*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg: #0e0e0e;
    --bg-card: #161616;
    --bg-card2: #1c1c1c;
    --accent: #e8c87a;
    --accent-green: #5ecfb0;
    --accent-red: #e07070;
    --text: #e8e4dc;
    --text-muted: #888880;
    --text-dim: #555550;
    --border: rgba(255,255,255,0.08);
    --border-hover: rgba(255,255,255,0.16);
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'DM Sans', sans-serif;
    --font-mono: 'DM Mono', monospace;

    --color-text-success: #5ecfb0;
    --color-text-warning: #e8c87a;
    --color-text-danger: #e07070;
    --color-background-success: rgba(94,207,176,0.07);
    --color-background-warning: rgba(232,200,122,0.07);
    --color-background-danger: rgba(224,112,112,0.15);
    --color-border-success: rgba(94,207,176,0.3);
    --color-border-warning: rgba(232,200,122,0.3);
    --color-border-danger: rgba(224,112,112,0.3);

    --color-text-primary: #e8e4dc;
    --color-text-secondary: #888880;
    --color-text-tertiary: #555550;
    --color-text-info: steelblue;
    --color-text-info-light: #87CEEB;

    --color-border-success-broad: #5ecfb0;
    --color-border-secondary: rgba(255,255,255,0.7);;
    --color-border-tertiary: rgba(255,255,255,0.3);
    --border-radius-lg: 1rem;
    --border-radius-md: 1rem;
}

html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}

/* ── Header ── */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(14,14,14,0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 0 2rem;
}
.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}
.site-name {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.01em;
    text-decoration: none;
}
.header-links { display: flex; gap: 1.5rem; }
.header-links a {
    font-size: 13px;
    color: var(--text-muted);
    text-decoration: none;
    letter-spacing: 0.03em;
    transition: color 0.2s;
}
.header-links a:hover { color: var(--text); }

/* ── Hero ── */
.hero {
    max-width: 1200px;
    margin: 0 auto;
    padding: 5rem 2rem 3rem;
    animation: fadeUp 0.7s ease both;
}
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

.hero-tags {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1.75rem;
    animation: fadeUp 0.7s 0.1s ease both;
}
.tag {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 4px 11px;
    border-radius: 2px;
    border: 1px solid;
}
.tag-payments { color: var(--accent); border-color: rgba(232,200,122,0.3); background: rgba(232,200,122,0.07); }
.tag-arch     { color: var(--accent-green); border-color: rgba(94,207,176,0.3); background: rgba(94,207,176,0.07); }
.tag-sep { color: var(--text-dim); font-size: 12px; }
.tag-date { font-size: 12px; color: var(--text-dim); font-family: var(--font-mono); }

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 900;
    line-height: 1.12;
    color: var(--text);
    margin-bottom: 1.5rem;
    animation: fadeUp 0.7s 0.15s ease both;
}
.hero-title em {
    font-style: italic;
    color: var(--accent);
}

.hero-deck {
    font-size: 18px;
    line-height: 1.75;
    color: var(--text-muted);
    max-width: 1100px;
    margin-bottom: 2.5rem;
    border-left: 3px solid var(--accent);
    padding-left: 1.25rem;
    animation: fadeUp 0.7s 0.2s ease both;
}

.author-strip {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 1rem 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    animation: fadeUp 0.7s 0.25s ease both;
}
.avatar {
    width: 44px; height: 44px;
    border-radius: 50%;
    background: rgba(232,200,122,0.12);
    border: 1px solid rgba(232,200,122,0.3);
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-display);
    font-size: 15px; font-weight: 700;
    color: var(--accent);
    flex-shrink: 0;
}
.author-name { font-size: 14px; font-weight: 500; color: var(--text); margin-bottom: 1px; }
.author-role { font-size: 12px; color: var(--text-muted); font-family: var(--font-mono); }
.read-time {
    margin-left: auto;
    font-size: 12px;
    color: var(--text-dim);
    font-family: var(--font-mono);
    white-space: nowrap;
}

/* ── Stats Bar ── */
.stats-bar {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
    animation: fadeUp 0.7s 0.3s ease both;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: hidden;
    margin: 2.5rem 0;
}
.stat-cell {
    background: var(--bg-card);
    padding: 1.25rem 1.5rem;
    text-align: center;
}
.stat-num {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 6px;
}
.stat-num.red   { color: var(--accent-red); }
.stat-num.green { color: var(--accent-green); }
.stat-num.amber { color: var(--accent); }
.stat-label { font-size: 12px; color: var(--text-muted); line-height: 1.4; }

/* ── Article Body ── */
.article {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem 1rem;
}

.prose { max-width: 1100px; }

.prose p {
    margin-bottom: 1.4rem;
    color: var(--text);
    font-size: 17px;
    line-height: 1.85;
}

.prose p em { font-style: italic; color: var(--text-muted); }

.section-heading {
    font-family: var(--font-display);
    font-size: 26px;
    font-weight: 700;
    color: var(--text);
    margin: 3rem 0 1rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.section-subheading {
    font-family: var(--font-display);
    font-size: 21px;
    font-weight: 500;
    color: var(--text-muted);
    margin: 1rem 0 1rem;

}

.pullquote {
    font-family: var(--font-display);
    font-size: 21px;
    font-style: italic;
    line-height: 1.6;
    color: var(--accent);
    padding: 1.5rem 0 1.5rem 1.5rem;
    border-left: 3px solid var(--accent);
    margin: 2.5rem 0;
    max-width: 960px;
}

/* ── Flow Steps ── */
.flow-block {
    border: 1px solid var(--border);
    border-radius: 6px;
    overflow: hidden;
    margin: 2rem 0;
    background: var(--bg-card);
}
.flow-header {
    padding: 0.75rem 1.25rem;
    background: var(--bg-card2);
    border-bottom: 1px solid var(--border);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-dim);
    font-family: var(--font-mono);
}
.flow-step {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
    transition: background 0.2s;
}
.flow-step:last-child { border-bottom: none; }
.flow-step:hover { background: rgba(255,255,255,0.02); }
.flow-step.bad { background: rgba(224,112,112,0.05); }
.flow-step.bad:hover { background: rgba(224,112,112,0.09); }
.step-badge {
    width: 26px; height: 26px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 12px;
    font-weight: 500;
    font-family: var(--font-mono);
    flex-shrink: 0;
    margin-top: 2px;
}
.step-badge.normal { background: rgba(255,255,255,0.06); color: var(--text-muted); }
.step-badge.bad    { background: rgba(224,112,112,0.15); color: var(--accent-red); }
.flow-title { font-size: 14px; font-weight: 500; color: var(--text); margin-bottom: 3px; font-family: var(--font-mono); }
.flow-desc  { font-size: 14px; color: var(--text-muted); line-height: 1.6; }
.flow-desc strong { color: var(--text); font-weight: 500; }
.bad-badge {
    display: inline-block;
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 2px 7px;
    border-radius: 2px;
    background: rgba(224,112,112,0.15);
    color: var(--accent-red);
    margin-left: 8px;
    font-family: var(--font-mono);
    vertical-align: middle;
}

/* ── Options Comparison ── */
.options-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin: 2rem 0;
}
.option-card {
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1.1rem 1.4rem;
    background: var(--bg-card);
    transition: border-color 0.2s;
}
.option-card:hover { border-color: var(--border-hover); }
.option-card.chosen {
    border-color: rgba(94,207,176,0.4);
    background: rgba(94,207,176,0.04);
}
.option-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}
.option-title { font-size: 15px; font-weight: 500; color: var(--text); }
.opt-badge {
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 2px 8px;
    border-radius: 2px;
    font-family: var(--font-mono);
}
.opt-skip   { background: rgba(255,255,255,0.06); color: var(--text-dim); }
.opt-chosen { background: rgba(94,207,176,0.15); color: var(--accent-green); }
.option-pros-cons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 10px;
}
.poc-block { font-size: 13px; line-height: 1.6; }
.poc-label {
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 4px;
    font-family: var(--font-mono);
}
.poc-label.pro  { color: var(--accent-green); }
.poc-label.con  { color: var(--accent-red); }
.poc-text { color: var(--text-muted); }

/* ── Result Banner ── */
.result-banner {
    background: rgba(94,207,176,0.06);
    border: 1px solid rgba(94,207,176,0.2);
    border-radius: 6px;
    padding: 1.5rem 1.75rem;
    margin: 2.5rem 0;
}
.result-banner .rb-label {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--accent-green);
    font-family: var(--font-mono);
    margin-bottom: 0.75rem;
}
.result-banner p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text);
    margin: 0;
}
.result-banner strong { font-weight: 500; color: var(--accent-green); }

/* ── Lesson Block ── */
.lesson-block {
    background: var(--bg-card);
    border-left: 3px solid var(--accent);
    padding: 1.25rem 1.5rem;
    margin: 2rem 0;
    border-radius: 0 4px 4px 0;
}
.lesson-block p { font-size: 16px; color: var(--text-muted); line-height: 1.8; margin: 0; }
.lesson-block strong { color: var(--text); font-weight: 500; }

/* ── Closing ── */
.closing-section {
    margin-top: 3.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}
.closing-section p {
    font-size: 16px;
    color: var(--text-muted);
    font-style: italic;
    line-height: 1.85;
    margin-bottom: 1.4rem;
}

/* ── Footer ── */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 2rem;
    text-align: center;
}
.footer-inner { max-width: 960px; margin: 0 auto; }
.footer-name {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 6px;
}
.footer-links { display: flex; justify-content: center; gap: 1.5rem; margin-top: 10px; }
.footer-links a {
    font-size: 12px;
    color: var(--text-dim);
    text-decoration: none;
    font-family: var(--font-mono);
    transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent); }
.footer-copy { font-size: 12px; color: var(--text-dim); margin-top: 1rem; font-family: var(--font-mono); }

/* ── Responsive ── */
@media (max-width: 860px) {
    .hero-title { font-size: 30px; }
    .stats-grid { grid-template-columns: 1fr; }
    .option-pros-cons { grid-template-columns: 1fr; }
    .header-links { display: none; }
}

.tag-resilience    { color: var(--accent-red); border-color: var(--color-border-danger); background: var(--color-background-danger); }

.toc {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: 1.2rem 1.5rem;
    margin-bottom: 2.5rem;
}

.toc .toc-head {
    font-size: 18px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-tertiary);
    margin-bottom: 0.8rem;
}

.toc ol {
    padding-left: 1.2rem;
}

.toc ol li {
    font-size: 16px;
    color: var(--color-text-info);
    padding: 3px 0;
    cursor: pointer;
    font-weight: 400;
}

.toc ol li a:hover {
    color: var(--color-text-info-light);
}

.toc ol li a {
    text-decoration: none;
    color: var(--color-text-info);
}

.section-accent {
    display: flex;
    align-items: baseline;
    gap: 0.8rem;
    margin-bottom: 0.5rem;
}

.section-num {
    font-size: 26px;
    font-weight: 500;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    flex-shrink: 0;
}

.divider {
    border: none;
    border-top: 0.5px solid var(--color-border-tertiary);
    margin: 2.5rem 0;
}

.callout {
    background: var(--bg-card);
    border: 0.5px solid var(--color-border-success-broad);
    border-radius: var(--border-radius-lg);
    padding: 1.2rem 1.5rem;
    margin: 1.5rem 0;
}

.callout .callout-head {
    font-size: 16px;
    font-weight: 500;
    color: var(--color-text-success);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.6rem;
}

.callout ul {
    list-style: none;
    padding: 0;
}

.callout ul li {
    font-size: 15px;
    color: var(--color-text-secondary);
    padding: 4px 0 4px 1.2rem;
    position: relative;
    line-height: 1.6;
    font-weight: 300;
}

.callout ul li::before {
    /* content: '→'; */
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-green);
}

.number-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin: 1.5rem 0;
}

.stat-box {
    border-radius: var(--border-radius-md);
    border: 0.5px solid var(--color-border-warning);
    background: var(--color-background-warning);
    padding: 1rem;
    text-align: center;
}

.stat-box .num {
    font-family: 'DM Sans', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-red);
    display: block;
}

.stat-box .label {
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-top: 2px;
}

.matrix {
    border: 0.5px solid var(--color-border-tertiary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    margin: 2rem 0;
}

.matrix-header {
    display: grid;
    text-align: center;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    background: var(--bg-card);
    border-bottom: 0.5px solid var(--color-border-tertiary);
}

.matrix-header div, .matrix-row div {
    padding: 10px 12px;
    font-size: 14px;
    border-right: 0.5px solid var(--color-border-tertiary);
}

.matrix-header div { font-size: 16px; font-weight: 500; color: var(--color-text-primary); }

.matrix-header div:last-child, .matrix-row div:last-child { border-right: none; }

.matrix-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    border-bottom: 0.5px solid var(--color-border-tertiary);
}

.matrix-row:last-child { border-bottom: none; }

.matrix-row div { color: var(--color-text-secondary); font-size: 14px; line-height: 1.5; }

.matrix-row .label { font-size: 16px; font-weight: 500; color: var(--color-text-primary); }

.badge {
    display: inline-block;
    font-size: 14px;
    font-weight: 500;
    padding: 2px 7px;
    border-radius: 4px;
    vertical-align: middle;
}

.badge-warn { border-color: var(--color-border-warning); background: var(--color-background-warning); color: var(--accent); }
.badge-danger { border-color: var(--color-border-danger); background: var(--color-background-danger); color: var(--accent-red); }
.badge-success { border-color: var(--color-border-success); background: var(--color-background-success); color: var(--accent-green); }

strong { font-weight: 500; color: var(--color-text-primary); }

.pillar-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin: 2rem 0;
}

.pillar-card {
    background: var(--bg-card2);
    border: 0.5px solid var(--color-border-tertiary);
    border-radius: var(--border-radius-lg);
    padding: 1.2rem;
}

.pillar-icon {
    font-size: 20px;
    margin-bottom: 0.2rem;
}

.pillar-card h4 {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-text-primary);
    margin-bottom: 0.4rem;
}

.pillar-card p {
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

.closing-banner {
    background: var(--bg-card);
    border: 0.5px solid var(--color-border-tertiary);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    margin-top: 2.5rem;
    text-align: center;
}

.closing-banner p {
    font-family: 'Playfair Display', serif;
    font-style: italic;
    font-size: 1.4rem;
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
}

.closing-banner cite {
    font-size: 15px;
    color: var(--color-text-secondary);
    font-style: normal;
    font-family: 'DM Sans', sans-serif;
}