:root {
  --color-ocean: #1F5268;
  --color-ocean-deep: #143A4A;
  --color-eucalyptus: #536D60;
  --color-sand: #E4D2B4;
  --color-off-white: #F7F4EC;
  --color-terracotta: #A5654E;
  --color-ink: #1C2A2E;
  --color-white: #FFFFFF;
  --color-ocean-border: rgba(31, 82, 104, 0.18);
  --color-white-border: rgba(255, 255, 255, 0.22);
  --color-ocean-overlay: rgba(31, 82, 104, 0.28);
  --shadow-soft: 0 12px 32px rgba(20, 58, 74, 0.10);
  --font-heading: "Archivo", sans-serif;
  --font-body: "Inter", sans-serif;
  --text-display: clamp(2.75rem, 6vw, 5.5rem);
  --text-h1: clamp(2.25rem, 4.5vw, 4rem);
  --text-h2: clamp(1.75rem, 3vw, 2.75rem);
  --text-h3: clamp(1.25rem, 2vw, 1.75rem);
  --text-h4: 1.125rem;
  --text-body-large: 1.125rem;
  --text-body: 1rem;
  --text-small: 0.875rem;
  --text-caption: 0.75rem;
  --leading-display: 0.95;
  --leading-h1: 1.0;
  --leading-h2: 1.1;
  --leading-h3: 1.2;
  --leading-h4: 1.3;
  --leading-body-large: 1.65;
  --leading-body: 1.65;
  --leading-small: 1.5;
  --leading-caption: 1.4;
  --tracking-display: -0.02em;
  --tracking-h1: -0.015em;
  --tracking-h2: -0.01em;
  --tracking-caption: 0.04em;
  --space-2xs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  --space-5xl: 128px;
  --container-standard: 1280px;
  --container-wide: 1440px;
  --page-padding-mobile: 20px;
  --page-padding-tablet: 32px;
  --page-padding-desktop: 48px;
  --page-padding-wide: 64px;
  --radius-card-desktop: 20px;
  --radius-card-mobile: 16px;
  --radius-button-input: 12px;
  --radius-image: 16px;
  --radius-dialog: 24px;
  --transition-fast: 200ms ease-out;
  --transition-medium: 300ms ease-out;
  --transition-slow: 400ms ease-out;
}

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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  font-weight: 400;
  color: var(--color-ink);
  background-color: var(--color-off-white);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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;
  padding: 0;
}

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

a:hover {
  color: var(--color-terracotta);
  text-decoration: underline;
  text-decoration-color: var(--color-terracotta);
  text-underline-offset: 3px;
}

ul,
ol {
  list-style-position: inside;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  color: var(--color-ocean-deep);
  font-weight: 700;
  line-height: var(--leading-h2);
  letter-spacing: var(--tracking-h2);
}

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

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

h3 {
  font-size: var(--text-h3);
  line-height: var(--leading-h3);
  font-weight: 600;
  letter-spacing: normal;
  margin-block-end: var(--space-md);
}

h4 {
  font-size: var(--text-h4);
  line-height: var(--leading-h4);
  font-weight: 600;
  letter-spacing: normal;
  margin-block-end: var(--space-sm);
}

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

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

blockquote {
  margin-block-end: var(--space-md);
  padding-inline-start: var(--space-lg);
  border-inline-start: 3px solid var(--color-ocean);
  color: var(--color-ocean-deep);
  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);
  line-height: var(--leading-small);
  color: var(--color-eucalyptus);
  margin-block-start: var(--space-xs);
}

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

strong {
  font-weight: 600;
}

em {
  font-style: italic;
}

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

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

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

.surface-card {
  background-color: var(--color-off-white);
  border: 1px solid var(--color-ocean-border);
  border-radius: var(--radius-card-mobile);
  padding: var(--space-lg);
  transition: box-shadow var(--transition-medium), border-color var(--transition-medium), transform var(--transition-medium);
}

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

.surface-dark {
  background-color: var(--color-ocean-deep);
  color: var(--color-white);
  border: 1px solid var(--color-white-border);
}

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

.surface-dark a {
  color: var(--color-white);
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.5);
}

.surface-dark a:hover {
  color: var(--color-sand);
  text-decoration-color: var(--color-sand);
}

.surface-sand {
  background-color: var(--color-sand);
  color: var(--color-ocean-deep);
}

.surface-sand h1,
.surface-sand h2,
.surface-sand h3,
.surface-sand h4 {
  color: var(--color-ocean-deep);
}

.surface-sand a {
  color: var(--color-ocean);
}

.surface-sand a:hover {
  color: var(--color-terracotta);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-body);
  line-height: 1.2;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-button-input);
  border: 2px solid transparent;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
  min-height: 48px;
  text-decoration: none;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

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

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

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

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

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

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

.btn-terracotta:hover {
  background-color: #8F5742;
  border-color: #8F5742;
  color: var(--color-white);
}

.caption-label {
  font-size: var(--text-caption);
  line-height: var(--leading-caption);
  font-weight: 500;
  letter-spacing: var(--tracking-caption);
  text-transform: uppercase;
  color: var(--color-eucalyptus);
  margin-block-end: var(--space-xs);
}

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

.section-header {
  margin-block-end: var(--space-xl);
}

.section-header .caption-label {
  margin-block-end: var(--space-xs);
}

.section-header h2,
.section-header h3 {
  margin-block-end: var(--space-sm);
}

.section-header p {
  margin-block-end: 0;
  }

.flex-row {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--space-lg);
  align-items: center;
}

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

.flex-item {
  flex: 1 1 0;
  min-width: 0;
}

.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;
}

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

::selection {
  background-color: var(--color-ocean);
  color: var(--color-white);
}

@media (min-width: 600px) {
  .container,
  .container-wide {
    padding-inline: var(--page-padding-tablet);
  }

  .surface-card {
    border-radius: var(--radius-card-desktop);
  }

  .section {
    padding-block: var(--space-4xl);
  }
}

@media (min-width: 900px) {
  .container,
  .container-wide {
    padding-inline: var(--page-padding-desktop);
  }

  .section {
    padding-block: var(--space-5xl);
  }
}

@media (min-width: 1280px) {
  .container,
  .container-wide {
    padding-inline: var(--page-padding-wide);
  }
}

@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;
  }

  html {
    scroll-behavior: auto;
  }

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

  .btn:hover {
    transform: none;
  }
}