:root {
    --primary: #0f172a;
    --accent: #2563eb;
    --accent-light: #dbeafe;
    --background: #f8fafc;
    --surface: #ffffff;
    --border: #e2e8f0;
    --text: #334155;
    --success: #16a34a;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Inter, Arial, sans-serif;
}

body {
    background: var(--background);
    color: var(--text);
    min-height: 100vh;
}


.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}


/* HEADER */

header {
    padding: 30px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    color: var(--primary);
    font-size: 22px;
}

.back {
    color: var(--accent);
    text-decoration: none;
}


/* HERO */

.hero {
    text-align: center;
    padding: 80px 0;
}

.hero h1 {
    font-size: 56px;
    color: var(--primary);
    letter-spacing: -2px;
}

.hero p {
    margin-top: 20px;
    font-size: 20px;
}


/* BUTTONS */

.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 10px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    transition: .2s;
}

.btn-primary {
    background: var(--accent);
    color:white;
}

.btn-primary:hover {
    transform: translateY(-2px);
}


/* CARDS */

.grid {
    display:grid;
    grid-template-columns: repeat(auto-fit,minmax(220px,1fr));
    gap:25px;
}


.card {

    background:white;
    padding:30px;
    border-radius:18px;
    border:1px solid var(--border);
    cursor:pointer;
    transition:.25s;
}


.card:hover {
    border-color:var(--accent);
    box-shadow:0 10px 30px rgba(0,0,0,.08);
}


.card h3 {
    color:var(--primary);
    margin-bottom:10px;
}


.card p {
    font-size:14px;
}


/* PAGE TITLES */


.page-title {
    padding:40px 0;
}

.page-title h2 {
    font-size:38px;
    color:var(--primary);
}


/* FORM */

.form-box {

    background:white;
    padding:40px;
    border-radius:20px;
    border:1px solid var(--border);

}


.form-grid {

    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:20px;

}


label {

    font-size:14px;
    font-weight:600;

}


input, textarea {

    width:100%;
    margin-top:8px;
    padding:12px;
    border-radius:8px;
    border:1px solid var(--border);

}


textarea {
    height:100px;
}


/* DRAWING OUTPUT */


.drawing-area {

    height:500px;
    background:white;
    border-radius:20px;
    border:2px dashed #94a3b8;
    display:flex;
    justify-content:center;
    align-items:center;
    color:#64748b;
    font-size:20px;

}


.actions {

    margin-top:30px;
    display:flex;
    gap:15px;
    flex-wrap:wrap;

}


.btn-secondary {

    background:white;
    border:1px solid var(--border);
    color:var(--primary);

}


footer {

    padding:40px 0;
    text-align:center;
    color:#64748b;

}


@media(max-width:700px){

.form-grid{
grid-template-columns:1fr;
}

.hero h1{
font-size:38px;
}

}