/* ========================================
   Bern Foundation Design System v2
======================================== */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Space+Grotesk:wght@500;600;700&display=swap');

:root {
    --primary: #0f766e;
    --primary-dark: #0f5f58;
    --secondary: #14b8a6;
    --accent: #f59e0b;
    --text: #172126;
    --muted: #5f6f78;
    --white: #ffffff;
    --background: #f5fbfa;
    --card: #ffffff;
    --border: #d8e6e2;

    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Manrope', sans-serif;

    --radius-sm: 10px;
    --radius: 16px;
    --radius-lg: 26px;

    --shadow-sm: 0 4px 14px rgba(11, 40, 36, 0.08);
    --shadow: 0 14px 34px rgba(11, 40, 36, 0.12);
    --shadow-lg: 0 24px 70px rgba(11, 40, 36, 0.18);

    --container: 1240px;
    --section: 92px;
    --transition: 0.25s ease;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--background);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
}

img {
    max-width: 100%;
    height: auto;
}

a {
    color: var(--primary);
}

h1,
h2,
h3,
h4,
h5 {
    margin: 0 0 14px;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text);
    line-height: 1.15;
}

h1 {
    font-size: clamp(2.1rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
}

h3 {
    font-size: clamp(1.2rem, 2.2vw, 1.8rem);
}

p {
    margin: 0 0 16px;
}

section {
    padding: var(--section) 0;
}

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px;
}

.eyebrow {
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    font-size: 0.78rem;
    font-weight: 800;
    color: var(--primary);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    border: 0;
    border-radius: 999px;
    padding: 10px 24px;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition);
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 8px 18px rgba(15, 118, 110, 0.28);
}

.btn-primary:hover {
    background: var(--primary-dark);
    color: #fff;
}

.btn-outline {
    border: 2px solid rgba(15, 118, 110, 0.25);
    color: var(--primary);
    background: #fff;
}

.btn-outline:hover {
    border-color: var(--primary);
    background: rgba(15, 118, 110, 0.1);
}

.btn-donate {
    background: linear-gradient(135deg, #f59e0b, #ea7c19);
    color: #fff;
    box-shadow: 0 12px 22px rgba(245, 158, 11, 0.28);
}

.btn-donate:hover {
    color: #fff;
}

.card {
    background: var(--card);
    border-radius: 18px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0, 0, 0, 0.03);
    transition: transform var(--transition), box-shadow var(--transition);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow);
}

.content-main {
    max-width: 900px;
    margin: 36px auto;
    padding: 0 20px;
}

.content-article {
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    padding: clamp(22px, 4vw, 36px);
}

.content-meta {
    color: var(--muted);
    font-size: 0.92rem;
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    :root {
        --section: 72px;
    }

    .btn {
        width: 100%;
    }
}