/**
 * Fertilia Design System
 * Consistent spacing, colors, typography, and design tokens
 */

/* FONT FACES */

@font-face {
  font-family: 'Averta';
  src: url('../assets/fonts/AvertaDemoPE-ExtraBold.otf') format('opentype');
  font-weight: 800;
  font-style: normal;
  font-display: fallback;
}

@font-face {
  font-family: 'Geist';
  src: url('../assets/fonts/Geist-VariableFont_wght.ttf') format('truetype');
  font-weight: 100 900;
  font-style: normal;
  font-display: block;
}

@font-face {
  font-family: 'Myriad Pro';
  src: url('../assets/fonts/MyriadPro-Regular.otf') format('opentype');
  font-weight: 400;
  font-style: normal;
  font-display: fallback;
}

/* CSS VARIABLES - DESIGN TOKENS */

:root {
  /* COLORS - Primary Palette */
  --color-primary: #AC4581;        /* Pink - Primary brand color */
  --color-primary-dark: #8A3667;   /* Darker pink for hovers */
  --color-primary-light: #e6c7d9;  /* Light pink */

  --color-secondary: #54abb0;      /* Teal - Secondary brand color */
  --color-secondary-dark: #43898d; /* Darker teal */
  --color-secondary-light: #cbe6e7; /* Light teal */

  --color-accent: #9DD4E0;         /* Light blue/cyan - Accent color */

  /* COLORS - Neutrals */
  --color-dark: #2B3E3F;           /* Dark charcoal for text */
  --color-dark-overlay: rgba(43, 62, 63, 0.75); /* Dark overlay */
  --color-gray: #1d1d1b;           /* Medium gray */
  --color-gray-light: #E5E9EA;     /* Light gray for backgrounds */
  --color-neutral-darkest: #1d1d1b; /* Very dark neutral for strong/contrastive text or disclaimers */
  --color-white: #FFFFFF;

  /* COLORS - Semantic */
  --color-success: #54abb0;
  --color-error: #D84B6C;
  --color-warning: #F4A261;
  --color-info: #9DD4E0;

  /* TYPOGRAPHY - Font Families */
  --font-heading: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-accent: 'Averta', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-secondary: 'Myriad Pro', Georgia, serif;

  /* TYPOGRAPHY - Font Sizes */
  --text-xs: 0.75rem;      /* 12px */
  --text-sm: 0.875rem;     /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-lg: 1.125rem;     /* 18px */
  --text-xl: 1.25rem;      /* 20px */
  --text-2xl: 1.5rem;      /* 24px */
  --text-3xl: 1.875rem;    /* 30px */
  --text-4xl: 2.25rem;     /* 36px */
  --text-5xl: 3rem;        /* 48px */
  --text-6xl: 3.75rem;     /* 60px */

  /* TYPOGRAPHY - Font Weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;

  /* TYPOGRAPHY - Line Heights */
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.75;
  --leading-loose: 2;

  /* SPACING - Consistent spacing scale (8px base) */
  --space-0: 0;
  --space-1: 0.5rem;       /* 8px */
  --space-2: 1rem;         /* 16px */
  --space-3: 1.5rem;       /* 24px */
  --space-4: 2rem;         /* 32px */
  --space-5: 2.5rem;       /* 40px */
  --space-6: 3rem;         /* 48px */
  --space-8: 4rem;         /* 64px */
  --space-10: 5rem;        /* 80px */
  --space-12: 6rem;        /* 96px */
  --space-16: 8rem;        /* 128px */
  --space-20: 10rem;       /* 160px */

  /* LAYOUT - Container widths */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1440px;

  /* BORDERS */
  --border-radius-sm: 0.25rem;   /* 4px */
  --border-radius-md: 0.5rem;    /* 8px */
  --border-radius-lg: 1rem;      /* 16px */
  --border-radius-xl: 1.5rem;    /* 24px */
  --border-radius-full: 9999px;

  --border-width: 1px;
  --border-width-2: 2px;
  --border-width-4: 4px;

  /* SHADOWS */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* TRANSITIONS */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;

  /* Z-INDEX SCALE */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* ============================================
   GLOBAL RESETS & BASE STYLES
   ============================================ */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: var(--leading-normal);
  color: var(--color-dark);
  background-color: var(--color-white);
  overflow-x: hidden;
}

/* ============================================
   TYPOGRAPHY UTILITIES
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-extrabold);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-3);
  color: var(--color-dark);
}

h1 {
  font-size: var(--text-5xl);
}

h2 {
  font-size: var(--text-4xl);
  font-family: var(--font-body);
  font-weight: var(--font-bold);
}

h3 {
  font-size: var(--text-3xl);
}

h4 {
  font-size: var(--text-2xl);
}

h5 {
  font-size: var(--text-xl);
}

h6 {
  font-size: var(--text-lg);
}

p {
  margin-bottom: var(--space-3);
}

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

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

/* ============================================
   LAYOUT UTILITIES
   ============================================ */

.container {
  width: 100%;
  max-width: var(--container-xl);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.container-full {
  width: 100%;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.section {
  padding-top: var(--space-10);
  padding-bottom: var(--space-10);
}

/* BUTTON STYLES */

.btn {
  display: inline-block;
  padding: var(--space-2) var(--space-5);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: 0;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

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

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

.btn-text {
  background-color: transparent;
  color: var(--color-secondary);
  padding: var(--space-2) 0;
}

.btn-text:hover {
  background-color: transparent;
  color: var(--color-secondary-dark);
  transform: none;
  box-shadow: none;
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: var(--border-width-2) solid var(--color-primary);
}

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

/* ============================================
   CARD STYLES
   ============================================ */

.card {
  background-color: var(--color-white);
  border-radius: 0;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
}

/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */

@media (max-width: 640px) {
  :root {
    --text-5xl: 2.25rem;   /* 36px on mobile */
    --text-4xl: 1.875rem;  /* 30px on mobile */
    --text-3xl: 1.5rem;    /* 24px on mobile */
  }

  .section {
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
  }

  .container {
    padding-left: var(--space-3);
    padding-right: var(--space-3);
  }
}

@media (max-width: 768px) {
  h1 {
    font-size: var(--text-4xl);
  }

  h2 {
    font-size: var(--text-3xl);
  }
}

/* ============================================
   LARGE SCREEN OPTIMIZATIONS (min-width)
   ============================================ */

/* Full HD - 1920px and above */
@media (min-width: 1920px) {
  :root {
    --container-xl: 1600px;
    --container-2xl: 1800px;
  }

  html {
    font-size: 17px;  /* Subtle increase from 16px */
  }
}

/* 2K - 2560px and above */
@media (min-width: 2560px) {
  :root {
    --container-xl: 2000px;
    --container-2xl: 2200px;
  }

  html {
    font-size: 18px;  /* Slightly larger for readability */
  }
}

/* 4K - 3840px and above */
@media (min-width: 3840px) {
  :root {
    --container-xl: 2800px;
    --container-2xl: 3200px;
  }

  html {
    font-size: 20px;  /* Larger for 4K displays */
  }
}

/* ============================================
   LOADING ANIMATION
   ============================================ */

.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.page-loader__spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--color-primary-light);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}