:root {
    --primary: #1a365d;
    --primary-light: #2c5282;
    --primary-dark: #0f2942;
    --accent: #e53e3e;
    --accent-light: #f56565;
    --text: #1a202c;
    --text-light: #4a5568;
    --text-muted: #718096;
    --background: #ffffff;
    --background-alt: #f7fafc;
    --card: #ffffff;
    --border: #e2e8f0;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.08), 0 1px 2px 0 rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --success: #48bb78;
    --error: #e53e3e;
    --warning: #ed8936;
    --info: #4299e1;
    --gradient-primary: linear-gradient(135deg, var(--primary), var(--primary-dark));
    --gradient-light: linear-gradient(135deg, #ffffff, #f7fafc);
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    --transition: all 0.2s ease;
}

@media (prefers-color-scheme: dark) {
    :root {
        --primary: #4a90e2;
        --primary-light: #5da3f5;
        --primary-dark: #3a7bc8;
        --accent: #f56565;
        --accent-light: #fc8181;
        --text: #f7fafc;
        --text-light: #cbd5e0;
        --text-muted: #a0aec0;
        --background: #0f1419;
        --background-alt: #1a202c;
        --card: #1a202c;
        --border: #2d3748;
        --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.4), 0 1px 2px 0 rgba(0, 0, 0, 0.2);
        --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
        --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
        --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
        --gradient-primary: linear-gradient(135deg, var(--primary-dark), var(--primary));
        --gradient-light: linear-gradient(135deg, #1a202c, #0f1419);
    }
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", "Helvetica", "Arial", sans-serif;
    background-color: var(--background);
    color: var(--text);
    line-height: 1.47059;
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-weight: 400;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    min-width: 320px;
    letter-spacing: -0.022em;
}

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    box-sizing: border-box;
}

@media (min-width: 1440px) {
    .container {
        padding: 0 48px;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 20px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
}

/* Ensure all content has minimum padding */
* {
    box-sizing: border-box;
}

/* Safety padding for all sections */
section {
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
}

/* Ensure minimum padding on mobile for all direct children of body */
@media (max-width: 768px) {
    body > * {
        min-width: 100%;
    }
    
    /* Extra safety for any missed containers */
    .hero-content,
    .section > *:first-child {
        padding-left: inherit;
        padding-right: inherit;
    }
}

.container-lg {
    max-width: 1440px;
}

.container-sm {
    max-width: 960px;
}

.section {
    padding: 120px 0;
}

@media (max-width: 768px) {
    .section {
        padding: 80px 0;
    }
}

.section-title {
    font-size: 48px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 20px;
    color: var(--text);
    letter-spacing: -0.003em;
    line-height: 1.08349;
}

.section-subtitle {
    font-size: 21px;
    text-align: center;
    margin-bottom: 48px;
    color: var(--text-light);
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.381;
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1.125rem;
        margin-bottom: 32px;
        padding: 0 12px;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
}

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

a:hover {
    color: var(--primary-dark);
}

@media (prefers-color-scheme: dark) {
    a:hover {
        color: var(--primary-light);
    }
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    letter-spacing: -0.025em;
    line-height: 1.1;
    margin-bottom: 0.5em;
    color: var(--text);
}

p {
    margin-bottom: 1em;
    line-height: 1.75;
}

@media (max-width: 640px) {
    p {
        line-height: 1.65;
    }
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted) !important; }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 2rem; }

.pt-1 { padding-top: 0.25rem; }
.pt-2 { padding-top: 0.5rem; }
.pt-3 { padding-top: 1rem; }
.pt-4 { padding-top: 1.5rem; }
.pt-5 { padding-top: 2rem; }

.pb-1 { padding-bottom: 0.25rem; }
.pb-2 { padding-bottom: 0.5rem; }
.pb-3 { padding-bottom: 1rem; }
.pb-4 { padding-bottom: 1.5rem; }
.pb-5 { padding-bottom: 2rem; }

/* Professional card style */
.professional-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
    overflow: hidden;
}

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

/* Professional button styles */
.btn-professional {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-decoration: none;
    line-height: 1;
    gap: 8px;
}

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

.btn-professional-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

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

/* Professional spacing */
.section-spacing {
    margin-bottom: 3rem;
}

@media (max-width: 768px) {
    .section-spacing {
        margin-bottom: 2rem;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    h4 { font-size: 1.25rem; }
    h5 { font-size: 1.125rem; }
    h6 { font-size: 1rem; }
}

@media (max-width: 480px) {
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    h4 { font-size: 1.125rem; }
    h5 { font-size: 1rem; }
    h6 { font-size: 0.875rem; }
}