:root {
  --color-warm-ivory: #F7F3EC;
  --color-sandstone: #E5D9C9;
  --color-muted-brick: #B5654A;
  --color-sage: #8A9A7B;
  --color-dark-forest: #1F3A2E;
  --color-graphite: #2E2E2E;
  --color-soft-white: #FFFFFF;
  --color-deep-shadow: rgba(31, 58, 46, 0.08);
  --color-border-light: rgba(46, 46, 46, 0.12);
  --color-border-forest: rgba(31, 58, 46, 0.15);
  --color-separator: rgba(46, 46, 46, 0.1);
  --color-overlay: rgba(31, 58, 46, 0.6);
  --color-image-overlay: rgba(31, 58, 46, 0.3);

  --font-heading: "Fraunces", serif;
  --font-body: "Inter", sans-serif;

  --text-h1-size: clamp(2.25rem, 1.5rem + 3vw, 3.5rem);
  --text-h1-line-height: 1.1;
  --text-h1-letter-spacing: -0.02em;
  --text-h1-weight: 600;

  --text-h2-size: clamp(1.75rem, 1.3rem + 1.8vw, 2.5rem);
  --text-h2-line-height: 1.15;
  --text-h2-letter-spacing: -0.01em;
  --text-h2-weight: 600;

  --text-h3-size: 1.75rem;
  --text-h3-line-height: 1.2;
  --text-h3-letter-spacing: 0;
  --text-h3-weight: 500;

  --text-h4-size: 1.375rem;
  --text-h4-line-height: 1.25;
  --text-h4-letter-spacing: 0;
  --text-h4-weight: 600;

  --text-body-large-size: 1.125rem;
  --text-body-large-line-height: 1.6;
  --text-body-large-letter-spacing: 0;
  --text-body-large-weight: 400;

  --text-body-size: 1rem;
  --text-body-line-height: 1.6;
  --text-body-letter-spacing: 0;
  --text-body-weight: 400;

  --text-caption-size: 0.875rem;
  --text-caption-line-height: 1.5;
  --text-caption-letter-spacing: 0.01em;
  --text-caption-weight: 400;

  --text-label-size: 0.8125rem;
  --text-label-line-height: 1.4;
  --text-label-letter-spacing: 0.04em;
  --text-label-weight: 500;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;

  --container-max: 1320px;
  --container-gutter-desktop: 48px;
  --container-gutter-tablet: 28px;
  --container-gutter-mobile: 18px;

  --section-vertical-desktop: 96px;
  --section-vertical-tablet: 64px;
  --section-vertical-mobile: 64px;

  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --radius-xl: 12px;

  --shadow-card: 0 2px 8px rgba(31, 58, 46, 0.06);
  --shadow-button: 0 1px 3px rgba(31, 58, 46, 0.08);

  --transition-fast: 150ms ease-out;
  --focus-ring: 2px solid var(--color-dark-forest);
  --focus-offset: 2px;
}

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

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-body-size);
  font-weight: var(--text-body-weight);
  line-height: var(--text-body-line-height);
  letter-spacing: var(--text-body-letter-spacing);
  color: var(--color-graphite);
  background-color: var(--color-warm-ivory);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: none;
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

ul,
ol {
  list-style: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  color: var(--color-dark-forest);
  overflow-wrap: break-word;
  word-wrap: break-word;
}

h1 {
  font-size: var(--text-h1-size);
  line-height: var(--text-h1-line-height);
  letter-spacing: var(--text-h1-letter-spacing);
  font-weight: var(--text-h1-weight);
  margin-block-end: var(--space-5);
}

h2 {
  font-size: var(--text-h2-size);
  line-height: var(--text-h2-line-height);
  letter-spacing: var(--text-h2-letter-spacing);
  font-weight: var(--text-h2-weight);
  margin-block-end: var(--space-5);
}

h3 {
  font-size: var(--text-h3-size);
  line-height: var(--text-h3-line-height);
  letter-spacing: var(--text-h3-letter-spacing);
  font-weight: var(--text-h3-weight);
  margin-block-end: var(--space-4);
}

h4 {
  font-family: var(--font-body);
  font-size: var(--text-h4-size);
  line-height: var(--text-h4-line-height);
  letter-spacing: var(--text-h4-letter-spacing);
  font-weight: var(--text-h4-weight);
  color: var(--color-dark-forest);
  margin-block-end: var(--space-4);
}

p {
  font-size: var(--text-body-size);
  line-height: var(--text-body-line-height);
  letter-spacing: var(--text-body-letter-spacing);
  font-weight: var(--text-body-weight);
  color: var(--color-graphite);
  margin-block-end: var(--space-4);
}

blockquote {
  margin-block-end: var(--space-5);
  padding-inline-start: var(--space-5);
  border-inline-start: 2px solid var(--color-muted-brick);
  font-style: italic;
  color: var(--color-graphite);
}

blockquote p {
  margin-block-end: var(--space-3);
}

blockquote p:last-child {
  margin-block-end: 0;
}

address {
  font-style: normal;
}

hr {
  border: none;
  border-block-start: 1px solid var(--color-separator);
  margin-block: var(--space-7);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-gutter-desktop);
}

.section {
  padding-block: var(--section-vertical-desktop);
}

.surface-ivory {
  background-color: var(--color-warm-ivory);
}

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

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

.surface-dark-forest {
  background-color: var(--color-dark-forest);
}

.surface-soft-white {
  background-color: var(--color-soft-white);
}

.card {
  background-color: var(--color-soft-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--space-6);
}

.card > :last-child {
  margin-block-end: 0;
}

.panel {
  background-color: var(--color-sandstone);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
}

.panel > :last-child {
  margin-block-end: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-body-size);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  min-height: 48px;
  text-align: center;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

.btn-primary {
  background-color: var(--color-dark-forest);
  color: var(--color-warm-ivory);
  border-color: var(--color-dark-forest);
}

.btn-primary:hover {
  background-color: #162b22;
  border-color: #162b22;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-graphite);
  border-color: var(--color-graphite);
}

.btn-secondary:hover {
  background-color: var(--color-graphite);
  color: var(--color-warm-ivory);
}

.btn-accent {
  background-color: var(--color-muted-brick);
  color: var(--color-warm-ivory);
  border-color: var(--color-muted-brick);
}

.btn-accent:hover {
  background-color: #9c5038;
  border-color: #9c5038;
}

.link {
  color: var(--color-graphite);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.link:hover {
  text-decoration: underline;
  text-decoration-color: var(--color-muted-brick);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.link:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

.label {
  font-family: var(--font-body);
  font-size: var(--text-label-size);
  line-height: var(--text-label-line-height);
  letter-spacing: var(--text-label-letter-spacing);
  font-weight: var(--text-label-weight);
  text-transform: uppercase;
  color: var(--color-graphite);
}

.caption {
  font-size: var(--text-caption-size);
  line-height: var(--text-caption-line-height);
  letter-spacing: var(--text-caption-letter-spacing);
  font-weight: var(--text-caption-weight);
  color: var(--color-graphite);
}

.body-large {
  font-size: var(--text-body-large-size);
  line-height: var(--text-body-large-line-height);
  letter-spacing: var(--text-body-large-letter-spacing);
  font-weight: var(--text-body-large-weight);
}

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

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  z-index: 1000;
  background-color: var(--color-dark-forest);
  color: var(--color-warm-ivory);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
}

::selection {
  background-color: var(--color-sage);
  color: var(--color-dark-forest);
}

@media (max-width: 1024px) {
  .container {
    padding-inline: var(--container-gutter-tablet);
  }

  .section {
    padding-block: var(--section-vertical-tablet);
  }

  .card {
    padding: var(--space-5);
  }

  .panel {
    padding: var(--space-5);
  }
}

@media (max-width: 640px) {
  .container {
    padding-inline: var(--container-gutter-mobile);
  }

  .section {
    padding-block: var(--section-vertical-mobile);
  }

  .card {
    padding: var(--space-4);
    border-radius: var(--radius-lg);
  }

  .panel {
    padding: var(--space-4);
    border-radius: var(--radius-lg);
  }

  .btn {
    width: 100%;
  }
}