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

:root {
  /* Colors - inspired by modern kitchens */
  --color-background: #f5f6f7; /* soft neutral background */
  --color-surface: #ffffff;
  --color-text: #15171a;
  --color-text-muted: #6f7680;

  --color-primary: #2f6fdd; /* trustworthy blue accent */
  --color-primary-soft: #e5efff;

  --color-success: #2e8b57;
  --color-warning: #c9861a;
  --color-danger: #cc3340;

  /* Neutral grays (inspired by stainless steel, modern kitchens) */
  --gray-50: #f7f8f9;
  --gray-100: #eceff1;
  --gray-200: #dde1e5;
  --gray-300: #c6ccd3;
  --gray-400: #a7afb8;
  --gray-500: #8a939e;
  --gray-600: #6f7680;
  --gray-700: #555b63;
  --gray-800: #373a3f;
  --gray-900: #1e2023;

  /* Accent colors (warm, welcoming) */
  --accent-warm: #d28a55; /* subtle terracotta / wood tone */
  --accent-soft: #ffece0;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
  --font-serif: "Georgia", "Times New Roman", serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;

  /* Font sizes (rem-based, desktop baseline) */
  --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 readability */
  --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 heights */
  --line-height-tight: 1.2;
  --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-7: 1.75rem;  /* 28px */
  --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 */

  /* Radii - soft, approachable */
  --radius-sm: 3px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --radius-xl: 16px;
  --radius-full: 999px;

  /* Shadows - subtle and clean */
  --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, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 10px 30px rgba(15, 23, 42, 0.12);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-normal: 180ms ease-out;
  --transition-slow: 240ms ease-out;
}

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

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

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

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

ul[role="list"],
ol[role="list"] {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

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;
  padding: 0;
  background: none;
}

textarea {
  resize: vertical;
}

:root {
  color-scheme: light;
}

/* Remove default focus outlines; reintroduce with :focus-visible below */
:focus {
  outline: none;
}

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

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-md);
  line-height: var(--line-height-relaxed);
  background-color: var(--color-background);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  display: block;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-sans);
  font-weight: 600;
  line-height: var(--line-height-tight);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

h1 {
  font-size: clamp(2rem, 1.4rem + 1.6vw, 2.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.5rem, 1.2rem + 0.8vw, 2rem);
}

h3 {
  font-size: 1.375rem;
}

h4 {
  font-size: 1.125rem;
}

h5 {
  font-size: 1rem;
}

h6 {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

p {
  margin-bottom: var(--space-4);
  /* comfortable line length for product descriptions */
}

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

strong {
  font-weight: 600;
}

code,
pre {
  font-family: var(--font-mono);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  text-underline-offset: 0.12em;
  transition: color var(--transition-normal);
}

a:hover {
  color: #2456ad;
}

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

hr {
  border: none;
  border-top: 1px solid var(--gray-200);
  margin: var(--space-6) 0;
}

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

/* Layout helpers */

.container {
  width: 100%;
  max-width: 1120px; /* comfortable content width for product grids */
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (min-width: 1200px) {
  .container {
    max-width: 1200px;
  }
}

.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;
}

.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 {
  display: grid;
}

.grid-auto-fit {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-5);
}

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

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

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

.w-full {
  width: 100%;
}

.max-w-readable {
  max-width: 70ch;
}

/* 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 */

.button,
button,
input[type="button"],
input[type="submit"],
input[type="reset"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  background-color: var(--color-primary);
  color: #ffffff;
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition:
    background-color var(--transition-normal),
    border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    transform var(--transition-fast);
}

.button:hover,
button:hover,
input[type="button"]:hover,
input[type="submit"]:hover,
input[type="reset"]:hover {
  background-color: #2456ad;
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
  color: #ffffff;
}

.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-primary);
  outline-offset: 2px;
}

.button--secondary {
  background-color: #ffffff;
  color: var(--color-text)!important;
  border-color: var(--gray-300);
}

.button--secondary:hover {
  background-color: var(--gray-50);
  border-color: var(--gray-400);
}

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

.button--ghost:hover {
  background-color: var(--gray-50);
}

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

/* Inputs & form controls */

input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
input[type="tel"],
input[type="number"],
select,
textarea {
  width: 100%;
  padding: 0.55rem 0.8rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-300);
  background-color: #ffffff;
  color: var(--color-text);
  font-size: var(--font-size-sm);
  line-height: 1.4;
  transition:
    border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    background-color var(--transition-normal);
}

input::placeholder,
textarea::placeholder {
  color: var(--gray-500);
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary-soft);
  outline: 2px solid var(--color-primary-soft);
  outline-offset: 0;
}

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

/* Card - for product tiles, info blocks */

.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  padding: var(--space-4);
  border: 1px solid rgba(15, 23, 42, 0.03);
}

.card--interactive {
  transition:
    box-shadow var(--transition-normal),
    transform var(--transition-normal),
    border-color var(--transition-normal);
}

.card--interactive:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: var(--color-primary-soft);
}

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

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

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

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

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

/* High contrast for key status messages */

[role="status"],
[role="alert"] {
  font-size: var(--font-size-sm);
}

.alert-success {
  background-color: #edf7f1;
  color: var(--color-success);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
}

.alert-warning {
  background-color: #fff6e8;
  color: var(--color-warning);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
}

.alert-danger {
  background-color: #ffecef;
  color: var(--color-danger);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
}

/* Respect prefers-reduced-motion */

@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;
  }
}