/* ============================================
   WIZMOBILITY Global Styles
   ============================================ */

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

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

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
  list-style: none;
}

/* ── Skip to content (a11y) ── */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-2xl);
  z-index: 200;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary);
  color: var(--color-text-invert);
  font-weight: 600;
  border-radius: 0 0 4px 4px;
}

.skip-link:focus {
  top: 0;
}

/* ── Container ── */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-2xl);
}

@media (max-width: 1023px) {
  .container { padding: 0 var(--space-xl); }
}

@media (max-width: 767px) {
  .container { padding: 0 var(--space-lg); }
}

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.025em;
}

h1, h2 {
  text-wrap: balance;
}

/* <br> 명시적 줄바꿈이 있는 헤딩은 balance가 wrap 위치를 임의 조정해서
   의도된 줄바꿈을 무시함. balance 끄고 자연 wrap 유지. */
h1:has(br),
h2:has(br) {
  text-wrap: wrap;
}

h1 em, h2 em {
  font-weight: 300;
  font-style: normal;
  color: var(--color-primary);
}

/* 히어로는 이미지 배경 위라 burgundy 가독성 떨어짐 — em은 흰색 유지(font-weight만 light로 강조) */
.section--hero h1 em,
.section--hero h2 em,
.page-hero h1 em,
.page-hero h2 em {
  color: inherit;
}

h1 { font-size: clamp(36px, 5vw, 66px); }
h2 { font-size: clamp(32px, 3.5vw, 46px); }
h3 { font-size: clamp(16px, 1.5vw, 22px); font-weight: 700; letter-spacing: -0.005em; line-height: 1.3; }
h4 { font-size: clamp(12px, 1vw, 16px); font-weight: 600; letter-spacing: 0; line-height: 1.4; }

/* ── Section base ── */
.section {
  padding: var(--space-4xl) 0;
}

@media (max-width: 767px) {
  .section { padding: 60px 0; }
}

.section--dark {
  background: var(--color-bg-dark);
  color: var(--color-text-invert);
  /* dark 배경에서 burgundy 가시성 확보 — primary를 밝은 톤으로 cascade 오버라이드.
     하위 요소가 var(--color-primary) 쓰면 자동으로 --p-burgundy-500 적용. */
  --color-primary: var(--color-primary-on-dark);
}

.section--hero,
.page-hero {
  /* hero 다크 섹션도 동일 오버라이드 (.section--dark 클래스 없이도 dark 톤) */
  --color-primary: var(--color-primary-on-dark);
}

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

.section--hero {
  background: var(--color-bg-hero);
  color: var(--color-text-invert);
}

.section__heading {
  max-width: 760px;
  margin-bottom: var(--space-2xl);
  text-wrap: balance;
}

.section__intro {
  font-size: clamp(15px, 1.2vw, 20px);
  line-height: 1.65;
  color: var(--color-text-sub);
  max-width: 960px;
  margin-top: calc(-1 * var(--space-lg));
  margin-bottom: var(--space-2xl);
  text-wrap: pretty;
}

.section__heading--center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

/* ── Accent text (brand burgundy) ── */
.text-accent {
  color: var(--color-primary);
}

/* ── No-wrap utility ── */
.text-nowrap {
  white-space: nowrap;
}

/* ── Focus visible ── */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* ── Section fade-in on scroll ── */
.section[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

.section[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Hero background zoom (shared keyframes) ── */
@keyframes heroZoom {
  from { transform: scale(1); }
  to { transform: scale(1.04); }
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .section[data-animate] {
    opacity: 1;
    transform: none;
  }
}