/**
 * НТК-Снаб - UI Компоненты
 * Кнопки, карточки, формы и другие элементы
 */

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    text-align: center;
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
    cursor: pointer;
    border: 2px solid transparent;
    text-decoration: none;
    white-space: nowrap;
}

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

/* Primary Button - Лаймовый акцент */
.btn-primary {
    background: var(--gradient-accent);
    color: var(--color-primary-dark);
    border-color: var(--color-accent);
    box-shadow: 0 4px 15px rgba(164, 198, 57, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

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

/* Secondary Button - Контурный */
.btn-secondary {
    background: transparent;
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.btn-secondary:hover {
    background: var(--color-accent);
    color: var(--color-primary-dark);
}

/* Dark Button */
.btn-dark {
    background: var(--gradient-primary);
    color: var(--color-cream);
    border-color: var(--color-primary);
}

.btn-dark:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Light Button */
.btn-light {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-cream);
    border-color: rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(var(--blur-sm));
}

.btn-light:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

/* Button Sizes */
.btn-sm {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: var(--spacing-5) var(--spacing-10);
    font-size: var(--font-size-lg);
}

.btn-xl {
    padding: var(--spacing-6) var(--spacing-12);
    font-size: var(--font-size-xl);
}

/* Full Width Button */
.btn-block {
    width: 100%;
}

/* Button with Icon */
.btn svg,
.btn img {
    width: 20px;
    height: 20px;
}

/* ============================================
   Cards
   ============================================ */
.card {
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* Dark Card */
.card-dark {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(var(--blur-md));
}

.card-dark:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(164, 198, 57, 0.3);
}

/* Glass Card */
.card-glass {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(var(--blur-lg));
    border: 1px solid rgba(255, 255, 255, 0.5);
}

/* Service Card */
.service-card {
    position: relative;
    padding: var(--spacing-10);
    text-align: center;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-accent);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card .icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-6);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-alt);
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
}

.service-card:hover .icon {
    background: var(--color-accent);
    transform: scale(1.1);
}

.service-card .icon svg,
.service-card .icon img {
    width: 40px;
    height: 40px;
    transition: filter var(--transition-normal);
}

.service-card:hover .icon svg,
.service-card:hover .icon img {
    filter: brightness(0);
}

.service-card h3 {
    margin-bottom: var(--spacing-4);
    font-size: var(--font-size-xl);
}

.service-card p {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-6);
}

/* ============================================
   Hexagon Elements
   ============================================ */
.hexagon {
    position: relative;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hexagon::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--color-primary);
    border-radius: var(--radius-xl);
}

.hexagon-accent::before {
    background: var(--gradient-accent);
}

.hexagon-outline::before {
    background: transparent;
    border: 3px solid var(--color-accent);
}

.hexagon-dark::before {
    background: rgba(26, 58, 42, 0.8);
    border: 2px solid rgba(164, 198, 57, 0.3);
}

.hexagon-sm {
    width: 60px;
    height: 60px;
}

.hexagon-lg {
    width: 140px;
    height: 140px;
}

.hexagon-icon {
    position: relative;
    z-index: 1;
    width: 40px;
    height: 40px;
}

/* ============================================
   Feature Cards
   ============================================ */
.feature-card {
    display: flex;
    gap: var(--spacing-6);
    padding: var(--spacing-6);
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-md);
}

.feature-card .feature-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--radius-lg);
}

.feature-card .feature-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-accent);
}

.feature-card h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-2);
}

.feature-card p {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

/* ============================================
   Stats Counter
   ============================================ */
.stat-item {
    text-align: center;
    padding: var(--spacing-6);
}

.stat-number {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: var(--spacing-2);
}

.stat-label {
    font-size: var(--font-size-base);
    color: var(--color-cream);
    opacity: 0.8;
}

/* ============================================
   Forms
   ============================================ */
.form-group {
    margin-bottom: var(--spacing-6);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-2);
    color: var(--color-text);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--spacing-4) var(--spacing-5);
    font-size: var(--font-size-base);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    background: var(--color-bg);
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 4px var(--color-accent-glow);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-gray-500);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

/* Dark Form */
.form-dark .form-input,
.form-dark .form-textarea {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--color-cream);
}

.form-dark .form-input::placeholder,
.form-dark .form-textarea::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.form-dark .form-input:focus,
.form-dark .form-textarea:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-accent);
}

.form-dark .form-label {
    color: var(--color-cream);
}

/* Error State */
.form-input.error,
.form-textarea.error {
    border-color: var(--color-error);
}

.form-error {
    font-size: var(--font-size-sm);
    color: var(--color-error);
    margin-top: var(--spacing-2);
}

/* ============================================
   Badges
   ============================================ */
.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
}

.badge-accent {
    background: var(--color-accent);
    color: var(--color-primary-dark);
}

.badge-dark {
    background: var(--color-primary);
    color: var(--color-cream);
}

.badge-success {
    background: var(--color-success);
    color: white;
}

.badge-warning {
    background: var(--color-warning);
    color: var(--color-gray-900);
}

.badge-error {
    background: var(--color-error);
    color: white;
}

/* ============================================
   Process Steps
   ============================================ */
.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-8);
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent) 0%, rgba(164, 198, 57, 0.2) 100%);
}

.process-step {
    text-align: center;
    position: relative;
    z-index: 1;
}

.process-step-number {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-6);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border: 3px solid var(--color-accent);
    border-radius: 50%;
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-accent);
    box-shadow: var(--shadow-glow);
}

.process-step h4 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-3);
}

.process-step p {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: 0;
}

@media (max-width: 1024px) {
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-steps::before {
        display: none;
    }
}

@media (max-width: 640px) {
    .process-steps {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Testimonial Card
   ============================================ */
.testimonial-card {
    padding: var(--spacing-8);
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    position: relative;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: var(--spacing-4);
    left: var(--spacing-6);
    font-size: 6rem;
    font-family: Georgia, serif;
    color: var(--color-accent);
    opacity: 0.2;
    line-height: 1;
}

.testimonial-text {
    font-size: var(--font-size-lg);
    font-style: italic;
    margin-bottom: var(--spacing-6);
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.testimonial-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--color-accent);
}

.testimonial-name {
    font-weight: var(--font-weight-semibold);
}

.testimonial-position {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* ============================================
   Alert Messages
   ============================================ */
.alert {
    padding: var(--spacing-4) var(--spacing-6);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-6);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-4);
}

.alert-success {
    background: rgba(40, 167, 69, 0.1);
    border: 1px solid var(--color-success);
    color: var(--color-success);
}

.alert-error {
    background: rgba(220, 53, 69, 0.1);
    border: 1px solid var(--color-error);
    color: var(--color-error);
}

.alert-warning {
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid var(--color-warning);
    color: var(--color-gray-800);
}

.alert-info {
    background: rgba(23, 162, 184, 0.1);
    border: 1px solid var(--color-info);
    color: var(--color-info);
}

/* ============================================
   Loading Spinner
   ============================================ */
.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid rgba(164, 198, 57, 0.3);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.spinner-sm {
    width: 16px;
    height: 16px;
    border-width: 2px;
}

.spinner-lg {
    width: 40px;
    height: 40px;
    border-width: 4px;
}

/* ============================================
   Links
   ============================================ */
.link {
    color: var(--color-accent);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: all var(--transition-fast);
}

.link:hover {
    color: var(--color-accent-dark);
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-2);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
}

.link-arrow::after {
    content: '→';
    transition: transform var(--transition-fast);
}

.link-arrow:hover::after {
    transform: translateX(4px);
}

/* ============================================
   Dropdown Icon
   ============================================ */
.dropdown-icon {
    width: 80px;
    height: 80px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dropdown-icon::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(26, 58, 42, 0.6);
    border: 2px solid rgba(164, 198, 57, 0.4);
    border-radius: var(--radius-xl);
    transition: all var(--transition-normal);
}

.dropdown-icon:hover::before {
    background: var(--color-primary);
    border-color: var(--color-accent);
}

.dropdown-icon svg,
.dropdown-icon img {
    position: relative;
    z-index: 1;
    width: 36px;
    height: 36px;
}