/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #667EEA;
    --primary-dark: #5568D3;
    --secondary-color: #764BA2;
    --text-dark: #1A202C;
    --text-medium: #4A5568;
    --text-light: #718096;
    --background: #FFFFFF;
    --background-light: #F7FAFC;
    --background-gray: #EDF2F7;
    --border-color: #E2E8F0;
    --success: #10B981;
    --warning: #F59E0B;
    --gradient: linear-gradient(135deg, #667EEA 0%, #764BA2 100%);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background: var(--background);
    overflow-x: hidden;
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    text-decoration: none;
}

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

.nav-links a {
    color: var(--text-medium);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    font-size: 15px;
}

.nav-links a:not(.btn-primary):hover {
    color: var(--primary-color);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    transition: all 0.3s ease;
}

/* Buttons */
.btn-primary {
    background: var(--gradient);
    color: white;
    padding: 12px 28px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: white;
    color: var(--primary-color);
    padding: 12px 28px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: 2px solid var(--primary-color);
    cursor: pointer;
}

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

.btn-large {
    padding: 16px 36px;
    font-size: 16px;
}

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    background: linear-gradient(180deg, #F7FAFC 0%, #FFFFFF 100%);
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 700px;
    text-align: center;
    margin: 0 auto;
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

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

.hero-subtitle {
    font-size: 20px;
    color: var(--text-medium);
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 40px;
}

.hero-badge {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.badge {
    background: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.hero-visual {
    position: relative;
    height: 300px;
    margin-top: 60px;
}

.floating-card {
    position: absolute;
    background: white;
    padding: 20px 24px;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: float 3s ease-in-out infinite;
}

.card-icon {
    font-size: 32px;
}

.card-text {
    font-weight: 600;
    color: var(--text-dark);
}

.card-1 {
    left: 10%;
    top: 20px;
    animation-delay: 0s;
}

.card-2 {
    left: 50%;
    transform: translateX(-50%);
    top: 80px;
    animation-delay: 0.5s;
}

.card-3 {
    right: 10%;
    top: 20px;
    animation-delay: 1s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.card-2 {
    animation-name: float-center;
}

@keyframes float-center {
    0%, 100% {
        transform: translate(-50%, 0);
    }
    50% {
        transform: translate(-50%, -20px);
    }
}

/* Features Section */
.features {
    padding: 100px 0;
    background: white;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-header p {
    font-size: 18px;
    color: var(--text-medium);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    padding: 32px;
    border-radius: 20px;
    background: white;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.feature-icon {
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-medium);
    line-height: 1.7;
}

/* How It Works Section */
.how-it-works {
    padding: 100px 0;
    background: var(--background-light);
}

.steps {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
}

.step {
    flex: 1;
    text-align: center;
    z-index: 1;
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 700;
    margin: 0 auto 24px;
    box-shadow: var(--shadow-lg);
}

.step-content h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.step-content p {
    color: var(--text-medium);
    line-height: 1.7;
    max-width: 280px;
    margin: 0 auto;
}

.step-connector {
    width: 100px;
    height: 2px;
    background: var(--border-color);
    margin-top: 40px;
    position: relative;
}

.step-connector::after {
    content: '';
    position: absolute;
    right: 0;
    top: -4px;
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--border-color);
    border-top: 2px solid var(--border-color);
    transform: rotate(45deg);
}

/* Demo Section */
.demo-section {
    padding: 100px 0;
    background: var(--gradient);
    color: white;
}

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

.demo-content h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
}

.demo-content p {
    font-size: 18px;
    margin-bottom: 32px;
    opacity: 0.95;
}

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

.demo-content .btn-primary:hover {
    background: var(--background-light);
}

.demo-note {
    font-size: 14px;
    margin-top: 20px;
    opacity: 0.8;
}

/* Enterprise Section */
.enterprise {
    padding: 100px 0;
    background: white;
}

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

.enterprise-text h2 {
    font-size: 40px;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.enterprise-text p {
    font-size: 18px;
    color: var(--text-medium);
    margin-bottom: 32px;
    line-height: 1.7;
}

.enterprise-features {
    display: grid;
    gap: 20px;
}

.enterprise-feature {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 16px;
    color: var(--text-dark);
}

.check-icon {
    width: 32px;
    height: 32px;
    background: var(--gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--background-light);
}

.contact-content {
    text-align: center;
}

.contact-content h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
}

.contact-content p {
    font-size: 18px;
    color: var(--text-medium);
    margin-bottom: 32px;
}

.email-link {
    font-size: 24px;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.email-link:hover {
    color: var(--primary-dark);
}

/* Footer */
.footer {
    padding: 60px 0 30px;
    background: var(--text-dark);
    color: white;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

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

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    display: flex;
    gap: 60px;
}

.footer-column h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

/* Responsive Design */
@media (max-width: 968px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero-title {
        font-size: 48px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .hero-visual {
        height: 200px;
    }

    .floating-card {
        padding: 12px 16px;
        font-size: 14px;
    }

    .card-icon {
        font-size: 24px;
    }

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

    .steps {
        flex-direction: column;
        gap: 40px;
    }

    .step-connector {
        display: none;
    }

    .enterprise-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .section-header h2 {
        font-size: 36px;
    }

    .enterprise-text h2 {
        font-size: 32px;
    }

    .demo-content h2 {
        font-size: 36px;
    }
}

@media (max-width: 640px) {
    .hero {
        padding: 120px 0 60px;
    }

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

    .hero-subtitle {
        font-size: 16px;
    }

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

    .features,
    .how-it-works,
    .demo-section,
    .enterprise,
    .contact {
        padding: 60px 0;
    }

    .btn-large {
        padding: 14px 28px;
        font-size: 15px;
    }

    .floating-card {
        position: static;
        margin: 0 auto 16px;
        max-width: 280px;
    }

    .hero-visual {
        height: auto;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection */
::selection {
    background: var(--primary-color);
    color: white;
}

/* Focus Styles */
:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}