/* ========================================
   PRABHAKTECH UI COMPONENTS
   Reusable Components for Modern Web Design
   ======================================== */

/* ========================================
   NAVIGATION BAR
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-sticky);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.navbar.transparent {
    background-color: transparent;
    box-shadow: none;
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    max-width: var(--container-xl);
    margin: 0 auto;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-primary);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary-700);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.navbar-logo:hover {
    color: var(--color-primary-800);
}

.navbar-logo img {
    height: 40px;
    width: auto;
}

.navbar-menu {
    display: none;
    align-items: center;
    gap: var(--space-8);
    list-style: none;
}

.navbar-menu.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: white;
    padding: var(--space-6);
    box-shadow: var(--shadow-lg);
}

.navbar-item {
    position: relative;
}

.navbar-link {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    text-decoration: none;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
    display: block;
}

.navbar-link:hover {
    color: var(--color-primary-600);
    background-color: var(--color-primary-100);
}

.navbar-link.active {
    color: var(--color-primary-600);
    font-weight: var(--font-weight-semibold);
}

/* Dropdown Menu */
.navbar-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background-color: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--space-3);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-base);
    z-index: var(--z-dropdown);
}

.navbar-item:hover .navbar-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.navbar-dropdown-item {
    list-style: none;
}

.navbar-dropdown-link {
    display: block;
    padding: var(--space-3) var(--space-4);
    color: var(--color-text-primary);
    text-decoration: none;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
    font-size: var(--font-size-sm);
}

.navbar-dropdown-link:hover {
    background-color: var(--color-primary-100);
    color: var(--color-primary-600);
}

/* Mobile Menu Toggle */
.navbar-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

.navbar-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-primary-700);
    border-radius: var(--border-radius-full);
    transition: all var(--transition-base);
}

.navbar-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.navbar-toggle.active span:nth-child(2) {
    opacity: 0;
}

.navbar-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

@media (min-width: 1024px) {
    .navbar-menu {
        display: flex;
        flex-direction: row;
    }

    .navbar-toggle {
        display: none;
    }
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    padding: var(--space-4) var(--space-8);
    border-radius: var(--border-radius-lg);
    border: var(--border-width-medium) solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Button Variants */
.btn-primary {
    background-color: var(--color-primary-600);
    color: white;
    border-color: var(--color-primary-600);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-700);
    border-color: var(--color-primary-700);
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

.btn-accent {
    background-color: var(--color-accent-700);
    color: white;
    border-color: var(--color-accent-700);
}

.btn-accent:hover:not(:disabled) {
    background-color: var(--color-accent-800);
    border-color: var(--color-accent-800);
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

.btn-safety {
    background-color: var(--color-safety-700);
    color: white;
    border-color: var(--color-safety-700);
}

.btn-safety:hover:not(:disabled) {
    background-color: var(--color-safety-800);
    border-color: var(--color-safety-800);
    transform: translateY(-2px);
    box-shadow: var(--shadow-safety);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary-600);
    border-color: var(--color-primary-600);
}

.btn-outline:hover:not(:disabled) {
    background-color: var(--color-primary-600);
    color: white;
}

.btn-ghost {
    background-color: transparent;
    color: var(--color-primary-600);
    border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
    background-color: var(--color-primary-100);
}

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

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

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

/* Button with Icon */
.btn-icon {
    padding: var(--space-3);
    border-radius: var(--border-radius-full);
}

/* ========================================
   CARDS
   ======================================== */
.card {
    background-color: white;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-body {
    padding: var(--space-6);
}

.card-title {
    font-family: var(--font-primary);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-3);
}

.card-description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-4);
}

.card-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-neutral-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Product Card */
.product-card {
    position: relative;
    background: linear-gradient(135deg, var(--color-neutral-50) 0%, white 100%);
    border: 1px solid var(--color-neutral-200);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary-600), var(--color-accent-700));
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

.product-card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-700));
    border-radius: var(--border-radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
    box-shadow: var(--shadow-primary);
}

.product-card-icon svg,
.product-card-icon img {
    width: 32px;
    height: 32px;
    color: white;
}

/* Feature Card */
.feature-card {
    text-align: center;
    padding: var(--space-8);
    background-color: white;
    border: 2px solid var(--color-neutral-100);
    transition: all var(--transition-base);
}

.feature-card:hover {
    border-color: var(--color-primary-600);
    background-color: var(--color-primary-50);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-4);
    background: linear-gradient(135deg, var(--color-accent-700), var(--color-accent-800));
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Testimonial Card */
.testimonial-card {
    background-color: var(--color-neutral-50);
    border-left: 4px solid var(--color-primary-600);
    padding: var(--space-6);
}

.testimonial-quote {
    font-size: var(--font-size-lg);
    font-style: italic;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
    line-height: var(--line-height-relaxed);
}

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

.testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-full);
    object-fit: cover;
}

.testimonial-info h4 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-1);
}

.testimonial-info p {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    margin: 0;
}

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

.form-label {
    display: block;
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.form-label.required::after {
    content: '*';
    color: var(--color-error);
    margin-left: var(--space-1);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-4);
    font-family: var(--font-secondary);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background-color: white;
    border: var(--border-width-medium) solid var(--color-neutral-300);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary-600);
    box-shadow: 0 0 0 3px rgba(10, 36, 99, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-neutral-400);
}

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

.form-input.error,
.form-textarea.error,
.form-select.error {
    border-color: var(--color-error);
}

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

.form-help {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    margin-top: var(--space-2);
}

/* Checkbox & Radio */
.form-checkbox,
.form-radio {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    cursor: pointer;
}

.form-checkbox input,
.form-radio input {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background-color: var(--color-primary-900);
    color: var(--color-neutral-300);
    padding: var(--space-20) 0 var(--space-8);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-section h3 {
    color: white;
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-4);
}

.footer-section p {
    color: var(--color-neutral-300);
    line-height: var(--line-height-relaxed);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-3);
}

.footer-links a {
    color: var(--color-neutral-300);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-accent-700);
}

.footer-social {
    display: flex;
    gap: var(--space-4);
    margin-top: var(--space-4);
}

.footer-social a {
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background-color: var(--color-accent-700);
    transform: translateY(-3px);
}

.footer-bottom {
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: var(--color-neutral-400);
    font-size: var(--font-size-sm);
}

@media (min-width: 768px) {
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-content {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

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

.badge-primary {
    background-color: var(--color-primary-100);
    color: var(--color-primary-700);
}

.badge-accent {
    background-color: var(--color-accent-200);
    color: var(--color-accent-900);
}

.badge-safety {
    background-color: var(--color-safety-300);
    color: var(--color-safety-900);
}

.badge-success {
    background-color: #D1FAE5;
    color: #065F46;
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    padding: var(--space-32) 0;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-primary-900) 0%, var(--color-primary-700) 100%);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(251, 133, 0, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(6, 214, 160, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-title {
    color: white;
    font-size: var(--font-size-6xl);
    line-height: var(--line-height-tight);
    margin-bottom: var(--space-6);
    animation: fadeInUp 0.8s var(--ease-out);
}

.hero-subtitle {
    color: var(--color-neutral-200);
    font-size: var(--font-size-xl);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-8);
    animation: fadeInUp 1s var(--ease-out);
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
    animation: fadeInUp 1.2s var(--ease-out);
}

/* ========================================
   SECTION HEADERS
   ======================================== */
.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--space-16);
}

.section-subtitle {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary-600);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wider);
    margin-bottom: var(--space-3);
}

.section-title {
    font-size: var(--font-size-4xl);
    color: var(--color-text-primary);
    margin-bottom: var(--space-4);
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

/* ========================================
   STATS SECTION
   ======================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-8);
}

.stat-item {
    text-align: center;
    padding: var(--space-6);
}

.stat-number {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary-600);
    line-height: 1;
    margin-bottom: var(--space-2);
}

.stat-label {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
}

/* ========================================
   CTA SECTION
   ======================================== */
.cta-section {
    background: linear-gradient(135deg, var(--color-primary-700) 0%, var(--color-primary-900) 100%);
    color: white;
    padding: var(--space-24) 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(251, 133, 0, 0.2) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-title {
    color: white;
    font-size: var(--font-size-4xl);
    margin-bottom: var(--space-6);
}

.cta-description {
    color: var(--color-neutral-200);
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   LOADING SPINNER
   ======================================== */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--color-neutral-200);
    border-top-color: var(--color-primary-600);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ========================================
   ALERT/NOTIFICATION
   ======================================== */
.alert {
    padding: var(--space-4) var(--space-6);
    border-radius: var(--border-radius-lg);
    border-left: 4px solid;
    margin-bottom: var(--space-4);
}

.alert-success {
    background-color: #D1FAE5;
    border-color: var(--color-success);
    color: #065F46;
}

.alert-error {
    background-color: #FEE2E2;
    border-color: var(--color-error);
    color: #991B1B;
}

.alert-warning {
    background-color: #FEF3C7;
    border-color: var(--color-warning);
    color: #92400E;
}

.alert-info {
    background-color: #DBEAFE;
    border-color: var(--color-info);
    color: #1E40AF;
}

/* ========================================
   BACK TO TOP BUTTON
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-700));
    color: white;
    border: none;
    border-radius: var(--border-radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    transition: all var(--transition-base);
    z-index: 999;
    animation: fadeIn 0.3s ease-in-out;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(10, 36, 99, 0.3);
}

.back-to-top:active {
    transform: translateY(-2px);
}

/* ========================================
   WHATSAPP FLOATING BUTTON
   ======================================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: white;
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all var(--transition-base);
    z-index: 1000;
    text-decoration: none;
    animation: fadeIn 0.5s ease-in-out, pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-float:active {
    transform: scale(1.05);
}

/* Pulse animation for WhatsApp button */
@keyframes pulse {
    0% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }

    50% {
        box-shadow: 0 4px 30px rgba(37, 211, 102, 0.7);
    }

    100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
}

/* Mobile adjustments */
@media (max-width: 768px) {
    .back-to-top {
        bottom: 90px;
        right: 20px;
        width: 45px;
        height: 45px;
    }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
    }
}