:root {
    --hph-primary: #0f766e;
    --hph-primary-dark: #115e59;
    --hph-secondary: #f59e0b;
    --hph-bg: #f8fafc;
    --hph-surface: #ffffff;
    --hph-text: #0f172a;
    --hph-muted: #64748b;
    --hph-border: #e2e8f0;
    --hph-shadow: 0 20px 45px rgba(15, 23, 42, 0.10);
    --hph-radius: 22px;
    --hph-container: 1180px;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--hph-text);
    background: var(--hph-bg);
    line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; }
.container { width: min(100% - 32px, var(--hph-container)); margin-inline: auto; }
.skip-link, .screen-reader-text { position: absolute; left: -9999px; }
.skip-link:focus { left: 16px; top: 16px; z-index: 9999; background: #fff; padding: 10px 14px; border-radius: 8px; }
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.90); backdrop-filter: blur(16px); border-bottom: 1px solid var(--hph-border); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 78px; }
.site-logo-text { font-weight: 900; font-size: 1.35rem; letter-spacing: -0.04em; }
.primary-navigation ul { list-style: none; display: flex; gap: 24px; padding: 0; margin: 0; }
.primary-navigation a { color: var(--hph-muted); font-weight: 700; font-size: .95rem; }
.primary-navigation a:hover { color: var(--hph-primary); }
.header-actions { display: flex; gap: 10px; align-items: center; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 10px 18px; border-radius: 999px; font-weight: 800; border: 1px solid transparent; transition: .2s ease; }
.btn-primary { background: var(--hph-primary); color: #fff; box-shadow: 0 10px 24px rgba(15,118,110,.25); }
.btn-primary:hover { background: var(--hph-primary-dark); transform: translateY(-1px); }
.btn-secondary { background: #fff; color: var(--hph-primary); border-color: rgba(15,118,110,.25); }
.btn-ghost { color: var(--hph-text); border-color: var(--hph-border); background: #fff; }
.btn-light { background: #fff; color: var(--hph-primary); }
.btn-large { min-height: 52px; padding-inline: 24px; }
.nav-toggle { display: none; border: 0; background: transparent; padding: 10px; }
.nav-toggle span:not(.screen-reader-text) { display: block; width: 24px; height: 2px; margin: 5px 0; background: var(--hph-text); }
.hero { padding: 88px 0 70px; background: radial-gradient(circle at top left, rgba(15,118,110,.18), transparent 34%), linear-gradient(135deg, #ecfeff 0%, #f8fafc 58%, #fff7ed 100%); }
.hero-grid { display: grid; grid-template-columns: 1.12fr .88fr; align-items: center; gap: 58px; }
.eyebrow { display: inline-flex; color: var(--hph-primary); background: rgba(15,118,110,.10); border: 1px solid rgba(15,118,110,.18); border-radius: 999px; padding: 6px 12px; font-weight: 900; font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
h1, h2, h3 { line-height: 1.1; letter-spacing: -0.04em; margin: 0 0 16px; }
h1 { font-size: clamp(2.6rem, 6vw, 5.4rem); max-width: 850px; }
h2 { font-size: clamp(2rem, 3.5vw, 3.4rem); }
p { color: var(--hph-muted); margin: 0 0 20px; }
.hero-content p { font-size: 1.18rem; max-width: 690px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin: 30px 0; }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; max-width: 600px; }
.hero-stats div { background: rgba(255,255,255,.72); border: 1px solid var(--hph-border); border-radius: 18px; padding: 16px; }
.hero-stats strong { display: block; font-size: 1.6rem; }
.hero-stats span { color: var(--hph-muted); font-size: .86rem; font-weight: 700; }
.hero-panel { background: rgba(255,255,255,.82); border: 1px solid var(--hph-border); border-radius: 30px; padding: 24px; box-shadow: var(--hph-shadow); }
.search-box { height: 54px; border-radius: 999px; background: #f1f5f9; border: 1px solid var(--hph-border); display: flex; align-items: center; padding: 0 20px; color: var(--hph-muted); margin-bottom: 18px; }
.profile-preview-card, .mock-card { background: #fff; border: 1px solid var(--hph-border); border-radius: 22px; padding: 18px; box-shadow: 0 12px 24px rgba(15,23,42,.06); }
.profile-preview-card { display: flex; gap: 14px; align-items: center; margin-top: 14px; }
.profile-preview-card span { display: block; color: var(--hph-muted); font-size: .9rem; }
.avatar { width: 72px; height: 72px; border-radius: 50%; background: linear-gradient(135deg, var(--hph-primary), var(--hph-secondary)); }
.avatar.small { width: 46px; height: 46px; flex: 0 0 46px; }
.section { padding: 78px 0; }
.section-muted { background: #eef7f6; }
.section-heading { max-width: 850px; text-align: center; margin-bottom: 34px; }
.section-heading .eyebrow { margin-bottom: 14px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-card { background: var(--hph-surface); border: 1px solid var(--hph-border); border-radius: var(--hph-radius); padding: 26px; box-shadow: 0 12px 24px rgba(15,23,42,.04); }
.feature-card h3 { font-size: 1.3rem; }
.feature-icon { width: 44px; height: 44px; border-radius: 14px; background: rgba(15,118,110,.12); margin-bottom: 18px; position: relative; }
.feature-icon::after { content: ""; width: 18px; height: 18px; border-radius: 50%; background: var(--hph-primary); position: absolute; left: 13px; top: 13px; }
.split-section { display: grid; grid-template-columns: 1fr .72fr; gap: 44px; align-items: center; }
.mock-card { padding: 30px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 22px; }
.tag-row span { background: #ecfeff; color: var(--hph-primary-dark); border: 1px solid rgba(15,118,110,.18); border-radius: 999px; padding: 6px 10px; font-weight: 800; font-size: .82rem; }
.page-header { padding: 60px 0; background: linear-gradient(135deg, #ecfeff, #fff); border-bottom: 1px solid var(--hph-border); }
.content-layout { background: #fff; border: 1px solid var(--hph-border); border-radius: var(--hph-radius); padding: 34px; }
.content-layout.narrow { max-width: 860px; }
.content-card + .content-card { margin-top: 28px; border-top: 1px solid var(--hph-border); padding-top: 28px; }
.entry-content a { color: var(--hph-primary); text-decoration: underline; }
.site-footer { background: #0f172a; color: #fff; padding: 58px 0 24px; }
.site-footer p, .site-footer a { color: #cbd5e1; }
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr .8fr; gap: 30px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 8px; }
.footer-bottom { margin-top: 34px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); }
.text-center { text-align: center; }
@media (max-width: 920px) {
    .hero-grid, .split-section, .feature-grid, .footer-grid { grid-template-columns: 1fr; }
    .primary-navigation, .header-actions { display: none; }
    .nav-toggle { display: block; }
    .site-header.nav-open .primary-navigation, .site-header.nav-open .header-actions { display: flex; position: absolute; left: 16px; right: 16px; top: 78px; background: #fff; border: 1px solid var(--hph-border); box-shadow: var(--hph-shadow); border-radius: 18px; padding: 18px; }
    .site-header.nav-open .primary-navigation { flex-direction: column; }
    .site-header.nav-open .primary-navigation ul { flex-direction: column; gap: 12px; }
    .site-header.nav-open .header-actions { top: auto; margin-top: 250px; justify-content: flex-start; }
    .hero { padding-top: 56px; }
    .hero-stats { grid-template-columns: 1fr; }
}