/* =============================================
   Tailor Craft Lab - Base Styles
   Clean, elegant, modern, neutral, refined
   ============================================= */

/* =============================================
   1. CSS Custom Properties (Variables)
   ============================================= */
:root {
  /* Color Palette - soft, neutral, textile-inspired */
  --color-bg: #f7f4f1;              /* main background: warm, paper-like */
  --color-surface: #ffffff;         /* cards, panels */
  --color-surface-muted: #f0ebe6;   /* subtle sections, alternates */
  --color-text: #2d2a26;            /* primary text: deep but soft */
  --color-text-muted: #7a7167;      /* secondary text */

  --color-primary: #b6895b;         /* warm camel / tailoring thread */
  --color-primary-soft: #e7d3b8;    /* light variant */
  --color-primary-dark: #9b6f42;    /* for hover / emphasis */

  --color-success: #4b7b5a;         /* calm green */
  --color-warning: #c28a3a;         /* muted amber */
  --color-danger: #a5524a;          /* soft brick red, not harsh */

  /* Neutral Grays with warm undertone */
  --gray-50:  #f8f5f2;
  --gray-100: #eee7e0;
  --gray-200: #e0d6cc;
  --gray-300: #cdbfaf;
  --gray-400: #b4a28f;
  --gray-500: #9b8a79;
  --gray-600: #7d6f61;
  --gray-700: #62564b;
  --gray-800: #433a33;
  --gray-900: #2b2520;

  /* Typography */
  --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  --font-serif: "Cormorant Garamond", "Georgia", serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --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: 1.6;
  --line-height-relaxed: 1.8;

  /* Spacing scale (4px baseline, 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 */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 18px;
  --radius-pill: 999px;

  /* Shadows - soft, diffuse */
  --shadow-xs: 0 1px 2px rgba(15, 10, 6, 0.04);
  --shadow-sm: 0 8px 20px rgba(15, 10, 6, 0.06);
  --shadow-md: 0 16px 40px rgba(15, 10, 6, 0.08);
  --shadow-lg: 0 24px 60px rgba(15, 10, 6, 0.12);

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

  /* Layout */
  --container-max-width: 1120px;
  --container-padding-x: var(--space-4);

  /* Z-index scale */
  --z-dropdown: 10;
  --z-sticky: 20;
  --z-modal: 40;
  --z-toast: 50;
}

@media (min-width: 768px) {
  :root {
    --container-padding-x: var(--space-6);
  }
}

/* =============================================
   2. Reset & Normalize
   ============================================= */

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

html {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  margin: 0;
}

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

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

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;
  padding: 0;
  background: none;
}

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

legend {
  padding: 0;
}

/* Remove default focus outlines, we will re-add accessible ones */
:focus {
  outline: none;
}

/* =============================================
   3. Base Typography & Elements
   ============================================= */

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

main {
  display: block;
}

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

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

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

strong,
b {
  font-weight: 600;
}

em,
i {
  font-style: italic;
}

/* Headings: modern, elegant scale */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: var(--line-height-tight);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}

h1 {
  font-size: var(--font-size-4xl);
}

h2 {
  font-size: var(--font-size-3xl);
}

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;
}

@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);
  }
}

/* Links */

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

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

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* Lists */

ul,
ol {
  margin-top: 0;
  margin-bottom: var(--space-4);
}

/* Horizontal rule - subtle divider like a seam line */

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

/* Code & preformatted */

code,
pre {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

pre {
  padding: var(--space-3);
  background-color: var(--gray-50);
  border-radius: var(--radius-sm);
  overflow-x: auto;
}

/* =============================================
   4. Accessibility & Motion
   ============================================= */

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

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

/* =============================================
   5. Layout Utilities
   ============================================= */

.container {
  width: 100%;
  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-12);
  padding-bottom: var(--space-12);
}

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

/* 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;
}

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

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

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

.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-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}

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

/* Alignment & text utilities */

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

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

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

/* Spacing utilities (common subset) */

.mt-0 { margin-top: 0 !important; }
.mt-4 { margin-top: var(--space-4) !important; }
.mt-6 { margin-top: var(--space-6) !important; }
.mt-8 { margin-top: var(--space-8) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-4 { margin-bottom: var(--space-4) !important; }
.mb-6 { margin-bottom: var(--space-6) !important; }
.mb-8 { margin-bottom: var(--space-8) !important; }

.pt-6 { padding-top: var(--space-6) !important; }
.pb-6 { padding-bottom: var(--space-6) !important; }

/* Width */

.w-full { width: 100%; }

/* =============================================
   6. Form Elements & Inputs
   ============================================= */

label {
  display: inline-block;
  margin-bottom: var(--space-1);
  font-size: var(--font-size-sm);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

input,
select,
textarea {
  width: 100%;
  padding: 0.625rem 0.75rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-200);
  background-color: var(--color-surface);
  color: var(--color-text);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    background-color var(--transition-base);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-muted);
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(182, 137, 91, 0.35);
}

input[disabled],
select[disabled],
textarea[disabled],
input[readonly],
textarea[readonly] {
  background-color: var(--gray-50);
  border-color: var(--gray-200);
  color: var(--gray-500);
  cursor: not-allowed;
}

textarea {
  min-height: 140px;
  resize: vertical;
}

/* =============================================
   7. Buttons
   ============================================= */

.button,
button,
input[type="button"],
input[type="submit"],
input[type="reset"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.5rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  background-color: var(--color-primary);
  color: #fff;
  font-size: var(--font-size-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  cursor: pointer;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast);
}

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

.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: 3px;
}

.button--ghost {
  background-color: transparent;
  color: var(--color-text);
  border-color: var(--gray-300);
}

.button--ghost:hover {
  background-color: rgba(182, 137, 91, 0.06);
  border-color: var(--color-primary);
}

.button--secondary {
  background-color: var(--color-surface);
  color: var(--color-text);
  border-color: var(--gray-300);
}

.button--secondary: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;
}

/* =============================================
   8. Cards & Surface Components
   ============================================= */

.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-5);
}

.card--muted {
  background-color: var(--gray-50);
  box-shadow: none;
  border: 1px solid var(--gray-100);
}

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

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

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

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

/* =============================================
   9. Media Helpers
   ============================================= */

.figure {
  margin: 0;
}

.figure img {
  border-radius: var(--radius-md);
}

.figure--shadow img {
  box-shadow: var(--shadow-md);
}

/* Before/After image layout helper */

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

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

/* =============================================
   10. Helper Classes for Status & Feedback
   ============================================= */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge--success {
  background-color: rgba(75, 123, 90, 0.08);
  color: var(--color-success);
}

.badge--warning {
  background-color: rgba(194, 138, 58, 0.08);
  color: var(--color-warning);
}

.badge--danger {
  background-color: rgba(165, 82, 74, 0.08);
  color: var(--color-danger);
}

.alert {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-size: var(--font-size-sm);
}

.alert--success {
  background-color: rgba(75, 123, 90, 0.06);
  border-color: rgba(75, 123, 90, 0.35);
  color: var(--color-success);
}

.alert--warning {
  background-color: rgba(194, 138, 58, 0.06);
  border-color: rgba(194, 138, 58, 0.35);
  color: var(--color-warning);
}

.alert--danger {
  background-color: rgba(165, 82, 74, 0.06);
  border-color: rgba(165, 82, 74, 0.35);
  color: var(--color-danger);
}

/* =============================================
   11. Footer & Meta
   ============================================= */

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

.footer-meta {
  border-top: 1px solid var(--gray-200);
  padding-top: var(--space-4);
  margin-top: var(--space-6);
}

/* End of base.css */