:root {
  --color-navy: #1B2A4A;
  --color-sand: #F5E6C8;
  --color-red: #C0392B;
  --color-blue: #3498DB;
  --color-white: #FFFFFF;
  --color-ink: #1B2A4A;
  --color-muted: #5A6B8C;
  --color-night: #0F1A2E;
  --color-navy-10: rgba(27, 42, 74, 0.1);
  --color-navy-20: rgba(27, 42, 74, 0.2);
  --color-night-hover: #1A2A44;
  --font-heading: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-body: "Source Sans 3", "Segoe UI", Arial, sans-serif;
  --text-display-size: 2.5rem;
  --text-display-line-height: 1.1;
  --text-h1-size: 2rem;
  --text-h1-line-height: 1.2;
  --text-h2-size: 1.5rem;
  --text-h2-line-height: 1.3;
  --text-h3-size: 1.25rem;
  --text-h3-line-height: 1.4;
  --text-body-size: 1rem;
  --text-body-line-height: 1.6;
  --text-small-size: 0.875rem;
  --text-small-line-height: 1.5;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --container-max: 1200px;
  --container-gutter: var(--space-lg);
  --surface-card: var(--color-white);
  --surface-dark: var(--color-night);
  --border-thin: 1px solid var(--color-navy-10);
  --shadow-card: 0 2px 4px rgba(27, 42, 74, 0.1);
  --shadow-card-hover: 0 6px 12px rgba(27, 42, 74, 0.15);
  --radius-none: 0px;
  --radius-card: 4px;
  --radius-modal: 8px;
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}

*,
*::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);
  line-height: var(--text-body-line-height);
  font-weight: 400;
  color: var(--color-ink);
  background-color: var(--color-sand);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

main {
  flex: 1 0 auto;
  width: 100%;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.2;
  margin-block-end: var(--space-md);
}

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

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

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

h4 {
  font-size: 1.125rem;
  line-height: 1.4;
}

h5 {
  font-size: 1rem;
  line-height: 1.5;
}

h6 {
  font-size: 0.875rem;
  line-height: 1.5;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

p {
  margin-block-end: var(--space-md);
  line-height: var(--text-body-line-height);
}

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

a {
  color: var(--color-blue);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}

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

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

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

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

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

blockquote {
  margin-block-end: var(--space-md);
  padding-inline-start: var(--space-lg);
  border-inline-start: 3px solid var(--color-red);
  color: var(--color-muted);
  font-style: italic;
}

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

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

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

figcaption {
  font-size: var(--text-small-size);
  line-height: var(--text-small-line-height);
  color: var(--color-muted);
  margin-block-start: var(--space-xs);
}

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

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

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

input,
select,
textarea {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: var(--border-thin);
  border-radius: var(--radius-card);
  background-color: var(--color-white);
  color: var(--color-ink);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-blue);
  box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.25);
}

textarea {
  min-height: 120px;
  resize: vertical;
}

label {
  display: inline-block;
  font-weight: 600;
  margin-block-end: var(--space-xs);
  color: var(--color-navy);
}

button {
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
  font-weight: 600;
}

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

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

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

th,
td {
  padding: var(--space-sm) var(--space-md);
  text-align: start;
  border-block-end: var(--border-thin);
}

th {
  font-weight: 600;
  color: var(--color-navy);
  background-color: rgba(27, 42, 74, 0.04);
}

hr {
  border: none;
  border-block-start: var(--border-thin);
  margin-block: var(--space-lg);
}

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

.section {
  padding-block: var(--space-3xl);
}

.section--compact {
  padding-block: var(--space-2xl);
}

.section--dark {
  background-color: var(--color-night);
  color: var(--color-white);
}

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4,
.section--dark h5,
.section--dark h6 {
  color: var(--color-white);
}

.section--dark p,
.section--dark li,
.section--dark blockquote {
  color: rgba(255, 255, 255, 0.85);
}

.section--dark a {
  color: var(--color-blue);
}

.section--dark a:hover {
  color: var(--color-red);
}

.section--muted {
  background-color: rgba(27, 42, 74, 0.03);
}

.surface-card {
  background-color: var(--surface-card);
  border: var(--border-thin);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: var(--space-xl);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.surface-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}

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

.surface-dark {
  background-color: var(--surface-dark);
  color: var(--color-white);
  border-radius: var(--radius-card);
  padding: var(--space-xl);
}

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

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

.surface-dark p,
.surface-dark li,
.surface-dark blockquote {
  color: rgba(255, 255, 255, 0.85);
}

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

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

.surface-dark .surface-card {
  background-color: var(--color-night-hover);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: none;
}

.surface-dark .surface-card:hover {
  background-color: #223352;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-none);
  font-weight: 600;
  font-family: var(--font-body);
  font-size: var(--text-body-size);
  line-height: 1.5;
  text-decoration: none;
  text-align: center;
  transition: background-color var(--transition-fast), color var(--transition-fast), filter var(--transition-fast), transform var(--transition-fast);
  border: 2px solid transparent;
  min-height: 44px;
  white-space: nowrap;
}

.btn:active {
  filter: brightness(0.85);
  transform: scale(0.98);
}

.btn--primary {
  background-color: var(--color-red);
  color: var(--color-white);
  border-color: var(--color-red);
}

.btn--primary:hover {
  background-color: #A93226;
  border-color: #A93226;
  color: var(--color-white);
}

.btn--secondary {
  background-color: var(--color-blue);
  color: var(--color-white);
  border-color: var(--color-blue);
}

.btn--secondary:hover {
  background-color: #2C86C8;
  border-color: #2C86C8;
  color: var(--color-white);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-navy);
  border-color: var(--color-navy);
}

.btn--outline:hover {
  background-color: var(--color-navy);
  color: var(--color-white);
}

.btn--outline-light {
  background-color: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn--outline-light:hover {
  background-color: var(--color-white);
  color: var(--color-navy);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-blue);
  border-color: transparent;
  padding-inline: var(--space-sm);
}

.btn--ghost:hover {
  color: var(--color-red);
  background-color: rgba(27, 42, 74, 0.05);
}

.btn--small {
  padding: var(--space-xs) var(--space-md);
  font-size: var(--text-small-size);
  min-height: 36px;
}

.btn--large {
  padding: var(--space-md) var(--space-xl);
  font-size: 1.125rem;
  min-height: 52px;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
}

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

.flex {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  min-width: 0;
}

.flex > * {
  min-width: 0;
  flex-shrink: 1;
}

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

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

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

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

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

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

.flex--justify-between {
  justify-content: space-between;
}

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

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

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

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

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

.grid {
  display: grid;
  gap: var(--space-lg);
  min-width: 0;
}

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

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

.grid--auto-fill {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.grid--gap-sm {
  gap: var(--space-sm);
}

.grid--gap-xl {
  gap: var(--space-xl);
}

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

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

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

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

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

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

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

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

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

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

.font-heading {
  font-family: var(--font-heading);
}

.font-body {
  font-family: var(--font-body);
}

.fw-400 {
  font-weight: 400;
}

.fw-600 {
  font-weight: 600;
}

.fw-700 {
  font-weight: 700;
}

.italic {
  font-style: italic;
}

.uppercase {
  text-transform: uppercase;
}

.letter-spacing {
  letter-spacing: 0.05em;
}

.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-md);
  z-index: 10000;
  background-color: var(--color-red);
  color: var(--color-white);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-card);
  font-weight: 600;
  text-decoration: none;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-md);
  color: var(--color-white);
}

.img-ratio-16-9 {
  aspect-ratio: 16 / 9;
  object-fit: cover;
  width: 100%;
}

.img-ratio-21-9 {
  aspect-ratio: 21 / 9;
  object-fit: cover;
  width: 100%;
}

.img-ratio-4-3 {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
}

.img-ratio-1-1 {
  aspect-ratio: 1 / 1;
  object-fit: cover;
  width: 100%;
}

.img-overlay {
  position: relative;
  background-color: var(--color-night);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.img-overlay img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}

.img-overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 26, 46, 0.75) 0%, rgba(15, 26, 46, 0.25) 50%, rgba(15, 26, 46, 0.05) 100%);
  pointer-events: none;
}

.img-overlay > * {
  position: relative;
  z-index: 1;
}

.stamp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border: 2px solid var(--color-red);
  border-radius: 50%;
  color: var(--color-red);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-align: center;
  padding: var(--space-sm);
  line-height: 1.3;
  background-color: transparent;
}

.stamp--small {
  width: 56px;
  height: 56px;
  font-size: 0.625rem;
}

.stamp--large {
  width: 110px;
  height: 110px;
  font-size: 0.875rem;
}

.divider-red {
  border: none;
  border-block-start: 3px solid var(--color-red);
  width: 100%;
  margin-block: var(--space-md);
}

.divider-red--short {
  width: 64px;
  margin-inline-start: 0;
  margin-inline-end: auto;
}

.divider-red--center {
  width: 64px;
  margin-inline: auto;
}

.content-list {
  list-style: none;
  padding-inline-start: 0;
  margin-block-end: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.content-list:last-child {
  margin-block-end: 0;
}

.content-list li {
  position: relative;
  padding-inline-start: var(--space-lg);
}

.content-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-red);
}

.content-list--check li::before {
  content: "✓";
  background: none;
  color: var(--color-blue);
  font-weight: 700;
  top: 0;
  width: auto;
  height: auto;
  border-radius: 0;
}

.content-list--arrow li::before {
  content: "→";
  background: none;
  color: var(--color-red);
  font-weight: 700;
  top: 0;
  width: auto;
  height: auto;
  border-radius: 0;
}

.content-list--none li::before {
  display: none;
}

.content-list--none li {
  padding-inline-start: 0;
}

@media (max-width: 1024px) {
  :root {
    --container-gutter: var(--space-md);
  }

  .section {
    padding-block: var(--space-2xl);
  }

  .section--compact {
    padding-block: var(--space-xl);
  }

  h1 {
    font-size: clamp(1.5rem, 4vw, 2rem);
  }

  h2 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
  }

  h3 {
    font-size: clamp(1.125rem, 2.5vw, 1.25rem);
  }

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

@media (max-width: 768px) {
  :root {
    --container-gutter: var(--space-sm);
  }

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

  .section--compact {
    padding-block: var(--space-lg);
  }

  h1 {
    font-size: 1.5rem;
    line-height: 1.25;
  }

  h2 {
    font-size: 1.25rem;
    line-height: 1.3;
  }

  h3 {
    font-size: 1.125rem;
    line-height: 1.35;
  }

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

  .btn {
    width: 100%;
    justify-content: center;
  }

  .btn-group {
    flex-direction: column;
    align-items: stretch;
  }

  .btn-group > * {
    width: 100%;
  }

  .flex {
    flex-direction: column;
    align-items: stretch;
  }

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

  .grid--auto-fit,
  .grid--auto-fill {
    grid-template-columns: 1fr;
  }

  .img-ratio-21-9 {
    aspect-ratio: 16 / 9;
  }

  .img-ratio-16-9 {
    aspect-ratio: 4 / 3;
  }

  .stamp {
    width: 64px;
    height: 64px;
    font-size: 0.625rem;
  }

  .stamp--large {
    width: 80px;
    height: 80px;
    font-size: 0.75rem;
  }
}

@media (max-width: 480px) {
  :root {
    --container-gutter: var(--space-xs);
  }

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

  .section--compact {
    padding-block: var(--space-md);
  }

  h1 {
    font-size: 1.375rem;
  }

  h2 {
    font-size: 1.125rem;
  }

  h3 {
    font-size: 1rem;
  }

  .surface-card,
  .surface-dark {
    padding: var(--space-sm);
    border-radius: var(--radius-card);
  }

  .img-ratio-4-3 {
    aspect-ratio: 1 / 1;
  }

  .stamp {
    width: 52px;
    height: 52px;
    font-size: 0.5rem;
  }

  .stamp--large {
    width: 64px;
    height: 64px;
    font-size: 0.625rem;
  }
}

@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;
  }

  .surface-card:hover {
    transform: none;
  }
}