/* ===================================
   Alert247 - Main Stylesheet
   =================================== */

/* CSS Variables */
:root {
    /* Colors */
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --secondary-color: #8b5cf6;
    --accent-color: #06b6d4;
    
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #3b82f6;
    
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-dark: #0f172a;
    --bg-card: #ffffff;
    
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Typography */
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ===================================
   Reset & Base Styles
   =================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
}

/* ===================================
   Container & Layout
   =================================== */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-xl);
}

main {
    min-height: calc(100vh - 80px);
}

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

.main-nav {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

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

.logo-text .highlight {
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
    background: var(--bg-secondary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    padding: var(--spacing-sm);
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

/* User Menu */
.user-menu {
    position: relative;
}

.user-menu-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-weight: 500;
    transition: var(--transition-fast);
}

.user-menu-btn:hover {
    background: var(--bg-primary);
    border-color: var(--primary-color);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + var(--spacing-sm));
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
}

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

.user-dropdown a {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.user-dropdown a:hover {
    background: var(--bg-secondary);
}

.user-dropdown hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: var(--spacing-sm) 0;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1;
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-primary);
    border-color: var(--text-secondary);
}

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

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

.btn-text {
    background: transparent;
    color: var(--text-secondary);
    border: none;
    padding: 0.625rem 1rem;
}

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

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

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

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

.hero {
    position: relative;
    padding: var(--spacing-3xl) 0 6rem;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(168, 85, 247, 0.3) 0%, transparent 50%);
    opacity: 0.5;
}

.hero-content {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
}

.gradient-text {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    line-height: 1.6;
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.8;
}

.hero-visual {
    position: relative;
}

.dashboard-preview {
    perspective: 1000px;
}

.preview-window {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    transform: rotateY(-5deg) rotateX(5deg);
    transition: transform var(--transition-slow);
}

.preview-window:hover {
    transform: rotateY(0) rotateX(0);
}

.window-header {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.window-dots {
    display: flex;
    gap: 6px;
}

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

.window-title {
    flex: 1;
    text-align: center;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.window-content {
    padding: var(--spacing-lg);
}

.monitor-cards {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.monitor-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border-left: 3px solid;
}

.monitor-card.status-up {
    border-color: var(--success-color);
}

.monitor-card.status-warning {
    border-color: var(--warning-color);
}

.card-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: var(--radius-md);
    color: var(--primary-color);
    font-size: 1.25rem;
}

.card-info {
    flex: 1;
}

.card-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.card-status {
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 4px;
}

.card-status i {
    font-size: 0.75rem;
}

.status-up .card-status i {
    color: var(--success-color);
}

.status-warning .card-status i {
    color: var(--warning-color);
}

.card-time {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    color: var(--bg-primary);
}

/* ===================================
   Sections
   =================================== */

section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-3xl);
}

.section-title {
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* Features Section */
.features-section {
    background: var(--bg-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: var(--radius-lg);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
}

.feature-card h3 {
    margin-bottom: var(--spacing-md);
}

.feature-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.feature-list i {
    color: var(--success-color);
    font-size: 0.75rem;
}

/* Alerts Section */
.alerts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
}

.alert-method {
    text-align: center;
    padding: var(--spacing-xl);
}

.alert-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 2rem;
    color: var(--primary-color);
    margin: 0 auto var(--spacing-lg);
    transition: all var(--transition-base);
}

.alert-method:hover .alert-icon {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

.alert-method h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.alert-method p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* How It Works */
.how-it-works {
    background: var(--bg-secondary);
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--spacing-md);
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    position: relative;
    text-align: center;
    grid-column: span 1;
}

.step:nth-child(odd) {
    grid-column: span 2;
}

.step-connector {
    height: 3px;
    background: var(--border-color);
    position: relative;
}

.step-connector::after {
    content: '→';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary-color);
    font-size: 1.5rem;
}

.step-number {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: white;
    border-radius: var(--radius-full);
    font-size: 1.5rem;
    font-weight: 800;
    margin: 0 auto var(--spacing-md);
}

.step-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    font-size: 2rem;
    color: var(--primary-color);
    margin: 0 auto var(--spacing-md);
}

.step h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

.step p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Pricing Preview */
.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1100px;
    margin: 0 auto var(--spacing-xl);
}

.pricing-card {
    position: relative;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    transform: scale(1.05);
}

.plan-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
}

.plan-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.plan-price {
    display: flex;
    align-items: baseline;
    margin-bottom: var(--spacing-xl);
}

.currency {
    font-size: 1.5rem;
    font-weight: 600;
}

.amount {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
}

.period {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-left: var(--spacing-sm);
}

.plan-features {
    margin-bottom: var(--spacing-xl);
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--text-secondary);
}

.plan-features i {
    color: var(--success-color);
}

.pricing-footer {
    text-align: center;
    padding-top: var(--spacing-lg);
}

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

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    text-align: center;
    padding: var(--spacing-3xl);
}

.cta-content h2 {
    color: white;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
}

.cta-note {
    font-size: 0.875rem;
    opacity: 0.8;
    margin-top: var(--spacing-md);
}

/* ===================================
   Modal
   =================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    max-width: 450px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: none;
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: var(--danger-color);
    color: white;
}

.auth-container h2 {
    margin-bottom: var(--spacing-sm);
}

.auth-subtitle {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

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

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group small {
    display: block;
    margin-top: var(--spacing-xs);
    color: var(--text-light);
    font-size: 0.875rem;
}

.form-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 0.875rem;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
}

.link-text {
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 600;
}

.auth-divider {
    text-align: center;
    margin: var(--spacing-xl) 0;
    position: relative;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--border-color);
}

.auth-divider span {
    position: relative;
    background: var(--bg-card);
    padding: 0 var(--spacing-md);
    color: var(--text-light);
    font-size: 0.875rem;
}

.auth-switch {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    font-size: 0.875rem;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border-left: 3px solid var(--danger-color);
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border-left: 3px solid var(--success-color);
}

.alert-info {
    background: #dbeafe;
    color: #1e40af;
    border-left: 3px solid var(--info-color);
}

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

.main-footer {
    background: var(--bg-dark);
    color: white;
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
    color: white;
    margin-bottom: var(--spacing-lg);
    font-size: 1rem;
}

.footer-section ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
}

.footer-section a:hover {
    color: white;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-lg);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

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

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

.footer-badges {
    display: flex;
    gap: var(--spacing-md);
}

.badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
}

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

@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--bg-card);
        flex-direction: column;
        padding: var(--spacing-xl);
        transition: left var(--transition-base);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-links {
        flex-direction: column;
        width: 100%;
    }
    
    .nav-links a {
        width: 100%;
        text-align: center;
    }
    
    .nav-actions {
        width: 100%;
        flex-direction: column;
    }
    
    .features-grid,
    .pricing-cards {
        grid-template-columns: 1fr;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
    }
    
    .step {
        grid-column: span 1 !important;
    }
    
    .step-connector {
        width: 3px;
        height: 50px;
        margin: 0 auto;
    }
    
    .step-connector::after {
        content: '↓';
        right: auto;
        left: 50%;
        top: auto;
        bottom: -15px;
        transform: translateX(-50%);
    }
    
    .footer-content,
    .footer-bottom {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-badges {
        justify-content: center;
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
}

/* ===================================
   Utilities
   =================================== */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }