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

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

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

body {
  margin: 0;
  min-height: 100svh;
  background: var(--color-black);
  color: var(--color-white);
  font-family: var(--font-body);
  font-weight: var(--weight-light);
  font-size: var(--text-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  display: block;
}

h1,
h2,
h3,
p {
  margin: 0;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

.container {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

@media (min-width: 1024px) {
  .container {
    padding-inline: var(--space-10);
  }
}

.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: fixed;
  top: var(--space-3);
  left: var(--space-3);
  z-index: 100;
  padding: var(--space-3) var(--space-5);
  background: var(--color-turquoise);
  color: var(--color-charcoal);
  font-weight: var(--weight-regular);
  font-size: var(--text-button);
  border-radius: var(--radius-sm);
  transform: translateY(-150%);
  transition: transform var(--dur-fast) var(--ease-out);
}

.skip-link:focus-visible {
  transform: translateY(0);
}

:focus-visible {
  outline: 2px solid var(--focus-color);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 48px;
  padding: 0 var(--space-6);
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-weight: var(--weight-regular);
  font-size: var(--text-button);
  letter-spacing: 0.01em;
  white-space: nowrap;
  transition: transform var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}

.btn--primary {
  background: var(--color-turquoise);
  color: var(--color-charcoal);
  border: 1px solid var(--color-turquoise);
}

.btn--primary:hover {
  background: var(--color-turquoise-hover);
  border-color: var(--color-turquoise-hover);
}

.btn--primary:active {
  transform: translateY(1px);
}

.btn--ghost {
  background: transparent;
  color: var(--color-white);
  border: 1px solid var(--white-40);
}

.btn--ghost:hover {
  border-color: var(--color-white);
  background: var(--white-08);
}

.btn--ghost:active {
  transform: translateY(1px);
}

.btn--sm {
  min-height: 40px;
  padding: 0 var(--space-5);
  font-size: 0.875rem;
}

@media (prefers-reduced-motion: reduce) {
  .btn {
    transition: background-color var(--dur-fast) linear, border-color var(--dur-fast) linear;
  }

  .btn:active {
    transform: none;
  }
}

/* ---- Arrow link (text CTA with animated chevron) ----
   Defaults to charcoal for use on light backgrounds (turquoise text/icons
   fail contrast against white -- 2.1:1). Add --on-dark for dark surfaces. */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-weight: var(--weight-regular);
  font-size: var(--text-button);
  color: var(--color-charcoal);
}

.link-arrow__label {
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-fast) var(--ease-out);
}

.link-arrow__icon {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  transition: transform var(--dur-fast) var(--ease-out);
}

.link-arrow:hover {
  color: var(--color-black);
}

.link-arrow:hover .link-arrow__label {
  border-color: var(--color-turquoise);
}

.link-arrow:hover .link-arrow__icon {
  transform: translateX(4px);
}

.link-arrow--on-dark {
  color: var(--color-white);
}

.link-arrow--on-dark:hover {
  color: var(--color-white);
}

.link-arrow--on-dark:hover .link-arrow__label {
  border-color: var(--color-turquoise);
}

@media (prefers-reduced-motion: reduce) {
  .link-arrow__label,
  .link-arrow__icon {
    transition: none;
  }

  .link-arrow:hover .link-arrow__icon {
    transform: none;
  }
}