:root {
    --bg-midnight: #0b1121;
    --bg-card: #1e293b;
    --accent-red: #ef4444;
    --accent-red-hover: #dc2626;
    --text-head: #f8fafc;
    --text-body: #94a3b8;
    --max-width: 1200px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-midnight);
    color: var(--text-body);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1, h2, h3 {
    color: var(--text-head);
    font-weight: 800;
    margin-top: 0;
    line-height: 1.2;
}

a {
    text-decoration: none;
}

/* ── Header ─────────────────────────────────────────── */
.page-header {
    text-align: center;
    padding: 50px 20px 30px;
    position: relative;
}

.logo-small {
    height: 45px;
    margin-bottom: 24px;
    filter: drop-shadow(0px 4px 6px rgba(0, 0, 0, 0.3));
    display: inline-block;
}

.page-header h1 {
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
    font-weight: 900;
}

.page-header p {
    font-size: 1rem;
    color: var(--text-body);
    max-width: 520px;
    margin: 0 auto;
}

/* ── Back button ─────────────────────────────────────── */
.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-body);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.2s;
    position: absolute;
    top: 50px;
    left: 30px;
}

.back-btn:hover {
    color: var(--accent-red);
}

/* ── Language switch ─────────────────────────────────── */
.lang-switch {
    position: absolute;
    top: 50px;
    right: 30px;
    display: flex;
    gap: 10px;
    background: rgba(11, 17, 33, 0.6);
    padding: 8px 15px;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
}

.lang-switch a {
    color: #fff;
    font-weight: 700;
    font-size: 0.9rem;
    opacity: 0.5;
    transition: all 0.3s;
}

.lang-switch a.active {
    opacity: 1;
    color: var(--accent-red);
}

.lang-switch a:hover:not(.active) {
    opacity: 0.8;
}

/* ── Main container ──────────────────────────────────── */
.contact-wrapper {
    flex: 1;
    width: 90%;
    max-width: 700px;
    margin: 0 auto;
    padding: 0 0 80px;
}

/* ── Tab switcher ────────────────────────────────────── */
.form-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 32px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.tab-btn {
    flex: 1;
    padding: 14px 20px;
    background: var(--bg-card);
    color: var(--text-body);
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
    transition: all 0.25s;
    border-bottom: 2px solid transparent;
}

.tab-btn:first-child {
    border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.tab-btn.active {
    background: rgba(239, 68, 68, 0.08);
    color: var(--text-head);
    border-bottom-color: var(--accent-red);
}

.tab-btn:hover:not(.active) {
    color: var(--text-head);
    background: rgba(255, 255, 255, 0.04);
}

/* ── Form panels ─────────────────────────────────────── */
.form-panel {
    display: none;
}

.form-panel.active {
    display: block;
}

/* ── Form card ───────────────────────────────────────── */
.form-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 36px 40px;
}

.form-card h2 {
    font-size: 1.3rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 6px;
}

.form-card .form-subtitle {
    font-size: 0.9rem;
    color: var(--text-body);
    margin-bottom: 28px;
}

/* ── Field groups ────────────────────────────────────── */
.field-group {
    margin-bottom: 20px;
}

.field-group label {
    display: block;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-body);
    margin-bottom: 8px;
}

.field-group label .optional {
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
    font-size: 0.78rem;
    opacity: 0.6;
    margin-left: 4px;
}

.field-group input,
.field-group textarea,
.field-group input[type="date"] {
    width: 100%;
    background: rgba(11, 17, 33, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    color: var(--text-head);
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    padding: 12px 16px;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
    -webkit-appearance: none;
}

.field-group input::placeholder,
.field-group textarea::placeholder {
    color: rgba(148, 163, 184, 0.4);
}

.field-group input:focus,
.field-group textarea:focus {
    border-color: var(--accent-red);
    box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.15);
}

.field-group input[type="date"] {
    color-scheme: dark;
}

.field-group input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(0.5);
    cursor: pointer;
}

.field-group select {
    width: 100%;
    background: rgba(11, 17, 33, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    color: var(--text-head);
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    padding: 12px 16px;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394a3b8' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.field-group select:focus {
    border-color: var(--accent-red);
    box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.15);
}

.field-group select option {
    background: #1e293b;
    color: var(--text-head);
}

.field-group select.placeholder-shown {
    color: rgba(148, 163, 184, 0.4);
}

.field-group textarea {
    resize: vertical;
    min-height: 110px;
}

/* ── Date hint ───────────────────────────────────────── */
.date-hint {
    margin-top: 6px;
    font-size: 0.78rem;
    color: rgba(148, 163, 184, 0.5);
}

/* ── Submit button ───────────────────────────────────── */
.submit-btn {
    display: inline-block;
    width: 100%;
    background-color: var(--accent-red);
    color: white;
    padding: 15px 30px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    border-radius: 4px;
    border: 1px solid var(--accent-red);
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 8px;
}

.submit-btn:hover {
    background-color: transparent;
    color: var(--accent-red);
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.4);
}

/* ── Success message ─────────────────────────────────── */
.success-msg {
    display: none;
    text-align: center;
    padding: 40px 20px;
}

.success-msg .checkmark {
    font-size: 3rem;
    margin-bottom: 16px;
}

.success-msg h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.success-msg p {
    font-size: 0.9rem;
    color: var(--text-body);
}

/* ── Footer ──────────────────────────────────────────── */
footer {
    text-align: center;
    padding: 25px;
    font-size: 0.75rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: #64748b;
}

footer a {
    color: #64748b;
    transition: color 0.2s;
}

footer a:hover {
    color: var(--text-body);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    width: 90%;
    max-width: var(--max-width);
    margin: 0 auto;
}

.legal-links {
    display: flex;
    gap: 20px;
}

/* ── Name row (two columns) ──────────────────────────── */
.name-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}

.name-row .field-group {
    margin-bottom: 0;
}

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 600px) {
    .back-btn {
        top: 20px;
        left: 20px;
        font-size: 0.72rem;
    }

    .lang-switch {
        top: 20px;
        right: 20px;
    }

    .page-header {
        padding: 70px 20px 24px;
    }

    .form-card {
        padding: 24px 20px;
    }

    .name-row {
        grid-template-columns: 1fr;
    }

    .form-tabs {
        flex-direction: column;
    }

    .tab-btn:first-child {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-content {
        flex-direction: column;
        gap: 8px;
    }
}