/* ==========================================================================
   SmartWeb Portal Theme Components
   ========================================================================== */

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    font-weight: 600;
    line-height: 1;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn:hover,
.btn:focus {
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-white);
}

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

.btn-secondary:hover {
    background: var(--color-secondary);
    border-color: var(--color-secondary);
    color: var(--color-white);
}

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

.btn-outline:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-white {
    background: var(--color-white);
    color: var(--color-gray-800);
    border-color: var(--color-white);
}

.btn-white:hover {
    background: var(--color-gray-100);
    color: var(--color-gray-900);
}

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

.btn-lg {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-lg);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* ==========================================================================
   Cards
   ========================================================================== */

.card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: all var(--transition-normal);
}

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

.card-header {
    padding: var(--spacing-6);
    border-bottom: 1px solid var(--color-gray-200);
}

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

.card-footer {
    padding: var(--spacing-6);
    border-top: 1px solid var(--color-gray-200);
    background: var(--color-gray-50);
}

/* ==========================================================================
   Forms
   ========================================================================== */

.form-group {
    margin-bottom: var(--spacing-6);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-weight: 600;
    color: var(--color-gray-700);
}

.form-control {
    display: block;
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-control:disabled {
    background-color: var(--color-gray-100);
    opacity: 0.6;
    cursor: not-allowed;
}

.form-control.error {
    border-color: var(--color-error);
}

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

select.form-control {
    cursor: pointer;
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal);
}

.site-header.sticky {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.main-navigation {
    padding: var(--spacing-4) 0;
}

.nav-wrapper {
    min-height: 60px;
}

.site-branding .site-title {
    margin: 0;
    font-size: var(--font-size-2xl);
    font-weight: 800;
}

.site-branding .site-title a {
    color: var(--color-gray-900);
}

.site-description {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.primary-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-8);
}

.primary-menu li {
    position: relative;
}

.primary-menu a {
    display: flex;
    align-items: center;
    padding: var(--spacing-3) 0;
    font-weight: 600;
    color: var(--color-gray-700);
    transition: color var(--transition-fast);
}

.primary-menu a:hover,
.primary-menu .active a {
    color: var(--color-primary);
}

/* Dropdown menus */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: var(--color-white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-gray-200);
    padding: var(--spacing-2) 0;
    display: none;
    z-index: 1001;
}

.dropdown-menu a {
    display: block;
    padding: var(--spacing-3) var(--spacing-4);
    color: var(--color-gray-700);
    font-weight: 500;
}

.dropdown-menu a:hover {
    background: var(--color-gray-50);
    color: var(--color-primary);
}

.dropdown-icon {
    font-size: 0.75em;
    margin-left: var(--spacing-1);
    transition: transform var(--transition-fast);
}

.dropdown:hover .dropdown-icon {
    transform: rotate(180deg);
}

/* Header actions */
.header-actions {
    gap: var(--spacing-4);
}

.btn-login {
    padding: var(--spacing-2) var(--spacing-4);
    font-weight: 600;
    color: var(--color-gray-700);
    transition: color var(--transition-fast);
}

.btn-login:hover {
    color: var(--color-primary);
}

/* Mobile menu */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-2);
}

.hamburger {
    display: block;
    width: 24px;
    height: 18px;
    position: relative;
}

.hamburger span {
    display: block;
    position: absolute;
    height: 2px;
    width: 100%;
    background: var(--color-gray-800);
    border-radius: 1px;
    opacity: 1;
    left: 0;
    transform: rotate(0deg);
    transition: all var(--transition-fast);
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 8px; }
.hamburger span:nth-child(3) { top: 16px; }

.mobile-menu-toggle.active .hamburger span:nth-child(1) {
    top: 8px;
    transform: rotate(135deg);
}

.mobile-menu-toggle.active .hamburger span:nth-child(2) {
    opacity: 0;
    left: -60px;
}

.mobile-menu-toggle.active .hamburger span:nth-child(3) {
    top: 8px;
    transform: rotate(-135deg);
}

.mobile-menu {
    position: fixed;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-6);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 999;
    max-height: calc(100vh - 80px);
    overflow-y: auto;
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.mobile-menu-list {
    list-style: none;
    margin: 0 0 var(--spacing-6) 0;
    padding: 0;
}

.mobile-menu-list li {
    margin-bottom: var(--spacing-2);
}

.mobile-menu-list a {
    display: block;
    padding: var(--spacing-3) 0;
    font-weight: 600;
    color: var(--color-gray-700);
    border-bottom: 1px solid var(--color-gray-200);
}

.mobile-menu-list a:hover {
    color: var(--color-primary);
}

.mobile-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero-section {
    position: relative;
    padding: calc(80px + var(--spacing-20)) 0 var(--spacing-20);
    background: var(--gradient-hero);
    color: var(--color-white);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx=".5" cy=".5" r=".5"><stop offset="0%" stop-color="%23ffffff" stop-opacity=".1"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="200" r="100" fill="url(%23a)"/><circle cx="800" cy="300" r="150" fill="url(%23a)"/><circle cx="400" cy="700" r="120" fill="url(%23a)"/></svg>') no-repeat center center;
    background-size: cover;
    opacity: 0.1;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.9) 0%, rgba(118, 75, 162, 0.9) 50%, rgba(240, 147, 251, 0.9) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-6);
    background: linear-gradient(135deg, #ffffff 0%, #f0f9ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    line-height: 1.6;
    margin-bottom: var(--spacing-8);
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-4);
    justify-content: center;
    margin-bottom: var(--spacing-10);
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-8);
    margin-top: var(--spacing-10);
}

.stat-item {
    text-align: center;
}

.stat-item strong {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-1);
}

.stat-item span {
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

.hero-demo {
    padding-top: var(--spacing-16);
}

.demo-preview {
    max-width: 900px;
    margin: 0 auto;
    perspective: 1000px;
}

.demo-browser {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    transform: rotateX(10deg) rotateY(5deg);
    transition: transform var(--transition-slow);
}

.demo-browser:hover {
    transform: rotateX(5deg) rotateY(2deg);
}

.browser-header {
    display: flex;
    align-items: center;
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--color-gray-100);
    border-bottom: 1px solid var(--color-gray-200);
}

.browser-dots {
    display: flex;
    gap: var(--spacing-2);
    margin-right: var(--spacing-4);
}

.browser-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-gray-400);
}

.browser-dots span:nth-child(1) { background: #ff5f57; }
.browser-dots span:nth-child(2) { background: #ffbd2e; }
.browser-dots span:nth-child(3) { background: #28ca42; }

.browser-url {
    flex: 1;
    padding: var(--spacing-2) var(--spacing-3);
    background: var(--color-white);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.browser-content {
    background: var(--color-white);
}

.demo-image {
    width: 100%;
    height: auto;
    display: block;
}

/* ==========================================================================
   Features Section
   ========================================================================== */

.features-section {
    position: relative;
}

.section-header {
    max-width: 600px;
    margin: 0 auto var(--spacing-16);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-4);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    line-height: 1.6;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-8);
}

.feature-card {
    text-align: center;
    padding: var(--spacing-8);
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-6);
    background: var(--gradient-primary);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: var(--font-size-2xl);
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-4);
    color: var(--color-gray-900);
}

.feature-card p {
    color: var(--color-gray-600);
    line-height: 1.6;
}

/* ==========================================================================
   Pricing Section
   ========================================================================== */

.pricing-toggle {
    margin-bottom: var(--spacing-12);
}

.toggle-label {
    font-weight: 600;
    color: var(--color-gray-700);
}

.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 30px;
    margin: 0 var(--spacing-4);
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-gray-300);
    transition: var(--transition-normal);
    border-radius: 30px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: var(--transition-normal);
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--color-primary);
}

input:checked + .slider:before {
    transform: translateX(30px);
}

.discount {
    display: inline-block;
    background: var(--color-success);
    color: var(--color-white);
    padding: 2px 8px;
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-xs);
    margin-left: var(--spacing-2);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-8);
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    padding: var(--spacing-8);
    text-align: center;
    position: relative;
    transition: all var(--transition-normal);
}

.pricing-card.featured {
    border: 2px solid var(--color-primary);
    transform: scale(1.05);
}

.pricing-card.featured::before {
    content: 'Most Popular';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: var(--color-white);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-8px);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.site-footer {
    background: var(--color-gray-900);
    color: var(--color-gray-300);
    padding-top: var(--spacing-20);
}

.footer-content {
    padding-bottom: var(--spacing-16);
}

.footer-widgets .widget {
    margin-bottom: var(--spacing-8);
}

.widget-title {
    color: var(--color-white);
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-4);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: var(--spacing-2);
}

.footer-links a {
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

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

.social-links {
    display: flex;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-6);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-gray-800);
    color: var(--color-gray-400);
    border-radius: var(--border-radius-full);
    transition: all var(--transition-normal);
}

.social-link:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

.newsletter-signup h5 {
    color: var(--color-white);
    font-weight: 600;
    margin-bottom: var(--spacing-2);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-2);
    margin-top: var(--spacing-4);
}

.newsletter-form input {
    flex: 1;
    padding: var(--spacing-3);
    border: 1px solid var(--color-gray-700);
    border-radius: var(--border-radius);
    background: var(--color-gray-800);
    color: var(--color-white);
}

.newsletter-form button {
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--gradient-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.newsletter-form button:hover {
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid var(--color-gray-800);
    padding: var(--spacing-6) 0;
}

.footer-bottom-content {
    flex-wrap: wrap;
    gap: var(--spacing-4);
}

.footer-menu-list {
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--spacing-6);
}

.footer-menu-list a {
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer-menu-list a:hover {
    color: var(--color-white);
}

/* ==========================================================================
   Back to Top
   ========================================================================== */

.back-to-top {
    position: fixed;
    bottom: var(--spacing-6);
    right: var(--spacing-6);
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--border-radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transform: translateY(100px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 1000;
}

.back-to-top.visible {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

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

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 767.98px) {
    .mobile-menu-toggle {
        display: block;
    }
    
    .main-menu-wrapper {
        display: none;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-4);
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-8px);
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 575.98px) {
    .hero-section {
        padding: calc(80px + var(--spacing-12)) 0 var(--spacing-12);
    }
    
    .section {
        padding: var(--spacing-12) 0;
    }
    
    .demo-browser {
        transform: none;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
}