:root{
  --bg:#f6f8ff;--panel:#fff;--ink:#13213c;--muted:#64748b;--line:#dbe3f0;--brand:#2563eb;--brand-2:#14b8a6;--danger:#ef4444;--soft:#eef5ff;--shadow:0 24px 70px rgba(30,58,138,.14);--radius:24px
}
*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;background:radial-gradient(circle at top left,#dbeafe,transparent 35%),var(--bg);color:var(--ink)}a{color:inherit;text-decoration:none}.site-header{display:flex;align-items:center;justify-content:space-between;padding:18px clamp(18px,4vw,56px);position:sticky;top:0;background:rgba(246,248,255,.78);backdrop-filter:blur(12px);border-bottom:1px solid rgba(219,227,240,.7);z-index:20}.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:22px}.site-header nav{display:flex;gap:18px;align-items:center;color:var(--muted);font-weight:700}.btn,button{border:0;background:var(--brand);color:#fff;border-radius:14px;padding:12px 18px;font-weight:800;cursor:pointer;box-shadow:0 10px 26px rgba(37,99,235,.2)}button:not(.btn){background:#fff;color:var(--ink);border:1px solid var(--line);box-shadow:none}.btn.small{padding:9px 14px}.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,620px);gap:36px;align-items:center;padding:72px clamp(18px,5vw,80px) 40px}.hero-copy h1{font-size:clamp(38px,5vw,72px);line-height:.98;margin:12px 0}.hero-copy p{font-size:20px;color:var(--muted);max-width:690px}.eyebrow,.section-kicker{color:var(--brand);font-weight:900;text-transform:uppercase;letter-spacing:.08em;font-size:13px}.mail-card{background:rgba(255,255,255,.92);border:1px solid rgba(219,227,240,.9);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px}.mail-label{font-weight:900;color:var(--muted);font-size:14px;margin-bottom:8px}.address-row{display:flex;gap:10px}.address-row input{flex:1;border:1px solid var(--line);border-radius:16px;padding:16px;font-size:20px;font-weight:900;background:var(--soft);min-width:0}.actions{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}.actions button{padding:10px 14px;border-radius:12px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:20px 0}.stats div{background:linear-gradient(135deg,#eff6ff,#f8fafc);border:1px solid var(--line);border-radius:18px;padding:16px}.stats strong{display:block;font-size:28px}.stats span{display:block;color:var(--muted);font-size:13px}.inbox-head{display:flex;align-items:end;justify-content:space-between;border-top:1px solid var(--line);padding-top:18px}.inbox-head h2{margin:0}.inbox-head span{color:var(--muted);font-size:14px}.message-list{display:flex;flex-direction:column;gap:12px;margin-top:16px}.empty-state{text-align:center;padding:42px 16px;border:2px dashed var(--line);border-radius:20px;color:var(--muted)}.empty-icon{font-size:48px}.message{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}.message button{width:100%;text-align:left;border:0;border-radius:0;padding:16px;background:#fff}.message.unread button{background:#f8fbff}.message-title{display:flex;justify-content:space-between;gap:12px;font-weight:900}.message-meta{color:var(--muted);font-size:13px;margin-top:4px}.message-body{display:none;padding:0 16px 18px;color:#334155}.message.open .message-body{display:block}.message-actions{display:flex;gap:10px;margin-top:12px}.message-actions button{width:auto;border:1px solid var(--line);border-radius:10px;padding:8px 10px}.features,.faq,.blog-teaser{padding:58px clamp(18px,5vw,80px)}.features>h2,.faq>h2,.blog-teaser>h2{font-size:clamp(30px,4vw,48px);margin:8px 0 10px}.features>p,.faq>p{color:var(--muted)}.feature-grid,.post-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:24px}.feature-grid article,.post-card,details{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 12px 34px rgba(15,23,42,.05)}.feature-grid span{font-size:34px}.feature-grid h3{margin:14px 0 8px}.feature-grid p,.post-card p{color:var(--muted)}details{margin-bottom:14px}summary{font-weight:900;cursor:pointer}.post-card{display:block}.post-card span{display:block;color:var(--brand);font-size:13px;margin:8px 0}footer{display:flex;justify-content:space-between;gap:20px;padding:28px clamp(18px,5vw,80px);border-top:1px solid var(--line);color:var(--muted)}.modal{position:fixed;inset:0;background:rgba(15,23,42,.55);display:grid;place-items:center;padding:18px;z-index:99}.modal[hidden]{display:none}.modal-card{background:#fff;border-radius:24px;padding:28px;max-width:520px;width:100%;box-shadow:var(--shadow);position:relative}.modal-close{position:absolute;right:14px;top:14px;width:36px;height:36px;padding:0;text-align:center;border-radius:50%}.modal-card label{display:block;font-weight:900;margin:14px 0}.modal-card input,.modal-card select,.contact-form input,.contact-form textarea,.auth-card input,.admin-card input,.admin-card select,.admin-card textarea{width:100%;border:1px solid var(--line);border-radius:14px;padding:13px;margin-top:7px;font:inherit}.history-list{display:flex;flex-direction:column;gap:8px}.history-item{display:flex;justify-content:space-between;gap:10px;padding:12px;background:var(--soft);border-radius:12px}.toast{position:fixed;right:18px;bottom:18px;background:#0f172a;color:#fff;padding:14px 18px;border-radius:14px;z-index:120}.auth-wrap,.page-wrap,.admin-wrap{padding:54px clamp(18px,5vw,80px);min-height:70vh}.auth-card,.content-card,.admin-card{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:28px;max-width:560px;margin:auto}.content-card{max-width:980px}.contact-form{display:grid;gap:14px}.admin-layout{display:grid;grid-template-columns:230px 1fr;gap:22px}.admin-sidebar{background:#0f172a;color:#fff;border-radius:22px;padding:20px;height:max-content}.admin-sidebar a{display:block;padding:10px 12px;border-radius:12px;color:#dbeafe}.admin-sidebar a:hover{background:rgba(255,255,255,.1)}.admin-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.admin-stat{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px}.admin-stat strong{display:block;font-size:28px}.table{width:100%;border-collapse:collapse;background:#fff;border-radius:16px;overflow:hidden}.table th,.table td{border-bottom:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}.table th{background:#f8fafc}.alert{padding:12px 14px;border-radius:12px;background:#ecfeff;color:#155e75;margin-bottom:16px}.alert.error{background:#fef2f2;color:#991b1b}.danger{background:var(--danger)!important}@media (max-width:960px){.hero{grid-template-columns:1fr}.feature-grid,.post-grid,.admin-grid{grid-template-columns:1fr 1fr}.admin-layout{grid-template-columns:1fr}.site-header{position:static}.site-header nav{gap:10px;flex-wrap:wrap}}@media (max-width:620px){.address-row{flex-direction:column}.stats,.feature-grid,.post-grid,.admin-grid{grid-template-columns:1fr}footer{flex-direction:column}.site-header{align-items:flex-start;gap:12px;flex-direction:column}.hero{padding-top:40px}.mail-card{padding:18px}}


/* Adsense/SEO content update */
.hero-v2 { align-items: start; }
.hero-badges { display:flex; flex-wrap:wrap; gap:10px; margin-top:20px; }
.hero-badges span { background:#eef4ff; color:#2854a3; border:1px solid #d9e6ff; border-radius:999px; padding:8px 12px; font-size:14px; }
.content-section { max-width:1120px; margin:70px auto; padding:0 24px; display:grid; grid-template-columns:2fr 1fr; gap:28px; align-items:start; }
.content-section h2 { font-size:34px; margin:6px 0 14px; }
.content-section p, .content-section li { color:#4c5870; line-height:1.75; }
.note-card { background:#fff8e9; border:1px solid #ffe0a5; border-radius:20px; padding:22px; color:#59410b; }
.note-card p { margin-bottom:0; }
.steps { counter-reset: step; padding-left:0; list-style:none; display:grid; gap:14px; }
.steps li { background:#fff; border:1px solid #edf1f7; border-radius:16px; padding:16px 18px; box-shadow:0 12px 30px rgba(15,23,42,.05); }
.check-list { list-style:none; padding-left:0; display:grid; gap:12px; }
.check-list li { background:#fff; border:1px solid #edf1f7; border-radius:14px; padding:13px 16px; }
.check-list li:before { content:'✓'; margin-right:10px; color:#1d9a73; font-weight:700; }
.section-row { display:flex; justify-content:space-between; gap:20px; align-items:end; margin-bottom:20px; }
.btn.ghost { background:#fff; color:#2c5bd3; border:1px solid #c9d8ff; }
.wide { max-width:1120px; }
.post-grid-large { grid-template-columns:repeat(3,minmax(0,1fr)); margin-top:26px; }
.article-card { max-width:900px; }
.article-card .lead { font-size:20px; color:#44516a; line-height:1.7; }
.article-content { color:#1f2937; line-height:1.82; font-size:17px; }
.article-content h2 { margin-top:34px; font-size:28px; }
.article-content h3 { margin-top:24px; font-size:22px; }
.article-content ul, .article-content ol { padding-left:24px; }
.article-content blockquote { border-left:4px solid #5b7cfa; background:#f7f9ff; padding:18px 22px; margin:24px 0; border-radius:12px; }
.breadcrumb { color:#6b7280; font-size:14px; margin-bottom:18px; }
.breadcrumb a { color:#3867dd; text-decoration:none; }
.site-footer { background:#07111f; color:#e5e7eb; padding:44px 24px 18px; margin-top:70px; }
.footer-grid { max-width:1120px; margin:0 auto; display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:28px; }
.footer-grid strong { display:block; margin-bottom:12px; color:#fff; }
.footer-grid p { margin:0; color:#cbd5e1; line-height:1.7; }
.footer-grid a { display:block; color:#cbd5e1; text-decoration:none; margin:8px 0; }
.footer-grid a:hover { color:#fff; }
.footer-bottom { max-width:1120px; margin:30px auto 0; padding-top:18px; border-top:1px solid rgba(255,255,255,.12); color:#94a3b8; font-size:14px; }
.two-col-card { display:grid; grid-template-columns:1fr 1.2fr; gap:28px; align-items:start; }
.form-row { display:flex; gap:18px; flex-wrap:wrap; align-items:center; }
.link-button { border:0; background:transparent; color:#d33; padding:0; cursor:pointer; font:inherit; }
@media (max-width: 900px) { .content-section, .two-col-card, .footer-grid { grid-template-columns:1fr; } .post-grid-large { grid-template-columns:1fr; } .section-row { align-items:start; flex-direction:column; } }