:root {
  --bg: #ffffff;
  --panel: #f6f7f8;
  --panel-2: #ffffff;
  --text: #101214;
  --muted: #5d6671;
  --border: #e6e8eb;
  --accent: #111111;
  --success: #1c7c54;
  --warning: #a66a00;
  --danger: #b42318;
  --shadow: 0 20px 40px rgba(16,18,20,.06);
  --radius: 18px;
  --radius-sm: 12px;
  --container: 1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:var(--bg);line-height:1.6}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(var(--container), calc(100% - 32px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:74px;gap:16px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.04em;min-width:160px}
.brand img{height:34px;width:auto;display:block}
.nav-wrap{display:flex;align-items:center;gap:24px;flex:1;justify-content:flex-end}
.nav{display:flex;gap:20px;flex-wrap:wrap;color:var(--muted);font-size:.95rem}
.nav a:hover,.nav a.active{color:var(--text)}
.header-actions{display:flex;gap:12px;align-items:center}
.menu-toggle{display:none;background:#fff;border:1px solid var(--border);border-radius:12px;padding:10px 12px;font-size:1.1rem}
.account-menu{position:relative}
.account-trigger{min-width:160px}
.account-dropdown{display:none;position:absolute;right:0;top:calc(100% + 8px);background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);min-width:220px;padding:8px;z-index:60}
.account-dropdown a{display:block;padding:10px 12px;border-radius:10px;color:var(--text)}
.account-dropdown a:hover{background:#f2f4f6}
body.account-open .account-dropdown{display:block}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 18px;border-radius:14px;border:1px solid var(--border);font-weight:700;transition:.2s ease;background:#fff;cursor:pointer}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-secondary{background:var(--panel)}
.btn-ghost{background:transparent}
.hero{padding:72px 0 42px}
.hero-grid{display:grid;grid-template-columns:1.2fr .9fr;gap:32px;align-items:center}
.hero-copy h1{font-size:clamp(2.2rem, 5vw, 4.2rem);line-height:1.03;margin:0 0 18px;letter-spacing:-.04em}
.hero-copy p{font-size:1.08rem;color:var(--muted);max-width:62ch;margin:0 0 22px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:18px}
.hero-note{display:flex;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:.95rem}
.kpi-card,.hero-card,.panel,.stat,.pricing-card,.channel-card,.feature-card,.faq-item,.contact-card,.auth-card,.dashboard-card{background:var(--panel-2);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.hero-card{padding:26px;background:linear-gradient(180deg,#fff,#f4f6f8)}
.hero-card h3{margin-top:0}
.badge{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#f1f2f3;border:1px solid var(--border);font-size:.84rem;font-weight:700;color:#222}
.section{padding:36px 0}
.section-head{max-width:760px;margin-bottom:24px}
.section-head h2{font-size:clamp(1.8rem,3vw,2.8rem);line-height:1.08;margin:0 0 12px;letter-spacing:-.03em}
.section-head p{margin:0;color:var(--muted)}
.grid-2,.grid-3,.grid-4{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.feature-card,.channel-card,.pricing-card,.contact-card,.dashboard-card,.auth-card,.faq-item,.panel{padding:22px}
.feature-card h3,.channel-card h3,.pricing-card h3,.dashboard-card h3{margin:0 0 10px;font-size:1.12rem}
.muted{color:var(--muted)}
.check-list,.mini-list{margin:0;padding-left:18px;color:var(--muted)}
.check-list li,.mini-list li{margin-bottom:8px}
.pricing-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.pricing-card.featured{border-color:#111;transform:translateY(-4px)}
.price{font-size:2rem;font-weight:800;letter-spacing:-.03em;margin:10px 0}
.small{font-size:.92rem;color:var(--muted)}
.faq-item summary{cursor:pointer;font-weight:700}
.faq-item[open]{background:#fbfbfc}
.page-hero{padding:42px 0 20px}
.page-hero h1{font-size:clamp(2rem,4vw,3.2rem);line-height:1.06;margin:0 0 10px;letter-spacing:-.03em}
.breadcrumbs{font-size:.92rem;color:var(--muted);margin-bottom:12px}
.footer{margin-top:54px;border-top:1px solid var(--border);padding:28px 0 42px;color:var(--muted);background:#fafbfc}
.footer-grid{display:grid;grid-template-columns:1.3fr .7fr .7fr;gap:22px}
.footer h4{margin:0 0 10px;color:var(--text)}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse}
th,td{padding:12px 14px;border-bottom:1px solid var(--border);text-align:left;font-size:.95rem}
th{font-size:.84rem;letter-spacing:.04em;text-transform:uppercase;color:var(--muted)}
input,select,textarea{width:100%;padding:13px 14px;border:1px solid var(--border);border-radius:14px;font:inherit;background:#fff;color:var(--text)}
textarea{min-height:110px;resize:vertical}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.form-grid .full{grid-column:1/-1}
.form-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.notice{padding:14px 16px;border-radius:14px;background:#f8f9fb;border:1px solid var(--border);font-size:.95rem}
.notice.success{background:#eef8f3;border-color:#cde8d8;color:#135a3b}
.notice.warning{background:#fff7ea;border-color:#f2ddb0;color:#8a5a00}
.notice.error{background:#fef1f1;border-color:#f5caca;color:#9d1c1c}
.layout{display:grid;grid-template-columns:280px 1fr;gap:24px;padding:28px 0 42px}
.sidebar{position:sticky;top:96px;height:max-content}
.sidebar .panel{padding:14px}
.sidebar nav{display:grid;gap:8px}
.sidebar a{padding:10px 12px;border-radius:12px;color:var(--muted);font-weight:600}
.sidebar a.active,.sidebar a:hover{background:#f2f4f6;color:var(--text)}
.content-stack{display:grid;gap:20px}
.kpi-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.kpi-card{padding:18px}
.kpi-card .label{font-size:.82rem;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.kpi-card .value{font-size:1.6rem;font-weight:800;letter-spacing:-.03em;margin-top:6px}
.card-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:14px}
.chip{display:inline-flex;padding:7px 10px;border-radius:999px;font-size:.8rem;font-weight:700;background:#f1f2f3;border:1px solid var(--border)}
.chip.success{color:var(--success);background:#eef8f3;border-color:#cde8d8}
.chip.warning{color:var(--warning);background:#fff7ea;border-color:#f2ddb0}
.chip.danger{color:var(--danger);background:#fef1f1;border-color:#f5caca}
.channel-actions,.inline-actions{display:flex;gap:10px;flex-wrap:wrap}
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}
.empty{color:var(--muted);font-style:italic}
@media (max-width: 1080px){
  .hero-grid,.split,.footer-grid,.layout{grid-template-columns:1fr}
  .sidebar{position:static}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .pricing-grid,.grid-3{grid-template-columns:1fr 1fr}
  .kpi-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width: 760px){
  .nav,.header-actions{display:none}
  .grid-2,.grid-3,.grid-4,.pricing-grid,.form-grid,.kpi-grid{grid-template-columns:1fr}
  .hero{padding-top:44px}
}

.brand-logo{height:42px;width:auto;max-width:240px}
.menu-toggle{display:none;flex-direction:column;gap:5px;background:transparent;border:none;padding:8px;cursor:pointer}
.menu-toggle span{display:block;width:22px;height:2px;background:#111;border-radius:999px}
.user-menu{position:relative}
.user-menu-button{display:inline-flex;align-items:center;gap:8px;padding:12px 14px;border:1px solid var(--border);border-radius:14px;background:#fff;font-weight:700;cursor:pointer}
.user-menu-dropdown{position:absolute;right:0;top:calc(100% + 8px);min-width:220px;padding:10px;background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);display:none;z-index:60}
.user-menu.open .user-menu-dropdown{display:block}
.user-menu-dropdown a,.user-menu-dropdown button{width:100%;text-align:left;padding:10px 12px;border:none;background:transparent;border-radius:10px;cursor:pointer;font:inherit;color:var(--text);display:block}
.user-menu-dropdown a:hover,.user-menu-dropdown button:hover{background:#f3f5f7}
.sidebar a.active{background:#111;color:#fff}
.section-anchor{scroll-margin-top:100px}
@media (max-width: 760px){
  .menu-toggle{display:flex}
  .nav{display:none;position:absolute;left:16px;right:16px;top:74px;padding:14px;background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);flex-direction:column}
  .site-header.menu-open .nav{display:flex}
  .header-actions{display:flex;gap:8px;margin-left:auto}
  .header-actions .btn{padding:10px 12px}
  .header-actions.logged-out{display:none}
  .brand-logo{max-width:180px;height:34px}
}

.table-mini td,.table-mini th{padding:10px 12px}
.header-note{font-size:.9rem;color:var(--muted)}
@media (max-width: 980px){.menu-toggle{display:inline-flex;align-items:center;justify-content:center}.nav-wrap{position:fixed;inset:74px 0 auto 0;background:rgba(255,255,255,.98);padding:20px 16px;border-bottom:1px solid var(--border);display:none;flex-direction:column;align-items:stretch}.nav{flex-direction:column;gap:8px}.header-actions{display:flex;flex-direction:column;align-items:stretch;width:100%}body.nav-open .nav-wrap{display:flex}}
@media (max-width: 760px){.header-inner{min-height:68px}.brand img{height:30px}.nav,.header-actions{display:flex}.header-actions .btn{width:100%}.footer-grid{grid-template-columns:1fr}}

/* --- v71 polish --- */
body.nav-open .nav-wrap{display:flex}
.menu-toggle{display:none;align-items:center;justify-content:center;width:46px;height:46px;padding:0}
.menu-toggle span{display:block;width:18px;height:2px;background:#111;margin:3px 0;border-radius:2px}
.eyebrow{display:inline-block;font-size:.78rem;font-weight:800;letter-spacing:.12em;color:#6b7280;margin-bottom:14px}
.hero-ref{padding-top:56px}
.ref-grid{align-items:flex-start}
.hero-card.compact{padding:28px}
.section-head{max-width:780px;margin-bottom:24px}
.section-head h2{margin:0 0 8px;font-size:clamp(1.8rem,3vw,2.75rem);line-height:1.06}
.section-head p{margin:0;color:var(--muted)}
.section-muted{background:linear-gradient(180deg,#fafafa 0%,#fff 100%)}
.steps-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.step-card{position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;min-height:220px;overflow:hidden}
.step-number{position:absolute;right:18px;bottom:8px;font-size:3rem;font-weight:800;color:#eceef0;line-height:1}
.step-card h3{margin:0 0 10px}
.final-cta .cta-panel{display:flex;align-items:center;justify-content:space-between;gap:24px}
.auth-shell{padding:48px 0 72px}
.auth-only{display:flex;align-items:center;justify-content:center;min-height:calc(100vh - 220px)}
.auth-card-large{max-width:680px;width:100%;padding:30px}
.form-grid textarea{width:100%;min-height:120px;padding:12px 14px;border:1px solid var(--border);border-radius:14px;font:inherit;resize:vertical;background:#fff}
.consent-box{padding-top:6px}
.checkbox{display:flex;align-items:flex-start;gap:10px;font-size:.95rem;color:var(--muted)}
.checkbox input{margin-top:4px}
.private-shell.is-hidden{visibility:hidden}
.private-shell .is-hidden{display:none!important}
.sidebar nav a{transition:background-color .25s ease,color .25s ease,border-color .25s ease; border-left:2px solid transparent; padding:10px 12px; border-radius:10px; color:var(--muted); display:block}
.sidebar nav a.active{background:#f4f5f6;color:#101214;border-left-color:#cfd4da}
.legal-links{display:flex;flex-wrap:wrap;gap:10px 14px;margin-top:14px}
.legal-links a{font-size:.92rem;color:var(--muted)}
.legal-doc{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:28px}
.legal-doc h2{margin-top:0.4em}
.notice.warning{background:#fff7e6;border-color:#f3d18a;color:#825400}
.notice.error{background:#fff2f1;border-color:#f5c2be;color:#9b1c1c}
.notice.success{background:#eefbf3;border-color:#b8e3c7;color:#12643b}
.notice{padding:12px 14px;border:1px solid var(--border);border-radius:12px}
.small{color:var(--muted)}
.page-hero{padding:44px 0 16px}
.breadcrumbs{font-size:.9rem;color:var(--muted);margin-bottom:10px}
.card-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:16px}
.table-wrap{overflow:auto}
.empty{text-align:center;color:var(--muted);padding:20px}
.muted{color:var(--muted)}
.kpi-grid,.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.inline-actions,.form-actions,.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.channel-actions .btn{min-width:145px}
#channelsGrid .channel-card h3{margin:0 0 6px}
.account-dropdown{min-width:240px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:28px}
.footer{padding:36px 0 48px;border-top:1px solid var(--border);margin-top:56px}
.feature-card,.channel-card,.pricing-card,.panel,.dashboard-card,.auth-card,.contact-card,.hero-card{padding:22px}
.feature-card h3,.channel-card h2,.pricing-card h2{margin-top:0}
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.pricing-card.featured{border-color:#111}
.price{font-size:2rem;font-weight:800;line-height:1.1;margin:10px 0 12px}
@media (max-width: 1100px){
  .steps-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width: 920px){
  .hero-grid,.grid-2,.footer-grid{grid-template-columns:1fr}
  .grid-3,.pricing-grid,.kpi-grid,.grid-4{grid-template-columns:1fr 1fr}
  .layout{display:block}
  .sidebar{position:static;margin-bottom:16px}
  .nav-wrap{position:fixed;inset:74px 0 auto 0;background:rgba(255,255,255,.98);padding:16px 20px;border-bottom:1px solid var(--border);display:none;flex-direction:column;align-items:flex-start}
  .nav{flex-direction:column;gap:8px;width:100%}
  .header-actions{width:100%;justify-content:flex-start}
  .menu-toggle{display:flex}
}
@media (max-width: 640px){
  .container{width:min(var(--container), calc(100% - 24px))}
  .hero-copy h1{font-size:2.1rem}
  .grid-3,.pricing-grid,.kpi-grid,.grid-4,.steps-grid{grid-template-columns:1fr}
  .final-cta .cta-panel{align-items:flex-start}
  .header-inner{min-height:68px}
  .brand img{height:28px}
}

:root{--header-max:1180px;}
.header-inner{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:18px;min-height:76px}
.brand{justify-self:center;display:flex;align-items:center;justify-content:center}
.nav-wrap{display:flex;align-items:center;gap:18px;justify-self:center}
.nav{display:flex;align-items:center;gap:18px;justify-content:center}
.nav a,.header-actions .btn{font-size:.96rem}
.header-actions{display:flex;align-items:center;gap:12px}
.brand-logo{height:34px;max-width:180px}
.auth-shell{display:flex;align-items:center;justify-content:center;min-height:calc(100vh - 160px)}
.auth-card{max-width:760px;margin:0 auto}
.form-grid .consent-box{grid-column:1 / -1}
.checkbox{display:flex;align-items:flex-start;gap:10px}
.checkbox input{margin-top:4px;flex:0 0 auto}
.checkbox span{display:block;flex:1 1 auto}
.private-sections .dashboard-card.is-hidden{display:none}
.sidebar nav a{transition:all .22s ease;background:transparent;border-left:3px solid transparent;color:#5b6471}
.sidebar nav a.active{background:#f8f9fa;color:#131720;border-left-color:#c7ced8;box-shadow:inset 0 0 0 1px rgba(0,0,0,.03)}
.tabs-inline{padding:6px 0 4px}
.modal-backdrop{position:fixed;inset:0;background:rgba(17,17,17,.48);display:none;align-items:center;justify-content:center;padding:20px;z-index:120}
.modal-backdrop.open{display:flex}
.modal-card{background:#fff;border-radius:24px;max-width:860px;width:min(860px,100%);padding:24px;box-shadow:0 20px 60px rgba(0,0,0,.18)}
.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.icon-btn{border:none;background:transparent;font-size:28px;line-height:1;cursor:pointer}
.payment-frame{width:100%;min-height:560px;border:1px solid var(--border);border-radius:18px;background:#fafafa;margin-top:14px}
.notice.warning{background:#fff8e8;color:#7c5b00;border:1px solid #f0d89a}
@media (max-width: 980px){
  .header-inner{display:flex;justify-content:space-between;min-height:68px}
  .nav-wrap{position:fixed;inset:74px 0 auto 0;background:rgba(255,255,255,.98);padding:16px 20px;border-bottom:1px solid var(--border);display:none;flex-direction:column;align-items:flex-start}
  body.nav-open .nav-wrap{display:flex}
  .nav{flex-direction:column;align-items:flex-start;width:100%}
  .header-actions{flex-direction:column;align-items:stretch;width:100%}
  .header-actions .btn{width:100%}
  .menu-toggle{display:flex}
}