:root {
    --brand-1: #2f6bff;
    --brand-2: #4aa8ff;
    --ink: #11203a;
    --muted: #5b6b85;
    --bg: #ffffff;
    --bg-soft: #f3f7ff;
    --card: #ffffff;
    --border: #e3ebf7;
    --radius: 16px;
    --shadow: 0 10px 30px rgba(20, 50, 110, 0.08);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

.container { max-width: 880px; margin: 0 auto; padding: 0 20px; }

a { color: var(--brand-1); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Nav */
.navbar { border-bottom: 1px solid var(--border); background: rgba(255,255,255,0.85); backdrop-filter: saturate(180%) blur(12px); position: sticky; top: 0; z-index: 10; }
.navbar .container { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; color: var(--ink); }
.logo:hover { text-decoration: none; }
.logo-icon { width: 30px; height: 30px; border-radius: 8px; background: linear-gradient(135deg, var(--brand-1), var(--brand-2)); display: inline-flex; align-items: center; justify-content: center; color: #fff; font-size: 16px; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--muted); font-weight: 500; }
.nav-links a:hover { color: var(--ink); text-decoration: none; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 22px; border-radius: 999px; font-weight: 600; transition: transform .15s ease, box-shadow .15s ease; }
.btn:hover { text-decoration: none; }
.btn-primary { background: linear-gradient(135deg, var(--brand-1), var(--brand-2)); color: #fff; box-shadow: var(--shadow); }
.btn-primary:hover { transform: translateY(-1px); }
.btn-large { padding: 15px 28px; font-size: 1.05rem; }
.btn-soft { background: var(--bg-soft); color: var(--muted); border: 1px solid var(--border); cursor: default; }

/* Hero */
.hero { text-align: center; padding: 80px 0 56px; background: radial-gradient(1200px 400px at 50% -10%, var(--bg-soft), #fff); }
.hero h1 { font-size: clamp(2.1rem, 5vw, 3.2rem); letter-spacing: -0.02em; line-height: 1.1; }
.hero-subtitle { color: var(--muted); font-size: 1.2rem; margin: 16px auto 28px; max-width: 560px; }
.hero-note { color: var(--muted); font-size: .92rem; margin-top: 14px; }

/* Features */
.features { padding: 56px 0; }
.features h2, .platforms h2 { text-align: center; font-size: 1.8rem; margin-bottom: 32px; letter-spacing: -0.01em; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; }
.feature-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.feature-icon { font-size: 1.9rem; margin-bottom: 10px; }
.feature-card h3 { font-size: 1.1rem; margin-bottom: 6px; }
.feature-card p { color: var(--muted); font-size: .96rem; }

/* Content pages (privacy / support) */
.page { padding: 56px 0 72px; }
.page h1 { font-size: 2.1rem; letter-spacing: -0.01em; margin-bottom: 6px; }
.page .updated { color: var(--muted); font-size: .92rem; margin-bottom: 32px; }
.page h2 { font-size: 1.25rem; margin: 30px 0 10px; }
.page p, .page li { color: #2c3a52; }
.page ul { margin: 8px 0 8px 22px; }
.page li { margin-bottom: 6px; }
.callout { background: var(--bg-soft); border: 1px solid var(--border); border-left: 4px solid var(--brand-1); border-radius: 12px; padding: 16px 18px; margin: 18px 0; }

/* FAQ */
.faq-item { border-bottom: 1px solid var(--border); padding: 18px 0; }
.faq-item h3 { font-size: 1.05rem; margin-bottom: 6px; }
.faq-item p { color: var(--muted); }

.contact-card { text-align: center; background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; margin-top: 36px; }
.contact-card .email { font-size: 1.1rem; font-weight: 600; }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 36px 0; margin-top: 40px; background: var(--bg-soft); }
.footer-content { display: flex; flex-wrap: wrap; gap: 18px; justify-content: space-between; align-items: center; }
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.footer-brand p { color: var(--muted); font-weight: 400; font-size: .9rem; width: 100%; margin-top: 4px; }
.footer-links { display: flex; gap: 20px; }
.footer-links a { color: var(--muted); font-weight: 500; }
.footer-bottom { text-align: center; color: var(--muted); font-size: .85rem; margin-top: 22px; }