/* ===== CSS Variables ===== */
:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #0f172a;
    --accent: #06b6d4;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border: #e2e8f0;
    --gradient-1: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-2: linear-gradient(135deg, #06b6d4 0%, #10b981 100%);
    --gradient-3: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --transition: all 0.3s ease;
    --radius: 12px;
    --radius-lg: 20px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-white);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border);
}

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

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

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

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

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

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

.btn-ghost-white:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
}

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

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.navbar.scrolled {
    border-bottom-color: var(--border);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
}

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

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

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

.nav-buttons {
    display: flex;
    gap: 12px;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    padding: 160px 0 100px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--primary-light);
    top: -200px;
    right: -100px;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--accent);
    bottom: 0;
    left: -100px;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: #f472b6;
    top: 50%;
    left: 50%;
}

.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: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 500;
    color: var(--primary);
    margin-bottom: 24px;
}

.badge-icon {
    font-size: 16px;
}

.hero h1 {
    font-size: 56px;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 500px;
}

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

.hero-stats {
    display: flex;
    gap: 48px;
}

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

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

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

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

.dashboard-mockup {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--border);
}

.mockup-header {
    padding: 12px 16px;
    background: var(--bg-light);
    border-bottom: 1px solid var(--border);
}

.window-controls {
    display: flex;
    gap: 8px;
}

.control {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.control.red { background: #ef4444; }
.control.yellow { background: #f59e0b; }
.control.green { background: #10b981; }

.mockup-content {
    display: flex;
    min-height: 350px;
}

.sidebar-mini {
    width: 60px;
    background: var(--secondary);
    padding: 20px 15px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sidebar-item {
    width: 30px;
    height: 30px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
}

.sidebar-item.active {
    background: var(--primary);
}

.main-content {
    flex: 1;
    padding: 24px;
}

.chart-header {
    height: 20px;
    width: 40%;
    background: var(--bg-light);
    border-radius: 4px;
    margin-bottom: 20px;
}

.chart-area {
    height: 150px;
    margin-bottom: 24px;
}

.chart-svg {
    width: 100%;
    height: 100%;
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.stat-card {
    height: 80px;
    background: var(--bg-light);
    border-radius: var(--radius);
}

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

.logos .container p {
    text-align: center;
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 32px;
}

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

.logo-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
    font-size: 18px;
    font-weight: 600;
}

.logo-item i {
    font-size: 28px;
}

/* ===== Section Styles ===== */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: 42px;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-header p {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Features Section ===== */
.features {
    padding: 120px 0;
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-white);
    padding: 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: var(--transition);
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    margin-bottom: 20px;
}

.feature-icon i {
    font-size: 24px;
    color: white;
}

.gradient-1 { background: var(--gradient-1); }
.gradient-2 { background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%); }
.gradient-3 { background: linear-gradient(135deg, #8b5cf6 0%, #d946ef 100%); }
.gradient-4 { background: linear-gradient(135deg, #10b981 0%, #14b8a6 100%); }
.gradient-5 { background: linear-gradient(135deg, #f59e0b 0%, #f97316 100%); }
.gradient-6 { background: linear-gradient(135deg, #ec4899 0%, #f43f5e 100%); }

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 15px;
    margin-bottom: 20px;
}

.feature-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
}

.feature-link:hover {
    gap: 10px;
}

/* ===== How It Works ===== */
.how-it-works {
    padding: 120px 0;
}

.steps-grid {
    display: flex;
    flex-direction: column;
    gap: 80px;
}

.step {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.step.reverse {
    direction: rtl;
}

.step.reverse > * {
    direction: ltr;
}

.step-number {
    font-size: 80px;
    font-weight: 800;
    color: var(--bg-light);
    line-height: 1;
    margin-bottom: 16px;
}

.step-content h3 {
    font-size: 28px;
    margin-bottom: 16px;
}

.step-content p {
    font-size: 17px;
    color: var(--text-secondary);
}

.step-image {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 250px;
    background: var(--bg-light);
    border-radius: var(--radius-lg);
}

/* Step Animations */
.connect-animation {
    display: flex;
    align-items: center;
    gap: 30px;
}

.data-source {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-white);
    border-radius: 16px;
    box-shadow: var(--shadow);
}

.data-source i {
    font-size: 28px;
    color: var(--primary);
}

.connection-line {
    width: 60px;
    height: 4px;
    background: repeating-linear-gradient(90deg, var(--primary) 0, var(--primary) 8px, transparent 8px, transparent 16px);
    animation: dash 1s linear infinite;
}

@keyframes dash {
    to { background-position: 16px; }
}

.dashboard-animation {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.widget {
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.widget-1 { grid-column: span 2; height: 60px; }
.widget-2, .widget-3 { height: 80px; }

.share-animation {
    display: flex;
    gap: -10px;
}

.user-avatar {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-1);
    border-radius: 50%;
    border: 3px solid var(--bg-light);
    margin-left: -10px;
    color: white;
}

.user-avatar:first-child { margin-left: 0; }
.user-avatar.add {
    background: var(--bg-white);
    color: var(--text-secondary);
    border: 2px dashed var(--border);
}

/* ===== Pricing ===== */
.pricing {
    padding: 120px 0;
    background: var(--bg-light);
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
}

.toggle-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.toggle-label.active {
    color: var(--text-primary);
}

.toggle-switch {
    position: relative;
    width: 48px;
    height: 26px;
}

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

.slider {
    position: absolute;
    inset: 0;
    background: var(--border);
    border-radius: 26px;
    cursor: pointer;
    transition: var(--transition);
}

.slider::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: var(--transition);
}

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

.toggle-switch input:checked + .slider::before {
    transform: translateX(22px);
}

.discount-badge {
    padding: 4px 8px;
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.pricing-card {
    position: relative;
    background: var(--bg-white);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.pricing-card.popular {
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-lg);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 16px;
    background: var(--gradient-1);
    color: white;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
}

.pricing-header h3 {
    font-size: 24px;
    margin-bottom: 8px;
}

.pricing-header p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

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

.currency {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-secondary);
}

.amount {
    font-size: 56px;
    font-weight: 800;
    line-height: 1;
}

.amount.custom {
    font-size: 36px;
}

.period {
    font-size: 16px;
    color: var(--text-secondary);
    margin-left: 4px;
}

.pricing-features {
    margin-bottom: 32px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    font-size: 15px;
}

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

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

/* ===== Testimonials ===== */
.testimonials {
    padding: 120px 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: var(--bg-light);
    padding: 32px;
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

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

.testimonial-content {
    margin-bottom: 24px;
}

.stars {
    color: var(--warning);
    margin-bottom: 16px;
}

.stars i {
    font-size: 14px;
}

.testimonial-content p {
    font-size: 16px;
    color: var(--text-primary);
    line-height: 1.7;
}

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

.testimonial-author img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info h4 {
    font-size: 15px;
    margin-bottom: 2px;
}

.author-info span {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ===== CTA Section ===== */
.cta {
    padding: 100px 0;
    background: var(--gradient-1);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta h2 {
    font-size: 42px;
    color: white;
    margin-bottom: 16px;
}

.cta > .container > .cta-content > p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 24px;
}

.cta-note {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(4, 1fr);
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
    font-size: 24px;
    color: white;
    margin-bottom: 16px;
}

.footer-brand .logo i {
    color: var(--primary-light);
}

.footer-brand p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 24px;
    max-width: 280px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: white;
    transition: var(--transition);
}

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

.footer-links h4 {
    font-size: 14px;
    font-weight: 600;
    color: white;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 32px;
}

.footer-bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.4);
}

.footer-badges {
    display: flex;
    gap: 24px;
}

.footer-badges span {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero h1 {
        font-size: 44px;
    }

    .hero p {
        max-width: 100%;
    }

    .hero-cta {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-image {
        order: -1;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 0 auto;
    }

    .step {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .step.reverse {
        direction: ltr;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links,
    .nav-buttons {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero h1 {
        font-size: 36px;
    }

    .section-header h2 {
        font-size: 32px;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .logos-grid {
        flex-wrap: wrap;
        gap: 30px;
    }

    .cta h2 {
        font-size: 32px;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}