:root {
    --page-top: #e8eff9;
    --page-bottom: #ffffff;
    --card: rgba(255, 255, 255, 0.98);
    --card-soft: #f4f8ff;
    --line: #d7e2f1;
    --line-strong: #bfd4ff;
    --ink: #0f172a;
    --ink-soft: #475569;
    --blue: #1d4ed8;
    --blue-soft: #2563eb;
    --rose: #a21caf;
    --shadow: 0 18px 40px rgba(15, 23, 42, 0.1);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
}

body {
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    color: var(--ink);
    background:
        radial-gradient(circle at top right, rgba(219, 39, 119, 0.1), transparent 20rem),
        linear-gradient(180deg, var(--page-top), var(--page-bottom));
}

a {
    color: inherit;
}

.page-shell {
    width: min(1120px, calc(100% - 1rem));
    margin: 0 auto;
    padding: 1rem 0 2rem;
    display: grid;
    gap: 1rem;
}

.hero,
.section {
    border: 1px solid var(--line);
    border-radius: 28px;
    background: var(--card);
    box-shadow: var(--shadow);
}

.hero {
    padding: 1.2rem;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(244, 248, 255, 0.96));
}

.kicker {
    margin: 0 0 0.4rem;
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    font-weight: 800;
    color: var(--rose);
}

.hero h1 {
    margin: 0;
    font-size: clamp(2rem, 5vw, 3.4rem);
    line-height: 0.98;
    color: #0f4fa0;
    max-width: 14ch;
}

.subtitle {
    margin: 0.8rem 0 0;
    max-width: 74ch;
    color: #334155;
    line-height: 1.72;
    font-size: 1.02rem;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: 1rem;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.9rem;
    padding: 0.7rem 1rem;
    border-radius: 999px;
    border: 1px solid var(--line-strong);
    background: #ffffff;
    color: #17386d;
    text-decoration: none;
    font-weight: 700;
}

.button--primary {
    background: linear-gradient(90deg, var(--blue), var(--blue-soft));
    color: #ffffff;
    box-shadow: 0 12px 24px rgba(37, 99, 235, 0.22);
}

.section {
    padding: 1.05rem;
}

.section--soft {
    background: linear-gradient(180deg, rgba(244, 248, 255, 0.98), rgba(255, 255, 255, 0.98));
}

.section h2 {
    margin: 0 0 0.6rem;
    color: #17386d;
    font-size: 1.4rem;
}

.lead,
.section p,
.reading-list li,
.small-note {
    margin: 0;
    color: var(--ink-soft);
    line-height: 1.72;
}

.lead + .lead,
.section p + p,
.section p + .reading-list,
.reading-list + .small-note,
.tag-row + .small-note,
.card p + p {
    margin-top: 0.7rem;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.8rem;
}

.card {
    border-radius: 22px;
    border: 1px solid var(--line);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(244, 248, 255, 0.98));
    padding: 1rem;
}

.card h3 {
    margin: 0 0 0.5rem;
    color: #17386d;
    font-size: 1.02rem;
    line-height: 1.25;
}

.tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2rem;
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    background: rgba(20, 47, 96, 0.08);
    color: #17386d;
    font-size: 0.78rem;
    font-weight: 700;
}

.reading-list {
    margin: 0;
    padding-left: 1.2rem;
    display: grid;
    gap: 0.55rem;
}

.legacy-prose {
    display: grid;
    gap: 0.95rem;
}

.legacy-prose > :first-child {
    margin-top: 0;
}

.legacy-prose h2,
.legacy-prose h3,
.legacy-prose h4 {
    margin: 0;
    color: #17386d;
    line-height: 1.25;
}

.legacy-prose h2 {
    font-size: 1.35rem;
    margin-top: 0.25rem;
}

.legacy-prose h3 {
    font-size: 1.06rem;
}

.legacy-prose p,
.legacy-prose li,
.legacy-prose td {
    color: var(--ink-soft);
    line-height: 1.72;
}

.legacy-prose p,
.legacy-prose ul,
.legacy-prose ol,
.legacy-prose table,
.legacy-prose .highlight,
.legacy-prose .citas,
.legacy-prose .quote {
    margin: 0;
}

.legacy-prose ul,
.legacy-prose ol {
    padding-left: 1.2rem;
    display: grid;
    gap: 0.55rem;
}

.legacy-prose table {
    width: 100%;
    border-collapse: collapse;
    display: block;
    overflow-x: auto;
    border-radius: 18px;
    border: 1px solid var(--line);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

.legacy-prose th,
.legacy-prose td {
    border: 1px solid var(--line);
    padding: 0.72rem 0.78rem;
    text-align: left;
    vertical-align: top;
    background: #ffffff;
}

.legacy-prose th {
    background: linear-gradient(90deg, var(--blue), var(--blue-soft));
    color: #ffffff;
    font-weight: 700;
}

.legacy-prose em {
    font-style: italic;
}

.legacy-prose .highlight,
.legacy-prose .citas,
.legacy-prose .quote {
    padding: 0.9rem 1rem;
    border-radius: 18px;
    border: 1px solid var(--line-strong);
    background: linear-gradient(180deg, rgba(238, 244, 255, 0.96), rgba(255, 255, 255, 0.98));
}

.legacy-prose .emoji {
    font-size: 1rem;
}

.legacy-prose header,
.legacy-prose footer,
.legacy-prose section {
    margin: 0;
    padding: 0;
    background: none;
    color: inherit;
}

.legacy-prose .footer {
    padding: 0;
    background: none;
    color: var(--ink-soft);
    text-align: left;
    font-size: 1rem;
}

@media (max-width: 900px) {
    .card-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .page-shell {
        width: min(100%, calc(100% - 0.45rem));
        padding-top: 0.3rem;
    }

    .hero,
    .section {
        padding: 0.9rem;
    }

    .actions {
        display: grid;
        grid-template-columns: 1fr;
    }

    .button {
        width: 100%;
    }
}