:root {
  /* =============================
   *  COLOR SYSTEM
   * ============================= */
  --color-background: #f7f5f0; /* soft warm beige */
  --color-surface: #ffffff;    /* clean white */
  --color-text: #283137;       /* deep neutral for readability */
  --color-text-muted: #6f7880; /* subtle supporting text */

  --color-primary: #5da98b;    /* soft, reassuring green */
  --color-primary-soft: #e0f1ea;
  --color-primary-strong: #3a7a61;

  --color-success: #4baf7b;    /* confirmations, positive states */
  --color-warning: #e9a347;    /* gentle, non-alarming warning */
  --color-danger: #e56b6b;     /* friendly but clear error */
  --color-info: #5e8fcc;       /* gentle blue for info */

  /* Neutral grays (cool & warm mix for photos and UI) */
  --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;

  /* Subtle brown accents for warmth */
  --color-accent-brown: #a6774a;
  --color-accent-brown-soft: #f3e5d6;

  /* =============================
   *  TYPOGRAPHY
   * ============================= */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji",
    "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  --font-serif: "Merriweather", "Georgia", "Times New Roman", serif;
  --font-heading: "Poppins", var(--font-sans);

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-md: 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: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.25rem;  /* 20px */
  --space-6: 1.5rem;   /* 24px */
  --space-8: 2rem;     /* 32px */
  --space-10: 2.5rem;  /* 40px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */
  --space-20: 5rem;    /* 80px */
  --space-24: 6rem;    /* 96px */

  /* =============================
   *  RADIUS & SHADOWS
   * ============================= */
  --radius-sm: 0.25rem;  /* 4px */
  --radius-md: 0.5rem;   /* 8px */
  --radius-lg: 0.75rem;  /* 12px */
  --radius-xl: 1rem;     /* 16px */
  --radius-pill: 999px;

  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);

  /* =============================
   *  TRANSITIONS & MOTION
   * ============================= */
  --transition-fast: 120ms ease-out;
  --transition-base: 180ms ease-out;
  --transition-slow: 260ms ease-in-out;
}

/* =============================
 *  RESET / NORMALIZE
 * ============================= */

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

html {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

body {
  margin: 0;
}

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

ul,
ol {
  margin: 0;
  padding: 0;
}

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

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

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

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

/* Improve text rendering */
html {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Remove default focus outlines (we will re-add with :focus-visible) */
:focus {
  outline: none;
}

/* =============================
 *  BASE STYLES
 * ============================= */

body {
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--font-size-md);
  line-height: var(--line-height-relaxed);
  color: var(--color-text);
  background: radial-gradient(circle at top left, #f3f8fb 0, transparent 55%),
    radial-gradient(circle at bottom right, #f3e9df 0, transparent 55%),
    var(--color-background);
}

main {
  display: block;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--gray-900);
  line-height: var(--line-height-tight);
}

h1 {
  font-size: var(--font-size-4xl);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
}

h2 {
  font-size: var(--font-size-3xl);
  letter-spacing: -0.015em;
  margin-bottom: var(--space-3);
}

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

h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-2);
}

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

h6 {
  font-size: var(--font-size-md);
}

p {
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

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

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

strong {
  font-weight: 600;
}

em {
  font-style: italic;
}

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

a:hover {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: var(--color-primary-soft);
}

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

hr {
  border: none;
  border-top: 1px solid var(--gray-200);
  margin: var(--space-8) 0;
}

/* =============================
 *  ACCESSIBILITY & REDUCED MOTION
 * ============================= */

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

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

/* Layout container: centers content, used for structured pages, testimonials, booking */
.container {
  width: 100%;
  max-width: 1120px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--space-6);
    padding-right: var(--space-6);
  }
}

/* Flex helpers for aligning cards, service lists, testimonials */
.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;
}

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

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

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

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

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

/* Grid helpers for responsive service listings, profiles */
.grid {
  display: grid;
  gap: var(--space-4);
}

.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-5);
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Visually hidden but accessible (for Polish labels, helper text) */
.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;
}

/* Simple spacing utilities for quick layout tuning */
.mt-0 {
  margin-top: 0 !important;
}

.mb-0 {
  margin-bottom: 0 !important;
}

.mt-sm {
  margin-top: var(--space-3) !important;
}

.mb-sm {
  margin-bottom: var(--space-3) !important;
}

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

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

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

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

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

.text-muted {
  color: var(--color-text-muted);
}

/* =============================
 *  BASIC COMPONENTS
 * ============================= */

/* Buttons: primary CTA for booking, secondary for navigation */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  background-color: var(--color-primary);
  color: #ffffff!important;
  font-weight: 600;
  font-size: var(--font-size-sm);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast),
    border-color var(--transition-base),
    color var(--transition-base);
}

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

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

.button:focus-visible {
  outline: 2px solid var(--color-info);
  outline-offset: 2px;
}

.button--secondary {
  background-color: var(--color-surface);
  color: var(--color-primary-strong)!important;
  border-color: var(--color-primary-soft);
}

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

.button--ghost {
  background-color: transparent;
  color: var(--color-primary-strong)!important;
  border-color: transparent;
}

.button--ghost:hover {
  background-color: rgba(255, 255, 255, 0.6);
  border-color: var(--color-primary-soft);
}

.button--danger {
  background-color: var(--color-danger);
  color: #ffffff!important;
}

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

/* Form elements: consistent across booking steps, profiles, testimonials */
.input,
.textarea,
.select {
  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);
  font-size: var(--font-size-sm);
  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,
.textarea:focus-visible,
.select:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(93, 169, 139, 0.25);
}

.input[readonly],
.textarea[readonly] {
  background-color: var(--gray-50);
}

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

.textarea {
  min-height: 120px;
  resize: vertical;
}

.label {
  display: inline-block;
  margin-bottom: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--gray-800);
}

.field-helper {
  margin-top: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.field-error {
  margin-top: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

/* Card: used for nanny profiles, services, testimonials */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(148, 163, 184, 0.12);
  transition: box-shadow var(--transition-base),
    transform var(--transition-base),
    border-color var(--transition-base),
    background-color var(--transition-base);
}

.card--hoverable:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: rgba(93, 169, 139, 0.35);
}

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

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

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

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

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

/* Simple tag/pill for pet types, city, experience */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-primary-soft);
  background-color: #f5faf7;
  color: var(--color-primary-strong);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

.badge--soft-brown {
  border-color: var(--color-accent-brown-soft);
  background-color: #fbf4ec;
  color: var(--color-accent-brown);
}

/* =============================
 *  MEDIA WRAPPERS
 * ============================= */

/* For hero images of pets & caregivers to keep them soft and rounded */
.media-rounded {
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.media-soft-shadow {
  box-shadow: var(--shadow-md);
}

/* =============================
 *  RESPONSIVE TYPOGRAPHY TWEAKS
 * ============================= */

@media (max-width: 768px) {
  h1 {
    font-size: var(--font-size-3xl);
  }

  h2 {
    font-size: var(--font-size-2xl);
  }

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

/* End of base.css */