/* HeadWell marketing & support site
 * Brand tokens lifted from HeadWell/Utilities/Theme.swift
 */

:root {
    --brand-primary: #2C7A7B;            /* deep teal — matches Orb calm */
    --brand-secondary: #6B46C1;          /* deep purple — matches Orb recovery */
    --brand-accent: #D4B85C;             /* warm gold — matches tension state */
    --risk-high: #C46B6B;
    --bg-primary: #F7FAFC;
    --bg-card: #FFFFFF;
    --bg-dark: #1A202C;
    --text-primary: #1A202C;
    --text-secondary: #4A5568;
    --text-tertiary: #718096;
    --text-on-dark: #FFFFFF;
    --border: #E2E8F0;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 24px;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    --max-width: 980px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, sans-serif;
    font-size: 17px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;
    line-height: 1.2;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    font-weight: 700;
}

h1 { font-size: 56px; margin: 0 0 16px; }
h2 { font-size: 36px; margin: 48px 0 16px; }
h3 { font-size: 22px; margin: 32px 0 12px; }
p { margin: 0 0 16px; }

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

/* Layout */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.nav {
    padding: 24px 0;
    border-bottom: 1px solid var(--border);
    background: var(--bg-primary);
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: saturate(180%) blur(8px);
    -webkit-backdrop-filter: saturate(180%) blur(8px);
    background: rgba(247, 250, 252, 0.85);
}

.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    font-weight: 700;
    font-size: 22px;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.brand-mark {
    display: inline-block;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
    vertical-align: middle;
    margin-right: 10px;
}

.nav-links a {
    color: var(--text-secondary);
    margin-left: 24px;
    font-size: 15px;
    font-weight: 500;
}

.nav-links a:hover { color: var(--brand-primary); text-decoration: none; }

/* Hero (landing page) */
.hero {
    text-align: center;
    padding: 96px 24px 64px;
    background:
        radial-gradient(circle at 20% 20%, rgba(44, 122, 123, 0.15), transparent 50%),
        radial-gradient(circle at 80% 60%, rgba(107, 70, 193, 0.12), transparent 50%),
        var(--bg-primary);
}

.hero h1 {
    font-size: 64px;
    max-width: 760px;
    margin: 0 auto 20px;
}

.hero .lede {
    font-size: 21px;
    color: var(--text-secondary);
    max-width: 620px;
    margin: 0 auto 32px;
}

.app-badge {
    display: inline-block;
    padding: 14px 28px;
    background: var(--bg-dark);
    color: var(--text-on-dark);
    border-radius: 12px;
    font-weight: 600;
    font-size: 16px;
    margin-top: 8px;
}

.app-badge:hover { text-decoration: none; opacity: 0.9; }

.app-badge-note {
    display: block;
    color: var(--text-tertiary);
    font-size: 13px;
    margin-top: 12px;
}

/* Feature strip */
.features {
    padding: 64px 0;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    padding: 28px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.feature-card h3 {
    margin-top: 0;
    color: var(--brand-primary);
    font-size: 20px;
}

.feature-card p {
    color: var(--text-secondary);
    margin-bottom: 0;
    font-size: 16px;
}

/* Disclaimer */
.disclaimer {
    margin: 48px auto;
    padding: 20px 24px;
    background: rgba(196, 107, 107, 0.06);
    border-left: 4px solid var(--risk-high);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-secondary);
    max-width: var(--max-width);
}

/* Long-form content (privacy, terms) */
.content {
    padding: 48px 0 96px;
    max-width: 760px;
    margin: 0 auto;
}

.content h1 { font-size: 40px; margin-top: 24px; }
.content h2 { font-size: 26px; margin-top: 48px; padding-top: 8px; border-top: 1px solid var(--border); }
.content h3 { font-size: 19px; margin-top: 28px; }
.content p, .content li { color: var(--text-secondary); }
.content ul, .content ol { padding-left: 24px; margin-bottom: 16px; }
.content li { margin-bottom: 8px; }
.content blockquote {
    margin: 20px 0;
    padding: 14px 20px;
    border-left: 3px solid var(--brand-accent);
    background: rgba(212, 184, 92, 0.08);
    border-radius: 4px;
    color: var(--text-secondary);
    font-size: 15px;
}

.content table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
    font-size: 15px;
}

.content th, .content td {
    text-align: left;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
}

.content th { background: var(--bg-primary); font-weight: 600; color: var(--text-primary); }

.content hr {
    border: 0;
    border-top: 1px solid var(--border);
    margin: 32px 0;
}

.content code {
    background: var(--bg-primary);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 14px;
    font-family: "SF Mono", Menlo, monospace;
}

/* Support */
.support-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin: 32px 0;
}

.support-actions a {
    flex: 1 1 220px;
    text-align: center;
    padding: 20px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-weight: 600;
    transition: all 0.15s ease;
}

.support-actions a:hover {
    border-color: var(--brand-primary);
    color: var(--brand-primary);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* Footer */
.footer {
    padding: 40px 24px;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-tertiary);
    font-size: 14px;
}

.footer a { color: var(--text-tertiary); margin: 0 12px; }
.footer a:hover { color: var(--brand-primary); }

/* Responsive */
@media (max-width: 640px) {
    h1 { font-size: 40px; }
    .hero { padding: 56px 20px 40px; }
    .hero h1 { font-size: 40px; }
    .hero .lede { font-size: 18px; }
    .nav-links a { margin-left: 14px; font-size: 14px; }
    .content { padding: 32px 0 64px; }
    .content h1 { font-size: 30px; }
    .content h2 { font-size: 22px; }
}