:root {
    --surface-0: #05070C;
    --surface-1: #0A0D12;
    --surface-2: #0F131C;
    --surface-3: #161D2B;
    --surface-4: #1E2636;
    --accent: #38BDF8;
    --accent-muted: #1E3A52;
    --text-primary: #E5E7EB;
    --text-secondary: #9CA3AF;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--surface-0);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: clamp(1rem, 4vw, 3rem) clamp(1rem, 4vw, 2rem);
}

header {
    text-align: center;
    margin-bottom: clamp(2rem, 6vw, 4rem);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--accent), #6EE7B7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    color: var(--text-secondary);
}

.form-card {
    background: var(--surface-2);
    border-radius: 16px;
    padding: clamp(1.5rem, 4vw, 3rem);
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.required::after {
    content: " *";
    color: #EF4444;
}

input, select, textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--surface-3);
    border: 1px solid transparent;
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.2s;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--surface-4);
}

textarea {
    min-height: 100px;
    resize: vertical;
}

button {
    width: 100%;
    padding: 1rem;
    background: var(--accent);
    color: var(--surface-0);
    border: none;
    border-radius: 999px;
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

button:hover {
    background: #0EA5E9;
    transform: translateY(-1px);
}

button:active {
    transform: translateY(0);
}

.message {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    display: none;
}

.message.success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid #10B981;
    color: #6EE7B7;
}

.message.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid #EF4444;
    color: #FCA5A5;
}

footer {
    text-align: center;
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--surface-3);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

footer a {
    color: var(--accent);
    text-decoration: none;
}

@media (max-width: 768px) {
    .container {
        padding: 1.5rem 1rem;
    }
}