:root {
    /* Premium Light Theme Variables */
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;
    --color-alert: #dc2626;
    --color-text-main: #0f172a;
    --color-text-muted: #64748b;
    --color-primary: #896ac4;
    --color-primary-dark: #1d4ed8;
    --color-accent: #286480;
    --color-border: #b466b4;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.15);

    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --radius-md: 12px;
    --radius-lg: 20px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s;
}

ul {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(3rem, 5vw, 4.5rem);
    margin-bottom: 1.5rem;
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

p {
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
}

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

.text-header {
    color: var(--color-text-main);
}

.text-alert {
    color: var(--color-alert);
}

/* Utilities */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 120px 0;
}

.bg-light {
    background-color: var(--color-bg-alt);
}

.section-header {
    text-align: center;
    max-width: 768px;
    margin: 0 auto 80px;
}

.section-subtitle {
    display: inline-block;
    color: var(--color-primary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
}

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

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

.btn-outline {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-main);
    margin-left: 16px;
}

.btn-outline:hover {
    border-color: var(--color-text-main);
    background-color: var(--color-bg-alt);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    padding: 20px 0;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-img {
    height: 32px;
    width: auto;
}

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

.nav-links a:not(.btn) {
    font-weight: 500;
    color: var(--color-text-muted);
}

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

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

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-text-main);
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding-top: 200px;
    padding-bottom: 120px;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
    z-index: 0;
    background: url('/public/screen.png') top/contain no-repeat;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 900px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted);
    margin-bottom: 32px;
}

.hero-bg-accent {
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    opacity: 0.6;
    background: radial-gradient(circle, rgba(37,99,235,0.1) 0%, rgba(255,255,255,0) 70%);
    z-index: 1;
    pointer-events: none;
}

/* Stats Section */
.stats-section {
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    padding: 60px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text-main);
}

.stat-label {
    color: var(--color-text-muted);
    font-weight: 500;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    padding: 40px;
    border-radius: var(--radius-lg);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    transition: 0.3s;
}

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

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 24px;
}

/* Solutions Grid */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.solution-card {
    background-color: var(--color-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: 0.3s;
}

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

.solution-content {
    padding: 40px;
}

.link-arrow {
    color: var(--color-primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.link-arrow:after {
    content: '→';
    transition: transform 0.2s;
}

.link-arrow:hover:after {
    transform: translateX(4px);
}

/* Testimonials */
.testimonials-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.testimonial-card {
    background-color: var(--color-bg-alt);
    padding: 48px;
    border-radius: var(--radius-lg);
}

.testimonial-text {
    font-size: 1.25rem;
    color: var(--color-text-main);
    font-style: italic;
    margin-bottom: 32px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.avatar {
    width: 48px;
    height: 48px;
    background-color: var(--color-text-main);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.testimonial-author h4 {
    font-size: 1rem;
    margin: 0;
}

.testimonial-author span {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* Contact Section */
.contact-wrapper {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.contact-list {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.contact-list li {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 1.25rem;
    color: var(--color-text-muted);
}

/* Footer */
.footer {
    padding: 80px 0 40px;
    border-top: 1px solid var(--color-border);
}

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

.footer-col h4 {
    font-size: 1rem;
    margin-bottom: 24px;
}

.footer-col a {
    display: block;
    color: var(--color-text-muted);
    margin-bottom: 12px;
}

.footer-col a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.875rem;
    padding-top: 40px;
    border-top: 1px solid var(--color-border);
}

/* Animations */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 1024px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 40px;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-lg);
    }

    .nav-links.active {
        display: flex;
    }

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

    .stats-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .hero {
        padding-top: 140px;
        text-align: center;
    }

    .btn-outline {
        margin-left: 0;
        margin-top: 16px;
    }
    
    .hero-actions {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
}