/* TemplateHub — main stylesheet */
:root{
  --navy:#1E3A5F;
  --navy-dark:#14293F;
  --teal:#0D9488;
  --teal-dark:#0B7C73;
  --teal-light:#E6F7F5;
  --ink:#1F2937;
  --muted:#6B7280;
  --line:#E5E7EB;
  --bg:#FFFFFF;
  --bg-soft:#F8FAFC;
  --radius:12px;
  --shadow:0 2px 12px rgba(30,58,95,.08);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);line-height:1.65;background:var(--bg);font-size:16px}
img{max-width:100%;height:auto}
a{color:var(--teal-dark);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{color:var(--navy);line-height:1.25;margin-bottom:.6em}
h1{font-size:2rem}
h2{font-size:1.5rem;margin-top:1.6em}
h3{font-size:1.15rem;margin-top:1.2em}
p{margin-bottom:1em}
ul,ol{margin:0 0 1em 1.4em}
.container{max-width:1100px;margin:0 auto;padding:0 20px}

/* Header */
.site-header{background:var(--navy);color:#fff;position:sticky;top:0;z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;max-width:1100px;margin:0 auto}
.brand{font-weight:800;font-size:1.25rem;color:#fff}
.brand span{color:var(--teal)}
.brand:hover{text-decoration:none}
.nav{display:flex;gap:22px}
.nav a{color:#DCE6F2;font-size:.95rem;font-weight:500}
.nav a:hover{color:#fff;text-decoration:none}
.nav-toggle{display:none;background:none;border:0;color:#fff;font-size:1.5rem;cursor:pointer}

/* Hero */
.hero{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-dark) 60%,#0F2A33 100%);color:#fff;padding:56px 0 64px;text-align:center}
.hero h1{color:#fff;font-size:2.2rem;margin-bottom:.4em}
.hero p.lead{color:#C9D6E8;font-size:1.1rem;max-width:640px;margin:0 auto 1.6em}
.hero-badges{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:20px}
.badge{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);color:#fff;padding:6px 14px;border-radius:999px;font-size:.85rem}

/* Niche cards */
.niche-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:32px 0}
.niche-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);text-align:center;transition:transform .15s,box-shadow .15s}
.niche-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(30,58,95,.12);text-decoration:none}
.niche-card .icon{font-size:2.4rem;margin-bottom:12px}
.niche-card h3{color:var(--navy);margin-bottom:.4em}
.niche-card p{color:var(--muted);font-size:.95rem;margin-bottom:1.2em}
.btn{display:inline-block;background:var(--teal);color:#fff;font-weight:700;padding:11px 24px;border-radius:8px;border:0;cursor:pointer;font-size:1rem}
.btn:hover{background:var(--teal-dark);text-decoration:none;color:#fff}
.btn-outline{background:#fff;color:var(--teal-dark);border:2px solid var(--teal)}
.btn-outline:hover{background:var(--teal-light);text-decoration:none}

/* Sections */
.section{padding:48px 0}
.section-alt{background:var(--bg-soft)}
.section-title{text-align:center;margin-bottom:8px}
.section-sub{text-align:center;color:var(--muted);max-width:640px;margin:0 auto 28px}

/* Tool teaser */
.tool-teaser{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:24px}
.tool-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.tool-box h3{margin-top:0}

/* Template gallery */
.template-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:24px 0}
.template-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.template-thumb{background:var(--bg-soft);height:220px;display:flex;align-items:center;justify-content:center;font-size:3rem;border-bottom:1px solid var(--line)}
.template-body{padding:18px}
.template-body h3{margin:0 0 .3em;font-size:1.05rem}
.template-body p{color:var(--muted);font-size:.9rem;margin-bottom:1em}

/* Prose */
.prose{max-width:760px;margin:0 auto}
.prose h2{border-bottom:2px solid var(--teal-light);padding-bottom:.3em}

/* FAQ */
.faq{max-width:760px;margin:24px auto}
.faq-item{border:1px solid var(--line);border-radius:8px;margin-bottom:10px;background:#fff}
.faq-q{width:100%;text-align:left;background:none;border:0;padding:16px 18px;font-size:1rem;font-weight:600;color:var(--navy);cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.faq-q::after{content:"+";font-size:1.3rem;color:var(--teal)}
.faq-item.open .faq-q::after{content:"–"}
.faq-a{display:none;padding:0 18px 16px;color:var(--ink)}
.faq-item.open .faq-a{display:block}

/* Forms */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-group{margin-bottom:14px}
.form-group label{display:block;font-weight:600;font-size:.9rem;margin-bottom:5px;color:var(--navy)}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:1rem;font-family:inherit}
.form-group input:focus,.form-group textarea:focus{outline:2px solid var(--teal);border-color:var(--teal)}
fieldset{border:1px solid var(--line);border-radius:8px;padding:16px;margin-bottom:18px}
legend{font-weight:700;color:var(--navy);padding:0 8px}

/* Invoice generator */
.inv-layout{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.inv-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.inv-preview-wrap{background:var(--bg-soft);border-radius:var(--radius);padding:20px;position:sticky;top:80px}
.inv-preview{background:#fff;border:1px solid var(--line);border-radius:8px;padding:28px;box-shadow:var(--shadow);font-size:.92rem}
.line-item-row{display:grid;grid-template-columns:2fr 1fr 1fr auto;gap:8px;margin-bottom:8px;align-items:center}
.remove-row{background:#FEE2E2;color:#B91C1C;border:0;border-radius:6px;padding:8px 10px;cursor:pointer;font-weight:700}

/* Habit tracker tool */
.ht-app{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);margin:24px 0}
.ht-controls{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:18px}
.ht-controls input[type=text]{padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:1rem;flex:1;min-width:180px}
.ht-habit{margin-bottom:22px}
.ht-habit-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.ht-habit-head strong{color:var(--navy)}
.ht-streak{background:var(--teal-light);color:var(--teal-dark);font-weight:700;font-size:.85rem;padding:3px 12px;border-radius:999px}
.ht-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.ht-day{aspect-ratio:1;border:1px solid var(--line);border-radius:8px;background:#fff;cursor:pointer;font-size:.8rem;display:flex;align-items:center;justify-content:center;color:var(--muted);transition:all .12s}
.ht-day:hover{border-color:var(--teal)}
.ht-day.done{background:var(--teal);color:#fff;border-color:var(--teal);font-weight:700}
.ht-day.future{opacity:.35;cursor:default}
.ht-day-label{font-size:.7rem;font-weight:700;color:var(--muted);text-align:center;padding:4px 0}
.ht-month-nav{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.ht-month-nav h3{margin:0}
.delete-habit{background:none;border:0;color:#B91C1C;cursor:pointer;font-size:.85rem}

/* Guide cards */
.guide-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin:24px 0}
.guide-card{border:1px solid var(--line);border-radius:var(--radius);padding:22px;background:#fff;box-shadow:var(--shadow)}
.guide-card h3{margin-top:0;font-size:1.05rem}
.guide-card p{color:var(--muted);font-size:.92rem}

/* Footer */
.site-footer{background:var(--navy-dark);color:#B9C6DA;padding:40px 0 24px;margin-top:48px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px;max-width:1100px;margin:0 auto 24px;padding:0 20px}
.site-footer h4{color:#fff;margin-bottom:.8em;font-size:1rem}
.site-footer a{color:#B9C6DA;font-size:.92rem}
.site-footer a:hover{color:#fff}
.footer-bottom{text-align:center;border-top:1px solid rgba(255,255,255,.12);padding-top:18px;font-size:.85rem;color:#8FA0B8;max-width:1100px;margin:0 auto;padding-left:20px;padding-right:20px}

/* Breadcrumbs */
.crumbs{font-size:.85rem;color:var(--muted);margin:18px 0}
.crumbs a{color:var(--teal-dark)}

/* CTA band */
.cta-band{background:var(--teal);color:#fff;text-align:center;padding:40px 20px;border-radius:var(--radius);margin:40px 0}
.cta-band h2{color:#fff;margin-top:0}
.cta-band .btn{background:#fff;color:var(--teal-dark)}
.cta-band .btn:hover{background:var(--teal-light)}

table.data{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:.95rem}
table.data th,table.data td{border:1px solid var(--line);padding:10px 12px;text-align:left}
table.data th{background:var(--navy);color:#fff}
table.data tr:nth-child(even) td{background:var(--bg-soft)}

@media(max-width:820px){
  .niche-grid,.template-grid{grid-template-columns:1fr}
  .tool-teaser,.inv-layout,.guide-grid{grid-template-columns:1fr}
  .inv-preview-wrap{position:static}
  .form-grid{grid-template-columns:1fr}
  .nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--navy);flex-direction:column;padding:12px 20px;gap:12px}
  .nav.open{display:flex}
  .nav-toggle{display:block}
  .hero h1{font-size:1.7rem}
  .ht-grid{gap:4px}
  .ht-day{font-size:.7rem}
  .footer-grid{grid-template-columns:1fr}
}