/* ============================================================
   Chipotle Nutrition Calculator — shared styles
   Palette: burgundy / pepper red / cream / avocado / charcoal
   Signature: live FDA-style "Nutrition Facts" results panel
   ============================================================ */

:root{
  --burgundy:#4a1a14;       /* brand dark red-brown */
  --burgundy-2:#6b2419;
  --pepper:#a81612;         /* accent red */
  --pepper-dark:#7d0f0c;
  --avocado:#5b7a3a;        /* healthy/low-cal accent */
  --avocado-dark:#42592a;
  --cream:#fbf6ee;          /* paper background */
  --cream-2:#f3eada;
  --paper:#fffdf8;
  --ink:#241a14;            /* main text */
  --ink-soft:#5a4c41;
  --line:#e6dccb;
  --line-strong:#cdbfa8;
  --white:#ffffff;
  --shadow:0 10px 30px rgba(74,26,20,.10);
  --shadow-sm:0 4px 14px rgba(74,26,20,.08);
  --radius:16px;
  --radius-sm:10px;
  --maxw:1180px;
  --ff:"Poppins",system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  --ff-label:Helvetica,"Helvetica Neue",Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--ff);color:var(--ink);
  background:var(--cream);line-height:1.6;font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--pepper);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.15;margin:0 0 .5em;font-weight:700;color:var(--burgundy)}
h1{font-size:clamp(2rem,5vw,3.1rem);font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(1.5rem,3.2vw,2.1rem);letter-spacing:-.01em}
h3{font-size:1.18rem}
p{margin:0 0 1rem}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.muted{color:var(--ink-soft)}
.center{text-align:center}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;cursor:pointer;
  font-family:inherit;font-weight:600;font-size:1rem;border:0;border-radius:999px;
  padding:.8rem 1.5rem;transition:transform .12s ease,box-shadow .12s ease,background .12s;
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:var(--pepper);color:#fff;box-shadow:0 6px 18px rgba(168,22,18,.32)}
.btn-primary:hover{background:var(--pepper-dark)}
.btn-ghost{background:transparent;color:var(--cream);border:1.5px solid rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-dark{background:var(--burgundy);color:#fff}
.btn-dark:hover{background:var(--burgundy-2)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:var(--burgundy);
  box-shadow:0 2px 16px rgba(0,0,0,.18);
}
.nav{display:flex;align-items:center;gap:1rem;height:64px}
.brand{display:flex;align-items:center;gap:.6rem;color:#fff;font-weight:800;font-size:1.12rem;letter-spacing:-.01em}
.brand:hover{text-decoration:none;color:#fff}
.brand .pepper-mark{width:30px;height:30px;flex:0 0 auto}
.nav-links{display:flex;gap:.3rem;margin-left:auto;align-items:center}
.nav-links a{color:#f3e7df;font-weight:500;font-size:.95rem;padding:.45rem .7rem;border-radius:8px}
.nav-links a:hover{background:rgba(255,255,255,.1);text-decoration:none;color:#fff}
.nav-links a.cta{background:var(--pepper);color:#fff;margin-left:.4rem}
.nav-links a.cta:hover{background:var(--pepper-dark)}
.nav-toggle{display:none;margin-left:auto;background:transparent;border:0;color:#fff;cursor:pointer;padding:.4rem}
.nav-toggle svg{width:26px;height:26px}

/* ---------- hero ---------- */
.hero{
  background:
    radial-gradient(120% 120% at 85% -10%,rgba(168,22,18,.55),transparent 55%),
    linear-gradient(160deg,var(--burgundy),var(--burgundy-2));
  color:#fdf3ee;padding:clamp(2.5rem,6vw,4.5rem) 0 clamp(3rem,7vw,5rem);
  position:relative;overflow:hidden;
}
.hero .eyebrow{display:inline-block;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  color:#ffe;padding:.35rem .9rem;border-radius:999px;font-size:.8rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;margin-bottom:1rem}
.hero h1{color:#fff;max-width:16ch}
.hero p.lead{font-size:clamp(1.02rem,1.6vw,1.2rem);color:#f4ddd3;max-width:54ch;margin-bottom:1.6rem}
.hero-cta{display:flex;gap:.8rem;flex-wrap:wrap}
.hero-stats{display:flex;gap:2rem;margin-top:2.2rem;flex-wrap:wrap}
.hero-stats .stat b{display:block;font-size:1.8rem;font-weight:800;color:#fff;line-height:1}
.hero-stats .stat span{font-size:.85rem;color:#e8c9bf;text-transform:uppercase;letter-spacing:.05em}

/* ---------- section scaffolding ---------- */
section{padding:clamp(2.5rem,5vw,4rem) 0}
.section-label{display:inline-block;color:var(--pepper);font-weight:700;font-size:.82rem;
  text-transform:uppercase;letter-spacing:.08em;margin-bottom:.5rem}
.section-head{max-width:62ch;margin-bottom:1.8rem}
.bg-paper{background:var(--paper)}
.bg-cream{background:var(--cream)}

/* ============================================================
   CALCULATOR
   ============================================================ */
.calc-wrap{display:grid;grid-template-columns:1fr 360px;gap:1.8rem;align-items:start}
.calc-builder{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:1.4rem}
.calc-step-title{font-size:.78rem;text-transform:uppercase;letter-spacing:.07em;color:var(--ink-soft);
  font-weight:700;margin:1.3rem 0 .7rem;display:flex;align-items:center;gap:.5rem}
.calc-step-title:first-child{margin-top:0}
.calc-step-title .num{background:var(--burgundy);color:#fff;width:22px;height:22px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;font-size:.72rem}

/* meal type + preset pills */
.pill-row{display:flex;flex-wrap:wrap;gap:.5rem}
.pill{background:var(--cream);border:1.5px solid var(--line-strong);color:var(--ink);
  padding:.5rem 1rem;border-radius:999px;font-weight:600;font-size:.9rem;cursor:pointer;
  font-family:inherit;transition:all .12s}
.pill:hover{border-color:var(--pepper)}
.pill[aria-pressed="true"],.pill.active{background:var(--pepper);border-color:var(--pepper);color:#fff}
.preset .pill[aria-pressed="true"]{background:var(--avocado);border-color:var(--avocado)}

/* ingredient cards */
.ing-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:.6rem}
.ing-card{display:flex;align-items:center;justify-content:space-between;gap:.5rem;
  background:var(--cream);border:1.5px solid var(--line);border-radius:var(--radius-sm);
  padding:.6rem .75rem;transition:border-color .12s,background .12s}
.ing-card.selected{border-color:var(--avocado);background:#f3f6ec}
.ing-card .ing-name{font-weight:600;font-size:.9rem;line-height:1.2}
.ing-card .ing-cal{font-size:.74rem;color:var(--ink-soft)}
.ing-card .allergen{font-size:.62rem;background:#f0e3d6;color:#8a5a2b;border-radius:4px;padding:1px 5px;margin-left:4px}
.stepper{display:flex;align-items:center;gap:.35rem;flex:0 0 auto}
.stepper button{width:26px;height:26px;border-radius:7px;border:1.5px solid var(--line-strong);
  background:#fff;color:var(--burgundy);font-weight:700;font-size:1rem;cursor:pointer;line-height:1;
  display:flex;align-items:center;justify-content:center}
.stepper button:hover{border-color:var(--pepper);color:var(--pepper)}
.stepper .qty{min-width:16px;text-align:center;font-weight:700;font-size:.9rem}

/* ============================================================
   SIGNATURE: Nutrition Facts label (live results)
   ============================================================ */
.nf-sticky{position:sticky;top:80px}
.nf-label{background:#fff;color:#000;border:2.5px solid #000;border-radius:6px;
  padding:.5rem .8rem .8rem;font-family:var(--ff-label);box-shadow:var(--shadow)}
.nf-label .nf-title{font-size:2rem;font-weight:800;letter-spacing:-.03em;border-bottom:1px solid #000;padding-bottom:2px;margin:0}
.nf-serv{font-size:.8rem;display:flex;justify-content:space-between;padding:2px 0;border-bottom:9px solid #000}
.nf-amount{font-size:.72rem;font-weight:700;padding-top:3px}
.nf-cal-row{display:flex;align-items:baseline;justify-content:space-between;border-bottom:5px solid #000;padding-bottom:2px}
.nf-cal-row .lab{font-size:1.35rem;font-weight:800}
.nf-cal-row .val{font-size:2.1rem;font-weight:800;line-height:1}
.nf-dv{font-size:.66rem;text-align:right;font-weight:700;padding:2px 0 0;border-bottom:1px solid #000}
.nf-line{display:flex;justify-content:space-between;font-size:.82rem;border-bottom:1px solid #000;padding:3px 0}
.nf-line .nf-dv-val{font-weight:700}
.nf-line.bold{font-weight:800}
.nf-line.sub{padding-left:1rem;font-weight:400}
.nf-line.thick{border-bottom-width:5px}
.nf-foot{font-size:.6rem;line-height:1.3;padding-top:5px;color:#222}
.nf-ingredients{font-size:.66rem;border-top:1px solid #000;margin-top:5px;padding-top:4px;color:#222;word-break:break-word}
.nf-actions{display:flex;gap:.5rem;margin-top:.8rem}
.nf-actions .btn{flex:1;justify-content:center;padding:.6rem;font-size:.85rem}
.nf-empty{font-size:.78rem;color:#555;font-style:italic;padding:6px 0}

/* macro mini bars under label */
.macro-bars{margin-top:.9rem;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-sm);padding:.8rem}
.macro-bar{margin-bottom:.6rem}
.macro-bar:last-child{margin-bottom:0}
.macro-bar .mb-top{display:flex;justify-content:space-between;font-size:.8rem;font-weight:600;margin-bottom:3px}
.macro-bar .track{height:7px;background:var(--line);border-radius:99px;overflow:hidden}
.macro-bar .fill{height:100%;border-radius:99px;width:0;transition:width .3s}
.fill.protein{background:var(--avocado)}
.fill.carbs{background:#d9a441}
.fill.fat{background:var(--pepper)}

/* mobile sticky calorie bar */
.mobile-bar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:60;
  background:var(--burgundy);color:#fff;padding:.7rem 1rem;
  align-items:center;justify-content:space-between;box-shadow:0 -4px 18px rgba(0,0,0,.25)}
.mobile-bar b{font-size:1.3rem}
.mobile-bar small{display:block;font-size:.66rem;opacity:.8;text-transform:uppercase;letter-spacing:.05em}

/* ============================================================
   CONTENT BLOCKS
   ============================================================ */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.feature{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem;box-shadow:var(--shadow-sm)}
.feature h3{display:flex;align-items:center;gap:.5rem}
.feature .ftag{font-size:.7rem;font-weight:800;color:var(--pepper)}

/* data table */
.table-scroll{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow-sm)}
table.nutri{width:100%;border-collapse:collapse;background:var(--paper);font-size:.9rem;min-width:560px}
table.nutri th,table.nutri td{padding:.7rem .9rem;text-align:left;border-bottom:1px solid var(--line)}
table.nutri thead th{background:var(--burgundy);color:#fff;font-weight:600;font-size:.82rem;text-transform:uppercase;letter-spacing:.03em}
table.nutri tbody tr:nth-child(even){background:#faf4ea}
table.nutri td:not(:first-child),table.nutri th:not(:first-child){text-align:right}
table.nutri caption{caption-side:bottom;font-size:.78rem;color:var(--ink-soft);padding-top:.6rem;text-align:left}

/* tips columns */
.tips-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.tip-col{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem;box-shadow:var(--shadow-sm)}
.tip-col h3{border-bottom:2px solid var(--line);padding-bottom:.5rem}
.tip-col.low h3{color:var(--avocado-dark)}
.tip-col.prot h3{color:var(--pepper)}
.tip-col.keto h3{color:var(--burgundy)}
.tip-col ul{margin:0;padding-left:1.1rem}
.tip-col li{margin-bottom:.5rem;font-size:.92rem}

/* prose for content pages */
.prose{max-width:74ch}
.prose h2{margin-top:2rem}
.prose h3{margin-top:1.4rem;color:var(--burgundy-2)}
.prose ul,.prose ol{padding-left:1.3rem}
.prose li{margin-bottom:.45rem}
.callout{background:#f3f6ec;border-left:4px solid var(--avocado);border-radius:0 10px 10px 0;padding:1rem 1.2rem;margin:1.4rem 0}

/* FAQ accordion */
.faq{max-width:820px;margin:0 auto}
.faq details{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-sm);
  margin-bottom:.7rem;overflow:hidden}
.faq summary{cursor:pointer;padding:1rem 1.2rem;font-weight:600;list-style:none;display:flex;
  justify-content:space-between;align-items:center;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;color:var(--pepper);font-weight:700;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details .faq-body{padding:0 1.2rem 1.1rem;color:var(--ink-soft)}

/* breadcrumb */
.crumbs{font-size:.82rem;color:var(--ink-soft);padding:1rem 0 0}
.crumbs a{color:var(--ink-soft)}
.crumbs span{margin:0 .4rem}

/* related links grid */
.related{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:.9rem}
.related a{display:block;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:1rem 1.1rem;font-weight:600;color:var(--burgundy);box-shadow:var(--shadow-sm)}
.related a:hover{text-decoration:none;border-color:var(--pepper);transform:translateY(-2px);transition:all .12s}
.related a small{display:block;font-weight:400;color:var(--ink-soft);font-size:.8rem;margin-top:.2rem}

/* author / EEAT box */
.author-box{display:flex;gap:1rem;align-items:flex-start;background:#f3f6ec;border:1px solid var(--line);
  border-radius:var(--radius);padding:1.2rem;margin:2rem 0}
.author-box .avatar{width:56px;height:56px;border-radius:50%;background:var(--avocado);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.3rem;flex:0 0 auto}
.author-box .a-name{font-weight:700;color:var(--burgundy)}
.author-box .a-role{font-size:.82rem;color:var(--ink-soft)}
.author-box p{margin:.4rem 0 0;font-size:.9rem}

/* form */
.field{margin-bottom:1rem}
.field label{display:block;font-weight:600;font-size:.9rem;margin-bottom:.3rem}
.field input,.field textarea{width:100%;padding:.7rem .9rem;border:1.5px solid var(--line-strong);
  border-radius:var(--radius-sm);font-family:inherit;font-size:1rem;background:#fff}
.field input:focus,.field textarea:focus{outline:2px solid var(--pepper);border-color:var(--pepper)}

/* ---------- footer ---------- */
.site-footer{background:var(--burgundy);color:#e9d8cf;padding:3rem 0 1.5rem;margin-top:2rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2rem;margin-bottom:2rem}
.site-footer h4{color:#fff;font-size:.95rem;margin-bottom:.8rem}
.site-footer a{color:#e9d8cf;font-size:.9rem;display:block;margin-bottom:.45rem}
.site-footer a:hover{color:#fff}
.site-footer .disclaimer{font-size:.8rem;color:#c9a99d;border-top:1px solid rgba(255,255,255,.15);
  padding-top:1.2rem;line-height:1.5}
.footer-bottom{font-size:.8rem;color:#c9a99d;text-align:center;padding-top:1rem}

/* ---------- accessibility ---------- */
:focus-visible{outline:3px solid var(--pepper);outline-offset:2px}
.skip{position:absolute;left:-9999px;top:auto}
.skip:focus{left:1rem;top:1rem;z-index:100;background:#fff;padding:.6rem 1rem;border-radius:8px}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .calc-wrap{grid-template-columns:1fr}
  .nf-sticky{position:static}
  .cards-3,.tips-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  .nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:var(--burgundy);
    flex-direction:column;padding:.8rem;gap:.2rem;box-shadow:0 8px 20px rgba(0,0,0,.3)}
  .nav-links.open{display:flex}
  .nav-links a{padding:.7rem .9rem}
  .nav-toggle{display:block}
  .cards-3,.tips-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .mobile-bar{display:flex}
  body{padding-bottom:64px}
  .hero-stats{gap:1.3rem}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;scroll-behavior:auto!important}
}