:root {
    --bg-mint: #d3f6ed;
    --bg-mint-soft: #e7fbf5;
    --card-bg: #ffffff;
    --text-main: #1f1c2d;
    --text-muted: #5e5975;
    --accent: #ff8ba7;
    --shadow-soft: 0 24px 48px rgba(31, 28, 45, 0.16);
    --radius-xl: 28px;
    --font-sans: "Poppins", "Inter", "Nunito", system-ui, -apple-system, BlinkMacSystemFont,
        "Segoe UI", sans-serif;
}

/* Reset */

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

html,
body {
    margin: 0;
    padding: 0;
}

/* Page */

body {
    min-height: 100vh;
    font-family: var(--font-sans);
    background: radial-gradient(circle at top, var(--bg-mint-soft), var(--bg-mint));
    color: var(--text-main);
    line-height: 1.7;
}

/* Layout wrapper */

.page {
    padding: 40px 0 64px;
}

.wrap {
    max-width: 1040px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */

.page-header {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    margin-bottom: 2.6rem;
}

.tag {
    font-size: 0.78rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: rgba(31, 28, 45, 0.6);
}

h1 {
    font-size: clamp(2.3rem, 4vw, 3rem);
    line-height: 1.15;
    margin: 0;
}

.lead {
    margin: 0;
    color: var(--text-muted);
    max-width: 640px;
}

/* Two-column layout */

.layout {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.3fr);
    gap: 2rem;
    align-items: flex-start;
}

/* Panels */

.panel {
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-soft);
}

.panel-image {
    padding: 1.2rem 1.2rem 1rem;
    background: var(--card-bg);
}

.panel-image img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 22px;
}

.caption {
    margin-top: 0.7rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Text panel */

.panel-text {
    padding: 1.8rem 1.7rem 1.6rem;
}

.panel-text h2 {
    margin-top: 0;
    margin-bottom: 0.75rem;
    font-size: 1.4rem;
}

.panel-text h3 {
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    font-size: 1.05rem;
}

.panel-text p {
    margin: 0 0 0.9rem;
    color: var(--text-muted);
}

.panel-text ul {
    margin: 0 0 0.5rem 1.2rem;
    padding: 0;
}

.panel-text li + li {
    margin-top: 0.25rem;
}

.metrics {
    margin-bottom: 0.8rem;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.8rem;
    margin-bottom: 1rem;
}

.stat-card {
    border-radius: 20px;
    padding: 1rem;
    background: var(--bg-mint-soft);
    text-align: center;
}

.stat-label {
    margin: 0;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.stat-value {
    margin: 0.2rem 0;
    font-size: 1.65rem;
    font-weight: 600;
}

.callout {
    margin: 1rem 0;
    padding: 1rem;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 12px 24px rgba(31, 28, 45, 0.08);
}

.callout p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-main);
}

code {
    font-family: "Fira Code", "SFMono-Regular", Menlo, Consolas, monospace;
    font-size: 0.85rem;
    background: rgba(31, 28, 45, 0.08);
    padding: 0.2rem 0.35rem;
    border-radius: 6px;
}

/* Back link */

.back-link {
    display: inline-flex;
    align-items: center;
    margin-top: 1.2rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent);
    text-decoration: none;
}

.back-link:hover {
    text-decoration: underline;
}

/* Responsive */

@media (max-width: 768px) {
    .page {
        padding-top: 28px;
    }

    .layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .panel-image,
    .panel-text {
        border-radius: 24px;
    }
}