* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #050510;
    color: #f5f5f7;
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */

.site-header {
    background: rgba(5, 5, 16, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(10px);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.9rem 0;
}

.logo-text {
    font-weight: 700;
    letter-spacing: 0.05em;
    font-size: 1.1rem;
    text-transform: uppercase;
}

.logo-dot {
    color: #4f8cff;
}

.nav a {
    margin-left: 1.2rem;
    font-size: 0.95rem;
    opacity: 0.85;
}

.nav a:hover {
    opacity: 1;
}

/* Hero */

.hero {
    padding: 4rem 0 3rem;
    background: radial-gradient(circle at top, #151535 0, #050510 55%);
}

.hero-inner {
    display: flex;
    flex-wrap: wrap;
    gap: 2.5rem;
    align-items: center;
}

.hero-text {
    flex: 1 1 320px;
}

.hero-text h1 {
    font-size: 2.4rem;
    line-height: 1.1;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1rem;
    max-width: 34rem;
    opacity: 0.9;
    margin-bottom: 1.8rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 1.4rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, #4f8cff, #7b5cff);
    color: #fff;
}

.btn-primary:hover {
    filter: brightness(1.08);
}

.btn-ghost {
    border-color: rgba(255, 255, 255, 0.2);
    background: transparent;
}

.btn-ghost:hover {
    border-color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.04);
}

.hero-note {
    font-size: 0.9rem;
    opacity: 0.75;
}

.hero-panel {
    flex: 1 1 260px;
}

.hero-card {
    background: rgba(10, 10, 30, 0.9);
    border-radius: 1.25rem;
    padding: 1.6rem 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.75);
}

.hero-card h2 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
}

.hero-card ul {
    list-style: disc;
    padding-left: 1.1rem;
    font-size: 0.95rem;
}

/* Sections */

.section {
    padding: 3rem 0;
}

.section-alt {
    background: #080818;
}

.section h2 {
    font-size: 1.7rem;
    margin-bottom: 1rem;
}

.two-col {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(0, 1.3fr);
    gap: 2rem;
    align-items: flex-start;
}

.card {
    background: rgba(10, 10, 24, 0.95);
    border-radius: 1.1rem;
    padding: 1.4rem 1.3rem;
    border: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 0.95rem;
}

.callout {
    border-color: #4f8cff;
}

.feature-list {
    list-style: disc;
    padding-left: 1.2rem;
    margin-top: 0.5rem;
    font-size: 0.95rem;
}

.small {
    font-size: 0.85rem;
    opacity: 0.8;
    margin-top: 0.5rem;
}

/* Grid (Features) */

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

/* FAQ */

.faq-item + .faq-item {
    margin-top: 1rem;
}

.faq-item h3 {
    font-size: 1.05rem;
    margin-bottom: 0.25rem;
}

/* Contact */

.contact-email {
    margin-top: 0.5rem;
}

/* Footer */

.site-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding: 1.5rem 0 2rem;
    background: #04040b;
}

.footer-inner {
    text-align: center;
    font-size: 0.85rem;
    opacity: 0.8;
}

/* Responsive */

@media (max-width: 800px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .nav a {
        margin-left: 0;
        margin-right: 1rem;
    }

    .hero-inner {
        flex-direction: column;
    }

    .two-col {
        grid-template-columns: 1fr;
    }

    .grid-3 {
        grid-template-columns: 1fr;
    }
}
