:root {
    --portal-bg: #f5f7fa;
    --portal-surface: #ffffff;
    --portal-surface-soft: #f8fbff;
    --portal-text: #172033;
    --portal-text-soft: #4b5565;
    --portal-border: #dbe4ee;
    --portal-primary: #2a6fdb;
    --portal-primary-dark: #1f58b5;
    --portal-success: #1f9d63;
    --portal-danger: #d93b3b;
    --portal-shadow: 0 10px 30px rgba(16, 24, 40, 0.08);
    --portal-shadow-hover: 0 18px 40px rgba(16, 24, 40, 0.12);
    --portal-radius-lg: 26px;
    --portal-radius: 20px;
    --portal-radius-sm: 14px;
    --portal-container: 1180px;
    --portal-max-content: 1120px;
    --portal-btn-height: 52px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background:
        radial-gradient(circle at top right, rgba(42,111,219,0.08), transparent 28%),
        linear-gradient(180deg, #f8fbff 0%, #f5f7fa 40%, #f5f7fa 100%);
    color: var(--portal-text);
    font-family: Inter, Arial, sans-serif;
    line-height: 1.55;
}
a { color: inherit; text-decoration: none; }
.portal-container { width: min(var(--portal-container), calc(100% - 32px)); margin: 0 auto; }
.portal-main { min-height: calc(100vh - 78px); }
.portal-shell { padding: 38px 0 64px; }
.portal-page { color: var(--portal-text); }
.portal-topbar { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(219,228,238,.9); }
.portal-topbar-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.portal-brand { display:flex; align-items:center; gap:12px; }
.portal-brand-mark { width:42px; height:42px; border-radius:12px; display:grid; place-items:center; background:linear-gradient(135deg,#2a6fdb,#4d8fff); color:#fff; font-weight:800; box-shadow:0 10px 20px rgba(42,111,219,.22); }
.portal-brand-text { display:flex; flex-direction:column; line-height:1.1; }
.portal-brand-text strong { font-size:1rem; color:#111827; }
.portal-brand-text small { font-size:.76rem; color:var(--portal-text-soft); }
.portal-nav { display:flex; align-items:center; gap:10px; flex-wrap:wrap; }
.portal-nav-link { padding:10px 14px; border-radius:10px; font-weight:600; color:#223047; transition: background .18s ease, color .18s ease, transform .18s ease; }
.portal-nav-link:hover { background:#eef4ff; color:var(--portal-primary); transform:translateY(-1px); }
.portal-nav-link-active { background:#eef4ff; color:var(--portal-primary); }
.portal-nav-link-cta { background:var(--portal-primary); color:#fff !important; box-shadow:0 10px 22px rgba(42,111,219,.22); }
.portal-nav-link-cta:hover { background:var(--portal-primary-dark) !important; color:#fff !important; }
.portal-badge, .portal-mini-badge, .portal-plan-tag { display:inline-flex; align-items:center; gap:8px; border-radius:999px; font-weight:700; letter-spacing:.01em; }
.portal-badge { background:#eaf2ff; color:var(--portal-primary); padding:8px 14px; font-size:13px; margin-bottom:14px; }
.portal-mini-badge { background:#eef4ff; color:var(--portal-primary); padding:7px 12px; font-size:12px; margin-bottom:12px; }
.portal-plan-tag { background:#edf7ff; color:var(--portal-primary); padding:7px 12px; font-size:12px; margin-bottom:14px; }
.portal-hero-card,.portal-auth-copy-card,.portal-auth-form-card,.portal-feature-card,.portal-step-card,.portal-trust-card,.portal-info-card,.portal-cta-card { background:rgba(255,255,255,.94); border:1px solid rgba(219,228,238,.9); box-shadow:var(--portal-shadow); }
.portal-hero-card,.portal-auth-copy-card,.portal-auth-form-card { border-radius:var(--portal-radius-lg); padding:30px; }
.portal-hero-grid { display:grid; grid-template-columns:1.15fr .85fr; gap:24px; align-items:stretch; }
.portal-auth-layout { max-width:var(--portal-max-content); margin:0 auto; display:grid; grid-template-columns:1.06fr .94fr; gap:24px; align-items:stretch; }
.portal-side-stack,.portal-trust-list,.portal-stack-actions { display:grid; gap:16px; }
.portal-hero-copy h1,.portal-auth-copy-card h1 { font-size:clamp(2.1rem,4vw,3.25rem); line-height:1.08; margin:0 0 16px; color:#101828; }
.portal-lead { font-size:1.07rem; color:var(--portal-text-soft); max-width:760px; margin:0 0 22px; }
.portal-action-row { display:flex; gap:12px; flex-wrap:wrap; }
.portal-btn { display:inline-flex; align-items:center; justify-content:center; min-height:var(--portal-btn-height); padding:12px 18px; border-radius:12px; border:1px solid transparent; font-weight:700; transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease; cursor:pointer; }
.portal-btn:hover { transform:translateY(-1px); }
.portal-btn-primary { background:var(--portal-primary); color:#fff; box-shadow:0 10px 22px rgba(42,111,219,.22); }
.portal-btn-primary:hover { background:var(--portal-primary-dark); }
.portal-btn-secondary { background:#fff; color:var(--portal-text); border-color:var(--portal-border); }
.portal-btn-secondary:hover,.portal-btn-ghost:hover { box-shadow:var(--portal-shadow); }
.portal-btn-ghost { background:transparent; color:var(--portal-text); border-color:var(--portal-border); }
.portal-btn-block { width:100%; }
.portal-proof-strip { display:flex; gap:12px; flex-wrap:wrap; margin:24px 0 0; }
.portal-proof-item { background:rgba(255,255,255,.9); border:1px solid var(--portal-border); border-radius:999px; padding:10px 14px; font-size:14px; color:var(--portal-text); transition:transform .18s ease, box-shadow .18s ease; }
.portal-proof-item:hover { transform:translateY(-2px); box-shadow:0 12px 24px rgba(16,24,40,.08); }
.portal-info-card,.portal-feature-card,.portal-step-card,.portal-trust-card { border-radius:20px; padding:22px; transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.portal-info-card:hover,.portal-feature-card:hover,.portal-step-card:hover,.portal-trust-card:hover { transform:translateY(-4px); box-shadow:var(--portal-shadow-hover); border-color:#c7d8ee; }
.portal-info-row { display:flex; justify-content:space-between; gap:14px; padding:10px 0; border-bottom:1px solid #edf2f7; font-size:14px; }
.portal-info-row:last-child { border-bottom:none; }
.portal-info-row span { color:var(--portal-text-soft); }
.is-open { color:var(--portal-primary); }
.is-success { color:var(--portal-success); }
.portal-section-block { max-width:var(--portal-max-content); margin:26px auto 0; }
.portal-section-head { text-align:center; max-width:860px; margin:0 auto 24px; }
.portal-section-head h2 { margin:0 0 10px; font-size:clamp(1.7rem,3vw,2.35rem); color:#101828; }
.portal-section-head p { margin:0; color:var(--portal-text-soft); }
.portal-card-grid { display:grid; gap:18px; }
.portal-card-grid-2 { grid-template-columns:repeat(2,1fr); }
.portal-card-grid-3 { grid-template-columns:repeat(3,1fr); }
.portal-feature-icon { width:52px; height:52px; border-radius:14px; display:grid; place-items:center; font-size:24px; background:#eef4ff; margin-bottom:16px; }
.portal-feature-card h3,.portal-step-card h3,.portal-trust-card strong { color:#111827; margin-top:0; }
.portal-feature-card p,.portal-step-card p,.portal-trust-card p,.portal-auth-form-card p,.portal-auth-copy-card p { color:var(--portal-text-soft); margin-bottom:0; }
.portal-step-number { width:42px; height:42px; border-radius:50%; display:grid; place-items:center; background:var(--portal-primary); color:#fff; font-weight:800; margin-bottom:14px; }
.portal-check-list { list-style:none; padding:0; margin:18px 0 22px; }
.portal-check-list li { position:relative; padding-left:26px; margin-bottom:12px; color:var(--portal-text); }
.portal-check-list li::before { content:"✓"; position:absolute; left:0; top:0; color:var(--portal-success); font-weight:800; }
.portal-plan-card-highlight { background:linear-gradient(180deg,#ffffff,#f5f9ff); border-color:#cfe0ff; }
.portal-cta-card { border-radius:28px; padding:28px; display:flex; justify-content:space-between; gap:20px; align-items:center; background:linear-gradient(135deg,#ffffff,#f4f8ff); }
.portal-cta-card h2 { margin:0 0 10px; font-size:clamp(1.6rem,3vw,2.2rem); color:#101828; }
.portal-cta-card p { margin:0; color:var(--portal-text-soft); }
.portal-auth-card-head { margin-bottom:18px; }
.portal-auth-card-head h2 { margin:0 0 8px; color:#111827; font-size:1.9rem; }
.portal-auth-card-head p { margin:0; color:var(--portal-text-soft); }
.portal-form { display:flex; flex-direction:column; gap:15px; }
.portal-form-group { display:flex; flex-direction:column; gap:8px; }
.portal-form-group label { font-weight:700; color:#1f2937; font-size:14px; }
.portal-form-group input,.portal-form-group select,.portal-form-group textarea { width:100%; border:1px solid #cfd9e5; border-radius:14px; min-height:54px; padding:14px 16px; font-size:15px; color:#172033; background:#fff; transition:border-color .18s ease, box-shadow .18s ease, transform .18s ease; }
.portal-form-group input::placeholder,.portal-form-group textarea::placeholder { color:#94a3b8; }
.portal-form-group input:hover,.portal-form-group select:hover,.portal-form-group textarea:hover { border-color:#b9cce2; background:#fcfdff; }
.portal-form-group input:focus,.portal-form-group select:focus,.portal-form-group textarea:focus { outline:none; border-color:#9ec0ff; box-shadow:0 0 0 4px rgba(42,111,219,.12); transform:translateY(-1px); }
.portal-auth-footer { margin-top:18px; padding-top:18px; border-top:1px solid #edf2f7; }
.portal-auth-footer-text { margin:0 0 12px; color:var(--portal-text-soft); font-weight:600; }
.portal-alert { border-radius:12px; padding:12px 14px; font-size:14px; margin-bottom:16px; }
.portal-alert-danger { background:#fff0f0; color:#a52828; border:1px solid #f2c4c4; }
.portal-alert-success { background:#ebf9f1; color:#176843; border:1px solid #b9e7cb; }
.portal-trust-card { display:flex; gap:14px; align-items:flex-start; }
.portal-trust-icon { width:38px; height:38px; border-radius:10px; background:#eaf2ff; color:var(--portal-primary); display:grid; place-items:center; font-weight:800; flex:0 0 38px; }
.portal-auth-side-note { background:#eef6ff; border:1px solid #cfe0ff; border-radius:16px; padding:16px; margin-top:22px; }
.portal-auth-side-note strong { display:block; margin-bottom:6px; color:#12325f; }
.portal-auth-side-note p { margin:0; color:#36506f; }
.portal-fade-up { opacity:0; transform:translateY(18px); animation:portalFadeUp .55s ease forwards; }
.portal-delay-1 { animation-delay:.08s; }
.portal-delay-2 { animation-delay:.16s; }
.portal-delay-3 { animation-delay:.24s; }
@keyframes portalFadeUp { to { opacity:1; transform:translateY(0); } }
@media (max-width: 1024px) { .portal-hero-grid,.portal-auth-layout,.portal-card-grid-3,.portal-card-grid-2 { grid-template-columns:1fr; } }
@media (max-width: 820px) { .portal-topbar-inner { flex-direction:column; align-items:flex-start; padding:14px 0; } .portal-nav { width:100%; } }
@media (max-width: 640px) { .portal-container { width:min(100% - 20px, var(--portal-container)); } .portal-hero-card,.portal-auth-copy-card,.portal-auth-form-card,.portal-cta-card { padding:20px; } .portal-proof-strip,.portal-action-row,.portal-nav { flex-direction:column; align-items:stretch; } .portal-btn,.portal-btn-block,.portal-nav-link { width:100%; } }