/**
 * Nexorion Core — Frontend Form Stilleri
 * Başvuru formu: dark mode, teknolojik, premium tasarım
 */

/* ─── Import Font ─────────────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ─── CSS Custom Properties ───────────────────────────────────────────────── */
.nx-join-wrapper {
    --nx-bg:           #090e1a;
    --nx-bg-card:      #0d1426;
    --nx-bg-input:     #111827;
    --nx-border:       #1e2d4a;
    --nx-border-focus: #3b82f6;
    --nx-accent:       #3b82f6;
    --nx-accent-glow:  rgba(59, 130, 246, 0.35);
    --nx-accent-2:     #8b5cf6;
    --nx-text:         #e2e8f0;
    --nx-text-muted:   #64748b;
    --nx-text-dim:     #94a3b8;
    --nx-success:      #10b981;
    --nx-success-bg:   rgba(16, 185, 129, 0.1);
    --nx-error:        #ef4444;
    --nx-error-bg:     rgba(239, 68, 68, 0.1);
    --nx-radius:       12px;
    --nx-radius-sm:    8px;
    --nx-font:         'Space Grotesk', system-ui, sans-serif;
    --nx-font-mono:    'JetBrains Mono', monospace;
    --nx-transition:   0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── Wrapper ─────────────────────────────────────────────────────────────── */
.nx-join-wrapper {
    max-width: 860px;
    margin: 3rem auto;
    font-family: var(--nx-font);
    color: var(--nx-text);
    background: var(--nx-bg);
    border: 1px solid var(--nx-border);
    border-radius: 20px;
    overflow: hidden;
    box-shadow:
        0 0 0 1px rgba(59, 130, 246, 0.08),
        0 25px 60px rgba(0, 0, 0, 0.6);
}

/* ─── Header ──────────────────────────────────────────────────────────────── */
.nx-join-header {
    background: linear-gradient(135deg, #0d1426 0%, #111827 50%, #0f172a 100%);
    border-bottom: 1px solid var(--nx-border);
    padding: 3rem 2.5rem 2.5rem;
    position: relative;
    overflow: hidden;
}

.nx-join-header::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -60px;
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.nx-join-header::after {
    content: '';
    position: absolute;
    bottom: -80px;
    left: -40px;
    width: 220px;
    height: 220px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.nx-join-badge {
    display: inline-block;
    font-family: var(--nx-font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--nx-accent);
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    padding: 4px 12px;
    border-radius: 50px;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.nx-join-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin: 0 0 0.75rem;
    background: linear-gradient(135deg, #ffffff 0%, #94a3b8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.nx-join-subtitle {
    font-size: 1rem;
    color: var(--nx-text-dim);
    margin: 0;
    line-height: 1.6;
}

.nx-motto {
    display: inline-block;
    margin-top: 0.5rem;
    font-family: var(--nx-font-mono);
    font-size: 0.85rem;
    color: var(--nx-accent);
    letter-spacing: 0.02em;
}

/* ─── Form ────────────────────────────────────────────────────────────────── */
.nx-form {
    padding: 2.5rem;
}

.nx-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

/* ─── Field ───────────────────────────────────────────────────────────────── */
.nx-field {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nx-field--full {
    grid-column: 1 / -1;
}

/* ─── Label ───────────────────────────────────────────────────────────────── */
.nx-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--nx-text-dim);
    letter-spacing: 0.03em;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.nx-label-icon {
    color: var(--nx-accent);
    font-size: 0.7rem;
}

.nx-required {
    color: var(--nx-accent-2);
    font-size: 0.8rem;
}

/* ─── Input & Select & Textarea ───────────────────────────────────────────── */
.nx-input,
.nx-select,
.nx-textarea {
    width: 100%;
    box-sizing: border-box;
    background: var(--nx-bg-input);
    border: 1.5px solid var(--nx-border);
    border-radius: var(--nx-radius-sm);
    padding: 0.75rem 1rem;
    font-family: var(--nx-font);
    font-size: 0.95rem;
    color: var(--nx-text);
    outline: none;
    transition:
        border-color var(--nx-transition),
        box-shadow var(--nx-transition),
        background var(--nx-transition);
    -webkit-appearance: none;
    appearance: none;
}

.nx-input::placeholder,
.nx-textarea::placeholder {
    color: var(--nx-text-muted);
    font-size: 0.88rem;
}

.nx-input:hover,
.nx-select:hover,
.nx-textarea:hover {
    border-color: #2d3f5c;
}

.nx-input:focus,
.nx-select:focus,
.nx-textarea:focus {
    border-color: var(--nx-border-focus);
    box-shadow: 0 0 0 3px var(--nx-accent-glow);
    background: #0c1220;
}

/* Select arrow */
.nx-select {
    cursor: pointer;
    padding-right: 2.5rem;
    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 fill='%2364748b' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

.nx-select option {
    background: #111827;
    color: var(--nx-text);
}

/* Textarea */
.nx-textarea {
    resize: vertical;
    min-height: 130px;
    line-height: 1.6;
}

/* ─── Form Footer / Submit ────────────────────────────────────────────────── */
.nx-form-footer {
    margin-top: 2rem;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.nx-btn-submit {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.85rem 2rem;
    background: linear-gradient(135deg, var(--nx-accent) 0%, var(--nx-accent-2) 100%);
    border: none;
    border-radius: var(--nx-radius-sm);
    color: #fff;
    font-family: var(--nx-font);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition:
        transform var(--nx-transition),
        box-shadow var(--nx-transition),
        opacity var(--nx-transition);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.02em;
}

.nx-btn-submit::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.1) 100%);
    opacity: 0;
    transition: opacity var(--nx-transition);
}

.nx-btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.45);
}

.nx-btn-submit:hover::before {
    opacity: 1;
}

.nx-btn-submit:active {
    transform: translateY(0);
}

.nx-btn-submit:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    transform: none;
}

.nx-btn-icon {
    font-size: 1.1rem;
    transition: transform var(--nx-transition);
}

.nx-btn-submit:hover .nx-btn-icon {
    transform: translateX(4px);
}

/* ─── Spinner ─────────────────────────────────────────────────────────────── */
.nx-spinner {
    animation: nx-spin 0.8s linear infinite;
    width: 18px;
    height: 18px;
}

.nx-spinner circle {
    stroke: #fff;
    stroke-linecap: round;
    stroke-dasharray: 80;
    stroke-dashoffset: 60;
}

@keyframes nx-spin {
    to { transform: rotate(360deg); }
}

/* ─── Form Message ────────────────────────────────────────────────────────── */
.nx-form-message {
    margin-top: 1.5rem;
    padding: 1rem 1.25rem;
    border-radius: var(--nx-radius-sm);
    font-size: 0.95rem;
    font-weight: 500;
    line-height: 1.5;
    animation: nx-slide-in 0.3s ease;
}

.nx-form-message.success {
    background: var(--nx-success-bg);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #34d399;
}

.nx-form-message.error {
    background: var(--nx-error-bg);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #f87171;
}

@keyframes nx-slide-in {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ─── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
    .nx-form-grid {
        grid-template-columns: 1fr;
    }

    .nx-field--full {
        grid-column: auto;
    }

    .nx-join-header {
        padding: 2rem 1.5rem 1.75rem;
    }

    .nx-form {
        padding: 1.75rem 1.5rem;
    }

    .nx-btn-submit {
        width: 100%;
        justify-content: center;
    }
}