:root {
  --color-poker-green: #1A3C34;
  --color-charcoal: #2A2A2A;
  --color-warm-cream: #F5EFE6;
  --color-dark-timber: #4A3B32;
  --color-brick-red: #9B4A3A;
  --color-muted-gold: #C9A96B;
  --color-deep-shadow: rgba(26, 60, 52, 0.85);
  --color-dark-timber-border: rgba(74, 59, 50, 0.2);
  --color-muted-gold-border: rgba(201, 169, 107, 0.4);
  --font-heading: "Playfair Display", serif;
  --font-body: "Inter", sans-serif;
  --text-h1: clamp(2rem, 4vw, 2.5rem);
  --text-h2: clamp(1.75rem, 3vw, 2rem);
  --text-h3: 1.5rem;
  --text-h4: 1.25rem;
  --text-body: 1rem;
  --text-small: 0.875rem;
  --text-caption: 0.75rem;
  --leading-h1: 1.2;
  --leading-h2: 1.3;
  --leading-h3: 1.4;
  --leading-h4: 1.4;
  --leading-body: 1.6;
  --leading-small: 1.5;
  --leading-caption: 1.4;
  --weight-h1: 700;
  --weight-h2: 700;
  --weight-h3: 600;
  --weight-h4: 600;
  --weight-body: 400;
  --tracking-heading: 0.02em;
  --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: 1200px;
  --container-padding-mobile: 24px;
  --container-padding-desktop: 48px;
  --section-padding-mobile: 64px;
  --section-padding-desktop: 96px;
  --radius-small: 4px;
  --radius-medium: 8px;
  --radius-large: 16px;
  --shadow-modal: 0 8px 24px rgba(0, 0, 0, 0.2);
  --shadow-dropdown: 0 4px 12px rgba(0, 0, 0, 0.1);
  --transition-fast: 150ms ease-in-out;
  --focus-ring: 2px solid var(--color-muted-gold);
  --focus-offset: 2px;
  --overlay-warm: rgba(245, 239, 230, 0.1);
}

*,
*::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);
  font-weight: var(--weight-body);
  line-height: var(--leading-body);
  color: var(--color-charcoal);
  background-color: var(--color-warm-cream);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  color: var(--color-charcoal);
  letter-spacing: var(--tracking-heading);
  font-weight: var(--weight-h1);
  line-height: var(--leading-h1);
  margin-block-end: var(--space-4);
}

h1 {
  font-size: var(--text-h1);
  font-weight: var(--weight-h1);
  line-height: var(--leading-h1);
}

h2 {
  font-size: var(--text-h2);
  font-weight: var(--weight-h2);
  line-height: var(--leading-h2);
}

h3 {
  font-size: var(--text-h3);
  font-weight: var(--weight-h3);
  line-height: var(--leading-h3);
}

h4 {
  font-size: var(--text-h4);
  font-weight: var(--weight-h4);
  line-height: var(--leading-h4);
}

h5,
h6 {
  font-size: var(--text-h4);
  font-weight: var(--weight-h4);
  line-height: var(--leading-h4);
}

p {
  font-size: var(--text-body);
  line-height: var(--leading-body);
  margin-block-end: var(--space-4);
}

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

a {
  color: var(--color-poker-green);
  text-decoration: none;
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
}

a:hover {
  color: var(--color-brick-red);
  text-decoration: underline;
  text-decoration-color: var(--color-muted-gold);
  text-underline-offset: 3px;
}

a:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
  border-radius: var(--radius-small);
}

ul,
ol {
  margin-block-end: var(--space-4);
  padding-inline-start: var(--space-5);
}

ul:last-child,
ol:last-child {
  margin-block-end: 0;
}

blockquote {
  margin-block-end: var(--space-4);
  padding-inline-start: var(--space-5);
  border-inline-start: 2px solid var(--color-muted-gold);
  color: var(--color-dark-timber);
  font-style: italic;
}

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

figure {
  margin-block-end: var(--space-4);
}

figure:last-child {
  margin-block-end: 0;
}

figcaption {
  font-size: var(--text-caption);
  line-height: var(--leading-caption);
  color: var(--color-dark-timber);
  margin-block-start: var(--space-2);
}

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

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

input,
button,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
}

button {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
  border-radius: var(--radius-small);
}

input,
textarea,
select {
  border: 1px solid var(--color-dark-timber);
  border-radius: var(--radius-small);
  padding: var(--space-3);
  background-color: var(--color-warm-cream);
  color: var(--color-charcoal);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--color-muted-gold);
  box-shadow: 0 0 0 2px var(--color-muted-gold-border);
  outline: none;
}

input::placeholder,
textarea::placeholder {
  color: var(--color-dark-timber);
  opacity: 0.7;
}

textarea {
  resize: vertical;
  min-height: 100px;
}

select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%234A3B32' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-inline-end: var(--space-6);
}

label {
  display: block;
  font-size: var(--text-small);
  font-weight: 600;
  color: var(--color-charcoal);
  margin-block-end: var(--space-2);
}

fieldset {
  border: 1px solid var(--color-dark-timber-border);
  border-radius: var(--radius-medium);
  padding: var(--space-5);
  margin-block-end: var(--space-5);
}

legend {
  font-family: var(--font-heading);
  font-size: var(--text-h4);
  font-weight: var(--weight-h4);
  color: var(--color-charcoal);
  padding-inline: var(--space-2);
}

hr {
  border: none;
  border-block-start: 1px solid var(--color-dark-timber-border);
  margin-block: var(--space-6);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-block-end: var(--space-5);
}

th,
td {
  text-align: start;
  padding: var(--space-3) var(--space-4);
  border-block-end: 1px solid var(--color-dark-timber-border);
}

th {
  font-weight: 600;
  color: var(--color-poker-green);
  background-color: rgba(245, 239, 230, 0.5);
}

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

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

.surface-card {
  background-color: var(--color-warm-cream);
  border: 1px solid var(--color-dark-timber);
  border-radius: var(--radius-medium);
  padding: var(--space-5);
}

.surface-panel {
  background-color: var(--color-warm-cream);
  border: 1px solid var(--color-dark-timber-border);
  border-radius: var(--radius-medium);
  padding: var(--space-5);
}

.surface-dark {
  background-color: var(--color-charcoal);
  color: var(--color-warm-cream);
  border: 1px solid var(--color-muted-gold-border);
  border-radius: var(--radius-medium);
  padding: var(--space-5);
}

.surface-dark h1,
.surface-dark h2,
.surface-dark h3,
.surface-dark h4,
.surface-dark h5,
.surface-dark h6 {
  color: var(--color-warm-cream);
}

.surface-dark p,
.surface-dark li {
  color: var(--color-warm-cream);
}

.surface-dark a {
  color: var(--color-muted-gold);
}

.surface-dark a:hover {
  color: var(--color-warm-cream);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 600;
  line-height: 1.2;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-small);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
  min-height: 48px;
}

.btn:hover {
  text-decoration: none;
}

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

.btn-primary {
  background-color: var(--color-poker-green);
  color: var(--color-warm-cream);
  border-color: var(--color-poker-green);
}

.btn-primary:hover {
  background-color: #14302a;
  border-color: #14302a;
  color: var(--color-warm-cream);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-warm-cream);
  border-color: var(--color-muted-gold);
}

.btn-secondary:hover {
  background-color: var(--color-muted-gold);
  border-color: var(--color-muted-gold);
  color: var(--color-charcoal);
}

.btn-tertiary {
  background-color: transparent;
  color: var(--color-poker-green);
  border-color: var(--color-dark-timber);
}

.btn-tertiary:hover {
  background-color: var(--color-dark-timber);
  border-color: var(--color-dark-timber);
  color: var(--color-warm-cream);
}

.btn-small {
  font-size: var(--text-small);
  padding: var(--space-2) var(--space-4);
  min-height: 40px;
}

.btn-large {
  font-size: var(--text-h4);
  padding: var(--space-4) var(--space-6);
  min-height: 56px;
}

.btn-block {
  display: flex;
  width: 100%;
}

.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: 10000;
  background-color: var(--color-poker-green);
  color: var(--color-warm-cream);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-small);
  font-weight: 600;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-4);
  color: var(--color-warm-cream);
  text-decoration: none;
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--container-padding-desktop);
  }

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

  .surface-card,
  .surface-panel,
  .surface-dark {
    padding: var(--space-6);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}