/* ========================================================================== */
/* Variables                                                                  */
/* ========================================================================== */

:root {
  /* Colors - KidsHappyStore: bright, playful, but readable */
  --color-bg: #fffdf8;
  --color-surface: #ffffff;
  --color-text: #222222;
  --color-muted-text: #666666;

  --color-primary: #ff8a3d; /* warm orange */
  --color-primary-soft: #ffe0c6;
  --color-primary-dark: #e26e1f;

  --color-success: #41b883; /* friendly green */
  --color-warning: #ffcc33;
  --color-danger: #ff4b6a;

  /* Neutral grays */
  --gray-50: #f9fafb;
  --gray-100: #f2f4f7;
  --gray-200: #e4e7ec;
  --gray-300: #d0d5dd;
  --gray-400: #98a2b3;
  --gray-500: #667085;
  --gray-600: #475467;
  --gray-700: #344054;
  --gray-800: #1d2939;
  --gray-900: #101828;

  /* Accent palette - playful colors for tags / sections */
  --accent-blue: #4b9dff;
  --accent-pink: #ff7bbf;
  --accent-yellow: #ffd94d;
  --accent-teal: #41d3c2;
  --accent-lilac: #9f8bff;

  /* Typography */
  --font-sans: "Baloo 2", "Nunito", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  --font-heading: "Baloo 2", "Nunito", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-base: 1rem;    /* 16px */
  --font-size-md: 1.0625rem; /* 17px - good for body on mobile */
  --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 */

  --line-height-tight: 1.2;
  --line-height-normal: 1.6;
  --line-height-relaxed: 1.8;

  /* Spacing scale (px) */
  --space-0: 0;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 28px;
  --space-8: 32px;
  --space-9: 36px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* Radius */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-pill: 999px;

  /* Shadows - soft and friendly */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-sm: 0 4px 10px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 8px 20px rgba(15, 23, 42, 0.12);

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

  /* Layout */
  --layout-max-width: 1120px;
  --layout-gutter: 16px;
  --header-height: 72px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  :root {
    --transition-fast: 0s;
    --transition-base: 0s;
    --transition-slow: 0s;
  }
}

/* ========================================================================== */
/* Reset / Normalize                                                          */
/* ========================================================================== */

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

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

body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
blockquote,
dl,
dd,
ul,
ol {
  margin: 0;
}

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

body {
  min-height: 100vh;
}

img,
svg,
video,
canvas,
audio,
iframe,
embed,
object {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

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

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

fieldset {
  border: none;
  margin: 0;
  padding: 0;
}

textarea {
  resize: vertical;
}

a {
  color: inherit;
  text-decoration: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* ========================================================================== */
/* Base                                                                       */
/* ========================================================================== */

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-md);
  line-height: var(--line-height-normal);
  background-color: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

main {
  display: block;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--gray-900);
  line-height: var(--line-height-tight);
}

h1 {
  font-size: clamp(2rem, 3vw, var(--font-size-4xl));
  letter-spacing: 0.01em;
}

h2 {
  font-size: clamp(1.75rem, 2.5vw, var(--font-size-3xl));
}

h3 {
  font-size: clamp(1.375rem, 2vw, 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);
}

h1,
h2,
h3 {
  margin-bottom: var(--space-3);
}

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

p:last-child {
  margin-bottom: 0;
}

strong,
b {
  font-weight: 700;
}

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

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

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

a:focus-visible {
  outline: 3px solid var(--accent-blue);
  outline-offset: 2px;
  border-radius: 4px;
}

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

/* ========================================================================== */
/* Accessibility                                                              */
/* ========================================================================== */

:focus-visible {
  outline: 3px solid var(--accent-blue);
  outline-offset: 2px;
}

:focus {
  outline: none;
}

.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;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ========================================================================== */
/* Layout & Utilities                                                         */
/* ========================================================================== */

.container {
  max-width: var(--layout-max-width);
  margin-inline: auto;
  padding-inline: var(--layout-gutter);
}

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

.section--alt {
  padding-block: var(--space-10);
  background-color: var(--gray-50);
}

@media (min-width: 768px) {
  .section {
    padding-block: var(--space-12);
  }
  .section--alt {
    padding-block: var(--space-12);
  }
}

/* Flex utilities */

.flex {
  display: flex;
}

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

.flex-row {
  flex-direction: row;
}

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

.flex-wrap {
  flex-wrap: wrap;
}

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

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

.justify-between {
  justify-content: space-between;
}

.justify-center {
  justify-content: center;
}

.gap-2 {
  gap: var(--space-2);
}

.gap-3 {
  gap: var(--space-3);
}

.gap-4 {
  gap: var(--space-4);
}

.gap-6 {
  gap: var(--space-6);
}

/* Grid helpers */

.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

@media (max-width: 767px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Spacing utilities */

.mt-4 {
  margin-top: var(--space-4);
}

.mt-6 {
  margin-top: var(--space-6);
}

.mb-4 {
  margin-bottom: var(--space-4);
}

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

.py-4 {
  padding-block: var(--space-4);
}

.py-6 {
  padding-block: var(--space-6);
}

.p-4 {
  padding: var(--space-4);
}

.p-6 {
  padding: var(--space-6);
}

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

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

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.badge--primary {
  background-color: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

.badge--blue {
  background-color: rgba(75, 157, 255, 0.12);
  color: var(--accent-blue);
}

.badge--green {
  background-color: rgba(65, 184, 131, 0.12);
  color: var(--color-success);
}

/* ========================================================================== */
/* Components                                                                 */
/* ========================================================================== */

/* Buttons */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-pill);
  border: none;
  background-color: var(--color-primary);
  color: #ffffff;
  font-weight: 600;
  font-size: var(--font-size-base);
  line-height: 1.2;
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast);
}

.button:hover {
  background-color: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.button:active {
  transform: translateY(0);
  box-shadow: var(--shadow-xs);
}

.button:focus-visible {
  outline: 3px solid var(--accent-blue);
  outline-offset: 2px;
}

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

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

.button--secondary {
  background-color: var(--accent-blue);
}

.button--secondary:hover {
  background-color: #2f7fe0;
}

.button--sm {
  padding: 0.45rem 1rem;
  font-size: var(--font-size-sm);
}

.button--lg {
  padding: 0.8rem 1.8rem;
  font-size: var(--font-size-lg);
}

.button[disabled],
.button--disabled {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

/* Inputs */

.input,
.select,
.textarea {
  width: 100%;
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gray-300);
  background-color: #ffffff;
  color: var(--color-text);
  font-size: var(--font-size-base);
  line-height: 1.4;
  transition: border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

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

.input:focus-visible,
.select:focus-visible,
.textarea:focus-visible {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(75, 157, 255, 0.25);
}

.input--error,
.textarea--error {
  border-color: var(--color-danger);
}

.input--error:focus-visible,
.textarea--error:focus-visible {
  box-shadow: 0 0 0 3px rgba(255, 75, 106, 0.25);
}

.label {
  display: block;
  margin-bottom: var(--space-1);
  font-weight: 600;
  font-size: var(--font-size-sm);
}

.field-help {
  margin-top: 2px;
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

/* Card - for game ideas, guides, feedback, etc. */

.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-4);
}

.card--interactive {
  cursor: pointer;
  transition: transform var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast);
}

.card--interactive:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  background-color: #fffdfb;
}

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

.card__title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-1);
}

.card__meta {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

.card__body {
  font-size: var(--font-size-base);
  color: var(--color-text);
}

.card__footer {
  margin-top: var(--space-3);
}

/* Tag row for thematic collections */

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag {
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background-color: var(--gray-100);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

.tag--play {
  background-color: rgba(255, 138, 61, 0.12);
  color: var(--color-primary-dark);
}

.tag--education {
  background-color: rgba(65, 184, 131, 0.12);
  color: var(--color-success);
}

.tag--outdoor {
  background-color: rgba(75, 157, 255, 0.12);
  color: var(--accent-blue);
}

/* Header & navigation baseline */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background-color: rgba(255, 253, 248, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 222, 189, 0.7);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.nav__link {
  position: relative;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--gray-700);
  padding: 0.25rem 0;
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--accent-pink));
  transition: width var(--transition-base);
}

.nav__link:hover::after,
.nav__link--active::after {
  width: 100%;
}

/* Footer baseline */

.site-footer {
  margin-top: var(--space-12);
  padding-block: var(--space-8);
  background: linear-gradient(135deg, #ffe8d2, #ffeef8);
  border-top: 1px solid rgba(255, 204, 51, 0.35);
}

.site-footer p,
.site-footer a {
  font-size: var(--font-size-sm);
  color: var(--gray-700);
}

/* Featured content & notices */

.highlight-box {
  border-radius: var(--radius-md);
  padding: var(--space-4);
  background: linear-gradient(120deg, #fff2da, #ffe5f4);
  box-shadow: var(--shadow-xs);
}

.notice-affiliate {
  font-size: var(--font-size-xs);
  color: var(--gray-600);
}

.notice-affiliate strong {
  color: var(--color-primary-dark);
}

/* Comments / feedback */

.comment {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background-color: #ffffff;
  border: 1px solid var(--gray-200);
}

.comment__author {
  font-weight: 600;
  font-size: var(--font-size-sm);
}

.comment__meta {
  font-size: var(--font-size-xs);
  color: var(--gray-500);
}

.comment__body {
  margin-top: var(--space-2);
  font-size: var(--font-size-sm);
}

/* Hero / page title baseline */

.hero {
  padding-block: var(--space-10);
}

.hero--home {
  padding-block: var(--space-12);
  background: radial-gradient(circle at top left, #ffe8d2 0, transparent 55%),
    radial-gradient(circle at top right, #ffd8f0 0, transparent 50%),
    radial-gradient(circle at bottom, #ddf8ff 0, transparent 55%);
}

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

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-muted-text);
  max-width: 40rem;
}

@media (min-width: 768px) {
  .hero--home {
    padding-block: var(--space-16);
  }
}