/* 전역 reset 및 기본 스타일 */
*,
*::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;
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  color: var(--color-text);
  background-color: var(--color-white);
  overflow-x: hidden;
}

h1,
h2,
h3,
h4,
p,
ul,
ol,
figure {
  margin: 0;
}

h1,
h2,
h3,
h4 {
  line-height: var(--lh-tight);
  color: var(--color-navy-900);
  word-break: keep-all;
  overflow-wrap: break-word;
}

h1 {
  font-size: var(--fs-3xl);
}

h2 {
  font-size: var(--fs-2xl);
}

h3 {
  font-size: var(--fs-lg);
}

p {
  word-break: keep-all;
}

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

ul,
ol {
  padding-left: 0;
  list-style: none;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  background: none;
  border: none;
}

input,
select,
textarea {
  font-family: inherit;
  font-size: var(--fs-base);
}

:focus-visible {
  outline: 3px solid var(--color-sky-500);
  outline-offset: 2px;
}

.sr-only {
  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;
  left: var(--space-sm);
  top: -100px;
  background: var(--color-navy-900);
  color: var(--color-white);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-sm);
}

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

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

main {
  /* 모바일 하단 sticky CTA 바에 콘텐츠가 가리지 않도록 여백 확보 */
  padding-bottom: 88px;
}

@media (min-width: 1024px) {
  main {
    padding-bottom: 0;
  }
}

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

.section--alt {
  background-color: var(--color-surface-alt);
}

.section__head {
  max-width: 640px;
  margin-bottom: var(--space-lg);
}

.section__eyebrow {
  display: inline-block;
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--color-navy-700);
  background: var(--color-sky-50);
  padding: var(--space-2xs) var(--space-sm);
  border-radius: 999px;
  margin-bottom: var(--space-sm);
}

.section__desc {
  margin-top: var(--space-sm);
  color: var(--color-text-muted);
  font-size: var(--fs-md);
}