:root {
    --bg: hsl(220, 17%, 7%);
    --bg-alt: hsl(220, 22%, 11%);
    --card: hsl(220, 23%, 14%);
    --card-hover: hsl(220, 26%, 18%);
    --text: hsl(220, 15%, 92%);
    --muted: hsl(220, 10%, 67%);
    --accent: hsl(220, 89%, 64%);
    --border: hsl(220, 23%, 19%);
    --radius: 12px;
}

* {
    box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}

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

header {
    transition: top 220ms ease, border-bottom 220ms ease;
}

header.fixed {
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(8px);
    background: transparent;
    border-bottom: 1px solid transparent;
}

.scrolled header.fixed {
    background: rgba(15, 17, 21, .85);
    border-bottom-color: var(--border);
}

header .nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

header.full .nav {
    max-width: 100%;
}

header .logo {
    font-weight: 600;
    letter-spacing: .3px;
    display: flex;
    flex-direction: row;
    gap: 6px;
    transition: transform 120ms ease;
}

header .logo:hover {
    transform: scale(1.02);
}

header .nav nav {
    display: flex;
    gap: 18px;
    font-size: 0.9rem;
    color: var(--muted);
}

header .nav nav a {
    transition: color 120ms ease, transform 120ms ease;
}

header .nav nav a:hover {
    color: var(--accent);
    transform: translateY(-1px);
}





.form-card {
    max-width: 900px;
    margin: 12px auto 12px;
    padding: 12px 20px;
    background-color: var(--bg-alt);
    border-radius: var(--radius);
}

.form-card h1 {
    font-size: 1.5rem;
}

.form-card select,
.form-card input {
    padding: 4px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background-color: var(--card);
    color: var(--text);
}

.form-card .field {
    margin: 12px 0;
}

.form-card button {
    padding: 10px 20px;
    background-color: var(--accent);
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

.form-card button:disabled {
    background-color: var(--border);
    cursor: not-allowed;
}

.form-card .hori {
    display: flex;
    gap: 4px;
    flex-direction: row;
    align-items: center;
    width: 100%;
}

#drop-area {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 12px 4px;
    text-align: center;
    margin: 8px 0;
    cursor: pointer;
}

#drop-area.hover {
    border-color: var(--accent);
}

.ad-field {
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--muted);
    max-width: 900px;
    margin: 12px auto 0;
}





footer {
    border-top: 1px solid var(--border);
    margin-top: 60px;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 20px 48px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 24px;
}

footer .logo {
    font-weight: 600;
    letter-spacing: .3px;
    display: flex;
    flex-direction: row;
    gap: 6px;
    transition: transform 120ms ease;
}

footer .logo:hover {
    transform: scale(1.02);
}

footer .socials {
    display: flex;
    gap: 10px;
    margin-top: 12px;
    font-size: 1.2rem;
}

footer .socials a {
    color: var(--text);
    transition: color 120ms ease;
}

footer .socials a:hover {
    color: var(--accent);
}

.footer-inner h4 {
    margin: 0 0 10px;
}

.footer-inner ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-inner li {
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--muted);
}

.footer-inner li a {
    transition: color 120ms ease;
}

.footer-inner li a:hover {
    color: var(--text);
    text-decoration: underline;
}

footer .copyright {
    text-align: center;
    padding: 14px 20px;
    font-size: 13px;
    color: var(--muted);
    width: 100% !important;
    margin-bottom: 12px;
}



@media (max-width: 450px) {
    header .nav nav {
        display: none;
    }
}



::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 8px;
    border: 2px solid var(--bg);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border);
}

:target {
  scroll-margin-top: 24px;
}

::selection {
    background: var(--accent);
    color: #fff;
}