@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;700&family=Roboto:wght@700&display=swap');

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

body, html {
    font-family: 'Open Sans', sans-serif;
    background-color: #1A1A2E;
    color: #FFFFFF;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

/* ── Background canvas ─────────────────────────────────────────── */

#site-canvas {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1;
    pointer-events: none;
}

/* ── Header / Nav ───────────────────────────────────────────────── */

header {
    position: sticky;
    top: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
    background: rgba(26, 26, 46, 0.85);
    backdrop-filter: blur(10px);
    z-index: 100;
}

.logo {
    font-family: 'Roboto', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: #E94560;
}

.nav-link {
    text-decoration: none;
    color: #FFFFFF;
    background-color: #E94560;
    padding: 10px 20px;
    border-radius: 5px;
    font-weight: 700;
    white-space: nowrap;
    transition: background-color 0.3s ease;
}

.nav-link:hover,
.nav-link:focus {
    background-color: #0F3460;
}

@media (max-width: 650px) {
    header { padding: 15px 5%; }
    .logo { font-size: 1.2rem; }
    .nav-link { padding: 8px 14px; font-size: 0.85rem; }
}

/* ── Hero ───────────────────────────────────────────────────────── */

main {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    padding: 10vh 20px 0;
    position: relative;
    z-index: 10;
}

.brand-h1 {
    font-family: 'Roboto', sans-serif;
    font-size: clamp(2rem, 6vw, 5rem);
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-p {
    max-width: 680px;
    margin: 0 auto 60px;
    color: #A6A6A6;
}

/* ── Cards ──────────────────────────────────────────────────────── */

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin: 0 auto;
    padding: 20px 0;
    max-width: 1200px;
}

.card {
    background-color: #0F3460;
    border-radius: 10px;
    padding: 35px;
    text-align: left;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.15);
}

.card-label {
    font-size: 0.8rem;
    font-weight: bold;
    letter-spacing: 1px;
    margin-bottom: 5px;
    color: #E94560;
}

.card h3 {
    font-family: 'Roboto', sans-serif;
    margin-bottom: 10px;
    font-size: 1.25rem;
    color: #FFFFFF;
}

.card p {
    color: #A6A6A6;
    line-height: 1.5;
}


/* ── CTA / Signal section ───────────────────────────────────────── */

.cta-section {
    padding: 50px 0 100px;
    text-align: center;
}

.signal-status {
    font-size: 0.9rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: #E94560;
    opacity: 0.85;
    margin-bottom: 20px;
}

.signal-cta {
    display: inline-block;
    text-decoration: none;
    color: #FFFFFF;
    background-color: #E94560;
    padding: 16px 36px;
    border-radius: 5px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: background-color 0.3s ease;
}

.signal-cta:hover,
.signal-cta:focus {
    background-color: #0F3460;
}

.signal-sub {
    margin-top: 20px;
    color: #A6A6A6;
}

@media (max-width: 768px) {
    .cards { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    main { padding-top: 8vh; }
    .brand-h1 { font-size: clamp(1.6rem, 7vw, 2.5rem); }
    .hero-p { margin-bottom: 32px; font-size: 0.95rem; }
    .cards { gap: 16px; }
    .card { padding: 24px; }
    .signal-cta { padding: 13px 20px; letter-spacing: 0.5px; font-size: 0.875rem; }
    .cta-section { padding: 30px 0 50px; }
}