@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@700;900&family=Roboto:wght@400;500&display=swap');

:root {
    --bg: #0A0C12;
    --panel: #131720;
    --accent: #E8344A;
    --accent-dim: #9B2233;
    --text: #FFFFFF;
    --muted: #8892A0;
    --border: rgba(232, 52, 74, 0.22);
}

*, *::before, *::after { box-sizing: border-box; }

body, html {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    -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;
    background: rgba(10, 12, 18, 0.88);
    backdrop-filter: blur(10px);
    padding: 20px 8%;
    z-index: 100;
    border-bottom: 1px solid var(--border);
}

.logo {
    font-family: 'Montserrat', sans-serif;
    font-weight: 900;
    letter-spacing: 2px;
    font-size: 1.5rem;
    color: var(--text);
}

.logo span { color: var(--accent); }

.nav-link {
    text-decoration: none;
    color: var(--text);
    background-color: var(--accent);
    padding: 10px 22px;
    border-radius: 4px;
    font-weight: 700;
    font-size: 0.88rem;
    letter-spacing: 0.5px;
    transition: background-color 0.25s, transform 0.2s;
    white-space: nowrap;
}

.nav-link:hover, .nav-link:focus {
    background-color: var(--accent-dim);
    transform: translateY(-1px);
}

@media (max-width: 480px) {
    nav { padding: 16px 6%; }
    .logo { font-size: 1.2rem; }
    .nav-link { padding: 8px 16px; }
}

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

.hero {
    padding: 14vh 20px 6vh;
    text-align: center;
    position: relative;
    z-index: 10;
}

.hero h1 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 900;
    font-size: clamp(2.2rem, 6vw, 5rem);
    margin: 0;
    line-height: 1.05;
    letter-spacing: -0.01em;
    text-transform: uppercase;
}

.hero h1 span { color: var(--accent); }

.hero-content {
    max-width: 660px;
    margin: 24px auto 0;
    color: var(--muted);
    font-size: 1.05rem;
    line-height: 1.65;
}

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

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    padding: 40px 8% 60px;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

.card {
    background-color: var(--panel);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-top: 2px solid var(--accent);
    border-radius: 6px;
    padding: 36px;
    transition: transform 0.25s, box-shadow 0.25s;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px rgba(232, 52, 74, 0.15);
}

.card .label {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 0.72rem;
    letter-spacing: 3px;
    color: var(--accent);
    margin: 0 0 12px;
}

.card h3 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 12px;
    font-size: 1.1rem;
    line-height: 1.3;
}

.card p {
    color: var(--muted);
    line-height: 1.65;
    margin: 0;
    font-size: 0.95rem;
}

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

.signal-line {
    text-align: center;
    padding: 20px 20px 100px;
    position: relative;
    z-index: 10;
}

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

.signal-status {
    letter-spacing: 4px;
    font-size: 0.78rem;
    color: var(--muted);
    text-transform: uppercase;
    margin-bottom: 24px;
}

.signal-cta {
    display: inline-block;
    text-decoration: none;
    color: var(--text);
    background-color: var(--accent);
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    letter-spacing: 2px;
    padding: 18px 44px;
    border-radius: 4px;
    font-size: 0.9rem;
    transition: background-color 0.25s, transform 0.25s;
}

.signal-cta:hover, .signal-cta:focus {
    background-color: var(--accent-dim);
    transform: translateY(-3px);
}

.signal-sub {
    margin-top: 20px;
    color: var(--muted);
    font-size: 0.85rem;
    letter-spacing: 1px;
}

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

@media (max-width: 600px) {
    .card { padding: 28px 22px; }
}