/* ===== Preppillar Calculators — Landing Page ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --ink:#0f172a;
  --ink-soft:#334155;
  --muted:#64748b;
  --line:#e2e8f0;
  --line-2:#eef2f7;
  --bg:#f8fafc;
  --bg-alt:#f1f5f9;
  --surface:#ffffff;
  --brand:#1d4e89;
  --brand-2:#2563b3;
  --brand-soft:#eaf2fb;
  --brand-tint:#f4f8fd;
  --accent:#0fa37f;
  --shadow-sm:0 1px 2px rgba(15,23,42,.05);
  --shadow:0 8px 24px -10px rgba(15,23,42,.18);
  --maxw:1250px;
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:'Poppins',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  font-weight:400;line-height:1.65;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none;transition:color .18s}
a:hover{color:var(--brand-2)}
img{max-width:100%;display:block}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}
@media(max-width:1024px){.container{padding:0 24px}}
@media(max-width:640px){.container{padding:0 16px}}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:center;height:64px}
.brand{font-weight:700;font-size:18px;color:var(--ink);letter-spacing:-.01em}

/* Hero */
.hero{
  background:linear-gradient(180deg,#fff 0%,#f1f5f9 100%);
  padding:64px 0 52px;border-bottom:1px solid var(--line);
  text-align:center;
}
.hero h1{
  font-size:clamp(1.95rem,4.2vw,3rem);
  font-weight:700;line-height:1.18;letter-spacing:-.025em;color:var(--ink);
  margin:0 auto 18px;max-width:920px;
}
.hero h1 .accent{color:var(--brand)}
.hero p.lede{
  font-size:clamp(1rem,1.4vw,1.1rem);color:var(--ink-soft);margin:0 auto 28px;max-width:760px;
}

/* Search */
.hero-search{
  display:flex;align-items:stretch;gap:0;max-width:560px;margin:0 auto;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  box-shadow:0 8px 22px -12px rgba(15,23,42,.18);overflow:hidden;
}
.hero-search input[type="search"]{
  flex:1;min-width:0;border:0;outline:none;font-family:inherit;
  font-size:.95rem;padding:14px 18px;color:var(--ink);background:transparent;
}
.hero-search input[type="search"]::placeholder{color:#94a3b8}
.search-btn{
  border:0;background:var(--brand);color:#fff;font-family:inherit;font-weight:600;
  font-size:.92rem;padding:0 22px;cursor:pointer;transition:background .18s;
}
.search-btn:hover{background:var(--brand-2)}
.search-hint{font-size:.78rem;color:var(--muted);margin-top:10px;text-align:center}
.search-results{
  max-width:560px;margin:14px auto 0;background:#fff;border:1px solid var(--line);
  border-radius:12px;box-shadow:var(--shadow);overflow:hidden;text-align:left;
}
.sr-item{display:flex;flex-direction:column;padding:12px 16px;border-bottom:1px solid var(--line-2);transition:background .15s}
.sr-item:last-child{border-bottom:0}
.sr-item:hover{background:var(--brand-tint)}
.sr-title{font-size:.92rem;font-weight:600;color:var(--ink)}
.sr-desc{font-size:.8rem;color:var(--muted);margin-top:2px}
.sr-empty{padding:14px 16px;font-size:.88rem;color:var(--muted);text-align:center}

.hero-cta{display:inline-flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:28px}
.btn-primary{background:var(--brand);color:#fff;padding:13px 26px;border-radius:10px;font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;transition:all .2s;box-shadow:0 8px 18px -8px rgba(29,78,137,.5)}
.btn-primary:hover{background:var(--brand-2);color:#fff;transform:translateY(-1px)}
.btn-secondary{background:#fff;color:var(--ink);padding:13px 24px;border-radius:10px;font-weight:600;font-size:15px;border:1px solid var(--line);display:inline-flex;align-items:center;gap:6px;transition:all .2s}
.btn-secondary:hover{border-color:var(--brand);color:var(--brand)}
.hero-stats{display:flex;justify-content:center;gap:48px;flex-wrap:wrap;margin-top:36px;padding-top:28px;border-top:1px solid var(--line)}
.hero-stats .stat{text-align:center}
.hero-stats .stat-num{font-size:1.7rem;font-weight:700;color:var(--ink);line-height:1.05;display:block}
.hero-stats .stat-label{font-size:.85rem;color:var(--muted);font-weight:500;margin-top:4px;display:block}
@media(max-width:600px){.hero-stats{gap:28px}}

/* Section base */
.section{padding:64px 0}
@media(max-width:780px){.section{padding:48px 0}}
.alt-bg{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{text-align:center;max-width:780px;margin:0 auto 40px}
.section-head .eyebrow{font-size:.78rem;font-weight:600;color:var(--brand);text-transform:uppercase;letter-spacing:1.2px;margin-bottom:12px}
.section-head h2{font-size:clamp(1.6rem,3vw,2.15rem);font-weight:700;color:var(--ink);letter-spacing:-.02em;line-height:1.2;margin-bottom:12px}
.section-head p{color:var(--ink-soft);font-size:1.02rem}

/* Calculators grid */
.calc-bg{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.calc-categories{display:flex;flex-direction:column;gap:44px}
.calc-cat-head{display:flex;align-items:center;gap:14px;margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.calc-cat-head h3{font-size:1.2rem;font-weight:700;color:var(--ink)}
.calc-cat-head .count{margin-left:auto;font-size:.82rem;color:var(--muted);font-weight:500;background:var(--bg);padding:5px 12px;border-radius:999px;border:1px solid var(--line)}
.calc-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.calc-card-link{
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;
  display:flex;flex-direction:column;gap:8px;transition:all .18s;color:inherit;
  position:relative;overflow:hidden;
}
.calc-card-link::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .25s;
}
.calc-card-link:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow);color:inherit}
.calc-card-link:hover::before{transform:scaleX(1)}
.calc-card-link .cc-tag{font-size:.7rem;font-weight:600;color:var(--brand);text-transform:uppercase;letter-spacing:.6px}
.calc-card-link .cc-title{font-size:1.02rem;font-weight:600;color:var(--ink);line-height:1.35}
.calc-card-link .cc-desc{font-size:.86rem;color:var(--muted);margin-top:4px}
.calc-card-link .cc-arrow{font-size:13px;color:var(--brand);font-weight:600;margin-top:10px}

/* Prose blocks (About, Score scale, Explore) — full container width */
.prose-block{width:100%;margin:0;color:var(--ink-soft);font-size:1rem}
.prose-block p{margin-bottom:14px;max-width:980px}
.prose-block ul,.prose-block ol{max-width:980px}
.prose-block strong{color:inherit;font-weight:500}
.bullet-list{list-style:none;display:flex;flex-direction:column;gap:10px;margin:14px 0 18px}
.bullet-list li{padding-left:26px;position:relative}
.bullet-list li::before{content:"";position:absolute;left:6px;top:10px;width:8px;height:8px;border-radius:50%;background:var(--brand)}

/* Period cards */
.period-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:980px){.period-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.period-grid{grid-template-columns:1fr}}
.period-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;display:flex;flex-direction:column;gap:8px;position:relative;transition:all .18s}
.period-card:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow)}
.period-num{width:36px;height:36px;border-radius:9px;background:var(--brand-soft);color:var(--brand);font-weight:700;font-size:1rem;display:grid;place-items:center}
.period-card h3{font-size:1rem;font-weight:600;color:var(--ink)}
.period-card p{font-size:.9rem;color:var(--ink-soft);line-height:1.6;margin:0}
.period-weight{font-size:.75rem;font-weight:600;color:var(--brand);text-transform:uppercase;letter-spacing:.5px;margin-top:4px}

/* Format cards — full width grid */
.format-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;width:100%}
@media(max-width:1100px){.format-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.format-grid{grid-template-columns:1fr}}
.format-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;transition:all .18s}
.format-card:hover{border-color:var(--brand);box-shadow:var(--shadow)}
.fc-tag{font-size:.7rem;font-weight:600;color:var(--brand);text-transform:uppercase;letter-spacing:.6px}
.format-card h3{font-size:1.15rem;font-weight:600;color:var(--ink);margin:6px 0 4px}
.fc-meta{font-size:.82rem;color:var(--muted);font-weight:500;margin-bottom:10px}
.format-card p{font-size:.92rem;color:var(--ink-soft);line-height:1.6;margin:0}

/* Score scale table — full width */
.scale-table-wrap{width:100%;margin:0 0 20px;overflow-x:auto}
.scale-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:.95rem}
.scale-table th,.scale-table td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}
.scale-table th{background:var(--brand-tint);font-weight:600;color:var(--ink);font-size:.78rem;text-transform:uppercase;letter-spacing:.5px}
.scale-table td{color:var(--ink-soft)}
.scale-table tr:last-child td{border-bottom:0}
.scale-table td:first-child{color:var(--brand);font-size:1.05rem;width:90px}

/* Tip cards (How to Prepare) */
.tips-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:980px){.tips-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.tips-grid{grid-template-columns:1fr}}
.tip-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;transition:all .18s}
.tip-card:hover{border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow)}
.tip-num{font-size:.78rem;font-weight:700;color:var(--brand);letter-spacing:1px;background:var(--brand-soft);padding:4px 10px;border-radius:6px;display:inline-block;margin-bottom:12px}
.tip-card h3{font-size:1.02rem;font-weight:600;color:var(--ink);margin-bottom:8px}
.tip-card p{font-size:.9rem;color:var(--ink-soft);line-height:1.65;margin:0}

/* FAQ — full width */
.faq-list{width:100%;margin:0;background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;padding:20px 24px;font-weight:600;color:var(--ink);font-size:.98rem}
.faq-q::-webkit-details-marker{display:none}
.faq-q::after{content:"+";font-size:1.4rem;font-weight:300;color:var(--brand);transition:transform .2s;margin-left:16px}
.faq-item[open] .faq-q::after{content:"\2212"}
.faq-a{padding:0 24px 20px;color:var(--ink-soft);font-size:.94rem;line-height:1.7}
@media(max-width:600px){.faq-q{padding:16px 18px;font-size:.94rem}.faq-a{padding:0 18px 16px}}

/* Footer */
.site-footer{background:#0f172a;color:#cbd5e1;padding:28px 0;font-size:.92rem;text-align:center}
.site-footer .brand{color:#fff;font-size:16px;font-weight:600;display:block}