/* ============================================================
   PEPTURA – Design System & Styles
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Sora:wght@600;700;800&display=swap');

/* ── Accessibility ─────────────────────────────────────────── */
.skip-link {
  position: absolute;
  top: -100px;
  left: 12px;
  background: var(--c-primary, #0D1F3C);
  color: #fff;
  padding: 12px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  z-index: 10000;
  transition: top 150ms ease;
}
.skip-link:focus { top: 12px; }

/* ── Variables ─────────────────────────────────────────────── */
:root {
  --c-bg:           #FFFFFF;
  --c-bg-alt:       #F5F7FA;
  --c-bg-dark:      #0D1F3C;
  --c-primary:      #0D1F3C;
  --c-accent:       #E02030;
  --c-accent-light: rgba(224, 32, 48, 0.09);
  --c-accent-dark:  #C01828;
  --c-text:         #0D1F3C;
  --c-text-sec:     #5A6476;
  --c-text-muted:   #9BA6B4;
  --c-border:       #E8ECF0;
  --c-white:        #FFFFFF;
  --c-cream:        #FAF7F1;
  --c-photo-bg:     #F0EEE8;

  --font-body:    'Inter', system-ui, sans-serif;
  --font-display: 'Sora', 'Inter', system-ui, sans-serif;

  --shadow-sm:     0 1px 3px rgba(13,31,60,.06), 0 1px 2px rgba(13,31,60,.04);
  --shadow-md:     0 4px 16px rgba(13,31,60,.09), 0 2px 8px rgba(13,31,60,.04);
  --shadow-lg:     0 12px 40px rgba(13,31,60,.13), 0 4px 16px rgba(13,31,60,.06);
  --shadow-accent: 0 8px 32px rgba(224,32,48,.28);

  --r-sm:   8px;
  --r-md:   12px;
  --r-lg:   16px;
  --r-xl:   24px;
  --r-full: 9999px;

  --t-fast: 150ms ease;
  --t-base: 250ms ease;
  --t-slow: 400ms ease;

  --max-w:  1200px;
  --nav-h:  72px;
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, video { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul, ol { list-style: none; }
input, select, textarea { font-family: inherit; }

/* ── Typography ─────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.022em;
}
.display-1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }

/* ── Layout ─────────────────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
@media (max-width: 640px) { .container { padding: 0 16px; } }

.section      { padding: 88px 0; }
.section-alt  { background: var(--c-bg-alt); }

/* ── Navbar ─────────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--c-border);
  z-index: 1000;
  transition: box-shadow var(--t-base);
}
.navbar.scrolled { box-shadow: var(--shadow-md); }

.navbar .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--c-primary);
  flex-shrink: 0;
}
.logo-dot {
  width: 8px; height: 8px;
  background: var(--c-accent);
  border-radius: 50%;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--c-text-sec);
  padding: 7px 14px;
  border-radius: var(--r-sm);
  transition: all var(--t-fast);
  white-space: nowrap;
}
.nav-link:hover { color: var(--c-primary); background: var(--c-bg-alt); }
.nav-link.active { color: var(--c-primary); font-weight: 600; }

.nav-actions { display: flex; align-items: center; gap: 12px; }

.nav-search-wrap { position: relative; }
.nav-search-toggle {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  font-size: 0.95rem;
  color: var(--c-text-sec);
  transition: background var(--t-fast), color var(--t-fast);
}
.nav-search-toggle:hover { background: var(--c-bg-alt); color: var(--c-primary); }
.nav-search-form {
  display: none;
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 200;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  padding: 8px;
}
.nav-search-form.open { display: block; }
.nav-search-input {
  width: 240px;
  font-size: 0.9rem;
  padding: 10px 12px;
  border-radius: var(--r-sm);
  border: 1px solid var(--c-border);
  background: var(--c-bg-alt);
}
.nav-search-input:focus { outline: none; border-color: var(--c-primary); }

.nav-cta { white-space: nowrap; }

.mobile-nav-search {
  display: flex; gap: 8px;
  margin-bottom: 8px;
}
.mobile-nav-search-input {
  flex: 1;
  font-size: 0.95rem;
  padding: 12px 14px;
  border-radius: var(--r-md);
  border: 1px solid var(--c-border);
  background: var(--c-bg-alt);
}
.mobile-nav-search-input:focus { outline: none; border-color: var(--c-primary); }
.mobile-nav-search button {
  width: 44px; flex-shrink: 0;
  border-radius: var(--r-md);
  background: var(--c-primary);
  color: var(--c-white);
  font-size: 1rem;
}

.lang-switch {
  display: flex;
  align-items: center;
  background: var(--c-bg-alt);
  border-radius: var(--r-full);
  padding: 3px;
  gap: 2px;
}
.lang-btn {
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 11px;
  border-radius: var(--r-full);
  color: var(--c-text-muted);
  transition: all var(--t-fast);
  letter-spacing: 0.04em;
}
.lang-btn.active {
  background: var(--c-white);
  color: var(--c-primary);
  box-shadow: var(--shadow-sm);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--r-sm);
  transition: background var(--t-fast);
}
.hamburger:hover { background: var(--c-bg-alt); }
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--c-primary);
  border-radius: 2px;
  transition: all var(--t-base);
}

.mobile-nav {
  display: none;
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: var(--c-white);
  border-bottom: 1px solid var(--c-border);
  padding: 12px 20px 20px;
  z-index: 999;
  flex-direction: column;
  gap: 4px;
  box-shadow: var(--shadow-lg);
}
.mobile-nav.open { display: flex; }
.mobile-nav-link {
  font-size: 1rem;
  font-weight: 500;
  color: var(--c-text);
  padding: 12px 16px;
  border-radius: var(--r-md);
  transition: background var(--t-fast);
}
.mobile-nav-link:hover { background: var(--c-bg-alt); }

@media (max-width: 900px) {
  .nav-links  { display: none; }
  .hamburger  { display: flex; }
  .nav-search-wrap { display: none; }
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: var(--r-md);
  border: 1.5px solid transparent;
  transition: all var(--t-base);
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: var(--c-primary);
  color: var(--c-white);
  border-color: var(--c-primary);
}
.btn-primary:hover {
  background: #1a3460;
  border-color: #1a3460;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-accent {
  background: var(--c-accent);
  color: var(--c-white);
  border-color: var(--c-accent);
}
.btn-accent:hover {
  background: var(--c-accent-dark);
  border-color: var(--c-accent-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-accent);
}
.btn-outline {
  background: transparent;
  color: var(--c-primary);
  border-color: var(--c-border);
}
.btn-outline:hover {
  background: var(--c-bg-alt);
  border-color: var(--c-primary);
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent;
  color: var(--c-text-sec);
  border-color: transparent;
}
.btn-ghost:hover { background: var(--c-bg-alt); color: var(--c-primary); }

.btn-sm  { font-size: .875rem; padding: 8px 16px; }
.btn-lg  { font-size: 1rem; padding: 14px 32px; border-radius: var(--r-lg); }
.w-full  { width: 100%; justify-content: center; }

/* ── Badges ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--r-full);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.badge-accent  { background: var(--c-accent-light); color: var(--c-accent-dark); }
.badge-neutral { background: var(--c-bg-alt); color: var(--c-text-sec); }
.badge-pending { background: #FEF3C7; color: #D97706; }

/* ── Section Header ─────────────────────────────────────────── */
.section-header      { text-align: center; margin-bottom: 56px; }
.section-eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin-bottom: 12px;
}
.section-title   { font-size: clamp(1.75rem, 3.5vw, 2.25rem); margin-bottom: 16px; }
.section-subtitle {
  font-size: 1.05rem;
  color: var(--c-text-sec);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.75;
}

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  padding: calc(var(--nav-h) + 80px) 0 88px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -180px; right: -180px;
  width: 560px; height: 560px;
  background: radial-gradient(circle, rgba(0,196,160,.09) 0%, transparent 70%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -120px; left: -120px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(13,31,60,.05) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-badge { margin-bottom: 20px; }
.hero-title {
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.hero-title .accent { color: var(--c-accent); }
.hero-subtitle {
  font-size: 1.1rem;
  color: var(--c-text-sec);
  line-height: 1.75;
  margin-bottom: 32px;
  max-width: 460px;
}
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.stat-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 20px 24px;
  box-shadow: var(--shadow-sm);
}
.stat-card:nth-child(even) { transform: translateY(14px); }
.stat-value {
  font-family: var(--font-display);
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--c-primary);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 4px;
}
.stat-value .a { color: var(--c-accent); }
.stat-label { font-size: 0.8rem; color: var(--c-text-sec); font-weight: 500; }

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { order: -1; }
  .hero-stats { max-width: 400px; margin: 0 auto; }
}

/* ── Peptide Cards ──────────────────────────────────────────── */
.peptide-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
@media (max-width: 1100px) { .peptide-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 600px)  { .peptide-grid { grid-template-columns: 1fr; } }

.peptide-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  overflow: hidden;
  transition: all var(--t-slow);
}
.peptide-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
  border-color: transparent;
}
.peptide-visual {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.peptide-visual svg { width: 80px; height: 80px; }
.peptide-visual svg.vial-svg { width: 62px; height: 150px; filter: drop-shadow(0 6px 10px rgba(13,31,60,.12)); }

.pv-blue   { background: linear-gradient(135deg,#E8F4FF,#D1E9FF); }
.pv-orange { background: linear-gradient(135deg,#FFF3E8,#FFE4C8); }
.pv-teal   { background: linear-gradient(135deg,#E6FFF9,#C8F5EC); }
.pv-purple { background: linear-gradient(135deg,#F3E8FF,#E5C8FF); }
.pv-pink   { background: linear-gradient(135deg,#FDF2F8,#FBCFE8); }
.pv-indigo { background: linear-gradient(135deg,#EEF2FF,#C7D2FE); }
.pv-amber  { background: linear-gradient(135deg,#FFFBEB,#FDE68A); }
.pv-slate  { background: linear-gradient(135deg,#F1F5F9,#E2E8F0); }

.peptide-body { padding: 20px 22px 24px; }
.peptide-tag {
  font-size: 0.69rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-text-muted);
  margin-bottom: 8px;
}
.peptide-name {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}
.peptide-desc {
  font-size: 0.855rem;
  color: var(--c-text-sec);
  line-height: 1.65;
  margin-bottom: 14px;
}
.peptide-meta { display: flex; gap: 6px; flex-wrap: wrap; }

/* ── Trust Cards ────────────────────────────────────────────── */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 768px) { .trust-grid { grid-template-columns: 1fr; } }

.trust-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  padding: 32px 28px;
  text-align: center;
  transition: all var(--t-base);
}
.trust-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.trust-icon {
  width: 56px; height: 56px;
  background: var(--c-accent-light);
  border-radius: var(--r-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.5rem;
}
.trust-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 12px; }
.trust-text  { font-size: 0.9rem; color: var(--c-text-sec); line-height: 1.7; }

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 760px;
  margin: 0 auto;
}
@media (max-width: 640px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  padding: 36px 30px;
  text-align: center;
  transition: all var(--t-base);
  display: flex; flex-direction: column; align-items: center;
}
.contact-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.contact-icon {
  width: 60px; height: 60px;
  background: var(--c-accent-light);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  font-size: 1.7rem;
}
.contact-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; }
.contact-text { font-size: 0.9rem; color: var(--c-text-sec); line-height: 1.7; margin-bottom: 22px; }
.contact-meta { font-size: 0.78rem; color: var(--c-text-muted); margin-top: 14px; }

/* ── Lab Cards ──────────────────────────────────────────────── */
.lab-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 20px;
}
@media (max-width: 900px) { .lab-grid { grid-template-columns: 1fr; } }

.lab-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  padding: 24px 26px;
  transition: all var(--t-base);
}
.lab-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }

.lab-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 14px;
}
.status-dot { width: 7px; height: 7px; border-radius: 50%; }
.s-verified   { color: #059669; }
.s-verified   .status-dot { background: #10B981; }
.s-pending    { color: #D97706; }
.s-pending    .status-dot { background: #F59E0B; animation: pulse 2s infinite; }
.s-mfr        { color: var(--c-text-sec); }
.s-mfr        .status-dot { background: var(--c-text-muted); }

.lab-peptide  { font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }
.lab-batch    { font-size: 0.8rem; color: var(--c-text-muted); font-family: monospace; margin-bottom: 14px; }
.lab-meta     { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 16px; }
.lab-meta-item label { display: block; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--c-text-muted); font-weight: 700; margin-bottom: 3px; }
.lab-meta-item span  { font-size: 0.9rem; font-weight: 600; color: var(--c-text); }
.lab-meta-item.good span { color: #059669; }

/* ── Calculator ──────────────────────────────────────────────── */
.calc-wrap {
  max-width: 640px;
  margin: 0 auto;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  padding: 40px;
  box-shadow: var(--shadow-md);
}
.calc-step { margin-bottom: 28px; }
.calc-step-label {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--c-text);
  margin-bottom: 12px;
}
.calc-step-num {
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--c-primary);
  color: var(--c-white);
  font-size: 0.75rem;
  font-weight: 700;
}
.calc-pills { display: flex; gap: 8px; flex-wrap: wrap; }
.calc-pill {
  font-size: 0.88rem;
  font-weight: 600;
  padding: 10px 16px;
  border-radius: var(--r-full);
  border: 1.5px solid var(--c-border);
  background: var(--c-white);
  color: var(--c-text-sec);
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
  cursor: pointer;
}
.calc-pill:hover { border-color: var(--c-primary); color: var(--c-primary); }
.calc-pill.active { background: var(--c-primary); border-color: var(--c-primary); color: var(--c-white); }
.calc-pill-custom { border-style: dashed; }
.calc-custom-input {
  margin-top: 10px;
  width: 140px;
  padding: 10px 14px;
  font-size: 0.9rem;
  border: 1.5px solid var(--c-accent);
  border-radius: var(--r-md);
  background: var(--c-bg-alt);
  outline: none;
}

.calc-result-box {
  background: var(--c-bg-alt);
  border-radius: var(--r-lg);
  padding: 28px;
  text-align: center;
}
.calc-syringe-svg {
  display: block;
  width: 100%;
  max-width: 440px;
  height: auto;
  margin: 0 auto 20px;
}
.calc-syringe-svg #calc-syringe-fill,
.calc-syringe-svg #calc-syringe-plunger {
  transition: width var(--t-base), transform var(--t-base);
}
.calc-tick-line { stroke: #CBD5DE; stroke-width: 1; }
.calc-tick-line.major { stroke: #9BA6B4; stroke-width: 1.5; }
.calc-tick-label { font-size: 8px; font-weight: 600; fill: var(--c-text-muted); text-anchor: middle; }
.calc-result-sentence { font-size: 1.15rem; line-height: 1.6; margin-bottom: 4px; }
.calc-result-sentence strong { color: var(--c-accent); }
.calc-result-sub { font-size: 0.85rem; color: var(--c-text-muted); }
.calc-warning {
  margin-top: 16px;
  padding: 12px 16px;
  background: var(--c-accent-light);
  border-radius: var(--r-md);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--c-accent-dark);
}
.calc-note {
  margin-top: 20px;
  padding: 14px 16px;
  background: #FEF3C7;
  border-radius: var(--r-md);
  font-size: 0.85rem;
  color: #92400E;
  line-height: 1.6;
}

/* ── FAQ ─────────────────────────────────────────────────────── */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.faq-item {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: border-color var(--t-fast);
}
.faq-item.open { border-color: var(--c-accent); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  font-size: 0.975rem;
  font-weight: 600;
  color: var(--c-text);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  gap: 14px;
  transition: color var(--t-fast);
}
.faq-q:hover { color: var(--c-accent); }
.faq-icon {
  width: 26px; height: 26px;
  min-width: 26px;
  background: var(--c-bg-alt);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  color: var(--c-text-sec);
  transition: all var(--t-base);
}
.faq-item.open .faq-icon {
  background: var(--c-accent);
  color: #fff;
  transform: rotate(45deg);
}
.faq-a { max-height: 0; overflow: hidden; transition: max-height var(--t-slow); }
.faq-a-inner {
  padding: 0 22px 18px;
  font-size: 0.925rem;
  color: var(--c-text-sec);
  line-height: 1.75;
}

/* ── Blog Cards ──────────────────────────────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 24px;
}
@media (max-width: 900px) { .blog-grid { grid-template-columns: 1fr; } }

.blog-card {
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  overflow: hidden;
  background: var(--c-white);
  transition: all var(--t-base);
}
.blog-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }

.blog-img {
  height: 200px;
  position: relative;
  overflow: hidden;
}
.blog-img-inner {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  transition: transform var(--t-slow);
}
.blog-card:hover .blog-img-inner { transform: scale(1.06); }

.bi-blue   { background: linear-gradient(135deg,#EFF6FF,#DBEAFE); }
.bi-orange { background: linear-gradient(135deg,#FFF7ED,#FFEDD5); }
.bi-teal   { background: linear-gradient(135deg,#ECFDF5,#D1FAE5); }
.bi-purple { background: linear-gradient(135deg,#F5F3FF,#EDE9FE); }

.blog-body { padding: 20px 22px 24px; }
.blog-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--c-text-muted);
  margin-bottom: 10px;
}
.blog-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--c-text-muted); }
.blog-card h3 { font-size: 1.05rem; margin-bottom: 10px; line-height: 1.4; }
.blog-card p  { font-size: 0.87rem; color: var(--c-text-sec); line-height: 1.65; }

/* ── Page Header ─────────────────────────────────────────────── */
.page-header {
  padding: calc(var(--nav-h) + 60px) 0 60px;
  background: var(--c-bg-alt);
  border-bottom: 1px solid var(--c-border);
  text-align: center;
}
.page-header h1 { font-size: clamp(2rem, 4vw, 2.75rem); margin-bottom: 14px; }
.page-header .sub { font-size: 1.05rem; color: var(--c-text-sec); max-width: 560px; margin: 0 auto; line-height: 1.75; }

/* ── Quality Steps ───────────────────────────────────────────── */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 20px;
}
@media (max-width: 900px) { .steps-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 560px) { .steps-grid { grid-template-columns: 1fr; } }

.step-card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-xl);
  padding: 28px 24px;
  text-align: center;
  transition: all var(--t-base);
  position: relative;
}
.step-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.step-num {
  width: 40px; height: 40px;
  background: var(--c-accent-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--c-accent-dark);
}
.step-icon { font-size: 2rem; margin-bottom: 14px; }
.step-card h3 { font-size: 1rem; margin-bottom: 10px; }
.step-card p  { font-size: 0.855rem; color: var(--c-text-sec); line-height: 1.65; }

/* ── Disclaimer Modal ────────────────────────────────────────── */
.disclaimer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(13,31,60,.75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: fadeIn .35s ease;
}
.disclaimer-box {
  background: var(--c-white);
  border-radius: var(--r-xl);
  padding: 44px 40px;
  max-width: 500px;
  width: 100%;
  box-shadow: 0 40px 80px rgba(13,31,60,.35);
  animation: slideUp .4s ease;
}
.disc-icon { font-size: 2.6rem; text-align: center; margin-bottom: 16px; }
.disclaimer-box h2 { text-align: center; font-size: 1.5rem; margin-bottom: 14px; }
.disclaimer-box > p {
  font-size: 0.94rem;
  color: var(--c-text-sec);
  line-height: 1.75;
  text-align: center;
  margin-bottom: 28px;
}
.disc-actions { display: flex; flex-direction: column; gap: 10px; }
.disc-note {
  font-size: 0.78rem;
  color: var(--c-text-muted);
  text-align: center;
  margin-top: 16px;
  line-height: 1.6;
}

/* ── Footer ──────────────────────────────────────────────────── */
.footer {
  background: var(--c-bg-dark);
  color: rgba(255,255,255,.82);
  padding: 72px 0 36px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
}
.footer-logo span { color: var(--c-accent); }
.footer-tagline {
  font-size: 0.88rem;
  color: rgba(255,255,255,.45);
  line-height: 1.75;
}
.footer-contact { display: flex; flex-direction: column; gap: 10px; margin-top: 18px; }
.footer-contact-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.85rem; font-weight: 600;
  color: rgba(255,255,255,.75);
  transition: color var(--t-fast);
  width: fit-content;
}
.footer-contact-link:hover { color: var(--c-accent); }
.footer-col h4 {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.35);
  margin-bottom: 18px;
}
.footer-links { display: flex; flex-direction: column; gap: 12px; }
.footer-link { font-size: 0.88rem; color: rgba(255,255,255,.6); transition: color var(--t-fast); }
.footer-link:hover { color: var(--c-accent); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-copy { font-size: 0.8rem; color: rgba(255,255,255,.3); }
.footer-disc { font-size: 0.8rem; color: rgba(255,255,255,.3); max-width: 520px; text-align: right; line-height: 1.5; }

/* ── Animations ──────────────────────────────────────────────── */
@keyframes fadeIn  { from { opacity: 0; }           to { opacity: 1; } }
@keyframes slideUp { from { transform: translateY(24px); } to { transform: none; } }
@keyframes pulse   { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .65s ease, transform .65s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* stagger children */
.reveal:nth-child(2) { transition-delay: .1s; }
.reveal:nth-child(3) { transition-delay: .18s; }
.reveal:nth-child(4) { transition-delay: .26s; }

/* ── Utilities ───────────────────────────────────────────────── */
.text-center  { text-align: center; }
.text-sec     { color: var(--c-text-sec); }
.text-accent  { color: var(--c-accent); }
.mt-2  { margin-top: 8px;  }
.mt-4  { margin-top: 16px; }
.mt-6  { margin-top: 24px; }
.mt-8  { margin-top: 32px; }
.mb-2  { margin-bottom: 8px;  }
.mb-4  { margin-bottom: 16px; }
.mb-6  { margin-bottom: 24px; }
.mb-8  { margin-bottom: 32px; }
.divider { height: 1px; background: var(--c-border); margin: 32px 0; }
.pill-row { display: flex; gap: 8px; flex-wrap: wrap; }

/* ── Products ────────────────────────────────────────────────── */
.search-row { margin-bottom: 20px; }
.search-box {
  position: relative;
  max-width: 480px;
}
.search-icon {
  position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
  font-size: 0.95rem;
  pointer-events: none;
}
.search-input {
  width: 100%;
  font-size: 0.95rem;
  padding: 13px 16px 13px 42px;
  border-radius: var(--r-md);
  border: 1px solid var(--c-border);
  background: var(--c-white);
  transition: border-color var(--t-fast);
}
.search-input:focus { outline: none; border-color: var(--c-primary); }
.search-empty {
  text-align: center;
  color: var(--c-text-sec);
  font-size: 0.95rem;
  padding: 48px 20px;
  background: var(--c-bg-alt);
  border-radius: var(--r-lg);
}

.filter-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
}
.filter-pills-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  flex: 1;
  min-width: 0;
}
.filter-pills-scroll::-webkit-scrollbar { display: none; }
.filter-pills { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-pill {
  font-size: 0.85rem;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: var(--r-full);
  border: 1px solid var(--c-border);
  background: var(--c-white);
  color: var(--c-text-sec);
  white-space: nowrap;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}
.filter-pill:hover  { border-color: var(--c-primary); color: var(--c-primary); }
.filter-pill.active { background: var(--c-primary); border-color: var(--c-primary); color: var(--c-white); }
.product-count { font-size: 0.85rem; color: var(--c-text-muted); font-weight: 600; white-space: nowrap; }
.product-card.is-hidden { display: none; }

.load-more-row { display: flex; justify-content: center; margin-top: 36px; }
.load-more-count-inline { color: var(--c-text-muted); font-weight: 500; }

@media (max-width: 640px) {
  .filter-pills { flex-wrap: nowrap; }
  .filter-row { flex-direction: column; align-items: stretch; }
  .product-count { text-align: right; }
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 22px;
}
.product-card {
  display: block;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--t-base), transform var(--t-base);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}
.product-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.product-card-photo {
  display: flex; align-items: center; justify-content: center;
  height: 260px;
  margin-bottom: 18px;
}
.product-card-photo img { max-width: 100%; max-height: 100%; object-fit: contain; filter: drop-shadow(0 12px 16px rgba(13,31,60,.16)); }
.product-card-dose { font-size: 0.92rem; color: var(--c-text-sec); margin-bottom: 4px; }
.product-card-cta { border-top: 1px solid rgba(13,31,60,.08); padding-top: 16px; margin-top: 16px; }
.btn-pill {
  border-radius: var(--r-full);
  background: var(--c-primary);
  border-color: var(--c-primary);
  color: var(--c-white);
  font-weight: 700;
}
.btn-pill:hover { background: #1a3460; border-color: #1a3460; }

.cat-pill {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--r-full);
  padding: 7px 14px 7px 12px;
  margin-bottom: 16px;
}
.cat-pill .cat-dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }

.cat-pill.pv-blue   { background: #DBEAFE; color: #1D4ED8; }
.cat-pill.pv-blue   .cat-dot { background: #3B82F6; }
.cat-pill.pv-teal   { background: #CCFBEF; color: #0F766E; }
.cat-pill.pv-teal   .cat-dot { background: #10B981; }
.cat-pill.pv-pink   { background: #FCE7F3; color: #BE185D; }
.cat-pill.pv-pink   .cat-dot { background: #EC4899; }
.cat-pill.pv-purple { background: #EDE1FF; color: #7C3AED; }
.cat-pill.pv-purple .cat-dot { background: #8B5CF6; }
.cat-pill.pv-indigo { background: #E0E4FF; color: #4338CA; }
.cat-pill.pv-indigo .cat-dot { background: #6366F1; }
.cat-pill.pv-amber  { background: #FEF3C7; color: #92400E; }
.cat-pill.pv-amber  .cat-dot { background: #F59E0B; }
.cat-pill.pv-slate  { background: #E2E8F0; color: #334155; }
.cat-pill.pv-slate  .cat-dot { background: #64748B; }

.product-name { font-size: 1.05rem; margin-bottom: 14px; line-height: 1.3; }
.variant-badges { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 18px; }
.v-badge {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--c-primary);
  background: var(--c-bg-alt);
  border: 1px solid var(--c-border);
  border-radius: var(--r-full);
  padding: 4px 12px;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 40px;
  align-items: start;
}
@media (max-width: 760px) { .product-detail-grid { grid-template-columns: 1fr; } }
.product-photo-placeholder {
  aspect-ratio: 1 / 1;
  border-radius: var(--r-lg);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  box-sizing: border-box;
  overflow: hidden;
  background: var(--c-photo-bg);
}
.product-photo-placeholder .vial-hero-svg { width: 100%; height: 100%; max-width: 260px; }
.product-photo-placeholder .product-photo-real { width: 100%; height: 100%; object-fit: contain; filter: drop-shadow(0 14px 20px rgba(13,31,60,.14)); }
.variant-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 10px;
}
.variant-item {
  background: var(--c-bg-alt);
  border-radius: var(--r-md);
  padding: 12px 14px;
  display: flex; flex-direction: column; gap: 2px;
}
.variant-amount { font-size: 1rem; font-weight: 700; color: var(--c-primary); }
.variant-lbl { font-size: 0.72rem; color: var(--c-text-muted); }
.back-link {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--c-text-sec);
  transition: color var(--t-fast);
}
.back-link:hover { color: var(--c-accent); }

/* ── Product Detail Page ─────────────────────────────────────── */
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.85rem; color: var(--c-text-muted);
  padding: calc(var(--nav-h) + 20px) 0 0;
}
.breadcrumb a { color: var(--c-text-sec); transition: color var(--t-fast); }
.breadcrumb a:hover { color: var(--c-accent); }

.product-hero-grid {
  display: grid;
  grid-template-columns: minmax(260px, 400px) 1fr;
  gap: 44px;
  align-items: start;
  margin-bottom: 56px;
}
@media (max-width: 760px) { .product-hero-grid { grid-template-columns: 1fr; } }

.cat-badge {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 0.75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--c-text-sec);
  background: var(--c-bg-alt);
  border-radius: var(--r-full);
  padding: 6px 14px;
  margin-bottom: 16px;
}
.cat-badge .status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--c-accent); }
.product-hero-name { font-size: clamp(1.9rem, 4vw, 2.4rem); margin-bottom: 22px; }
.product-hero-name .accent-dot { color: var(--c-accent); }

.info-box {
  background: var(--c-bg-alt);
  border-radius: var(--r-lg);
  padding: 20px;
  margin-bottom: 18px;
}
.info-box-divider { height: 1px; background: var(--c-border); margin: 16px 0; }
.info-label {
  display: block;
  font-size: 0.72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--c-text-muted);
  margin-bottom: 10px;
}
.hero-meta-line { font-size: 0.9rem; color: var(--c-text-sec); margin-bottom: 18px; }
.hero-meta-line strong { color: var(--c-text); }

.research-notice {
  display: flex; align-items: flex-start; gap: 12px;
  background: var(--c-accent-light);
  border: 1px solid rgba(224,32,48,.14);
  border-left: 3px solid var(--c-accent);
  border-radius: var(--r-md);
  padding: 14px 16px;
  margin-bottom: 22px;
}
.research-notice .rn-icon {
  flex-shrink: 0;
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  background: var(--c-white);
  border-radius: 50%;
  font-size: 0.95rem;
  box-shadow: var(--shadow-sm);
}
.research-notice .rn-text { display: flex; flex-direction: column; gap: 3px; }
.research-notice .rn-lead {
  font-size: 0.86rem; font-weight: 700;
  color: var(--c-accent-dark);
  letter-spacing: 0.01em;
  line-height: 1.4;
}
.research-notice .rn-sub {
  font-size: 0.8rem; font-weight: 400;
  color: var(--c-text-sec);
  line-height: 1.5;
}

/* Tabs */
.tab-nav { display: flex; gap: 4px; border-bottom: 1px solid var(--c-border); margin-bottom: 36px; flex-wrap: wrap; }
.tab-btn {
  font-size: 0.9rem; font-weight: 600;
  color: var(--c-text-sec);
  padding: 12px 18px;
  border-bottom: 2px solid transparent;
  transition: color var(--t-fast), border-color var(--t-fast);
}
.tab-btn:hover { color: var(--c-primary); }
.tab-btn.active { color: var(--c-primary); border-bottom-color: var(--c-accent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.tab-overview-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 40px; align-items: start; }
@media (max-width: 760px) { .tab-overview-grid { grid-template-columns: 1fr; } }
.tab-overview-grid h2 { font-size: 1.4rem; margin-bottom: 16px; }
.tab-overview-grid p { color: var(--c-text-sec); line-height: 1.75; font-size: 0.95rem; }

.info-callout {
  background: var(--c-bg-alt);
  border-radius: var(--r-lg);
  padding: 20px;
}
.info-callout h4 { font-size: 0.95rem; margin-bottom: 10px; }
.info-callout p { font-size: 0.85rem; color: var(--c-text-sec); line-height: 1.65; }

.article-cta {
  background: var(--c-bg-alt);
  border-radius: var(--r-lg);
  padding: 24px 28px;
  margin: 32px 0;
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; flex-wrap: wrap;
}
.article-cta h4 { font-size: 1rem; margin-bottom: 4px; }
.article-cta p { font-size: 0.85rem; color: var(--c-text-sec); }
.article-cta-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.profile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 22px 32px;
}
.profile-item label {
  display: block;
  font-size: 0.72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--c-text-muted);
  margin-bottom: 5px;
}
.profile-item span { font-size: 0.95rem; font-weight: 600; color: var(--c-text); }
.profile-item a { color: var(--c-accent); }

.studies-box { background: var(--c-bg-alt); border-radius: var(--r-lg); padding: 24px; }
.studies-box h3 { font-size: 1.1rem; margin-bottom: 14px; }
.studies-box p { color: var(--c-text-sec); line-height: 1.75; font-size: 0.92rem; }
.studies-list li { color: var(--c-text-sec); font-size: 0.88rem; }

.use-callout {
  background: var(--c-bg-alt);
  border-left: 3px solid var(--c-accent);
  border-radius: var(--r-md);
  padding: 16px 18px;
  margin-top: 18px;
}
.use-callout h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 8px; color: var(--c-primary); }
.use-callout p { font-size: 0.92rem; color: var(--c-text-sec); line-height: 1.7; }

.similar-section { margin-top: 12px; }
.similar-section h3 { font-size: 1.15rem; margin-bottom: 16px; }
.similar-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; }
.similar-card {
  display: flex; flex-direction: column; gap: 8px;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  padding: 16px;
  transition: box-shadow var(--t-base), transform var(--t-base);
}
.similar-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.similar-card .similar-name { font-size: 0.95rem; font-weight: 700; color: var(--c-text); }
.similar-card .similar-arrow { font-size: 0.8rem; color: var(--c-accent); font-weight: 600; }

.article-hero { max-width: 760px; margin: 0 auto 40px; text-align: center; }
.article-hero .blog-meta { justify-content: center; margin-bottom: 14px; }
.article-hero h1 { font-size: 2rem; line-height: 1.25; margin-bottom: 14px; }
.article-hero .sub { color: var(--c-text-sec); font-size: 1.05rem; line-height: 1.7; }
.article-body { max-width: 720px; margin: 0 auto; }
.article-body h2 { font-size: 1.35rem; margin: 40px 0 14px; }
.article-body h2:first-child { margin-top: 0; }
.article-body p { color: var(--c-text-sec); line-height: 1.8; font-size: 0.98rem; margin-bottom: 16px; }
.article-body .info-callout { margin: 28px 0; }
.article-body .studies-box { margin-top: 32px; }