:root {
  --color-navy-deep: #0B1F33;
  --color-navy-mid: #14304D;
  --color-turquoise-bright: #1FB6C1;
  --color-turquoise-soft: #7FD4DA;
  --color-sand-warm: #E8DCC8;
  --color-sand-light: #F5EFE4;
  --color-white-pure: #FFFFFF;
  --color-ink-soft: #4A5B6E;
  --color-state-success: #2E8B6A;
  --color-state-warning: #C47A2B;

  --font-heading: "Playfair Display", serif;
  --font-body: "Inter", sans-serif;

  --text-display-size: clamp(2.45rem, 5vw, 3.5rem);
  --text-display-leading: 1.1;
  --text-display-weight: 700;
  --text-display-tracking: -0.02em;

  --text-h1-size: clamp(2rem, 4vw, 2.5rem);
  --text-h1-leading: 1.2;
  --text-h1-weight: 700;
  --text-h1-tracking: -0.01em;

  --text-h2-size: clamp(1.65rem, 3vw, 2rem);
  --text-h2-leading: 1.25;
  --text-h2-weight: 600;

  --text-h3-size: clamp(1.35rem, 2.5vw, 1.5rem);
  --text-h3-leading: 1.3;
  --text-h3-weight: 600;

  --text-h4-size: 1.25rem;
  --text-h4-leading: 1.4;
  --text-h4-weight: 600;
  --text-h4-tracking: 0.01em;

  --text-body-large-size: 1.125rem;
  --text-body-large-leading: 1.7;
  --text-body-large-weight: 400;

  --text-body-size: 1rem;
  --text-body-leading: 1.7;
  --text-body-weight: 400;

  --text-body-small-size: 0.875rem;
  --text-body-small-leading: 1.6;
  --text-body-small-weight: 400;

  --text-caption-size: 0.75rem;
  --text-caption-leading: 1.5;
  --text-caption-weight: 500;
  --text-caption-tracking: 0.04em;

  --text-label-size: 0.8125rem;
  --text-label-leading: 1.4;
  --text-label-weight: 600;
  --text-label-tracking: 0.02em;

  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  --container-primary-max: 1200px;
  --container-primary-padding: 1.5rem;
  --container-wide-max: 1440px;
  --container-narrow-max: 720px;

  --surface-card-radius: 8px;
  --surface-panel-radius: 12px;
  --surface-button-radius: 4px;
  --surface-tag-radius: 4px;

  --border-width: 1px;
  --border-light: var(--color-sand-warm);
  --border-dark: var(--color-navy-mid);
  --border-accent: var(--color-turquoise-bright);

  --shadow-float: 0 4px 12px rgba(11, 31, 51, 0.08);

  --transition-fast: 200ms ease-out;
  --transition-medium: 300ms ease-out;

  --overlay-navy: rgba(11, 31, 51, 0.3);
}

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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-body-size);
  line-height: var(--text-body-leading);
  font-weight: var(--text-body-weight);
  color: var(--color-navy-deep);
  background-color: var(--color-white-pure);
  min-height: 100vh;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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;
}

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

a:hover {
  color: var(--color-turquoise-bright);
}

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

h1,
h2,
h3,
h4 {
  font-family: var(--font-heading);
  color: var(--color-navy-deep);
}

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

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

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

h4 {
  font-family: var(--font-body);
  font-size: var(--text-h4-size);
  line-height: var(--text-h4-leading);
  font-weight: var(--text-h4-weight);
  letter-spacing: var(--text-h4-tracking);
  margin-block-end: var(--space-md);
}

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

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

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

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

blockquote {
  margin-block-end: var(--space-lg);
  padding-inline-start: var(--space-lg);
  border-inline-start: 4px solid var(--color-turquoise-bright);
  font-family: var(--font-heading);
  font-size: var(--text-h3-size);
  line-height: var(--text-h3-leading);
  color: var(--color-navy-deep);
}

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

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

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

figcaption {
  font-size: var(--text-caption-size);
  line-height: var(--text-caption-leading);
  font-weight: var(--text-caption-weight);
  letter-spacing: var(--text-caption-tracking);
  text-transform: uppercase;
  color: var(--color-ink-soft);
  margin-block-start: var(--space-xs);
}

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

strong {
  font-weight: 600;
}

hr {
  border: none;
  border-block-start: var(--border-width) solid var(--border-light);
  margin-block: var(--space-2xl);
}

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

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

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

.section-navy {
  background-color: var(--color-navy-deep);
  color: var(--color-white-pure);
}

.section-navy h1,
.section-navy h2,
.section-navy h3,
.section-navy h4 {
  color: var(--color-white-pure);
}

.section-navy p,
.section-navy li {
  color: var(--color-white-pure);
}

.section-navy a {
  color: var(--color-turquoise-soft);
}

.section-navy a:hover {
  color: var(--color-turquoise-bright);
}

.section-sand {
  background-color: var(--color-sand-light);
}

.section-sand-warm {
  background-color: var(--color-sand-warm);
}

.surface-card {
  background-color: var(--color-white-pure);
  border: var(--border-width) solid var(--border-light);
  border-radius: var(--surface-card-radius);
}

.surface-card-navy {
  background-color: var(--color-navy-mid);
  border: var(--border-width) solid var(--border-dark);
  border-radius: var(--surface-card-radius);
  color: var(--color-white-pure);
}

.surface-card-navy h3,
.surface-card-navy h4 {
  color: var(--color-white-pure);
}

.surface-card-navy p {
  color: var(--color-white-pure);
}

.surface-panel {
  background-color: var(--color-white-pure);
  border: var(--border-width) solid var(--border-light);
  border-radius: var(--surface-panel-radius);
}

.surface-float {
  box-shadow: var(--shadow-float);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  background-color: var(--color-turquoise-bright);
  color: var(--color-white-pure);
  border-radius: var(--surface-button-radius);
  font-weight: 600;
  font-size: var(--text-label-size);
  letter-spacing: var(--text-label-tracking);
  line-height: 1.4;
  transition: background-color var(--transition-fast), border-color var(--transition-fast);
  border: var(--border-width) solid transparent;
}

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

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

.btn-secondary:hover {
  background-color: transparent;
  color: var(--color-navy-deep);
  border-color: var(--color-navy-deep);
}

.tag {
  display: inline-block;
  font-size: var(--text-caption-size);
  line-height: var(--text-caption-leading);
  font-weight: var(--text-caption-weight);
  letter-spacing: var(--text-caption-tracking);
  text-transform: uppercase;
  color: var(--color-turquoise-bright);
  border: var(--border-width) solid var(--color-turquoise-bright);
  border-radius: var(--surface-tag-radius);
  padding: var(--space-2xs) var(--space-xs);
  background-color: transparent;
}

.label {
  font-size: var(--text-label-size);
  line-height: var(--text-label-leading);
  font-weight: var(--text-label-weight);
  letter-spacing: var(--text-label-tracking);
  text-transform: uppercase;
  color: var(--color-ink-soft);
}

.caption {
  font-size: var(--text-caption-size);
  line-height: var(--text-caption-leading);
  font-weight: var(--text-caption-weight);
  letter-spacing: var(--text-caption-tracking);
  text-transform: uppercase;
  color: var(--color-ink-soft);
}

.overlay-navy {
  position: relative;
}

.overlay-navy::after {
  content: "";
  position: absolute;
  inset: 0;
  background-color: var(--overlay-navy);
  pointer-events: none;
}

.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;
}

.flex {
  display: flex;
}

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

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

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

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

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

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

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

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

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

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

.flex-child-shrink {
  min-width: 0;
}

@media (min-width: 768px) {
  :root {
    --container-primary-padding: 2rem;
  }

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}