/* ============================================
   Contact Form Styles - Modern Design
   ============================================ */

/* Glass Card Container */
.glass {
    background: linear-gradient(145deg,
        rgba(255, 255, 255, 0.05) 0%,
        rgba(255, 255, 255, 0.02) 100%
    );
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: var(--space-6) var(--space-6) var(--space-4) var(--space-6);
    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(255, 255, 255, 0.05) inset;
    position: relative;
    overflow: hidden;
}

/* Decorative gradient orb */
.glass::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 300px;
    height: 300px;
    background: radial-gradient(
        circle,
        rgba(255, 77, 28, 0.15) 0%,
        transparent 70%
    );
    border-radius: 50%;
    filter: blur(60px);
    pointer-events: none;
    z-index: 0;
}

.glass::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 200px;
    height: 200px;
    background: radial-gradient(
        circle,
        rgba(255, 77, 28, 0.08) 0%,
        transparent 70%
    );
    border-radius: 50%;
    filter: blur(50px);
    pointer-events: none;
    z-index: 0;
}

/* Form positioning */
.glass form {
    position: relative;
    z-index: 1;
}

/* Form Groups */
.form-group {
    margin-bottom: var(--space-6);
    position: relative;
}

.form-group:last-of-type {
    margin-bottom: 0;
}

/* Icon for each input field */
.form-group {
    --icon-size: 20px;
}

.form-icon {
    position: absolute;
    left: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    width: var(--icon-size);
    height: var(--icon-size);
    color: var(--tertiary);
    transition: all var(--transition-base) var(--ease-out);
    pointer-events: none;
    z-index: 2;
}

/* Modern Input Styling */
.form-input {
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-4) var(--space-4) calc(var(--space-4) + var(--icon-size) + var(--space-4) + var(--space-3));
    font-family: var(--font-primary);
    font-size: var(--text-base);
    color: var(--primary);
    transition: all var(--transition-base) var(--ease-out);
    caret-color: var(--accent);
}

.form-input:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-hover);
}

.form-input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--accent);
    box-shadow:
        0 0 0 3px rgba(255, 77, 28, 0.1),
        0 4px 12px rgba(0, 0, 0, 0.2);
    transform: translateY(-1px);
}

.form-input:focus + .form-icon,
.form-group:focus-within .form-icon {
    color: var(--accent);
    transform: translateY(-50%) scale(1.1);
}

/* Placeholder styling */
.form-input::placeholder {
    color: var(--tertiary);
    transition: all var(--transition-base);
}

.form-input:focus::placeholder {
    opacity: 0.6;
    transform: translateX(4px);
}

/* Floating Label Effect */
.form-group {
    display: flex;
    flex-direction: column;
}

/* Submit Button - Enhanced */
form .btn {
    width: 100%;
    margin-top: 0;
    padding: var(--space-5) var(--space-8);
    font-size: var(--text-sm);
    font-weight: 600;
    letter-spacing: 0.08em;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

form .btn::before {
    background: linear-gradient(135deg, #ff4d1c 0%, #ff7b47 100%);
}

form .btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

form .btn:active::after {
    width: 300px;
    height: 300px;
}

form .btn:hover {
    transform: translateY(-2px);
    box-shadow:
        0 8px 24px rgba(255, 77, 28, 0.3),
        0 0 0 1px rgba(255, 77, 28, 0.2);
}

form .btn:active {
    transform: translateY(0);
}

/* Form Feedback Messages */
#form-feedback {
    margin-top: var(--space-4);
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    display: none;
    align-items: center;
    gap: var(--space-3);
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#form-feedback.success {
    display: flex;
    color: var(--success);
    background: rgba(0, 217, 126, 0.1);
    border: 1px solid rgba(0, 217, 126, 0.2);
}

#form-feedback.success::before {
    content: '✓';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: rgba(0, 217, 126, 0.2);
    border-radius: 50%;
    font-weight: 600;
    font-size: 12px;
}

#form-feedback.error {
    display: flex;
    color: var(--error);
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid rgba(255, 71, 87, 0.2);
}

#form-feedback.error::before {
    content: '✕';
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: rgba(255, 71, 87, 0.2);
    border-radius: 50%;
    font-weight: 600;
    font-size: 14px;
}

/* Validation States */
.form-input:valid:not(:placeholder-shown) {
    border-color: var(--success);
}

.form-input:invalid:not(:placeholder-shown):not(:focus) {
    border-color: var(--error);
}

/* Loading State */
form.loading .btn {
    pointer-events: none;
    opacity: 0.7;
}

form.loading .btn::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .glass {
        padding: var(--space-6);
        border-radius: var(--radius-lg);
    }

    .form-input {
        padding: var(--space-4) var(--space-4) var(--space-4) calc(var(--space-4) + var(--icon-size) + var(--space-2));
    }

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

/* Accessibility */
.form-input:focus-visible {
    outline: none;
    border-color: var(--accent);
    box-shadow:
        0 0 0 3px rgba(255, 77, 28, 0.1),
        0 0 0 6px rgba(255, 77, 28, 0.05);
}

/* Dark mode improvements */
@media (prefers-color-scheme: dark) {
    .form-input {
        background: rgba(255, 255, 255, 0.04);
    }

    .glass {
        background: linear-gradient(145deg,
            rgba(255, 255, 255, 0.06) 0%,
            rgba(255, 255, 255, 0.02) 100%
        );
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .form-input,
    .form-icon,
    .glass::before,
    .glass::after,
    #form-feedback {
        transition: none;
        animation: none;
    }
}