display=swap');
@import url('https://cdn.jsdelivr.net/npm/@tabler/icons-webfont@latest/tabler-icons.min.css');

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --black:    #0c0c0c;
  --bg:       #111111;
  --surface:  #1a1a1a;
  --surface2: #222222;
  --surface3: #2a2a2a;
  --border:   rgba(255,255,255,0.09);
  --border2:  rgba(255,255,255,0.16);
  --text:     #f2f2f2;
  --sub:      #a0a0a0;
  --muted:    #666666;
  --accent:   #ffffff;
  --accent-dim: rgba(255,255,255,0.06);
  --green:    #4ade80;
  --green-bg: rgba(74,222,128,0.10);
  --amber:    #f59e0b;
  --amber-bg: rgba(245,158,11,0.12);
  --red:      #f87171;
  --red-bg:   rgba(248,113,113,0.10);
  --radius:   5px;
  --font:     'DM Sans', system-ui, sans-serif;
  --mono:     'DM Mono', monospace;
  --shadow:   0 2px 8px rgba(0,0,0,0.4), 0 8px 32px rgba(0,0,0,0.3);
}

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font); font-size: 15px; line-height: 1.65; color: var(--text); background: var(--black); }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font-family: var(--font); cursor: pointer; }

/* ── ANNOUNCE BAR ── */
.announce-bar {
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
  color: var(--sub);
  text-align: center;
  padding: 9px 1rem;
  font-size: 13px;
}
.announce-bar strong { color: var(--text); }

/* ── NAV ── */
nav {
  position: sticky; top: 0; z-index: 200;
  background: rgba(12,12,12,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1160px; margin: 0 auto; padding: 0 2rem;
  height: 60px; display: flex; align-items: center; justify-content: space-between; gap: 2rem;
}
.nav-logo { font-size: 1.05rem; font-weight: 500; letter-spacing: -0.01em; color: var(--text); flex-shrink: 0; }
.nav-logo span {
  display: inline-block; width: 6px; height: 6px;
  background: var(--text); border-radius: 50%;
  margin-left: 2px; vertical-align: middle; position: relative; top: -1px;
}
.nav-links { display: flex; gap: 0.25rem; list-style: none; }
.nav-links a {
  font-size: 14px; color: var(--muted); padding: 6px 12px;
  border-radius: var(--radius); transition: color 0.15s, background 0.15s;
}
.nav-links a:hover { color: var(--text); background: var(--accent-dim); }
.nav-links a.active { color: var(--text); font-weight: 500; }
.nav-right { display: flex; align-items: center; gap: 0.75rem; flex-shrink: 0; }

/* Cart icon button */
.cart-btn {
  display: flex; align-items: center; gap: 8px;
  background: var(--surface2); color: var(--text);
  font-size: 13.5px; font-weight: 500;
  padding: 8px 16px; border-radius: var(--radius);
  border: 1px solid var(--border2); cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  position: relative;
}
.cart-btn:hover { background: var(--surface3); border-color: rgba(255,255,255,0.25); }
.cart-count {
  display: inline-flex; align-items: center; justify-content: center;
  width: 18px; height: 18px; background: var(--text); color: var(--black);
  font-size: 10px; font-weight: 700; border-radius: 50%;
  line-height: 1;
}
.cart-count.hidden { display: none; }

/* ── BUTTONS ── */
.btn-primary {
  display: inline-block; background: var(--text); color: var(--black);
  font-size: 14px; font-weight: 600; padding: 11px 26px;
  border-radius: var(--radius); border: none; transition: opacity 0.15s;
}
.btn-primary:hover { opacity: 0.88; }
.btn-outline {
  display: inline-block; background: transparent; color: var(--text);
  font-size: 14px; font-weight: 500; padding: 10px 22px;
  border-radius: var(--radius); border: 1px solid var(--border2);
  transition: border-color 0.15s, background 0.15s;
}
.btn-outline:hover { border-color: rgba(255,255,255,0.35); background: var(--accent-dim); }
.btn-black {
  display: inline-block; background: var(--text); color: var(--black);
  font-size: 14px; font-weight: 600; padding: 11px 26px;
  border-radius: var(--radius); border: none; cursor: pointer;
  transition: opacity 0.15s;
}
.btn-black:hover { opacity: 0.88; }

/* ── LAYOUT ── */
.container { max-width: 1160px; margin: 0 auto; padding: 0 2rem; }
.section { padding: 72px 0; }
.section-sm { padding: 48px 0; }
.eyebrow {
  display: inline-block; font-size: 11px; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 14px;
}
.section-head { margin-bottom: 2.5rem; }
.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 400;
  letter-spacing: -0.02em; line-height: 1.2; color: var(--text);
}
.section-head p { font-size: 15px; color: var(--sub); margin-top: 0.6rem; max-width: 520px; line-height: 1.7; }
.divider { border: none; border-top: 1px solid var(--border); }

/* ── RUO BANNER ── */
.ruo-banner {
  background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 12px 0;
}
.ruo-banner .container { display: flex; align-items: flex-start; gap: 10px; }
.ruo-banner i { color: var(--muted); font-size: 16px; flex-shrink: 0; margin-top: 2px; }
.ruo-banner p { font-size: 12.5px; color: var(--muted); line-height: 1.55; }
.ruo-banner strong { color: var(--sub); }

/* ── HERO ── */
.hero { padding: 88px 0 80px; background: var(--black); border-bottom: 1px solid var(--border); }
.hero-inner {
  max-width: 1160px; margin: 0 auto; padding: 0 2rem;
  display: grid; grid-template-columns: 1fr 420px; gap: 4rem; align-items: center;
}
.hero-label {
  display: inline-flex; align-items: center; gap: 7px;
  background: var(--surface2); color: var(--sub);
  font-size: 12px; font-weight: 500; letter-spacing: 0.05em; text-transform: uppercase;
  padding: 5px 12px; border-radius: 99px; margin-bottom: 1.25rem;
  border: 1px solid var(--border);
}
.hero-label::before { content: ''; width: 6px; height: 6px; background: var(--green); border-radius: 50%; display: block; }
.hero h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem); font-weight: 400;
  letter-spacing: -0.03em; line-height: 1.1; color: var(--text); margin-bottom: 1.2rem;
}
.hero h1 em { font-style: italic; color: var(--text); }
.hero-sub { font-size: 16px; color: var(--sub); line-height: 1.75; max-width: 480px; margin-bottom: 2rem; }
.hero-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.hero-trust { margin-top: 2rem; display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.trust-item { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--sub); }
.trust-item i { color: var(--green); font-size: 15px; }

/* Hero card */
.hero-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 10px; padding: 24px; display: flex; flex-direction: column; gap: 10px;
}
.hero-card-title { font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
.hero-product-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 14px; background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius); transition: border-color 0.15s;
}
.hero-product-row:hover { border-color: var(--border2); }
.hp-name { font-size: 14px; font-weight: 500; color: var(--text); }
.hp-meta { font-size: 11.5px; color: var(--muted); font-family: var(--mono); }
.hp-price { font-size: 15px; font-weight: 600; color: var(--text); }
.hero-card-cta { text-align: center; font-size: 13px; color: var(--sub); font-weight: 500; padding-top: 4px; }
.hero-card-cta:hover { color: var(--text); }

/* ── STATS STRIP ── */
.stats-strip { padding: 36px 0; border-bottom: 1px solid var(--border); background: var(--surface); }
.stats-grid {
  max-width: 1160px; margin: 0 auto; padding: 0 2rem;
  display: grid; grid-template-columns: repeat(4,1fr);
}
.stat-item { padding: 0 2rem; border-right: 1px solid var(--border); text-align: center; }
.stat-item:first-child { padding-left: 0; text-align: left; }
.stat-item:last-child { border-right: none; }
.stat-num { font-size: 2rem; font-weight: 400; letter-spacing: -0.04em; color: var(--text); line-height: 1; }
.stat-label { font-size: 13px; color: var(--muted); margin-top: 5px; }

/* ── HOW CARDS ── */
.how-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
.how-card { padding: 28px; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); }
.how-num { font-family: var(--mono); font-size: 11px; font-weight: 500; color: var(--muted); letter-spacing: 0.05em; margin-bottom: 14px; }
.how-card h3 { font-size: 15px; font-weight: 500; margin-bottom: 8px; color: var(--text); }
.how-card p { font-size: 13.5px; color: var(--sub); line-height: 1.65; }

/* ── PRODUCT CARDS ── */
.products-bg { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.products-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1rem; }
.product-card {
  background: var(--surface2); border: 1px solid var(--border); border-radius: 10px;
  padding: 20px; transition: box-shadow 0.15s, border-color 0.15s;
  display: flex; flex-direction: column;
}
.product-card:hover { box-shadow: var(--shadow); border-color: var(--border2); }
.product-tag {
  display: inline-block; font-size: 11px; font-weight: 500; letter-spacing: 0.05em;
  text-transform: uppercase; color: var(--muted); background: var(--surface3);
  border: 1px solid var(--border); padding: 3px 9px; border-radius: 99px; margin-bottom: 12px;
}
.product-card h4 { font-size: 15px; font-weight: 500; margin-bottom: 4px; color: var(--text); }
.product-cas { font-family: var(--mono); font-size: 11px; color: var(--muted); margin-bottom: 10px; }
.product-meta { display: flex; gap: 12px; font-size: 12.5px; color: var(--sub); flex-wrap: wrap; }
.product-meta span { display: flex; align-items: center; gap: 4px; }
.product-footer { margin-top: auto; padding-top: 16px; display: flex; align-items: center; justify-content: space-between; }
.product-price { font-size: 1.1rem; font-weight: 600; color: var(--text); }
.product-price span { font-size: 12px; color: var(--muted); font-weight: 400; }
.btn-add {
  background: var(--text); color: var(--black); border: none;
  border-radius: var(--radius); font-size: 13px; font-weight: 600;
  padding: 7px 16px; transition: opacity 0.15s; cursor: pointer;
}
.btn-add:hover { opacity: 0.85; }

/* ── STATUS BADGES ── */
.available-badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--green); background: var(--green-bg);
  border: 1px solid rgba(74,222,128,0.25); padding: 3px 9px; border-radius: 99px;
}
.available-badge::before { content: ''; width: 6px; height: 6px; background: var(--green); border-radius: 50%; display: block; }
.preorder-badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--amber); background: var(--amber-bg);
  border: 1px solid rgba(245,158,11,0.25); padding: 3px 9px; border-radius: 99px;
}
.preorder-badge::before { content: ''; width: 6px; height: 6px; background: var(--amber); border-radius: 50%; display: block; }

/* ── CATALOG PAGE ── */
.catalog-header { padding: 48px 0 32px; border-bottom: 1px solid var(--border); background: var(--black); }
.catalog-header h1 { font-size: clamp(1.8rem,3vw,2.5rem); font-weight: 400; letter-spacing: -0.03em; margin-bottom: 8px; color: var(--text); }
.catalog-header p { font-size: 14.5px; color: var(--sub); }
.catalog-section-title {
  font-size: 11px; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); padding-bottom: 10px; border-bottom: 1px solid var(--border);
  margin-bottom: 1rem; margin-top: 2rem;
}
.catalog-section-title:first-of-type { margin-top: 0; }
.catalog-product-row {
  display: grid; grid-template-columns: 1fr auto; gap: 1.5rem; align-items: center;
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  padding: 20px 22px; text-decoration: none; color: inherit;
  transition: box-shadow 0.15s, border-color 0.15s; margin-bottom: 0.75rem;
}
.catalog-product-row:hover { box-shadow: var(--shadow); border-color: var(--border2); }
.catalog-product-row.preorder-row { background: var(--surface); border-color: rgba(245,158,11,0.18); }
.catalog-product-row.preorder-row:hover { border-color: rgba(245,158,11,0.35); }
.cpr-left { display: flex; flex-direction: column; gap: 7px; }
.cpr-top { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.cpr-name { font-size: 15.5px; font-weight: 600; color: var(--text); }
.cpr-scientific { font-size: 12px; color: var(--muted); font-style: italic; }
.cpr-cas { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.cpr-desc { font-size: 13px; color: var(--sub); line-height: 1.55; max-width: 560px; }
.cpr-meta { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 2px; }
.cpr-meta-item { font-size: 12.5px; color: var(--muted); display: flex; align-items: center; gap: 4px; }
.cpr-right { display: flex; flex-direction: column; align-items: flex-end; gap: 10px; min-width: 130px; }
.cpr-price { font-size: 1.15rem; font-weight: 600; color: var(--text); }
.cpr-price-from { font-size: 11px; color: var(--muted); font-weight: 400; }
.btn-view {
  background: var(--text); color: var(--black); border: none; border-radius: var(--radius);
  font-size: 13px; font-weight: 600; padding: 8px 18px; transition: opacity 0.15s;
  white-space: nowrap; cursor: pointer;
}
.btn-view:hover { opacity: 0.85; }
.btn-preorder {
  background: transparent; color: var(--amber); border: 1px solid rgba(245,158,11,0.4);
  border-radius: var(--radius); font-size: 13px; font-weight: 600;
  padding: 8px 18px; transition: background 0.15s; white-space: nowrap; cursor: pointer;
}
.btn-preorder:hover { background: var(--amber-bg); }
.preorder-note {
  background: var(--surface); border: 1px solid rgba(245,158,11,0.2);
  border-radius: 8px; padding: 14px 18px; font-size: 13px; color: var(--sub);
  margin-bottom: 2rem; display: flex; gap: 10px; align-items: flex-start;
}
.preorder-note i { flex-shrink: 0; margin-top: 1px; color: var(--amber); }

/* ── ABOUT ── */
.about-hero { padding: 72px 0 64px; border-bottom: 1px solid var(--border); }
.about-hero h1 { font-size: clamp(2rem,4vw,3rem); font-weight: 400; letter-spacing: -0.03em; line-height: 1.12; max-width: 640px; margin-bottom: 1.2rem; color: var(--text); }
.about-hero p { font-size: 16px; color: var(--sub); max-width: 540px; line-height: 1.75; }
.values-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 1.25rem; }
.value-card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 28px; }
.value-icon { width: 38px; height: 38px; background: var(--surface2); border: 1px solid var(--border); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: var(--sub); font-size: 18px; margin-bottom: 14px; }
.value-card h3 { font-size: 15px; font-weight: 500; margin-bottom: 6px; color: var(--text); }
.value-card p { font-size: 13.5px; color: var(--sub); line-height: 1.65; }
.process-steps { display: flex; flex-direction: column; }
.process-step { display: grid; grid-template-columns: 40px 1fr; gap: 1.25rem; padding: 24px 0; border-bottom: 1px solid var(--border); }
.process-step:last-child { border-bottom: none; }
.step-num { font-family: var(--mono); font-size: 13px; font-weight: 500; color: var(--muted); padding-top: 2px; }
.step-content h4 { font-size: 15px; font-weight: 500; margin-bottom: 5px; color: var(--text); }
.step-content p { font-size: 13.5px; color: var(--sub); line-height: 1.65; }

/* ── CONTACT ── */
.contact-layout { display: grid; grid-template-columns: 380px 1fr; gap: 4rem; padding: 64px 0; }
.contact-info h1 { font-size: clamp(1.8rem,3vw,2.4rem); font-weight: 400; letter-spacing: -0.03em; line-height: 1.15; margin-bottom: 1rem; color: var(--text); }
.contact-info > p { font-size: 15px; color: var(--sub); line-height: 1.75; margin-bottom: 2rem; }
.contact-channel { display: flex; align-items: flex-start; gap: 12px; padding: 14px 0; border-top: 1px solid var(--border); }
.contact-channel:last-of-type { border-bottom: 1px solid var(--border); }
.channel-icon { width: 34px; height: 34px; background: var(--surface2); border: 1px solid var(--border); border-radius: 7px; display: flex; align-items: center; justify-content: center; color: var(--sub); font-size: 16px; flex-shrink: 0; }
.channel-text strong { display: block; font-size: 13.5px; font-weight: 500; color: var(--text); }
.channel-text span { font-size: 13px; color: var(--sub); }
.channel-text a { color: var(--sub); }
.contact-form-card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 36px; }
.contact-form-card h2 { font-size: 1.3rem; font-weight: 500; letter-spacing: -0.01em; margin-bottom: 1.5rem; color: var(--text); }
.form-row { margin-bottom: 1rem; }
.form-row label { display: block; font-size: 12.5px; font-weight: 500; color: var(--muted); margin-bottom: 6px; }
.form-row input, .form-row textarea, .form-row select {
  width: 100%; background: var(--surface2); border: 1px solid var(--border);
  color: var(--text); padding: 10px 13px; font-size: 14px; font-family: var(--font);
  border-radius: var(--radius); outline: none; transition: border-color 0.15s;
  -webkit-appearance: none;
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus { border-color: var(--border2); }
.form-row input::placeholder, .form-row textarea::placeholder { color: var(--muted); }
.form-row textarea { resize: vertical; min-height: 110px; }
.form-row select option { background: var(--surface2); color: var(--text); }
.form-row-half { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.confirm-row { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 1.25rem; padding: 14px; background: var(--surface2); border: 1px solid var(--border); border-radius: var(--radius); }
.confirm-row input[type=checkbox] { accent-color: var(--text); flex-shrink: 0; margin-top: 2px; }
.confirm-row label { font-size: 12.5px; color: var(--sub); line-height: 1.55; }
.form-success-msg { background: var(--green-bg); border: 1px solid rgba(74,222,128,0.3); color: var(--green); padding: 12px 16px; border-radius: var(--radius); font-size: 13.5px; display: none; margin-top: 1rem; align-items: center; gap: 8px; }
.form-success-msg.visible { display: flex; }
.form-error-msg { background: var(--red-bg); border: 1px solid rgba(248,113,113,0.3); color: var(--red); padding: 12px 16px; border-radius: var(--radius); font-size: 13.5px; display: none; margin-top: 1rem; }
.form-error-msg.visible { display: block; }

/* ── LEGAL ── */
.legal-page { max-width: 760px; margin: 0 auto; padding: 56px 2rem 80px; }
.legal-page h1 { font-size: clamp(1.8rem,3vw,2.4rem); font-weight: 400; letter-spacing: -0.03em; margin-bottom: 6px; color: var(--text); }
.legal-meta { font-size: 13px; color: var(--muted); margin-bottom: 2rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--border); }
.legal-page h2 { font-size: 1.05rem; font-weight: 500; margin: 2rem 0 0.6rem; color: var(--text); }
.legal-page p { font-size: 14px; color: var(--sub); line-height: 1.8; margin-bottom: 0.9rem; }
.legal-page ul { padding-left: 1.4rem; margin-bottom: 0.9rem; }
.legal-page ul li { font-size: 14px; color: var(--sub); line-height: 1.8; margin-bottom: 4px; }
.legal-page a { color: var(--sub); text-decoration: underline; }
.legal-callout { background: var(--surface); border: 1px solid var(--border); border-left: 2px solid var(--muted); border-radius: var(--radius); padding: 14px 18px; margin: 1.5rem 0; }
.legal-callout p { margin: 0; }
.legal-warning-box { background: var(--red-bg); border: 1px solid rgba(248,113,113,0.3); border-radius: var(--radius); padding: 14px 18px; margin: 1.5rem 0; }
.legal-warning-box p { margin: 0; color: var(--red); font-size: 13.5px; }

/* ── CART DRAWER ── */
.cart-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  z-index: 900; opacity: 0; pointer-events: none; transition: opacity 0.25s;
}
.cart-overlay.open { opacity: 1; pointer-events: all; }
.cart-drawer {
  position: fixed; top: 0; right: 0; bottom: 0; width: 420px;
  background: var(--surface); border-left: 1px solid var(--border);
  z-index: 901; transform: translateX(100%); transition: transform 0.3s ease;
  display: flex; flex-direction: column; overflow: hidden;
}
.cart-drawer.open { transform: translateX(0); }
.cart-drawer-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.cart-drawer-header h2 { font-size: 16px; font-weight: 600; color: var(--text); }
.cart-close { background: none; border: none; color: var(--muted); font-size: 22px; cursor: pointer; line-height: 1; padding: 2px; }
.cart-close:hover { color: var(--text); }
.cart-items { flex: 1; overflow-y: auto; padding: 16px 24px; }
.cart-empty { text-align: center; padding: 3rem 1rem; color: var(--muted); }
.cart-empty i { font-size: 2.5rem; margin-bottom: 1rem; display: block; }
.cart-empty p { font-size: 14px; }
.cart-item {
  display: grid; grid-template-columns: 1fr auto; gap: 12px;
  padding: 16px 0; border-bottom: 1px solid var(--border); align-items: start;
}
.cart-item:last-child { border-bottom: none; }
.ci-name { font-size: 14px; font-weight: 500; color: var(--text); margin-bottom: 3px; }
.ci-size { font-size: 12px; color: var(--muted); font-family: var(--mono); margin-bottom: 8px; }
.ci-qty-row { display: flex; align-items: center; gap: 8px; }
.ci-qty-btn { background: var(--surface2); border: 1px solid var(--border); color: var(--text); width: 26px; height: 26px; border-radius: 4px; font-size: 14px; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: border-color 0.15s; }
.ci-qty-btn:hover { border-color: var(--border2); }
.ci-qty { font-size: 13px; color: var(--text); min-width: 20px; text-align: center; }
.ci-remove { font-size: 11px; color: var(--muted); cursor: pointer; margin-left: 4px; }
.ci-remove:hover { color: var(--red); }
.ci-right { text-align: right; }
.ci-price { font-size: 15px; font-weight: 600; color: var(--text); }
.cart-footer { padding: 20px 24px; border-top: 1px solid var(--border); flex-shrink: 0; background: var(--surface); }
.cart-subtotal-row { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; }
.cart-subtotal-label { font-size: 13px; color: var(--sub); }
.cart-subtotal-val { font-size: 1.3rem; font-weight: 600; color: var(--text); }
.cart-shipping-note { font-size: 12px; color: var(--muted); margin-bottom: 16px; }
.cart-shipping-note.free { color: var(--green); }
.btn-checkout { display: block; width: 100%; text-align: center; background: var(--text); color: var(--black); font-size: 15px; font-weight: 600; padding: 14px; border-radius: var(--radius); border: none; cursor: pointer; transition: opacity 0.15s; }
.btn-checkout:hover { opacity: 0.88; }
.btn-continue { display: block; width: 100%; text-align: center; background: transparent; color: var(--sub); font-size: 13.5px; font-weight: 500; padding: 10px; border-radius: var(--radius); border: 1px solid var(--border); cursor: pointer; margin-top: 10px; transition: border-color 0.15s, color 0.15s; }
.btn-continue:hover { border-color: var(--border2); color: var(--text); }

/* ── CHECKOUT PAGE ── */
.checkout-layout { display: grid; grid-template-columns: 1fr 380px; gap: 3rem; padding: 48px 0 80px; align-items: start; }
.checkout-left h2 { font-size: 1.1rem; font-weight: 600; color: var(--text); margin-bottom: 1.25rem; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.checkout-section { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 24px; margin-bottom: 1.25rem; }
.checkout-section-title { font-size: 13px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); margin-bottom: 1.25rem; }
.order-summary-card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 24px; position: sticky; top: 80px; }
.order-summary-card h2 { font-size: 1rem; font-weight: 600; color: var(--text); margin-bottom: 1.25rem; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.summary-item { display: flex; justify-content: space-between; align-items: start; padding: 10px 0; border-bottom: 1px solid var(--border); gap: 1rem; }
.summary-item:last-of-type { border-bottom: none; }
.summary-item-name { font-size: 13.5px; color: var(--text); font-weight: 500; }
.summary-item-size { font-size: 11.5px; color: var(--muted); font-family: var(--mono); margin-top: 2px; }
.summary-item-price { font-size: 13.5px; color: var(--text); font-weight: 600; white-space: nowrap; }
.summary-divider { border: none; border-top: 1px solid var(--border); margin: 12px 0; }
.summary-row { display: flex; justify-content: space-between; font-size: 13.5px; margin-bottom: 8px; }
.summary-row span:first-child { color: var(--sub); }
.summary-row span:last-child { color: var(--text); font-weight: 500; }
.summary-total-row { display: flex; justify-content: space-between; padding-top: 12px; border-top: 1px solid var(--border); margin-top: 4px; }
.summary-total-row span:first-child { font-size: 15px; font-weight: 600; color: var(--text); }
.summary-total-row span:last-child { font-size: 1.2rem; font-weight: 700; color: var(--text); }
.checkout-empty { text-align: center; padding: 4rem 2rem; color: var(--muted); }

/* ── TOAST ── */
.cart-toast {
  position: fixed; bottom: 24px; left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--surface2); color: var(--text); border: 1px solid var(--border);
  font-size: 13.5px; padding: 10px 20px; border-radius: var(--radius);
  box-shadow: var(--shadow); transition: transform 0.25s ease; z-index: 999; white-space: nowrap;
}
.cart-toast.show { transform: translateX(-50%) translateY(0); }

/* ── FOOTER ── */
.site-footer { background: var(--surface); border-top: 1px solid var(--border); padding: 40px 0 32px; }
.footer-inner { max-width: 1160px; margin: 0 auto; padding: 0 2rem; }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 2.5rem; padding-bottom: 32px; border-bottom: 1px solid var(--border); }
.footer-brand p { font-size: 13.5px; color: var(--muted); margin-top: 10px; line-height: 1.65; max-width: 240px; }
.footer-col h4 { font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: 13.5px; color: var(--muted); transition: color 0.15s; }
.footer-col ul li a:hover { color: var(--text); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; flex-wrap: wrap; gap: 1rem; }
.footer-bottom p { font-size: 12.5px; color: var(--muted); }
.footer-ruo { font-size: 11.5px; color: var(--muted); background: var(--surface2); border: 1px solid var(--border); padding: 4px 10px; border-radius: 99px; }

/* ── LOGO ── */
.nav-logo-wrap { display: flex; align-items: center; gap: 0; flex-shrink: 0; }
.nav-logo-wrap img { height: 40px; width: auto; display: block; }
.nav-logo { display: flex; align-items: center; }

/* ── VIAL IMAGE ── */
.vial-wrap {
  display: flex; justify-content: center; align-items: center;
  padding: 2rem 0 1.5rem;
}
.vial-wrap img { width: 200px; height: auto; }
.product-image-section {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 2rem; text-align: center;
  margin-bottom: 2rem;
}
.product-image-section img { width: 180px; height: auto; margin: 0 auto; }

/* ── CHECKOUT CONFIRMATION STYLES ── */
.conf-wrap { max-width: 580px; margin: 0 auto; padding: 4rem 2rem 6rem; }
.conf-check {
  width: 56px; height: 56px; background: var(--green-bg);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; color: var(--green); margin-bottom: 1.25rem;
}


/* ═══════════════════════════════════════════════════
   MOBILE RESPONSIVE STYLES
   Breakpoints: tablet 768px, mobile 480px
   ═══════════════════════════════════════════════════ */

@media (max-width: 768px) {

  /* ── NAV ── */
  .nav-inner { padding: 0 1rem; height: 56px; gap: 0.75rem; }
  .nav-links { display: none; } /* hide text nav on mobile */
  .nav-logo-wrap span { font-size: 0.85rem; }
  .nav-logo-wrap img { height: 30px; width: 30px; }
  .cart-btn { padding: 7px 12px; font-size: 13px; }
  .announce-bar { font-size: 11px; padding: 7px 0.75rem; }

  /* ── HERO ── */
  .hero { padding: 48px 0 40px; }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 0 1.25rem;
  }
  .hero h1 { font-size: 2rem; }
  .hero-sub { font-size: 14px; }
  .hero-actions { flex-direction: column; gap: 0.6rem; }
  .hero-actions .btn-primary,
  .hero-actions .btn-outline { width: 100%; text-align: center; padding: 13px; }
  .hero-trust { gap: 0.75rem; }
  .trust-item { font-size: 12px; }
  .hero-card { margin-top: 0; }

  /* ── STATS STRIP ── */
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
    padding: 0 1.25rem;
  }
  .stat-item { padding: 1rem 0.75rem; border-right: none; border-bottom: 1px solid var(--border); text-align: left; }
  .stat-item:nth-child(odd) { border-right: 1px solid var(--border); }
  .stat-item:nth-child(3), .stat-item:nth-child(4) { border-bottom: none; }
  .stat-num { font-size: 1.6rem; }
  .stat-label { font-size: 12px; }

  /* ── SECTIONS ── */
  .section { padding: 48px 0; }
  .section-sm { padding: 32px 0; }
  .container { padding: 0 1.25rem; }
  .section-head h2 { font-size: 1.6rem; }

  /* ── HOW GRID ── */
  .how-grid { grid-template-columns: 1fr; gap: 1rem; }
  .how-card { padding: 20px; }

  /* ── PRODUCTS GRID ── */
  .products-grid { grid-template-columns: 1fr 1fr; gap: 0.75rem; }
  .products-grid[style*="repeat(2"] { grid-template-columns: 1fr; max-width: 100% !important; }
  .products-grid[style*="repeat(3"] { grid-template-columns: 1fr 1fr; }
  .product-card { padding: 14px; }
  .product-card h4 { font-size: 13.5px; }
  .product-footer { flex-direction: column; gap: 8px; align-items: flex-start; }
  .btn-add { width: 100%; text-align: center; padding: 8px; }

  /* ── CATALOG ── */
  .catalog-header { padding: 32px 1.25rem 20px; }
  .catalog-header h1 { font-size: 1.8rem; }
  .catalog-layout { grid-template-columns: 1fr; }
  .filter-panel { display: none; } /* hide filters on mobile */
  .catalog-product-row {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 16px;
    margin-bottom: 0.6rem;
  }
  .cpr-right { flex-direction: row; justify-content: space-between; align-items: center; }
  .cpr-row-inner { gap: 10px; }
  .cat-vial { width: 48px; }
  .cpr-name { font-size: 14px; }
  .cpr-scientific { display: none; }
  .cpr-desc { font-size: 12.5px; }
  .cpr-meta { gap: 8px; }
  .cpr-meta-item { font-size: 11.5px; }

  /* ── ABOUT ── */
  .about-hero { grid-template-columns: 1fr; gap: 1.5rem; padding: 40px 1.25rem 32px; }
  .about-hero h1 { font-size: 1.8rem; }
  .values-grid { grid-template-columns: 1fr; gap: 0.75rem; }
  .process-step { grid-template-columns: 32px 1fr; gap: 1rem; padding: 18px 0; }

  /* ── CONTACT ── */
  .contact-layout { grid-template-columns: 1fr; gap: 2rem; padding: 40px 0; }
  .contact-form-card { padding: 20px; }
  .form-row-half { grid-template-columns: 1fr; }

  /* ── CHECKOUT ── */
  .checkout-layout { grid-template-columns: 1fr; gap: 1.5rem; padding: 32px 0 48px; }
  .checkout-section { padding: 18px; }
  .order-summary-card { position: static; }
  .payment-options { grid-template-columns: 1fr; gap: 8px; }

  /* ── PRODUCT PAGE ── */
  .product-layout { grid-template-columns: 1fr; gap: 2rem; padding-bottom: 2rem; }
  .product-title { font-size: 1.8rem; }
  .product-cas-row { flex-direction: column; gap: 8px; align-items: flex-start; }
  .order-card { position: static; }
  .size-options { gap: 6px; }
  .related-grid { grid-template-columns: 1fr; gap: 0.75rem; }
  .product-tabs { overflow-x: auto; white-space: nowrap; }
  .tab-btn { padding: 10px 14px; font-size: 13px; }

  /* ── CART DRAWER ── */
  .cart-drawer { width: 100%; }

  /* ── FAQ ── */
  .faq-layout { grid-template-columns: 1fr; gap: 0; padding: 2rem 0 3rem; }
  .faq-nav { display: none; }
  .faq-q { font-size: 13.5px; }

  /* ── FOOTER ── */
  .footer-top { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
  .footer-ruo { font-size: 10.5px; }

  /* ── TRUST BADGES ── */
  .trust-badges-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 1rem !important; }

  /* ── VERIFY PAGE ── */
  .verify-wrap { padding: 1.5rem; }
  .hero-vials { display: none; }
  .verify-card { padding: 1.75rem 1.25rem; }

  /* ── HOME STORAGE SECTION ── */
  div[style*="grid-template-columns:1fr 1fr"] { grid-template-columns: 1fr !important; gap: 1.5rem !important; }

  /* ── BRAND SECTION ── */
  div[style*="grid-template-columns:1fr 1fr"][style*="align-items:center"] { grid-template-columns: 1fr !important; }

  /* ── RUO BANNER ── */
  .ruo-banner p { font-size: 11.5px; }

  /* ── HOMEPAGE TRUST BADGES ── */
  div[style*="repeat(4,1fr)"] { grid-template-columns: repeat(2,1fr) !important; }

}

/* ── EXTRA SMALL SCREENS ── */
@media (max-width: 480px) {

  .hero h1 { font-size: 1.7rem; }
  .products-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .hero-card { padding: 16px; }
  .hp-name { font-size: 13px; }
  .hp-price { font-size: 14px; }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .catalog-product-row { padding: 14px; }
  .cpr-name { font-size: 13.5px; }
  .cart-drawer { width: 100%; }
  .conf-wrap { padding: 2rem 1rem 3rem; }
  .conf-title { font-size: 1.6rem; }
  .conf-handle { font-size: 1.1rem; }
  .checkout-section { padding: 14px; }
  .product-title { font-size: 1.6rem; }
  .order-card { padding: 18px; }

}

/* ── MOBILE NAV HAMBURGER ── */
.mobile-menu-btn {
  display: none;
  background: none; border: none; color: var(--text);
  font-size: 22px; cursor: pointer; padding: 4px;
  flex-shrink: 0;
}
.mobile-nav {
  display: none;
  position: fixed; top: 56px; left: 0; right: 0;
  background: rgba(12,12,12,0.98);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.25rem 1.5rem;
  z-index: 199;
  flex-direction: column; gap: 0;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  display: block; color: var(--sub); font-size: 15px;
  padding: 12px 0; border-bottom: 1px solid var(--border);
  text-decoration: none; font-weight: 500;
}
.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav a:hover { color: var(--text); }

@media (max-width: 768px) {
  .mobile-menu-btn { display: block; }
}