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

:root {
    --primary: #3A3D98;
    --primary-dark: #2B2F7E;
    --accent: #8EA6E0;
    --bg: #F5F5F5;
    --text: #333333;
    --text-soft: #666666;
}

* {
    box-sizing: border-box;
}

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

/* ── Background animation ───────────────────────────────────────── */

#animation-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

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

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    backdrop-filter: blur(10px);
    background-color: rgba(245, 245, 245, 0.8);
    z-index: 100;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    color: var(--primary);
    letter-spacing: 0.05em;
}

.nav-link,
.signal-cta {
    display: inline-block;
    background-color: var(--primary);
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    transition: background-color 0.3s ease;
}

.nav-link:hover,
.signal-cta:hover {
    background-color: var(--primary-dark);
}

@media (max-width: 480px) {
    header {
        padding: 10px 20px;
    }

    .logo {
        font-size: 1.2rem;
    }

    .nav-link,
    .signal-cta {
        padding: 8px 16px;
    }
}

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

.page-main {
    position: relative;
    z-index: 10;
    text-align: center;
    padding-top: 15vh;
    padding-left: 5%;
    padding-right: 5%;
    padding-bottom: 80px;
}

h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(2rem, 6vw, 5rem);
    color: var(--primary);
    margin-bottom: 1rem;
}

.hero-p {
    max-width: 680px;
    color: var(--text-soft);
    margin: 0 auto 4rem;
}

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

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    margin-bottom: 4rem;
}

.card {
    background-color: #FFFFFF;
    border: 1px solid #E0E0E0;
    padding: 35px 40px;
    border-radius: 8px;
    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(-5px);
    box-shadow: 0 6px 10px rgba(0, 0, 0, 0.15);
}

.card-label {
    font-family: 'Montserrat', sans-serif;
    color: var(--accent);
    margin-bottom: 10px;
    font-weight: 700;
}

.card-title {
    font-family: 'Montserrat', sans-serif;
    color: var(--primary);
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.card-text {
    color: var(--text);
    margin: 0;
}

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

@media (max-width: 480px) {
    .cards { padding: 0; }
    .card { padding: 24px; }
}

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

.cta {
    text-align: center;
    margin: 2rem 0;
}

.signal-status {
    color: var(--text-soft);
    letter-spacing: 2px;
    text-transform: uppercase;
    font-size: 0.85rem;
    margin: 0 0 1.25rem;
}

.signal-cta {
    margin: 0.5rem 0;
}

.signal-sub {
    color: var(--text-soft);
    margin: 1.25rem 0 0;
}