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

:root {
  /* Colors */
  --color-background: #f5f2ea; /* soft beige */
  --color-surface: #ffffff; /* crisp white */
  --color-text: #222222; /* deep neutral */
  --color-text-soft: #4b4b4b;
  --color-border-subtle: #e0ddd5;

  --color-primary: #3a7c3a; /* leafy green */
  --color-primary-soft: #e0f3e2;
  --color-primary-strong: #2b6130;

  --color-accent-sky: #4d90d6; /* sky blue */
  --color-accent-earth: #7a5b3a; /* earthy brown */

  --color-success: #2f855a;
  --color-warning: #c05621;
  --color-danger: #c53030;

  --gray-50: #faf9f5;
  --gray-100: #f1eee7;
  --gray-200: #e0ddd5;
  --gray-300: #cbc7be;
  --gray-400: #a8a398;
  --gray-500: #807a6e;
  --gray-600: #5f5a4f;
  --gray-700: #474238;
  --gray-800: #332f27;
  --gray-900: #1e1b16;

  /* 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-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 */

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

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

  /* Radius */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-pill: 999px;

  /* Shadows (soft, natural) */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 2px 6px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 18px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-normal: 180ms ease-out;
  --transition-slow: 260ms ease-out;

  /* Layout */
  --container-max-width: 1120px;
  --container-padding-x: 16px;

  /* Focus */
  --focus-ring-color: rgba(61, 129, 46, 0.5);
  --focus-ring-offset: 2px;
  --focus-ring-width: 2px;
}

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

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

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

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

body {
  min-height: 100vh;
}

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

picture {
  display: block;
}

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

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

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

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

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-relaxed);
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
}

main {
  display: block;
}

h1,
 h2,
 h3,
 h4,
 h5,
 h6 {
  font-family: var(--font-serif);
  color: var(--gray-900);
  line-height: var(--line-height-tight);
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(2rem, 3vw + 1rem, 2.75rem);
  margin-bottom: var(--space-16);
}

h2 {
  font-size: clamp(1.6rem, 2.4vw + 1rem, 2.2rem);
  margin-bottom: var(--space-12);
}

h3 {
  font-size: clamp(1.3rem, 1.8vw + 0.9rem, 1.7rem);
  margin-bottom: var(--space-10);
}

h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-8);
}

h5 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-6);
}

h6 {
  font-size: var(--font-size-base);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}

p {
  margin-bottom: var(--space-10);
  color: var(--color-text-soft);
  /* comfortable line length */
}

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

a {
  color: var(--color-primary-strong);
  text-decoration: none;
  text-underline-offset: 0.15em;
  transition: color var(--transition-normal),
    text-decoration-color var(--transition-normal);
}

a:hover {
  color: var(--color-accent-earth);
  text-decoration: underline;
}

a:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}

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

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

hr {
  border: none;
  border-top: 1px solid var(--color-border-subtle);
  margin: var(--space-16) 0;
}

/* ========================================================================
   Accessibility & Motion
   ======================================================================== */

:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: var(--focus-ring-offset);
}

@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;
  }
}

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

.container {
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding-x);
  padding-right: var(--container-padding-x);
}

.section {
  padding-top: var(--space-32);
  padding-bottom: var(--space-32);
}

.section--muted {
  background-color: var(--gray-50);
}

/* Flex 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;
}

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

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

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

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

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

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

.gap-8 {
  gap: var(--space-8);
}

.gap-12 {
  gap: var(--space-12);
}

.gap-16 {
  gap: var(--space-16);
}

/* Grid helpers */

.grid {
  display: grid;
}

.grid-auto-fit {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-16);
}

/* Utility spacing (minimal set for layout) */

.mt-0 {
  margin-top: 0;
}

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

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

.mb-12 {
  margin-bottom: var(--space-12);
}

.mb-16 {
  margin-bottom: var(--space-16);
}

.pt-16 {
  padding-top: var(--space-16);
}

.pb-16 {
  padding-bottom: var(--space-16);
}

.py-16 {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

/* Visually hidden (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;
}

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

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color var(--transition-normal),
    color var(--transition-normal),
    border-color var(--transition-normal),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-strong));
  color: #ffffff!important;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-strong), var(--color-accent-earth));
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

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

.btn-ghost {
  background-color: rgba(255, 255, 255, 0.6);
  color: var(--color-primary-strong);
  border-color: var(--color-border-subtle);
  backdrop-filter: blur(4px);
}

.btn-ghost:hover {
  background-color: #ffffff;
  border-color: var(--color-primary-soft);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary-strong);
  border-color: var(--color-primary-soft);
}

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

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

.btn:focus-visible {
  outline: var(--focus-ring-width) solid var(--focus-ring-color);
  outline-offset: 2px;
}

/* Inputs & form controls */

.input,
.select,
.textarea {
  width: 100%;
  padding: 0.55rem 0.8rem;
  font-size: var(--font-size-sm);
  color: var(--color-text);
  background-color: var(--color-surface);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-subtle);
  box-shadow: 0 0 0 0 rgba(0, 0, 0, 0);
  transition: border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    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(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary-soft);
}

.input[disabled],
.select[disabled],
.textarea[disabled] {
  background-color: var(--gray-100);
  cursor: not-allowed;
  color: var(--gray-500);
}

label {
  display: inline-block;
  margin-bottom: var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--gray-700);
}

.form-row {
  margin-bottom: var(--space-12);
}

/* Cards (for product tiles, recommendations, content blocks) */

.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-16);
  border: 1px solid rgba(255, 255, 255, 0.6);
  transition: box-shadow var(--transition-normal),
    transform var(--transition-normal),
    border-color var(--transition-normal),
    background-color var(--transition-normal);
}

.card--hoverable:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-soft);
}

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

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

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

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

.card-footer {
  margin-top: var(--space-12);
  flex-wrap: wrap;
}

/* Badges (for availability, eco labels, etc.) */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

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

.badge-warning {
  background-color: #fce3c6;
  color: var(--color-warning);
}

.badge-danger {
  background-color: #fdd5d5;
  color: var(--color-danger);
}

/* Image wrappers (for lifestyle & product images) */

.media-rounded {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

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

/* Simple tag for natural image borders */

.photo-frame {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-sm);
}

/* ========================================================================
   Helpers for theming sections
   ======================================================================== */

.bg-leaf {
  background: radial-gradient(circle at top left, #e6f6ea 0, transparent 55%),
    linear-gradient(135deg, #f8faf4, #f0f4ea);
}

.bg-sky {
  background: radial-gradient(circle at top, #e5f1fb 0, transparent 60%),
    linear-gradient(180deg, #f5f8fc, #eef3f9);
}

.bg-earth {
  background: linear-gradient(135deg, #f8f2ea, #ecdfd0);
}

.text-muted {
  color: var(--gray-600);
}

.text-accent {
  color: var(--color-accent-earth);
}

/* End of base.css */