/* Quartal ShortLink — Minimalist Fullscreen Editorial Design */
:root {
    --bg-page: #f8fafc;
    --surface: #ffffff;
    --surface-hover: #f1f5f9;
    --border: #e2e8f0;
    --border-hover: #cbd5e1;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --accent: #0f172a;
    --accent-hover: #1e293b;
}

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

html, body {
    height: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: radial-gradient(ellipse at 50% 30%, #ffffff 0%, #f8fafc 70%, #f1f5f9 100%);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    position: relative;
}

/* Subtle background grid */
body::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(15, 23, 42, 0.04) 1px, transparent 1px);
    background-size: 28px 28px;
    pointer-events: none;
    z-index: 0;
}

.layout {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 100vh;
    padding: 32px 24px;
}

/* Top Header */
.top-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.brand-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--text-primary);
    text-decoration: none;
}

.brand-tag {
    background: #ffffff;
    border: 1px solid var(--border);
    padding: 3px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 700;
    color: var(--text-primary);
    box-shadow: 0 1px 2px rgba(0,0,0,0.03);
}

/* Hero Center */
.hero-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px 20px;
    max-width: 960px;
    margin: 0 auto;
    width: 100%;
    flex: 1;
}

.hero-main-title {
    font-size: clamp(44px, 8vw, 88px);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.05;
    color: var(--text-primary);
    margin-bottom: 20px;
    text-wrap: balance;
}

.hero-subtitle {
    font-size: clamp(15px, 2vw, 18px);
    color: var(--text-secondary);
    max-width: 540px;
    line-height: 1.6;
    margin-bottom: 40px;
    font-weight: 400;
}

/* Ecosystem Links Grid / Pills */
.links-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    max-width: 780px;
}

.eco-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 11px 20px;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 1px 3px rgba(0,0,0,0.03);
}

.eco-link:hover {
    background: #ffffff;
    border-color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(15, 23, 42, 0.08);
}

.eco-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    flex-shrink: 0;
}

/* Footer */
.footer {
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    padding-top: 24px;
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
}

@media (max-width: 640px) {
    .layout {
        padding: 20px 16px;
    }
    .hero-center {
        padding: 30px 10px;
    }
    .links-container {
        gap: 8px;
    }
    .eco-link {
        padding: 9px 15px;
        font-size: 12px;
        border-radius: 10px;
    }
}