/*
 * /links.html — 개인 링크 랜딩 페이지 스타일
 * 독립 페이지라 style.css 를 불러오지 않고, 폰트(Pretendard)와 포인트 컬러(사이트 accent 계열 cyan)만 공유한다.
 * 브랜드 컬러가 생기면 :root 의 --lk-accent 만 바꾸면 된다.
 */

@font-face {
  font-family: "Pretendard";
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
  src: local("Pretendard Variable"),
       url("fonts/PretendardVariable.woff2") format("woff2-variations");
}

:root {
  /* 배경 · 표면 */
  --lk-bg: #0a1719;
  --lk-card: #10232a;
  --lk-card-hover: #142b33;
  --lk-card-border: rgba(255, 255, 255, 0.07);
  --lk-card-border-hover: rgba(255, 255, 255, 0.14);
  --lk-tile: rgba(255, 255, 255, 0.06);

  /* 텍스트 */
  --lk-text: #f2f4f7;
  --lk-text-soft: #c9d0d8;
  --lk-text-muted: #98a2ae;

  /* 포인트 컬러 1개 (거북이/게임 브랜드 컬러가 생기면 여기만 교체) */
  --lk-accent: #22d3ee;
  --lk-accent-ink: #062a31;
  --lk-accent-soft: rgba(34, 211, 238, 0.14);
  --lk-accent-line: rgba(34, 211, 238, 0.35);

  /* 형태 */
  --lk-radius: 18px;
  --lk-radius-sm: 12px;
  --lk-shadow: 0 6px 20px rgba(0, 0, 0, 0.28);
  --lk-shadow-hover: 0 12px 28px rgba(0, 0, 0, 0.36);
  --lk-gap: 14px;
  --lk-max: 560px;
  --lk-gutter: clamp(16px, 4vw, 24px);
  --lk-ease: 160ms cubic-bezier(0.2, 0.7, 0.3, 1);
}

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

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

body.links-page {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--lk-bg);
  color: var(--lk-text);
  font-family: "Pretendard", system-ui, -apple-system, "Segoe UI", Roboto, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

/* 상단에서 은은하게 내려오는 포인트 글로우 */
.links-glow {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(60% 40% at 50% -6%, var(--lk-accent-soft), transparent 70%),
    radial-gradient(90% 60% at 50% 110%, rgba(255, 255, 255, 0.025), transparent 70%);
}

.links-shell {
  position: relative;
  z-index: 1;
  width: min(100%, var(--lk-max));
  margin: 0 auto;
  padding: 36px var(--lk-gutter) calc(28px + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
}

/* JS 렌더 전 빈 컨테이너가 깜빡이지 않게 */
.links-profile, .links-list, .links-footer { opacity: 0; transition: opacity 180ms ease; }
body.is-ready .links-profile, body.is-ready .links-list, body.is-ready .links-footer { opacity: 1; }

/* ===================================
   Language toggle (KR / EN)
=================================== */
.links-lang {
  position: fixed;
  top: calc(14px + env(safe-area-inset-top));
  right: calc(14px + env(safe-area-inset-right));
  z-index: 10;
  display: inline-flex;
  padding: 3px;
  gap: 2px;
  border-radius: 999px;
  background: var(--lk-card);
  border: 1px solid var(--lk-card-border);
  box-shadow: var(--lk-shadow);
}

.links-lang button {
  appearance: none;
  border: 0;
  margin: 0;
  padding: 0 11px;
  height: 28px;
  border-radius: 999px;
  background: transparent;
  color: var(--lk-text-muted);
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background var(--lk-ease), color var(--lk-ease);
}
.links-lang button:hover { color: var(--lk-text); }
.links-lang button.active {
  background: var(--lk-accent);
  color: var(--lk-accent-ink);
}
.links-lang button:focus-visible {
  outline: 2px solid var(--lk-accent);
  outline-offset: 2px;
}

/* ===================================
   Profile
=================================== */
.links-profile {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 26px;
}

.lk-avatar {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  overflow: hidden;
  display: grid;
  place-items: center;
  margin-bottom: 14px;
  background:
    linear-gradient(160deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0.02)),
    var(--lk-card);
  border: 1px solid var(--lk-card-border-hover);
  box-shadow: 0 0 0 4px var(--lk-accent-soft), var(--lk-shadow);
}

.lk-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.lk-avatar__mono {
  font-size: 32px;
  font-weight: 700;
  color: var(--lk-accent);
  letter-spacing: -0.02em;
}

.lk-name {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.lk-tagline {
  margin: 6px 0 0;
  font-size: 15px;
  color: var(--lk-text-soft);
}

.lk-sub {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--lk-text-muted);
  letter-spacing: 0.02em;
}

.lk-socials {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.lk-social {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--lk-tile);
  color: var(--lk-text-soft);
  border: 1px solid var(--lk-card-border);
  transition: background var(--lk-ease), color var(--lk-ease), transform var(--lk-ease);
}
.lk-social:hover { color: var(--lk-accent); background: var(--lk-accent-soft); transform: translateY(-1px); }
.lk-social__icon svg { width: 18px; height: 18px; }

/* ===================================
   Cards (공통)
=================================== */
.links-list {
  display: flex;
  flex-direction: column;
  gap: var(--lk-gap);
}

.lk-card {
  display: block;
  position: relative;
  color: inherit;
  text-decoration: none;
  background: var(--lk-card);
  border: 1px solid var(--lk-card-border);
  border-radius: var(--lk-radius);
  box-shadow: var(--lk-shadow);
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  transition:
    transform var(--lk-ease),
    box-shadow var(--lk-ease),
    border-color var(--lk-ease),
    background-color var(--lk-ease);
}

@media (hover: hover) {
  .lk-card:hover {
    transform: translateY(-2px);
    background: var(--lk-card-hover);
    border-color: var(--lk-card-border-hover);
    box-shadow: var(--lk-shadow-hover);
  }
  .lk-card:hover .lk-card__arrow { color: var(--lk-accent); transform: translateX(2px); }
  .lk-card:hover .lk-card__media img { transform: scale(1.03); }
}

.lk-card:active {
  transform: translateY(0) scale(0.985);
  transition-duration: 90ms;
}

.lk-card:focus-visible {
  outline: 2px solid var(--lk-accent);
  outline-offset: 3px;
}

.lk-card__body {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  min-width: 0;
}

.lk-card__icon {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border-radius: var(--lk-radius-sm);
  display: grid;
  place-items: center;
  background: var(--lk-tile);
  border: 1px solid var(--lk-card-border);
  font-size: 22px;
  line-height: 1;
  color: var(--lk-text-soft);
}
.lk-icon--svg svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.lk-card__text {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.lk-card__title {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.35;
}

.lk-card__sub {
  font-size: 13.5px;
  color: var(--lk-text-muted);
  line-height: 1.45;
}

.lk-card__meta {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
}

.lk-card__arrow {
  color: var(--lk-text-muted);
  transition: color var(--lk-ease), transform var(--lk-ease);
}
.lk-card__arrow svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.lk-card__media {
  position: relative;
  overflow: hidden;
  background: var(--lk-tile);
}
.lk-card__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 320ms ease;
}

.lk-card__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--lk-accent-ink);
  background: var(--lk-accent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* 준비 중(placeholder) */
.lk-card--placeholder { cursor: default; }
.lk-card--placeholder .lk-card__title { color: var(--lk-text-soft); }
.lk-card__soon {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--lk-text-muted);
  border: 1px solid var(--lk-card-border-hover);
  border-radius: 999px;
  padding: 3px 9px;
  white-space: nowrap;
}
@media (hover: hover) {
  .lk-card--placeholder:hover { transform: none; box-shadow: var(--lk-shadow); }
}
.lk-card--placeholder:active { transform: none; }

/* ===================================
   Featured (포트폴리오) — 텍스트 + 오른쪽 썸네일
=================================== */
.lk-card--featured {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: stretch;
  background:
    linear-gradient(135deg, var(--lk-accent-soft), transparent 55%),
    var(--lk-card);
  border-color: var(--lk-accent-line);
}
.lk-card--featured .lk-card__body { order: 1; padding: 18px 16px 18px 18px; }
.lk-card--featured .lk-card__media {
  order: 2;
  width: 108px;
  margin: 12px 12px 12px 0;
  border-radius: var(--lk-radius-sm);
  align-self: center;
  aspect-ratio: 4 / 3;
}
.lk-card--featured .lk-card__icon {
  background: var(--lk-accent);
  border-color: transparent;
  color: var(--lk-accent-ink);
}
.lk-card--featured .lk-card__title { font-size: 18px; }
.lk-card--featured .lk-card__sub { color: var(--lk-text-soft); }
.lk-card--featured .lk-card__meta { display: none; }
.lk-card--featured.lk-card--no-media { grid-template-columns: minmax(0, 1fr); }
.lk-card--featured.lk-card--no-media .lk-card__meta { display: grid; }
@media (hover: hover) {
  .lk-card--featured:hover { border-color: var(--lk-accent); }
}

/* ===================================
   Media (Steam) — 상단 큰 이미지
=================================== */
.lk-card--media .lk-card__media {
  aspect-ratio: 2 / 1;
  border-bottom: 1px solid var(--lk-card-border);
}
.lk-card--media .lk-card__body { padding: 16px 18px 18px; }
.lk-card--media .lk-card__title { font-size: 17px; }

/* ===================================
   Content (강의) — 아이콘 타일 강조 + 선택 썸네일
=================================== */
.lk-card--content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
}
.lk-card--content .lk-card__body { order: 1; padding: 17px 18px; }
.lk-card--content .lk-card__media {
  order: 2;
  width: 84px;
  aspect-ratio: 4 / 3;
  margin: 12px 12px 12px 0;
  border-radius: var(--lk-radius-sm);
}
.lk-card--content .lk-card__icon {
  width: 48px;
  height: 48px;
  font-size: 24px;
  background: var(--lk-accent-soft);
  border-color: var(--lk-accent-line);
}
.lk-card--content.lk-card--no-media { grid-template-columns: minmax(0, 1fr); }

/* ===================================
   Compact (공식 사이트 · Instagram)
=================================== */
.lk-card--compact .lk-card__body { padding: 13px 16px; gap: 12px; }
.lk-card--compact .lk-card__icon { width: 40px; height: 40px; font-size: 19px; border-radius: 11px; }
.lk-card--compact .lk-icon--svg svg { width: 20px; height: 20px; }
.lk-card--compact .lk-card__title { font-size: 15.5px; font-weight: 600; }
.lk-card--compact .lk-card__sub { font-size: 13px; }
.lk-card--compact .lk-card__media { display: none; }

/* ===================================
   Footer
=================================== */
.links-footer {
  margin-top: 36px;
  text-align: center;
  color: var(--lk-text-muted);
  font-size: 12.5px;
  letter-spacing: 0.02em;
}

.links-noscript {
  margin: 24px 0 0;
  text-align: center;
  color: var(--lk-text-soft);
  font-size: 14px;
}
.links-noscript a { color: var(--lk-accent); }

/* ===================================
   Responsive
=================================== */
@media (min-width: 480px) {
  .links-shell { padding-top: 48px; }
  .lk-avatar { width: 96px; height: 96px; }
  .lk-name { font-size: 24px; }
  .lk-card--featured .lk-card__media { width: 128px; }
  .lk-card--content .lk-card__media { width: 96px; }
}

@media (min-width: 768px) {
  .links-shell { padding-top: 64px; }
  .links-profile { margin-bottom: 30px; }
  .lk-card__body { padding: 18px 20px; }
  .lk-card--compact .lk-card__body { padding: 14px 18px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
  .lk-card:hover, .lk-card:active { transform: none; }
  .lk-card:hover .lk-card__media img { transform: none; }
}