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

:root {
    --ink: #1E1F26;
    --red: #E63946;
    --cream: #F1FAEE;
    --teal: #A8DADC;
}

* {
    box-sizing: border-box;
}

body, html {
    margin: 0;
    padding: 0;
    font-family: 'Open Sans', sans-serif;
    background-color: var(--ink);
    color: #FFFFFF;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

#animationCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

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

nav {
    position: fixed;
    top: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
    backdrop-filter: blur(8px);
    background: rgba(30, 31, 38, 0.8);
    z-index: 10;
}

.logo {
    font-family: 'Roboto', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--red);
    text-transform: lowercase;
}

.nav-link {
    color: #FFFFFF;
    text-decoration: none;
    font-weight: 600;
    padding: 10px 24px;
    background-color: var(--red);
    border-radius: 25px;
    transition: background-color 0.3s ease, color 0.3s ease;
    white-space: nowrap;
}

.nav-link:hover,
.nav-link:focus {
    background-color: var(--cream);
    color: var(--ink);
}

@media (max-width: 650px) {
    nav { padding: 16px 5%; }
    .logo { font-size: 1.2rem; }
    .nav-link { padding: 8px 16px; font-size: 0.95rem; }
}

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

.hero {
    text-align: center;
    padding: 14vh 20px 0;
    z-index: 10;
    position: relative;
}

.hero h1 {
    font-family: 'Roboto', sans-serif;
    font-weight: 900;
    font-size: clamp(2rem, 6vw, 5rem);
    line-height: 1.1;
    margin: 0 0 20px;
}

.hero p {
    max-width: 680px;
    margin: 0 auto;
    color: var(--teal);
    line-height: 1.6;
}

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

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    padding: 60px 8%;
    z-index: 10;
    position: relative;
}

.card {
    background-color: rgba(241, 250, 238, 0.1);
    padding: 35px;
    border: 1px solid var(--cream);
    border-radius: 10px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.card label {
    font-family: 'Roboto', sans-serif;
    font-weight: 700;
    color: var(--red);
    letter-spacing: 1px;
    margin-bottom: 12px;
    display: block;
}

.card h3 {
    font-size: 1.25rem;
    margin: 0 0 10px;
}

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

/* ── Signal Line ────────────────────────────────────────────────── */

.signal-line {
    text-align: center;
    padding: 40px 20px 80px;
    z-index: 10;
    position: relative;
}

.signal-inner {
    max-width: 600px;
    margin: 0 auto;
}

.signal-status {
    letter-spacing: 3px;
    color: var(--teal);
    opacity: 0.85;
    margin: 0 0 20px;
}

.signal-cta {
    display: inline-block;
    color: #FFFFFF;
    text-decoration: none;
    font-family: 'Roboto', sans-serif;
    font-weight: 700;
    padding: 14px 32px;
    background-color: var(--red);
    border-radius: 25px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.signal-cta:hover,
.signal-cta:focus {
    background-color: var(--cream);
    color: var(--ink);
}

.signal-sub {
    margin: 20px 0 0;
    color: var(--teal);
    opacity: 0.75;
}

@media (max-width: 480px) {
    .logo { font-size: 1.2rem; }
    .nav-link { padding: 8px 16px; font-size: 0.95rem; }
}

/* ── Footer ─────────────────────────────────────────────────────── */

footer {
    position: relative;
    z-index: 10;
    color: rgba(168, 218, 220, 0.70);
    font-size: 0.85rem;
}