/* ============================================================
   CONTACT.CSS — Contact Me Page
   Benjamin Yew's Portfolio
   ============================================================ */

#contact {
    background-color: var(--bg-primary);
    min-height: calc(100vh - 70px);
    padding-bottom: 100px;
}

/* ── Banner ── */
.contact-banner {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 60%, #0f172a 100%);
    border-bottom: 1px solid var(--border);
    padding: 72px 0 56px;
    position: relative;
    overflow: hidden;
}

.contact-banner::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.07) 0%, transparent 70%);
    top: -100px;
    right: 10%;
    pointer-events: none;
}

.contact-banner-mono {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--accent);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.contact-banner-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 14px;
    line-height: 1.2;
}

.contact-banner-sub {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 480px;
    line-height: 1.8;
    margin-bottom: 0;
}

/* ── Body ── */
.contact-body {
    padding-top: 64px;
}

/* ── Grid ── */
.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 48px;
    align-items: start;
}

/* ── Alerts ── */
.contact-alert {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 24px;
    font-size: 0.9rem;
}

.contact-alert i {
    font-size: 1.2rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-alert-success {
    background: rgba(34, 197, 94, 0.08);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #22c55e;
}

.contact-alert-error {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

.alert-title {
    font-weight: 600;
    margin-bottom: 4px;
}

.alert-desc {
    font-size: 0.85rem;
    opacity: 0.85;
    line-height: 1.5;
}

/* ── Form ── */
.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.required {
    color: var(--accent);
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: var(--font-main);
    transition: var(--transition);
    outline: none;
}

.form-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.1);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-input.invalid {
    border-color: #ef4444;
}

/* ── Salutation Radio Group ── */
.salutation-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.salutation-option {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.salutation-option input[type="radio"] {
    display: none;
}

.salutation-option span {
    padding: 8px 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    transition: var(--transition);
    cursor: pointer;
    user-select: none;
}

.salutation-option input[type="radio"]:checked + span {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(56, 189, 248, 0.08);
}

.salutation-option span:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ── Field Errors ── */
.field-error {
    font-size: 0.78rem;
    color: #ef4444;
    margin-top: 6px;
    display: none;
}

.field-error.visible {
    display: block;
}

/* ── Submit Button ── */
.contact-submit {
    width: 100%;
    padding: 14px 32px;
    background: var(--accent);
    color: var(--bg-primary);
    border: 2px solid var(--accent);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-main);
}

.contact-submit:hover {
    background: transparent;
    color: var(--accent);
    box-shadow: var(--shadow-accent);
}

.contact-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ── Info Card ── */
.contact-info {
    position: sticky;
    top: 90px;
}

.contact-info-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 32px;
}

.contact-info-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.contact-info-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 28px;
}

/* ── Contact Links ── */
.contact-links {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 28px;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    text-decoration: none;
}

.contact-link:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-accent);
}

.contact-link i {
    font-size: 1.2rem;
    color: var(--accent);
    flex-shrink: 0;
}

.link-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
}

.link-value {
    font-size: 0.88rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* ── Status ── */
.contact-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #22c55e;
    flex-shrink: 0;
    animation: pulse-green 2s ease-in-out infinite;
}

@keyframes pulse-green {
    0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
    50%       { box-shadow: 0 0 0 5px rgba(34, 197, 94, 0); }
}

/* ── Scroll Reveal ── */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── Responsive ── */
@media (max-width: 900px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .contact-info {
        position: static;
    }
}

@media (max-width: 480px) {
    .contact-banner { padding: 48px 0 40px; }
    .salutation-group { gap: 8px; }
}