/* CSS Variables - shadcn-inspired color palette */
:root {
    --background: 0 0% 100%;
    --foreground: 222.2 84% 4.9%;
    --card: 0 0% 100%;
    --card-foreground: 222.2 84% 4.9%;
    --popover: 0 0% 100%;
    --popover-foreground: 222.2 84% 4.9%;
    --primary: 222.2 47.4% 11.2%;
    --primary-foreground: 210 40% 98%;
    --secondary: 210 40% 96.1%;
    --secondary-foreground: 222.2 47.4% 11.2%;
    --muted: 210 40% 96.1%;
    --muted-foreground: 215.4 16.3% 46.9%;
    --accent: 210 40% 96.1%;
    --accent-foreground: 222.2 47.4% 11.2%;
    --destructive: 0 84.2% 60.2%;
    --destructive-foreground: 210 40% 98%;
    --border: 214.3 31.8% 91.4%;
    --input: 214.3 31.8% 91.4%;
    --ring: 222.2 84% 4.9%;
    --radius: 0.5rem;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    height: 100dvh;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: hsl(var(--background));
    color: hsl(var(--foreground));
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    height: 100dvh;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background-color: hsla(var(--background), 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid hsl(var(--border));
}

.nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: hsl(var(--foreground));
}

.logo-image {
    width: 40px;
    height: 40px;
    display: block;
}

.logo-text {
    font-weight: 600;
    font-size: 1.125rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin-left: auto;
}

.nav-links a {
    text-decoration: none;
    color: hsl(var(--muted-foreground));
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color 0.2s ease;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    font-weight: 500;
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
}

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

.btn-primary:hover {
    background-color: hsl(222.2, 47.4%, 15%);
}

.btn-secondary {
    background-color: hsl(var(--secondary));
    color: hsl(var(--secondary-foreground));
    border: 1px solid hsl(var(--border));
}

.btn-secondary:hover {
    background-color: hsl(var(--accent));
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

/* Hero Section */
.hero {
    padding: 8rem 0 6rem;
    margin-top: 4rem;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, hsl(222.2, 47.4%, 11.2%) 0%, hsl(222.2, 47.4%, 30%) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.25rem;
    color: hsl(var(--muted-foreground));
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Features Section */
.features {
    padding: 6rem 0;
    background-color: hsl(var(--muted));
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-description {
    font-size: 1.125rem;
    color: hsl(var(--muted-foreground));
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: hsl(var(--card));
    border: 1px solid hsl(var(--border));
    border-radius: calc(var(--radius) * 2);
    padding: 2rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
    border-color: hsl(var(--primary));
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    background-color: hsl(var(--primary));
    color: hsl(var(--primary-foreground));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.feature-description {
    color: hsl(var(--muted-foreground));
    line-height: 1.6;
}

/* About Section */
.about {
    padding: 6rem 0;
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-text {
    font-size: 1.125rem;
    color: hsl(var(--muted-foreground));
    line-height: 1.8;
    margin-bottom: 3rem;
    text-align: center;
}

.founders {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 600px;
    margin: 0 auto;
}

.founder-card {
    text-align: center;
    padding: 2rem;
    background-color: hsl(var(--card));
    border: 1px solid hsl(var(--border));
    border-radius: calc(var(--radius) * 2);
    transition: all 0.3s ease;
}

.founder-card:hover {
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.founder-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, hsl(var(--primary)) 0%, hsl(222.2, 47.4%, 20%) 100%);
    color: hsl(var(--primary-foreground));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
}

.founder-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.founder-title {
    color: hsl(var(--muted-foreground));
    font-size: 0.9375rem;
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background-color: hsl(var(--muted));
}

.contact-card {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
    background-color: hsl(var(--card));
    border: 1px solid hsl(var(--border));
    border-radius: calc(var(--radius) * 2);
    padding: 3rem 2rem;
}

.contact-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.contact-description {
    font-size: 1.125rem;
    color: hsl(var(--muted-foreground));
    margin-bottom: 2rem;
    line-height: 1.7;
}

/* Footer */
.footer {
    background-color: hsl(var(--primary));
    color: hsl(var(--primary-foreground));
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand .logo {
    margin-bottom: 1rem;
}

.footer-brand .logo-placeholder {
    background: hsl(var(--primary-foreground));
    color: hsl(var(--primary));
}

.footer-brand .logo-text {
    color: hsl(var(--primary-foreground));
}

.footer-tagline {
    color: hsl(210, 40%, 80%);
    font-size: 0.9375rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-heading {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 0.5rem;
}

.footer-column a {
    color: hsl(210, 40%, 80%);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color 0.2s ease;
}

.footer-column a:hover {
    color: hsl(var(--primary-foreground));
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid hsla(var(--primary-foreground), 0.2);
}

.footer-legal {
    text-align: center;
    font-size: 0.875rem;
    color: hsl(210, 40%, 80%);
}

.footer-company-info {
    display: inline-block;
    margin-left: 0.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav {
        flex-wrap: wrap;
    }

    .nav-links {
        display: none;
    }

    .hero {
        padding: 6rem 0 4rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-description {
        font-size: 1.125rem;
    }

    .section-title {
        font-size: 2rem;
    }

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

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

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

    .footer-company-info {
        display: block;
        margin-left: 0;
        margin-top: 0.25rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

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

    .btn-lg {
        width: 100%;
    }

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