:root {
  --blue: #17358f;
  --blue-deep: #102770;
  --blue-soft: #e9eefc;
  --blue-line: #d7dff7;
  --bg: #f3f6fc;
  --card: #ffffff;
  --heading: #142a72;
  --text: #56627e;
  --muted: #66728d;
  --danger: #a83232;
  --danger-dark: #842828;
  --danger-soft: #fff1f1;
  --success: #107a4e;
  --success-soft: #eaf8f1;
  --shell: 1120px;
  --display: "Poppins", "Noto Sans KR", system-ui, sans-serif;
  --body: "Plus Jakarta Sans", "Noto Sans KR", system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1,
h2 { margin: 0; color: var(--heading); font-family: var(--display); letter-spacing: -0.025em; line-height: 1.18; }

p { margin: 0; }
a { color: var(--blue); }
button,
input { font: inherit; }

:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }

.skip-link {
  position: fixed;
  top: -64px;
  left: 16px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 16px; }

.page-shell { width: min(100% - 40px, var(--shell)); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(215, 223, 247, 0.9);
  background: rgba(243, 246, 252, 0.94);
  backdrop-filter: blur(14px);
}

.header-inner {
  width: min(100% - 40px, var(--shell));
  min-height: 76px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 28px;
}

.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--heading); text-decoration: none; font-family: var(--display); font-weight: 800; letter-spacing: 0.12em; }
.brand-mark { width: 34px; height: 34px; color: var(--blue); }
.top-nav { display: flex; align-items: center; gap: 24px; margin-left: auto; }
.top-nav a { color: var(--text); text-decoration: none; font-size: 14px; font-weight: 600; }
.top-nav a:hover,
.top-nav a[aria-current="page"] { color: var(--blue); }

.lang-switcher { display: flex; gap: 3px; padding: 4px; border: 1px solid var(--blue-line); border-radius: 999px; background: var(--card); }
.lang-toggle { border: 0; border-radius: 999px; padding: 7px 10px; background: transparent; color: var(--muted); cursor: pointer; font-size: 11px; font-weight: 700; }
.lang-toggle.is-active { background: var(--blue); color: #fff; }

.delete-hero { padding: 72px 0 58px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr); gap: 56px; align-items: end; }
.eyebrow { margin-bottom: 12px; color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: 0.16em; text-transform: uppercase; }
.delete-hero h1 { max-width: 720px; font-size: clamp(36px, 5.4vw, 64px); }
.hero-lede { max-width: 680px; margin-top: 20px; font-size: clamp(17px, 2vw, 20px); }

.trust-card { margin: 0; padding: 24px 26px; border: 1px solid var(--blue-line); border-radius: 24px; background: var(--card); box-shadow: 0 18px 40px -34px rgba(14, 34, 99, 0.7); }
.trust-card div + div { margin-top: 18px; padding-top: 18px; border-top: 1px solid var(--blue-line); }
.trust-card dt { color: var(--muted); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; }
.trust-card dd { margin: 5px 0 0; color: var(--heading); font-weight: 700; }

.delete-section { padding: 0 0 80px; }
.delete-layout { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(360px, 1.15fr); gap: 32px; align-items: start; }
.delete-guidance,
.delete-form-card { border: 1px solid var(--blue-line); border-radius: 28px; background: var(--card); }
.delete-guidance { padding: 34px; }
.delete-guidance h2,
.delete-form-card h2,
.help-section h2 { font-size: clamp(24px, 3vw, 34px); }
.delete-guidance > p:not(.eyebrow) { margin-top: 14px; }
.verification-steps { margin: 26px 0 0; padding: 0; list-style: none; counter-reset: steps; }
.verification-steps li { position: relative; padding-left: 46px; counter-increment: steps; }
.verification-steps li + li { margin-top: 20px; }
.verification-steps li::before { content: counter(steps); position: absolute; top: 0; left: 0; display: grid; width: 30px; height: 30px; place-items: center; border-radius: 50%; background: var(--blue-soft); color: var(--blue); font-size: 13px; font-weight: 800; }
.verification-steps strong { display: block; color: var(--heading); }
.verification-steps span { display: block; margin-top: 2px; font-size: 14px; }
.data-note { margin-top: 28px; padding: 18px 20px; border-radius: 16px; background: var(--blue-soft); }
.data-note strong { color: var(--heading); }
.data-note p { margin-top: 6px; font-size: 14px; }

.delete-form-card { padding: 38px; box-shadow: 0 24px 54px -40px rgba(14, 34, 99, 0.8); }
.panel-index { margin-bottom: 8px; color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: 0.13em; text-transform: uppercase; }
.delete-form-card > div > p:last-child { margin-top: 12px; }
#delete-account-form { display: grid; gap: 20px; margin-top: 28px; }
.form-field { display: grid; gap: 8px; }
.form-field label { color: var(--heading); font-size: 14px; font-weight: 700; }
.form-field input {
  width: 100%;
  min-height: 54px;
  border: 1px solid #cbd5ec;
  border-radius: 14px;
  padding: 12px 15px;
  background: #fbfcff;
  color: #18223a;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}
.form-field input:hover { border-color: #9eadd2; }
.form-field input:focus { border-color: var(--blue); outline: 0; box-shadow: 0 0 0 4px rgba(23, 53, 143, 0.12); }
.confirmation-check { display: grid; grid-template-columns: 20px 1fr; gap: 12px; align-items: start; color: var(--heading); font-size: 14px; cursor: pointer; }
.confirmation-check input { width: 19px; height: 19px; margin: 2px 0 0; accent-color: var(--blue); }
.form-security-note { padding: 13px 15px; border-radius: 12px; background: var(--blue-soft); font-size: 13px; }
.form-status { padding: 14px 16px; border: 1px solid #f1baba; border-radius: 12px; background: var(--danger-soft); color: var(--danger-dark); font-size: 14px; }
.form-status[data-type="success"] { border-color: #a9dec5; background: var(--success-soft); color: var(--success); }
.delete-button,
.secondary-button { display: inline-flex; min-height: 54px; align-items: center; justify-content: center; border-radius: 999px; padding: 14px 24px; font-weight: 800; text-decoration: none; }
.delete-button { width: 100%; border: 0; background: var(--danger); color: #fff; cursor: pointer; }
.delete-button:hover:not(:disabled) { background: var(--danger-dark); }
.delete-button:disabled { cursor: wait; opacity: 0.65; }
.secondary-button { margin-top: 20px; border: 2px solid var(--blue); color: var(--blue); }
.delete-success { padding: 26px; border-radius: 20px; background: var(--success-soft); text-align: center; }
.success-mark { width: 52px; height: 52px; margin: 0 auto 18px; padding: 12px; border-radius: 50%; background: var(--success); color: #fff; }
.delete-success p { margin-top: 10px; }

.help-section { padding: 62px 0; background: #e9eefc; }
.help-grid { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 48px; align-items: center; }
.help-grid > p { font-size: 16px; }

.site-footer { padding: 42px 0 48px; background: var(--heading); color: #d7dff7; }
.footer-inner { display: grid; grid-template-columns: auto 1fr auto; gap: 32px; align-items: center; }
.footer-brand { color: #fff; font-family: var(--display); font-weight: 800; letter-spacing: 0.14em; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 20px; }
.footer-links a { color: #d7dff7; text-decoration: none; font-size: 14px; }
.copyright { color: #aebadd; font-size: 13px; }

[hidden] { display: none !important; }

@media (max-width: 840px) {
  .header-inner { padding-block: 12px; gap: 14px; }
  .top-nav {
    margin-left: auto;
    gap: 0;
  }
  .top-nav a:not([aria-current="page"]) { display: none; }
  .top-nav a[aria-current="page"] {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    padding: 8px 14px;
    border: 1px solid var(--blue-line);
    border-radius: 999px;
    background: var(--card);
    white-space: nowrap;
  }
  .lang-switcher { margin-left: 0; }
  .hero-grid,
  .delete-layout,
  .help-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: 28px; }
  .delete-layout { gap: 22px; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
}

@media (max-width: 520px) {
  .page-shell,
  .header-inner { width: min(100% - 28px, var(--shell)); }
  .header-inner { min-height: 68px; gap: 12px; }
  .brand span { display: none; }
  .brand-mark { width: 32px; height: 32px; }
  .lang-toggle { padding: 6px 8px; }
  .delete-hero { padding: 48px 0 36px; }
  .delete-hero h1 { font-size: clamp(34px, 12vw, 48px); }
  .trust-card,
  .delete-guidance,
  .delete-form-card { border-radius: 22px; padding: 24px 20px; }
  .delete-section { padding-bottom: 56px; }
  .help-section { padding: 48px 0; }
  .footer-links { gap: 12px 18px; }
}

@media (max-width: 360px) {
  .header-inner { gap: 8px; }
  .top-nav a[aria-current="page"] { padding-inline: 10px; }
  .lang-toggle { padding-inline: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition-duration: 0.01ms !important; }
}