/* ============================================
   FlowSync - Modern SaaS Landing Page
   Design System: Modern Tech with Purple Accents
   ============================================ */

/* CSS Variables */
:root {
    /* Colors - Modern Purple/Indigo Theme */
    --primary-50: #EEF2FF;
    --primary-100: #E0E7FF;
    --primary-200: #C7D2FE;
    --primary-300: #A5B4FC;
    --primary-400: #818CF8;
    --primary-500: #6366F1;
    --primary-600: #4F46E5;
    --primary-700: #4338CA;
    --primary-800: #3730A3;
    --primary-900: #312E81;
    
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    
    /* Typography */
    --font-display: 'Space Grotesk', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --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), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* Container */
    --container-max: 1280px;
    --container-padding: 1.5rem;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--gray-50);
    overflow-x: hidden;
}

img, svg {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--gray-900);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }
h4 { font-size: 1.125rem; }

p {
    color: var(--gray-600);
}

/* Utility Classes */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-700));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.9375rem;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    color: white;
    box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.39);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background: var(--primary-50);
    color: var(--primary-700);
}

.btn-secondary:hover {
    background: var(--primary-100);
}

.btn-ghost {
    background: transparent;
    color: var(--gray-700);
    border: 1px solid var(--gray-200);
}

.btn-ghost:hover {
    background: var(--gray-100);
    border-color: var(--gray-300);
}

.btn-outline {
    background: transparent;
    color: var(--gray-700);
    border: 2px solid var(--gray-200);
}

.btn-outline:hover {
    border-color: var(--primary-500);
    color: var(--primary-600);
}

.btn-white {
    background: white;
    color: var(--gray-900);
    box-shadow: var(--shadow-md);
}

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

.btn-lg {
    padding: var(--space-4) var(--space-6);
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(249, 250, 251, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(229, 231, 235, 0.5);
    transition: all var(--transition-base);
}

.nav.scrolled {
    background: rgba(249, 250, 251, 0.95);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--gray-900);
}

.logo svg {
    flex-shrink: 0;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-menu a {
    font-weight: 500;
    color: var(--gray-600);
    transition: color var(--transition-fast);
}

.nav-menu a:hover {
    color: var(--primary-600);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    transition: all var(--transition-base);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(72px + var(--space-16)) 0 var(--space-16);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, var(--primary-300), var(--primary-500));
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #8B5CF6, #6366F1);
    bottom: -100px;
    left: -100px;
    animation-delay: -7s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #EC4899, #8B5CF6);
    top: 50%;
    left: 30%;
    animation-delay: -14s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(20px, 10px) scale(1.02); }
}

.hero .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-12);
    align-items: center;
}

.hero-content {
    max-width: 640px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: var(--primary-50);
    border: 1px solid var(--primary-200);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--primary-700);
    margin-bottom: var(--space-6);
    animation: fadeInUp 0.6s ease-out;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--primary-500);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.1); }
}

.hero-title {
    margin-bottom: var(--space-6);
    animation: fadeInUp 0.6s ease-out 0.1s both;
}

.hero-description {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: var(--space-8);
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.hero-stats {
    display: flex;
    gap: var(--space-10);
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-500);
}

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

/* Dashboard Preview */
.hero-visual {
    display: none;
}

.dashboard-preview {
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    border: 1px solid var(--gray-200);
    animation: fadeInUp 0.8s ease-out 0.5s both;
}

.dashboard-header {
    padding: var(--space-4);
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

.window-dots {
    display: flex;
    gap: var(--space-2);
}

.window-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray-300);
}

.window-dots span:first-child { background: #EF4444; }
.window-dots span:nth-child(2) { background: #F59E0B; }
.window-dots span:nth-child(3) { background: #10B981; }

.dashboard-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
    padding: var(--space-6);
}

.task-column {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
}

.column-header {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: var(--space-4);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.task-card {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--space-4);
    margin-bottom: var(--space-3);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
}

.task-card.active {
    border-color: var(--primary-300);
    box-shadow: 0 0 0 3px var(--primary-100);
}

.task-card.completed {
    opacity: 0.7;
}

.task-priority {
    display: inline-block;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: var(--space-2);
}

.task-priority.high { background: #FEE2E2; color: #DC2626; }
.task-priority.medium { background: #FEF3C7; color: #D97706; }
.task-priority.low { background: #D1FAE5; color: #059669; }

.task-title {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--gray-800);
    margin-bottom: var(--space-3);
}

.progress-bar {
    height: 4px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-3);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-500), var(--primary-600));
    border-radius: var(--radius-full);
    transition: width 1s ease;
}

.task-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.task-avatars {
    display: flex;
}

.avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-400), var(--primary-600));
    color: white;
    font-size: 0.625rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: -6px;
    border: 2px solid white;
}

.avatar:first-child { margin-left: 0; }

.task-date {
    font-size: 0.75rem;
    color: var(--gray-400);
}

/* Features Section */
.features {
    padding: var(--space-24) 0;
    background: white;
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--space-16);
}

.section-tag {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    background: var(--primary-50);
    color: var(--primary-700);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-4);
}

.section-title {
    margin-bottom: var(--space-4);
}

.section-description {
    font-size: 1.125rem;
    color: var(--gray-500);
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

.feature-card {
    padding: var(--space-8);
    background: var(--gray-50);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--gray-100);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-200);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-500), var(--primary-600));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: var(--space-6);
}

.feature-title {
    margin-bottom: var(--space-3);
}

.feature-description {
    color: var(--gray-500);
    margin-bottom: var(--space-4);
    line-height: 1.6;
}

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

.feature-link:hover {
    color: var(--primary-700);
}

/* Testimonials Section */
.testimonials {
    padding: var(--space-24) 0;
    background: var(--gray-50);
    overflow: hidden;
}

.testimonials-carousel {
    position: relative;
}

.testimonials-track {
    display: flex;
    gap: var(--space-6);
    transition: transform var(--transition-slow);
}

.testimonial-card {
    flex: 0 0 100%;
    max-width: 100%;
    padding: var(--space-8);
    background: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-100);
}

.testimonial-rating {
    color: #F59E0B;
    font-size: 1.25rem;
    margin-bottom: var(--space-4);
    letter-spacing: 2px;
}

.testimonial-text {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--gray-700);
    margin-bottom: var(--space-6);
}

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

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-400), var(--primary-600));
    color: white;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.author-name {
    font-weight: 600;
    color: var(--gray-900);
}

.author-role {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-6);
    margin-top: var(--space-10);
}

.carousel-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: white;
    border: 1px solid var(--gray-200);
    color: var(--gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.carousel-btn:hover {
    background: var(--primary-50);
    border-color: var(--primary-300);
    color: var(--primary-600);
}

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

.carousel-dots {
    display: flex;
    gap: var(--space-2);
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--gray-300);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.carousel-dot.active {
    background: var(--primary-500);
    width: 24px;
    border-radius: var(--radius-full);
}

/* Pricing Section */
.pricing {
    padding: var(--space-24) 0;
    background: white;
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
}

.toggle-label {
    font-weight: 500;
    color: var(--gray-500);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.toggle-label.active {
    color: var(--gray-900);
}

.toggle-switch {
    width: 56px;
    height: 28px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    position: relative;
    transition: background var(--transition-base);
}

.toggle-switch.active {
    background: var(--primary-500);
}

.toggle-slider {
    position: absolute;
    top: 2px;
    left: 2px;
    width: 24px;
    height: 24px;
    background: white;
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base);
}

.toggle-switch.active .toggle-slider {
    transform: translateX(28px);
}

.save-badge {
    display: inline-block;
    padding: var(--space-1) var(--space-2);
    background: var(--primary-100);
    color: var(--primary-700);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    margin-left: var(--space-2);
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    max-width: 1200px;
    margin: 0 auto;
}

.pricing-card {
    position: relative;
    padding: var(--space-8);
    background: var(--gray-50);
    border-radius: var(--radius-2xl);
    border: 2px solid var(--gray-100);
    transition: all var(--transition-base);
}

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

.pricing-card.featured {
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    border-color: transparent;
    color: white;
}

.pricing-card.featured .pricing-name,
.pricing-card.featured .pricing-description,
.pricing-card.featured .price-amount,
.pricing-card.featured .price-period,
.pricing-card.featured .pricing-features li {
    color: white;
}

.pricing-card.featured .pricing-features svg path {
    stroke: white;
}

.pricing-card.featured .btn-outline {
    background: white;
    border-color: white;
    color: var(--primary-700);
}

.pricing-card.featured .btn-outline:hover {
    background: var(--primary-50);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-1) var(--space-4);
    background: var(--warning);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-header {
    margin-bottom: var(--space-6);
}

.pricing-name {
    margin-bottom: var(--space-2);
}

.pricing-card.featured .pricing-name {
    color: white;
}

.pricing-description {
    font-size: 0.9375rem;
    color: var(--gray-500);
}

.pricing-card.featured .pricing-description {
    color: rgba(255, 255, 255, 0.8);
}

.pricing-price {
    margin-bottom: var(--space-8);
}

.price-amount {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--gray-900);
}

.price-amount.custom {
    font-size: 2rem;
}

.pricing-card.featured .price-amount {
    color: white;
}

.price-period {
    font-size: 1rem;
    color: var(--gray-500);
}

.pricing-card.featured .price-period {
    color: rgba(255, 255, 255, 0.8);
}

.pricing-features {
    margin-bottom: var(--space-8);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) 0;
    color: var(--gray-600);
    border-bottom: 1px solid var(--gray-100);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features svg {
    flex-shrink: 0;
    color: var(--success);
}

.pricing-card.featured .pricing-features svg {
    color: white;
}

/* CTA Section */
.cta {
    padding: var(--space-24) 0;
    background: linear-gradient(135deg, var(--primary-600), var(--primary-800));
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

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

.cta-description {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: var(--space-8);
}

.cta-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.cta-note {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

/* Footer */
.footer {
    padding: var(--space-20) 0 var(--space-10);
    background: var(--gray-900);
    color: var(--gray-300);
}

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

.footer-brand .logo {
    color: white;
    margin-bottom: var(--space-4);
}

.footer-tagline {
    color: var(--gray-400);
    margin-bottom: var(--space-6);
    max-width: 280px;
}

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

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

.footer-social a:hover {
    background: var(--primary-600);
    color: white;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
}

.footer-column h4 {
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}

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

.footer-column a {
    color: var(--gray-400);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    padding-top: var(--space-8);
    border-top: 1px solid var(--gray-800);
    font-size: 0.875rem;
    color: var(--gray-500);
}

.footer-status {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

/* Responsive Styles */
@media (min-width: 640px) {
    :root {
        --container-padding: 2rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-links {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .testimonial-card {
        flex: 0 0 calc(50% - var(--space-3));
    }
}

@media (min-width: 768px) {
    .nav-toggle {
        display: none;
    }
    
    .nav-menu {
        display: flex;
    }
    
    .hero .container {
        grid-template-columns: 1fr 1fr;
    }
    
    .hero-visual {
        display: block;
    }
    
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .pricing-card.featured {
        transform: scale(1.05);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 2fr;
    }
    
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .testimonial-card {
        flex: 0 0 calc(33.333% - var(--space-4));
    }
}

/* Mobile Navigation */
@media (max-width: 767px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: var(--space-6);
        gap: var(--space-4);
        border-bottom: 1px solid var(--gray-200);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-menu a {
        font-size: 1.125rem;
        padding: var(--space-3) 0;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--space-6);
    }
    
    .dashboard-content {
        grid-template-columns: 1fr;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn-lg {
        width: 100%;
        justify-content: center;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}