/* Pretendard CDN (브라우저에서만 적용됨) */
@import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css");

/* ---------- GLOBAL ---------- */

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: #f1f2f6; /* 약간 회색 배경 */
  color: #111;
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, system-ui,
    "Segoe UI", sans-serif;
  line-height: 1.6;
}

/* 공통 래퍼 */
.site-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

/* 메인 카드 (1번, 2번 레퍼런스 느낌) */
.card {
  background: #ffffff;
  border-radius: 18px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.06);
  padding: 2.25rem 2.5rem;
  border: 1px solid #d7d9e4;
}

/* ---------- HEADER & NAV ---------- */

header {
  margin-bottom: 1.5rem;
}

.site-title {
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #1f2a5c;
}

nav.main-nav {
  margin-top: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

nav.main-nav a {
  text-decoration: none;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  border: 1px solid transparent;
  color: #31418f;
  background: #e9edff;
  transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease,
    box-shadow 0.15s ease, border-color 0.2s ease;
}

nav.main-nav a:hover {
  background: #31418f;
  color: #ffffff;
  border-color: #1b2a8b;
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(20, 44, 140, 0.3);
}

/* ---------- TYPOGRAPHY ---------- */

h1,
h2,
h3 {
  margin-top: 0;
  font-weight: 600;
}

h1 {
  font-size: 2rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h2 {
  font-size: 1.4rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h3 {
  font-size: 1.1rem;
}

a {
  color: #1f40ff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ---------- HOME / GENERIC LAYOUT ---------- */

.home-layout {
  display: grid;
  grid-template-columns: 2.4fr 0.9fr;
  column-gap: 5rem;
  align-items: flex-start;
}

.home-tagline {
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #6f7ab8;
  margin-bottom: 0.4rem;
}

.home-large {
  font-size: 2.4rem;
  line-height: 1.1;
  margin-bottom: 1.2rem;
}

.home-sub {
  font-size: 0.95rem;
  color: #555;
}

.home-list {
  margin-top: 1.6rem;
  list-style: none;
  padding: 0;
}

.home-list li {
  margin-bottom: 0.6rem;
}

/* 작은 화면 대응 */
@media (max-width: 840px) {
  .home-layout {
    grid-template-columns: 1fr;
  }
}

/* ---------- PROJECTS: TABS (FLYQ 느낌) ---------- */

.projects-shell {
  border-radius: 22px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.06);
  overflow: hidden;
  border: 1px solid #d7d9e4;
}

/* 탭 바 전체 */
.project-tabs {
  display: flex;
  background: linear-gradient(
    to right,
    #ffffff,
    #eaf0ff,
    #d4e0ff,
    #b9d0ff,
    #9ab8ff,
    #7797ff,
    #526bff
  );
}

/* 개별 탭 */
.project-tab {
  flex: 1;
  padding: 0.7rem 0.9rem;
  text-align: center;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #1a2553;
  border-right: 1px solid rgba(255, 255, 255, 0.5);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  text-decoration: none;
  position: relative;
  transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease;
}

/* 맨 마지막 탭은 오른쪽 border 제거 */
.project-tab:last-child {
  border-right: none;
}

/* hover 효과 */
.project-tab:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.6);
}

/* 탭 아래의 카드 영역 */
.project-view {
  background: #ffffff;
  padding: 2.25rem 2.5rem;
}

/* 카드 내부 레이아웃 (와이드, 2컬럼) */
.project-section {
  display: none; /* 기본은 숨김, target만 표시 */
  column-gap: 2rem;
  row-gap: 1.5rem;
  min-height: 70vh; /* 한 화면 정도 높이 확보 */
}

/* :target만 보여주기 */
.project-section:target {
  display: grid;
}

@media (min-width: 880px) {
  .project-section {
    grid-template-columns: 1.6fr 1fr;
    align-items: flex-start;
  }
}

/* p5 캔버스가 들어가는 영역 */
.project-main {
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f4f5fb;
}

/* p5가 생성하는 <canvas> 스타일 */
.project-main canvas {
  max-width: 100%;
  height: auto;
  display: block;
}

/* 프로젝트 설명 영역 */
.project-meta-label {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #8c94c4;
  margin-bottom: 0.3rem;
}

.project-title {
  font-size: 1.5rem;
  margin-bottom: 0.6rem;
}

.project-description {
  font-size: 0.95rem;
  color: #474a5d;
}

/* ---------- ABOUT / CV 공통 ---------- */

.two-column {
  display: grid;
  grid-template-columns: 1.6fr 0.9fr; /* 왼쪽 넓게, 오른쪽 살짝 더 오른쪽으로 */
  gap: 3.2rem; /* 컬럼 사이 간격 */
}

@media (max-width: 840px) {
  .two-column {
    grid-template-columns: 1fr;
  }
}

.section-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #8c94c4;
  margin-bottom: 0.4rem;
}

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

ul.clean-list li {
  margin-bottom: 0.7rem;
}

/* ---------- FOOTER (선택) ---------- */

.footer-note {
  margin-top: 1.8rem;
  font-size: 0.8rem;
  color: #888ea9;
}

/* Lost & Found canvas: force keep aspect ratio */
#sketch-lost-and-found canvas{
  width: 100% !important;
  height: auto !important;
  display: block;
}
/* =========================
   HOME – Reference-like Hero
   ========================= */

body.home-page {
  /* 쨍한 파랑 배경 */
  background: #2046ff;
  color: #0b0f1a;
}

/* 홈은 wrapper 폭/패딩 살짝 여유 */
.home-wrapper {
  max-width: 1200px;
  padding: 2.2rem 1.5rem 4.2rem;
}

/* 상단 영역 */
.home-header {
  margin-bottom: 1.2rem;
}

.top-tabs {
  margin-top: 0.8rem;
}

/* 탭을 좀 더 레퍼런스처럼 미니멀하게 */
.top-tabs .tab {
  background: rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.top-tabs .tab:hover {
  background: rgba(255, 255, 255, 0.28);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.26);
  box-shadow: 0 10px 22px rgba(0, 0, 0, 0.18);
}

/* 사이트 타이틀도 흰색 계열로 */
body.home-page .site-title {
  color: rgba(255, 255, 255, 0.92);
}

/* 카드 자체를 레퍼런스처럼 심플/큰 여백 */
.hero-card {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 22px;
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.18);
  padding: 3rem 3.2rem;
}

/* 좌: 큰 타이틀 / 우: 작은 메타 */
.hero-grid {
  display: grid;
  grid-template-columns: 1.7fr 1fr;
  gap: 2.5rem;
  align-items: start;
  min-height: 46vh;
}

.hero-kicker {
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(20, 30, 60, 0.55);
  margin-bottom: 0.8rem;
}

.hero-title {
  margin: 0;
  font-size: 3.1rem;
  line-height: 0.98;
  letter-spacing: -0.02em;
  text-transform: none; /* 기존 h1 uppercase 영향 제거 */
}

/* 버튼 */
.hero-actions {
  margin-top: 1.8rem;
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;

  padding: 0.85rem 1.1rem;
  border-radius: 999px;

  background: #0b0f1a;
  color: #ffffff;
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  text-transform: none;

  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 14px 26px rgba(0, 0, 0, 0.14);
  transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s ease;
}

.hero-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.18);
  opacity: 0.96;
}

/* 우하단 작은 글씨 느낌 */
.hero-right {
  display: flex;
  justify-content: flex-end;
  align-items: flex-end;
  min-height: 100%;
}

.hero-meta {
  font-size: 0.82rem;
  line-height: 1.45;
  color: rgba(20, 30, 60, 0.65);
  text-align: right;
  max-width: 360px;
}

/* 반응형 */
@media (max-width: 900px) {
  .hero-card { padding: 2.2rem 1.7rem; }
  .hero-grid {
    grid-template-columns: 1fr;
    min-height: auto;
  }
  .hero-right {
    justify-content: flex-start;
    margin-top: 1.2rem;
  }
  .hero-meta { text-align: left; max-width: none; }
  .hero-title { font-size: 2.4rem; line-height: 1.02; }
}