/* Häber Supplements — shared stylesheet */

:root {
  --bg: #FAF9F6;
  --bg-alt: #F1EFEA;
  --ink: #16181D;
  --ink-soft: #6B7280;
  --accent: #1C3555;
  --accent-soft: #2E4A73;
  --border: #E5E3DD;
  --white: #FFFFFF;
  --max-width: 1120px;
  --radius: 4px;
  --chart-blue: #2F5C99;
  --chart-blue-light: #8FADD6;
  --chart-gray: #9C9890;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Times New Roman', Times, Georgia, serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

h1, h2, h3 {
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
}

h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  margin-bottom: 16px;
}

h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

p {
  color: var(--ink);
}

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

section {
  padding: 96px 0;
}

/* Scroll reveal (progressive enhancement — content is visible by default;
   only animates once JS confirms motion is OK) */

body.motion-ready .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

body.motion-ready .reveal.in-view {
  opacity: 1;
  transform: none;
}

/* Buttons */

.btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--accent-soft);
}

.btn-secondary {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}

.btn-secondary:hover {
  background: var(--accent);
  color: var(--white);
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  background: rgba(250, 249, 246, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-weight: 800;
  font-size: 1.1rem;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--accent);
  color: var(--white);
  border-radius: var(--radius);
  font-size: 1.2rem;
  font-weight: 800;
}

.wordmark {
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.95rem;
}

.main-nav {
  display: flex;
  gap: 32px;
}

.main-nav a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--ink);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--ink);
}

.header-cta {
  padding: 10px 20px;
  font-size: 0.85rem;
}

/* Hero */

.hero {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 56px;
  align-items: center;
  padding-top: 56px;
  padding-bottom: 32px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 16px;
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--ink-soft);
  margin: 16px 0 28px;
  max-width: 480px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Hero product container graphic */

.hero-media {
  text-align: center;
}

.container-graphic {
  display: flex;
  justify-content: center;
}

.canister-svg {
  width: 100%;
  max-width: 220px;
  height: auto;
  color: var(--accent);
  fill: var(--bg-alt);
  stroke: currentColor;
  stroke-width: 2.5;
  transform: scale(var(--canister-scale, 1));
  transform-origin: center bottom;
  will-change: transform;
}

.label-plate {
  fill: var(--white);
  stroke: currentColor;
  stroke-width: 2;
}

.label-text {
  fill: currentColor;
  stroke: none;
  font-family: Arial, sans-serif;
  font-weight: 800;
  font-size: 22px;
  letter-spacing: 0.04em;
}

.media-caption {
  margin-top: 16px;
  font-size: 0.8rem;
  color: var(--ink-soft);
}

/* Product page hero */

.product-hero {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
  align-items: center;
  padding-top: 56px;
  padding-bottom: 56px;
}

.price-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 20px 0;
  flex-wrap: wrap;
}

.price {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
}

.price-note {
  font-size: 0.85rem;
  color: var(--ink-soft);
}

/* Supplement facts panel */

.facts-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: start;
}

.supplement-facts {
  background: var(--white);
  border: 2px solid var(--ink);
  border-radius: 4px;
  padding: 20px 24px;
}

.supplement-facts h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.sf-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 0.95rem;
}

.sf-bold {
  font-weight: 700;
}

.sf-col-header {
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  padding-top: 4px;
  padding-bottom: 4px;
}

.sf-divider {
  border-top: 1px solid var(--border);
}

.sf-divider.thick {
  border-top: 4px solid var(--ink);
}

.sf-footnote {
  font-size: 0.78rem;
  color: var(--ink-soft);
  margin-top: 10px;
}

.sf-other {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-top: 16px;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.facts-copy p {
  color: var(--ink-soft);
  margin-top: 16px;
}

.facts-copy p:first-of-type {
  margin-top: 0;
}

/* Trust / testing section */

.trust-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* Intro line */

.intro-line {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
  padding-top: 24px;
  padding-bottom: 56px;
}

.intro-line p {
  color: var(--ink-soft);
  font-size: 1.05rem;
}

/* Icons (shared) */

.icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 14px;
  color: var(--accent);
}

.icon {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Section hint (used above any expand-on-hover card grid) */

.section-hint {
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.85rem;
  margin-bottom: 48px;
}

/* Expand-on-hover cards (shared by the "How It Works" and "Pillars" grids) */

.expand-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.expand-card:hover,
.expand-card:focus-within,
.expand-card.expanded {
  border-color: var(--accent);
  box-shadow: 0 8px 24px rgba(28, 53, 85, 0.08);
}

.expand-card h3 {
  color: var(--accent);
  margin-bottom: 0;
}

.expand-desc {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition: grid-template-rows 0.3s ease, opacity 0.25s ease;
}

.expand-card:hover .expand-desc,
.expand-card:focus-within .expand-desc,
.expand-card.expanded .expand-desc {
  grid-template-rows: 1fr;
  opacity: 1;
}

.expand-desc p {
  overflow: hidden;
  font-size: 0.9rem;
  color: var(--ink-soft);
  padding-top: 12px;
}

/* Science teaser */

.science-teaser h2 {
  text-align: center;
}

.science-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* Pillars */

.pillars h2 {
  text-align: center;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

/* Ingredients teaser */

.ingredients-teaser {
  max-width: 680px;
}

.ingredients-teaser p {
  color: var(--ink-soft);
  margin: 16px 0 24px;
}

/* Usage */

.usage-content {
  display: flex;
  align-items: flex-start;
  gap: 32px;
}

.usage-icon {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  margin-bottom: 0;
}

.usage-text h2 {
  margin-bottom: 12px;
}

.usage p {
  color: var(--ink-soft);
  max-width: 640px;
}

/* Testimonials */

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px 24px;
}

.testimonial p {
  font-style: italic;
  color: var(--ink);
  margin-bottom: 16px;
}

.testimonial cite {
  font-style: normal;
  font-size: 0.85rem;
  color: var(--ink-soft);
  font-weight: 600;
}

/* FAQ */

.faq-list {
  border-top: 1px solid var(--border);
  margin-bottom: 28px;
}

.faq-item {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
  text-align: left;
  padding: 18px 0;
  cursor: pointer;
}

.faq-item:hover,
.faq-item:focus-within,
.faq-item.expanded {
  box-shadow: none;
}

.faq-question {
  font-weight: 700;
  font-size: 1rem;
  margin: 0;
  position: relative;
  padding-right: 28px;
}

.faq-question::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 0;
  font-weight: 400;
  color: var(--accent);
}

.faq-item:hover .faq-question::after,
.faq-item:focus-within .faq-question::after,
.faq-item.expanded .faq-question::after {
  content: '\2212';
}

.faq-item .expand-desc p {
  color: var(--ink-soft);
  font-size: 0.95rem;
  padding-top: 12px;
}

/* Notify */

.notify {
  background: var(--accent);
  color: var(--white);
  text-align: center;
  border-radius: 8px;
  max-width: 780px;
  margin: 0 auto;
}

.notify h2 {
  color: var(--white);
}

.notify p {
  color: rgba(255, 255, 255, 0.8);
  max-width: 480px;
  margin: 0 auto 24px;
}

.notify-form {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 440px;
  margin: 0 auto;
}

.notify-form input {
  flex: 1;
  min-width: 220px;
  padding: 14px 16px;
  border-radius: var(--radius);
  border: none;
  font-size: 0.95rem;
}

.notify-form .btn-primary {
  background: var(--ink);
}

.notify-form .btn-primary:hover {
  background: #000;
}

.form-note {
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.65);
  margin-top: 16px;
}

/* Footer */

.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.75);
  padding: 56px 0 32px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1.4fr;
  gap: 40px;
  margin-bottom: 32px;
}

.site-footer .logo {
  color: var(--white);
  margin-bottom: 12px;
}

.site-footer .logo-mark {
  background: var(--white);
  color: var(--ink);
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9rem;
}

.footer-nav a:hover {
  color: var(--white);
}

.footer-legal p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.78rem;
  margin-bottom: 10px;
}

/* Science page */

.page-hero {
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
  padding-top: 64px;
  padding-bottom: 32px;
}

.page-hero-sub {
  margin-left: auto;
  margin-right: auto;
  max-width: 640px;
}

.research-intro {
  max-width: 720px;
}

.research-intro p {
  color: var(--ink-soft);
  margin-top: 12px;
}

.research-block {
  padding-top: 40px;
}

.research-block-title {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.research-caveat {
  margin-top: 24px;
  padding: 16px 20px;
  background: var(--bg-alt);
  border-radius: 6px;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

/* Chart component */

.chart {
  margin-top: 24px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px 32px;
}

.chart-title {
  font-weight: 700;
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.chart-disclaimer {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-bottom: 20px;
}

.chart-plot {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 48px;
  height: 200px;
  border-bottom: 1px solid var(--ink);
  padding: 0 16px;
  margin-top: 20px;
}

.chart-plot-4 {
  gap: 24px;
}

.chart-col {
  flex: 1;
  max-width: 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  height: 100%;
}

.chart-value {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--ink);
  margin-bottom: 8px;
}

.bar {
  width: 100%;
  max-width: 64px;
  background: var(--chart-blue);
  border-radius: 4px 4px 0 0;
  cursor: default;
}

.bar-light {
  background: var(--chart-blue-light);
}

.bar-dark {
  background: var(--chart-blue);
}

.bar-placebo {
  background: var(--chart-gray);
  border-radius: 2px 2px 0 0;
}

.chart-cats {
  display: flex;
  justify-content: center;
  gap: 48px;
  padding: 0 16px;
  margin-top: 10px;
}

.chart-cats-4 {
  gap: 24px;
}

.chart-cat {
  flex: 1;
  max-width: 120px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.chart-legend {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 16px;
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.legend-swatch {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  display: inline-block;
}

.legend-light {
  background: var(--chart-blue-light);
}

.legend-placebo {
  background: var(--chart-gray);
}

.legend-dark {
  background: var(--chart-blue);
}

.chart-source {
  margin-top: 16px;
  font-size: 0.78rem;
  color: var(--ink-soft);
  text-align: center;
}

.chart-table {
  margin-top: 16px;
  font-size: 0.85rem;
}

.chart-table summary {
  color: var(--accent);
  font-weight: 600;
  cursor: pointer;
}

.chart-table table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
  font-size: 0.85rem;
}

.chart-table th,
.chart-table td {
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--ink-soft);
}

.chart-table th {
  color: var(--ink);
  font-weight: 700;
}

/* Stat tiles (reuse expand-card interaction) */

.stat-tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.stat-tiles-2 {
  grid-template-columns: repeat(2, 1fr);
  max-width: 600px;
}

.stat-tile {
  text-align: left;
}

.stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 6px;
}

.stat-tile h3 {
  font-size: 0.95rem;
  color: var(--ink);
}

/* Liposomal section */

.liposomal-section > p {
  color: var(--ink-soft);
  max-width: 760px;
  margin-top: 16px;
}

.placeholder-note {
  color: var(--ink-soft);
  font-style: italic;
  border-left: 2px solid var(--border);
  padding-left: 16px;
}

/* References */

.references-list {
  list-style: none;
  margin-top: 20px;
}

.references-list li {
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.references-list li:last-child {
  border-bottom: none;
}

.references-list a {
  color: var(--accent);
  text-decoration: underline;
}

/* Responsive */

@media (max-width: 900px) {
  .hero,
  .product-hero,
  .facts-section {
    grid-template-columns: 1fr;
  }

  .hero-media {
    order: -1;
  }

  .science-grid,
  .pillars-grid,
  .trust-cards-grid,
  .testimonial-grid,
  .stat-tiles {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    gap: 0;
    padding: 8px 24px 16px;
  }

  .main-nav.nav-open {
    display: flex;
  }

  .main-nav a {
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
  }

  .main-nav a:last-child {
    border-bottom: none;
  }

  .header-inner {
    position: relative;
  }

  .nav-toggle {
    display: block;
  }

  .science-grid,
  .pillars-grid,
  .trust-cards-grid,
  .testimonial-grid,
  .stat-tiles,
  .stat-tiles-2 {
    grid-template-columns: 1fr;
  }

  section {
    padding: 72px 0;
  }

  .usage-content {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .chart-plot,
  .chart-cats {
    gap: 16px;
  }

  .chart {
    padding: 24px 16px;
  }

  .canister-svg {
    max-width: 160px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .canister-svg {
    transform: none !important;
  }
}