/* NorthStar Neurotech — shared styles */
:root {
  --navy: #0a1a3a;
  --navy-soft: #43506b;
  --royal: #0044a1;
  --royal-deep: #00347c;
  --sky: #0e9cdc;
  --sky-soft: #8fd3f2;
  --ice: #f4f8fd;
  --mist: #e4eef9;
  --white: #ffffff;
  --line: rgba(10, 26, 58, 0.09);
  --glass: rgba(255, 255, 255, 0.62);
  --glass-strong: rgba(255, 255, 255, 0.82);
  --glass-edge: rgba(255, 255, 255, 0.9);
  --shadow-sm: 0 1px 2px rgba(10, 26, 58, 0.05), 0 4px 14px -6px rgba(10, 26, 58, 0.12);
  --shadow: 0 1px 2px rgba(10, 26, 58, 0.04), 0 18px 48px -18px rgba(0, 52, 124, 0.28);
  --r-xl: 32px;
  --r-lg: 24px;
  --r-md: 16px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --display: "Sora", system-ui, sans-serif;
  --body: "DM Sans", system-ui, sans-serif;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
  margin: 0;
  font-family: var(--body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--navy);
  background: var(--ice);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--royal); }
p { margin: 0; }
h1, h2, h3, h4 { font-family: var(--display); font-weight: 600; line-height: 1.12; letter-spacing: -0.025em; margin: 0; color: var(--navy); }
h1 { font-size: clamp(2.5rem, 5.6vw, 4.25rem); }
h2 { font-size: clamp(1.9rem, 3.6vw, 2.75rem); }
h3 { font-size: 1.3rem; letter-spacing: -0.015em; }
:focus-visible { outline: 3px solid var(--sky); outline-offset: 3px; border-radius: 8px; }
.wrap { width: min(1180px, 100% - 32px); margin-inline: auto; }
.narrow { max-width: 760px; }
.muted { color: var(--navy-soft); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Soft blue light behind the glass */
.backdrop { position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; background: linear-gradient(180deg, #f7fbff 0%, var(--ice) 60%); }
.backdrop span { position: absolute; border-radius: 50%; filter: blur(90px); }
.backdrop .b1 { width: 48vw; height: 48vw; right: -12vw; top: -16vw; background: rgba(14, 156, 220, 0.28); }
.backdrop .b2 { width: 40vw; height: 40vw; left: -14vw; top: 30vh; background: rgba(0, 68, 161, 0.14); }
.backdrop .b3 { width: 36vw; height: 36vw; right: 10vw; bottom: -18vw; background: rgba(143, 211, 242, 0.35); }

.glass {
  background: var(--glass);
  backdrop-filter: blur(20px) saturate(170%);
  -webkit-backdrop-filter: blur(20px) saturate(170%);
  border: 1px solid var(--glass-edge);
  box-shadow: var(--shadow);
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 24px; border-radius: 999px; border: 1px solid transparent; cursor: pointer;
  font: 600 1rem/1 var(--body); text-decoration: none; white-space: nowrap;
  background: var(--royal); color: var(--white);
  box-shadow: 0 10px 24px -12px rgba(0, 68, 161, 0.7);
  transition: background .2s, transform .2s, box-shadow .2s;
}
.btn:hover { background: var(--royal-deep); transform: translateY(-1px); }
.btn.secondary { background: var(--glass-strong); color: var(--navy); border-color: var(--line); box-shadow: var(--shadow-sm); }
.btn.secondary:hover { background: var(--white); }
.btn.small { padding: 10px 16px; font-size: .92rem; }
.text-link { font-weight: 600; text-decoration: none; display: inline-flex; gap: 6px; align-items: center; }
.text-link:hover { text-decoration: underline; text-underline-offset: 4px; }

/* Header */
.site-header { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50; padding: 14px 0; transition: padding .25s; }
.site-header .bar {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 10px 12px 10px 22px; border-radius: 999px;
}
.logo img { height: 64px; width: auto; margin-block: -4px; }
.nav { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav a { display: block; padding: 9px 15px; border-radius: 999px; color: var(--navy-soft); text-decoration: none; font-weight: 500; font-size: .97rem; transition: background .2s, color .2s; }
.nav a:hover { color: var(--navy); background: rgba(14, 156, 220, 0.08); }
.nav a[aria-current="page"] { color: var(--royal); background: rgba(14, 156, 220, 0.12); }
.header-cta { display: flex; align-items: center; gap: 8px; }
.menu-btn { display: none; width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--line); background: var(--white); cursor: pointer; align-items: center; justify-content: center; }
.menu-btn svg { width: 22px; height: 22px; }
@media (max-width: 960px) {
  .menu-btn { display: inline-flex; }
  .header-cta .btn { display: none; }
  .nav {
    position: absolute; left: 16px; right: 16px; top: calc(100% - 4px);
    flex-direction: column; align-items: stretch; padding: 10px; border-radius: var(--r-lg);
    background: var(--white);
    border: 1px solid var(--glass-edge); box-shadow: var(--shadow);
    display: flex; opacity: 0; visibility: hidden; transform: translateY(-10px) scale(.98); transform-origin: top center;
    transition: opacity .28s var(--ease), transform .28s var(--ease), visibility 0s linear .28s;
  }
  .nav.open { opacity: 1; visibility: visible; transform: none; transition: opacity .28s var(--ease), transform .28s var(--ease), visibility 0s; }
  .nav.open li { animation: rise .4s var(--ease) both; animation-delay: calc(var(--i, 0) * 40ms); }
  .nav a { padding: 14px 16px; font-size: 1.05rem; }
  .nav .mobile-cta { display: block; margin-top: 6px; }
  .nav .mobile-cta a { background: var(--royal); color: var(--white); text-align: center; }
}
@media (min-width: 961px) { .nav .mobile-cta { display: none; } }
@media (max-width: 420px) { .logo img { height: 46px; } }

/* Sections */
section { padding: clamp(64px, 9vw, 112px) 0; }
.section-head { max-width: 680px; margin-bottom: clamp(32px, 4vw, 48px); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head p { margin-top: 16px; font-size: 1.15rem; color: var(--navy-soft); }
.kicker { display: inline-block; margin-bottom: 14px; color: var(--royal); font-weight: 600; font-size: .98rem; }
.band { background: var(--white); border-block: 1px solid var(--line); }

/* Page hero (inner pages) */
.page-hero { padding: clamp(48px, 7vw, 88px) 0 clamp(40px, 5vw, 64px); }
.page-hero p { margin-top: 18px; font-size: 1.2rem; color: var(--navy-soft); max-width: 60ch; }
.crumbs { font-size: .92rem; color: var(--navy-soft); margin-bottom: 18px; }
.crumbs a { color: inherit; }

/* Home hero */
.hero { overflow-x: clip; padding: clamp(40px, 6vw, 80px) 0 clamp(64px, 8vw, 104px); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(32px, 5vw, 64px); align-items: center; }
.pill {
  display: inline-flex; align-items: center; gap: 10px; padding: 6px 14px 6px 6px; border-radius: 999px;
  font-size: .95rem; font-weight: 500; text-decoration: none; color: var(--navy);
  background: var(--glass-strong); border: 1px solid var(--line); box-shadow: var(--shadow-sm);
}
.pill b { background: var(--royal); color: var(--white); padding: 3px 10px; border-radius: 999px; font-weight: 600; font-size: .85rem; }
.hero h1 { margin-top: 22px; max-width: 15ch; }
.hero .lede { margin-top: 22px; font-size: 1.22rem; color: var(--navy-soft); max-width: 48ch; }
.hero .actions { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 12px; }
.hero-assurance { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 10px 26px; padding: 0; list-style: none; color: var(--navy-soft); font-size: .97rem; }
.hero-assurance li { display: flex; align-items: center; gap: 8px; }
.hero-assurance svg { width: 18px; height: 18px; color: var(--sky); flex: none; }

.hero-visual { position: relative; aspect-ratio: 1 / 1; max-width: 560px; margin-left: auto; width: 100%; }
.hero-visual .mark { position: absolute; inset: -2%; opacity: .16; animation: drift 40s linear infinite; }
@keyframes drift { to { transform: rotate(360deg); } }
.hero-stage { position: absolute; inset: 14% 6% 10%; border-radius: var(--r-xl); display: flex; align-items: flex-end; justify-content: center; gap: 4%; padding: 0 8% 10%; }
.hero-stage .vial { width: 28%; }
.hero-stage .vial:nth-child(2) { width: 31%; margin-bottom: 4%; }
.hero-card { position: absolute; padding: 14px 18px; border-radius: var(--r-md); font-size: .92rem; line-height: 1.35; }
.hero-card strong { display: block; font-family: var(--display); font-size: 1.05rem; color: var(--navy); }
.hero-card span { color: var(--navy-soft); }
.hero-card.c1 { left: -2%; top: 8%; }
.hero-card.c2 { right: -2%; bottom: 2%; }
.hero-card .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: #1fb67a; margin-right: 6px; }
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { margin: 8px auto 0; max-width: 440px; }
  .hero-card.c1 { left: 0; top: 4%; }
  .hero-card.c2 { right: 0; bottom: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-visual .mark { animation: none; }
  html { scroll-behavior: auto; }
  .reveal.pending { opacity: 1; transform: none; }
}

/* Vial illustration */
.vial svg { width: 100%; height: auto; overflow: visible; filter: drop-shadow(0 18px 22px rgba(0, 52, 124, 0.22)); }

/* Trust strip */
.trust { padding: 0 0 clamp(48px, 6vw, 72px); }
.trust ul { list-style: none; margin: 0; padding: 22px 28px; border-radius: var(--r-lg); display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.trust li { display: flex; gap: 14px; align-items: flex-start; }
.trust .ico { flex: none; width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: linear-gradient(135deg, var(--sky), var(--royal)); color: var(--white); }
.trust .ico svg { width: 20px; height: 20px; }
.trust strong { display: block; font-family: var(--display); font-weight: 600; font-size: 1rem; }
.trust span { font-size: .93rem; color: var(--navy-soft); }
@media (max-width: 900px) { .trust ul { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .trust ul { grid-template-columns: 1fr; } }

/* Treatment cards */
.treatments { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.treatment { position: relative; overflow: hidden; border-radius: var(--r-xl); padding: clamp(28px, 4vw, 44px); display: flex; flex-direction: column; min-height: 420px; }
.treatment p { margin-top: 14px; color: var(--navy-soft); max-width: 42ch; }
.treatment ul { margin: 20px 0 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.treatment li { padding: 6px 12px; border-radius: 999px; background: var(--white); border: 1px solid var(--line); font-size: .9rem; font-weight: 500; }
.treatment .foot { margin-top: auto; padding-top: 28px; display: flex; gap: 12px; flex-wrap: wrap; }
.treatment.feature { background: linear-gradient(150deg, var(--royal) 0%, #0a5cc4 55%, var(--sky) 130%); color: var(--white); border: 0; }
.treatment.feature h3, .treatment.feature p { color: var(--white); }
.treatment.feature p { opacity: .88; }
.treatment.feature li { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.28); color: var(--white); }
.treatment.feature .btn { background: var(--white); color: var(--royal); }
.treatment .art { position: absolute; right: -40px; bottom: -40px; width: 240px; opacity: .14; pointer-events: none; }
.treatment h3 { font-size: clamp(1.6rem, 2.6vw, 2rem); }
@media (max-width: 860px) { .treatments { grid-template-columns: 1fr; } .treatment { min-height: 0; } }

/* Medication cards */
.meds { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.med { border-radius: var(--r-lg); padding: 28px; display: flex; flex-direction: column; text-decoration: none; color: inherit; transition: transform .25s, box-shadow .25s; }
a.med:hover { transform: translateY(-4px); box-shadow: 0 28px 60px -24px rgba(0, 52, 124, 0.4); }
.med .vial-wrap { height: 210px; display: flex; justify-content: center; align-items: flex-end; margin-bottom: 22px; border-radius: var(--r-md); background: radial-gradient(120% 90% at 50% 100%, rgba(14,156,220,.16), transparent 70%); }
.med .vial { width: 110px; }
.med .tag { font-size: .85rem; font-weight: 600; color: var(--royal); }
.med h3 { margin-top: 6px; }
.med p { margin-top: 10px; color: var(--navy-soft); font-size: .98rem; }
.med .text-link { margin-top: auto; padding-top: 18px; }
@media (max-width: 900px) { .meds { grid-template-columns: 1fr; max-width: 520px; margin-inline: auto; } }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.stat { border-radius: var(--r-lg); padding: 30px; }
.stat .num { font-family: var(--display); font-weight: 600; font-size: clamp(2.6rem, 4.6vw, 3.6rem); letter-spacing: -0.04em; line-height: 1; background: linear-gradient(120deg, var(--royal), var(--sky)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat h3 { margin-top: 16px; font-size: 1.1rem; }
.stat p { margin-top: 8px; color: var(--navy-soft); font-size: .96rem; }
.stat cite { display: block; margin-top: 14px; font-style: normal; font-size: .84rem; color: var(--navy-soft); }
.footnote { margin-top: 24px; font-size: .88rem; color: var(--navy-soft); max-width: 90ch; }
@media (max-width: 900px) { .stats { grid-template-columns: 1fr; } }

/* Results timeline */
.timeline { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.track { border-radius: var(--r-lg); padding: 30px; }
.track h3 { display: flex; align-items: center; gap: 12px; }
.track h3::before { content: ""; width: 12px; height: 12px; border-radius: 50%; background: var(--c, var(--sky)); box-shadow: 0 0 0 5px color-mix(in srgb, var(--c, var(--sky)) 18%, transparent); }
.track ol { list-style: none; margin: 24px 0 0; padding: 0; position: relative; }
.track ol::before { content: ""; position: absolute; left: 5px; top: 8px; bottom: 8px; width: 2px; background: var(--mist); }
.track li { position: relative; padding-left: 32px; }
.track li + li { margin-top: 22px; }
.track li::before { content: ""; position: absolute; left: 0; top: 7px; width: 12px; height: 12px; border-radius: 50%; background: var(--white); border: 2px solid var(--c, var(--sky)); }
.track .when { font-size: .9rem; color: var(--navy-soft); font-weight: 500; }
.track .range { display: block; font-family: var(--display); font-weight: 600; font-size: 1.5rem; letter-spacing: -0.02em; }
.track li p { margin-top: 4px; font-size: .96rem; color: var(--navy-soft); }
@media (max-width: 860px) { .timeline { grid-template-columns: 1fr; } }

/* Steps */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; counter-reset: s; }
.steps li { counter-increment: s; border-radius: var(--r-lg); padding: 30px; position: relative; }
.steps li::before {
  content: counter(s); display: grid; place-items: center; width: 44px; height: 44px; border-radius: 14px;
  background: linear-gradient(135deg, var(--sky), var(--royal)); color: var(--white);
  font-family: var(--display); font-weight: 600; margin-bottom: 20px;
}
.steps p { margin-top: 10px; color: var(--navy-soft); }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; } }

/* Chip cloud */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chips a, .chips span { padding: 10px 16px; border-radius: 999px; background: var(--white); border: 1px solid var(--line); text-decoration: none; color: var(--navy); font-weight: 500; box-shadow: var(--shadow-sm); transition: border-color .2s, color .2s; }
.chips a:hover { border-color: var(--sky); color: var(--royal); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px, 5vw, 64px); align-items: center; }
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

/* FAQ */
.faq { display: grid; gap: 12px; }
.faq details { border-radius: var(--r-md); background: var(--glass-strong); border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.faq summary { list-style: none; cursor: pointer; padding: 20px 24px; display: flex; justify-content: space-between; align-items: center; gap: 16px; font-family: var(--display); font-weight: 600; font-size: 1.08rem; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; flex: none; width: 28px; height: 28px; border-radius: 50%; background: var(--mist) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230044a1' stroke-width='2.5' stroke-linecap='round'%3E%3Cpath d='M12 6v12M6 12h12'/%3E%3C/svg%3E") center / 16px no-repeat; transition: transform .25s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .answer { padding: 0 24px 22px; color: var(--navy-soft); max-width: 72ch; }
.faq .answer p + p { margin-top: 10px; }

/* CTA band */
.cta {
  border-radius: var(--r-xl); padding: clamp(36px, 6vw, 64px); position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--navy) 0%, var(--royal) 70%, var(--sky) 140%); color: var(--white);
  display: grid; grid-template-columns: 1.4fr auto; gap: 32px; align-items: center;
}
.cta h2 { color: var(--white); }
.cta p { margin-top: 14px; opacity: .85; max-width: 52ch; font-size: 1.1rem; }
.cta .actions { display: flex; flex-wrap: wrap; gap: 12px; position: relative; }
.cta .btn { background: var(--white); color: var(--royal); }
.cta .btn.secondary { background: rgba(255,255,255,.12); color: var(--white); border-color: rgba(255,255,255,.3); }
.cta .art { position: absolute; right: -60px; top: -60px; width: 320px; opacity: .12; pointer-events: none; }
@media (max-width: 860px) { .cta { grid-template-columns: 1fr; } }

/* Footer */
.site-footer { background: var(--navy); color: rgba(255,255,255,.75); padding: 64px 0 36px; margin-top: clamp(64px, 8vw, 104px); }
.site-footer .top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 36px; }
.site-footer img { height: 64px; width: auto; }
.site-footer p { margin-top: 16px; font-size: .95rem; max-width: 34ch; }
.site-footer h4 { color: var(--white); font-size: 1rem; margin-bottom: 14px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; font-size: .95rem; }
.site-footer a { color: rgba(255,255,255,.8); text-decoration: none; }
.site-footer a:hover { color: var(--white); text-decoration: underline; text-underline-offset: 3px; }
.site-footer .legal { margin-top: 48px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.12); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; font-size: .85rem; }
.site-footer .legal p { margin: 0; max-width: 80ch; }
@media (max-width: 860px) { .site-footer .top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .site-footer .top { grid-template-columns: 1fr; } }

/* GLP-1 detail page */
.med-detail { display: grid; grid-template-columns: 300px 1fr; gap: clamp(28px, 5vw, 64px); align-items: start; padding: clamp(28px, 4vw, 48px); border-radius: var(--r-xl); }
.med-detail + .med-detail { margin-top: 28px; }
.med-detail .vial-wrap { position: sticky; top: 120px; border-radius: var(--r-lg); padding: 32px 24px 24px; background: radial-gradient(110% 80% at 50% 100%, rgba(14,156,220,.18), rgba(255,255,255,.4) 75%); display: flex; flex-direction: column; align-items: center; }
.med-detail .vial { width: 120px; }
.med-detail .facts { margin: 28px 0 0; display: grid; gap: 10px; width: 100%; font-size: .93rem; }
.med-detail .facts div { display: flex; justify-content: space-between; gap: 12px; border-top: 1px solid var(--line); padding-top: 10px; }
.med-detail .facts dt { color: var(--navy-soft); }
.med-detail .facts dd { margin: 0; font-weight: 600; text-align: right; }
.med-detail h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); }
.med-detail .sub { margin-top: 8px; color: var(--royal); font-weight: 600; }
.med-detail h3 { margin-top: 30px; font-size: 1.12rem; }
.med-detail p { margin-top: 10px; color: var(--navy-soft); }
.med-detail ul { margin: 12px 0 0; padding-left: 20px; color: var(--navy-soft); }
.med-detail li + li { margin-top: 6px; }
.notice { margin-top: 24px; padding: 16px 20px; border-radius: var(--r-md); background: rgba(14,156,220,.08); border: 1px solid rgba(14,156,220,.25); font-size: .95rem; color: var(--navy); }
@media (max-width: 860px) {
  .med-detail { grid-template-columns: 1fr; }
  .med-detail .vial-wrap { position: static; }
}

.compare-wrap { border-radius: var(--r-xl); padding: 8px; overflow-x: auto; }
table.compare { width: 100%; border-collapse: collapse; min-width: 720px; font-size: .98rem; }
.compare th, .compare td { text-align: left; padding: 18px 20px; vertical-align: top; }
.compare thead th { font-family: var(--display); font-size: 1.05rem; border-bottom: 1px solid var(--line); }
.compare tbody th { color: var(--navy-soft); font-weight: 500; width: 22%; }
.compare tbody tr + tr > * { border-top: 1px solid var(--line); }

.toc { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }

/* Peptides page */
.filters { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; margin-bottom: 28px; }
.search { position: relative; flex: 1 1 260px; max-width: 360px; }
.search input { width: 100%; padding: 14px 18px 14px 46px; border-radius: 999px; border: 1px solid var(--line); background: var(--white); color: var(--navy); font: 500 1rem var(--body); box-shadow: var(--shadow-sm); }
.search svg { position: absolute; left: 17px; top: 50%; transform: translateY(-50%); width: 18px; color: var(--navy-soft); }
.cats { display: flex; flex-wrap: wrap; gap: 8px; }
.cats button { border: 1px solid var(--line); background: var(--white); color: var(--navy-soft); padding: 9px 15px; border-radius: 999px; font: 600 .9rem var(--body); cursor: pointer; transition: all .2s; }
.cats button:hover { color: var(--navy); border-color: var(--sky); }
.cats button[aria-pressed="true"] { background: var(--royal); border-color: var(--royal); color: var(--white); }
.peptide-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; list-style: none; margin: 0; padding: 0; }
.peptide { border-radius: var(--r-lg); padding: 28px; display: grid; grid-template-columns: 76px 1fr; gap: 22px; }
.peptide .vial { width: 76px; align-self: start; }
.peptide .cat { font-size: .85rem; font-weight: 600; color: var(--royal); }
.peptide h3 { margin-top: 4px; }
.peptide .alias { display: block; font-family: var(--body); font-weight: 500; font-size: .92rem; color: var(--navy-soft); letter-spacing: 0; margin-top: 2px; }
.peptide .desc { margin-top: 10px; color: var(--navy-soft); font-size: .97rem; }
.peptide dl { margin: 18px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 18px; }
.peptide dt { font-size: .82rem; font-weight: 600; color: var(--navy-soft); }
.peptide dd { margin: 2px 0 0; font-size: .95rem; font-variant-numeric: tabular-nums; }
.peptide .wide { grid-column: 1 / -1; }
.peptide .btn { margin-top: 20px; }
.empty { grid-column: 1 / -1; text-align: center; padding: 48px 16px; color: var(--navy-soft); }
@media (max-width: 900px) { .peptide-grid { grid-template-columns: 1fr; } }
@media (max-width: 480px) { .peptide { grid-template-columns: 1fr; } .peptide .vial { width: 64px; } .peptide dl { grid-template-columns: 1fr; } }

/* About + contact */
.values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.value { border-radius: var(--r-lg); padding: 30px; }
.value p { margin-top: 10px; color: var(--navy-soft); }
@media (max-width: 860px) { .values { grid-template-columns: 1fr; } }
.prose p { color: var(--navy-soft); font-size: 1.1rem; }
.prose p + p { margin-top: 16px; }
.mark-panel { border-radius: var(--r-xl); aspect-ratio: 1 / 1; display: grid; place-items: center; padding: 18%; position: relative; overflow: hidden; }
.mark-panel img { position: relative; filter: drop-shadow(0 24px 40px rgba(0, 52, 124, 0.3)); }

.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: start; }
.contact-cards { display: grid; gap: 16px; }
.contact-card { border-radius: var(--r-lg); padding: 24px; display: flex; gap: 18px; align-items: flex-start; text-decoration: none; color: inherit; transition: transform .2s; }
a.contact-card:hover { transform: translateY(-2px); }
.contact-card .ico { flex: none; width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; background: linear-gradient(135deg, var(--sky), var(--royal)); color: var(--white); }
.contact-card .ico svg { width: 22px; height: 22px; }
.contact-card span { font-size: .9rem; color: var(--navy-soft); }
.contact-card strong { display: block; font-family: var(--display); font-weight: 600; font-size: 1.1rem; margin-top: 2px; word-break: break-word; }
.form { border-radius: var(--r-xl); padding: clamp(24px, 4vw, 40px); }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 6px; margin-top: 16px; }
.field label { font-weight: 600; font-size: .95rem; }
.field input, .field select, .field textarea { width: 100%; padding: 13px 16px; border-radius: 12px; border: 1px solid rgba(10,26,58,.16); background: var(--white); font: 400 1rem var(--body); color: var(--navy); }
.field textarea { min-height: 130px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--sky); box-shadow: 0 0 0 4px rgba(14,156,220,.18); }
.form .btn { margin-top: 24px; }
.form .hint { margin-top: 14px; font-size: .88rem; color: var(--navy-soft); }
.form-status { margin-top: 14px; font-weight: 600; color: var(--royal); }
@media (max-width: 860px) { .contact-grid { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .form .row { grid-template-columns: 1fr; } }

/* ---------- Motion ---------- */

/* Page-to-page: a smooth crossfade */
@view-transition { navigation: auto; }
/* (No view-transition-name on the header: it would stop the glass from blurring the page behind it.) */
::view-transition-old(root) { animation: vt-out .3s var(--ease) both; }
::view-transition-new(root) { animation: vt-in .45s var(--ease) both; }
@keyframes vt-out { to { opacity: 0; } }
@keyframes vt-in { from { opacity: 0; } }

/* Fallback for browsers without cross-page view transitions */
html.page-leaving main, html.page-leaving .site-footer { opacity: 0; transform: translateY(-8px); transition: opacity .22s ease, transform .22s ease; }

@keyframes rise { from { opacity: 0; transform: translateY(16px); } }
@keyframes float-in { from { opacity: 0; transform: translateY(28px) scale(.96); } }
@keyframes fade { from { opacity: 0; } }

/* Hero entrance, played once on load and ending fully visible */
.hero .pill, .hero h1, .hero .lede, .hero .actions, .hero-assurance,
.page-hero .crumbs, .page-hero h1, .page-hero p, .page-hero .toc { animation: rise .8s var(--ease) both; }
.hero h1, .page-hero h1 { animation-delay: .08s; }
.hero .lede, .page-hero p:not(.crumbs) { animation-delay: .16s; }
.hero .actions, .page-hero .toc { animation-delay: .24s; }
.hero-assurance { animation-delay: .32s; }
.hero-visual .mark { animation: fade 1.2s ease both, drift 40s linear infinite; }
.hero-stage { animation: float-in 1s var(--ease) .15s both; }
.hero-stage .vial { animation: rise .9s var(--ease) both; }
.hero-stage .vial:nth-child(1) { animation-delay: .35s; }
.hero-stage .vial:nth-child(2) { animation-delay: .45s; }
.hero-stage .vial:nth-child(3) { animation-delay: .55s; }

/* Sections below the fold lift in as you scroll; siblings follow one another */
.reveal { transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: calc(var(--stagger, 0) * 90ms); }
.reveal.pending { opacity: 0; transform: translateY(24px); }

/* Hover lift on the main cards */
.treatment, .peptide, .stat, .value, .steps li, .track { transition: transform .35s var(--ease), box-shadow .35s var(--ease); }
.treatment:hover, .peptide:hover { transform: translateY(-4px); box-shadow: 0 28px 60px -24px rgba(0, 52, 124, .38); }
.btn svg, .text-link svg { transition: transform .25s var(--ease); }
.btn:hover svg, a:hover .text-link svg, .text-link:hover svg { transform: translateX(3px); }

/* Sticky header gains depth once the page scrolls */
.site-header .bar { transition: box-shadow .3s var(--ease), background .3s var(--ease); }
.site-header.scrolled .bar { background: var(--glass-strong); box-shadow: 0 10px 34px -14px rgba(0, 52, 124, .35); }

/* FAQ answers slide open */
.faq .answer { overflow: hidden; }
.faq details { transition: border-color .25s, box-shadow .25s; }
.faq details[open] { border-color: rgba(14, 156, 220, .35); }

/* Peptide filter: cards glide to their new spots */
::view-transition-group(*) { animation-duration: .4s; animation-timing-function: var(--ease); }
.peptide.entering { animation: rise .45s var(--ease) both; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  @view-transition { navigation: none; }
  .reveal.pending { opacity: 1; transform: none; }
}

/* ---------- Effects ---------- */

/* Background light drifts slowly */
.backdrop span { will-change: transform; animation: aurora 26s ease-in-out infinite alternate; }
.backdrop .b2 { animation-duration: 32s; animation-delay: -8s; }
.backdrop .b3 { animation-duration: 38s; animation-delay: -16s; }
@keyframes aurora {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-6vw, 4vh) scale(1.08); }
  100% { transform: translate(4vw, -3vh) scale(.95); }
}

/* Reading progress under the header */
.progress { position: fixed; top: env(safe-area-inset-top, 0px); left: 0; right: 0; height: 3px; z-index: 60; pointer-events: none; transform-origin: left; transform: scaleX(var(--p, 0)); background: linear-gradient(90deg, var(--sky), var(--royal)); }

/* Hero: the glass stage tilts toward the pointer, vials float at different depths */
.hero-visual { transform: perspective(1100px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); transform-style: preserve-3d; transition: transform .6s var(--ease); }
.hero-visual.tracking { transition: transform .12s linear; }
.hero-stage .vial { translate: calc(var(--px, 0) * var(--d, 10px)) calc(var(--py, 0) * var(--d, 10px)); transition: translate .5s var(--ease); }
.hero-stage .vial:nth-child(1) { --d: 10px; }
.hero-stage .vial:nth-child(2) { --d: 20px; }
.hero-stage .vial:nth-child(3) { --d: 14px; }
.hero-card { translate: calc(var(--px, 0) * 26px) calc(var(--py, 0) * 18px); transition: translate .5s var(--ease); }
.hero-card.c1 { animation: float-in .9s var(--ease) .7s both, bob 7s ease-in-out 1.8s infinite; }
.hero-card.c2 { animation: float-in .9s var(--ease) .85s both, bob 8s ease-in-out 2.2s infinite reverse; }
@keyframes bob { 50% { transform: translateY(-8px); } }
.hero-stage::after { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; background: radial-gradient(420px circle at var(--gx, 50%) var(--gy, 0%), rgba(255,255,255,.7), transparent 45%); opacity: .8; transition: opacity .4s; }
.hero-stage .vial svg { transition: transform .45s var(--ease), filter .45s var(--ease); }
.hero-stage .vial:hover svg { transform: translateY(-10px) rotate(-3deg); filter: drop-shadow(0 26px 26px rgba(0, 52, 124, 0.3)); }

/* "New" pill shimmer */
.pill b { position: relative; overflow: hidden; }
.pill b::after { content: ""; position: absolute; inset: 0; background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,.65) 50%, transparent 70%); transform: translateX(-120%); animation: shimmer 4.5s ease-in-out 1.6s infinite; }
@keyframes shimmer { 0%, 70% { transform: translateX(-120%); } 100% { transform: translateX(120%); } }

/* Glass sheen follows the pointer */
.spot { position: relative; isolation: isolate; }
.spot::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; z-index: 1;
  background: radial-gradient(360px circle at var(--mx, 50%) var(--my, 50%), rgba(255, 255, 255, .55), rgba(143, 211, 242, .12) 40%, transparent 65%);
  opacity: 0; transition: opacity .35s var(--ease);
}
.spot:hover::after { opacity: 1; }
.treatment.feature.spot::after { background: radial-gradient(380px circle at var(--mx, 50%) var(--my, 50%), rgba(255,255,255,.22), transparent 60%); }
.spot > * { position: relative; z-index: 2; }
.treatment.spot > .art { position: absolute; z-index: 0; }

/* Results timeline draws itself in */
.track ol::before { transform-origin: top; transition: transform 1.3s var(--ease) .25s; }
.track li::before { transition: transform .5s var(--ease), background .5s; }
.track li:nth-child(1)::before { transition-delay: .35s; }
.track li:nth-child(2)::before { transition-delay: .9s; }
.track.pending ol::before { transform: scaleY(0); }
.track.pending li::before { transform: scale(0); }
.track:not(.pending) li::before { background: var(--c, var(--sky)); box-shadow: 0 0 0 4px color-mix(in srgb, var(--c, var(--sky)) 20%, transparent); }

/* Twinkling north stars in the call-to-action band */
.cta .twinkle { position: absolute; width: var(--s, 10px); aspect-ratio: 1; background: #fff; pointer-events: none;
  clip-path: polygon(50% 0, 60% 40%, 100% 50%, 60% 60%, 50% 100%, 40% 60%, 0 50%, 40% 40%);
  opacity: 0; animation: twinkle var(--t, 4s) ease-in-out var(--delay, 0s) infinite; }
@keyframes twinkle { 0%, 100% { opacity: 0; transform: scale(.4) rotate(0deg); } 50% { opacity: var(--o, .8); transform: scale(1) rotate(45deg); } }
.cta > div { position: relative; z-index: 1; }

/* Stat numbers keep their width while counting */
.stat .num { font-variant-numeric: tabular-nums; }

@media (prefers-reduced-motion: reduce) {
  .hero-visual, .hero-stage .vial, .hero-card { transform: none !important; translate: none !important; }
  .progress, .cta .twinkle { display: none; }
  .track.pending ol::before, .track.pending li::before { transform: none; }
}

/* When a page ends on a white band, the footer sits right under it */
main:has(> section.band:last-child) + .site-footer { margin-top: -44px; }

/* GLP-1 formulation and dosing */
.mini-wrap { overflow-x: auto; margin-top: 12px; border-radius: var(--r-md); border: 1px solid var(--line); background: rgba(255, 255, 255, .6); }
table.mini { width: 100%; border-collapse: collapse; font-size: .93rem; min-width: 420px; font-variant-numeric: tabular-nums; }
.mini th, .mini td { text-align: left; padding: 10px 14px; white-space: nowrap; }
.mini thead th { font-size: .82rem; color: var(--navy-soft); font-weight: 600; border-bottom: 1px solid var(--line); background: rgba(228, 238, 249, .6); }
.mini tbody tr + tr td { border-top: 1px solid var(--line); }
.steps-wrap { overflow-x: auto; margin-top: 14px; padding-bottom: 4px; }
.dose-steps { list-style: none; margin: 0; padding: 0; display: grid; grid-auto-flow: column; grid-auto-columns: minmax(88px, 1fr); gap: 8px; }
.dose-steps li { display: grid; grid-template-rows: auto auto auto; text-align: center; gap: 4px; border-radius: 10px; outline-offset: 4px; }
/* Plot area: fixed height, bars grow from a shared baseline */
.dose-steps .col { height: 160px; display: flex; flex-direction: column; justify-content: flex-end; align-items: stretch; border-bottom: 2px solid rgba(10, 26, 58, .25); }
.dose-steps .val { font-family: var(--display); font-weight: 600; font-size: .9rem; color: var(--navy); white-space: nowrap; margin-bottom: 6px; }
.dose-steps .bar { display: block; flex: none; border-radius: 4px 4px 0 0; background: var(--royal); transform-origin: bottom; transition: background .2s; }
.dose-steps li:hover .bar, .dose-steps li:focus-visible .bar { background: var(--sky); }
.dose-steps .wk { font-size: .82rem; font-weight: 600; color: var(--navy); margin-top: 4px; white-space: nowrap; }
.dose-steps .u { font-size: .8rem; color: var(--navy-soft); }
.dose-steps .col { position: relative; }
.reveal .dose-steps .bar { transition: transform .8s var(--ease), background .2s; }
.reveal.pending .dose-steps .bar { transform: scaleY(0); }
.dose-steps li:nth-child(2) .bar { transition-delay: .08s; } .dose-steps li:nth-child(3) .bar { transition-delay: .16s; }
.dose-steps li:nth-child(4) .bar { transition-delay: .24s; } .dose-steps li:nth-child(5) .bar { transition-delay: .32s; } .dose-steps li:nth-child(6) .bar { transition-delay: .4s; }
.small-note { font-size: .88rem; margin-top: 8px !important; }
.dose-chart { margin-top: 14px; border-radius: var(--r-md); border: 1px solid var(--line); background: var(--glass-strong); }
.dose-chart summary { cursor: pointer; padding: 14px 18px; font-weight: 600; color: var(--royal); list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.dose-chart summary::-webkit-details-marker { display: none; }
.dose-chart summary::after { content: "+"; font-size: 1.3rem; line-height: 1; transition: transform .25s var(--ease); }
.dose-chart[open] summary::after { transform: rotate(45deg); }
.dose-chart > .mini-wrap, .dose-chart > p { margin: 0 14px 14px; }
.med-detail .facts dd { overflow-wrap: anywhere; }
.med-detail > * { min-width: 0; }

/* ---------- Learn section ---------- */
.site-footer .top { grid-template-columns: 1.3fr 1fr 1fr 1fr 1.2fr; }
@media (max-width: 1000px) { .site-footer .top { grid-template-columns: 1fr 1fr 1fr; } }
@media (max-width: 560px) { .site-footer .top { grid-template-columns: 1fr; } }
.card-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.card-actions .btn { margin-top: 0; }
.learn-groups { display: grid; gap: clamp(36px, 5vw, 56px); }
.learn-group h2 { font-size: 1.4rem; margin-bottom: 16px; }
.learn-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 18px; }
.learn-cards.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 860px) { .learn-cards.three { grid-template-columns: 1fr; } }
.learn-card { border-radius: var(--r-lg); padding: 24px; display: flex; flex-direction: column; gap: 8px; text-decoration: none; color: inherit; transition: transform .3s var(--ease), box-shadow .3s var(--ease); }
.learn-card:hover { transform: translateY(-4px); box-shadow: 0 26px 56px -24px rgba(0, 52, 124, .4); }
.learn-card strong { font-family: var(--display); font-size: 1.12rem; font-weight: 600; }
.learn-card span { color: var(--navy-soft); font-size: .96rem; }
.learn-card em { margin-top: auto; padding-top: 10px; font-style: normal; font-weight: 600; color: var(--royal); }

.doc-layout { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: clamp(28px, 5vw, 64px); align-items: start; }
.doc-toc { position: sticky; top: 110px; font-size: .94rem; }
.doc-toc-title { font-weight: 600; color: var(--navy); margin-bottom: 10px !important; }
.doc-toc ol { list-style: none; margin: 0; padding: 0 0 0 14px; border-left: 2px solid var(--mist); display: grid; gap: 8px; }
.doc-toc a { color: var(--navy-soft); text-decoration: none; }
.doc-toc a:hover, .doc-toc a[aria-current="true"] { color: var(--royal); font-weight: 600; }
@media (max-width: 900px) { .doc-layout { grid-template-columns: minmax(0, 1fr); } .doc-toc { position: static; } }
.doc { max-width: 760px; min-width: 0; }
.doc-section + .doc-section { margin-top: clamp(36px, 5vw, 52px); }
.doc-section { scroll-margin-top: 110px; }
.doc h2 { font-size: clamp(1.45rem, 2.6vw, 1.8rem); margin-bottom: 14px; }
.doc h3, .doc .sub-h { font-size: 1.08rem; margin: 24px 0 8px; }
.doc p, .doc li { color: var(--navy-soft); font-size: 1.05rem; }
.doc p + p { margin-top: 12px; }
.doc ul { padding-left: 20px; margin: 10px 0 0; display: grid; gap: 8px; }
.doc strong { color: var(--navy); }
.doc a:not(.btn) { color: var(--royal); }
.callout { margin-top: 18px; padding: 16px 20px; border-radius: var(--r-md); border: 1px solid rgba(14, 156, 220, .3); background: rgba(14, 156, 220, .08); }
.callout strong { display: block; margin-bottom: 4px; color: var(--navy); }
.callout p { margin: 0; font-size: .98rem !important; }
.callout.warn { border-color: rgba(179, 38, 30, .3); background: #fdeeed; }
.sources li { font-size: .92rem !important; }
.inj-steps { list-style: none; counter-reset: s; padding: 0 !important; display: grid; gap: 12px; }
.inj-steps li { counter-increment: s; position: relative; padding: 16px 18px 16px 64px; border-radius: var(--r-md); background: var(--glass-strong); border: 1px solid var(--line); }
.inj-steps li::before { content: counter(s); position: absolute; left: 16px; top: 16px; width: 32px; height: 32px; border-radius: 10px; display: grid; place-items: center; background: linear-gradient(135deg, var(--sky), var(--royal)); color: var(--white); font-family: var(--display); font-weight: 600; font-size: .95rem; }
.inj-steps p { margin-top: 2px; font-size: .98rem !important; }
.site-grid, .se-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin: 6px 0 16px; }
.site-card, .se-card { border-radius: var(--r-md); padding: 18px; }
.site-card p, .se-card p { font-size: .96rem !important; margin-top: 6px; }

.calc { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 24px; align-items: start; }
.calc-form, .calc-result { border-radius: var(--r-xl); padding: clamp(22px, 3vw, 32px); display: grid; gap: 14px; }
.calc-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.calc .field { display: grid; gap: 6px; }
.calc .field label { font-weight: 600; font-size: .95rem; }
.calc select, .calc input { width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid rgba(10, 26, 58, .16); background: var(--white); font: 500 1rem var(--body); color: var(--navy); }
.calc select:focus, .calc input:focus { outline: none; border-color: var(--sky); box-shadow: 0 0 0 4px rgba(14, 156, 220, .18); }
.calc-err { color: #b3261e; font-weight: 500; min-height: 0; }
.calc-big { font-family: var(--display); font-weight: 600; font-size: clamp(3rem, 7vw, 4.4rem); line-height: 1; color: var(--royal); letter-spacing: -0.04em; font-variant-numeric: tabular-nums; }
.calc-big small { font-size: 1.2rem; color: var(--navy-soft); letter-spacing: 0; }
.syringe-wrap { overflow-x: auto; margin: 6px -6px 0; }
#syringe-svg { width: 100%; min-width: 420px; height: auto; display: block; }
#syringe-svg .fill, #syringe-svg .plunger { transition: all .45s var(--ease); }
.calc-facts { margin: 0; display: grid; gap: 10px; }
.calc-facts div { border-top: 1px solid var(--line); padding-top: 10px; }
.calc-facts dt { font-size: .85rem; color: var(--navy-soft); font-weight: 600; }
.calc-facts dd { margin: 2px 0 0; }
.calc-warn { padding: 12px 16px; border-radius: 12px; background: #fff3dc; color: #7a4d00; font-size: .94rem; display: grid; gap: 6px; }
.calc-help { grid-column: 1 / -1; max-width: 760px; margin-top: 24px; }
.calc-help h2 { font-size: 1.5rem; margin-bottom: 14px; }
.how-steps { padding-left: 22px; display: grid; gap: 10px; color: var(--navy-soft); }
@media (max-width: 900px) { .calc { grid-template-columns: 1fr; } }
@media (max-width: 480px) { .calc-row { grid-template-columns: 1fr; } }

.pep-hero { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: clamp(28px, 5vw, 56px); align-items: center; }
.pep-alias { margin-top: 6px !important; font-weight: 600; color: var(--royal) !important; font-size: 1.05rem !important; }
.pep-hero-card { border-radius: var(--r-xl); padding: 28px; display: grid; grid-template-columns: 90px minmax(0, 1fr); gap: 22px; align-items: start; }
.pep-hero-card .vial { width: 90px; }
.pep-hero-card .facts { margin: 0; display: grid; gap: 8px; font-size: .93rem; }
.pep-hero-card .facts div { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 10px; border-top: 1px solid var(--line); padding-top: 8px; }
.pep-hero-card .facts div:first-child { border-top: 0; padding-top: 0; }
.pep-hero-card dt { color: var(--navy-soft); }
.pep-hero-card dd { margin: 0; font-weight: 600; }
@media (max-width: 860px) { .pep-hero { grid-template-columns: 1fr; } }
@media (max-width: 420px) { .pep-hero-card { grid-template-columns: 1fr; } }
.related { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.related-card { border-radius: var(--r-lg); padding: 20px; display: grid; gap: 6px; text-decoration: none; color: inherit; transition: transform .3s var(--ease); }
.related-card:hover { transform: translateY(-3px); }
.related-card .tag { font-size: .82rem; font-weight: 600; color: var(--royal); }
.related-card strong { font-family: var(--display); font-weight: 600; }
.related-card .muted { font-size: .93rem; }
.article-hero { display: grid; grid-template-columns: minmax(0, 1fr) 180px; gap: 40px; align-items: center; }
.article-hero h1 { font-size: clamp(2rem, 4.4vw, 3.2rem); }
.article-vial { width: 130px; justify-self: center; }
@media (max-width: 760px) { .article-hero { grid-template-columns: 1fr; } .article-vial { display: none; } }

.gl-tools { display: grid; gap: 16px; margin-bottom: 28px; }
.gl-jump { display: flex; flex-wrap: wrap; gap: 6px; }
.gl-jump a { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 10px; background: var(--white); border: 1px solid var(--line); text-decoration: none; font-weight: 600; color: var(--royal); }
.gl-jump a:hover { border-color: var(--sky); }
.glossary { display: grid; gap: 28px; }
.gl-letter { scroll-margin-top: 110px; }
.gl-letter h2 { font-size: 1.5rem; color: var(--royal); margin-bottom: 10px; }
.gl-letter dl { margin: 0; display: grid; gap: 10px; }
.gl-item { padding: 16px 18px; border-radius: var(--r-md); background: var(--glass-strong); border: 1px solid var(--line); }
.gl-item dt { font-family: var(--display); font-weight: 600; }
.gl-item dd { margin: 4px 0 0; color: var(--navy-soft); }
[hidden] { display: none !important; }
.doc-section, .gl-letter { padding: 0; }
.learn-card .tag { font-size: .8rem; font-weight: 600; color: var(--royal); }
.doc-toc .btn { color: var(--white); font-weight: 600; }

/* ---------- More motion ---------- */
/* Sliding highlight behind the main menu */
@media (min-width: 961px) { .nav { position: relative; } }
.nav-pill { position: absolute; top: 0; left: 0; height: 0; border-radius: 999px; background: rgba(14, 156, 220, .12); pointer-events: none; opacity: 0; transition: transform .35s var(--ease), width .35s var(--ease), height .35s var(--ease), opacity .25s; z-index: 0; }
.nav.has-pill a { position: relative; z-index: 1; background: transparent !important; }
.nav.has-pill a[aria-current="page"] { color: var(--royal); }

/* Soft light that follows the cursor */
.cursor-glow { position: fixed; left: 0; top: 0; width: 520px; height: 520px; margin: -260px 0 0 -260px; border-radius: 50%; pointer-events: none; z-index: -1;
  background: radial-gradient(closest-side, rgba(14, 156, 220, .16), rgba(14, 156, 220, .05) 55%, transparent); opacity: 0; transition: opacity .5s; will-change: transform; }
.cursor-glow.on { opacity: 1; }

/* Headlines: words arrive one after another */
.w { display: inline-block; transition: opacity .7s var(--ease), transform .7s var(--ease), filter .7s var(--ease); transition-delay: calc(var(--wi) * 55ms + var(--stagger, 0) * 90ms); }
.reveal.pending .w { opacity: 0; transform: translateY(.45em); filter: blur(6px); }
.hero h1 .w, .page-hero h1 .w { animation: word-in .9s var(--ease) both; animation-delay: calc(.05s + var(--wi) * 60ms); }
.hero h1.words-split, .page-hero h1.words-split { animation: none; }
@keyframes word-in { from { opacity: 0; transform: translateY(.5em); filter: blur(8px); } }

/* Sections come into focus as they slide in */
.reveal { transition: opacity .8s var(--ease), transform .8s var(--ease), filter .8s var(--ease); }
.reveal.pending { filter: blur(6px); }

/* Buttons lean toward the cursor; a ripple spreads on click */
.btn { position: relative; overflow: hidden; translate: var(--mx2, 0) var(--my2, 0); transition: background .2s, transform .2s, box-shadow .2s, translate .25s var(--ease); }
.ripple { position: absolute; border-radius: 50%; background: rgba(255, 255, 255, .45); transform: scale(0); animation: ripple .6s var(--ease) forwards; pointer-events: none; }
.btn.secondary .ripple { background: rgba(14, 156, 220, .25); }
@keyframes ripple { to { transform: scale(1); opacity: 0; } }

/* Hero parallax while scrolling */
.hero-grid > div:first-child { translate: 0 calc(var(--sy, 0) * .06px); opacity: calc(1 - var(--sy, 0) / 1400); }
.hero-stage { translate: 0 calc(var(--sy, 0) * -.08px); }
.hero-visual .mark { rotate: calc(var(--sy, 0) * .06deg); }

/* Vials float gently on the medication cards */
.med .vial, .pep-hero-card .vial, .article-vial { animation: float 6s ease-in-out infinite; }
.meds .med:nth-child(2) .vial { animation-delay: -2s; }
.meds .med:nth-child(3) .vial { animation-delay: -4s; }
@keyframes float { 50% { transform: translateY(-8px); } }

/* Underline sweeps in on links */
.text-link, .learn-card em { background: linear-gradient(currentColor, currentColor) left bottom / 0 2px no-repeat; padding-bottom: 2px; transition: background-size .35s var(--ease); text-decoration: none !important; }
.text-link:hover, .learn-card:hover em { background-size: 100% 2px; }

/* Back to top, with a ring that fills as you read */
.to-top { position: fixed; right: 20px; bottom: calc(20px + env(safe-area-inset-bottom, 0px)); z-index: 45; width: 52px; height: 52px; border-radius: 50%; border: 0; cursor: pointer; display: grid; place-items: center;
  background: var(--glass-strong); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); box-shadow: var(--shadow); color: var(--royal);
  opacity: 0; transform: translateY(16px) scale(.9); pointer-events: none; transition: opacity .35s var(--ease), transform .35s var(--ease); }
.to-top.show { opacity: 1; transform: none; pointer-events: auto; }
.to-top:hover { transform: translateY(-3px); }
.to-top svg { position: absolute; inset: 0; width: 100%; height: 100%; rotate: -90deg; }
.to-top .ring { fill: none; stroke: var(--royal); stroke-width: 3; stroke-linecap: round; stroke-dasharray: 144.5; stroke-dashoffset: calc(144.5 * (1 - var(--p, 0))); }
.to-top .track-ring { fill: none; stroke: rgba(14, 156, 220, .18); stroke-width: 3; }
.to-top .arrow { width: 20px; height: 20px; }

@media (prefers-reduced-motion: reduce) {
  .w { opacity: 1 !important; transform: none !important; filter: none !important; }
  .reveal.pending { filter: none; }
  .cursor-glow, .ripple { display: none; }
  .hero-grid > div:first-child, .hero-stage { translate: none; opacity: 1; }
}

/* Peptide blends */
.blends-head { margin: clamp(48px, 7vw, 80px) 0 22px; max-width: 680px; }
.blends-head h2 { font-size: clamp(1.7rem, 3vw, 2.3rem); }
.blends-head p { margin-top: 10px; color: var(--navy-soft); font-size: 1.08rem; }
.blends { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.blend { border-radius: var(--r-lg); padding: 28px; display: grid; grid-template-columns: 76px minmax(0, 1fr); gap: 22px; }
.blend .vial { width: 76px; align-self: start; }
.blend .cat { font-size: .85rem; font-weight: 600; color: var(--royal); }
.blend h3 { margin-top: 4px; font-size: 1.4rem; }
.blend .desc { margin-top: 10px; color: var(--navy-soft); }
.blend-focus { margin-top: 8px; color: var(--navy); font-weight: 500; }
.blend-label { margin-top: 16px; font-size: .82rem; font-weight: 600; color: var(--navy-soft); }
.small-chips { margin-top: 8px; gap: 8px; }
.small-chips a { padding: 7px 13px; font-size: .9rem; }
.blend-note { margin-top: 14px; font-size: .9rem; color: var(--navy-soft); }
.footnote strong { color: var(--navy); }
div.contact-card { cursor: default; }
@media (max-width: 900px) { .blends { grid-template-columns: 1fr; } }
@media (max-width: 480px) { .blend { grid-template-columns: 1fr; } }
.blend-facts { margin: 16px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 18px; }
.blend-facts dt { font-size: .82rem; font-weight: 600; color: var(--navy-soft); }
.blend-facts dd { margin: 2px 0 0; font-size: .95rem; }

/* ---------- Header logo: hover effect ---------- */
.logo { display: inline-flex; align-items: center; text-decoration: none; position: relative; border-radius: 14px; }
.logo img { height: 64px; width: auto; display: block; margin-block: -4px; }
.logo-mark { position: relative; display: block; }
.logo-mark img { transition: filter .4s var(--ease); }
.logo-word { position: relative; display: block; }
/* light sweep across the lettering only */
.logo-word::after { content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(105deg, transparent 35%, rgba(255, 255, 255, .95) 48%, rgba(143, 211, 242, .9) 52%, transparent 65%) no-repeat;
  background-size: 260% 100%; background-position: 130% 0;
  -webkit-mask: url("logo-head-word.png") center / 100% 100% no-repeat; mask: url("logo-head-word.png") center / 100% 100% no-repeat; }
.spark { position: absolute; left: 50%; top: 50%; width: 9px; height: 9px; margin: -4.5px 0 0 -4.5px; pointer-events: none; opacity: 0;
  background: var(--sky); clip-path: polygon(50% 0, 62% 38%, 100% 50%, 62% 62%, 50% 100%, 38% 62%, 0 50%, 38% 38%); }
.spark.s2 { background: var(--royal); width: 7px; height: 7px; }
.spark.s4 { background: var(--royal); }
@media (hover: hover) {
  .logo:hover .logo-mark img, .logo:focus-visible .logo-mark img { animation: star-spin 1s cubic-bezier(.34, 1.56, .64, 1); filter: drop-shadow(0 0 10px rgba(14, 156, 220, .75)); }
  .logo:hover .logo-word::after, .logo:focus-visible .logo-word::after { animation: word-sheen 1.1s var(--ease) .1s; }
  .logo:hover .spark, .logo:focus-visible .spark { animation: spark-out .9s var(--ease) .15s; }
}
.spark.s1 { --dx: -30px; --dy: -22px; } .spark.s2 { --dx: 28px; --dy: -26px; } .spark.s3 { --dx: -26px; --dy: 26px; } .spark.s4 { --dx: 30px; --dy: 22px; }
@keyframes star-spin { 0% { transform: rotate(0) scale(1); } 45% { transform: rotate(200deg) scale(1.15); } 100% { transform: rotate(360deg) scale(1); } }
@keyframes word-sheen { from { background-position: 130% 0; } to { background-position: -30% 0; } }
@keyframes spark-out { 0% { opacity: 0; transform: translate(0, 0) scale(.3) rotate(0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translate(var(--dx), var(--dy)) scale(1) rotate(90deg); } }
@media (max-width: 420px) { .logo img { height: 46px; } }

/* ---------- Liquid glass header ---------- */
.site-header .bar {
  position: relative; isolation: isolate;
  background: linear-gradient(180deg, rgba(255, 255, 255, .55) 0%, rgba(255, 255, 255, .22) 100%);
  backdrop-filter: blur(16px) saturate(200%) brightness(1.05); -webkit-backdrop-filter: blur(16px) saturate(200%) brightness(1.05);
  border: 1px solid rgba(255, 255, 255, .6);
  box-shadow:
    inset 0 1.5px 1px rgba(255, 255, 255, .95),
    inset 0 -1.5px 1px rgba(255, 255, 255, .45),
    inset 0 0 18px rgba(255, 255, 255, .35),
    inset 0 -10px 22px -14px rgba(14, 156, 220, .35),
    0 12px 32px -14px rgba(0, 52, 124, .38),
    0 2px 6px rgba(0, 52, 124, .06);
}
/* curved-glass highlight across the top half */
.site-header .bar::before { content: ""; position: absolute; inset: 1px 1px 50% 1px; border-radius: 999px 999px 40% 40% / 999px 999px 100% 100%; pointer-events: none; z-index: -1;
  background: linear-gradient(180deg, rgba(255, 255, 255, .7), rgba(255, 255, 255, 0)); opacity: .55; }
/* light that follows the pointer across the glass */
.site-header .bar::after { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; z-index: -1;
  background: radial-gradient(260px 120px at var(--lx, 50%) var(--ly, 0%), rgba(255, 255, 255, .85), rgba(143, 211, 242, .18) 45%, transparent 70%);
  opacity: 0; transition: opacity .4s var(--ease); }
.site-header .bar.lit::after { opacity: .9; }
.site-header.scrolled .bar { background: linear-gradient(180deg, rgba(255, 255, 255, .72) 0%, rgba(255, 255, 255, .45) 100%); }
@media (max-width: 960px) { .site-header .bar::before { border-radius: 24px 24px 40% 40% / 24px 24px 100% 100%; } }

@media (prefers-reduced-motion: reduce) { .logo .logo-mark img, .logo-word::after, .spark { animation: none !important; } }

/* ---------- Smoother footer ---------- */
.site-footer {
  position: relative; overflow: hidden; isolation: isolate;
  border-radius: 44px 44px 0 0;
  padding-top: 72px;
  background:
    radial-gradient(900px 420px at 88% -12%, rgba(14, 156, 220, .32), transparent 62%),
    radial-gradient(760px 420px at -8% 115%, rgba(0, 68, 161, .5), transparent 62%),
    linear-gradient(180deg, #0d2350 0%, var(--navy) 55%, #08142e 100%);
  box-shadow: 0 -24px 60px -34px rgba(0, 52, 124, .55);
}
/* fine highlight along the curved top edge */
.site-footer::before { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; z-index: -1;
  border-top: 1px solid rgba(143, 211, 242, .45);
  -webkit-mask: linear-gradient(90deg, transparent, #000 25%, #000 75%, transparent); mask: linear-gradient(90deg, transparent, #000 25%, #000 75%, transparent); }
/* large, barely visible north star turning slowly */
.site-footer::after { content: ""; position: absolute; right: -140px; bottom: -180px; width: 560px; height: 560px; z-index: -1; pointer-events: none;
  background: url("logo-mark.png") center / contain no-repeat; opacity: .06; animation: drift 120s linear infinite; }
.footer-glow { position: absolute; left: 50%; top: -120px; width: 70%; height: 220px; translate: -50% 0; z-index: -1; pointer-events: none;
  background: radial-gradient(closest-side, rgba(143, 211, 242, .22), transparent); filter: blur(10px); }
.site-footer a { display: inline-block; transition: color .25s var(--ease), transform .25s var(--ease); }
.site-footer a:hover { color: var(--white); transform: translateX(3px); text-decoration: none; }
.site-footer h4 { letter-spacing: -0.01em; }
.site-footer .legal { border-top-color: rgba(255, 255, 255, .1); }
@media (max-width: 560px) { .site-footer { border-radius: 30px 30px 0 0; padding-top: 56px; } .site-footer::after { width: 380px; height: 380px; right: -120px; bottom: -120px; } }
@media (prefers-reduced-motion: reduce) { .site-footer::after { animation: none; } }

/* ---------- Cleaner and smoother ---------- */
/* Header slides away while you read down the page, and returns when you scroll up */
.site-header { transition: transform .45s var(--ease), padding .25s; }
.site-header.away { transform: translateY(calc(-100% - 8px)); }
/* Menu icon morphs into a close icon */
.menu-btn line { transition: transform .35s var(--ease), opacity .2s; transform-box: view-box; transform-origin: 12px 12px; }
.menu-btn[aria-expanded="true"] .l1 { transform: translateY(5px) rotate(45deg); }
.menu-btn[aria-expanded="true"] .l2 { opacity: 0; }
.menu-btn[aria-expanded="true"] .l3 { transform: translateY(-5px) rotate(-45deg); }
/* Less empty space before the closing banner */
.cta-section { padding-top: clamp(32px, 5vw, 64px); }
/* Edge fades show when a table or chart scrolls sideways */
.fade-r { -webkit-mask-image: linear-gradient(90deg, #000 82%, transparent); mask-image: linear-gradient(90deg, #000 82%, transparent); }
.fade-l { -webkit-mask-image: linear-gradient(90deg, transparent, #000 18%); mask-image: linear-gradient(90deg, transparent, #000 18%); }
.fade-l.fade-r { -webkit-mask-image: linear-gradient(90deg, transparent, #000 18%, #000 82%, transparent); mask-image: linear-gradient(90deg, transparent, #000 18%, #000 82%, transparent); }
@media (max-width: 560px) { .contact-card strong { font-size: 1rem; } }
@media (prefers-reduced-motion: reduce) { .site-header.away { transform: none; } }

/* Footer night sky */
.footer-sky { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; pointer-events: none; }