:root {
  --color-deep-sea: #21455A;
  --color-morning-mist: #E9ECE7;
  --color-sun-bleached-sand: #BDAE97;
  --color-shallow-water: #6F9799;
  --color-evening-lantern: #C97D69;
  --color-evening-lantern-dark: #B86A56;
  --color-hull-shadow: #2A2F31;

  --font-heading: 'Cormorant Garamond', 'Georgia', serif;
  --font-body: 'Inter', 'Helvetica Neue', sans-serif;

  --text-display: clamp(3rem, 5vw + 1rem, 4.5rem);
  --text-h1: clamp(2.25rem, 4vw + 0.5rem, 3rem);
  --text-h2: clamp(1.75rem, 3vw + 0.25rem, 2.25rem);
  --text-h3: clamp(1.25rem, 2vw + 0.25rem, 1.5rem);
  --text-body-large: clamp(1.125rem, 1.5vw + 0.5rem, 1.25rem);
  --text-body: 1rem;
  --text-caption: 0.875rem;
  --text-overline: 0.75rem;

  --leading-display: 1.15;
  --leading-h1: 1.25;
  --leading-h2: 1.3;
  --leading-h3: 1.4;
  --leading-body-large: 1.7;
  --leading-body: 1.7;
  --leading-caption: 1.5;
  --leading-overline: 1.4;

  --tracking-display: -0.02em;
  --tracking-h1: -0.01em;
  --tracking-h2: 0;
  --tracking-h3: 0;
  --tracking-body-large: 0;
  --tracking-body: 0;
  --tracking-caption: 0.01em;
  --tracking-overline: 0.1em;

  --space-2xs: 4px;
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 40px;
  --space-xl: 64px;
  --space-2xl: 96px;
  --space-3xl: 128px;

  --container-standard: 1200px;
  --container-reading: 800px;

  --padding-mobile: 24px;
  --padding-tablet: 40px;
  --padding-desktop: 64px;

  --surface-sand-opacity: 0.25;
  --surface-sand-soft: rgba(189, 174, 151, 0.25);
  --surface-sand-medium: rgba(189, 174, 151, 0.3);

  --border-sand-50: rgba(189, 174, 151, 0.5);
  --border-sand-40: rgba(189, 174, 151, 0.4);
  --border-deep-sea-20: rgba(33, 69, 90, 0.2);
  --border-deep-sea-40: rgba(33, 69, 90, 0.4);

  --shadow-card: 0 2px 8px rgba(33, 69, 90, 0.06);

  --radius-interactive: 2px;
  --radius-card: 4px;

  --transition-color: 300ms ease-out;
  --transition-transform: 400ms ease-out;

  --overlay-deep-sea-gradient: linear-gradient(to bottom, rgba(33, 69, 90, 0.7), transparent);
  --overlay-hull-shadow: rgba(42, 47, 49, 0.4);
  --overlay-menu-dimmer: rgba(42, 47, 49, 0.5);

  --focus-outline: 2px solid var(--color-shallow-water);
  --focus-outline-offset: 2px;
}

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

* {
  margin: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--color-deep-sea);
  background-color: var(--color-morning-mist);
  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-shallow-water);
  text-decoration: none;
  transition: color var(--transition-color);
}

a:hover {
  color: var(--color-deep-sea);
  text-decoration: underline;
  text-underline-offset: 1px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 400;
  color: var(--color-deep-sea);
  overflow-wrap: break-word;
}

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);
  letter-spacing: var(--tracking-h3);
  margin-block-end: var(--space-md);
}

h4,
h5,
h6 {
  font-size: var(--text-h3);
  line-height: var(--leading-h3);
  margin-block-end: var(--space-md);
}

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

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

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

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

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

blockquote {
  font-family: var(--font-heading);
  font-size: var(--text-h3);
  line-height: var(--leading-h3);
  color: var(--color-deep-sea);
  border-inline-start: 2px solid var(--color-evening-lantern);
  padding-inline-start: var(--space-md);
  margin-block-end: var(--space-md);
}

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-caption);
  line-height: var(--leading-caption);
  letter-spacing: var(--tracking-caption);
  color: var(--color-deep-sea);
  margin-block-start: var(--space-xs);
}

hr {
  border: none;
  border-block-start: 1px solid var(--border-sand-40);
  margin-block: var(--space-lg);
}

code,
pre {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.9em;
}

pre {
  overflow-x: auto;
  margin-block-end: var(--space-md);
}

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

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

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

th,
td {
  text-align: start;
  padding: var(--space-xs) var(--space-sm);
  border-block-end: 1px solid var(--border-sand-40);
}

th {
  font-weight: 600;
}

address {
  font-style: normal;
}

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

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

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

.surface-dark {
  background-color: var(--color-deep-sea);
  color: var(--color-morning-mist);
}

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

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

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

.surface-hull {
  background-color: var(--color-hull-shadow);
  color: var(--color-morning-mist);
}

.surface-hull h1,
.surface-hull h2,
.surface-hull h3,
.surface-hull h4,
.surface-hull h5,
.surface-hull h6 {
  color: var(--color-morning-mist);
}

.surface-hull a {
  color: var(--color-shallow-water);
}

.surface-hull a:hover {
  color: var(--color-morning-mist);
}

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: 1;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-interactive);
  text-decoration: none;
  text-align: center;
  transition: background-color var(--transition-color), color var(--transition-color), border-color var(--transition-color);
  min-height: 44px;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

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

.btn-primary {
  background-color: var(--color-evening-lantern);
  color: var(--color-morning-mist);
  border: 1px solid var(--color-evening-lantern);
}

.btn-primary:hover {
  background-color: var(--color-evening-lantern-dark);
  border-color: var(--color-evening-lantern-dark);
  color: var(--color-morning-mist);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-deep-sea);
  border: 1px solid var(--color-deep-sea);
}

.btn-secondary:hover {
  background-color: var(--color-deep-sea);
  color: var(--color-morning-mist);
}

.overline {
  font-size: var(--text-overline);
  line-height: var(--leading-overline);
  letter-spacing: var(--tracking-overline);
  text-transform: uppercase;
  color: var(--color-deep-sea);
}

.caption {
  font-size: var(--text-caption);
  line-height: var(--leading-caption);
  letter-spacing: var(--tracking-caption);
  color: var(--color-deep-sea);
}

.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: var(--focus-outline);
  outline-offset: var(--focus-outline-offset);
}

::selection {
  background-color: var(--color-sun-bleached-sand);
  color: var(--color-deep-sea);
}

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

  .container-reading {
    padding-inline: var(--padding-tablet);
  }
}

@media (min-width: 1024px) {
  .container {
    padding-inline: var(--padding-desktop);
  }

  .container-reading {
    padding-inline: var(--padding-desktop);
  }
}