/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,700;1,400;1,700&family=Source+Sans+Pro:wght@300;400;600;700&display=swap');

/* CSS Custom Properties - Typography System */
:root {
  /* Fonts */
  --font-body: 'Lora', Georgia, serif;
  --font-header: 'Source Sans Pro', sans-serif;
  --font-system: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;

  /* Typography Scale (Lincoln theme - Typography.js) */
  --base-size: 24px;
  --scale-ratio: 3;
  --line-height: 1.58;

  /* Spacing (rhythm units - based on 1.58rem) */
  --rhythm: 1.58rem;
  --rhythm-half: 0.79rem;
  --rhythm-quarter: 0.395rem;
  --rhythm-1-5: 2.37rem;
  --rhythm-3-4: 1.185rem;
  --rhythm-24: 37.92rem;

  /* Colors */
  --color-text: hsla(0, 0%, 0%, 0.73);
  --color-text-heading: hsla(0, 0%, 0%, 0.9);
  --color-text-muted: rgba(0, 0, 0, 0.5);
  --color-link: #134896;
  --color-background: #fcfcfc;
  --color-gradient-cyan: #d3f3ff;
  --color-gradient-green: #a9ffc4;
  --color-code-bg: #011627;
  --color-code-inline-bg: #d3f3ff;
  --color-button-blue: #0066cc;
  --color-button-blue-hover: #0052a3;
  --color-input-bg: #f1f1f2;

  /* Layout */
  --max-width: var(--rhythm-24);
  --padding-x: var(--rhythm-3-4);
  --padding-y: var(--rhythm-1-5);
}

/* Reset and Base Styles */
* {
  box-sizing: border-box;
}

html {
  font-size: 150%;
  line-height: var(--line-height);
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-header);
  font-weight: 700;
  line-height: 1.1;
  margin-left: 0;
  margin-right: 0;
  margin-top: 0;
  margin-bottom: var(--rhythm);
  padding: 0;
  color: var(--color-text-heading);
}

h1 {
  font-size: 3rem;
}

h2 {
  font-size: 1.93318rem;
}

h3 {
  font-size: 1.55185rem;
}

p {
  margin-left: 0;
  margin-right: 0;
  margin-top: 0;
  margin-bottom: var(--rhythm);
  padding: 0;
}

a {
  color: var(--color-link);
  text-decoration: none;
  background-image: linear-gradient(to top, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0) 1px, var(--color-link) 1px, var(--color-link) 2px, rgba(0, 0, 0, 0) 2px);
  text-shadow: 0.03em 0 var(--color-background), -0.03em 0 var(--color-background), 0 0.03em var(--color-background), 0 -0.03em var(--color-background);
}

a:hover,
a:active {
  text-shadow: none;
  background-image: none;
}

/* Top Gradient Bar */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 10px;
  background: linear-gradient(90deg, var(--color-gradient-cyan) 0%, var(--color-gradient-green) 85%);
  z-index: 1000;
}

/* Layout Container */
.container {
  margin-left: auto;
  margin-right: auto;
  max-width: var(--max-width);
  padding: var(--padding-y) var(--padding-x) 0;
}

/* Home Header */
.home-header {
  display: flex;
  margin-bottom: var(--rhythm-1-5);
  align-items: center;
  font-size: 1.44rem; /* scale(1/3) = 3^0.333 ≈ 1.44 */
}

.home-header p {
  margin: 0;
  color: #000;
}

/* Post List Container (home page) */
.post-list-container {
  margin-top: 4.74rem; /* rhythm(3) = 3 * 1.58rem */
}

/* Site Title (non-home pages) */
.site-title {
  margin-top: 0;
}

.site-title a {
  box-shadow: none;
  text-decoration: none;
  background-image: none;
  color: inherit;
  font-weight: 100;
}

/* Main Content */
main {
  margin-bottom: 11.85rem; /* rhythm(7.5) = 7.5 * 1.58rem */
}

/* Full-Bleed Sections */
.full-bleed {
  width: 100vw;
  margin-left: calc(50% - 50vw);
  padding: var(--padding-y) var(--padding-x);
  box-shadow: inset 0 -10px 13px rgba(0, 0, 0, 0.05);
  background: linear-gradient(90deg, var(--color-gradient-cyan) 0%, var(--color-gradient-green) 85%);
}

.full-bleed footer {
  margin-top: -8.69rem; /* rhythm(-5.5) = -5.5 * 1.58rem */
}

.full-bleed > * {
  max-width: var(--max-width);
  margin: 0 auto;
}

.full-bleed.skewed {
  transform: skew(0deg, -2deg);
}

.full-bleed.skewed > * {
  transform: skew(0deg, 2deg);
}

/* Code Blocks - Night Owl Theme Colors */
pre[class*="language-"] {
  background-color: var(--color-code-bg);
  color: #d6deeb;
  padding: var(--rhythm);
  border-radius: 0.5rem;
  overflow: auto;
  margin-bottom: var(--rhythm);
  font-size: 0.875rem;
  line-height: 1.5;
  font-family: 'Consolas', 'Monaco', 'Andale Mono', 'Ubuntu Mono', monospace;
}

code[class*="language-"] {
  background-color: transparent;
  color: #d6deeb;
  font-family: 'Consolas', 'Monaco', 'Andale Mono', 'Ubuntu Mono', monospace;
}

/* Night Owl Syntax Colors */
.token.comment,
.token.prolog,
.token.cdata {
  color: #637777;
  font-style: italic;
}

.token.punctuation {
  color: #c792ea;
}

.token.deleted {
  color: #ef535090;
}

.token.inserted {
  color: #addb67;
}

.token.keyword {
  color: #c792ea;
}

.token.operator {
  color: #c792ea;
}

.token.function {
  color: #82aaff;
}

.token.variable {
  color: #addb67;
}

.token.string {
  color: #ecc48d;
}

.token.char {
  color: #ecc48d;
}

.token.number {
  color: #f78c6c;
}

.token.boolean {
  color: #ff5874;
}

.token.tag {
  color: #f07178;
}

.token.attr-name {
  color: #addb67;
}

.token.attr-value {
  color: #ecc48d;
}

.token.class-name {
  color: #ffcb8b;
}

/* Inline Code */
code:not([class*="language-"]) {
  background-color: var(--color-code-inline-bg);
  color: var(--color-text);
  padding: 0.15em 0.4em;
  border-radius: 3px;
  font-size: 0.9em;
  font-family: 'Consolas', 'Monaco', 'Andale Mono', 'Ubuntu Mono', monospace;
}

/* Newsletter Form */
.newsletter-form {
  background-color: var(--color-background);
  padding: var(--padding-y);
  border-radius: 0.5rem;
  box-shadow: rgba(0, 37, 49, 0.05) 0px -7px 20px 0px, rgba(0, 0, 0, 0.05) 0px 3px 11px 1px;
  font-family: var(--font-system);
  width: 70%;
  min-width: 310px;
  margin: 0 auto;
}

.newsletter-form label {
  display: block;
  width: 100%;
  margin-bottom: var(--rhythm-quarter);
}

.newsletter-form input[type="email"] {
  width: 100%;
  background-color: var(--color-input-bg);
  border: 0;
  padding: var(--rhythm-quarter) var(--rhythm-half);
  border-radius: 4px;
  margin-bottom: var(--rhythm-half);
  font-size: 1rem;
  font-family: var(--font-system);
}

.newsletter-form input[type="email"]:focus {
  outline: 2px solid var(--color-button-blue);
  outline-offset: 2px;
}

/* MailerLite Form Overrides */
.ml-form-embedContainer {
  background-color: var(--color-background);
  padding: var(--padding-y);
  border-radius: 0.5rem;
  box-shadow: rgba(0, 37, 49, 0.05) 0px -7px 20px 0px, rgba(0, 0, 0, 0.05) 0px 3px 11px 1px;
  font-family: var(--font-system);
  width: 70%;
  min-width: 310px;
  margin: 0 auto;
}

.ml-form-embedWrapper {
  background: transparent !important;
}

.ml-form-embedBody,
.ml-form-successBody {
  padding: 0 !important;
}

.ml-form-embedContent p,
.ml-form-successContent p {
  font-family: var(--font-system) !important;
  font-size: 1rem !important;
  color: var(--color-text) !important;
  margin-bottom: var(--rhythm-half) !important;
}

.ml-form-fieldRow label {
  display: block;
  width: 100%;
  margin-bottom: var(--rhythm-quarter);
  font-family: var(--font-system) !important;
  font-size: 1rem !important;
  font-weight: normal !important;
  color: var(--color-text) !important;
}

.ml-form-fieldRow input[type="email"],
.ml-form-fieldRow .form-control {
  width: 100%;
  background-color: var(--color-input-bg) !important;
  border: 0 !important;
  padding: var(--rhythm-quarter) var(--rhythm-half) !important;
  border-radius: 4px !important;
  margin-bottom: var(--rhythm-half);
  font-size: 1rem !important;
  font-family: var(--font-system) !important;
  color: var(--color-text) !important;
}

.ml-form-fieldRow input[type="email"]:focus,
.ml-form-fieldRow .form-control:focus {
  outline: 2px solid var(--color-button-blue);
  outline-offset: 2px;
}

.ml-form-recaptcha {
  margin-bottom: var(--rhythm-half);
}

.ml-form-embedSubmit {
  margin: 0 !important;
}

.ml-form-embedSubmit button.primary {
  background-color: var(--color-button-blue) !important;
  color: var(--color-background) !important;
  border: none !important;
  border-radius: 4px !important;
  padding: var(--rhythm-quarter) var(--rhythm-half) !important;
  font-size: 1rem !important;
  font-family: var(--font-system) !important;
  font-weight: 600 !important;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.ml-form-embedSubmit button.primary:hover {
  background-color: var(--color-button-blue-hover) !important;
}

.ml-form-embedSubmitLoad {
  display: inline-block;
  width: 20px;
  height: 20px;
}

.ml-form-embedSubmitLoad:after {
  content: " ";
  display: block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 3px solid var(--color-button-blue);
  border-color: var(--color-button-blue) transparent var(--color-button-blue) transparent;
  animation: ml-spinner 1.2s linear infinite;
}

@keyframes ml-spinner {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

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

.ml-form-successContent {
  text-align: center;
  padding: var(--rhythm) 0;
}

@media (max-width: 768px) {
  .ml-form-embedContainer {
    width: 100%;
    min-width: unset;
  }
}

@media print {
  .ml-form-embedContainer {
    display: none;
  }
}

/* Button with Slide Animation */
.btn {
  position: relative;
  display: inline-block;
  padding: var(--rhythm-quarter) var(--rhythm-half);
  background-color: var(--color-button-blue);
  color: var(--color-background);
  border: none;
  border-radius: 4px;
  font-size: 1rem;
  font-family: var(--font-system);
  font-weight: 600;
  cursor: pointer;
  overflow: hidden;
  transition: background-color 0.2s ease;
}

.btn:hover {
  background-color: var(--color-button-blue-hover);
}

.btn span {
  position: relative;
  z-index: 1;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.1);
  transition: left 0.3s ease;
}

.btn:hover::before {
  left: 100%;
}

/* Images */
img {
  max-width: 100%;
  height: auto;
  margin: 0;
  padding: 0;
  margin-bottom: var(--rhythm);
  border-style: none;
}

.gatsby-resp-image-link {
  box-shadow: none;
  background-image: none;
}

/* Lists */
ul, ol {
  margin-left: var(--rhythm);
  margin-right: 0;
  margin-top: 0;
  margin-bottom: var(--rhythm);
  padding: 0;
}

li {
  margin-bottom: calc(var(--rhythm) / 2);
  padding-left: 0;
}

/* Blockquotes */
blockquote {
  margin: 0;
  padding: 0;
  padding-left: 0.9875rem;
  margin-bottom: var(--rhythm);
  border-left: 0.5925rem solid var(--color-link);
  font-style: italic;
  color: var(--color-text-muted);
}

/* Horizontal Rule */
hr {
  border: none;
  height: 1px;
  background-color: rgba(0, 0, 0, 0.1);
  margin: var(--rhythm-1-5) 0;
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--rhythm);
}

th, td {
  padding: var(--rhythm-half);
  border: 1px solid rgba(0, 0, 0, 0.1);
  text-align: left;
}

th {
  font-family: var(--font-header);
  font-weight: 600;
  background-color: var(--color-input-bg);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  :root {
    --base-size: 20px;
  }

  .newsletter-form {
    width: 100%;
    min-width: unset;
  }
}

/* Print styles */
@media print {
  body::before {
    display: none;
  }

  .newsletter-form,
  .btn {
    display: none;
  }
}