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

body {
    font-family: Georgia, 'Times New Roman', serif;
    background: #fafaf8;
    color: #1a1a1a;
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

/* Skyline silhouettes */
.skyline-left, .skyline-right {
    position: fixed;
    top: 0;
    bottom: 0;
    width: 220px;
    pointer-events: none;
    z-index: 0;
    color: #1a1a1a;
}

.skyline-left { left: 0; }
.skyline-right { right: 0; }

.skyline-left svg, .skyline-right svg {
    width: 100%;
    height: 100%;
}

/* Main container */
.container {
    position: relative;
    z-index: 1;
    max-width: 680px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    padding: 32px 0 0;
}

.mark {
    font-family: -apple-system, 'Helvetica Neue', sans-serif;
    font-size: 11px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #999;
}

main {
    flex: 1;
    padding: 40px 0 24px;
}

/* Intro */
.intro {
    margin-bottom: 36px;
}

h1 {
    font-size: clamp(24px, 4vw, 34px);
    font-weight: 400;
    letter-spacing: -0.02em;
    line-height: 1.25;
    margin-bottom: 14px;
}

.intro p {
    font-size: 15px;
    line-height: 1.65;
    color: #444;
    max-width: 500px;
}

/* Two-column layout */
.columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 32px;
}

/* Sections */
h2 {
    font-family: -apple-system, 'Helvetica Neue', sans-serif;
    font-size: 11px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #999;
    margin-bottom: 8px;
}

.what p, .who p {
    font-size: 15px;
    line-height: 1.6;
    color: #444;
}

.topics {
    margin-bottom: 32px;
}

.topics ul {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.topics li {
    font-size: 14px;
    line-height: 1.5;
    color: #555;
    padding-left: 14px;
    border-left: 2px solid #ddd;
}

/* CTA */
.cta-section {
    text-align: center;
    padding-top: 12px;
    margin-bottom: 8px;
}

.btn {
    display: inline-block;
    font-family: -apple-system, 'Helvetica Neue', sans-serif;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.02em;
    padding: 9px 22px;
    border: 1px solid #1a1a1a;
    color: #1a1a1a;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
}

.btn:hover {
    background: #1a1a1a;
    color: #fafaf8;
}

.meta {
    display: block;
    margin-top: 10px;
    font-family: -apple-system, 'Helvetica Neue', sans-serif;
    font-size: 12px;
    color: #aaa;
}

/* Footer */
footer {
    padding: 28px 0;
    border-top: 1px solid #e8e8e5;
}

nav {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin-bottom: 12px;
}

nav a {
    font-family: -apple-system, 'Helvetica Neue', sans-serif;
    font-size: 13px;
    color: #888;
    text-decoration: none;
    transition: color 0.2s;
}

nav a:hover { color: #1a1a1a; }

small {
    font-family: -apple-system, 'Helvetica Neue', sans-serif;
    font-size: 11px;
    color: #bbb;
}

/* Mobile */
@media (max-width: 900px) {
    .skyline-left, .skyline-right { display: none; }
}

@media (max-width: 600px) {
    .columns { grid-template-columns: 1fr; gap: 20px; }
    .topics ul { grid-template-columns: 1fr; }
}