:root {
    --bg: #202020;
    --panel: #2b2b2b;
    --text: #ffffff;
    --primary: #1309ff;
    --secondary: #adfaff;
    --border: #333;
    --radius: 4px;
}

body.light {
    --bg: #f5f7fa;
    --panel: #ffffff;
    --text: #111;
    --border: #ddd;
}

* {
    box-sizing: border-box
}

body {
    margin: 0;
    font-family: Inter,system-ui,sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

a {
    color: inherit;
    text-decoration: none
}

.container {
    max-width: 1200px;
    margin: auto;
    padding: 0 20px
}

section {
    padding: 72px 0
}

h1, h2, h3 {
    margin-top: 0
}

/* HEADER */
.header {
    position: relative;
    height: 90vh;
    overflow: hidden;
}

    .header video {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        z-index: 0;
    }

    .header::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg,rgba(0,0,0,.6),var(--bg));
        z-index: 1;
    }

.hero {
    position: relative;
    z-index: 5;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

    .hero img {
        height: 90px;
        margin-bottom: 20px
    }

    .hero h1 {
        font-size: 3rem;
        background: linear-gradient(90deg,var(--secondary),var(--primary));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    .hero p {
        max-width: 760px;
        font-size: 1.15rem
    }

/* BUTTONS */
.btn {
    padding: 12px 22px;
    border-radius: var(--radius);
    border: none;
    font-weight: 600;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg,var(--primary),#4b44ff);
    color: #fff;
}

.btn-secondary {
    background: var(--secondary);
    color: #000;
}

/* GRID & CARDS */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(240px,1fr));
    gap: 24px;
}

.gridVid {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
}

.gridVid div {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    width: 530px;
}

    .gridVid i {
        font-size: 20px;
        margin-right:10px;
        color: var(--secondary)
    }

    .gridVid video {
        width: 450px;
    }

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
}

    .card i {
        font-size: 2rem;
        color: var(--secondary)
    }


/* TABLE */
table {
    width: 100%;
    border-collapse: collapse;
    font-size: .85rem;
}

th, td {
    padding: 10px;
    border: 1px solid var(--border);
    text-align: center;
    vertical-align: top;
}

    th:first-child, td:first-child {
        text-align: left
    }

th {
    background: var(--secondary);
    color: #000
}

.yes {
    background: var(--secondary);
    color: #000;
    font-weight: 600
}

.no {
    opacity: .6
}

/* FORM */
.form-panel {
    max-width: 360px;
    margin: auto;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
}

form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

label {
    font-size: .8rem
}

input, select {
    width: 100%;
    padding: 8px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

/* FOOTER */
footer {
    background: #181818;
    text-align: center;
    padding: 32px 20px;
    font-size: .85rem;
}

@media(max-width:768px) {
    .hero h1 {
        font-size: 2.2rem
    }

    .nav ul {
        display: none
    }
}