/* ============================================================
   DESIGN SYSTEM & COLOR PALETTE
   ============================================================ */

:root {
  /* Primary Colors - Cool Coastal Vibes */
  --color-slate-dark: #2c3e50;
  --color-slate-medium: #34495e;
  --color-slate-light: #5d7a94;
  --color-steel-light: #95a5a6;
  --color-steel-lighter: #bdc3c7;

  /* Accent Colors - Vibrant Crimson */
  --color-crimson: #e74c3c;
  --color-crimson-dark: #c0392b;
  --color-crimson-light: #ec7063;

  /* Neutral Colors */
  --color-white: #ffffff;
  --color-off-white: #f8f9fa;
  --color-light-gray: #ecf0f1;
  --color-medium-gray: #bdc3c7;
  --color-dark-gray: #34495e;

  /* Functional Colors */
  --color-success: #27ae60;
  --color-warning: #f39c12;
  --color-error: #e74c3c;
  --color-info: #3498db;

  /* Typography */
  --font-family-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-family-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;

  /* Line Heights */
  --line-height-tight: 1.25;
  --line-height-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 2;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
   GLOBAL STYLES
   ============================================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-family-sans, sans-serif);
  color: var(--color-slate-dark);
  background-color: var(--color-white);
  line-height: var(--line-height-normal);
  font-weight: var(--font-weight-normal);
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-slate-dark);
  margin-bottom: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

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

h2 {
  font-size: var(--font-size-3xl);
  color: var(--color-slate-dark);
  border-bottom: 3px solid var(--color-crimson);
  padding-bottom: var(--spacing-md);
}

h3 {
  font-size: var(--font-size-2xl);
  color: var(--color-slate-medium);
}

h4 {
  font-size: var(--font-size-xl);
  color: var(--color-slate-light);
}

h5, h6 {
  font-size: var(--font-size-lg);
}

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

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

a:hover {
  color: var(--color-crimson-dark);
  text-decoration: underline;
}

strong {
  font-weight: var(--font-weight-bold);
}

em {
  font-style: italic;
}

/* ============================================================
   LAYOUT
   ============================================================ */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.main {
  flex: 1;
  min-height: calc(100vh - 140px);
}

/* ============================================================
   HEADER & NAVIGATION
   ============================================================ */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-white);
  box-shadow: var(--shadow-md);
  border-bottom: 2px solid var(--color-crimson);
}

.header__nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
  height: 80px;
}

.header__logo {
  display: flex;
  align-items: center;
}

.header__logo-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  color: var(--color-slate-dark);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
  text-decoration: none;
  transition: opacity var(--transition-base);
}

.header__logo-link:hover {
  opacity: 0.8;
}

.header__logo-icon {
  font-size: var(--font-size-2xl);
}

.header__logo-text {
  display: none;
  color: var(--color-slate-dark);
}

@media (min-width: 640px) {
  .header__logo-text {
    display: inline;
  }
}

.header__menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  height: 40px;
  width: 40px;
  align-items: center;
  justify-content: center;
}

.header__menu-icon {
  display: block;
  width: 24px;
  height: 20px;
  position: relative;
}

.header__menu-icon::before,
.header__menu-icon::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  background-color: var(--color-slate-dark);
  transition: transform var(--transition-base);
}

.header__menu-icon::before {
  top: 0;
}

.header__menu-icon::after {
  bottom: 0;
}

@media (max-width: 768px) {
  .header__menu-toggle {
    display: flex;
  }

  .header__menu {
    position: fixed;
    top: 80px;
    right: 0;
    left: 0;
    background-color: var(--color-white);
    flex-direction: column;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
    border-bottom: 2px solid var(--color-crimson);
  }

  .header__menu.active {
    max-height: 300px;
  }

  .header__menu li {
    border-bottom: 1px solid var(--color-light-gray);
  }

  .header__menu li a {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
  }
}

.header__menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-xl);
  align-items: center;
}

.header__link {
  color: var(--color-slate-medium);
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-base);
  position: relative;
}

.header__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-crimson);
  transition: width var(--transition-base);
}

.header__link:hover::after {
  width: 100%;
}

.header__link:hover {
  color: var(--color-crimson);
}

/* ============================================================
   FOOTER
   ============================================================ */

.footer {
  background-color: var(--color-slate-dark);
  color: var(--color-white);
  padding: var(--spacing-3xl) 0 var(--spacing-xl);
  margin-top: var(--spacing-3xl);
}

.footer .container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.footer__content h3 {
  color: var(--color-crimson);
  margin-bottom: var(--spacing-md);
}

.footer__content--copyright {
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer__links {
  list-style: none;
}

.footer__links li {
  margin-bottom: var(--spacing-sm);
}

.footer__links a {
  color: var(--color-steel-lighter);
  transition: color var(--transition-base);
}

.footer__links a:hover {
  color: var(--color-crimson);
  text-decoration: none;
}

.footer__copyright {
  color: var(--color-steel-lighter);
  font-size: var(--font-size-sm);
}

/* ============================================================
   HERO SECTION
   ============================================================ */

.hero {
  background: linear-gradient(135deg, #2c3e50 0%, #34495e 50%, #e74c3c 100%);
  color: var(--color-white);
  padding: var(--spacing-3xl) var(--spacing-md);
  text-align: center;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__content {
  max-width: 900px;
}

.hero__title {
  font-size: var(--font-size-4xl);
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
  line-height: var(--line-height-loose);
}

@media (max-width: 640px) {
  .hero__title {
    font-size: var(--font-size-3xl);
  }
}

.hero__subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-steel-lighter);
  margin-bottom: var(--spacing-xl);
  line-height: var(--line-height-relaxed);
}

.hero__description {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-2xl);
  color: var(--color-off-white);
}

.hero__buttons {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--radius-lg);
  font-family: var(--font-family-sans, sans-serif);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}

.btn:hover,
.btn:focus-visible {
  text-decoration: none;
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background-color: var(--color-crimson-dark);
  color: var(--color-white);
}

.btn--secondary:hover,
.btn--secondary:focus-visible {
  background-color: var(--color-off-white);
  color: var(--color-crimson-dark);
}

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  background-color: var(--color-crimson);
  color: var(--color-white);
}

.btn--secondary {
  background-color: var(--color-white);
  color: var(--color-slate-dark);
  border: 2px solid var(--color-crimson);
}

.btn__icon {
  font-size: var(--font-size-xl);
}

/* ============================================================
   CODE BLOCKS & HIGHLIGHTING
   ============================================================ */

code {
  font-family: var(--font-family-mono, monospace);
  font-size: var(--font-size-sm);
  background-color: var(--color-light-gray);
  color: var(--color-slate-dark);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-md);
}

pre {
  background-color: var(--color-off-white);
  color: var(--color-slate-dark);
  padding: calc(var(--spacing-lg) + 2rem) var(--spacing-lg) var(--spacing-lg);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  margin: var(--spacing-xl) 0;
  position: relative;
  border: 1px solid var(--color-steel-lighter);
  box-shadow: inset 4px 0 0 var(--color-crimson), var(--shadow-md);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-snug);
}

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

.hljs {
  background-color: transparent !important;
}

pre .code-language {
  position: absolute;
  top: var(--spacing-md);
  left: var(--spacing-md);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(44, 62, 80, 0.08), rgba(231, 76, 60, 0.12));
  color: var(--color-slate-dark);
  border: 1px solid rgba(149, 165, 166, 0.45);
  font-size: 0.72rem;
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  z-index: 1;
  pointer-events: none;
}

pre .copy-button {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-md);
  background-color: var(--color-crimson);
  color: var(--color-white);
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  transition: background-color var(--transition-base), transform var(--transition-base);
  z-index: 1;
}

pre .copy-button:hover,
pre .copy-button:focus-visible {
  background-color: var(--color-crimson-dark);
  transform: translateY(-1px);
}

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

pre .copy-button.copied {
  background-color: var(--color-success);
}

/* ============================================================
   ARTICLE & CONTENT
   ============================================================ */

.article {
  padding: var(--spacing-2xl) 0;
}

.article__header {
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-xl);
}

.article__title {
  font-size: var(--font-size-4xl);
  color: var(--color-slate-dark);
  margin-bottom: var(--spacing-md);
}

.article__content {
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
}

.article__content a:not(.direct-link) {
  color: var(--color-crimson);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  position: relative;
  padding: 0 0.08em;
  background-image: linear-gradient(transparent calc(100% - 0.18em), rgba(231, 76, 60, 0.16) 0);
  background-repeat: no-repeat;
  background-size: 100% 100%;
  transition: color var(--transition-base), background-size var(--transition-base), transform var(--transition-base), text-shadow var(--transition-base);
}

.article__content a:not(.direct-link)::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-crimson), var(--color-steel-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.article__content a:not(.direct-link):hover,
.article__content a:not(.direct-link):focus-visible {
  color: var(--color-crimson-dark);
  text-shadow: 0 0 10px rgba(231, 76, 60, 0.08);
  transform: translateY(-1px);
}

.article__content a:not(.direct-link):hover::after,
.article__content a:not(.direct-link):focus-visible::after {
  transform: scaleX(1);
}

.article__content a.direct-link {
  color: var(--color-steel-light);
  text-decoration: none;
  margin-left: var(--spacing-sm);
  opacity: 0.8;
  transition: color var(--transition-base), opacity var(--transition-base), transform var(--transition-base);
}

.article__content a.direct-link:hover,
.article__content a.direct-link:focus-visible {
  color: var(--color-crimson);
  opacity: 1;
  transform: scale(1.08);
}

.article__content > h1:first-child {
  font-size: var(--font-size-4xl);
  margin-top: 0;
  display: inline-block;
  padding-bottom: var(--spacing-sm);
  background: linear-gradient(90deg, var(--color-slate-dark) 0%, var(--color-slate-light) 45%, var(--color-crimson) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  position: relative;
}

.article__content > h1:first-child::after {
  content: '';
  display: block;
  height: 4px;
  margin-top: var(--spacing-sm);
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-crimson), var(--color-steel-light), var(--color-slate-light));
  box-shadow: 0 2px 10px rgba(231, 76, 60, 0.2);
}

.article__content > * + * {
  margin-top: var(--spacing-lg);
}

.article__content ul,
.article__content ol {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

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

.article__content blockquote {
  box-shadow: inset 4px 0 0 var(--color-crimson);
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-off-white);
  border-radius: var(--radius-md);
  margin: var(--spacing-lg) 0;
  font-style: italic;
  color: var(--color-slate-light);
}

/* ============================================================
   BREADCRUMBS
   ============================================================ */

.breadcrumbs {
  margin-bottom: var(--spacing-xl);
}

.breadcrumbs__list {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  font-size: var(--font-size-sm);
}

.breadcrumbs__item {
  display: flex;
  align-items: center;
}

.breadcrumbs__item::after {
  content: '/';
  margin-left: var(--spacing-md);
  color: var(--color-steel-light);
}

.breadcrumbs__item:last-child::after {
  display: none;
}

.breadcrumbs__link {
  color: var(--color-crimson);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-base);
}

.breadcrumbs__link:hover {
  color: var(--color-crimson-dark);
  text-decoration: underline;
}

.breadcrumbs__current {
  color: var(--color-slate-light);
  font-weight: var(--font-weight-semibold);
}

/* ============================================================
   TABLES
   ============================================================ */

table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-xl) 0;
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

thead {
  background-color: var(--color-slate-dark);
  color: var(--color-white);
}

th {
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: left;
  font-weight: var(--font-weight-semibold);
  border-bottom: 2px solid var(--color-crimson);
}

th a {
  color: var(--color-white);
  text-decoration: none;
  position: relative;
  transition: color var(--transition-base), text-shadow var(--transition-base);
}

th a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--color-crimson), var(--color-steel-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

th a:hover,
th a:focus-visible {
  color: var(--color-off-white);
  text-shadow: 0 0 10px rgba(255, 255, 255, 0.18);
  text-decoration: none;
}

th a:hover::after,
th a:focus-visible::after {
  transform: scaleX(1);
}

td {
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--color-light-gray);
}

tbody tr:hover {
  background-color: var(--color-off-white);
  transition: background-color var(--transition-base);
}

tbody tr:nth-child(even) {
  background-color: #f5f7fa;
}

/* Responsive table wrapper */
.table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: var(--spacing-xl) 0;
}

@media (max-width: 768px) {
  table {
    font-size: var(--font-size-sm);
  }

  th, td {
    padding: var(--spacing-md);
  }
}

/* ============================================================
   COLLAPSIBLE/TOGGLEABLE ELEMENTS
   ============================================================ */

.collapsible {
  margin: var(--spacing-xl) 0;
}

.collapsible__header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  background-color: var(--color-light-gray);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-lg);
  cursor: pointer;
  border: none;
  box-shadow: inset 4px 0 0 var(--color-crimson);
  font-family: var(--font-family-sans, sans-serif);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-slate-dark);
  width: 100%;
  transition: background-color var(--transition-base);
}

.collapsible__header:hover {
  background-color: var(--color-steel-lighter);
}

.collapsible__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background-color: var(--color-crimson);
  color: var(--color-white);
  border-radius: 50%;
  font-weight: var(--font-weight-bold);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.collapsible__header.active .collapsible__toggle {
  transform: rotate(180deg);
}

.collapsible__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
  background-color: var(--color-off-white);
  border: 1px solid var(--color-light-gray);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.collapsible__content.active {
  max-height: 1000px;
}

.collapsible__body {
  padding: var(--spacing-lg);
}

/* ============================================================
   FAQ SECTIONS
   ============================================================ */

.faq {
  background-color: var(--color-off-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  margin: var(--spacing-2xl) 0;
}

.faq__title {
  font-size: var(--font-size-2xl);
  color: var(--color-slate-dark);
  margin-bottom: var(--spacing-xl);
}

.faq__item {
  margin-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-light-gray);
  padding-bottom: var(--spacing-lg);
}

.faq__item:last-child {
  border-bottom: none;
}

.faq__question {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-slate-dark);
  margin-bottom: var(--spacing-md);
  cursor: pointer;
  transition: color var(--transition-base);
}

.faq__question:hover {
  color: var(--color-crimson);
}

.faq__answer {
  font-size: var(--font-size-sm);
  color: var(--color-slate-light);
  line-height: var(--line-height-relaxed);
}

/* ============================================================
   GRID SECTIONS
   ============================================================ */

.sections-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin: var(--spacing-2xl) 0;
}

.section-card {
  background-color: var(--color-white);
  border: 2px solid var(--color-light-gray);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.section-card:hover {
  border-color: var(--color-crimson);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.section-card__icon {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
}

.section-card__title {
  font-size: var(--font-size-xl);
  color: var(--color-slate-dark);
  margin-bottom: var(--spacing-md);
  flex-grow: 1;
}

.section-card__description {
  font-size: var(--font-size-sm);
  color: var(--color-slate-light);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-md);
}

.section-card__link {
  color: var(--color-crimson);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  transition: gap var(--transition-base);
}

.section-card__link:hover {
  gap: var(--spacing-md);
}

/* ============================================================
   RELATED LINKS
   ============================================================ */

.related-links {
  background-color: var(--color-off-white);
  border: 2px solid var(--color-light-gray);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.related-links__title {
  font-size: var(--font-size-lg);
  color: var(--color-slate-dark);
  margin-bottom: var(--spacing-lg);
}

.related-links__list {
  list-style: none;
}

.related-links__item {
  margin-bottom: var(--spacing-md);
}

.related-links__link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-crimson);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-base);
}

.related-links__link::before {
  content: '→';
  display: inline-block;
  transition: transform var(--transition-base);
}

.related-links__link:hover {
  color: var(--color-crimson-dark);
}

.related-links__link:hover::before {
  transform: translateX(4px);
}

/* ============================================================
   RESPONSIVE DESIGN
   ============================================================ */

@media (max-width: 768px) {
  :root {
    --font-size-4xl: 1.875rem;
    --font-size-3xl: 1.5rem;
    --spacing-3xl: 2rem;
  }

  .hero {
    min-height: 400px;
    padding: var(--spacing-2xl) var(--spacing-md);
  }

  .hero__buttons {
    flex-direction: column;
    align-items: stretch;
  }

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

  .sections-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================================
   UTILITY CLASSES
   ============================================================ */

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

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

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }