/* ---- digiplanora Design System (Premium Professional Design) ---- */
:root {
    /* Primary - Professional Teal */
    --primary: #2C6E7E;
    --primary-light: #4A8E9E;
    --primary-dark: #1A4E5E;
    --primary-pale: #E8F2F5;
    
    /* Secondary - Warm Accent */
    --secondary: #D4A373;
    --secondary-light: #E8C9A8;
    --secondary-pale: #F8F0E8;
    
    /* Neutrals - Clean & Professional */
    --neutral-100: #F8F9FA;
    --neutral-200: #E9ECEF;
    --neutral-300: #DEE2E6;
    --neutral-400: #CED4DA;
    --neutral-500: #ADB5BD;
    --neutral-600: #6C757D;
    --neutral-700: #495057;
    --neutral-800: #343A40;
    --neutral-900: #212529;
    
    /* Status */
    --success: #2B8A6E;
    --info: #3B8B9E;
    --warning: #D4A373;
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    
    /* Typography */
    --font-primary: 'Lexend', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Lexend', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.10);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.12);
    
    /* Semantic Aliases */
    --brand-primary: var(--primary);
    --brand-primary-hover: var(--primary-dark);
    --brand-secondary: #6B5B95;
    --brand-tertiary: var(--secondary);
    
    --bg-primary: var(--neutral-100);
    --bg-surface: #FFFFFF;
    --bg-subtle: var(--neutral-200);
    --bg-card: #FFFFFF;
    --bg-accent-soft: var(--primary-pale);
    --bg-lavender-soft: #F1EEF8;
    --bg-amber-soft: var(--secondary-pale);
    --bg-blue-soft: #EEF4F8;
    
    --text-primary: var(--neutral-900);
    --text-secondary: var(--neutral-700);
    --text-muted: var(--neutral-600);
    --text-inverse: #FFFFFF;
    
    --border-subtle: var(--neutral-300);
    --border-card: var(--neutral-300);
    --border-focus: var(--primary);
    
    --container-max: 1200px;
    --container-narrow: 840px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-pill: 9999px;
    --focus-ring: 3px solid var(--primary);
    --focus-offset: 3px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--neutral-800);
    background: var(--neutral-100);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: var(--focus-ring);
    outline-offset: var(--focus-offset);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    color: var(--neutral-900);
    margin-bottom: var(--space-sm);
}

h1 { font-size: clamp(2.2rem, 4vw, 3.25rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.75rem, 3vw, 2.35rem); letter-spacing: -0.01em; margin-top: var(--space-md); }
h3 { font-size: 1.35rem; margin-top: var(--space-sm); }
h4 { font-size: 1.15rem; }

p {
    margin-bottom: var(--space-md);
    color: var(--neutral-700);
}

p.lead {
    font-size: 1.15rem;
    line-height: 1.75;
    color: var(--neutral-800);
}

a {
    text-decoration: none;
    color: var(--primary);
    transition: color 0.2s ease;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container-narrow {
    max-width: var(--container-narrow);
}

.section {
    padding: var(--space-xl) 0;
}

.section-alt {
    background-color: var(--neutral-200);
}

.section-white {
    background-color: var(--bg-surface);
}

/* ---- Grid Layouts ---- */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }

@media (max-width: 992px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
    .section { padding: var(--space-lg) 0; }
    .container { padding: 0 1rem; }
}

/* ---- Flex Utilities ---- */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: var(--space-sm); }
.gap-2 { gap: var(--space-md); }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: var(--space-lg); }
.flex-wrap { flex-wrap: wrap; }

/* ---- Badges ---- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.85rem;
    border-radius: var(--radius-pill);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}
.badge-sage { background-color: var(--primary-pale); color: var(--primary); border: 1px solid rgba(44, 110, 126, 0.25); }
.badge-lavender { background-color: var(--bg-lavender-soft); color: var(--brand-secondary); border: 1px solid rgba(107, 91, 149, 0.25); }
.badge-amber { background-color: var(--secondary-pale); color: var(--secondary); border: 1px solid rgba(212, 163, 115, 0.35); }
.badge-blue { background-color: var(--primary-pale); color: var(--primary); border: 1px solid rgba(44, 110, 126, 0.25); }

/* ---- Buttons ---- */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: white !important;
    padding: 0.875rem 2.25rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.01em;
    text-decoration: none;
    line-height: 1.2;
}

.btn-primary:hover {
    background: var(--primary-dark);
    color: white !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: var(--primary) !important;
    padding: 0.875rem 2.25rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    border: 2px solid var(--primary);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    line-height: 1.2;
}

.btn-secondary:hover {
    background: var(--primary);
    color: white !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-ghost {
    display: inline-block;
    color: var(--neutral-600);
    padding: 0.5rem 1rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn-ghost:hover {
    color: var(--primary);
}

.btn-sm {
    padding: 0.5rem 1.15rem;
    font-size: 0.875rem;
}

/* ---- Section Headers ---- */
.section-label {
    display: inline-block;
    background: var(--primary-pale);
    color: var(--primary);
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.section-header h2 {
    margin-bottom: var(--space-sm);
}

.section-header p {
    color: var(--neutral-600);
    font-size: 1.125rem;
    max-width: 640px;
    margin: 0 auto;
}

/* Accessibility Skip Link */
.skip-link {
    position: absolute;
    top: -100px;
    left: 1rem;
    background: var(--primary);
    color: white;
    padding: 0.75rem 1.5rem;
    z-index: 10000;
    border-radius: var(--radius-sm);
    text-decoration: none;
}
.skip-link:focus { top: 1rem; }

.breadcrumbs { padding: 1rem 0; font-size: 0.875rem; color: var(--neutral-600); }
.breadcrumbs a { color: var(--primary); }