:root {
  --navy: #0d1b2e;
  --navy-2: #16294a;
  --gold: #c99a2e;
  --gold-2: #e6bf5a;
  --ink: #1b1f27;
  --muted: #5a6272;
  --bg: #f5f6f9;
  --fb: #1877f2;
  --radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Source Serif 4", Georgia, serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--gold); }
h1, h2, h3, h4, .btn, .tag, .logo, .topbar__nav, .trust, summary {
  font-family: "Montserrat", system-ui, sans-serif;
}
.wrap { width: min(1200px, 100% - 2.5rem); margin-inline: auto; }

/* Top bar */
.topbar { background: var(--navy); position: sticky; top: 0; z-index: 20; }
.topbar__inner { display: flex; align-items: center; justify-content: space-between; padding: .8rem 0; }
.logo { color: #fff; text-decoration: none; font-weight: 800; letter-spacing: .08em; font-size: 1.3rem; }
.logo__a { color: var(--gold-2); }
.logo sup { font-size: .5em; }
.topbar__nav { display: flex; gap: 1.4rem; align-items: center; font-size: .9rem; }
.topbar__nav > a:not(.btn) { color: #cfd6e3; text-decoration: none; font-weight: 600; }
.topbar__nav > a:not(.btn):hover { color: var(--gold-2); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .85rem 1.5rem; border-radius: 999px;
  font-weight: 800; font-size: .95rem; text-decoration: none;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn svg { width: 1.2em; height: 1.2em; fill: currentColor; }
.btn--gold { background: linear-gradient(135deg, var(--gold-2), var(--gold)); color: var(--navy); box-shadow: 0 8px 22px rgba(201,154,46,.35); }
.btn--fb { background: var(--fb); color: #fff; box-shadow: 0 8px 22px rgba(24,119,242,.3); }
.btn--sm { padding: .45rem 1rem; font-size: .85rem; box-shadow: none; }
.btn--lg { padding: 1.05rem 2rem; font-size: 1.05rem; }

/* Hero */
.hero { background: linear-gradient(180deg, #fff 0%, #eef1f6 100%); padding: 4rem 0 3rem; }
.hero__grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 2.5rem; align-items: center; }
.tag { display: inline-block; background: var(--navy); color: #fff; font-size: .72rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; padding: .4rem .8rem; border-radius: 6px; }
.tag--light { background: #fff3d6; color: #8a6414; }
h1 { font-size: clamp(2.1rem, 4.5vw, 3.4rem); line-height: 1.1; margin: 1rem 0; color: var(--navy); font-weight: 900; }
.gold { color: var(--gold); }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 34rem; }
.checks { list-style: none; padding: 0; margin: 1.2rem 0; }
.checks li { padding-left: 1.7rem; position: relative; margin: .35rem 0; font-weight: 600; }
.checks li::before { content: "✓"; position: absolute; left: 0; color: var(--gold); font-weight: 900; }
.checks--light li { color: #fff; }
.checks--light li::before { color: var(--gold-2); }
.cta-row { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 1.5rem; }
.cta-row--center { justify-content: center; }
.hero__img img { filter: drop-shadow(0 25px 35px rgba(13,27,46,.2)); transition: transform .3s; }
.hero__img:hover img { transform: scale(1.03); }

/* Banner */
.banner { padding: 2rem 0; }
.banner__link { display: block; border-radius: var(--radius); overflow: hidden; box-shadow: 0 20px 50px rgba(13,27,46,.18); }

/* Trust */
.trust { background: var(--navy); color: #fff; padding: 1.6rem 0; }
.trust__grid { display: grid; grid-template-columns: repeat(4, 1fr); text-align: center; }
.trust__grid div { display: flex; flex-direction: column; border-right: 1px solid rgba(255,255,255,.15); }
.trust__grid div:last-child { border: 0; }
.trust strong { color: var(--gold-2); font-size: 1.05rem; text-transform: uppercase; letter-spacing: .05em; }
.trust span { font-size: .8rem; color: #cfd6e3; text-transform: uppercase; letter-spacing: .08em; }

/* Article */
.article { background: #fff; max-width: 820px; margin: 3rem auto; padding: 3rem clamp(1.25rem, 4vw, 3.5rem); border-radius: var(--radius); box-shadow: 0 10px 40px rgba(13,27,46,.07); font-size: 1.1rem; }
.article__head h2 { font-size: clamp(1.7rem, 3.4vw, 2.3rem); line-height: 1.2; color: var(--navy); margin: .8rem 0 .3rem; }
.byline { color: var(--muted); font-style: italic; margin-top: 0; }
.article h3 { font-size: 1.45rem; color: var(--navy); margin: 2.4rem 0 .6rem; }
.article h3::after { content: ""; display: block; width: 48px; height: 3px; background: var(--gold); margin-top: .5rem; }
.dropcap::first-letter { float: left; font-family: "Montserrat", sans-serif; font-weight: 900; font-size: 3.6rem; line-height: .9; margin: .35rem .6rem 0 0; color: var(--gold); }
.article__list li { margin: .5rem 0; }
.callout { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; background: linear-gradient(135deg, var(--navy), var(--navy-2)); color: #fff; padding: 1.4rem 1.6rem; border-radius: var(--radius); margin: 2rem 0; }
.callout p { margin: 0; }
.ingredients { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.ing { border: 1px solid #e6e9ef; border-left: 4px solid var(--gold); border-radius: 10px; padding: 1rem 1.2rem; }
.ing h4 { margin: 0 0 .25rem; color: var(--navy); }
.ing p { margin: 0; font-size: .98rem; color: var(--muted); }
.small { font-size: .88rem; color: var(--muted); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.panel { border-radius: var(--radius); padding: 1.4rem 1.6rem; }
.panel h4 { margin: 0; font-size: 1.3rem; text-transform: uppercase; letter-spacing: .06em; }
.panel--navy { background: var(--navy); color: #fff; }
.panel--navy h4 { color: var(--gold-2); }
.panel--gold { background: #fff6e0; }
.panel--gold h4 { color: var(--navy); }
.cta-center { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; margin: 2rem 0; }
.faq details { border-bottom: 1px solid #e6e9ef; padding: .9rem 0; }
.faq summary { cursor: pointer; font-weight: 700; color: var(--navy); }
.faq details p { margin: .6rem 0 0; color: var(--muted); }

/* Final CTA */
.final { background: radial-gradient(circle at 20% 20%, var(--navy-2), var(--navy)); color: #fff; padding: 4rem 0; text-align: center; }
.final h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); margin: .3rem 0 1rem; }
.script { font-style: italic; color: var(--gold-2); font-size: 1.4rem; margin: 0; }

/* Footer */
.footer { background: #08121f; color: #8d97a8; padding: 2rem 0; font-size: .85rem; text-align: center; }
.disclaimer { max-width: 760px; margin: .5rem auto 0; font-size: .78rem; }

/* Sticky FB */
.sticky-fb { position: fixed; right: 1.2rem; bottom: 1.2rem; width: 56px; height: 56px; border-radius: 50%; background: var(--fb); display: grid; place-items: center; box-shadow: 0 10px 25px rgba(24,119,242,.45); z-index: 30; transition: transform .15s; }
.sticky-fb:hover { transform: scale(1.08); }
.sticky-fb svg { width: 28px; height: 28px; fill: #fff; }

@media (max-width: 820px) {
  .hero__grid, .two-col, .ingredients { grid-template-columns: 1fr; }
  .hero { padding-top: 2.5rem; }
  .topbar__nav > a:not(.btn) { display: none; }
  .trust__grid { grid-template-columns: repeat(2, 1fr); row-gap: 1rem; }
  .trust__grid div:nth-child(2) { border: 0; }
}