:root {
    --bg: #0f172a;
    --surface: #111827;
    --surface-2: #172033;
    --card: #ffffff;
    --card-soft: #f8fafc;
    --text: #0f172a;
    --text-soft: #475569;
    --text-inverse: #f8fafc;
    --gold: #c4a466;
    --gold-soft: #e4d4b0;
    --line: #e2e8f0;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #dc2626;
    --shadow: 0 18px 42px rgba(15, 23, 42, 0.12);
    --radius: 20px;
    --max: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    background: #f8fafc;
}
body.modal-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 40;
    background: rgba(15, 23, 42, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.site-header__inner {
    max-width: var(--max);
    margin: 0 auto;
    padding: 18px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}
.brand-mark {
    color: white;
    font-weight: 800;
    letter-spacing: 0.08em;
}
.brand-mark span { color: var(--gold); }
.site-nav {
    display: flex;
    align-items: center;
    gap: 18px;
}
.site-nav a {
    color: rgba(255,255,255,0.78);
    font-size: 0.95rem;
}
.site-nav a:hover { color: #fff; }
.site-nav__cta {
    padding: 10px 16px;
    border-radius: 999px;
    background: var(--gold);
    color: #111827 !important;
    font-weight: 700;
}
.mobile-nav-toggle {
    display: none;
    border: none;
    background: transparent;
    color: white;
    font-size: 1.5rem;
}

.flash { background: #fff7ed; border-bottom: 1px solid #fed7aa; }
.flash__inner { max-width: var(--max); margin: 0 auto; padding: 12px 20px; }
.flash--success { background: #ecfdf5; border-bottom-color: #a7f3d0; }
.flash--error { background: #fef2f2; border-bottom-color: #fecaca; }

.page-shell { max-width: var(--max); margin: 0 auto; padding: 32px 20px 80px; }
.hero-panel {
    background: radial-gradient(circle at top left, rgba(196,164,102,0.22), transparent 40%), linear-gradient(135deg, #0f172a, #172033 65%, #1f2937);
    color: white;
    border-radius: 28px;
    padding: 56px;
    box-shadow: var(--shadow);
    overflow: hidden;
    position: relative;
}
.hero-panel::after {
    content: "";
    position: absolute;
    inset: auto -90px -90px auto;
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(196,164,102,0.18), transparent 66%);
}
.hero-panel--compact { padding: 36px 42px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 20px; }
.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border-radius: 999px;
    padding: 9px 14px;
    background: rgba(255,255,255,0.1);
    color: white;
    border: 1px solid rgba(255,255,255,0.14);
    font-size: 0.9rem;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.35fr 0.95fr;
    gap: 32px;
    align-items: end;
}
.hero-panel h1,
.hero-panel h2 {
    margin: 0 0 18px;
    font-size: clamp(2.2rem, 4.8vw, 4.3rem);
    line-height: 1.03;
}
.hero-panel p { color: rgba(255,255,255,0.8); font-size: 1.08rem; margin: 0 0 28px; max-width: 780px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid transparent;
    border-radius: 999px;
    padding: 13px 18px;
    cursor: pointer;
    font-weight: 700;
}
.btn-primary { background: var(--gold); color: #111827; }
.btn-primary:hover { filter: brightness(1.03); }
.btn-secondary { background: rgba(255,255,255,0.08); color: white; border-color: rgba(255,255,255,0.16); }
.btn-outline { background: transparent; color: var(--text); border-color: var(--line); }
.btn-outline:hover { border-color: var(--gold); color: var(--text); }
.btn-block { width: 100%; }

.hero-stats {
    display: grid;
    gap: 14px;
}
.hero-stat {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 18px;
    padding: 18px 20px;
}
.hero-stat strong {
    display: block;
    font-size: 1.8rem;
    color: white;
}
.hero-stat span { color: rgba(255,255,255,0.7); font-size: 0.95rem; }

.section {
    margin-top: 30px;
    background: transparent;
}
.section-card {
    background: white;
    border-radius: 24px;
    padding: 32px;
    box-shadow: var(--shadow);
}
.section-head {
    display: flex;
    justify-content: space-between;
    align-items: end;
    gap: 20px;
    margin-bottom: 22px;
}
.section-kicker {
    display: inline-block;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--gold);
    margin-bottom: 8px;
    font-weight: 800;
}
.section-head h2, .section-head h1 {
    margin: 0;
    font-size: clamp(1.6rem, 3vw, 2.5rem);
}
.section-head p { margin: 10px 0 0; color: var(--text-soft); max-width: 760px; }

.metrics-grid,
.vertical-grid,
.card-grid,
.details-grid,
.preview-grid,
.admin-kpis {
    display: grid;
    gap: 20px;
}
.metrics-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.metric-card {
    background: white;
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 24px;
    box-shadow: var(--shadow);
}
.metric-card strong {
    display: block;
    font-size: 2.2rem;
    margin-bottom: 6px;
    color: var(--text);
}
.metric-card span { color: var(--text-soft); }

.vertical-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.vertical-card {
    background: linear-gradient(180deg, #111827 0%, #1f2937 100%);
    color: white;
    border-radius: 24px;
    padding: 26px;
    position: relative;
    overflow: hidden;
    min-height: 260px;
    box-shadow: var(--shadow);
}
.vertical-card::before {
    content: "";
    position: absolute;
    inset: auto -40px -40px auto;
    width: 160px;
    height: 160px;
    background: radial-gradient(circle, rgba(255,255,255,0.15), transparent 68%);
}
.vertical-card h3 { margin: 0 0 12px; font-size: 1.5rem; }
.vertical-card p { color: rgba(255,255,255,0.78); margin: 0 0 16px; }
.vertical-card ul { padding-left: 18px; margin: 0 0 20px; color: rgba(255,255,255,0.82); }
.vertical-card li { margin-bottom: 8px; }

.card-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.project-card {
    background: white;
    border: 1px solid var(--line);
    border-radius: 22px;
    overflow: hidden;
    box-shadow: var(--shadow);
    cursor: pointer;
}
.project-card__cover {
    height: 180px;
    background-size: cover;
    background-position: center;
    position: relative;
}
.project-card__cover::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15,23,42,0.05), rgba(15,23,42,0.55));
}
.project-card__body { padding: 22px; }
.project-card__meta {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-soft);
    margin-bottom: 12px;
}
.project-card__title { margin: 0 0 10px; font-size: 1.3rem; }
.project-card__summary { color: var(--text-soft); margin: 0 0 18px; min-height: 70px; }
.project-card__footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--line);
}
.status-chip,
.role-chip,
.small-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 999px;
    background: #f1f5f9;
    font-size: 0.88rem;
    color: var(--text-soft);
}
.status-chip--locked { background: #fff7ed; color: #9a3412; }
.progress-label { font-weight: 800; color: var(--gold); }
.inline-actions { display: flex; flex-wrap: wrap; gap: 10px; }

.filter-bar {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 14px;
    margin-bottom: 22px;
}
.input, .select, .textarea {
    width: 100%;
    border-radius: 14px;
    border: 1px solid var(--line);
    padding: 13px 14px;
    background: white;
    color: var(--text);
}
.textarea { min-height: 120px; resize: vertical; }
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}
.form-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.form-block { margin-bottom: 16px; }
.form-block label {
    display: block;
    margin-bottom: 8px;
    font-weight: 700;
    color: var(--text);
}
.checkbox-row { display: flex; gap: 20px; flex-wrap: wrap; margin: 10px 0 0; }
.checkbox-row label { display: inline-flex; align-items: center; gap: 8px; margin: 0; font-weight: 600; }

.empty-state {
    background: white;
    border: 1px dashed #cbd5e1;
    border-radius: 24px;
    padding: 52px 30px;
    text-align: center;
    box-shadow: var(--shadow);
}
.empty-state h1, .empty-state h2 { margin-top: 0; }
.empty-state p { color: var(--text-soft); }

.preview-panel,
.detail-panel,
.legal-shell,
.auth-shell,
.admin-shell {
    display: grid;
    gap: 24px;
}
.preview-grid, .details-grid { grid-template-columns: 1.2fr 0.8fr; }
.preview-hero, .detail-hero {
    background: white;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow);
}
.preview-hero__cover, .detail-hero__cover { height: 300px; background-size: cover; background-position: center; }
.preview-hero__body, .detail-hero__body { padding: 28px; }
.locked-block {
    background: linear-gradient(135deg, #111827, #1f2937);
    color: white;
    border-radius: 22px;
    padding: 26px;
    box-shadow: var(--shadow);
}
.locked-block p { color: rgba(255,255,255,0.8); }
.note-list, .stack-list { display: grid; gap: 12px; }
.note-item, .stack-item {
    background: white;
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 18px;
}
.stack-item h4, .note-item h4 { margin: 0 0 8px; }
.stack-item p, .note-item p { margin: 0; color: var(--text-soft); }
.timeline {
    display: grid;
    gap: 12px;
}
.timeline-step {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 12px;
    align-items: start;
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid var(--line);
    background: white;
}
.timeline-step__dot {
    width: 14px;
    height: 14px;
    border-radius: 999px;
    background: #cbd5e1;
    margin-top: 6px;
}
.timeline-step--completed .timeline-step__dot { background: var(--success); }
.timeline-step--active { border-color: #e5d3ab; background: #fffdf7; }
.timeline-step--active .timeline-step__dot { background: var(--gold); }
.timeline-step__title { font-weight: 800; margin-bottom: 4px; }
.timeline-step__desc { color: var(--text-soft); }
.info-stack {
    display: grid;
    gap: 14px;
}
.info-card {
    background: white;
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 18px;
}
.info-card h3, .info-card h4 { margin: 0 0 10px; }
.info-card p, .info-card li { color: var(--text-soft); }
.info-card ul { margin: 0; padding-left: 18px; }
.progress-bar {
    height: 10px;
    background: #e2e8f0;
    border-radius: 999px;
    overflow: hidden;
}
.progress-bar > span {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--gold), #f0d7a0);
}
.preview-blur {
    position: relative;
    overflow: hidden;
}
.preview-blur::after {
    content: "Vista completa protegida";
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.78);
    backdrop-filter: blur(4px);
    color: #0f172a;
    font-weight: 800;
    display: grid;
    place-items: center;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.auth-card {
    max-width: 560px;
    margin: 0 auto;
    background: white;
    border-radius: 24px;
    padding: 34px;
    box-shadow: var(--shadow);
}
.auth-card__demo {
    margin-top: 20px;
    padding: 18px;
    border-radius: 18px;
    background: #fffdf7;
    border: 1px solid #f0e0ba;
}
.auth-card__demo code {
    display: inline-block;
    margin-top: 6px;
    padding: 4px 8px;
    border-radius: 8px;
    background: white;
    border: 1px solid var(--line);
}

.admin-shell { grid-template-columns: 320px 1fr; align-items: start; }
.admin-sidebar,
.admin-main {
    background: white;
    border-radius: 24px;
    box-shadow: var(--shadow);
    padding: 24px;
}
.admin-kpis { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-bottom: 24px; }
.kpi-card {
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 18px;
    background: var(--card-soft);
}
.kpi-card strong { display: block; font-size: 1.6rem; margin-bottom: 4px; }
.project-list {
    display: grid;
    gap: 12px;
    max-height: 620px;
    overflow: auto;
    padding-right: 6px;
}
.project-list__item {
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 14px;
}
.project-list__item.is-active {
    border-color: var(--gold);
    background: #fffdf7;
}
.project-list__item h4 { margin: 0 0 6px; font-size: 1rem; }
.project-list__item p { margin: 0; color: var(--text-soft); font-size: 0.92rem; }
.project-list__item a { color: var(--text); }
.admin-form__actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 18px;
}
.helper-box {
    padding: 16px 18px;
    border-radius: 16px;
    background: #f8fafc;
    border: 1px dashed #cbd5e1;
    color: var(--text-soft);
}

.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15,23,42,0.65);
    z-index: 90;
    padding: 20px;
    align-items: center;
    justify-content: center;
}
.modal.is-visible { display: flex; }
.modal__dialog {
    background: white;
    border-radius: 24px;
    width: min(680px, 100%);
    padding: 28px;
    box-shadow: var(--shadow);
}
.modal__head {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    margin-bottom: 14px;
}
.modal__head h3 { margin: 0; }
.modal__close {
    border: none;
    background: transparent;
    font-size: 1.8rem;
    cursor: pointer;
}
.modal__body p { color: var(--text-soft); }
.site-footer {
    margin-top: 60px;
    background: #0f172a;
    color: rgba(255,255,255,0.8);
}
.site-footer__grid {
    max-width: var(--max);
    margin: 0 auto;
    padding: 38px 20px 24px;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 24px;
}
.site-footer__grid h3,
.site-footer__grid h4 { color: white; margin-top: 0; }
.site-footer__grid a { display: block; margin-bottom: 10px; color: rgba(255,255,255,0.8); }
.site-footer__grid a:hover { color: var(--gold); }
.site-footer__bottom {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 20px 26px;
    color: rgba(255,255,255,0.55);
    font-size: 0.92rem;
}

.legal-shell .section-card { padding: 36px; }
.legal-shell h2 { margin-top: 26px; }
.legal-shell p, .legal-shell li { color: var(--text-soft); }

@media (max-width: 1100px) {
    .metrics-grid, .vertical-grid, .card-grid, .admin-kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .hero-grid, .preview-grid, .details-grid, .admin-shell { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .page-shell { padding-left: 16px; padding-right: 16px; }
    .hero-panel { padding: 28px; }
    .section-card { padding: 22px; }
    .metrics-grid, .vertical-grid, .card-grid, .filter-bar, .form-grid, .form-grid--3, .admin-kpis, .site-footer__grid {
        grid-template-columns: 1fr;
    }
    .site-nav {
        display: none;
        position: absolute;
        right: 16px;
        top: calc(100% + 10px);
        flex-direction: column;
        align-items: stretch;
        min-width: 240px;
        padding: 16px;
        border-radius: 20px;
        background: #0f172a;
        border: 1px solid rgba(255,255,255,0.08);
        box-shadow: var(--shadow);
    }
    .site-nav.is-open { display: flex; }
    .mobile-nav-toggle { display: inline-flex; }
    .hero-panel h1, .hero-panel h2 { font-size: 2.2rem; }
    .preview-hero__cover, .detail-hero__cover { height: 220px; }
}