:root {
    --bg: #0A0F1E;
    --bg2: #111827;
    --bg3: #1a2035;
    --text: #F0EDE6;
    --muted: #94A3B8;
    --accent: #6366F1;
    --accent2: #14B8A6;
    --border: rgba(99, 102, 241, 0.18);
    --card: rgba(26, 32, 53, 0.8);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background:
        radial-gradient(1100px 550px at 88% -10%, rgba(99, 102, 241, 0.12), transparent 60%),
        radial-gradient(800px 480px at -10% 15%, rgba(20, 184, 166, 0.07), transparent 55%),
        var(--bg);
    color: var(--text);
    font-family: 'Inter', sans-serif;
    line-height: 1.7;
}

/* HEADER */
header {
    position: relative;
    overflow: hidden;
    text-align: center;
    padding: 6.5rem 6vw 4.5rem;
    background: var(--bg2);
    border-bottom: 1px solid var(--border);
}

header::before {
    content: '';
    position: absolute;
    width: 560px;
    height: 560px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.16) 0%, transparent 70%);
    top: -220px;
    right: -120px;
    pointer-events: none;
}

header::after {
    content: '';
    position: absolute;
    width: 380px;
    height: 380px;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.1) 0%, transparent 70%);
    bottom: -200px;
    left: -100px;
    pointer-events: none;
}

header h1 {
    position: relative;
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(2.1rem, 5vw, 3.1rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1.1rem;
}

header p {
    position: relative;
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent2);
    font-size: 0.88rem;
    letter-spacing: 0.04em;
    max-width: 620px;
    margin: 0 auto 2.2rem;
}

.back-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
    text-decoration: none;
    background: var(--accent);
    color: #fff;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 0.92rem;
    padding: 0.75rem 1.6rem;
    border-radius: 6px;
    transition: all 0.22s;
}

.back-btn:hover {
    background: #4f51e0;
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(99, 102, 241, 0.32);
}

/* SECTIONS */
.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
    padding: 4.2rem 0;
}

h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: clamp(1.4rem, 3vw, 1.85rem);
    font-weight: 700;
    color: var(--text);
    margin-bottom: 2.2rem;
    padding-left: 1rem;
    border-left: 3px solid var(--accent);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.6rem;
}

/* CARDS */
.card {
    background: var(--card);
    padding: 1.8rem;
    border-radius: 14px;
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
    transform: translateY(-6px);
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(99, 102, 241, 0.12);
}

.card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.12rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.8rem;
}

.card p {
    color: var(--muted);
    font-size: 0.92rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    flex: 1;
}

.card a {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    text-decoration: none;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    font-weight: 500;
    color: #fff;
    background: var(--accent);
    padding: 0.6rem 1.15rem;
    border-radius: 6px;
    transition: all 0.2s;
}

.card a:hover {
    background: #4f51e0;
    transform: translateX(3px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

/* Placeholder / "Soon" cards get a quieter, non-primary treatment */
.card a[href="#"] {
    color: var(--muted);
    background: rgba(148, 163, 184, 0.08);
    border: 1px solid var(--border);
}

.card a[href="#"]:hover {
    color: var(--accent2);
    background: rgba(20, 184, 166, 0.1);
    border-color: rgba(20, 184, 166, 0.3);
    box-shadow: none;
    transform: translateX(3px);
}

/* FOOTER */
footer {
    text-align: center;
    padding: 2.5rem 5vw;
    margin-top: 2rem;
    border-top: 1px solid var(--border);
    background: var(--bg2);
    color: var(--muted);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
}

/* RESPONSIVE */
@media (max-width: 768px) {
    header {
        padding: 5rem 5vw 3.5rem;
    }

    .container {
        padding: 3rem 0;
    }

    .grid {
        gap: 1.2rem;
    }
}