@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@300;400;600&family=Oswald:wght@400;600&display=swap');

:root {
    --bg: #0A0A1A;
    --cyan: #1DB5E8;
    --orange: #E85D1D;
    --muted: #B0B0B0;
}

* { box-sizing: border-box; }

body, html {
    margin: 0; padding: 0;
    font-family: 'Open Sans', sans-serif;
    color: #FFFFFF;
    background-color: var(--bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

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

canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 1;
}

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

nav {
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 40px;
    background: rgba(10, 10, 26, 0.8);
    backdrop-filter: blur(10px);
    position: fixed; top: 0; width: 100%;
    z-index: 100;
}

.logo {
    font-family: 'Oswald', sans-serif;
    font-size: 2rem;
    font-weight: 600;
}

.logo .query { color: var(--cyan); }
.logo .vibe { color: var(--orange); }

.nav-link {
    padding: 10px 20px;
    background-color: var(--orange);
    color: #FFFFFF;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: background-color 0.3s;
}

.nav-link:hover { background-color: var(--cyan); }

@media (max-width: 650px) {
    nav { padding: 10px 20px; }
    .logo { font-size: 1.5rem; }
}

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

header {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 18vh 20px 12vh;
    z-index: 10;
    position: relative;
}

header h1 {
    font-family: 'Oswald', sans-serif;
    font-size: clamp(2rem, 6vw, 5rem);
    margin: 0 0 20px;
    line-height: 1.2;
}

#hero_text {
    max-width: 680px;
    color: var(--muted);
    margin: 0 auto;
    line-height: 1.6;
}

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

section.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    z-index: 10;
    position: relative;
}

.card {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 35px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: left;
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.2);
}

.card .label {
    font-weight: 600;
    color: var(--cyan);
    margin-bottom: 10px;
    letter-spacing: 1px;
}

.card:nth-child(2) .label { color: var(--orange); }
.card:nth-child(3) .label { color: var(--cyan); }
.card:nth-child(4) .label { color: var(--orange); }

.card h3 {
    font-family: 'Oswald', sans-serif;
    color: #ffffff;
    margin: 0 0 15px;
}

.card p {
    color: var(--muted);
    margin: 0;
    line-height: 1.6;
}

/* ── Signal Line (CTA) ─────────────────────────────────────────── */

.signal-line {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 20px 80px;
    z-index: 10;
    position: relative;
}

.signal-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 600px;
}

.signal-status {
    font-weight: 300;
    color: var(--muted);
    letter-spacing: 2px;
    margin: 0 0 20px;
}

.signal-cta {
    display: inline-block;
    padding: 15px 30px;
    background-color: var(--cyan);
    color: #FFFFFF;
    text-decoration: none;
    border-radius: 5px;
    font-weight: 600;
    transition: background-color 0.3s;
}

.signal-cta:hover { background-color: var(--orange); }

.signal-sub {
    margin: 20px 0 0;
    font-weight: 300;
    color: var(--muted);
}

@media (max-width: 480px) {
    header { padding: 14vh 10px 10vh; }
    .signal-line { padding: 40px 10px 60px; }
}

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