/* QuizLens Website - Shared Styles */
:root {
    --primary: #2D6CDF;
    --primary-light: #4A85F0;
    --primary-dark: #1A4FAA;
    --bg: #F5F7FA;
    --title: #1A1A1A;
    --body: #333333;
    --secondary: #999999;
    --white: #FFFFFF;
    --border: #E5E8ED;
    --orange: #FF9500;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
    color: var(--body);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
nav {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}
nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}
.nav-brand {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}
.nav-links { display: flex; gap: 24px; align-items: center; }
.nav-links a {
    font-size: 14px;
    color: var(--body);
    transition: color .2s;
}
.nav-links a:hover { color: var(--primary); text-decoration: none; }
.lang-switch {
    font-size: 13px;
    padding: 4px 12px;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--secondary);
}
.lang-switch:hover { border-color: var(--primary); color: var(--primary); }

/* Hero */
.hero {
    text-align: center;
    padding: 80px 24px 60px;
    background: linear-gradient(180deg, var(--white) 0%, var(--bg) 100%);
}
.hero-icon {
    width: 96px;
    height: 96px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    box-shadow: 0 8px 24px rgba(45,108,223,0.2);
}
.hero-icon svg { width: 48px; height: 48px; fill: var(--white); }
.hero h1 {
    font-size: 36px;
    font-weight: 700;
    color: var(--title);
    margin-bottom: 8px;
}
.hero .subtitle {
    font-size: 18px;
    color: var(--secondary);
    margin-bottom: 32px;
}
.hero .cta {
    display: inline-block;
    padding: 14px 36px;
    background: var(--primary);
    color: var(--white);
    font-size: 16px;
    font-weight: 600;
    border-radius: 12px;
    transition: background .2s, transform .1s;
}
.hero .cta:hover { background: var(--primary-dark); text-decoration: none; transform: translateY(-1px); }

/* Features */
.features {
    padding: 60px 0;
}
.features h2 {
    text-align: center;
    font-size: 28px;
    font-weight: 700;
    color: var(--title);
    margin-bottom: 40px;
}
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.feature-card {
    background: var(--white);
    border-radius: 12px;
    padding: 32px 24px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    transition: transform .2s, box-shadow .2s;
}
.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}
.feature-card .icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 28px;
}
.feature-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--title);
    margin-bottom: 8px;
}
.feature-card p {
    font-size: 14px;
    color: var(--secondary);
    line-height: 1.5;
}
.icon-blue { background: rgba(45,108,223,0.1); }
.icon-orange { background: rgba(255,149,0,0.1); }
.icon-green { background: rgba(52,199,89,0.1); }
.icon-purple { background: rgba(175,82,222,0.1); }
.icon-red { background: rgba(255,59,48,0.1); }
.icon-teal { background: rgba(90,200,250,0.1); }

/* Premium */
.premium {
    padding: 60px 0;
}
.premium-card {
    background: linear-gradient(135deg, var(--primary) 0%, #1A4FAA 100%);
    border-radius: 16px;
    padding: 48px;
    text-align: center;
    color: var(--white);
}
.premium-card h2 { font-size: 28px; margin-bottom: 16px; }
.premium-card p { font-size: 16px; opacity: 0.85; margin-bottom: 24px; }
.premium-features {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 32px;
}
.premium-tag {
    background: rgba(255,255,255,0.15);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
}
.premium-cta {
    display: inline-block;
    padding: 14px 40px;
    background: var(--white);
    color: var(--primary);
    font-size: 16px;
    font-weight: 600;
    border-radius: 12px;
    transition: transform .1s;
}
.premium-cta:hover { text-decoration: none; transform: translateY(-1px); }

/* Footer */
footer {
    background: var(--white);
    border-top: 1px solid var(--border);
    padding: 32px 0;
    text-align: center;
}
footer .links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 16px;
}
footer .links a { font-size: 14px; color: var(--secondary); }
footer .links a:hover { color: var(--primary); }
footer .copyright {
    font-size: 13px;
    color: var(--secondary);
}

/* Legal pages */
.legal {
    padding: 48px 0 80px;
}
.legal-card {
    background: var(--white);
    border-radius: 12px;
    padding: 48px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.legal-card h1 {
    font-size: 28px;
    font-weight: 700;
    color: var(--title);
    margin-bottom: 8px;
}
.legal-card .updated {
    font-size: 14px;
    color: var(--secondary);
    margin-bottom: 32px;
}
.legal-card h2 {
    font-size: 18px;
    font-weight: 600;
    color: var(--title);
    margin-top: 32px;
    margin-bottom: 12px;
}
.legal-card p, .legal-card ul {
    font-size: 15px;
    color: var(--body);
    line-height: 1.7;
    margin-bottom: 12px;
}
.legal-card ul { padding-left: 24px; }
.legal-card li { margin-bottom: 6px; }
.legal-card a { color: var(--primary); }

/* Responsive */
@media (max-width: 768px) {
    .feature-grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: 28px; }
    .hero .subtitle { font-size: 16px; }
    .premium-card { padding: 32px 24px; }
    .legal-card { padding: 32px 24px; }
    .nav-links { gap: 16px; }
}