/**
 * CSS Custom Properties — Design Tokens
 *
 * Central design system variables for Švaros Partneriai.
 * All colors, typography, spacing, and breakpoints defined here.
 *
 * @package Svaros_Partneriai
 */

:root {
	/* ===========================
	   Colors — Brand
	   =========================== */
	--sp-color-primary: #00AEEF; /* Brand Blue */
	--sp-color-primary-light: #33BEF2;
	--sp-color-primary-dark: #008BBF;
	--sp-color-primary-bg: #E6F7FE;

	--sp-color-secondary: #1D1E20; /* Brand Black */
	--sp-color-secondary-light: #313235;
	--sp-color-secondary-dark: #000000;

	--sp-color-accent: #00AEEF;
	--sp-color-accent-light: #33BEF2;
	--sp-color-accent-dark: #008BBF;

	/* ===========================
	   Colors — Neutrals
	   =========================== */
	--sp-color-white: #FFFFFF;
	--sp-color-gray-50: #FAFAFA;
	--sp-color-gray-100: #F5F5F5;
	--sp-color-gray-200: #EEEEEE;
	--sp-color-gray-300: #E0E0E0;
	--sp-color-gray-400: #BDBDBD;
	--sp-color-gray-500: #9E9E9E;
	--sp-color-gray-600: #757575;
	--sp-color-gray-700: #616161;
	--sp-color-gray-800: #424242;
	--sp-color-gray-900: #212121;
	--sp-color-black: #111111;

	/* ===========================
	   Colors — Semantic
	   =========================== */
	--sp-color-success: #2E7D32;
	--sp-color-success-bg: #E8F5E9;
	--sp-color-warning: #F57F17;
	--sp-color-warning-bg: #FFF8E1;
	--sp-color-error: #C62828;
	--sp-color-error-bg: #FFEBEE;
	--sp-color-info: #1565C0;
	--sp-color-info-bg: #E3F2FD;

	/* ===========================
	   Colors — UI
	   =========================== */
	--sp-color-text: var(--sp-color-gray-900);
	--sp-color-text-light: var(--sp-color-gray-600);
	--sp-color-text-muted: var(--sp-color-gray-500);
	--sp-color-text-inverse: var(--sp-color-white);
	--sp-color-bg: var(--sp-color-white);
	--sp-color-bg-alt: var(--sp-color-gray-50);
	--sp-color-bg-dark: var(--sp-color-gray-900);
	--sp-color-border: var(--sp-color-gray-300);
	--sp-color-border-light: var(--sp-color-gray-200);

	/* ===========================
	   Typography
	   =========================== */
	--sp-font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
	--sp-font-family-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

	/* Font sizes — fluid scale (mobile → desktop) */
	--sp-text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.8125rem);
	/* 12–13px */
	--sp-text-sm: clamp(0.8125rem, 0.775rem + 0.25vw, 0.875rem);
	/* 13–14px */
	--sp-text-base: clamp(0.9375rem, 0.9rem + 0.25vw, 1rem);
	/* 15–16px */
	--sp-text-md: clamp(1rem, 0.95rem + 0.35vw, 1.125rem);
	/* 16–18px */
	--sp-text-lg: clamp(1.125rem, 1.05rem + 0.5vw, 1.25rem);
	/* 18–20px */
	--sp-text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
	/* 20–24px */
	--sp-text-2xl: clamp(1.5rem, 1.3rem + 1vw, 2rem);
	/* 24–32px */
	--sp-text-3xl: clamp(1.875rem, 1.5rem + 1.5vw, 2.5rem);
	/* 30–40px */
	--sp-text-4xl: clamp(2.25rem, 1.75rem + 2vw, 3rem);
	/* 36–48px */

	/* Font weights */
	--sp-font-regular: 400;
	--sp-font-medium: 500;
	--sp-font-semibold: 600;
	--sp-font-bold: 700;

	/* Line heights */
	--sp-leading-tight: 1.2;
	--sp-leading-snug: 1.35;
	--sp-leading-normal: 1.6;
	--sp-leading-relaxed: 1.75;

	/* ===========================
	   Spacing
	   =========================== */
	--sp-space-1: 0.25rem;
	/* 4px */
	--sp-space-2: 0.5rem;
	/* 8px */
	--sp-space-3: 0.75rem;
	/* 12px */
	--sp-space-4: 1rem;
	/* 16px */
	--sp-space-5: 1.25rem;
	/* 20px */
	--sp-space-6: 1.5rem;
	/* 24px */
	--sp-space-8: 2rem;
	/* 32px */
	--sp-space-10: 2.5rem;
	/* 40px */
	--sp-space-12: 3rem;
	/* 48px */
	--sp-space-16: 4rem;
	/* 64px */
	--sp-space-20: 5rem;
	/* 80px */
	--sp-space-24: 6rem;
	/* 96px */

	/* Section spacing */
	--sp-section-padding: clamp(4rem, 2.5rem + 5vw, 7.5rem);

	/* ===========================
	   Layout
	   =========================== */
	--sp-container-max: 1400px;
	--sp-container-narrow: 800px;
	--sp-container-wide: 1400px;
	--sp-container-padding: clamp(1rem, 0.5rem + 2vw, 2rem);

	/* ===========================
	   Borders & Radius
	   =========================== */
	--sp-radius-sm: 0.25rem;
	/* 4px */
	--sp-radius-md: 0.5rem;
	/* 8px */
	--sp-radius-lg: 0.75rem;
	/* 12px */
	--sp-radius-xl: 1rem;
	/* 16px */
	--sp-radius-full: 9999px;

	/* ===========================
	   Shadows
	   =========================== */
	--sp-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
	--sp-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
	--sp-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.06);
	--sp-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.06);

	/* ===========================
	   Transitions
	   =========================== */
	--sp-transition-fast: 150ms ease;
	--sp-transition-base: 250ms ease;
	--sp-transition-slow: 350ms ease;

	/* ===========================
	   Z-index scale
	   =========================== */
	--sp-z-dropdown: 100;
	--sp-z-sticky: 200;
	--sp-z-fixed: 300;
	--sp-z-modal-backdrop: 400;
	--sp-z-modal: 500;
	--sp-z-toast: 600;
}