/* ==========================================================================
   Tax Lawyer Hub — Core Stylesheet
   Lightweight, mobile-first, no frameworks. ~Single file for perf.
   ========================================================================== */

/* Design tokens */
:root{
  --navy:#0b2545;
  --navy-700:#13315c;
  --navy-50:#eef2f8;
  --emerald:#0f8a5f;
  --emerald-600:#0a6e4b;
  --emerald-50:#e6f5ee;
  --ink:#0f172a;
  --text:#1f2937;
  --muted:#5b6573;
  --line:#e5e9f0;
  --bg:#ffffff;
  --bg-soft:#f7f9fc;
  --bg-tint:#f1f5fb;
  --warn:#b45309;
  --danger:#b91c1c;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(11,37,69,.06);
  --shadow:0 6px 24px rgba(11,37,69,.08);
  --shadow-lg:0 20px 60px rgba(11,37,69,.12);
  --container:1180px;
  --gutter:clamp(16px,4vw,32px);
  --font:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji",sans-serif;
}

/* Reset */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%;height:auto}
a{color:var(--navy);text-decoration:none}
a:hover{color:var(--emerald-600);text-decoration:underline}
button{font-family:inherit}
h1,h2,h3,h4,h5,h6{color:var(--ink);font-weight:700;line-height:1.2;margin:0 0 .5em}
h1{font-size:clamp(2rem,4.4vw,3.25rem);letter-spacing:-.02em}
h2{font-size:clamp(1.5rem,3vw,2.25rem);letter-spacing:-.015em}
h3{font-size:1.25rem}
p{margin:0 0 1em}
ul,ol{padding-left:1.25rem}

/* Layout */
.container{max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.section{padding:clamp(48px,7vw,96px) 0}
.section-soft{background:var(--bg-soft)}
.section-tint{background:var(--bg-tint)}
.grid{display:grid;gap:24px}
@media(min-width:640px){.grid-2{grid-template-columns:repeat(2,1fr)}}
@media(min-width:900px){.grid-3{grid-template-columns:repeat(3,1fr)} .grid-4{grid-template-columns:repeat(4,1fr)}}

/* Skip link */
.skip{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip:focus{position:fixed;left:16px;top:16px;width:auto;height:auto;background:var(--navy);color:#fff;padding:10px 14px;border-radius:8px;z-index:9999}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);font-size:1.05rem}
.brand:hover{text-decoration:none;color:var(--ink)}
.brand-mark{width:34px;height:34px;border-radius:8px;background:linear-gradient(135deg,var(--navy) 0%,var(--emerald) 100%);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:.95rem;box-shadow:var(--shadow-sm)}
.nav-list{display:none;gap:6px;list-style:none;margin:0;padding:0}
.nav-list a{color:var(--text);padding:8px 12px;border-radius:8px;font-weight:500;font-size:.95rem}
.nav-list a:hover{background:var(--bg-tint);color:var(--navy);text-decoration:none}
.nav-list a[aria-current="page"]{color:var(--navy);background:var(--navy-50)}
.nav-cta{display:none}
.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:10px;cursor:pointer}
.nav-toggle:focus-visible{outline:2px solid var(--emerald);outline-offset:2px}
.nav-toggle svg{width:22px;height:22px;stroke:var(--navy)}
@media(min-width:960px){
  .nav-list{display:flex}
  .nav-cta{display:inline-flex}
  .nav-toggle{display:none}
}
.mobile-menu{display:none;border-top:1px solid var(--line);background:#fff}
.mobile-menu.open{display:block}
.mobile-menu ul{list-style:none;margin:0;padding:8px var(--gutter) 16px}
.mobile-menu a{display:block;padding:12px 8px;color:var(--text);border-bottom:1px solid var(--line);font-weight:500}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:999px;font-weight:600;font-size:.95rem;border:1px solid transparent;cursor:pointer;transition:transform .15s ease,box-shadow .2s ease,background .2s ease;line-height:1;min-height:44px}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover{background:var(--navy-700);color:#fff;box-shadow:var(--shadow)}
.btn-emerald{background:var(--emerald);color:#fff}
.btn-emerald:hover{background:var(--emerald-600);color:#fff;box-shadow:var(--shadow)}
.btn-ghost{background:#fff;color:var(--navy);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--navy);color:var(--navy)}
.btn-sm{padding:8px 14px;font-size:.875rem;min-height:36px}

/* Hero */
.hero{position:relative;padding:clamp(64px,9vw,120px) 0 clamp(56px,8vw,96px);background:radial-gradient(1200px 600px at 80% -10%,rgba(15,138,95,.08),transparent 60%),radial-gradient(900px 500px at 0% 0%,rgba(11,37,69,.06),transparent 60%),#fff;overflow:hidden}
.hero-grid{display:grid;gap:48px;align-items:center}
@media(min-width:960px){.hero-grid{grid-template-columns:1.05fr .95fr}}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--emerald-50);color:var(--emerald-600);font-weight:600;font-size:.8rem;padding:6px 12px;border-radius:999px;letter-spacing:.02em;text-transform:uppercase;margin-bottom:18px}
.hero h1{margin-bottom:18px}
.hero .lead{font-size:clamp(1.05rem,1.6vw,1.2rem);color:var(--muted);max-width:58ch;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:40px;max-width:520px}
.hero-stat{padding:14px 16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-sm)}
.hero-stat strong{display:block;font-size:1.35rem;color:var(--navy);font-weight:800}
.hero-stat span{font-size:.8rem;color:var(--muted)}

/* Hero visual */
.hero-visual{position:relative;aspect-ratio:5/4;background:linear-gradient(135deg,var(--navy) 0%,var(--navy-700) 60%,var(--emerald) 130%);border-radius:24px;padding:28px;color:#fff;box-shadow:var(--shadow-lg);overflow:hidden}
.hero-visual::before{content:"";position:absolute;inset:auto -40px -40px auto;width:240px;height:240px;background:radial-gradient(circle,rgba(255,255,255,.15),transparent 60%);border-radius:50%}
.hv-card{position:absolute;background:rgba(255,255,255,.96);color:var(--ink);border-radius:14px;padding:14px 16px;box-shadow:0 10px 30px rgba(0,0,0,.18);font-size:.85rem}
.hv-card strong{display:block;font-size:1.15rem;color:var(--navy)}
.hv-card span{color:var(--muted);font-size:.75rem;text-transform:uppercase;letter-spacing:.05em}
.hv-card-1{top:18%;left:6%;width:60%}
.hv-card-2{bottom:14%;right:6%;width:62%}
.hv-pill{display:inline-flex;align-items:center;gap:6px;background:var(--emerald-50);color:var(--emerald-600);padding:3px 8px;border-radius:999px;font-size:.7rem;font-weight:600;margin-top:6px}

/* Cards */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;height:100%}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#d6deeb}
.card .icon{width:44px;height:44px;border-radius:10px;background:var(--navy-50);color:var(--navy);display:inline-flex;align-items:center;justify-content:center;margin-bottom:14px}
.card .icon.green{background:var(--emerald-50);color:var(--emerald-600)}
.card h3{font-size:1.1rem;margin-bottom:6px}
.card p{color:var(--muted);font-size:.95rem;margin-bottom:12px}
.card .link{font-weight:600;color:var(--navy);font-size:.9rem;display:inline-flex;align-items:center;gap:6px}
.card .link:hover{color:var(--emerald-600)}

/* Section heads */
.section-head{text-align:center;max-width:680px;margin:0 auto 48px}
.section-head .eyebrow{margin-bottom:14px}
.section-head p{color:var(--muted);font-size:1.05rem}

/* Article cards */
.post{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;height:100%;transition:transform .2s ease,box-shadow .2s ease}
.post:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.post-cover{aspect-ratio:16/9;background:linear-gradient(135deg,var(--navy-50),var(--emerald-50));display:flex;align-items:center;justify-content:center;color:var(--navy);font-weight:700;font-size:.85rem;letter-spacing:.04em;text-transform:uppercase;padding:16px;text-align:center}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.post-cat{font-size:.75rem;font-weight:600;color:var(--emerald-600);text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px}
.post h3{font-size:1.1rem;margin-bottom:8px}
.post h3 a{color:var(--ink)}
.post h3 a:hover{color:var(--navy);text-decoration:none}
.post-meta{margin-top:auto;display:flex;gap:14px;color:var(--muted);font-size:.8rem;padding-top:14px}

/* FAQ accordion */
.faq{max-width:820px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:12px;overflow:hidden}
.faq details[open]{box-shadow:var(--shadow-sm);border-color:#d6deeb}
.faq summary{cursor:pointer;padding:18px 22px;font-weight:600;color:var(--ink);list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--navy);font-weight:400;transition:transform .2s}
.faq details[open] summary::after{content:"–"}
.faq summary:focus-visible{outline:2px solid var(--emerald);outline-offset:-2px}
.faq .answer{padding:0 22px 20px;color:var(--muted)}

/* CTA banner */
.cta-banner{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-700) 100%);color:#fff;border-radius:24px;padding:clamp(36px,5vw,56px);text-align:center;position:relative;overflow:hidden}
.cta-banner::before{content:"";position:absolute;width:400px;height:400px;background:radial-gradient(circle,rgba(15,138,95,.3),transparent 60%);top:-200px;right:-100px;border-radius:50%}
.cta-banner h2{color:#fff;position:relative}
.cta-banner p{color:rgba(255,255,255,.85);max-width:540px;margin:0 auto 24px;position:relative}
.cta-banner .actions{position:relative;display:inline-flex;flex-wrap:wrap;gap:12px;justify-content:center}

/* Newsletter */
.newsletter{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;text-align:center;max-width:720px;margin:0 auto;box-shadow:var(--shadow-sm)}
.newsletter form{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:20px}
.newsletter input[type=email]{flex:1;min-width:240px;padding:12px 16px;border:1px solid var(--line);border-radius:999px;font-size:1rem;font-family:inherit}
.newsletter input[type=email]:focus{outline:2px solid var(--emerald);outline-offset:1px;border-color:transparent}
.newsletter .note{font-size:.8rem;color:var(--muted);margin-top:12px}

/* Footer */
.site-footer{background:#091a32;color:#cbd5e1;padding:64px 0 24px;margin-top:auto}
.site-footer a{color:#cbd5e1}
.site-footer a:hover{color:#fff}
.footer-grid{display:grid;gap:36px;grid-template-columns:1fr}
@media(min-width:720px){.footer-grid{grid-template-columns:1.4fr repeat(3,1fr)}}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:1.05rem;margin-bottom:14px}
.footer-brand:hover{color:#fff;text-decoration:none}
.footer-col h4{color:#fff;font-size:.85rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:14px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:8px;font-size:.92rem}
.footer-about{color:#94a3b8;font-size:.92rem;max-width:36ch}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:40px;padding-top:20px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;color:#94a3b8;font-size:.85rem}

/* Disclaimer ribbon (used in articles) */
.disclaimer{background:#fff7ed;border:1px solid #fcd9b2;color:#7c2d12;padding:14px 18px;border-radius:var(--radius-sm);font-size:.9rem;margin:24px 0}
.disclaimer strong{color:#9a3412}

/* Generic page header */
.page-head{padding:clamp(56px,7vw,96px) 0 clamp(24px,4vw,40px);background:var(--bg-soft);border-bottom:1px solid var(--line)}
.page-head .eyebrow{margin-bottom:14px}
.page-head h1{margin-bottom:14px}
.page-head p{color:var(--muted);font-size:1.1rem;max-width:64ch}

/* Prose (legal & article body) */
.prose{max-width:780px;margin:0 auto}
.prose h2{margin-top:2em}
.prose h3{margin-top:1.6em}
.prose ul,.prose ol{padding-left:1.3rem}
.prose li{margin-bottom:.4em}
.prose a{color:var(--navy);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:var(--emerald-600)}
.prose blockquote{border-left:4px solid var(--emerald);background:var(--emerald-50);padding:14px 18px;margin:1.4em 0;border-radius:0 8px 8px 0;color:var(--ink)}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.prose table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:.95rem}
.prose th,.prose td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left}
.prose th{background:var(--bg-soft);color:var(--ink);font-weight:600}

/* Contact form */
.form{display:grid;gap:16px;max-width:620px}
.form label{display:block;font-weight:600;color:var(--ink);font-size:.9rem;margin-bottom:6px}
.form input,.form select,.form textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:1rem;background:#fff}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--emerald);outline-offset:1px;border-color:transparent}
.form textarea{min-height:140px;resize:vertical}
.form .row{display:grid;gap:16px}
@media(min-width:640px){.form .row{grid-template-columns:1fr 1fr}}
.form .hint{font-size:.8rem;color:var(--muted);margin-top:4px}
.form-status{padding:12px 16px;border-radius:10px;font-size:.92rem;display:none}
.form-status.ok{display:block;background:var(--emerald-50);color:var(--emerald-600);border:1px solid #bde6d2}
.form-status.err{display:block;background:#fef2f2;color:var(--danger);border:1px solid #fecaca}

/* Breadcrumbs */
.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:14px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--navy)}
.crumbs span[aria-current]{color:var(--ink);font-weight:500}

/* 404 */
.notfound{min-height:60vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:80px var(--gutter)}
.notfound h1{font-size:clamp(4rem,12vw,7rem);margin:0;background:linear-gradient(135deg,var(--navy),var(--emerald));-webkit-background-clip:text;background-clip:text;color:transparent}

/* Utility */
.center{text-align:center}
.mt-0{margin-top:0}
.muted{color:var(--muted)}
.hide-sm{display:none}
@media(min-width:640px){.hide-sm{display:initial}}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* Print */
@media print{
  .site-header,.site-footer,.cta-banner,.newsletter{display:none}
  body{color:#000}
}