@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700;900&family=Open+Sans:wght@400;600&display=swap');

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

body, html {
    font-family: 'Open Sans', sans-serif;
    background-color: #1F1F1F;
    color: #FFFFFF;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    min-height: 100vh;
}

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

nav {
    position: sticky;
    top: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
    background: rgba(31, 31, 31, 0.8);
    backdrop-filter: blur(10px);
    z-index: 10;
}

.logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    background: linear-gradient(to right, #14A76C, #E94E77);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-link {
    background-color: #E94E77;
    color: #FFFFFF;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    white-space: nowrap;
    transition: background-color 0.3s;
}

.nav-link:hover,
.signal-cta:hover {
    background-color: #14A76C;
}

@media (max-width: 650px) {
    nav { padding: 16px 5%; }
    .logo { font-size: 1.3rem; }
    .nav-link { padding: 8px 14px; font-size: 0.85rem; }
}

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

.hero {
    text-align: center;
    padding: 10vh 20px;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(2rem, 6vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
}

.hero-sub {
    max-width: 680px;
    margin: 20px auto 0;
    color: #A6A6A6;
    line-height: 1.6;
}

@media (max-width: 480px) {
    .hero { padding: 8vh 20px; }
}

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

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    padding: 20px 6% 40px;
    position: relative;
    z-index: 1;
}

.card {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 35px;
    border-radius: 10px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.card .label {
    color: #E94E77;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.card h3 {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    color: #ffffff;
    margin-bottom: 10px;
}

.card p {
    color: #A6A6A6;
    line-height: 1.6;
}

/* ── CTA ────────────────────────────────────────────────────────── */

.cta {
    text-align: center;
    padding: 40px 20px 80px;
    position: relative;
    z-index: 1;
}

.signal-status {
    color: #A6A6A6;
    font-size: 0.9rem;
    letter-spacing: 3px;
    margin-bottom: 20px;
}

.signal-cta {
    display: inline-block;
    background-color: #E94E77;
    color: #FFFFFF;
    padding: 14px 32px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s;
}

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

/* ── Canvas ─────────────────────────────────────────────────────── */

canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}