/* =========================================================
   THE FAD — Feel Amazing Diet
   Design tokens pulled from the logo artwork:
   green #8BC63F · orange #F2700F · teal #1EA39B · charcoal #33312E
   ========================================================= */

:root{
  --green:      #8BC63F;
  --green-dark: #6EA22B;
  --green-tint: #E1F3CB;

  --orange:      #F2700F;
  --orange-dark: #D45D06;
  --orange-tint: #FCE0C4;

  --teal:      #1EA39B;
  --teal-dark: #157F79;
  --teal-tint: #CFEFEB;

  --ink:     #2C2A27;
  --ink-70:  #57544F;
  --ink-40:  #8C8983;
  --line:    #E7E4DC;
  --paper:   #FFFFFF;
  --paper-2: #FBF9F4;

  --danger: #D64545;

  --display: "Baloo 2", ui-rounded, "Segoe UI", sans-serif;
  --body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;

  --radius-s: 10px;
  --radius-m: 18px;
  --radius-l: 28px;
  --container: 1160px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{ font-family:var(--display); font-weight:700; line-height:1.08; margin:0 0 .5em; letter-spacing:-0.01em; }
p{ margin:0 0 1em; }
ul{ margin:0; padding:0; list-style:none; }
.container{ max-width:var(--container); margin:0 auto; padding:0 24px; }
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--mono); font-size:.72rem; letter-spacing:.14em; text-transform:uppercase;
  color:var(--teal-dark); font-weight:600; margin-bottom:14px;
}
.eyebrow::before{ content:""; width:18px; height:2px; background:var(--orange); display:inline-block; border-radius:2px; }

section{ padding:88px 0; }
@media (max-width:720px){ section{ padding:56px 0; } }

/* ---------- buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family:var(--body); font-weight:700; font-size:.98rem;
  padding:14px 26px; border-radius:100px; border:2px solid transparent;
  cursor:pointer; transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space:nowrap;
}
.btn:hover{ transform:translateY(-2px); }
.btn-primary{ background:var(--ink); color:var(--paper); }
.btn-primary:hover{ background:var(--orange); }
.btn-outline{ background:transparent; border-color:var(--ink); color:var(--ink); }
.btn-outline:hover{ border-color:var(--orange); color:var(--orange-dark); }
.btn-ghost{ background:var(--paper); border-color:var(--line); color:var(--ink); }
.btn-block{ width:100%; }

/* ---------- header / nav ---------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(255,255,255,.92); backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.site-header::before{
  content:""; position:absolute; top:0; left:0; right:0; height:5px;
  background:linear-gradient(90deg, var(--green), var(--orange), var(--teal));
}
.nav{ display:flex; align-items:center; justify-content:space-between; padding:14px 24px; max-width:var(--container); margin:0 auto; }
.nav-brand{ display:flex; align-items:center; gap:10px; font-family:var(--display); font-size:1.3rem; font-weight:700; color:var(--ink); }
.nav-brand img{ height:34px; width:auto; }
.nav-links{ display:flex; align-items:center; gap:2px; }
.nav-links > li{ position:relative; }
.nav-links a.nav-link{
  display:block; padding:10px 14px; font-weight:600; font-size:.94rem; border-radius:100px; color:var(--ink-70);
}
.nav-links a.nav-link:hover{ background:var(--green-tint); color:var(--green-dark); }
.nav-links a.nav-link.active{ background:var(--ink); color:#fff; }
.nav-cta{ display:flex; align-items:center; gap:10px; }
.has-dropdown .dropdown{
  position:absolute; top:100%; left:0; margin-top:6px; background:#fff; border:1px solid var(--line);
  border-radius:var(--radius-m); padding:10px; min-width:220px; box-shadow:0 16px 40px rgba(44,42,39,.12);
  opacity:0; visibility:hidden; transform:translateY(6px); transition:all .15s ease;
}
.has-dropdown:hover .dropdown{ opacity:1; visibility:visible; transform:translateY(0); }
.dropdown a{ display:block; padding:9px 12px; border-radius:var(--radius-s); font-size:.92rem; font-weight:600; color:var(--ink-70); }
.dropdown a:hover{ background:var(--paper-2); color:var(--orange-dark); }
.nav-toggle{ display:none; }
@media (max-width:960px){
  .nav-links, .nav-cta .btn-outline{ display:none; }
  .nav-toggle{ display:flex; }
}

/* ---------- hero ---------- */
.hero{ padding:48px 0 40px; text-align:center; }
.hero .container{ max-width:1300px; }
.hero-logo{ max-width:1300px; width:100%; margin:0 auto 4px; }
@media (max-width:600px){ .hero-logo{ margin-bottom:0; } }
.hero-tagline{ font-family:var(--display); font-size:clamp(1.3rem,2.6vw,1.9rem); color:var(--ink); max-width:820px; margin:0 auto 18px; }
.hero-sub{ max-width:640px; margin:0 auto 34px; color:var(--ink-70); font-size:1.08rem; }
.hero-ctas{ display:flex; gap:14px; justify-content:center; flex-wrap:wrap; margin-bottom:8px; }
.hero-note{ font-family:var(--mono); font-size:.78rem; color:var(--ink-40); margin-top:18px; }

/* generic page hero (inner pages) */
.page-hero{ padding:64px 0 20px; }
.page-hero .eyebrow{ justify-content:center; }
.page-hero h1{ text-align:center; font-size:clamp(2rem,4.5vw,3.1rem); max-width:820px; margin:0 auto .4em; }
.page-hero .lede{ text-align:center; max-width:680px; margin:0 auto; color:var(--ink-70); font-size:1.1rem; }
.page-hero.left{ text-align:left; }
.page-hero.left h1, .page-hero.left .lede{ text-align:left; margin:0 0 .4em; }

/* ---------- score gauge (signature element) ---------- */
.gauge-card{
  background:var(--ink); color:#fff; border-radius:var(--radius-l);
  padding:40px; display:grid; grid-template-columns:280px 1fr; gap:40px; align-items:center;
  max-width:960px; margin:36px auto 0; text-align:left;
}
@media (max-width:760px){ .gauge-card{ grid-template-columns:1fr; text-align:center; } }
.gauge-wrap{ position:relative; width:220px; margin:0 auto; }
.gauge-score{ position:absolute; inset:0; display:flex; flex-direction:column; align-items:center; justify-content:center; }
.gauge-score .num{ font-family:var(--mono); font-size:2.6rem; font-weight:700; line-height:1; }
.gauge-score .max{ font-family:var(--mono); font-size:.95rem; color:#B9B6AF; }
.gauge-score .label{ margin-top:6px; font-size:.78rem; font-weight:700; letter-spacing:.06em; text-transform:uppercase; color:var(--green); }
.factor-list{ display:flex; flex-direction:column; gap:14px; }
.factor-row{ display:grid; grid-template-columns:110px 1fr 46px; align-items:center; gap:14px; }
.factor-row .fname{ font-weight:700; font-size:.92rem; }
.factor-track{ height:10px; border-radius:100px; background:rgba(255,255,255,.12); overflow:hidden; }
.factor-fill{ height:100%; border-radius:100px; }
.factor-row .fval{ font-family:var(--mono); font-size:.85rem; text-align:right; color:#D8D5CE; }
.gauge-caption{ font-size:.85rem; color:#B9B6AF; margin-top:18px; grid-column:1/-1; }

/* ---------- cards / grids ---------- */
.grid{ display:grid; gap:24px; }
.grid-3{ grid-template-columns:repeat(3,1fr); }
.grid-2{ grid-template-columns:repeat(2,1fr); }
.grid-5{ grid-template-columns:repeat(5,1fr); }
@media (max-width:900px){ .grid-3,.grid-5{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:600px){ .grid-2,.grid-3,.grid-5{ grid-template-columns:1fr; } }

.card{ background:var(--paper-2); border:1px solid var(--line); border-top:4px solid var(--green); border-radius:var(--radius-m); padding:28px; }
.grid .card:nth-of-type(3n+2){ border-top-color:var(--orange); }
.grid .card:nth-of-type(3n+3){ border-top-color:var(--teal); }
.card h3{ font-size:1.15rem; }
.card p{ color:var(--ink-70); font-size:.96rem; margin-bottom:0; }
.card .icon{ width:44px; height:44px; margin-bottom:16px; }

.pillar-card{
  background:var(--paper); border:1px solid var(--line); border-top:4px solid var(--accent,var(--green));
  border-radius:var(--radius-m);
  padding:26px; transition:border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.pillar-card:hover{ transform:translateY(-3px); box-shadow:0 14px 30px rgba(44,42,39,.10); }
.pillar-card .tag{ display:inline-block; font-family:var(--mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.08em; color:var(--accent,var(--green-dark)); margin-bottom:10px; }
.pillar-card h3{ font-size:1.2rem; margin-bottom:8px; }
.pillar-card p{ color:var(--ink-70); font-size:.94rem; }
.pillar-card .go{ display:inline-flex; align-items:center; gap:6px; margin-top:14px; font-weight:700; font-size:.88rem; color:var(--accent,var(--green-dark)); }

.section-head{ max-width:680px; margin:0 auto 44px; text-align:center; }
.section-head h2{ font-size:clamp(1.6rem,3.2vw,2.3rem); }
.section-head p{ color:var(--ink-70); }
.section-head.left{ text-align:left; margin:0 0 40px; }

.bg-tint{ background:linear-gradient(120deg, var(--green-tint) 0%, var(--teal-tint) 55%, var(--orange-tint) 100%); }
.bg-ink{ background:var(--ink); color:#fff; }
.bg-ink .ink-dim{ color:#B9B6AF; }
.bg-ink h2{ color:#fff; }

/* ---------- research figures ---------- */
.figure-card{ display:flex; gap:18px; align-items:flex-start; padding:24px; border:1px solid var(--line); border-radius:var(--radius-m); background:var(--paper); }
.figure-card .avatar{ width:56px; height:56px; border-radius:50%; background:var(--teal-tint); display:flex; align-items:center; justify-content:center; font-family:var(--display); font-weight:700; color:var(--teal-dark); font-size:1.3rem; flex:none; }
.figure-card:nth-of-type(3n+1) .avatar{ background:var(--green-tint); color:var(--green-dark); }
.figure-card:nth-of-type(3n+2) .avatar{ background:var(--orange-tint); color:var(--orange-dark); }
.figure-card:nth-of-type(3n+3) .avatar{ background:var(--teal-tint); color:var(--teal-dark); }
.figure-card{ border-top:3px solid var(--line); }
.figure-card:nth-of-type(3n+1){ border-top-color:var(--green); }
.figure-card:nth-of-type(3n+2){ border-top-color:var(--orange); }
.figure-card:nth-of-type(3n+3){ border-top-color:var(--teal); }
.figure-card h4{ margin:0 0 4px; font-size:1.02rem; font-family:var(--body); font-weight:700; }
.figure-card .role{ font-family:var(--mono); font-size:.74rem; color:var(--ink-40); text-transform:uppercase; letter-spacing:.05em; margin-bottom:8px; display:block; }
.figure-card p{ font-size:.92rem; color:var(--ink-70); margin-bottom:0; }

/* ---------- tables ---------- */
table.data{ width:100%; border-collapse:collapse; }
table.data th, table.data td{ text-align:left; padding:12px 16px; border-bottom:1px solid var(--line); font-size:.94rem; }
table.data th{ font-family:var(--mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.06em; color:var(--ink-40); }

/* ---------- weighting bars (score model) ---------- */
.weight-row{ display:grid; grid-template-columns:180px 1fr 60px; align-items:center; gap:16px; padding:10px 0; }
.weight-track{ height:14px; background:var(--paper-2); border-radius:100px; overflow:hidden; border:1px solid var(--line); }
.weight-fill{ height:100%; border-radius:100px; }

/* ---------- pricing ---------- */
.price-card{ border:1px solid var(--line); border-radius:var(--radius-l); padding:34px; background:var(--paper); }
.price-card.featured{ border:2px solid var(--orange); position:relative; }
.price-card .price{ font-family:var(--mono); font-size:2.2rem; font-weight:700; margin:6px 0 18px; }
.price-card .price span{ font-size:1rem; color:var(--ink-40); font-weight:400; }
.price-card ul li{ padding:8px 0; border-top:1px solid var(--line); font-size:.94rem; color:var(--ink-70); display:flex; gap:10px; }
.price-card ul li:first-child{ border-top:none; }
.badge{ position:absolute; top:-14px; right:28px; background:var(--orange); color:#fff; font-family:var(--mono); font-size:.7rem; text-transform:uppercase; letter-spacing:.06em; padding:6px 12px; border-radius:100px; }

/* ---------- calculator ---------- */
.calc-shell{ display:grid; grid-template-columns:1.1fr .9fr; gap:32px; align-items:flex-start; }
@media (max-width:900px){ .calc-shell{ grid-template-columns:1fr; } }
.calc-form .field{ margin-bottom:22px; }
.calc-form label{ display:flex; justify-content:space-between; font-weight:700; font-size:.92rem; margin-bottom:8px; }
.calc-form label .v{ font-family:var(--mono); color:var(--teal-dark); }
input[type=range]{ width:100%; accent-color:var(--teal); }
.calc-result{ position:sticky; top:100px; background:var(--ink); color:#fff; border-radius:var(--radius-l); padding:32px; text-align:center; }
.calc-result .num{ font-family:var(--mono); font-size:3.4rem; font-weight:700; }
.calc-result .status{ font-weight:700; letter-spacing:.03em; margin-top:6px; }
.calc-result .breakdown{ text-align:left; margin-top:22px; display:flex; flex-direction:column; gap:10px; }

/* ---------- FAQ ---------- */
.faq-item{ border-bottom:1px solid var(--line); padding:20px 0; }
.faq-item summary{ cursor:pointer; font-weight:700; font-size:1.02rem; list-style:none; display:flex; justify-content:space-between; align-items:center; }
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{ content:"+"; font-family:var(--mono); font-size:1.3rem; color:var(--orange); }
.faq-item[open] summary::after{ content:"–"; }
.faq-item p{ color:var(--ink-70); margin-top:12px; margin-bottom:0; }

/* ---------- footer ---------- */
.site-footer{ border-top:1px solid var(--line); background:var(--paper-2); padding:56px 0 28px; }
.footer-grid{ display:grid; grid-template-columns:1.3fr 1fr 1fr 1fr 1fr; gap:28px; margin-bottom:40px; }
@media (max-width:900px){ .footer-grid{ grid-template-columns:1fr 1fr 1fr; } }
@media (max-width:600px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
.footer-grid h5{ font-family:var(--mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.08em; color:var(--ink-40); margin-bottom:14px; }
.footer-grid li{ margin-bottom:9px; font-size:.92rem; }
.footer-grid a:hover{ color:var(--orange-dark); }
.footer-brand{ display:flex; align-items:center; gap:10px; font-family:var(--display); font-weight:700; font-size:1.2rem; margin-bottom:10px; }
.footer-brand img{ height:28px; }
.footer-bottom{ border-top:1px solid var(--line); padding-top:24px; display:flex; justify-content:space-between; gap:20px; flex-wrap:wrap; color:var(--ink-40); font-size:.82rem; }
.disclaimer{ max-width:760px; }

/* ---------- misc ---------- */
.divider{ height:1px; background:var(--line); margin:0; }
.callout{ border-left:4px solid var(--orange); background:var(--orange-tint); border-radius:0 var(--radius-m) var(--radius-m) 0; padding:20px 24px; }
.callout.teal{ border-color:var(--teal); background:var(--teal-tint); }
.callout.green{ border-color:var(--green); background:var(--green-tint); }
.tag-pill{ display:inline-block; font-family:var(--mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.06em; padding:5px 12px; border-radius:100px; background:var(--paper-2); border:1px solid var(--line); color:var(--ink-70); margin:0 8px 8px 0; }
.two-col{ display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center; }
@media (max-width:820px){ .two-col{ grid-template-columns:1fr; } }
blockquote.pull{ font-family:var(--display); font-size:1.4rem; border-left:4px solid var(--green); padding-left:22px; margin:28px 0; color:var(--ink); }