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

:root {
    --bg: #000000;
    --surface: #111111;
    --border: #222222;
    --text: #ffffff;
    --text-muted: #666666;
    --accent: #cc0000;
    --success: #00aa00;
    --error: #cc0000;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 15px;
    line-height: 1.6;
}

.container {
    max-width: 680px;
    margin: 0 auto;
    padding: 0 24px;
}

header {
    padding: 64px 0 48px;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(rgba(0,0,0,0.85), rgba(0,0,0,0.95)), url('photo.jpg');
    background-size: cover;
    background-position: center;
}

.logo {
    height: 56px;
    max-width: 100%;
    margin-bottom: 8px;
    display: block;
}

@media (max-width: 600px) {
    .logo {
        height: 44px;
    }
}

.tagline {
    color: var(--text-muted);
    font-size: 16px;
    margin-bottom: 48px;
}

.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature {
    padding: 16px 0;
}

.feature-icon {
    width: 24px;
    height: 24px;
    stroke: var(--text);
    stroke-width: 1.5;
    fill: none;
    margin-bottom: 12px;
}

.feature h3 {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.feature p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
}

@media (max-width: 600px) {
    .features {
        grid-template-columns: 1fr;
    }
    
    .logo {
        font-size: 36px;
    }
}

section {
    padding: 64px 0;
    border-bottom: 1px solid var(--border);
}

section.alt {
    background: var(--surface);
}

.section-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 32px;
}

.form-box {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 32px;
}

.input-group {
    margin-bottom: 20px;
}

.input-group label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.input-wrap {
    display: flex;
    background: var(--bg);
    border: 1px solid var(--border);
}

.input-wrap:focus-within {
    border-color: var(--text-muted);
}

.input-wrap input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 14px;
    color: var(--text);
    font-size: 15px;
    outline: none;
}

.input-wrap .domain {
    padding: 14px 16px;
    background: var(--surface);
    color: var(--text-muted);
    font-size: 14px;
    border-left: 1px solid var(--border);
}

.btn {
    display: block;
    width: 100%;
    background: var(--text);
    color: var(--bg);
    border: none;
    padding: 16px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
}

.btn:hover {
    background: var(--text-muted);
}

.message {
    padding: 16px;
    margin-bottom: 20px;
    font-size: 14px;
    border-left: 3px solid;
}

.message.success {
    background: rgba(0, 170, 0, 0.1);
    border-color: var(--success);
    color: var(--success);
}

.message.error {
    background: rgba(204, 0, 0, 0.1);
    border-color: var(--error);
    color: var(--error);
}

.privacy-content h3 {
    font-size: 16px;
    font-weight: 700;
    margin: 32px 0 12px;
}

.privacy-content h3:first-child {
    margin-top: 0;
}

.privacy-content p {
    color: var(--text-muted);
    margin-bottom: 12px;
}

.privacy-content ul {
    margin: 12px 0;
    padding-left: 20px;
}

.privacy-content li {
    color: var(--text-muted);
    margin-bottom: 6px;
}

.privacy-content strong {
    color: var(--text);
    font-weight: 600;
}

.contacts {
    display: flex;
    gap: 48px;
}

.contact-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.contact a {
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
}

.contact a:hover {
    color: var(--text-muted);
}

@media (max-width: 480px) {
    .contacts {
        flex-direction: column;
        gap: 24px;
    }
}

footer {
    padding: 32px 0;
    text-align: center;
}

footer p {
    font-size: 13px;
    color: var(--text-muted);
}