/**
 * CSS Variables for proptechnology.net
 * Design inspired by EBSWare: Dark navy/black + teal-green accent
 */

:root {
    /* PRIMARY COLORS FROM EBSWARE */
    --color-primary: #01d59b;         /* Teal-green accent */
    --color-primary-dark: #00a87a;
    --color-primary-light: #01f0b0;
    --color-primary-rgb: 1, 213, 155;

    /* Secondary/Dark Colors */
    --color-secondary: #10102E;       /* Dark header/section bg */
    --color-secondary-dark: #05091D;  /* Footer/deepest dark */
    --color-secondary-light: #1a1a4a;
    --color-secondary-rgb: 16, 16, 46;

    /* Accent */
    --color-accent: #01d59b;
    --color-accent-dark: #00a87a;
    --color-accent-light: #01f0b0;
    --color-accent-rgb: 1, 213, 155;

    /* Background Colors */
    --color-bg: #F7F7F7;              /* Light gray sections */
    --color-bg-dark: #E2E8F0;
    --color-bg-light: #FFFFFF;
    --color-bg-card: #FFFFFF;
    --color-bg-header: #10102E;       /* Dark header */
    --color-bg-footer: #05091D;       /* Very dark footer */
    --color-bg-dark-section: #0a0a1d; /* Dark content sections */

    /* Text Colors */
    --color-text: #232323;
    --color-text-light: #666666;
    --color-text-muted: #9d9d9d;
    --color-text-white: #FFFFFF;
    --color-text-on-primary: #FFFFFF;
    --color-text-on-secondary: #FFFFFF;

    /* Semantic Colors */
    --color-success: #01d59b;
    --color-error: #DC3545;
    --color-warning: #FFC107;
    --color-info: #43baff;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #01d59b 0%, #00a87a 100%);
    --gradient-hero: linear-gradient(180deg, #10102E 0%, #05091D 100%);
    --gradient-card-hover: linear-gradient(135deg, rgba(1, 213, 155, 0.1) 0%, rgba(1, 213, 155, 0.05) 100%);

    /* Typography */
    --font-main: "Poppins", "Rubik", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --font-heading: var(--font-main);
    --font-mono: "SF Mono", Monaco, monospace;

    /* Font Sizes - Fluid Typography */
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --text-sm: clamp(0.875rem, 0.8rem + 0.4vw, 1rem);
    --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
    --text-lg: clamp(1.125rem, 1rem + 0.5vw, 1.25rem);
    --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
    --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
    --text-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 2.5rem);
    --text-4xl: clamp(2.25rem, 1.75rem + 2.5vw, 3.5rem);

    /* Line Heights */
    --leading-tight: 1.2;
    --leading-normal: 1.5;
    --leading-relaxed: 1.75;

    /* Font Weights */
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;

    /* Spacing Scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Border Radius - EBSWare uses sharp corners (5px) */
    --radius-sm: 2px;
    --radius-md: 5px;
    --radius-lg: 5px;
    --radius-xl: 8px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    --shadow-card: 0 5px 30px rgba(0, 0, 0, 0.08);
    --shadow-card-hover: 0 10px 40px rgba(1, 213, 155, 0.2);
    --shadow-glow-primary: 0 0 20px rgba(1, 213, 155, 0.4);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Layout */
    --container-max: 1200px;
    --container-padding: 1rem;
    --header-height: 75px;
    --footer-min-height: 200px;

    /* Z-Index Scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-tooltip: 600;

    /* Carousel Animation */
    --carousel-speed-row1: 240s;
    --carousel-speed-row2: 250s;
    --carousel-speed-row3: 260s;
}