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

:root {
    --bg: #101820;
    --white: #f8f9fa;
    --gold: #d4af37;
    --slate: #c0c0c0;
}

* { box-sizing: border-box; }

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

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

nav {
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 8%;
    background: rgba(16, 24, 32, 0.8);
    backdrop-filter: blur(10px);
    position: sticky; top: 0; z-index: 100;
}

.logo {
    font-family: 'Raleway', sans-serif;
    font-weight: 700; letter-spacing: 4px; font-size: 1.4rem;
    text-transform: uppercase; color: var(--white);
    position: relative; display: inline-block;
}

.logo::after {
    content: '';
    display: block;
    width: 100%; height: 2px;
    background-color: var(--gold);
    position: absolute; bottom: -6px; left: 0;
}

.nav-link {
    color: var(--gold); text-decoration: none; font-size: 0.75rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 2px;
    padding: 10px 24px; background: transparent;
    border: 1px solid var(--gold); border-radius: 5px;
    transition: background-color 0.2s, color 0.2s;
    white-space: nowrap;
}

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

@media (max-width: 650px) {
    nav { padding: 18px 5%; }
    .logo { font-size: 1.1rem; letter-spacing: 2px; }
    .nav-link { padding: 8px 14px; font-size: 0.65rem; letter-spacing: 1px; }
}

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

.hero {
    max-width: 1200px; margin: 0 auto; padding: 10vh 20px;
    text-align: center;
    position: relative; z-index: 1;
}

.brand-h1 {
    font-family: 'Raleway', sans-serif;
    font-size: clamp(2.5rem, 11vw, 8rem);
    font-weight: 900; margin: 0;
    text-transform: uppercase; letter-spacing: -0.02em;
    color: var(--gold); line-height: 0.95;
    animation: glint 4s linear infinite;
}

.hero-tagline {
    font-size: 1.1rem; color: var(--slate);
    margin: 30px auto 0; max-width: 600px;
    line-height: 1.6; opacity: 0.85;
}

@keyframes glint {
    0% { text-shadow: 0 0 15px var(--gold), 0 0 30px var(--gold); }
    50% { text-shadow: 0 0 5px var(--gold); }
    100% { text-shadow: 0 0 15px var(--gold), 0 0 30px var(--gold); }
}

@media (max-width: 600px) {
    .brand-h1 { font-size: 13vw; }
}

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

.grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px; margin-top: 60px; padding: 0 5%;
}

.card {
    background-color: rgba(90, 90, 90, 0.1);
    backdrop-filter: blur(5px);
    padding: 40px 35px;
    border: 1px solid #5a5a5a;
    border-radius: 10px;
    text-align: left;
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
}

.card-label {
    font-family: 'Raleway', sans-serif;
    font-weight: 700; font-size: 0.75rem;
    letter-spacing: 3px; text-transform: uppercase;
    color: var(--gold); display: block; margin-bottom: 12px;
}

.card h3 {
    font-family: 'Raleway', sans-serif;
    font-size: 1.1rem; margin: 0 0 12px;
    color: var(--white);
}

.card p { font-size: 1rem; line-height: 1.6; color: var(--slate); margin: 0; }

@media (max-width: 600px) {
    .card { padding: 24px 20px; }
}

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

.signal-line {
    padding: 30px 20px 100px;
    text-align: center;
    position: relative; z-index: 1;
}

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

.signal-status {
    font-size: 0.85rem; letter-spacing: 6px;
    text-transform: uppercase; color: var(--gold);
    font-weight: 600; opacity: 0.85; margin-bottom: 30px;
}

.signal-cta {
    display: inline-block;
    color: var(--gold); background: transparent;
    text-decoration: none; font-weight: 700;
    letter-spacing: 3px; text-transform: uppercase;
    font-size: 1rem; padding: 16px 36px;
    border: 1px solid var(--gold); border-radius: 5px;
    transition: background 0.2s, color 0.2s;
}

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

.signal-sub {
    margin-top: 20px; font-size: 0.8rem; letter-spacing: 2px;
    text-transform: uppercase; color: var(--slate); opacity: 0.7;
}