/* =========================================
   Variables
   ========================================= */
:root {
  /* Colors */
  --color-background: #f5f7fb;
  --color-surface: #ffffff;
  --color-text: #111827;
  --color-text-muted: #6b7280;

  --color-primary: #0ea5e9;        /* vibrant blue */
  --color-primary-dark: #0284c7;
  --color-primary-soft: #e0f2fe;

  --color-accent: #22c55e;         /* fresh green */
  --color-accent-dark: #16a34a;
  --color-accent-soft: #dcfce7;

  --color-success: #16a34a;
  --color-warning: #eab308;
  --color-danger: #dc2626;

  --color-success-soft: #dcfce7;
  --color-warning-soft: #fef9c3;
  --color-danger-soft: #fee2e2;

  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2933;
  --gray-900: #111827;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Inter", "Roboto", "Segoe UI", sans-serif;
  --font-heading: system-ui, -apple-system, BlinkMacSystemFont, "Poppins", "Inter", "Roboto", sans-serif;

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-base: 1rem;    /* 16px */
  --font-size-lg: 1.125rem;  /* 18px */
  --font-size-xl: 1.25rem;   /* 20px */
  --font-size-2xl: 1.5rem;   /* 24px */
  --font-size-3xl: 1.875rem; /* 30px */
  --font-size-4xl: 2.25rem;  /* 36px */
  --font-size-5xl: 3rem;     /* 48px */

  --line-height-tight: 1.2;
  --line-height-snug: 1.35;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing scale (0–96px) */
  --space-0: 0;
  --space-1: 0.125rem; /* 2px */
  --space-2: 0.25rem;  /* 4px */
  --space-3: 0.375rem; /* 6px */
  --space-4: 0.5rem;   /* 8px */
  --space-5: 0.625rem; /* 10px */
  --space-6: 0.75rem;  /* 12px */
  --space-8: 1rem;     /* 16px */
  --space-10: 1.25rem; /* 20px */
  --space-12: 1.5rem;  /* 24px */
  --space-16: 2rem;    /* 32px */
  --space-20: 2.5rem;  /* 40px */
  --space-24: 3rem;    /* 48px */
  --space-32: 4rem;    /* 64px */
  --space-40: 5rem;    /* 80px */
  --space-48: 6rem;    /* 96px */

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

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 8px rgba(15, 23, 42, 0.10);
  --shadow-lg: 0 10px 25px rgba(15, 23, 42, 0.15);

  /* Transitions */
  --transition-fast: 150ms ease-out;
  --transition-base: 200ms ease-out;
  --transition-slow: 300ms ease-out;
}

/* Respect prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  :root {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* =========================================
   Reset / Normalize
   ========================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  border: none;
  background: none;
  padding: 0;
}

p,
figure,
blockquote,
ul,
ol,
dl {
  margin: 0;
}

ul,
ol {
  padding-left: 1.25rem;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-weight: 600;
}

fieldset {
  border: 0;
  margin: 0;
  padding: 0;
}

legend {
  padding: 0;
}

/* =========================================
   Base Styles
   ========================================= */
body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  background-color: var(--color-background);
  color: var(--color-text);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

main {
  display: block;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  color: var(--color-text);
  line-height: var(--line-height-tight);
}

h1 {
  font-size: var(--font-size-4xl);
  letter-spacing: -0.03em;
}

h2 {
  font-size: var(--font-size-3xl);
  letter-spacing: -0.02em;
}

h3 {
  font-size: var(--font-size-2xl);
}

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

h5 {
  font-size: var(--font-size-lg);
}

h6 {
  font-size: var(--font-size-base);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

p {
  margin-bottom: var(--space-8);
  color: var(--color-text-muted);
}

strong,
b {
  font-weight: 600;
}

small {
  font-size: var(--font-size-sm);
}

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

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

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

code,
pre {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

/* =========================================
   Accessibility & Focus States
   ========================================= */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

:focus:not(:focus-visible) {
  outline: none;
}

[tabindex="-1"]:focus {
  outline: none !important;
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.sr-only-focusable:active,
.sr-only-focusable:focus {
  position: static;
  width: auto;
  height: auto;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

/* =========================================
   Utility Classes
   ========================================= */
.container {
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-16);
  padding-right: var(--space-16);
  max-width: 1200px;
}

@media (min-width: 1440px) {
  .container {
    max-width: 1320px;
  }
}

/* Layout helpers */
.flex {
  display: flex;
}

.inline-flex {
  display: inline-flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-column {
  display: flex;
  flex-direction: column;
}

.grid {
  display: grid;
}

.grid-center {
  display: grid;
  place-items: center;
}

.w-full {
  width: 100%;
}

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.hidden {
  display: none !important;
}

/* Spacing utilities (commonly used) */
.mt-0 { margin-top: 0; }
.mt-8 { margin-top: var(--space-8); }
.mt-16 { margin-top: var(--space-16); }
.mb-0 { margin-bottom: 0; }
.mb-8 { margin-bottom: var(--space-8); }
.mb-16 { margin-bottom: var(--space-16); }
.py-16 {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

/* =========================================
   Form Elements
   ========================================= */
input,
select,
textarea {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  background-color: var(--color-surface);
  color: var(--color-text);
  line-height: var(--line-height-normal);
  transition: border-color var(--transition-base),
              box-shadow var(--transition-base),
              background-color var(--transition-base);
}

input::placeholder,
textarea::placeholder {
  color: var(--gray-400);
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary-soft), var(--shadow-sm);
}

input[disabled],
select[disabled],
textarea[disabled],
input[aria-disabled="true"],
select[aria-disabled="true"],
textarea[aria-disabled="true"] {
  cursor: not-allowed;
  background-color: var(--gray-100);
  color: var(--gray-400);
}

label {
  display: inline-block;
  margin-bottom: var(--space-4);
  font-weight: 500;
}

/* =========================================
   Buttons
   ========================================= */
.button,
button,
input[type="button"],
input[type="submit"],
input[type="reset"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.7rem 1.4rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  font-weight: 600;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #ffffff;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast),
              box-shadow var(--transition-fast),
              background var(--transition-base),
              border-color var(--transition-base),
              color var(--transition-base);
}

.button:hover,
button:hover,
input[type="button"]:hover,
input[type="submit"]:hover,
input[type="reset"]:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-accent-dark));
}

.button:active,
button:active,
input[type="button"]:active,
input[type="submit"]:active,
input[type="reset"]:active {
  transform: translateY(0);
  box-shadow: var(--shadow-xs);
}

.button:focus-visible,
button:focus-visible,
input[type="button"]:focus-visible,
input[type="submit"]:focus-visible,
input[type="reset"]:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.button--secondary {
  background: #ffffff;
  color: var(--color-primary-dark);
  border-color: var(--color-primary-soft);
  box-shadow: var(--shadow-xs);
}

.button--secondary:hover {
  background: var(--color-primary-soft);
}

.button--ghost {
  background: transparent;
  color: var(--color-primary-dark);
  border-color: transparent;
  box-shadow: none;
}

.button--ghost:hover {
  background: rgba(14, 165, 233, 0.08);
}

.button[disabled],
button[disabled],
input[type="button"][disabled],
input[type="submit"][disabled],
input[type="reset"][disabled],
.button[aria-disabled="true"],
button[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.6;
  box-shadow: none;
  transform: none;
}

/* =========================================
   Components
   ========================================= */
/* Card – used for product tiles, info blocks, etc. */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(148, 163, 184, 0.18);
  padding: var(--space-16);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base),
              transform var(--transition-base),
              border-color var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: rgba(14, 165, 233, 0.40);
}

.card-header {
  margin-bottom: var(--space-8);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.card-body {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* Tag / pill for sporty labels (e.g., Kiemelt, Új, Akció) */
.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background-color: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

.pill--accent {
  background-color: var(--color-accent-soft);
  color: var(--color-accent-dark);
}

.pill--danger {
  background-color: var(--color-danger-soft);
  color: var(--color-danger);
}

/* Banner / section header for energetic hero areas */
.section-header {
  text-align: center;
  margin-bottom: var(--space-24);
}

.section-header-title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-4);
}

.section-header-subtitle {
  max-width: 40rem;
  margin: 0 auto;
  color: var(--color-text-muted);
}

/* =========================================
   Media Queries for Typography
   ========================================= */
@media (min-width: 768px) {
  h1 {
    font-size: var(--font-size-5xl);
  }

  h2 {
    font-size: var(--font-size-4xl);
  }

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

@media (max-width: 640px) {
  .container {
    padding-left: var(--space-8);
    padding-right: var(--space-8);
  }

  p {
    margin-bottom: var(--space-6);
  }
}