:root {
    --bg: #0f1117;
    --bg-2: #151a25;
    --panel: rgba(21, 26, 37, 0.9);
    --panel-light: rgba(30, 38, 56, 0.8);
    --text: #f3f5f7;
    --muted: #9aa4b2;
    --accent: #4de6a6;
    --accent-2: #3fc4ff;
    --border: rgba(255, 255, 255, 0.08);
    --shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Space Grotesk', sans-serif;
    color: var(--text);
    background: radial-gradient(circle at top, #1e2434 0%, #0f1117 55%, #0c0d12 100%);
    min-height: 100vh;
}

.bg {
    position: fixed;
    inset: 0;
    background: linear-gradient(120deg, rgba(77, 230, 166, 0.08), rgba(63, 196, 255, 0.08));
    filter: blur(120px);
    pointer-events: none;
}

.container {
    width: min(1100px, 92vw);
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(15, 17, 23, 0.7);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 0;
    gap: 16px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    box-shadow: var(--shadow);
}

.brand-title {
    font-weight: 700;
    font-size: 18px;
    letter-spacing: 0.02em;
}

.brand-subtitle {
    font-size: 12px;
    color: var(--muted);
}

.nav-links a {
    color: var(--muted);
    text-decoration: none;
    margin: 0 10px;
    font-size: 14px;
    transition: color 0.2s ease;
}

.nav-links a.active,
.nav-links a:hover {
    color: var(--text);
}

.nav-actions {
    display: flex;
    gap: 10px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 18px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #0b0d12;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: var(--shadow);
}

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

.btn.ghost {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
    box-shadow: none;
}

.main {
    padding: 40px 0 80px;
}

.hero {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
    align-items: center;
    margin-bottom: 32px;
}

.hero-copy h1 {
    font-size: clamp(32px, 5vw, 52px);
    margin: 8px 0 16px;
}

.eyebrow {
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.2em;
    color: var(--accent);
}

.hero-card {
    background: var(--panel);
    border-radius: 20px;
    padding: 24px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.card-title {
    font-weight: 600;
    margin-bottom: 20px;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 16px;
}

.card-grid span {
    color: var(--muted);
    font-size: 12px;
}

.panel {
    background: var(--panel);
    border-radius: 20px;
    padding: 24px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.panel.subtle {
    background: var(--panel-light);
}

.panel.narrow {
    max-width: 480px;
    margin: 0 auto;
}

.panel-header h2 {
    margin-top: 0;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
}

.split {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.form {
    display: grid;
    gap: 14px;
}

.form.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

label span {
    display: block;
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 6px;
}

input, select {
    width: 100%;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: rgba(12, 14, 18, 0.6);
    color: var(--text);
    font-family: 'IBM Plex Mono', monospace;
}

.form-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

.notice {
    padding: 12px 16px;
    border-radius: 12px;
    margin-bottom: 16px;
}

.notice.success {
    background: rgba(77, 230, 166, 0.15);
    border: 1px solid rgba(77, 230, 166, 0.4);
}

.notice.error {
    background: rgba(255, 85, 85, 0.15);
    border: 1px solid rgba(255, 85, 85, 0.35);
}

.profile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.profile-grid span {
    color: var(--muted);
    font-size: 12px;
}

.muted {
    color: var(--muted);
}

.list {
    margin: 0;
    padding-left: 18px;
    color: var(--muted);
}

.telegram-login {
    margin: 12px 0 20px;
}

.divider {
    height: 1px;
    background: var(--border);
    margin: 18px 0;
}

.link {
    color: var(--accent-2);
    text-decoration: none;
}

.site-footer {
    border-top: 1px solid var(--border);
    padding: 32px 0 48px;
    background: rgba(15, 17, 23, 0.8);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.footer-title {
    font-weight: 600;
    margin-bottom: 8px;
}

.footer-col {
    display: grid;
    gap: 8px;
}

.footer-col a {
    color: var(--muted);
    text-decoration: none;
}

.mono {
    font-family: 'IBM Plex Mono', monospace;
}

@media (max-width: 900px) {
    .nav {
        flex-direction: column;
        align-items: flex-start;
    }

    .nav-links {
        display: none;
    }
}