:root {
  --color-charcoal: #1a1a1a;
  --color-ember: #ff6b35;
  --color-forest: #1e3d2f;
  --color-cream: #f5f0e6;
  --color-charcoal-soft: #2a2a2a;
  --color-ember-soft: #ff8c5a;
  --color-cream-muted: #d4cdbf;
  --color-forest-deep: #142b20;
  --color-error: #e74c3c;

  --font-heading: "Oswald", sans-serif;
  --font-body: "Source Sans 3", sans-serif;

  --text-display: 64px;
  --text-h1: 48px;
  --text-h2: 36px;
  --text-h3: 28px;
  --text-body-large: 20px;
  --text-body: 16px;
  --text-caption: 14px;

  --leading-display: 1.1;
  --leading-h1: 1.2;
  --leading-h2: 1.3;
  --leading-h3: 1.4;
  --leading-body-large: 1.6;
  --leading-body: 1.6;
  --leading-caption: 1.5;

  --weight-display: 700;
  --weight-h1: 700;
  --weight-h2: 600;
  --weight-h3: 600;
  --weight-body: 400;

  --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;

  --container-max: 1200px;
  --container-gutter: 24px;

  --radius-none: 0px;
  --radius-sm: 4px;
  --radius-lg: 8px;

  --border-dark: 1px solid rgba(245, 240, 230, 0.2);
  --border-light: 1px solid rgba(26, 26, 26, 0.2);

  --shadow-elevated: 0 2px 8px rgba(0, 0, 0, 0.3);

  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s ease;
}

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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  font-weight: var(--weight-body);
  color: var(--color-cream);
  background-color: var(--color-charcoal);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: var(--weight-h1);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-cream);
  line-height: var(--leading-h1);
}

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

h2 {
  font-size: var(--text-h2);
  line-height: var(--leading-h2);
  font-weight: var(--weight-h2);
  margin-block-end: var(--space-4);
}

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

h4 {
  font-size: var(--text-body-large);
  line-height: var(--leading-body-large);
  font-weight: var(--weight-h3);
  margin-block-end: var(--space-3);
}

h5 {
  font-size: var(--text-body);
  line-height: var(--leading-body);
  font-weight: var(--weight-h2);
  margin-block-end: var(--space-3);
}

h6 {
  font-size: var(--text-caption);
  line-height: var(--leading-caption);
  font-weight: var(--weight-h2);
  margin-block-end: var(--space-2);
}

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

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

a {
  color: var(--color-ember);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-ember-soft);
}

a:focus-visible {
  outline: 2px solid var(--color-ember);
  outline-offset: 2px;
}

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

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

li {
  line-height: var(--leading-body);
}

blockquote {
  font-style: italic;
  margin-block-end: var(--space-4);
  padding-inline-start: var(--space-5);
  border-inline-start: 3px solid var(--color-ember);
  color: var(--color-cream-muted);
}

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-cream-muted);
  margin-block-start: var(--space-2);
}

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

img {
  object-fit: cover;
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  color: inherit;
  border-radius: var(--radius-none);
  border: var(--border-dark);
  background-color: var(--color-charcoal-soft);
  padding: var(--space-3) var(--space-4);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

button {
  cursor: pointer;
  background-color: var(--color-ember);
  color: var(--color-charcoal);
  font-family: var(--font-heading);
  font-weight: var(--weight-h2);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border: none;
  padding: var(--space-3) var(--space-5);
  transition: background-color var(--transition-fast), transform var(--transition-medium);
}

button:hover {
  background-color: var(--color-ember-soft);
  transform: scale(1.02);
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-ember);
  outline-offset: 2px;
}

input::placeholder,
textarea::placeholder {
  color: var(--color-cream-muted);
  opacity: 1;
}

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='%23d4cdbf' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-inline-end: var(--space-6);
}

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

fieldset {
  border: var(--border-dark);
  padding: var(--space-4);
  margin-block-end: var(--space-4);
}

legend {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  padding-inline: var(--space-2);
  color: var(--color-ember);
}

label {
  display: block;
  margin-block-end: var(--space-2);
  font-weight: var(--weight-h2);
  font-size: var(--text-caption);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-cream-muted);
}

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

.sr-only {
  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-ember);
  color: var(--color-charcoal);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-heading);
  text-transform: uppercase;
  font-weight: var(--weight-h2);
  transition: top var(--transition-fast);
}

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

.card {
  background-color: var(--color-charcoal-soft);
  border: var(--border-dark);
  border-radius: var(--radius-sm);
  padding: var(--space-5);
}

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

.panel {
  background-color: var(--color-charcoal-soft);
  border: var(--border-dark);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

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

.surface-cream {
  background-color: var(--color-cream);
  color: var(--color-charcoal);
  border: var(--border-light);
  border-radius: var(--radius-sm);
  padding: var(--space-5);
}

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

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

.surface-cream p,
.surface-cream li,
.surface-cream blockquote {
  color: var(--color-charcoal);
}

.surface-cream a {
  color: var(--color-ember);
}

.surface-cream a:hover {
  color: var(--color-ember-soft);
}

.surface-cream label {
  color: var(--color-charcoal);
}

.surface-cream input,
.surface-cream select,
.surface-cream textarea {
  background-color: var(--color-cream);
  border: var(--border-light);
  color: var(--color-charcoal);
}

.surface-cream input::placeholder,
.surface-cream textarea::placeholder {
  color: var(--color-cream-muted);
}

.surface-forest {
  background-color: var(--color-forest);
  color: var(--color-cream);
  border-radius: var(--radius-sm);
  padding: var(--space-5);
}

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

.surface-forest-deep {
  background-color: var(--color-forest-deep);
  color: var(--color-cream);
  border-radius: var(--radius-sm);
  padding: var(--space-5);
}

.surface-forest-deep > :last-child {
  margin-block-end: 0;
}

.btn {
  display: inline-block;
  background-color: var(--color-ember);
  color: var(--color-charcoal);
  font-family: var(--font-heading);
  font-weight: var(--weight-h2);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: var(--space-3) var(--space-5);
  border: none;
  border-radius: var(--radius-none);
  cursor: pointer;
  text-align: center;
  transition: background-color var(--transition-fast), transform var(--transition-medium);
}

.btn:hover {
  background-color: var(--color-ember-soft);
  color: var(--color-charcoal);
  transform: scale(1.02);
}

.btn:focus-visible {
  outline: 2px solid var(--color-ember);
  outline-offset: 2px;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-ember);
  border: 2px solid var(--color-ember);
}

.btn-secondary:hover {
  background-color: var(--color-ember);
  color: var(--color-charcoal);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-cream);
  border: 1px solid var(--color-cream);
}

.btn-ghost:hover {
  background-color: var(--color-cream);
  color: var(--color-charcoal);
}

.link-underline {
  position: relative;
  color: var(--color-cream);
  transition: color var(--transition-fast);
}

.link-underline::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-ember);
  transition: width var(--transition-fast);
}

.link-underline:hover {
  color: var(--color-ember);
}

.link-underline:hover::after {
  width: 100%;
}

.link-underline.active {
  color: var(--color-ember);
}

.link-underline.active::after {
  width: 100%;
}

.flex {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.flex > * {
  min-width: 0;
}

.flex-nowrap {
  flex-wrap: nowrap;
}

.flex-column {
  flex-direction: column;
}

.flex-center {
  align-items: center;
  justify-content: center;
}

.flex-between {
  align-items: center;
  justify-content: space-between;
}

.flex-start {
  align-items: flex-start;
  justify-content: flex-start;
}

.flex-end {
  align-items: flex-end;
  justify-content: flex-end;
}

.flex-1 {
  flex: 1;
}

.flex-auto {
  flex: 0 0 auto;
}

.grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-5);
}

.grid-auto > * {
  min-width: 0;
}

.stack > * + * {
  margin-block-start: var(--space-4);
}

.stack-sm > * + * {
  margin-block-start: var(--space-2);
}

.stack-lg > * + * {
  margin-block-start: var(--space-6);
}

.divider {
  border: none;
  border-top: var(--border-dark);
  margin-block: var(--space-5);
}

.divider-light {
  border-top: var(--border-light);
}

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

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

.text-ember {
  color: var(--color-ember);
}

.text-small {
  font-size: var(--text-caption);
  line-height: var(--leading-caption);
}

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

.uppercase {
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.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;
}

@media (max-width: 768px) {
  :root {
    --text-display: 40px;
    --text-h1: 36px;
    --text-h2: 28px;
    --text-h3: 22px;
    --text-body-large: 18px;
  }

  .container {
    padding-inline: var(--space-4);
  }

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

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

  .surface-cream,
  .surface-forest,
  .surface-forest-deep {
    padding: var(--space-4);
  }

  .flex {
    gap: var(--space-3);
  }

  .grid-auto {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
}

@media (max-width: 480px) {
  :root {
    --text-display: 32px;
    --text-h1: 28px;
    --text-h2: 24px;
    --text-h3: 20px;
    --text-body-large: 17px;
  }

  .container {
    padding-inline: var(--space-3);
  }

  .card,
  .panel,
  .surface-cream,
  .surface-forest,
  .surface-forest-deep {
    padding: var(--space-3);
  }

  .flex {
    gap: var(--space-2);
  }
}