/* CSS Variables & Design System */
:root {
    /* Colors - Minimalist sj.land inspired */
    --bg-main: #FFFFFF;
    --text-primary: #111111;
    --text-secondary: #666666;
    --border-color: #EAEAEA;
    --accent-hover: #000000;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    /* Spacing */
    --container-max-width: 1200px;
    --header-height: 80px;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;
}

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

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    background-color: var(--bg-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

/* Layout */
.app-container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Header / Top Nav */
.site-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
}

.brand h1 {
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-item {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.nav-item:hover,
.nav-item.active {
    color: var(--text-primary);
}

/* Main Content */
.main-content {
    flex: 1;
    padding-bottom: var(--spacing-xl);
}

/* Typography Utilities */
h1,
h2,
h3,
h4 {
    color: var(--text-primary);
    font-weight: 600;
    letter-spacing: -0.03em;
}

.display-text {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.text-muted {
    color: var(--text-secondary);
}

/* Components */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.card {
    background: transparent;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.2s ease;
}

.card:hover {
    transform: translateY(-2px);
}

.card-image {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: var(--spacing-md);
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.card-subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Bullet List Styles */
.bullet-list li {
    margin-bottom: 0.75rem;
    position: relative;
    padding-left: 1.5rem;
    color: var(--text-secondary);
}

.bullet-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--text-primary);
}

/* Testimonials - Horizontal Grid */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.testimonial {
    background: #f9fafb;
    padding: 1.5rem;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.testimonial p {
    font-style: italic;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.testimonial cite {
    font-weight: 600;
    font-size: 0.9rem;
    font-style: normal;
    color: var(--text-primary);
}

/* Mobile Responsive */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

@media (max-width: 768px) {
    .app-container {
        padding: 0 var(--spacing-md);
    }

    .site-header {
        height: 60px;
        padding: var(--spacing-md) 0;
        margin-bottom: var(--spacing-lg);
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: var(--spacing-lg);
        border-bottom: 1px solid var(--border-color);
        gap: var(--spacing-md);
        z-index: 100;
    }

    .nav-menu.open {
        display: flex;
    }

    .mobile-toggle {
        display: block;
    }

    .display-text {
        font-size: 2rem;
        line-height: 1.2;
    }

    .section-title {
        font-size: 1.3rem;
        margin-top: var(--spacing-lg);
    }

    /* Hero section - stack vertically */
    .hero {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 2rem !important;
    }

    .hero>div {
        min-width: 100% !important;
        width: 100% !important;
    }

    .hero img {
        width: 100% !important;
        height: auto !important;
        max-width: 400px;
        margin: 0 auto;
    }

    /* Expertise grid - single column */
    section>div[style*="grid-template-columns: 1fr 1fr"] {
        grid-template-columns: 1fr !important;
        gap: 1.5rem !important;
    }

    /* Testimonials - single column */
    .testimonials-grid {
        grid-template-columns: 1fr !important;
    }

    /* About page - stack vertically */
    .main-content>div[style*="display: flex"] {
        flex-direction: column !important;
    }

    .main-content img[style*="width: 350px"] {
        width: 100% !important;
        max-width: 350px;
        margin: 0 auto;
    }

    /* Contact page - stack form and info */
    main>div[style*="flex-wrap: wrap"] {
        flex-direction: column !important;
    }

    main>div[style*="flex-wrap: wrap"]>* {
        min-width: 100% !important;
    }
}

/* Services page responsive */
@media (max-width: 1024px) {

    /* 2 columns on tablet */
    main>div[style*="grid-template-columns: repeat(4, 1fr)"] {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

@media (max-width: 640px) {

    /* 1 column on mobile */
    main>div[style*="grid-template-columns: repeat(4, 1fr)"],
    main>div[style*="grid-template-columns: repeat(2, 1fr)"] {
        grid-template-columns: 1fr !important;
        gap: 1.5rem !important;
    }

    /* Make service images about 75% width on mobile */
    main div[style*="background: #F2F1F6"] {
        padding: 1rem !important;
        width: 75%;
        max-width: 100%;
    }
}