/* =========================================================
   GLUCONARA — Premium Supplement Landing Page
   Design system: Balance Dial
   ========================================================= */

:root {
  --color-primary: #c71012;
  --color-primary-dark: #8f0b0d;
  --color-primary-light: #e94447;
  --color-ink: #201a17;
  --color-ink-soft: #4a413c;
  --color-paper: #faf6f1;
  --color-paper-alt: #f2ece2;
  --color-gold: #b8892b;
  --color-gold-light: #f4e6c8;
  --color-sage: #52735c;
  --color-sage-light: #e7efe6;
  --color-line: #e8ded2;
  --color-white: #ffffff;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "IBM Plex Mono", monospace;

  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 28px;

  --shadow-soft: 0 12px 40px rgba(32, 26, 23, 0.08);
  --shadow-card: 0 8px 24px rgba(32, 26, 23, 0.06);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-ink);
  background: var(--color-paper);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
.font-display {
  font-family: var(--font-display);
  color: var(--color-ink);
  font-weight: 600;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.6rem);
  line-height: 1.08;
  font-weight: 700;
}
h2 {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  line-height: 1.18;
}
h3 {
  font-size: clamp(1.25rem, 2vw, 1.6rem);
}
h4 {
  font-size: 1.05rem;
  font-weight: 700;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}
a:hover {
  color: var(--color-primary-dark);
}

:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: 3px;
}

.section {
  padding: 88px 0;
}
.section-alt {
  background: var(--color-paper-alt);
}
.section-sage {
  background: var(--color-sage-light);
}
.section-ink {
  background: var(--color-ink);
  color: #f2ece5;
}
.section-ink h2,
.section-ink h3,
.section-ink p {
  color: #f2ece5;
}

.container-narrow {
  max-width: 860px;
  margin: 0 auto;
}

/* ---------- Eyebrow / signature dial-tick ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 3px solid var(--color-gold);
  border-right-color: transparent;
  border-bottom-color: transparent;
  transform: rotate(45deg);
  display: inline-block;
}
.section-ink .eyebrow {
  color: var(--color-gold-light);
}

.section-title {
  margin-bottom: 18px;
}
.section-lead {
  color: var(--color-ink-soft);
  font-size: 1.08rem;
  max-width: 680px;
}

/* ---------- Buttons ---------- */
.btn-brand {
  background: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    var(--color-primary-dark) 100%
  );
  color: #fff;
  border: none;
  padding: 16px 34px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: 0.01em;
  box-shadow: 0 10px 24px rgba(199, 16, 18, 0.32);
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease;
}
.btn-brand:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(199, 16, 18, 0.4);
}
.btn-outline-brand {
  background: transparent;
  border: 2px solid var(--color-ink);
  color: var(--color-ink);
  padding: 14px 30px;
  border-radius: 999px;
  font-weight: 700;
}
.btn-outline-brand:hover {
  background: var(--color-ink);
  color: #fff;
}
.btn-sm-note {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-ink-soft);
  margin-top: 10px;
}

/* ---------- Navbar ---------- */
.navbar-gluconara {
  background: rgba(250, 246, 241, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-line);
  padding: 14px 0;
}
.navbar-brand-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--color-ink);
}
.navbar-brand-text span {
  color: var(--color-primary);
}
.nav-cta-mini {
  background: var(--color-primary);
  color: #fff;
  padding: 9px 20px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
}
.nav-cta-mini:hover {
  background: var(--color-primary-dark);
  color: #fff;
}

/* ---------- Hero ---------- */
.hero {
  padding: 60px 0 70px;
  background:
    radial-gradient(
      circle at 82% 18%,
      rgba(184, 137, 43, 0.16),
      transparent 45%
    ),
    radial-gradient(
      circle at 10% 90%,
      rgba(82, 115, 92, 0.14),
      transparent 40%
    ),
    var(--color-paper);
  overflow: hidden;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-ink-soft);
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
}
.hero-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-sage);
  display: inline-block;
}
.hero h1 .accent {
  color: var(--color-primary);
}
.hero-stats {
  display: flex;
  gap: 28px;
  margin-top: 34px;
  flex-wrap: wrap;
}
.hero-stat-num {
  font-family: var(--font-mono);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--color-primary);
}
.hero-stat-label {
  font-size: 0.82rem;
  color: var(--color-ink-soft);
}

.hero-dial-wrap {
  position: relative;
}
.hero-dial-glow {
  position: absolute;
  inset: -10%;
  background: radial-gradient(circle, rgba(199, 16, 18, 0.1), transparent 60%);
  z-index: 0;
}
.hero-product-card {
  position: relative;
  z-index: 1;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--color-line);
}

/* ---------- Trust strip ---------- */
.trust-strip {
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  padding: 20px 0;
  background: var(--color-white);
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--color-ink-soft);
  justify-content: center;
  text-align: center;
}

/* ---------- Image placeholder ---------- */
.image-placeholder {
  border: 2px dashed var(--color-gold);
  border-radius: var(--radius-md);
  background: var(--color-gold-light);
  color: var(--color-ink-soft);
  padding: 22px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.7;
  width: 100%;
}
.image-placeholder strong {
  color: var(--color-ink);
  font-family: var(--font-body);
}
.image-placeholder .ph-icon {
  font-size: 1.8rem;
  display: block;
  margin-bottom: 6px;
}

/* ---------- Cards ---------- */
.card-soft {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-line);
  height: 100%;
}
.benefit-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--color-sage-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-sage);
  font-size: 1.4rem;
  margin-bottom: 18px;
}

/* ---------- Ingredients (lab card) ---------- */
.lab-card {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 100%;
  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}
.lab-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
}
.lab-card-dose {
  font-family: var(--font-mono);
  background: var(--color-ink);
  color: var(--color-gold-light);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.75rem;
  display: inline-block;
}
.lab-card-body {
  padding: 22px;
}

/* ---------- Steps (how it works / how to use) ---------- */
.step-row {
  display: flex;
  gap: 20px;
  margin-bottom: 30px;
}
.step-mark {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.95rem;
  min-width: 34px;
  height: 34px;
  border: 2px solid var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ---------- Reviews ---------- */
.review-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 28px;
  border: 1px solid var(--color-line);
  height: 100%;
}
.review-stars {
  color: var(--color-gold);
  letter-spacing: 2px;
  margin-bottom: 10px;
}
.review-name {
  font-weight: 700;
  font-family: var(--font-display);
}
.review-verified {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-sage);
  background: var(--color-sage-light);
  padding: 3px 10px;
  border-radius: 999px;
}

/* ---------- Pricing ---------- */
.price-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 34px 26px;
  text-align: center;
  border: 2px solid var(--color-line);
  position: relative;
  height: 100%;
}
.price-card.featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-soft);
  transform: scale(1.04);
}
.price-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 999px;
  font-family: var(--font-mono);
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.price-bottles {
  font-family: var(--font-mono);
  color: var(--color-ink-soft);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.price-amount {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 10px 0 0;
}
.price-per-bottle {
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  margin-bottom: 14px;
}
.price-strike {
  text-decoration: line-through;
  color: #b7ada3;
  font-size: 0.95rem;
}
.price-save {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  background: var(--color-sage-light);
  color: var(--color-sage);
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  margin: 8px 0 18px;
}

/* ---------- Guarantee ---------- */
.guarantee-seal {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  border: 3px dashed var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  font-family: var(--font-display);
  color: var(--color-primary);
  text-align: center;
  margin: 0 auto;
  background: var(--color-white);
}
.guarantee-seal .g-num {
  font-size: 2.1rem;
  font-weight: 700;
  line-height: 1;
}
.guarantee-seal .g-txt {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  color: var(--color-ink-soft);
}

/* ---------- Tables (advantages / considerations) ---------- */
.compare-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-line);
}
.compare-list li:last-child {
  border-bottom: none;
}
.compare-yes {
  color: var(--color-sage);
  font-weight: 700;
}
.compare-no {
  color: var(--color-primary);
  font-weight: 700;
}

/* ---------- FAQ ---------- */
.accordion-button {
  font-family: var(--font-display);
  font-weight: 600;
  background: var(--color-white);
  color: var(--color-ink);
}
.accordion-button:not(.collapsed) {
  background: var(--color-sage-light);
  color: var(--color-ink);
  box-shadow: none;
}
.accordion-button:focus {
  box-shadow: none;
  outline: 3px solid var(--color-gold);
}
.accordion-item {
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm) !important;
  margin-bottom: 12px;
  overflow: hidden;
}

/* ---------- Final CTA ---------- */
.final-cta {
  background: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    var(--color-primary-dark) 100%
  );
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  color: #fff;
  text-align: center;
}
.final-cta h2,
.final-cta p {
  color: #fff;
}
.final-cta .btn-brand {
  background: #fff;
  color: var(--color-primary);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2);
}
.final-cta .btn-brand:hover {
  background: var(--color-gold-light);
  color: var(--color-primary-dark);
}

/* ---------- Footer ---------- */
footer {
  background: var(--color-ink);
  color: #cfc6bd;
  padding: 60px 0 24px;
  font-size: 0.92rem;
}
footer a {
  color: #e9e2d8;
}
footer a:hover {
  color: var(--color-gold);
}
footer h5 {
  color: #fff;
  font-family: var(--font-display);
  margin-bottom: 16px;
}
.footer-legal-note {
  border-top: 1px solid #3a332f;
  margin-top: 36px;
  padding-top: 22px;
  font-size: 0.78rem;
  color: #9a8f84;
  line-height: 1.8;
}
.back-to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-soft);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  z-index: 999;
}
.back-to-top.show {
  opacity: 1;
  pointer-events: auto;
}

/* ---------- Sticky mobile CTA ---------- */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-white);
  border-top: 1px solid var(--color-line);
  padding: 12px 16px;
  z-index: 998;
  box-shadow: 0 -8px 20px rgba(0, 0, 0, 0.08);
  display: none;
}
.sticky-cta.show {
  display: flex;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .lab-card,
  .btn-brand {
    transition: none;
  }
}