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

:root {
    --blue: #3366ff;
    --orange: #ff6600;
    --orange-dark: #cc5200;
    --blue-dark: #284dbf;
    --ink: #222222;
    --muted: #888888;
    --bg: #f5f5f5;
}

* { box-sizing: border-box; }

body, html {
    margin: 0; padding: 0;
    font-family: 'Open Sans', sans-serif;
    color: var(--ink);
    background-color: var(--bg);
    overflow-x: hidden;
    min-height: 100vh;
    line-height: 1.6;
}

a { text-decoration: none; color: var(--ink); }

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

nav {
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 8%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    position: sticky; top: 0; z-index: 100;
}

.logo {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700; font-size: 1.5rem;
    color: var(--ink);
}

.logo span {
    color: var(--blue);
    font-weight: 700;
}

.nav-link {
    color: var(--bg); background: var(--orange);
    font-weight: 600;
    padding: 8px 16px; border-radius: 4px;
    transition: background-color 0.3s;
    white-space: nowrap;
}

.nav-link:hover { background: var(--orange-dark); }

@media (max-width: 650px) {
    nav { padding: 14px 5%; }
    .logo { font-size: 1.2rem; }
    .nav-link { padding: 8px 14px; font-size: 0.85rem; }
}

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

.hero {
    max-width: 1200px; margin: 0 auto; padding: 12vh 20px 5vh;
    text-align: center;
    position: relative; z-index: 10;
}

.brand-h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: clamp(2rem, 6vw, 5rem);
    font-weight: 900; margin: 0;
    color: var(--ink); line-height: 1.1;
}

.hero-tagline {
    font-size: 1.05rem; color: var(--muted);
    margin: 20px auto 0; max-width: 680px;
    line-height: 1.6;
}

@media (max-width: 480px) {
    .brand-h1 { font-size: 2.5rem; }
}

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

.grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px; padding: 40px;
    position: relative; z-index: 10;
}

.card {
    background: #ffffff; border-radius: 8px;
    padding: 35px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    text-align: left;
    transition: transform 0.3s;
}

.card:hover { transform: translateY(-10px); }

.card-label {
    font-family: 'Open Sans', sans-serif;
    margin-bottom: 12px;
    color: var(--orange); font-weight: bold;
    letter-spacing: 1px;
}

.card h3 {
    font-family: 'Montserrat', sans-serif;
    margin-bottom: 8px;
    color: var(--blue);
}

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

@media (max-width: 600px) {
    .card { padding: 30px 24px; }
}

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

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

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

.signal-status {
    font-size: 0.85rem; letter-spacing: 3px;
    text-transform: uppercase; color: var(--muted);
    margin-bottom: 20px;
}

.signal-cta {
    display: inline-block;
    color: #ffffff; background: var(--blue);
    font-weight: 600;
    font-size: 1rem; padding: 10px 20px;
    border-radius: 4px;
    transition: background-color 0.3s;
}

.signal-cta:hover { background: var(--blue-dark); }

.signal-sub {
    margin-top: 20px; font-size: 0.9rem;
    color: var(--muted);
}

/* ── Animation Layer ────────────────────────────────────────────── */

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