/* ============================================================
   GILL INDUSTRIES - GLOBAL STYLES
   Base styles and typography
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Barlow+Semi+Condensed:wght@400;500;600;700&family=Nunito+Sans:wght@400;500;600;700&family=Space+Mono:wght@400;700&display=swap');

/* ========== RESET & NORMALIZE ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
  color: var(--color-secondary-main);
  background-color: var(--color-surface-alt);
  transition: background-color var(--transition-normal), color var(--transition-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.skip-link {
  position: absolute;
  left: var(--spacing-lg);
  top: -40px;
  background-color: var(--color-neutral-white);
  color: var(--color-primary-dark);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  text-decoration: none;
  z-index: var(--z-fixed);
  transition: top var(--transition-fast), box-shadow var(--transition-fast);
}

.skip-link:focus {
  top: var(--spacing-sm);
  box-shadow: var(--shadow-lg);
}

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-secondary);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-neutral-dark-gray);
  margin-bottom: var(--spacing-md);
  margin-top: 0;
  letter-spacing: -0.25px;
}

h1 {
  font-size: var(--font-size-5xl);
  letter-spacing: var(--letter-spacing-tight);
}

h2 {
  font-size: var(--font-size-4xl);
  letter-spacing: var(--letter-spacing-tight);
}

h3 {
  font-size: var(--font-size-3xl);
  letter-spacing: var(--letter-spacing-tight);
}

h4 {
  font-size: var(--font-size-2xl);
  letter-spacing: var(--letter-spacing-normal);
}

h5 {
  font-size: var(--font-size-xl);
  letter-spacing: var(--letter-spacing-normal);
}

h6 {
  font-size: var(--font-size-lg);
  letter-spacing: var(--letter-spacing-normal);
}

p {
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-relaxed);
  color: var(--color-secondary-main);
}

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

.lead {
  font-size: var(--font-size-lg);
  color: var(--color-neutral-dark-gray);
  line-height: 1.7;
}

/* ========== LINKS ========== */
a {
  color: var(--link-color);
  text-decoration: var(--link-text-decoration);
  transition: color var(--transition-fast), text-decoration var(--transition-fast);
  cursor: pointer;
}

a:hover {
  color: var(--link-color-hover);
  text-decoration: var(--link-text-decoration-hover);
}

a:visited {
  color: var(--link-color-visited);
}

a:focus {
  outline: var(--focus-outline-width) solid var(--focus-outline-color);
  outline-offset: var(--focus-outline-offset);
  border-radius: var(--radius-sm);
}

/* ========== LISTS ========== */
ul, ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-2xl);
}

li {
  margin-bottom: var(--spacing-sm);
  line-height: var(--line-height-relaxed);
}

ul ul, ol ol, ul ol, ol ul {
  margin-bottom: 0;
  margin-top: var(--spacing-sm);
}

dl {
  margin-bottom: var(--spacing-md);
}

dt {
  font-weight: var(--font-weight-semibold);
  margin-top: var(--spacing-md);
}

dd {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
}

/* ========== BLOCKQUOTES ========== */
blockquote {
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-md) var(--spacing-lg);
  border-left: 4px solid var(--color-primary-main);
  background-color: var(--color-neutral-light-gray);
  font-style: italic;
  color: var(--color-secondary-main);
}

blockquote p {
  margin-bottom: 0;
}

/* ========== CODE & PRE ========== */
code {
  background-color: var(--code-background);
  color: var(--code-color);
  padding: var(--code-padding);
  border-radius: var(--code-border-radius);
  font-family: var(--font-family-mono);
  font-size: 0.9em;
  word-break: break-word;
}

pre {
  background-color: var(--code-background);
  color: var(--code-color);
  padding: var(--spacing-lg);
  border-radius: var(--code-border-radius);
  border: 1px solid var(--code-border-color);
  overflow-x: auto;
  margin-bottom: var(--spacing-md);
}

pre code {
  background-color: transparent;
  color: inherit;
  padding: 0;
  border-radius: 0;
}

/* ========== HORIZONTAL RULE ========== */
hr {
  border: none;
  border-top: 1px solid var(--color-secondary-lighter);
  margin: var(--spacing-2xl) 0;
}

/* ========== IMAGES & MEDIA ========== */
img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

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

figure {
  margin: var(--spacing-lg) 0;
}

figcaption {
  font-size: var(--font-size-sm);
  color: var(--color-secondary-light);
  margin-top: var(--spacing-sm);
  font-style: italic;
}

/* ========== TABLES ========== */
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--spacing-lg);
  border: 1px solid var(--table-border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

thead {
  background-color: var(--table-header-background);
  color: var(--table-header-color);
}

th {
  padding: var(--table-cell-padding);
  text-align: left;
  font-weight: var(--font-weight-semibold);
  border-bottom: 2px solid var(--table-border-color);
}

td {
  padding: var(--table-cell-padding);
  border-bottom: 1px solid var(--table-border-color);
}

tbody tr:hover {
  background-color: var(--table-row-hover-background);
}

tbody tr:last-child td {
  border-bottom: none;
}

/* ========== FORM ELEMENTS ========== */
input, textarea, select, button {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="tel"],
input[type="url"],
input[type="search"],
input[type="date"],
input[type="time"],
textarea,
select {
  width: 100%;
  height: var(--input-height);
  padding: var(--input-padding);
  border: var(--input-border-width) solid var(--input-border-color);
  border-radius: var(--input-border-radius);
  background-color: var(--color-neutral-white);
  color: var(--color-neutral-dark-gray);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--input-border-color-focus);
  box-shadow: 0 0 0 3px rgba(0, 82, 163, 0.1);
}

input:disabled,
textarea:disabled,
select:disabled {
  background-color: var(--color-neutral-light-gray);
  cursor: not-allowed;
  opacity: 0.6;
}

input::placeholder,
textarea::placeholder {
  color: var(--color-secondary-light);
  opacity: 1;
}

/* ========== BUTTONS ========== */
button, input[type="button"], input[type="submit"], input[type="reset"] {
  height: var(--button-height);
  padding: var(--button-padding);
  border: none;
  border-radius: var(--button-border-radius);
  font-weight: var(--button-font-weight);
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  white-space: nowrap;
  user-select: none;
  -webkit-user-select: none;
}

button:focus,
input[type="button"]:focus,
input[type="submit"]:focus,
input[type="reset"]:focus {
  outline: var(--focus-outline-width) solid var(--focus-outline-color);
  outline-offset: var(--focus-outline-offset);
}

button:disabled,
input[type="button"]:disabled,
input[type="submit"]:disabled,
input[type="reset"]:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

/* ========== UTILITY CLASSES ========== */
.container {
  width: 100%;
  max-width: var(--container-lg);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }
}

@media (max-width: 576px) {
  .container {
    padding: 0 var(--spacing-md);
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.no-scroll {
  overflow: hidden;
}

/* ========== ACCESSIBILITY ========== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ========== PRINT STYLES ========== */
@media print {
  body {
    background-color: white;
    color: black;
  }

  a {
    text-decoration: underline;
  }

  h1, h2, h3, h4, h5, h6 {
    page-break-after: avoid;
  }

  p {
    orphans: 3;
    widows: 3;
  }

  img {
    max-width: 100%;
    page-break-inside: avoid;
  }

  table {
    border-collapse: collapse;
  }
}