/* Estilos de la web pública de CertApp (landing, signup, pricing, welcome, portal).
 * Variables CSS con tema oscuro suave. Sin frameworks. */

:root {
    --bg: #0f1115;
    --bg-soft: #161a21;
    --bg-card: #1c2128;
    --border: #2a3038;
    --text: #e6e9ef;
    --text-soft: #a4abb6;
    --text-dim: #6b7380;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --radius: 8px;
    --radius-lg: 14px;
    --shadow: 0 4px 14px rgba(0,0,0,0.25);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.4);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.55;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }

img { max-width: 100%; }

/* ===== Layout ===== */
.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Header ===== */
.site-header {
    position: sticky;
    top: 0;
    background: rgba(15,17,21,0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
}
.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}
.site-brand {
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--text);
    text-decoration: none;
    letter-spacing: 0.5px;
}
.site-nav {
    display: flex;
    gap: 28px;
    align-items: center;
}
.site-nav a {
    color: var(--text-soft);
    font-size: 0.95rem;
}
.site-nav a:hover { color: var(--text); text-decoration: none; }

/* ===== Botones ===== */
.btn {
    display: inline-block;
    padding: 11px 22px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.95rem;
    border: 0;
    cursor: pointer;
    text-decoration: none;
    transition: all 150ms ease;
    text-align: center;
    line-height: 1;
}
.btn:hover { text-decoration: none; }
.btn-primary {
    background: var(--accent);
    color: white;
}
.btn-primary:hover { background: var(--accent-hover); color: white; }
.btn-secondary {
    background: var(--bg-card);
    color: var(--text);
    border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--border); color: var(--text); }
.btn-ghost {
    background: transparent;
    color: var(--accent);
}
.btn-ghost:hover { background: var(--bg-card); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-block { width: 100%; }

/* ===== Hero ===== */
.hero {
    padding: 80px 0 60px;
    text-align: center;
}
.hero h1 {
    font-size: 2.75rem;
    line-height: 1.1;
    margin: 0 0 22px;
    letter-spacing: -0.5px;
}
.hero h1 .accent { color: var(--accent); }
.hero p.lead {
    font-size: 1.15rem;
    color: var(--text-soft);
    max-width: 640px;
    margin: 0 auto 32px;
}
.hero .cta-row {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}
.hero .meta {
    margin-top: 22px;
    color: var(--text-dim);
    font-size: 0.9rem;
}

/* ===== Secciones ===== */
section {
    padding: 60px 0;
    border-top: 1px solid var(--border);
}
section.first { border-top: 0; }
section h2 {
    font-size: 2rem;
    text-align: center;
    margin: 0 0 12px;
    letter-spacing: -0.3px;
}
section .section-lead {
    text-align: center;
    color: var(--text-soft);
    max-width: 640px;
    margin: 0 auto 48px;
}

/* ===== Features grid ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}
.feature {
    padding: 26px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}
.feature .ico {
    font-size: 1.6rem;
    margin-bottom: 12px;
    display: inline-block;
}
.feature h3 {
    margin: 0 0 8px;
    font-size: 1.1rem;
}
.feature p {
    margin: 0;
    color: var(--text-soft);
    font-size: 0.95rem;
}

/* ===== Pricing ===== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 22px;
    max-width: 940px;
    margin: 0 auto;
}
.plan {
    padding: 32px 28px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
}
.plan.highlight {
    border-color: var(--accent);
    box-shadow: var(--shadow);
}
.plan-name {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text);
    margin-bottom: 6px;
}
.plan-price {
    font-size: 2rem;
    font-weight: 700;
    margin: 8px 0 4px;
}
.plan-price small {
    font-size: 0.9rem;
    color: var(--text-dim);
    font-weight: 400;
}
.plan-meta {
    color: var(--text-soft);
    font-size: 0.9rem;
    margin-bottom: 18px;
}
.plan ul {
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
    flex: 1;
}
.plan ul li {
    padding: 6px 0;
    color: var(--text-soft);
    font-size: 0.93rem;
}
.plan ul li::before {
    content: "✓ ";
    color: var(--success);
    margin-right: 4px;
}

/* ===== FAQ ===== */
.faq {
    max-width: 760px;
    margin: 0 auto;
}
.faq details {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px 20px;
    margin-bottom: 10px;
}
.faq summary {
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    color: var(--text);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
    content: "+";
    float: right;
    color: var(--text-dim);
}
.faq details[open] summary::after { content: "−"; }
.faq details p {
    color: var(--text-soft);
    margin: 14px 0 4px;
    font-size: 0.95rem;
}

/* ===== Forms ===== */
.form-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    max-width: 460px;
    margin: 0 auto;
    box-shadow: var(--shadow);
}
.form-card h2 { text-align: left; margin: 0 0 8px; font-size: 1.4rem; }
.form-card .form-lead { color: var(--text-soft); font-size: 0.95rem; margin-bottom: 24px; }
.form-group {
    margin-bottom: 16px;
}
.form-group label {
    display: block;
    color: var(--text-soft);
    font-size: 0.85rem;
    margin-bottom: 6px;
}
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 11px 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 0.95rem;
    font-family: inherit;
}
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}
.form-help { font-size: 0.85rem; color: var(--text-dim); margin-top: 4px; }
.form-error {
    color: var(--danger);
    font-size: 0.9rem;
    margin-top: 8px;
    min-height: 1.2em;
}
.form-success {
    color: var(--success);
    font-size: 0.95rem;
    margin: 12px 0;
}
.terms-row {
    font-size: 0.85rem;
    color: var(--text-soft);
    margin: 12px 0 18px;
    display: flex;
    gap: 8px;
    align-items: flex-start;
}
.terms-row input { margin-top: 2px; }

/* ===== Footer ===== */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 32px 0;
    color: var(--text-dim);
    font-size: 0.9rem;
    margin-top: 60px;
}
.site-footer .container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}
.site-footer a { color: var(--text-soft); }

/* ===== Welcome page ===== */
.welcome-hero {
    padding: 80px 0;
    text-align: center;
}
.welcome-hero .icon-ok {
    width: 72px;
    height: 72px;
    background: var(--success);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    margin-bottom: 22px;
}
.license-display {
    font-family: 'SF Mono', Menlo, Consolas, monospace;
    background: var(--bg-card);
    border: 2px dashed var(--accent);
    color: var(--text);
    font-size: 1.4rem;
    padding: 18px 28px;
    border-radius: var(--radius);
    margin: 24px auto;
    display: inline-block;
    letter-spacing: 1px;
}

/* ===== Customer portal ===== */
.portal-shell {
    max-width: 900px;
    margin: 40px auto;
    padding: 0 24px;
}
.portal-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-bottom: 22px;
}
.portal-card h3 {
    margin: 0 0 14px;
    font-size: 1.1rem;
}
.portal-card .row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
}
.portal-card .row:last-child { border-bottom: 0; }
.portal-card .row .label { color: var(--text-soft); font-size: 0.9rem; }
.portal-card .row .value { font-weight: 500; }

.seat-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.seat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg);
    padding: 12px 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}
.seat-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.seat-name { font-weight: 600; color: var(--text); }
.seat-meta { font-size: 0.8rem; color: var(--text-dim); font-family: 'SF Mono', monospace; }
.seat-actions { display: flex; gap: 8px; }
.seat-empty {
    text-align: center;
    color: var(--text-dim);
    padding: 24px;
    font-style: italic;
}

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.badge-active   { background: rgba(16,185,129,0.18); color: var(--success); }
.badge-trial    { background: rgba(59,130,246,0.18); color: var(--accent); }
.badge-trial-expired,
.badge-payment-pending,
.badge-cancelled,
.badge-revoked { background: rgba(245,158,11,0.18); color: var(--warning); }

.utility-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* Notificaciones flotantes */
.toast {
    position: fixed;
    top: 80px;
    right: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 14px 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    font-size: 0.92rem;
    max-width: 360px;
    z-index: 200;
    animation: toast-in 200ms ease;
}
.toast.toast-success { border-left: 3px solid var(--success); }
.toast.toast-error   { border-left: 3px solid var(--danger); }
.toast.toast-warning { border-left: 3px solid var(--warning); }
@keyframes toast-in {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.hidden { display: none !important; }
.text-center { text-align: center; }
.muted { color: var(--text-dim); }
.tag-light { font-weight: 400; color: var(--text-soft); font-size: 0.85em; margin-left: 4px; }

@media (max-width: 600px) {
    .hero h1 { font-size: 2rem; }
    .site-nav { gap: 16px; }
    .site-nav a:not(.btn) { display: none; }
}