/* ===== CSS Variables ===== */
:root {
    --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;
    
    --purple-500: #8B5CF6;
    --purple-600: #7C3AED;
    
    --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;
    
    --green-500: #10B981;
    --blue-500: #3B82F6;
    --orange-500: #F59E0B;
    --pink-500: #EC4899;
    --teal-500: #14B8A6;
    
    --white: #FFFFFF;
    --black: #000000;
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --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);
    
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    --transition: all 0.2s ease;
    --transition-slow: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

ul {
    list-style: none;
}

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

/* ===== Utility Classes ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--purple-500) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--purple-500) 100%);
    color: var(--white);
    box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.4);
}

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

.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-500);
}

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

.btn-ghost:hover {
    color: var(--primary-500);
}

.btn-white {
    background: var(--white);
    color: var(--primary-600);
}

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

.btn-ghost-white {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

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

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--gray-100);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 700;
    color: var(--gray-900);
}

.logo-icon {
    width: 36px;
    height: 36px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-size: 15px;
    font-weight: 500;
    color: var(--gray-600);
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary-500);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    padding: 140px 0 80px;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--primary-50);
    color: var(--primary-600);
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 24px;
}

.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; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    color: var(--gray-900);
    margin-bottom: 24px;
}

.hero-description {
    font-size: 18px;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 520px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 28px;
    font-weight: 800;
    color: var(--gray-900);
}

.stat-label {
    font-size: 14px;
    color: var(--gray-500);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--gray-200);
}

.hero-bg-gradient {
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    background: radial-gradient(ellipse at 70% 30%, rgba(99, 102, 241, 0.1) 0%, transparent 60%);
    pointer-events: none;
    z-index: -1;
}

/* Dashboard Preview */
.hero-image {
    position: relative;
}

.dashboard-preview {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
    border: 1px solid var(--gray-200);
}

.dashboard-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

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

.dashboard-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dashboard-dots span:nth-child(1) { background: #FF5F57; }
.dashboard-dots span:nth-child(2) { background: #FFBD2E; }
.dashboard-dots span:nth-child(3) { background: #28CA41; }

.dashboard-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-500);
}

.dashboard-content {
    display: flex;
    padding: 20px;
    gap: 20px;
    min-height: 300px;
}

.dashboard-sidebar {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 48px;
}

.sidebar-item {
    height: 40px;
    background: var(--gray-100);
    border-radius: var(--radius);
}

.sidebar-item.active {
    background: linear-gradient(135deg, var(--primary-500), var(--purple-500));
}

.dashboard-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.chart-card {
    flex: 1;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chart-header {
    height: 12px;
    width: 40%;
    background: var(--gray-200);
    border-radius: var(--radius-sm);
}

.chart-bars {
    flex: 1;
    display: flex;
    align-items: flex-end;
    gap: 8px;
}

.bar {
    flex: 1;
    background: linear-gradient(180deg, var(--primary-400), var(--primary-500));
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    min-height: 20px;
}

.stats-row {
    display: flex;
    gap: 12px;
}

.mini-stat {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: var(--gray-50);
    border-radius: var(--radius-md);
}

.mini-stat-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius);
}

.mini-stat-icon.green { background: var(--green-500); }
.mini-stat-icon.blue { background: var(--blue-500); }
.mini-stat-icon.purple { background: var(--purple-500); }

.mini-stat-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.mini-stat-value {
    height: 14px;
    width: 60%;
    background: var(--gray-300);
    border-radius: var(--radius-sm);
}

.mini-stat-label {
    height: 10px;
    width: 80%;
    background: var(--gray-200);
    border-radius: var(--radius-sm);
}

/* ===== Logos Section ===== */
.logos-section {
    padding: 60px 0;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-100);
    border-bottom: 1px solid var(--gray-100);
}

.logos-title {
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 32px;
}

.logos-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 60px;
    flex-wrap: wrap;
}

.logo-item {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-400);
    opacity: 0.7;
    transition: var(--transition);
}

.logo-item:hover {
    opacity: 1;
    color: var(--gray-600);
}

/* ===== Section Styles ===== */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 64px;
}

.section-badge {
    display: inline-block;
    padding: 8px 16px;
    background: var(--primary-50);
    color: var(--primary-600);
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-description {
    font-size: 18px;
    color: var(--gray-600);
    line-height: 1.7;
}

/* ===== Features Section ===== */
.features-section {
    padding: 100px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card {
    padding: 32px;
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-xl);
    transition: var(--transition-slow);
}

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

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    margin-bottom: 20px;
}

.feature-icon.purple { background: var(--primary-100); color: var(--primary-600); }
.feature-icon.blue { background: #DBEAFE; color: var(--blue-500); }
.feature-icon.green { background: #D1FAE5; color: var(--green-500); }
.feature-icon.orange { background: #FEF3C7; color: var(--orange-500); }
.feature-icon.pink { background: #FCE7F3; color: var(--pink-500); }
.feature-icon.teal { background: #CCFBF1; color: var(--teal-500); }

.feature-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.feature-description {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.7;
}

/* ===== How It Works Section ===== */
.how-section {
    padding: 100px 0;
    background: var(--gray-50);
}

.steps-grid {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 20px;
}

.step-card {
    flex: 1;
    max-width: 320px;
    padding: 32px;
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow);
    text-align: center;
}

.step-number {
    display: inline-block;
    font-size: 48px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-500), var(--purple-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
}

.step-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.step-description {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.7;
}

.step-connector {
    display: flex;
    align-items: center;
    padding-top: 60px;
}

/* ===== Testimonials Section ===== */
.testimonials-section {
    padding: 100px 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.testimonial-card {
    padding: 32px;
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-xl);
    transition: var(--transition-slow);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-lg);
}

.testimonial-card.featured {
    background: linear-gradient(135deg, var(--primary-500), var(--purple-500));
    border: none;
}

.testimonial-card.featured .testimonial-stars {
    color: rgba(255, 255, 255, 0.9);
}

.testimonial-card.featured .testimonial-text {
    color: var(--white);
}

.testimonial-card.featured .author-name {
    color: var(--white);
}

.testimonial-card.featured .author-role {
    color: rgba(255, 255, 255, 0.8);
}

.testimonial-stars {
    display: flex;
    gap: 4px;
    color: var(--orange-500);
    margin-bottom: 16px;
}

.testimonial-text {
    font-size: 16px;
    color: var(--gray-700);
    line-height: 1.7;
    margin-bottom: 24px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-400), var(--purple-400));
    color: var(--white);
    font-weight: 600;
    font-size: 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.testimonial-card.featured .author-avatar {
    background: rgba(255, 255, 255, 0.2);
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-size: 15px;
    font-weight: 600;
    color: var(--gray-900);
}

.author-role {
    font-size: 13px;
    color: var(--gray-500);
}

/* ===== Pricing Section ===== */
.pricing-section {
    padding: 100px 0;
    background: var(--gray-50);
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
}

.toggle-label {
    font-size: 15px;
    color: var(--gray-500);
    transition: var(--transition);
}

.toggle-label.active {
    color: var(--gray-900);
    font-weight: 600;
}

.toggle-switch {
    position: relative;
    width: 52px;
    height: 28px;
    background: var(--gray-200);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition);
}

.toggle-switch:hover {
    background: var(--gray-300);
}

.toggle-slider {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 22px;
    height: 22px;
    background: var(--white);
    border-radius: 50%;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.save-badge {
    display: inline-block;
    padding: 2px 8px;
    background: var(--green-500);
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-left: 4px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 1100px;
    margin: 0 auto;
}

.pricing-card {
    position: relative;
    padding: 40px 32px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    transition: var(--transition-slow);
}

.pricing-card:hover {
    box-shadow: var(--shadow-xl);
}

.pricing-card.popular {
    border: 2px solid var(--primary-500);
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 16px;
    background: linear-gradient(135deg, var(--primary-500), var(--purple-500));
    color: var(--white);
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.pricing-header {
    margin-bottom: 24px;
}

.pricing-name {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 8px;
}

.pricing-description {
    font-size: 14px;
    color: var(--gray-500);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 32px;
}

.price-currency {
    font-size: 24px;
    font-weight: 600;
    color: var(--gray-700);
}

.price-amount {
    font-size: 48px;
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1;
}

.price-period {
    font-size: 14px;
    color: var(--gray-500);
}

.pricing-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--gray-700);
}

.pricing-features svg {
    flex-shrink: 0;
    color: var(--green-500);
}

/* ===== CTA Section ===== */
.cta-section {
    padding: 80px 0;
}

.cta-card {
    position: relative;
    padding: 80px;
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--purple-600) 100%);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
}

.cta-title {
    font-size: 36px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
}

.cta-description {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
}

.cta-actions {
    display: flex;
    gap: 16px;
}

.cta-decoration {
    position: absolute;
    right: -100px;
    top: 50%;
    transform: translateY(-50%);
}

.decoration-circle {
    position: absolute;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.decoration-circle:first-child {
    width: 300px;
    height: 300px;
    right: 0;
    top: -150px;
}

.decoration-circle:last-child {
    width: 400px;
    height: 400px;
    right: 50px;
    top: -200px;
}

/* ===== Footer ===== */
.footer {
    padding: 80px 0 40px;
    background: var(--gray-900);
    color: var(--gray-300);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 16px;
}

.footer-description {
    font-size: 15px;
    color: var(--gray-400);
    line-height: 1.7;
    margin-bottom: 24px;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    color: var(--gray-400);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-500);
    color: var(--white);
}

.footer-links h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 20px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 14px;
    color: var(--gray-400);
    transition: var(--transition);
}

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

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 14px;
    color: var(--gray-500);
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-description {
        max-width: 100%;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-image {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .steps-grid {
        flex-direction: column;
        align-items: center;
    }
    
    .step-connector {
        transform: rotate(90deg);
        padding: 20px 0;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    
    .pricing-card.popular {
        transform: none;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-brand {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .nav-links, .nav-actions {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        padding: 120px 0 60px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-description {
        font-size: 16px;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }
    
    .stat-divider {
        display: none;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-card {
        padding: 48px 24px;
        text-align: center;
    }
    
    .cta-title {
        font-size: 28px;
    }
    
    .cta-actions {
        flex-direction: column;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-brand {
        grid-column: auto;
    }
}