/* Calda — caldalife.com */

:root {
    --primary: #C4856A;
    --primary-dark: #D4967E;
    --secondary: #8B9E7C;
    --accent: #D4A574;
    --bg: #FBF7F4;
    --bg-dark: #1C1917;
    --surface: #FFFFFF;
    --surface-dark: #292524;
    --text: #3D2E2A;
    --text-dark: #F5EDE8;
    --text-secondary: #7A6B65;
    --text-secondary-dark: #A8998F;
    --border: #E8DDD6;
    --border-dark: #3D3532;
    --error: #C45B4A;
    --radius: 12px;
    --max-width: 720px;
    --max-width-wide: 960px;
}

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

html {
    font-size: 18px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Rounded', 'SF Pro Text', system-ui, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

@media (prefers-color-scheme: dark) {
    body {
        background-color: var(--bg-dark);
        color: var(--text-dark);
    }
    .card { background-color: var(--surface-dark); border-color: var(--border-dark); }
    .nav { background-color: var(--bg-dark); border-color: var(--border-dark); }
    .footer { background-color: var(--surface-dark); border-color: var(--border-dark); }
    .legal-content h2, .legal-content h3 { color: var(--text-dark); }
    .text-secondary { color: var(--text-secondary-dark); }
    a { color: var(--primary-dark); }
}

/* Typography */
h1 { font-size: 2.2rem; font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }
h2 { font-size: 1.5rem; font-weight: 600; line-height: 1.3; margin-top: 2rem; margin-bottom: 0.75rem; }
h3 { font-size: 1.15rem; font-weight: 600; line-height: 1.4; margin-top: 1.5rem; margin-bottom: 0.5rem; }
p { margin-bottom: 1rem; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.text-secondary { color: var(--text-secondary); }
.text-accent { color: var(--accent); }
.text-center { text-align: center; }

/* Layout */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 1.25rem; }
.container-wide { max-width: var(--max-width-wide); margin: 0 auto; padding: 0 1.25rem; }

/* Navigation */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 0;
}
.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--max-width-wide);
    margin: 0 auto;
    padding: 0 1.25rem;
}
.nav-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
}
@media (prefers-color-scheme: dark) {
    .nav-brand { color: var(--text-dark); }
}
.nav-links { display: flex; gap: 1.5rem; align-items: center; }
.nav-links a { font-size: 0.9rem; color: var(--text-secondary); }
.nav-links a:hover { color: var(--primary); text-decoration: none; }

/* Hero */
.hero {
    text-align: center;
    padding: 4rem 0 3rem;
}
.hero-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}
.hero h1 { margin-bottom: 0.5rem; }
.hero .tagline {
    font-size: 1.1rem;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 2rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 2rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: opacity 0.15s, transform 0.1s;
    cursor: pointer;
    border: none;
}
.btn:hover { opacity: 0.9; text-decoration: none; transform: translateY(-1px); }
.btn-primary { background-color: var(--primary); color: white; }
.btn-secondary { background-color: transparent; color: var(--primary); border: 2px solid var(--primary); }

/* Cards */
.card {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
}

/* Features Grid */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
    padding: 2rem 0;
}
.feature-card {
    text-align: center;
    padding: 2rem 1.5rem;
}
.feature-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}
.feature-card h3 { margin-top: 0; margin-bottom: 0.5rem; }
.feature-card p { font-size: 0.95rem; color: var(--text-secondary); margin-bottom: 0; }

/* Privacy Promise */
.privacy-banner {
    text-align: center;
    padding: 2.5rem 1.5rem;
    margin: 2rem 0;
    border: 2px solid var(--secondary);
    border-radius: var(--radius);
}
.privacy-banner h2 { margin-top: 0; color: var(--secondary); }

/* CTA */
.cta {
    text-align: center;
    padding: 3rem 0;
}
.cta h2 { margin-top: 0; }

/* Footer */
.footer {
    background-color: var(--surface);
    border-top: 1px solid var(--border);
    padding: 2rem 0;
    margin-top: 3rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { color: var(--text-secondary); }

/* Legal Pages */
.legal-content {
    padding: 2rem 0 3rem;
}
.legal-content h1 { margin-bottom: 0.5rem; }
.legal-content .last-updated {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}
.legal-content ul, .legal-content ol {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}
.legal-content li { margin-bottom: 0.4rem; }

/* Support Page */
.faq-item {
    margin-bottom: 1.5rem;
}
.faq-item h3 { margin-top: 0; color: var(--primary); }

/* App Store Badge */
.app-store-badge { height: 48px; }

/* Responsive */
@media (max-width: 640px) {
    html { font-size: 16px; }
    h1 { font-size: 1.8rem; }
    .hero { padding: 2.5rem 0 2rem; }
    .nav-links { gap: 1rem; }
    .footer-inner { flex-direction: column; text-align: center; }
}