/* Supplement Guide — warm editorial, FluentFuel design language */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,500;9..144,600;9..144,700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --paper: #FAF7F1;
  --paper-deep: #F3EEE3;
  --card: #FFFFFF;
  --ink: #1B1A16;
  --muted: #6F6A5C;
  --line: #E7DFCE;
  --green: #2E7D4F;
  --green-deep: #1E5B38;
  --green-soft: #E9F2EB;
  --gold: #D99A2B;
  --radius: 18px;
  --shadow: 0 12px 32px rgba(27, 26, 22, 0.08);
  --shadow-sm: 0 4px 14px rgba(27, 26, 22, 0.06);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'Inter', -apple-system, 'Segoe UI', sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 { font-family: 'Fraunces', Georgia, serif; font-weight: 600; line-height: 1.15; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.6rem, 6vw, 4.4rem); margin: 0 0 1rem; }
h2 { font-size: clamp(1.9rem, 4vw, 2.7rem); margin: 0 0 1rem; }
h3 { font-size: 1.35rem; margin: 0 0 0.5rem; }
p { margin: 0 0 1rem; }
a { color: var(--green-deep); }
a:hover { color: var(--green); }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
section { padding: 84px 0; }
.eyebrow {
  display: inline-block; font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--green);
  margin-bottom: 0.9rem;
}
.lede { font-size: 1.18rem; color: var(--muted); max-width: 680px; }
.center { text-align: center; }
.center .lede { margin-left: auto; margin-right: auto; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250, 247, 241, 0.9);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 16px; }
.brand { font-family: 'Fraunces', serif; font-weight: 700; font-size: 1.45rem; text-decoration: none; color: var(--ink); }
.brand em { font-style: normal; color: var(--green); }
.nav-links { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.nav-links a { text-decoration: none; font-weight: 500; font-size: 0.93rem; color: var(--muted); }
.nav-links a:hover { color: var(--ink); }

/* Buttons */
.fw-btn {
  display: inline-block; border: none; cursor: pointer; text-decoration: none;
  font-family: 'Inter', sans-serif; font-weight: 600; font-size: 1rem;
  padding: 14px 28px; border-radius: 999px;
  background: var(--green); color: #fff !important;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  box-shadow: 0 8px 20px rgba(46, 125, 79, 0.28);
}
.fw-btn:hover { background: var(--green-deep); transform: translateY(-2px); color: #fff !important; }
.fw-btn-ghost {
  background: transparent; color: var(--ink) !important; box-shadow: none;
  border: 1.5px solid var(--line); padding: 9px 18px; font-size: 0.88rem;
}
.fw-btn-ghost:hover { border-color: var(--green); color: var(--green-deep) !important; background: var(--green-soft); transform: none; box-shadow: none; }
.fw-btn-lg { padding: 17px 38px; font-size: 1.05rem; }

/* Hero */
.hero { padding: 104px 0 64px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.hero-cta { display: flex; gap: 14px; margin: 28px 0 18px; flex-wrap: wrap; }
.hero-note { font-size: 0.9rem; color: var(--muted); }
.hero-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 24px;
  padding: 28px; box-shadow: var(--shadow); transform: rotate(1.2deg);
}
.hero-card h3 { font-size: 1.1rem; margin-bottom: 12px; }
.fw-sample-meal { display: flex; align-items: baseline; gap: 10px; padding: 10px 0; border-bottom: 1px dashed var(--line); font-size: 0.93rem; }
.fw-sample-meal:last-of-type { border-bottom: none; }
.fw-sample-meal b { font-weight: 600; }
.fw-sample-meal span:last-child { margin-left: auto; color: var(--muted); white-space: nowrap; font-size: 0.85rem; }
.fw-sample-total { margin-top: 14px; padding-top: 14px; border-top: 2px solid var(--ink); font-size: 0.95rem; }
.fw-slot { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--green-deep); background: var(--green-soft); padding: 4px 10px; border-radius: 999px; white-space: nowrap; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 48px; }
#method .steps { grid-template-columns: repeat(4, 1fr); }
#how .steps { grid-template-columns: repeat(3, 1fr); }
.step { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px; box-shadow: var(--shadow-sm); }
.step-num { width: 44px; height: 44px; border-radius: 50%; background: var(--ink); color: #fff; display: flex; align-items: center; justify-content: center; font-family: 'Fraunces', serif; font-size: 1.2rem; margin-bottom: 16px; }
.step h3 { margin-bottom: 8px; }
.step p { color: var(--muted); margin: 0; font-size: 0.96rem; }

/* Callout */
.callout { background: var(--green-soft); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 30px; margin-top: 40px; }
.callout h3 { margin-bottom: 8px; }
.callout p { margin: 0; color: var(--ink); }

/* Table */
.table-scroll { overflow-x: auto; margin-top: 44px; border-radius: var(--radius); box-shadow: var(--shadow-sm); }
table.glance { width: 100%; border-collapse: collapse; background: var(--card); font-size: 0.95rem; min-width: 640px; }
table.glance th, table.glance td { text-align: left; padding: 16px 18px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.glance thead th { background: var(--ink); color: #F5F1E8; font-family: 'Fraunces', serif; font-size: 1rem; }
table.glance tbody tr:last-child td { border-bottom: none; }
td.rank { font-family: 'Fraunces', serif; font-weight: 700; font-size: 1.2rem; color: var(--green-deep); }

/* Site cards */
.site-cards { display: grid; gap: 28px; margin-top: 56px; }
.site-card { background: var(--card); border: 1px solid var(--line); border-radius: 22px; padding: 40px 38px; box-shadow: var(--shadow-sm); scroll-margin-top: 90px; }
.site-head { display: flex; gap: 18px; align-items: flex-start; margin-bottom: 12px; }
.rank-badge { flex: none; width: 52px; height: 52px; border-radius: 50%; background: var(--green); color: #fff; display: flex; align-items: center; justify-content: center; font-family: 'Fraunces', serif; font-size: 1.4rem; font-weight: 700; }
.site-card h3 { font-size: 1.6rem; margin: 0 0 4px; }
.site-url { color: var(--muted); font-size: 0.95rem; margin: 0; }
.salt-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin: 24px 0; }
.salt { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 20px 22px; }
.salt h4 { margin: 0 0 8px; font-size: 1.05rem; display: flex; align-items: center; gap: 10px; }
.salt h4 span { width: 30px; height: 30px; border-radius: 50%; background: var(--ink); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: 0.95rem; font-family: 'Fraunces', serif; }
.salt p { margin: 0; font-size: 0.94rem; color: var(--muted); }
.best-use, .verdict { font-size: 0.98rem; }
.verdict { margin-bottom: 0; }

/* Feature band */
.feature-band { background: var(--ink); color: #F5F1E8; border-radius: 28px; padding: 68px 60px; margin-top: 48px; }
.feature-band .eyebrow { color: #9FD3B4; }
.feature-band h2 { color: #fff; }
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; margin-top: 40px; }
.feature h3 { color: #fff; font-size: 1.2rem; margin-bottom: 6px; }
.feature p { color: #B9B2A2; margin: 0; font-size: 0.96rem; }

/* Trends */
.trend-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 44px; }
.trend-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-sm); }
.trend-card p { color: var(--muted); margin: 0; font-size: 0.96rem; }

/* Flags */
.flag-list { max-width: 780px; margin: 44px auto 0; padding: 0; list-style: none; display: grid; gap: 14px; }
.flag-list li { background: var(--card); border: 1px solid var(--line); border-left: 5px solid var(--gold); border-radius: 12px; padding: 16px 20px; font-size: 0.98rem; box-shadow: var(--shadow-sm); }

/* Footer */
.footer { border-top: 1px solid var(--line); padding: 56px 0; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.footer h4 { font-size: 1.05rem; margin: 0 0 10px; }
.fine { font-size: 0.88rem; color: var(--muted); }

/* Responsive */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding: 72px 0 48px; }
  #method .steps, #how .steps, .steps { grid-template-columns: 1fr; }
  .salt-grid, .feature-grid, .trend-grid { grid-template-columns: 1fr; }
  .feature-band { padding: 44px 28px; }
  .site-card { padding: 28px 22px; }
  .footer-grid { grid-template-columns: 1fr; }
  section { padding: 64px 0; }
  .nav-inner { height: auto; min-height: 68px; padding: 10px 0; flex-direction: column; align-items: stretch; gap: 4px; }
  .nav-links { flex-wrap: nowrap; overflow-x: auto; gap: 18px; padding-bottom: 6px; -webkit-overflow-scrolling: touch; justify-content: flex-start; }
  .nav-links a { white-space: nowrap; font-size: 0.88rem; flex: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}

/* ---------- Quiz: Find your stack ---------- */
.quiz { margin-top: 40px; }
.quiz-q { text-align: center; font-size: 1.5rem; margin-bottom: 8px; scroll-margin-top: 90px; }
.goal-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-top: 28px; }
.goal-card {
  background: var(--card); border: 1.5px solid var(--line); border-radius: var(--radius);
  padding: 28px 14px; cursor: pointer; font-family: 'Inter', sans-serif; color: var(--ink);
  display: flex; flex-direction: column; gap: 6px; align-items: center; text-align: center;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.goal-card:hover { border-color: var(--green); transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.goal-card:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }
.goal-card b { font-family: 'Fraunces', serif; font-size: 1.08rem; font-weight: 600; }
.goal-card span { font-size: 0.85rem; color: var(--muted); }
.result-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin: 28px 0 8px; }

.pick-links { margin-top: 12px; }
.pick-links a { font-size: 0.88rem; font-weight: 600; margin-right: 16px; text-decoration: none; }
.tier {
  display: inline-block; font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  padding: 5px 12px; border-radius: 999px;
}
.tier-strong { background: var(--green-soft); color: var(--green-deep); }
.tier-moderate { background: #FBF3DF; color: #8A5E14; }
.tier-pro { background: var(--ink); color: #F5F1E8; }
.quiz-note { margin-top: 18px; }

/* ---------- Supplemental banner ---------- */
.supplement-banner { padding: 64px 0 8px; }
.supplement-banner .lede { margin-bottom: 0; }

/* ---------- Claim vs evidence ---------- */
.claim-disclaimer { border-left: 5px solid var(--gold); margin-top: 36px; }
.claim { font-size: 0.95rem; }
.evidence { font-size: 0.95rem; margin-bottom: 0; }
.claim b, .evidence b { color: var(--ink); }

@media (max-width: 900px) {
  .goal-grid { grid-template-columns: repeat(2, 1fr); }
  .result-grid { grid-template-columns: 1fr; }
}

/* ---------- Supplement shelf ---------- */
#shelf { scroll-margin-top: 70px; }
section[id] { scroll-margin-top: 70px; }
.chip-row { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-top: 32px; }
.chip {
  border: 1.5px solid var(--line); background: var(--card); border-radius: 999px;
  padding: 9px 18px; font-family: 'Inter', sans-serif; font-size: 0.9rem; font-weight: 600;
  color: var(--muted); cursor: pointer; transition: border-color 0.15s ease, color 0.15s ease;
}
.chip:hover { border-color: var(--green); color: var(--green-deep); }
.chip.active { background: var(--ink); border-color: var(--ink); color: #F5F1E8; }
.shelf-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 28px; }
.flip-card { cursor: pointer; perspective: 1200px; }
.flip-inner {
  position: relative; display: grid;
  transform-style: preserve-3d; transition: transform 0.55s ease;
  min-height: 300px;
}
.flip-inner.flipped { transform: rotateY(180deg); }
.flip-front, .flip-back {
  grid-area: 1 / 1; backface-visibility: hidden; -webkit-backface-visibility: hidden;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; box-shadow: var(--shadow-sm); overflow: hidden;
}
.flip-front { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 10px; }
.flip-front h4 { margin: 0; font-size: 1.45rem; }
.flip-back { transform: rotateY(180deg); }
.flip-back p { font-size: 0.93rem; color: var(--muted); }
.flip-back p b { color: var(--ink); }
.flip-back h4 { margin: 0 0 10px; font-size: 1.25rem; }
.flip-hint { font-size: 0.78rem; font-weight: 700; color: var(--green-deep); letter-spacing: 0.04em; }
.in-stack-ribbon {
  font-size: 0.78rem; font-weight: 700; color: var(--green-deep);
  background: var(--green-soft); padding: 5px 12px; border-radius: 999px;
}
.back-add { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; justify-content: center; min-height: 200px; }
.back-add p { margin: 0; }
.stack-add-btn.added { background: var(--green-soft); border-color: var(--green); }
.tier-limited { background: #EFEDE8; color: #6F6A5C; }

@media (max-width: 900px) {
  .shelf-grid { grid-template-columns: 1fr; }
  .chip-row { justify-content: flex-start; flex-wrap: nowrap; overflow-x: auto; padding-bottom: 6px; -webkit-overflow-scrolling: touch; }
  .chip { white-space: nowrap; flex: none; }
}

#sg-toast {
  position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 20px);
  background: var(--ink); color: #F5F1E8; font-size: 0.95rem; font-weight: 500;
  padding: 14px 22px; border-radius: 999px; box-shadow: var(--shadow);
  opacity: 0; pointer-events: none; z-index: 200; max-width: 90vw; text-align: center;
  transition: opacity 0.25s ease, transform 0.25s ease;
}
#sg-toast.show { opacity: 1; transform: translate(-50%, 0); }
#sg-toast b { color: #9FD3B4; }

/* My stack (standalone) */
.mystack {
  max-width: 640px; margin: 0 auto; background: var(--card);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; box-shadow: var(--shadow-sm);
}
.mystack-head { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; }
.mystack-head h4 { margin: 0; font-size: 1.1rem; }
.mystack-btns { display: flex; gap: 10px; margin-top: 14px; flex-wrap: wrap; }
#mystack-empty { margin-top: 10px; }
.quiz-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 18px; }

/* Myth-busters */
.myth-q { font-size: 0.95rem; margin: 12px 0 10px; }
.myth-btns { display: flex; gap: 10px; flex-wrap: wrap; }
.chip:disabled { opacity: 0.55; cursor: default; }
.chip.right, .salt-opt.right { background: var(--green-soft); border-color: var(--green); color: var(--green-deep); opacity: 1; }
.chip.wrong, .salt-opt.wrong { background: #FBEDEA; border-color: #C0564B; color: #8C3A32; opacity: 1; }
.myth-reveal { margin-top: 14px; }
.myth-verdict { font-size: 0.95rem; margin: 8px 0 0; }

/* SALT quiz */
.salt-quiz {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 32px; margin-top: 36px; box-shadow: var(--shadow-sm); max-width: 760px;
  margin-left: auto; margin-right: auto;
}
.salt-quiz h3 { text-align: center; }
.salt-quiz > p { text-align: center; color: var(--muted); }
.salt-qtext { font-size: 1.02rem; margin: 18px 0 12px; }
.salt-opts { display: grid; gap: 10px; }
.salt-opt { text-align: left; }
.salt-result { text-align: center; padding: 12px 0 4px; }
.salt-result h4 { font-size: 2rem; margin: 0 0 6px; }

/* Collapsible ranking cards */
details.site-card summary { cursor: pointer; list-style: none; }
details.site-card summary::-webkit-details-marker { display: none; }
details.site-card summary .site-head { margin-bottom: 0; }
.acc-hint {
  display: inline-block; margin-top: 12px; font-size: 0.78rem; font-weight: 700;
  color: var(--green-deep); background: var(--green-soft);
  padding: 6px 14px; border-radius: 999px; font-family: 'Inter', sans-serif;
}
details.site-card[open] .acc-hint { display: none; }
details.site-card[open] summary .site-head { margin-bottom: 12px; }

@media (max-width: 900px) {
  .salt-quiz { padding: 24px 20px; }
}
@media (prefers-reduced-motion: reduce) {
  #sg-toast { transition: none; }
}


.stack-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 0; border-bottom: 1px dashed var(--line);
}
.stack-item:last-child { border-bottom: none; }
.stack-item-name { font-weight: 600; flex: 1; }
.stack-x {
  border: none; background: none; font-size: 1.25rem; line-height: 1;
  color: var(--muted); cursor: pointer; padding: 4px 8px;
}
.stack-x:hover { color: var(--ink); }



/* ---------- Simplification additions ---------- */
.hype-sub { font-size: 1.5rem; margin: 46px 0 6px; }
.hype-note { color: var(--muted); margin: 0 0 20px; max-width: 62ch; }
.hype-note b { color: var(--ink); }
.flip-front p { font-size: 0.93rem; color: var(--muted); margin: 0; }
.flip-front p b { color: var(--ink); }
#how-it-works { padding-top: 10px; padding-bottom: 0; }
#how-it-works .steps { margin-top: 0; }

/* ---------- Premade stacks ---------- */
#stacks { padding-top: 24px; }
.premade-items { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 18px; }
.premade-item {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.85rem; font-weight: 600;
  background: var(--paper-deep); border: 1px solid var(--line);
  padding: 6px 12px 6px 6px; border-radius: 999px;
}
.premade-add.added { background: var(--green-soft); border-color: var(--green); }