:root {
  --ink: #18324a;
  --ink-soft: #3d5368;
  --muted: #607487;
  --bg: #ffffff;
  --bg-soft: #f8fbff;
  --bg-blue: #eef6ff;
  --bg-blue-2: #e3f0ff;
  --card: #ffffff;
  --card-soft: #f7fbff;
  --accent: #3f7fbe;
  --accent-strong: #245f9b;
  --accent-soft: #d9eaf9;
  --line: rgba(24, 50, 74, 0.08);
  --line-strong: rgba(24, 50, 74, 0.14);
  --shadow-sm: 0 10px 30px rgba(18, 42, 66, 0.05);
  --shadow: 0 18px 50px rgba(18, 42, 66, 0.08), 0 2px 10px rgba(18, 42, 66, 0.03);
  --shadow-lg: 0 26px 72px rgba(18, 42, 66, 0.11), 0 4px 16px rgba(18, 42, 66, 0.04);
  --radius-sm: 20px;
  --radius: 26px;
  --radius-lg: 38px;
  --max: 1160px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 0%, rgba(162, 203, 241, 0.13), transparent 18%),
    radial-gradient(circle at 92% 2%, rgba(197, 225, 248, 0.16), transparent 22%),
    radial-gradient(circle at 50% 24%, rgba(231, 242, 255, 0.52), transparent 30%),
    linear-gradient(180deg, #ffffff 0%, #f8fbff 52%, #fdfefe 100%);
  line-height: 1.72;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: 'Fraunces', serif;
  color: var(--ink);
  line-height: 1.01;
  font-weight: 600;
  letter-spacing: -0.034em;
  text-wrap: balance;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(var(--max), 92vw); margin: 0 auto; }

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.84);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(24, 50, 74, 0.06);
  box-shadow: 0 8px 28px rgba(18, 42, 66, 0.04);
}
.nav-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: -0.03em;
}
.logo img { width: 42px; height: 42px; object-fit: contain; }
.logo span span { color: var(--accent); }
.brand-badge {
  font-style: normal;
  margin-left: 4px;
  border: 1px solid rgba(63, 127, 190, 0.16);
  background: rgba(255,255,255,0.9);
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 0.68rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  white-space: nowrap;
}
.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px 22px;
  font-size: 0.94rem;
  font-weight: 650;
  color: rgba(24, 50, 74, 0.76);
}
.nav-links a:hover { color: var(--accent); }
.nav-cta {
  border-radius: 999px;
  background: var(--accent-strong);
  color: #fff !important;
  padding: 10px 16px;
  box-shadow: 0 12px 28px rgba(36, 95, 155, 0.16);
}

.section { padding: 84px 0; }
.section.tight { padding-top: 34px; }
.section.soft { background: linear-gradient(180deg, #ffffff 0%, #f5f9ff 100%); }
.section.blue { background: linear-gradient(180deg, #f8fbff 0%, #eef6ff 100%); }
.contact-section .contact-card { max-width: 760px; margin: 0 auto; }
.contact-section { padding-top: 72px; }
.section-header { max-width: 760px; margin: 0 auto 34px; }
.section-header.center { text-align: center; }
.section h2 { font-size: clamp(2.16rem, 4.1vw, 3.55rem); }
.section-header h2 { max-width: 11.5em; margin-left: auto; margin-right: auto; }
.panel h2, .duo-slab h2, .contact-card h3 { max-width: 11.5em; }
.section p, .hero-lede, .support-text, .notice, .order-note, .chart-note, .small-note { color: var(--muted); }
.section-header p { max-width: 46rem; margin: 14px auto 0; }
.hero-lede, .panel p, .benefit-card p, .research-card p, .video-card p, .order-card p, .contact-card p { max-width: 60ch; }
.eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--accent);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 800;
  font-size: 0.76rem;
}

.hero {
  padding: 100px 0 78px;
  background:
    radial-gradient(circle at 12% 12%, rgba(150, 197, 241, 0.14), transparent 24%),
    radial-gradient(circle at 88% 4%, rgba(190, 221, 248, 0.18), transparent 28%),
    radial-gradient(circle at 50% 0%, rgba(233, 243, 255, 0.9), transparent 36%),
    linear-gradient(180deg, #ffffff 0%, #f4f9ff 100%);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.78fr);
  gap: 36px;
  align-items: center;
}
h1 { font-size: clamp(2.8rem, 5.2vw, 4.55rem); max-width: 10.1em; }
.hero-lede { max-width: 620px; margin-top: 18px; font-size: clamp(1rem, 1.7vw, 1.12rem); }
.button-row { margin-top: 32px; display: flex; gap: 12px 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 15px 24px;
  min-height: 50px;
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.012em;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(180deg, #2e6faa 0%, #245f9b 100%);
  color: #fff;
  border: 1px solid rgba(36, 95, 155, 0.18);
  box-shadow: 0 14px 30px rgba(36, 95, 155, 0.18);
}
.btn-primary:hover { box-shadow: 0 18px 36px rgba(36, 95, 155, 0.22); }
.btn-secondary {
  background: rgba(255,255,255,0.96);
  color: var(--ink);
  border: 1px solid var(--line-strong);
  box-shadow: 0 8px 18px rgba(18, 42, 66, 0.05);
}
.btn-secondary:hover { border-color: rgba(63, 127, 190, 0.22); color: var(--accent-strong); }
.badge-row, .pill-row, .contact-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.badge, .pill, .contact-points span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(63, 127, 190, 0.12);
  background: #fff;
  color: var(--ink);
  border-radius: 999px;
  padding: 9px 13px;
  font-size: 0.84rem;
  font-weight: 750;
}

.card, .hero-photo, .contact-card, .panel, .benefit-card, .research-card, .video-card, .order-card, .faq details, .quote-card, .mini-card, .table-shell {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.card:hover, .hero-photo:hover, .contact-card:hover, .panel:hover, .benefit-card:hover, .research-card:hover, .video-card:hover, .order-card:hover, .faq details:hover, .quote-card:hover, .mini-card:hover, .table-shell:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(63, 127, 190, 0.16);
}

.hero-side { display: flex; flex-direction: column; gap: 16px; }
.hero-photo { padding: 18px; background: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%); }
.hero-photo img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 20px; filter: saturate(0.96) contrast(1.02) brightness(1.01); }
.contact-card { padding: 22px 24px; background: linear-gradient(180deg, #ffffff 0%, #f8fbff 100%); }
.contact-card h3 { font-size: 1.92rem; margin-bottom: 10px; }
.contact-card p { color: var(--muted); margin-bottom: 14px; }
.contact-email {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 16px;
  border-radius: 999px;
  background: var(--card-soft);
  border: 1px solid var(--line);
  color: var(--accent-strong);
  font-weight: 800;
}

.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.panel, .benefit-card, .research-card, .video-card, .order-card, .mini-card { padding: 30px; }
.panel h3, .benefit-card h3, .research-card h3, .video-card h3, .order-card h3, .mini-card h3 {
  font-family: 'Inter', sans-serif;
  font-size: 1.08rem;
  line-height: 1.34;
  letter-spacing: -0.018em;
  margin-bottom: 10px;
}
.panel h2 { margin-bottom: 12px; }
.icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--accent-strong);
  background: var(--accent-soft);
  margin-bottom: 16px;
  font-weight: 900;
}
.text-link { color: var(--accent-strong); font-weight: 800; }

.image-split {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 34px;
  align-items: center;
}
.image-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.image-card img { width: 100%; min-height: 420px; height: 100%; object-fit: cover; }

.table-shell { overflow: hidden; }
.synergy-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 860px;
}
.synergy-table th, .synergy-table td {
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.synergy-table th { background: #f1f7ff; font-weight: 850; }
.synergy-table td { color: var(--muted); }
.synergy-table td:first-child { color: var(--ink); font-weight: 800; }
.table-scroll { overflow-x: auto; }
.chart-note { margin-top: 12px; font-size: 0.84rem; }

.duo-slab {
  background: linear-gradient(180deg, #ffffff 0%, #f5f9ff 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow);
}
.duo-slab-grid {
  display: grid;
  grid-template-columns: 1fr 0.92fr;
  gap: 28px;
  align-items: center;
}
.duo-slab img {
  width: 100%;
  height: 100%;
  min-height: 300px;
  object-fit: cover;
  border-radius: 20px;
}

.video-embed, .featured-video {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  background: #dcecf9;
}
.video-embed iframe, .featured-video iframe {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 0;
}
.video-grid { display: grid; gap: 20px; }
.video-card { display: grid; grid-template-columns: minmax(260px, 0.85fr) minmax(0, 1.15fr); gap: 22px; align-items: center; }

.order-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.order-card.featured {
  background: linear-gradient(180deg, #ffffff 0%, #f5f9ff 100%);
  border-color: rgba(63, 127, 190, 0.18);
}
.option-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 7px 12px;
  background: linear-gradient(180deg, #eef6ff 0%, #e3f0ff 100%);
  color: var(--accent-strong);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 800;
  margin-bottom: 14px;
}
.order-card ul { padding-left: 18px; color: var(--muted); display: grid; gap: 9px; margin: 16px 0 20px; }
.level-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 18px; margin-bottom: 18px; box-shadow: var(--shadow); }
.level-card .ingredient-note { margin-top: 12px; font-size: 0.86rem; color: var(--muted); }
.order-support { margin-top: 16px; padding: 14px 16px; border-radius: 16px; border: 1px solid var(--line); background: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%); color: var(--muted); }
.order-support a { color: var(--accent-strong); font-weight: 800; }
.order-card .button-row.single-link { justify-content: center; }
.order-note { margin-top: 18px; font-size: 0.92rem; }

.faq { display: grid; gap: 12px; }
.faq details { padding: 18px 20px; }
.faq summary { cursor: pointer; font-weight: 800; }
.faq details p { margin-top: 10px; color: var(--muted); }
.quote-card { padding: 32px; }
.quote { font-size: clamp(2rem, 4.4vw, 3.6rem); }

.footer {
  padding: 26px 0 34px;
  border-top: 1px solid var(--line);
  background: #fff;
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 0.96rem;
  color: var(--ink-soft);
}
.notice {
  margin-top: 16px;
  font-size: 0.82rem;
}

@media (max-width: 1024px) {
  .hero-grid, .image-split, .duo-slab-grid, .video-card { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
  .grid-3, .order-grid, .grid-2 { grid-template-columns: 1fr; }
  .nav-inner { padding: 10px 0; align-items: flex-start; }
  .logo { flex-wrap: wrap; }
  .brand-badge { margin-left: 54px; }
}

@media (max-width: 680px) {
  h1 { font-size: clamp(2.3rem, 11.4vw, 3.2rem); }
  .section { padding: 62px 0; }
  .grid-4 { grid-template-columns: 1fr; }
  .btn { width: 100%; }
  .nav-links { gap: 10px 14px; }
  .hero { padding-top: 72px; }
  .section-header { margin-bottom: 28px; }
  .panel, .benefit-card, .research-card, .video-card, .order-card, .mini-card, .contact-card { padding: 24px; }
}