@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@400;500;600;700&family=Instrument+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@20..48,100..700,0..1,-50..200&display=block');

:root {
  /* Color Mode: LIGHT (Sandbox) */
  --bg-color: #efe9de;
  --surface-color: #efe9de;
  --surface-container: #f7f3ec; /* card background */
  --surface-container-high: #e3dacb; /* secondary / hover panel */
  --surface-container-lowest: #fffdf8; /* input background */
  --primary-color: #16150f; /* Ink */
  --primary-dim: #4a4539;
  --secondary-color: #1d4ed8; /* Accent blue */
  --secondary-active: #1d4ed8;
  --outline: #8a8272;
  --outline-variant: rgba(22, 21, 15, 0.14); /* Fine hairline border color */
  --outline-variant-strong: rgba(22, 21, 15, 0.2);
  --on-surface: #16150f;
  --on-surface-variant: #4a4539;
  --on-surface-muted: #6b6558;
  --on-surface-faint: #8a8272;

  /* Dark panel (about / footer) */
  --dark-bg: #16150f;
  --dark-on-surface: #efe9de;
  --dark-on-surface-variant: #cfc7b6;
  --dark-on-surface-faint: #a29a88;
  --dark-outline-variant: rgba(239, 233, 222, 0.16);

  /* Spacing & Rhythm */
  --spacing-base: 8px;
  --container-max: 1360px;
  --gutter: 24px;
  --margin-desktop: 64px;
  --margin-mobile: 16px;

  /* Shapes & Roundness */
  --border-radius: 0px; /* Square, technical corners with hairline borders */
}

html {
  scroll-behavior: smooth;
}

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

body {
  background-color: var(--bg-color);
  color: var(--on-surface);
  font-family: 'Instrument Sans', system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--primary-color);
  color: var(--bg-color);
}

/* Typography styles */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: 'Archivo', sans-serif;
  color: var(--on-surface);
  line-height: 1.1;
  font-weight: 600;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(34px, 6.4vw, 74px);
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(25px, 4.4vw, 44px);
  letter-spacing: -0.03em;
}

h3 {
  font-size: 21px;
}

pre,
code {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--secondary-color);
}

/* Helper utility classes */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 clamp(12px, 3vw, 24px);
  width: 100%;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--on-surface-faint);
}

/* Grid & Outline layout */
.blueprint-border {
  border: 1px solid var(--outline-variant);
}

.blueprint-grid {
  display: grid;
  gap: var(--gutter);
}

.dark-panel {
  background-color: var(--dark-bg);
  color: var(--dark-on-surface);
}

/* Buttons styling */
.btn {
  font-family: 'Archivo', sans-serif;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  padding: 0 24px;
  height: 54px;
  border-radius: var(--border-radius);
  transition: all 0.2s ease-in-out;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--bg-color);
  border: 1px solid var(--primary-color);
}

.btn-primary:hover {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
  color: #ffffff;
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary-color);
  border: 1px solid var(--outline-variant-strong);
}

.btn-secondary:hover {
  background-color: var(--surface-container-high);
  border-color: var(--primary-color);
}

/* Form Styling overrides for standard HubSpot forms */
.hs-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hs-form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.hs-form-field label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  text-transform: uppercase;
  color: var(--on-surface-faint);
  letter-spacing: 0.18em;
}

.hs-input {
  width: 100%;
  background-color: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant-strong);
  color: var(--on-surface);
  font-family: 'Instrument Sans', sans-serif;
  font-size: 15px;
  height: 48px;
  padding: 0 14px;
  border-radius: var(--border-radius);
  transition: border-color 0.2s ease;
}

.hs-input:focus {
  outline: none;
  border-color: var(--primary-color);
}

.hs-button {
  font-family: 'Archivo', sans-serif;
  font-size: 15px;
  font-weight: 500;
  background-color: var(--primary-color);
  color: var(--bg-color);
  border: 1px solid var(--primary-color);
  padding: 0 26px;
  height: 52px;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: all 0.2s ease;
  width: fit-content;
}

.hs-button:hover {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
  color: #ffffff;
}

/* Animations */
@keyframes sbBlink {
  0%,
  60% {
    opacity: 1;
  }
  61%,
  100% {
    opacity: 0.15;
  }
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
  background-color: var(--secondary-color);
  animation: sbBlink 2.4s infinite;
}

/* Blog Post content layout and typography */
.blog-post-section {
  padding: 80px 24px;
  background-color: var(--bg-color);
  border-bottom: 1px solid var(--outline-variant);
  padding-top: 0;
  padding-bottom: 0;
  border-bottom: none;
}

@media (min-width: 768px) {
  .blog-post-section {
    padding: 100px 64px;
    padding-top: 0;
    padding-bottom: 0;
  }
}

.blog-post-container {
  max-width: 800px;
  margin: 0 auto;
}

.blog-post-body {
  font-family: 'Instrument Sans', sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--on-surface-variant);
}

/* Rich Text Elements Styling */
.blog-post-body h2,
.blog-post-body h3,
.blog-post-body h4 {
  font-family: 'Archivo', sans-serif;
  color: var(--on-surface);
  margin: 40px 0 20px 0;
  font-weight: 600;
}

.blog-post-body h2 {
  font-size: 28px;
  border-bottom: 1px solid var(--outline-variant);
  padding-bottom: 12px;
}
.blog-post-body h3 {
  font-size: 22px;
}

.blog-post-body p {
  margin-bottom: 24px;
}

.blog-post-body ul,
.blog-post-body ol {
  margin: 0 0 24px 24px;
}

.blog-post-body li {
  margin-bottom: 8px;
}

.blog-post-body blockquote {
  border-left: 2px solid var(--secondary-color);
  padding: 8px 0 8px 24px;
  margin: 32px 0;
  font-style: italic;
  color: var(--on-surface);
}

.blog-post-body pre {
  background-color: var(--surface-container);
  border: 1px solid var(--outline-variant);
  padding: 20px;
  overflow-x: auto;
  margin: 32px 0;
}

.blog-post-body code {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 14px;
  color: var(--secondary-color);
}

.blog-post-body img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--outline-variant);
  margin: 32px 0;
}