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

:root {
    --bg: #ffffff;
    --bg-alt: #f4f7fa;
    --header-bg: #0a1520;
    --accent: #7EC4B8;
    --accent-dark: #5AADA0;
    --gold: #C8B87A;
    --text: #1a202c;
    --text-light: #4a5568;
    --text-muted: #718096;
    --border: #e2e8f0;
    --max-width: 760px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
}

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

/* Nav */
.site-nav {
    background: var(--header-bg);
    padding: 0 20px;
}
.site-nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--max-width);
    margin: 0 auto;
    height: 56px;
}
.site-nav .logo {
    color: #fff;
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: -0.01em;
}
.site-nav .logo:hover { text-decoration: none; }
.nav-links { display: flex; gap: 24px; }
.nav-links a { color: rgba(255,255,255,0.55); font-size: 0.9rem; }
.nav-links a:hover { color: #fff; text-decoration: none; }

/* Hero */
.hero {
    background: radial-gradient(ellipse at 50% 40%, #162535 0%, #0a1520 55%, #070D16 100%);
    padding: 64px 20px 80px;
    text-align: center;
    color: #fff;
}
.hero-icon {
    width: 108px;
    height: 108px;
    border-radius: 24%;
    display: block;
    margin: 0 auto 28px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.5), 0 0 0 1px rgba(126,196,184,0.12);
}
.hero h1 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 18px;
}
.hero p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.7);
    max-width: 520px;
    margin: 0 auto 36px;
}
.appstore-btn {
    display: inline-block;
    background: var(--accent);
    color: #0a1520;
    font-weight: 700;
    font-size: 0.95rem;
    padding: 14px 32px;
    border-radius: 12px;
    letter-spacing: -0.01em;
    transition: background 0.15s, transform 0.1s;
    text-decoration: none;
}
.appstore-btn:hover {
    background: #9EDAD0;
    text-decoration: none;
    transform: translateY(-1px);
}
.hero-note {
    margin-top: 12px;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.35);
    margin-bottom: 0;
}

/* Sections */
.section { padding: 60px 20px; }
.section-alt { background: var(--bg-alt); }
.section-inner { max-width: var(--max-width); margin: 0 auto; }
.section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}
.section .lead {
    color: var(--text-light);
    margin-bottom: 32px;
    max-width: 540px;
}

/* Steps */
.steps { display: flex; flex-direction: column; gap: 20px; }
.step { display: flex; gap: 16px; align-items: flex-start; }
.step-num {
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    margin-top: 2px;
}
.step-body h3 { font-size: 1rem; font-weight: 600; margin-bottom: 3px; }
.step-body p { color: var(--text-light); font-size: 0.95rem; margin: 0; }

/* Features grid */
.features {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 28px;
}
@media (max-width: 500px) { .features { grid-template-columns: 1fr; } }
.features li {
    padding: 16px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 0.9rem;
    color: var(--text-light);
}
.features li strong { display: block; color: var(--text); margin-bottom: 2px; font-size: 0.95rem; }

/* Principles */
.principles { display: flex; flex-direction: column; gap: 12px; margin-top: 28px; }
.principle {
    padding: 16px 20px;
    border-left: 3px solid var(--accent);
    background: var(--bg);
    border-radius: 0 8px 8px 0;
}
.section-alt .principle { background: var(--bg-alt); }
.principle h3 { font-size: 1rem; font-weight: 600; margin-bottom: 3px; }
.principle p { margin: 0; color: var(--text-light); font-size: 0.9rem; }

/* Footer */
footer {
    background: var(--header-bg);
    color: rgba(255,255,255,0.4);
    padding: 36px 20px;
    text-align: center;
    font-size: 0.85rem;
}
.footer-links { margin-bottom: 10px; display: flex; justify-content: center; flex-wrap: wrap; gap: 0; }
.footer-links a { color: rgba(255,255,255,0.6); padding: 0 14px; }
.footer-links a + a { border-left: 1px solid rgba(255,255,255,0.12); }
.footer-links a:hover { color: #fff; text-decoration: none; }

/* Prose (privacy / support / terms pages) */
.prose {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 52px 20px 64px;
}
.prose h1 {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 6px;
}
.prose .meta {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 44px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}
.prose h2 {
    font-size: 1.15rem;
    font-weight: 700;
    margin: 36px 0 10px;
    letter-spacing: -0.01em;
}
.prose p { color: var(--text-light); margin-bottom: 14px; }
.prose ul {
    color: var(--text-light);
    padding-left: 22px;
    margin-bottom: 14px;
}
.prose li { margin-bottom: 6px; }
.prose a { color: var(--accent-dark); }
.prose strong { color: var(--text); }
.prose h3 {
    font-size: 1rem;
    font-weight: 700;
    margin: 28px 0 8px;
    letter-spacing: -0.01em;
}

/* Contact form */
.contact-form { margin-top: 32px; }
.contact-form .field { margin-bottom: 16px; }
.contact-form label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}
.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--text);
    background: var(--bg);
    transition: border-color 0.15s;
}
.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--accent);
}
.contact-form textarea { resize: vertical; min-height: 120px; }
.contact-form button {
    padding: 10px 24px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}
.contact-form button:hover { background: var(--accent-dark); }