/* ==========================================================================
   Apex Peptides — Design System
   Dark-luxury biotech: near-black surfaces, electric-cyan accent, mono for
   data. One accent color, used with restraint — status colors (success/
   danger) are functional, not decorative, and never compete with it.
   ========================================================================== */

:root {
  /* Surfaces */
  --bg: #050505;
  --bg-secondary: #101010;
  --bg-elevated: #171717;
  --bg-elevated-hover: #1e1e1e;
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.16);

  /* Text */
  --text-primary: #ffffff;
  --text-secondary: #9ca3af;
  --text-tertiary: rgba(156, 163, 175, 0.55);

  /* Accent — electric cyan, the one brand color */
  --accent: #00d4ff;
  --accent-hover: #33ddff;
  --accent-on: #050505; /* text/icon color when sitting ON a filled accent surface — #fff on accent is 1.77:1, fails AA */
  --accent-tint: rgba(0, 212, 255, 0.1);
  --accent-tint-strong: rgba(0, 212, 255, 0.18);
  --accent-glow: rgba(0, 212, 255, 0.45);

  /* Functional status colors (not decoration — pending/paid/error states) */
  --success: #34d399;
  --success-tint: rgba(52, 211, 153, 0.12);
  --danger: #f87171;
  --danger-tint: rgba(248, 113, 113, 0.12);

  /* Type — display face carries headline personality, body face stays quiet
     and legible, mono face marks anything measured (specs, prices, data). */
  --font-display: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 5rem;
  --space-9: 7.5rem;

  /* Layout */
  --container-max: 1240px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 999px;
  --border-w: 1px solid var(--border);
  --border: rgba(255, 255, 255, 0.08);

  /* Elevation — dark surfaces need deeper, blacker shadows for depth (a
     light-mode-style soft shadow just disappears against #050505) plus an
     optional accent glow for interactive/hover states. */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 16px 40px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 32px 80px rgba(0, 0, 0, 0.6);
  --glow-accent: 0 0 0 1px rgba(0, 212, 255, 0.3), 0 8px 32px rgba(0, 212, 255, 0.25);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 200ms;
  --dur-med: 350ms;
  --dur-slow: 550ms;
}

/* ==========================================================================
   Reset
   ========================================================================== */

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

* {
  margin: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
}

img,
picture,
svg {
  display: block;
  max-width: 100%;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
  padding: 0;
}

table {
  border-collapse: collapse;
  width: 100%;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1,
h2,
h3 {
  font-family: var(--font-display);
  letter-spacing: -0.01em;
  line-height: 1.05;
  color: var(--text-primary);
}

h4 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.005em;
  line-height: 1.3;
  color: var(--text-primary);
}

h1 {
  font-weight: 700;
  font-size: clamp(2.5rem, 5.6vw, 5.25rem);
  letter-spacing: -0.02em;
}

h2 {
  font-weight: 600;
  font-size: clamp(1.9rem, 3vw, 2.75rem);
  letter-spacing: -0.015em;
}

h3 {
  font-weight: 600;
  font-size: 1.35rem;
}

p {
  color: var(--text-secondary);
}

.mono {
  font-family: var(--font-mono);
  letter-spacing: -0.01em;
}

/* Styled like a field tag on a lab manifest — [ LABEL ] — rather than a
   decorative rule. Pure ::before/::after, so it updates every eyebrow on
   the site from one place. */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  font-weight: 600;
}

.eyebrow::before,
.eyebrow::after {
  color: var(--text-tertiary);
  font-weight: 500;
}

.eyebrow::before {
  content: "[";
}

.eyebrow::after {
  content: "]";
}

.lede {
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 46ch;
}

/* ==========================================================================
   Layout utilities
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

@media (min-width: 640px) {
  .container {
    padding-inline: var(--space-6);
  }
}

section {
  padding-block: var(--space-8);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-5);
  margin-bottom: var(--space-7);
  flex-wrap: wrap;
}

.section-head-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.grid {
  display: grid;
  gap: var(--space-5);
}

.bg-subtle {
  background: var(--bg-secondary);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -60px;
  background: var(--accent);
  color: var(--accent-on);
  font-weight: 600;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--dur-fast) var(--ease);
}

.skip-link:focus {
  top: var(--space-4);
}

/* One consistent keyboard-focus ring everywhere, instead of the browser
   default (which button/border resets above can make inconsistent or
   invisible depending on the element and background). */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Scroll reveal — a single quiet lift, no per-item stagger wave */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 550ms var(--ease), transform 550ms var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.95rem 1.8rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease),
    box-shadow var(--dur-fast) var(--ease);
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--border);
}

.btn-primary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-accent {
  background: var(--accent);
  color: var(--accent-on);
  box-shadow: 0 0 0 0 rgba(0, 212, 255, 0);
}

.btn-accent:hover {
  background: var(--accent-hover);
  box-shadow: var(--glow-accent);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border-color: var(--border);
  color: var(--text-primary);
}

.btn-outline:hover {
  border-color: var(--text-primary);
  background: var(--bg-elevated);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 0.5rem 0.75rem;
}

.btn-ghost:hover {
  color: var(--text-primary);
}

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 0.6rem 1.1rem;
  font-size: 0.82rem;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn:disabled:hover {
  transform: none;
  box-shadow: none;
}

/* ==========================================================================
   Track order bar
   ========================================================================== */

.track-bar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.track-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding-block: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-secondary);
  text-align: center;
}

.track-bar-inner a {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--accent);
  font-weight: 600;
  transition: color var(--dur-fast) var(--ease);
}

.track-bar-inner a:hover {
  color: var(--accent-hover);
}

.track-bar-inner svg {
  flex-shrink: 0;
}

/* ==========================================================================
   Header / Nav
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 400;
  background: rgba(5, 5, 5, 0.72);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--border);
}

.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
  gap: var(--space-5);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.01em;
  color: var(--text-primary);
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-text small {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--text-tertiary);
  font-weight: 500;
  text-transform: uppercase;
  margin-top: 2px;
}

.main-nav {
  display: none;
  align-items: center;
  gap: var(--space-6);
}

.main-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  padding-block: var(--space-2);
  transition: color var(--dur-fast) var(--ease);
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--text-primary);
}

.main-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--accent-glow);
}

@media (min-width: 900px) {
  .main-nav {
    display: flex;
  }
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.icon-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  transition: background var(--dur-fast) var(--ease);
}

.icon-btn:hover {
  background: var(--bg-elevated);
}

.cart-count {
  position: absolute;
  top: 2px;
  right: 2px;
  background: var(--accent);
  color: var(--accent-on);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  min-width: 16px;
  height: 16px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  padding-inline: 3px;
}

.nav-toggle {
  display: inline-flex;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-primary);
}

@media (min-width: 900px) {
  .nav-toggle {
    display: none;
  }
}

.mobile-nav {
  display: none;
  flex-direction: column;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}

.mobile-nav.is-open {
  display: flex;
}

.mobile-nav a {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border);
  font-weight: 500;
  color: var(--text-primary);
}

@media (min-width: 900px) {
  .mobile-nav {
    display: none !important;
  }
}

/* ==========================================================================
   Age / Research-use gate
   ========================================================================== */

.gate-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-5);
  opacity: 1;
  transition: opacity var(--dur-med) var(--ease);
}

.gate-overlay[hidden] {
  display: none;
}

.gate-overlay.is-leaving {
  opacity: 0;
}

.gate-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  max-width: 480px;
  width: 100%;
  padding: var(--space-7) var(--space-6);
  box-shadow: var(--shadow-lg);
  text-align: left;
}

.gate-card .brand-mark {
  width: 52px;
  height: 52px;
  margin-bottom: var(--space-5);
}

.gate-card h2 {
  margin-bottom: var(--space-3);
}

.gate-card p {
  font-size: 0.95rem;
  margin-bottom: var(--space-5);
}

.gate-check {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  padding: var(--space-4);
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  margin-bottom: var(--space-5);
  cursor: pointer;
}

.gate-check input {
  margin-top: 3px;
  width: 17px;
  height: 17px;
  accent-color: var(--accent);
  flex-shrink: 0;
}

.gate-check span {
  font-size: 0.86rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.gate-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.gate-actions .btn-ghost {
  align-self: center;
  font-size: 0.8rem;
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  padding-block: var(--space-9) var(--space-8);
  position: relative;
  overflow: hidden;
  background: var(--bg);
}

/* Soft cyan atmosphere behind the copy/visual, not a hard gradient band */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 78% 25%, rgba(0, 212, 255, 0.14) 0%, transparent 65%),
    radial-gradient(ellipse 40% 40% at 10% 85%, rgba(0, 212, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

/* Particle canvas, drawn by JS, sits behind copy/visual and above the glow */
.hero-particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.6;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--space-8);
  align-items: center;
}

@media (min-width: 960px) {
  .hero-inner {
    grid-template-columns: 1.05fr 0.95fr;
  }
}

.hero-copy {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.hero-copy h1 {
  max-width: 13ch;
  text-transform: uppercase;
}

.hero-copy h1 .hl {
  color: var(--accent);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-2);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
  margin-top: var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.hero-meta strong {
  color: var(--text-primary);
}

.hero-visual {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-visual-img,
.hero-visual-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    195deg,
    rgba(0, 212, 255, 0.18) 0%,
    rgba(5, 5, 5, 0.05) 45%,
    rgba(5, 5, 5, 0.85) 100%
  );
  pointer-events: none;
}

.about-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 5;
}

.about-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.9) brightness(0.95);
}

.hero-visual-tag {
  position: absolute;
  z-index: 2;
  bottom: var(--space-5);
  left: var(--space-5);
  right: var(--space-5);
  background: rgba(5, 5, 5, 0.65);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
}

.hero-visual-tag b {
  display: block;
  font-size: 0.9rem;
  font-family: var(--font-sans);
  font-weight: 600;
  margin-bottom: 2px;
}

/* Signature moment: the hero reads "verifying" once on load, then confirms
   — a quiet nod to what Apex actually does (independent purity testing on
   every batch) rather than a decorative flourish. */
.verify-line {
  display: grid;
  min-height: 1.4em;
}

.verify-status,
.verify-result {
  grid-area: 1 / 1;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.verify-status {
  color: var(--text-secondary);
  transition: opacity 250ms var(--ease);
}

.verify-status::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent-glow);
  animation: verify-pulse 1100ms ease-in-out infinite;
  flex-shrink: 0;
}

.verify-result {
  opacity: 0;
  transform: translateY(3px);
  transition: opacity 400ms var(--ease), transform 400ms var(--ease);
}

.verify-check {
  color: var(--accent);
  flex-shrink: 0;
}

.verify-check [data-verify-circle] {
  transition: stroke-dashoffset 480ms ease;
}

.verify-check [data-verify-check] {
  transition: stroke-dashoffset 320ms ease 420ms;
}

.hero-visual-tag.is-verified .verify-status {
  opacity: 0;
}

.hero-visual-tag.is-verified .verify-result {
  opacity: 1;
  transform: translateY(0);
}

.hero-visual-tag.is-verified [data-verify-circle],
.hero-visual-tag.is-verified [data-verify-check] {
  stroke-dashoffset: 0;
}

@keyframes verify-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.25;
  }
}

/* ==========================================================================
   Trust signals
   ========================================================================== */

.trust-strip {
  padding-block: var(--space-7);
  background: var(--bg-secondary);
  border-block: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.trust-strip .trust-grid {
  position: relative;
}

.trust-strip .trust-item h4 {
  color: var(--text-primary);
}

.trust-strip .trust-item p {
  color: var(--text-secondary);
}

.trust-grid {
  grid-template-columns: repeat(2, 1fr);
}

@media (min-width: 720px) {
  .trust-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1100px) {
  .trust-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

.trust-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.trust-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--accent-tint);
  color: var(--accent);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  transition: background 220ms var(--ease), color 220ms var(--ease), box-shadow 220ms var(--ease);
}

.trust-item:hover .trust-icon {
  background: var(--accent);
  color: var(--accent-on);
  box-shadow: var(--glow-accent);
}

.trust-item h4 {
  font-size: 0.92rem;
  margin-bottom: 3px;
}

.trust-item p {
  font-size: 0.82rem;
  margin: 0;
}

/* ==========================================================================
   Product cards / grid
   ========================================================================== */

.product-grid {
  grid-template-columns: repeat(1, 1fr);
}

@media (min-width: 620px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.product-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(23, 23, 23, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease),
    transform var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}

.product-card:hover {
  border-color: var(--border-hover);
  background: rgba(30, 30, 30, 0.75);
  box-shadow: var(--shadow-md);
  transform: translateY(-6px);
}

.product-media {
  aspect-ratio: 4 / 3;
  background: var(--bg-elevated);
  position: relative;
  overflow: hidden;
}

.product-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--dur-slow) var(--ease);
}

.product-card:hover .product-media img {
  transform: scale(1.05);
}

/* A single quiet scan-line on hover — an instrument taking a reading,
   not a decorative shimmer (it doesn't loop). */
.product-media::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent) 50%, transparent);
  opacity: 0;
  pointer-events: none;
}

.product-card:hover .product-media::after {
  animation: scan-sweep 900ms var(--ease);
}

@keyframes scan-sweep {
  0% {
    top: 0%;
    opacity: 0;
  }
  12% {
    opacity: 0.9;
  }
  88% {
    opacity: 0.9;
  }
  100% {
    top: 100%;
    opacity: 0;
  }
}

.product-purity-badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  background: rgba(5, 5, 5, 0.65);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.02em;
}

.product-body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}

.product-category {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--text-tertiary);
}

.product-body h3 {
  margin: 0;
}

.product-body h3 a {
  transition: color var(--dur-fast) var(--ease);
}

.product-body h3 a:hover {
  color: var(--accent);
}

.product-specs-row {
  display: flex;
  gap: var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-secondary);
}

.product-specs-row strong {
  color: var(--text-primary);
  display: block;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  margin-bottom: 1px;
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: var(--space-3);
  border-top: 1px solid var(--border);
}

.product-price {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.product-price small {
  font-weight: 500;
  font-size: 0.68rem;
  color: var(--text-tertiary);
  display: block;
}

/* ==========================================================================
   How it works
   ========================================================================== */

.steps-grid {
  grid-template-columns: repeat(1, 1fr);
  counter-reset: step;
}

@media (min-width: 720px) {
  .steps-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.step-card {
  position: relative;
  padding: var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  transition: border-color 220ms var(--ease), box-shadow 220ms var(--ease), transform 220ms var(--ease);
}

.step-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-sm);
  transform: translateY(-3px);
}

/* This is a real ordered sequence (select → verify → order → dispatch), so
   the numbering carries information — a connecting line makes that literal
   instead of four cards that happen to have numbers on them. */
.step-number {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1.5px solid var(--accent);
  background: var(--bg);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

@media (min-width: 720px) {
  .step-card:not(:last-child) .step-number::after {
    content: "";
    position: absolute;
    left: 100%;
    top: 50%;
    width: var(--space-5);
    height: 1px;
    background: linear-gradient(90deg, var(--border-hover), transparent);
    transform: translateY(-50%);
  }
}

.step-card h4 {
  margin-bottom: var(--space-2);
}

.step-card p {
  font-size: 0.86rem;
  margin: 0;
}

/* ==========================================================================
   CTA banner
   ========================================================================== */

.cta-banner {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-7) var(--space-6);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  color: var(--text-primary);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: "";
  position: absolute;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  opacity: 0.16;
  top: -220px;
  right: -140px;
}

.cta-banner h2 {
  color: var(--text-primary);
  position: relative;
}

.cta-banner p {
  color: var(--text-secondary);
  position: relative;
  margin-top: var(--space-2);
}

.cta-banner .btn {
  position: relative;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
  background: #000000;
  color: var(--text-secondary);
  padding-block: var(--space-8) var(--space-6);
  margin-top: var(--space-8);
  border-top: 1px solid var(--border);
}

.footer-grid {
  grid-template-columns: repeat(1, 1fr);
  gap: var(--space-7);
  padding-bottom: var(--space-7);
}

@media (min-width: 720px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
  }
}

.footer-brand .brand {
  color: var(--text-primary);
}

.footer-brand .brand-text small {
  color: var(--text-tertiary);
}

.footer-brand p {
  margin-top: var(--space-4);
  font-size: 0.86rem;
  max-width: 34ch;
}

.footer-col h4 {
  color: var(--text-primary);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-col a {
  position: relative;
  display: inline-block;
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: color var(--dur-fast) var(--ease);
}

.footer-col a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 260ms var(--ease);
}

.footer-col a:hover {
  color: var(--text-primary);
}

.footer-col a:hover::after {
  transform: scaleX(1);
}

.footer-disclaimer {
  border-top: 1px solid var(--border);
  padding-top: var(--space-6);
  font-size: 0.76rem;
  line-height: 1.75;
  color: var(--text-tertiary);
}

.footer-disclaimer strong {
  color: var(--text-secondary);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-3);
  margin-top: var(--space-6);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border);
  font-size: 0.76rem;
  color: var(--text-tertiary);
}

/* ==========================================================================
   Page header (interior pages)
   ========================================================================== */

.page-header {
  padding-block: var(--space-7) var(--space-6);
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
}

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-tertiary);
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.breadcrumb a {
  color: var(--text-tertiary);
  transition: color var(--dur-fast) var(--ease);
}

.breadcrumb a:hover {
  color: var(--accent);
}

/* ==========================================================================
   Shop layout / filters
   ========================================================================== */

.shop-layout {
  display: grid;
  gap: var(--space-6);
  align-items: start;
}

@media (min-width: 860px) {
  .shop-layout {
    grid-template-columns: 240px 1fr;
  }
}

.filters-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-primary);
  background: var(--bg-elevated);
}

.filters-toggle-count {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-tint);
  border-radius: 999px;
  padding: 0.15rem 0.5rem;
  margin-right: auto;
  margin-left: var(--space-3);
}

.filters-toggle[data-filters-chevron],
[data-filters-chevron] {
  transition: transform var(--dur-fast) var(--ease);
  flex-shrink: 0;
}

.filters-toggle[aria-expanded="true"] [data-filters-chevron] {
  transform: rotate(180deg);
}

@media (min-width: 860px) {
  .filters-toggle {
    display: none;
  }
}

.filters {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  padding: var(--space-5);
  position: sticky;
  top: calc(var(--space-8) + 20px);
}

@media (max-width: 859px) {
  .filters {
    display: none;
    margin-top: var(--space-4);
  }

  .filters.is-open {
    display: block;
  }
}

.filter-group + .filter-group {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border);
}

.filter-group h4 {
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--text-tertiary);
  margin-bottom: var(--space-3);
}

.filter-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-block: var(--space-2);
  font-size: 0.88rem;
  cursor: pointer;
  color: var(--text-secondary);
}

.filter-option input {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}

.shop-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-5);
  gap: var(--space-3);
  flex-wrap: wrap;
}

.result-count {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.empty-state {
  border: 1px dashed var(--border-hover);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  text-align: center;
  color: var(--text-secondary);
}

/* ==========================================================================
   Product detail
   ========================================================================== */

.product-detail {
  display: grid;
  gap: var(--space-7);
}

@media (min-width: 900px) {
  .product-detail {
    grid-template-columns: 1fr 1fr;
  }
}

.detail-media {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-lg);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  overflow: hidden;
  position: relative;
}

.detail-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.detail-info h1 {
  font-size: clamp(2rem, 3.4vw, 2.75rem);
  text-transform: none;
}

.detail-price {
  font-family: var(--font-mono);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-block: var(--space-4);
}

.detail-price span {
  font-size: 0.9rem;
  color: var(--text-tertiary);
  font-weight: 500;
}

.specs-table {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-block: var(--space-5);
}

.specs-table tr {
  border-bottom: 1px solid var(--border);
}

.specs-table tr:last-child {
  border-bottom: none;
}

.specs-table th,
.specs-table td {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  font-size: 0.86rem;
}

.specs-table th {
  width: 42%;
  color: var(--text-tertiary);
  font-weight: 500;
  background: var(--bg-secondary);
}

.specs-table td {
  font-family: var(--font-mono);
  color: var(--text-primary);
  background: var(--bg-elevated);
}

.qty-row {
  display: flex;
  gap: var(--space-4);
  align-items: center;
  margin-block: var(--space-5);
  flex-wrap: wrap;
}

.qty-stepper {
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.qty-stepper button {
  width: 40px;
  height: 44px;
  font-size: 1.1rem;
  color: var(--text-secondary);
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.qty-stepper button:hover {
  background: var(--bg-elevated-hover);
  color: var(--text-primary);
}

.qty-stepper input {
  width: 46px;
  height: 44px;
  text-align: center;
  background: var(--bg-elevated);
  border: none;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  font-family: var(--font-mono);
  color: var(--text-primary);
}

.detail-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* A persistent buy bar is a genuine mobile-commerce pattern, not a shrunk
   desktop layout — desktop has room for price + button inline, a tall
   phone scroll doesn't. Desktop never sees this. */
.mobile-buybar {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 300;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  padding-bottom: max(var(--space-4), env(safe-area-inset-bottom));
  background: rgba(5, 5, 5, 0.85);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
  box-shadow: 0 -16px 40px rgba(0, 0, 0, 0.5);
}

.mobile-buybar-name {
  display: block;
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.mobile-buybar-price {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
}

@media (max-width: 719px) {
  .mobile-buybar {
    display: flex;
  }

  [data-product-root] {
    padding-bottom: 88px;
  }
}

.coa-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-5);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent);
  border: 1px solid var(--accent-tint-strong);
  background: var(--accent-tint);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  transition: background var(--dur-fast) var(--ease);
}

.coa-link:hover {
  background: var(--accent-tint-strong);
}

.coa-note {
  font-size: 0.78rem;
  color: var(--text-tertiary);
  margin-top: var(--space-2);
  display: none;
}

.coa-note.is-visible {
  display: block;
}

.detail-tabs {
  margin-top: var(--space-4);
}

.detail-tabs p + p {
  margin-top: var(--space-3);
}

.detail-tabs p {
  font-size: 0.92rem;
}

/* ==========================================================================
   Cart
   ========================================================================== */

.cart-layout {
  display: grid;
  gap: var(--space-6);
  align-items: start;
}

@media (min-width: 900px) {
  .cart-layout {
    grid-template-columns: 1fr 340px;
  }
}

.cart-table-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-elevated);
}

.cart-table th {
  text-align: left;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  padding: var(--space-4);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.cart-table td {
  padding: var(--space-4);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.cart-table tr:last-child td {
  border-bottom: none;
}

/* Below 640px a 5-column table has no room to breathe — each row becomes
   a stacked card instead of forcing columns to compress off-screen. */
@media (max-width: 640px) {
  .cart-table thead {
    display: none;
  }

  .cart-table,
  .cart-table tbody,
  .cart-table tr,
  .cart-table td {
    display: block;
    width: 100%;
  }

  .cart-table tr {
    padding: var(--space-4);
  }

  .cart-table td {
    padding: var(--space-2) 0;
    border-bottom: none;
  }

  .cart-table td[data-label]::before {
    content: attr(data-label);
    display: block;
    font-family: var(--font-mono);
    font-size: 0.66rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--text-tertiary);
    margin-bottom: var(--space-1);
  }

  .cart-table td:last-child {
    padding-top: var(--space-3);
  }
}

.cart-product {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.cart-thumb {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  flex-shrink: 0;
  overflow: hidden;
}

.cart-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cart-product-name {
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-primary);
}

.cart-product-meta {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-tertiary);
}

.cart-remove {
  color: var(--danger);
  font-size: 0.78rem;
  font-family: var(--font-mono);
}

.cart-remove:hover {
  text-decoration: underline;
}

.summary-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  padding: var(--space-5);
}

.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding-block: var(--space-2);
}

.summary-row.total {
  border-top: 1px solid var(--border);
  margin-top: var(--space-3);
  padding-top: var(--space-4);
  font-weight: 700;
  color: var(--text-primary);
  font-size: 1.05rem;
  font-family: var(--font-mono);
}

/* ==========================================================================
   Forms (checkout / contact)
   ========================================================================== */

.form-grid {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 600px) {
  .form-grid.cols-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.field label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
}

.field .hint {
  font-size: 0.76rem;
  color: var(--text-tertiary);
  font-weight: 400;
}

.field input,
.field select,
.field textarea {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.8rem 0.95rem;
  font-size: 0.92rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}

.field input::placeholder,
.field textarea::placeholder {
  color: var(--text-tertiary);
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-tint);
}

.field textarea {
  resize: vertical;
  min-height: 120px;
}

.form-section + .form-section {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border);
}

.form-section h3 {
  margin-bottom: var(--space-4);
}

.payment-stub {
  border: 1px dashed var(--border-hover);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  background: var(--bg-secondary);
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.payment-stub-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--accent-tint);
  color: var(--accent);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.payment-stub h4 {
  margin-bottom: 2px;
}

.payment-stub p {
  font-size: 0.84rem;
  margin: 0;
}

.confirm-panel {
  text-align: center;
  padding: var(--space-8) var(--space-5);
}

.confirm-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--success-tint);
  color: var(--success);
  display: grid;
  place-items: center;
  margin-inline: auto;
  margin-bottom: var(--space-5);
}

.confirm-icon.is-pending {
  background: var(--accent-tint);
  color: var(--accent);
}

.confirm-order-id {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: var(--space-2);
}

/* ==========================================================================
   About / Contact
   ========================================================================== */

.value-grid {
  grid-template-columns: repeat(1, 1fr);
}

@media (min-width: 720px) {
  .value-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.value-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  padding: var(--space-5);
}

.value-card .trust-icon {
  margin-bottom: var(--space-4);
}

.stat-strip {
  grid-template-columns: repeat(2, 1fr);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  overflow: hidden;
}

@media (min-width: 720px) {
  .stat-strip {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-cell {
  padding: var(--space-6) var(--space-5);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stat-cell:nth-child(2n) {
  border-right: none;
}

@media (min-width: 720px) {
  .stat-cell {
    border-bottom: none;
  }
  .stat-cell:nth-child(2n) {
    border-right: 1px solid var(--border);
  }
  .stat-cell:last-child {
    border-right: none;
  }
}

.stat-cell b {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.9rem;
  color: var(--text-primary);
}

.stat-cell span {
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.contact-layout {
  display: grid;
  gap: var(--space-7);
}

@media (min-width: 900px) {
  .contact-layout {
    grid-template-columns: 0.8fr 1.2fr;
  }
}

.contact-info-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  padding: var(--space-5);
}

.contact-info-row {
  display: flex;
  gap: var(--space-3);
  padding-block: var(--space-4);
  border-top: 1px solid var(--border);
}

.contact-info-row:first-of-type {
  border-top: none;
}

.contact-info-row h4 {
  font-size: 0.82rem;
  margin-bottom: 2px;
}

.contact-info-row p,
.contact-info-row a {
  font-size: 0.86rem;
}

/* ==========================================================================
   Misc components
   ========================================================================== */

.tag {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius-sm);
  background: var(--accent-tint);
  color: var(--accent);
  font-weight: 600;
}

.toast {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translate(-50%, 12px);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  font-size: 0.86rem;
  box-shadow: var(--shadow-lg);
  z-index: 900;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-med) var(--ease), transform var(--dur-med) var(--ease);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
  pointer-events: auto;
}

/* ==========================================================================
   Concentration calculator
   ========================================================================== */

/* Several calc-* containers set their own `display` (flex/grid) and are
   also toggled with the native `hidden` attribute from JS — author CSS
   beats the UA [hidden] rule at equal specificity, so without this the
   element would keep laying out (as a 0-content flex/grid box) instead of
   disappearing. Scoped to the widget so it can't affect anything else. */
.calc-widget [hidden] {
  display: none !important;
}

.calc-layout {
  display: grid;
  gap: var(--space-6);
  justify-content: center;
}

@media (min-width: 960px) {
  .calc-layout {
    grid-template-columns: minmax(0, 720px) minmax(260px, 300px);
    align-items: start;
  }
}

.calc-card {
  position: relative;
  width: 100%;
  max-width: 720px;
  margin-inline: auto;
  padding: var(--space-7) var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: rgba(23, 23, 23, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.45);
}

.calc-widget-compact .calc-card {
  max-width: none;
  padding: var(--space-6) var(--space-5);
}

.calc-compact-head {
  margin-bottom: var(--space-5);
}

.calc-compact-head p {
  margin-top: var(--space-2);
  font-size: 0.86rem;
}

.calc-field + .calc-field,
.calc-row-2col + .calc-field,
.calc-field + .calc-row-2col,
.calc-vial-stage + .calc-row-2col {
  margin-top: var(--space-5);
}

.calc-row-2col {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 560px) {
  .calc-row-2col {
    grid-template-columns: 1fr 1fr;
  }
}

.calc-field .hint {
  margin-top: var(--space-2);
}

/* ---- Identity block: vial + label, the calculator's signature moment ---- */

.calc-vial-stage {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-5);
  margin-bottom: var(--space-6);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: radial-gradient(ellipse 120% 120% at 20% 20%, rgba(0, 212, 255, 0.08), transparent 60%), var(--bg-secondary);
  overflow: hidden;
}

.calc-vial-canvas-wrap {
  position: relative;
  flex: none;
  width: 96px;
  height: 128px;
}

.calc-vial-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.calc-vial-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 400ms var(--ease);
}

.calc-vial-fallback-cap {
  width: 46px;
  height: 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-hover);
  border-bottom: none;
  border-radius: 5px 5px 0 0;
}

.calc-vial-fallback-glass {
  position: relative;
  width: 62px;
  height: 92px;
  border: 1px solid var(--border-hover);
  border-radius: 4px 4px 20px 20px;
  background: rgba(255, 255, 255, 0.02);
  overflow: hidden;
}

.calc-vial-fallback-liquid {
  position: absolute;
  inset: auto 0 0 0;
  height: 0%;
  background: linear-gradient(180deg, rgba(0, 212, 255, 0.5), rgba(0, 212, 255, 0.22));
  transition: height 650ms var(--ease);
}

.calc-vial-fallback-liquid.is-filled {
  height: 60%;
}

.calc-vial-label {
  flex: 1;
  min-width: 0;
}

.calc-vial-label-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.calc-vial-label-logo {
  width: 22px;
  height: 22px;
  opacity: 0.85;
}

.calc-vial-label-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.calc-vial-label-qr {
  color: var(--text-tertiary);
  opacity: 0.7;
}

.calc-vial-label-name {
  margin-top: var(--space-3);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: opacity 250ms var(--ease);
}

.calc-vial-label-strength {
  margin-top: var(--space-1);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: var(--accent);
}

.calc-vial-label-batch {
  margin-top: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
}

.calc-vial-label-use {
  margin-top: var(--space-1);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.calc-vial-stage.is-updated .calc-vial-label-name,
.calc-vial-stage.is-updated .calc-vial-label-strength {
  animation: calc-label-swap 400ms var(--ease);
}

@keyframes calc-label-swap {
  0% {
    opacity: 0;
    transform: translateY(3px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 480px) {
  .calc-vial-stage {
    flex-direction: column;
    text-align: center;
  }

  .calc-vial-label-top {
    justify-content: center;
    gap: var(--space-3);
  }

  .calc-vial-label-name {
    white-space: normal;
  }
}

/* ---- Searchable product combobox ---- */

.calc-combobox {
  position: relative;
}

.calc-combobox input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.8rem 0.95rem;
  font-size: 0.92rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}

.calc-combobox input::placeholder {
  color: var(--text-tertiary);
}

.calc-combobox input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-tint), 0 0 24px rgba(0, 212, 255, 0.18);
}

.calc-combobox-list {
  position: absolute;
  z-index: 20;
  top: calc(100% + var(--space-2));
  left: 0;
  right: 0;
  max-height: 260px;
  overflow-y: auto;
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
}

.calc-combobox-list li {
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.calc-combobox-list li:hover,
.calc-combobox-list li.is-active {
  background: var(--accent-tint);
  color: var(--accent);
}

.calc-combobox-list li[aria-selected="true"] {
  color: var(--accent);
  font-weight: 600;
}

/* ---- Segmented / pill button groups (vial strength) ---- */

.calc-btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.calc-chip {
  flex: 1;
  min-width: 4.5rem;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 600;
  text-align: center;
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}

.calc-chip:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.calc-chip:active {
  transform: scale(0.96);
}

.calc-chip[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--accent-tint);
  color: var(--accent);
}

.calc-amount-row {
  display: flex;
  gap: var(--space-3);
  align-items: stretch;
}

.calc-amount-row input {
  flex: 1;
  min-width: 0;
}

.calc-widget .field input:focus {
  box-shadow: 0 0 0 4px var(--accent-tint), 0 0 24px rgba(0, 212, 255, 0.18);
}

.calc-unit-select {
  flex: none;
  width: 6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0 0.75rem;
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 600;
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}

.calc-unit-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-tint);
}

.calc-unit-select[hidden] {
  display: none;
}

/* ---- Syringe size selector ---- */

.calc-syringe-choice {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.calc-syringe-btn {
  padding: var(--space-3) var(--space-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  text-align: center;
  transition: border-color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}

.calc-syringe-btn:hover {
  border-color: var(--border-hover);
}

.calc-syringe-btn:active {
  transform: scale(0.97);
}

.calc-syringe-btn b {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.98rem;
  color: var(--text-primary);
}

.calc-syringe-btn span {
  display: block;
  margin-top: var(--space-1);
  font-size: 0.72rem;
  color: var(--text-tertiary);
}

.calc-syringe-btn[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--accent-tint);
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.12);
}

.calc-syringe-btn[aria-pressed="true"] b {
  color: var(--accent);
}

/* ---- Status / placeholder ---- */

.calc-status {
  margin-top: var(--space-6);
  padding: var(--space-4) var(--space-5);
  border: 1px dashed var(--border-hover);
  border-radius: var(--radius-md);
  font-size: 0.86rem;
  color: var(--text-tertiary);
  text-align: center;
}

.calc-status:empty {
  display: none;
}

/* ---- Results ---- */

.calc-results {
  margin-top: var(--space-6);
  opacity: 0;
  transform: translateY(6px);
}

.calc-results.is-in {
  animation: calc-results-in 420ms var(--ease) forwards;
}

@keyframes calc-results-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.calc-result-cards {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: var(--space-3);
}

.calc-result-cards .calc-result-card {
  opacity: 0;
  transform: scale(0.96);
}

.calc-results.is-in .calc-result-card {
  animation: calc-card-in 380ms var(--ease) forwards;
}

.calc-results.is-in .calc-result-card:nth-child(1) {
  animation-delay: 40ms;
}

.calc-results.is-in .calc-result-card:nth-child(2) {
  animation-delay: 100ms;
}

.calc-results.is-in .calc-result-card:nth-child(3) {
  animation-delay: 160ms;
}

@keyframes calc-card-in {
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@media (max-width: 640px) {
  .calc-result-cards {
    grid-template-columns: 1fr;
  }
}

.calc-result-card {
  padding: var(--space-5) var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  text-align: center;
}

.calc-result-card-primary {
  background: linear-gradient(160deg, rgba(0, 212, 255, 0.14), rgba(0, 212, 255, 0.03));
  border-color: var(--accent-tint-strong);
}

.calc-result-card-static {
  opacity: 0.85;
}

.calc-result-card-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.calc-result-card-value {
  display: block;
  margin-top: var(--space-2);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.7rem, 6vw, 2.2rem);
  color: var(--accent);
  white-space: nowrap;
}

.calc-result-card-value-sm {
  font-size: clamp(1.1rem, 4vw, 1.3rem);
  color: var(--text-primary);
}

.calc-result-card-sub {
  display: block;
  margin-top: var(--space-1);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-tertiary);
}

/* ---- Reconstitution summary strip ---- */

.calc-summary {
  margin-top: var(--space-5);
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: var(--text-secondary);
  text-align: center;
}

.calc-summary-op {
  color: var(--text-tertiary);
}

.calc-summary-result {
  color: var(--accent);
  font-weight: 700;
}

/* ---- Syringe visual: mathematically driven, not decorative ---- */

.calc-syringe-visual {
  margin-top: var(--space-6);
}

.calc-syringe-visual-track {
  position: relative;
  height: 36px;
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  overflow: visible;
}

.calc-syringe-visual-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0%;
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  background: linear-gradient(90deg, rgba(0, 212, 255, 0.45), rgba(0, 212, 255, 0.22));
  transition: width 500ms var(--ease);
  overflow: hidden;
}

.calc-syringe-visual-plunger {
  position: absolute;
  top: -6px;
  bottom: -6px;
  left: 0%;
  width: 3px;
  border-radius: 2px;
  background: var(--text-primary);
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.35);
  transition: left 500ms var(--ease);
}

.calc-syringe-visual-marker {
  position: absolute;
  top: -8px;
  bottom: -8px;
  left: 0%;
  width: 2px;
  transition: left 500ms var(--ease);
}

.calc-syringe-visual-marker-label {
  position: absolute;
  bottom: calc(100% + var(--space-2));
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.2rem 0.5rem;
  text-align: center;
  line-height: 1.4;
}

.calc-syringe-visual-ticks {
  position: relative;
  margin-top: var(--space-2);
  height: 1.1rem;
}

.calc-syringe-visual-tick {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-tertiary);
  white-space: nowrap;
}

.calc-syringe-visual-scale {
  display: block;
  margin-top: var(--space-3);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

@media (max-width: 480px) {
  .calc-syringe-visual-track {
    overflow-x: auto;
  }
}

/* ---- Warnings ---- */

.calc-warnings {
  margin-top: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.calc-warning {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--danger-tint);
  border-radius: var(--radius-sm);
  background: var(--danger-tint);
  color: var(--danger);
  font-size: 0.84rem;
  line-height: 1.5;
}

/* ---- Disclosure (view calculation) ---- */

.calc-disclosure {
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border);
}

.calc-disclosure-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-secondary);
  transition: color var(--dur-fast) var(--ease);
}

.calc-disclosure-toggle:hover {
  color: var(--accent);
}

.calc-disclosure-toggle svg {
  transition: transform var(--dur-fast) var(--ease);
}

.calc-disclosure-toggle[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.calc-disclosure-body {
  margin-top: var(--space-4);
}

.calc-breakdown-line {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-2);
  border-bottom: 1px solid var(--border);
  font-size: 0.84rem;
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 300ms var(--ease), transform 300ms var(--ease);
}

.calc-breakdown-line.is-in {
  opacity: 1;
  transform: translateX(0);
}

.calc-breakdown-line:last-child {
  border-bottom: none;
}

.calc-breakdown-line span:first-child {
  color: var(--text-tertiary);
}

.calc-breakdown-line span:last-child {
  font-family: var(--font-mono);
  color: var(--text-primary);
  text-align: right;
}

/* ---- Actions ---- */

.calc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.calc-actions .btn {
  flex: 1;
  min-width: 8rem;
}

/* ---- Disclaimer ---- */

.calc-disclaimer {
  max-width: 720px;
  margin-inline: auto;
  margin-top: var(--space-5);
  padding: var(--space-4) var(--space-5);
  border: 1px dashed var(--border-hover);
  border-radius: var(--radius-md);
  text-align: center;
}

.calc-disclaimer p {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.calc-compact-disclaimer {
  margin-top: var(--space-4);
  font-size: 0.78rem;
  color: var(--text-tertiary);
  text-align: center;
}

.calc-compact-disclaimer a {
  color: var(--accent);
  font-weight: 600;
}

/* ---- Saved calculations panel ---- */

.calc-history {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  padding: var(--space-5);
}

.calc-history-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.calc-history-head h3 {
  font-size: 1rem;
}

.calc-history-list {
  margin-top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.calc-history-item {
  display: flex;
  align-items: stretch;
  gap: var(--space-2);
}

.calc-history-load {
  flex: 1;
  text-align: left;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  background: var(--bg-secondary);
  transition: border-color var(--dur-fast) var(--ease);
}

.calc-history-load:hover {
  border-color: var(--accent);
}

.calc-history-item-name {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
}

.calc-history-item-detail {
  display: block;
  margin-top: var(--space-1);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-tertiary);
  line-height: 1.5;
}

.calc-history-remove {
  flex: none;
  width: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.calc-history-remove:hover {
  color: var(--danger);
  border-color: var(--danger-tint);
}

.calc-history-empty {
  margin-top: var(--space-4);
  font-size: 0.82rem;
  color: var(--text-tertiary);
}

@media (max-width: 640px) {
  .calc-card {
    padding: var(--space-5) var(--space-4);
  }

  .calc-btn-group .calc-chip {
    min-height: 44px;
  }

  .calc-syringe-btn {
    min-height: 44px;
  }

  .calc-unit-select {
    min-height: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .calc-results,
  .calc-breakdown-line,
  .calc-vial-stage.is-updated .calc-vial-label-name,
  .calc-vial-stage.is-updated .calc-vial-label-strength {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ---- Compact embed overrides ---- */

.calc-widget-compact .calc-vial-canvas-wrap {
  width: 72px;
  height: 96px;
}

.calc-widget-compact .calc-vial-fallback-glass {
  width: 48px;
  height: 70px;
}

.calc-widget-compact .calc-result-card-value {
  font-size: clamp(1.3rem, 7vw, 1.6rem);
}

.calc-widget-compact .calc-result-cards {
  grid-template-columns: 1fr;
}

.calc-widget-compact .calc-syringe-choice {
  grid-template-columns: 1fr;
}

.calc-widget-compact .calc-syringe-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  text-align: left;
}

.calc-widget-compact .calc-syringe-btn span {
  margin-top: 0;
}


/* ==========================================================================
   Certificates of Analysis
   ========================================================================== */

.coa-grid {
  grid-template-columns: repeat(1, 1fr);
}

@media (min-width: 640px) {
  .coa-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .coa-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.coa-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  padding: var(--space-5);
}

.coa-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}

.coa-card-head h3 {
  font-size: 1.05rem;
}

.coa-card-category {
  margin-top: var(--space-1);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.coa-code {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-tertiary);
  white-space: nowrap;
}

.coa-purity {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.coa-purity b {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  color: var(--accent);
}

.coa-purity span {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.coa-card .coa-link {
  margin-top: auto;
  align-self: flex-start;
}

/* ==========================================================================
   Blog
   ========================================================================== */

.blog-grid {
  grid-template-columns: repeat(1, 1fr);
}

@media (min-width: 720px) {
  .blog-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.blog-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  padding: var(--space-6);
  transition: border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}

.blog-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
}

.blog-card h3 {
  margin-top: var(--space-3);
  font-size: 1.2rem;
}

.blog-card p {
  margin-top: var(--space-3);
  font-size: 0.92rem;
  line-height: 1.65;
}

.blog-meta {
  margin-top: var(--space-5);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-tertiary);
}

.blog-read-more {
  margin-top: auto;
  padding-top: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--accent);
  font-weight: 600;
  font-size: 0.86rem;
}

.article-header {
  max-width: 68ch;
  margin-inline: auto;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  margin-top: var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-tertiary);
}

.article-body {
  max-width: 68ch;
  margin-inline: auto;
}

.article-body p {
  margin-top: var(--space-4);
  line-height: 1.75;
}

.article-body h2 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
  font-size: clamp(1.5rem, 2.4vw, 1.9rem);
}

.article-body h2:first-child {
  margin-top: 0;
}

.article-body ul {
  margin-top: var(--space-4);
  padding-left: 1.25em;
  list-style: disc;
  color: var(--text-secondary);
  line-height: 1.75;
}

.article-body li + li {
  margin-top: var(--space-2);
}

.article-callout {
  margin-top: var(--space-6);
  padding: var(--space-5);
  border: 1px dashed var(--border-hover);
  border-radius: var(--radius-md);
}

.article-callout p {
  margin-top: 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.article-callout p + p {
  margin-top: var(--space-3);
}

.article-cross-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--accent);
}