/* =========================================================
   VIPL MODERN THEME
   ========================================================= */

/* ---------- Variables ---------- */

:root {
  --vipl-blue: #2458df;
  --vipl-blue-dark: #1744bd;

  --vipl-text: #182230;
  --vipl-muted: #5d6b80;

  --vipl-bg: #ffffff;
  --vipl-soft: #f5f8ff;
  --vipl-border: #dfe6f2;
}


/* =========================================================
   GLOBAL
   ========================================================= */

body {
  font-size: 16px;
  line-height: 1.7;

  color: var(--vipl-text);
  background: var(--vipl-bg);
}

.container {
  width: 100%;
  max-width: 1180px;

  margin: 0 auto;
  padding-left: 36px;
  padding-right: 36px;
}

.section {
  padding: 96px 0;
}

.section-title {
  margin: 0;

  font-size: clamp(34px, 4vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.04em;
  font-weight: 700;
}

.eyebrow {
  margin: 0 0 14px;

  font-size: 13px;
  font-weight: 700;

  letter-spacing: 0.12em;
  text-transform: uppercase;

  color: var(--vipl-blue);
}

a {
  transition: color 0.2s ease;
}

a:hover {
  color: var(--vipl-blue-dark);
}


/* =========================================================
   HERO
   ========================================================= */

#home-hero {
  min-height: 620px;

  display: flex;
  align-items: center;

  padding: 88px 0;

  overflow: hidden;

  background:
    radial-gradient(
      circle at 82% 45%,
      rgba(36, 88, 223, 0.11),
      transparent 32%
    ),
    linear-gradient(
      135deg,
      #ffffff 0%,
      #f8faff 55%,
      #eef4ff 100%
    );
}


/* Hero two-column layout */

#home-hero .hero-grid {
  width: 100%;

  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);

  align-items: center;

  gap: 72px;
}


/* ---------- Hero text ---------- */

#home-hero .hero-copy {
  max-width: 700px;
}


/* Small label */

#home-hero .hero-kicker {
  margin: 0 0 32px;

  font-size: 13px;
  line-height: 1;

  font-weight: 700;

  letter-spacing: 0.14em;
  text-transform: uppercase;

  color: var(--vipl-blue) !important;
}


/* Main headline */

#home-hero h1 {
  margin: 0;

  font-size: clamp(58px, 5.4vw, 76px);
  line-height: 1.01;

  letter-spacing: -0.055em;
  font-weight: 750;

  color: var(--vipl-text) !important;
}


/* Hero description */

#home-hero .hero-subtitle {
  max-width: 650px;

  margin: 30px 0 0;

  font-size: 19px;
  line-height: 1.65;

  color: var(--vipl-muted) !important;
  opacity: 1 !important;
}


/* ---------- Hero buttons ---------- */

#home-hero .hero-buttons {
  display: flex;
  flex-wrap: wrap;

  gap: 12px;

  margin-top: 34px;
}

#home-hero .hero-buttons a {
  min-height: 52px;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  padding: 0 24px;

  border-radius: 12px;

  font-size: 16px;
  font-weight: 600;

  text-decoration: none;

  transition:
    transform 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}


/* Primary button */

#home-hero .hero-buttons a:first-child {
  color: #ffffff !important;

  background: var(--vipl-blue) !important;
  border: 1px solid var(--vipl-blue) !important;

  box-shadow:
    0 10px 24px rgba(36, 88, 223, 0.18);
}


/* Secondary button */

#home-hero .hero-buttons a:nth-child(2) {
  color: var(--vipl-blue) !important;

  background: rgba(255, 255, 255, 0.85) !important;
  border: 1px solid var(--vipl-border) !important;

  box-shadow:
    0 4px 14px rgba(20, 40, 80, 0.05);
}


/* Button hover */

#home-hero .hero-buttons a:hover {
  transform: translateY(-2px);
}

#home-hero .hero-buttons a:first-child:hover {
  background: var(--vipl-blue-dark) !important;
}

#home-hero .hero-buttons a:nth-child(2):hover {
  background: #ffffff !important;
  border-color: #bccaf0 !important;
}


/* ---------- Hero logo ---------- */

#home-hero .hero-visual {
  position: relative;

  min-height: 400px;

  display: flex;
  align-items: center;
  justify-content: center;
}

#home-hero .hero-visual::before {
  content: "";

  position: absolute;

  width: 430px;
  height: 430px;

  border-radius: 50%;

  background:
    radial-gradient(
      circle,
      rgba(36, 88, 223, 0.10) 0%,
      rgba(36, 88, 223, 0.03) 48%,
      transparent 72%
    );
}

#home-hero .hero-visual img {
  position: relative;
  z-index: 1;

  width: 100%;
  max-width: 480px;
  height: auto;

  object-fit: contain;

  filter:
    drop-shadow(0 18px 32px rgba(23, 70, 209, 0.10));

  transition:
    transform 0.35s ease,
    filter 0.35s ease;
}

#home-hero .hero-visual img:hover {
  transform: translateY(-4px);

  filter:
    drop-shadow(0 22px 40px rgba(23, 70, 209, 0.15));
}

/* =========================================================
   ABOUT — EDITORIAL STYLE
   ========================================================= */

#home-about {
  padding: 100px 0 110px;
  background: #ffffff;
}

#home-about .section-head {
  margin-bottom: 38px;
}


/* ---------- Lead ---------- */

#home-about .about-lead {
  max-width: 1080px;
  margin-bottom: 54px;
}

#home-about .about-lead p {
  margin: 0;

  font-size: 19px;
  line-height: 1.75;

  color: #43516a;
}


/* =========================================================
   RESEARCH FOCUS
   ========================================================= */

#home-about .about-focus-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));

  gap: 42px;

  margin-bottom: 58px;
}


/* No card background / no shadow */

#home-about .about-focus-item {
  padding-top: 22px;

  border-top: 2px solid #dce4f2;
}


/* small blue accent */

#home-about .about-focus-item::before {
  content: "";

  display: block;

  width: 38px;
  height: 3px;

  margin-top: -24px;
  margin-bottom: 23px;

  background: var(--vipl-blue);
}


#home-about .about-focus-item h3 {
  margin: 0 0 14px;

  font-size: 20px;
  line-height: 1.35;

  font-weight: 700;
  letter-spacing: -0.02em;

  color: var(--vipl-text);
}


#home-about .about-focus-item p {
  margin: 0;

  font-size: 15.5px;
  line-height: 1.75;

  color: var(--vipl-muted);
}


/* =========================================================
   STATEMENT
   ========================================================= */

#home-about .about-statement {
  width: 100%;
  max-width: none;
  box-sizing: border-box;

  margin-top: 4px;
  padding: 0 0 0 28px;

  border-left: 3px solid var(--vipl-blue);
}


#home-about .about-statement p {
  margin: 0;

  font-size: 22px;
  line-height: 1.6;

  letter-spacing: -0.02em;

  color: var(--vipl-text);
}


/* =========================================================
   VISION
   ========================================================= */

#home-about .about-vision {
  margin-top: 58px;
  padding-top: 30px;

  border-top: 1px solid #dfe5ef;
}


#home-about .about-vision-label {
  display: block;

  margin-bottom: 12px;

  font-size: 12px;
  font-weight: 700;

  letter-spacing: 0.16em;

  color: var(--vipl-blue);
}


#home-about .about-vision p {
  max-width: 900px;

  margin: 0;

  font-size: 28px;
  line-height: 1.4;

  font-weight: 700;

  letter-spacing: -0.035em;

  color: var(--vipl-text);
}


/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width: 900px) {

  #home-about .about-focus-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

}


@media (max-width: 600px) {

  #home-about {
    padding: 72px 0 80px;
  }

  #home-about .about-lead p {
    font-size: 17px;
  }

  #home-about .about-statement p {
    font-size: 19px;
  }

  #home-about .about-vision p {
    font-size: 23px;
  }
}




/* =========================================================
   NOTICE
   ========================================================= */

#home-notice {
  padding: 96px 0;
  background: #f6f8fc;
}

#home-notice .section-head {
  margin-bottom: 42px;
}

#home-notice .section-title {
  font-size: 42px;
  color: var(--vipl-text);
}


/* Notice 전체 레이아웃 */

#home-notice .notice-list {
  width: 100%;
  max-width: none;

  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));

  gap: 22px;
}


/* 개별 카드 */

#home-notice .notice-item {
  position: relative;

  padding: 30px 32px;

  background: #ffffff;

  border: 1px solid var(--vipl-border);
  border-radius: 18px;

  box-shadow:
    0 6px 20px rgba(20, 40, 80, 0.04);

  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease,
    border-color 0.25s ease;
}


/* 카드 hover */

#home-notice .notice-item:hover {
  transform: translateY(-3px);

  border-color: #c9d6f5;

  box-shadow:
    0 14px 34px rgba(30, 60, 120, 0.08);
}


/* Graduate / Undergraduate 제목 */

#home-notice .notice-item h3 {
  margin: 0 0 16px;

  font-size: 20px;
  line-height: 1.35;

  font-weight: 700;

  color: var(--vipl-blue);
}


/* 본문 */

#home-notice .notice-item p {
  margin: 0;

  font-size: 16px;
  line-height: 1.7;

  color: #485568;
}


/* 링크 */

#home-notice .notice-item a {
  color: var(--vipl-blue);
  font-weight: 500;
  text-decoration: none;
}

#home-notice .notice-item a:hover {
  text-decoration: underline;
}


/* Research Areas:
   세 번째 Notice는 아래에서 전체 폭 사용 */

#home-notice .notice-item:nth-child(3) {
  grid-column: 1 / -1;

  padding-top: 28px;
  padding-bottom: 28px;
}


/* Research Areas 리스트 */

#home-notice .notice-item ul {
  margin: 16px 0 0;
  padding: 0;

  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));

  gap: 12px;

  list-style: none;
}


#home-notice .notice-item:nth-child(3) li {
  margin: 0;
  padding: 13px 16px;

  background: #f7f9fd;
  border: 1px solid #e8edf6;
  border-radius: 10px;

  font-size: 15px;
  line-height: 1.4;
  font-weight: 700;

  color: var(--vipl-text);

  /* 글씨를 박스 정중앙으로 */
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

/* =========================================================
   NEWS
   디자인만 담당 — More/Less 로직은 main.js에 맡김
   ========================================================= */

#home-news {
  padding: 96px 0 80px;
  background: #ffffff;
}

#home-news .section-head {
  margin-bottom: 38px;
}

#home-news .section-title {
  font-size: 42px;
  color: var(--vipl-text);
}

#home-news .news-list {
  width: 100%;
  max-width: 1080px;
}


/* ---------- News row ---------- */

#home-news .news-item,
#home-news .news-row {
  padding: 17px 8px;

  border-bottom: 1px solid #e8edf4;

  transition:
    background 0.2s ease;
}

#home-news .news-item:first-child,
#home-news .news-row:first-child {
  border-top: 1px solid #e8edf4;
}

#home-news .news-item:hover,
#home-news .news-row:hover {
  background: #f8faff;
}


/* ---------- Date ---------- */

#home-news .news-date {
  font-size: 13px;
  font-weight: 600;
  color: #7a8699;
}


/* ---------- News text ---------- */

#home-news .news-title,
#home-news .news-text {
  font-size: 16px;
  line-height: 1.55;
  color: var(--vipl-text);
}


/* ---------- Links ---------- */

#home-news a {
  color: var(--vipl-blue);
  font-weight: 600;
  text-decoration: none;
}

#home-news a:hover {
  color: var(--vipl-blue-dark);
}


/* ---------- More / Less button ---------- */

#home-news .more-btn,
#home-news .btn-more {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  margin-top: 28px;
  padding: 10px 18px;

  background: #f5f8ff;
  border: 1px solid #dce5f5;
  border-radius: 999px;

  color: var(--vipl-blue);

  font-size: 14px;
  font-weight: 600;

  text-decoration: none;

  transition:
    background 0.2s ease,
    border-color 0.2s ease;
}

#home-news .more-btn:hover,
#home-news .btn-more:hover {
  background: #edf3ff;
  border-color: #cbd8f1;
  color: var(--vipl-blue-dark);
}

/* =========================================================
   TABLET / MOBILE
   ========================================================= */

@media (max-width: 900px) {

  .container {
    padding-left: 26px;
    padding-right: 26px;
  }

  .section {
    padding: 72px 0;
  }


  /* Hero */

  #home-hero {
    min-height: auto;
    padding: 76px 0 64px;
  }

  #home-hero .hero-grid {
    grid-template-columns: 1fr;

    gap: 48px;
  }

  #home-hero .hero-copy {
    max-width: 680px;
  }

  #home-hero h1 {
    font-size: clamp(52px, 10vw, 68px);
  }

  #home-hero .hero-subtitle {
    margin-top: 26px;

    font-size: 17px;
  }

  #home-hero .hero-buttons {
    margin-top: 28px;
  }

  #home-hero .hero-visual {
    min-height: auto;
  }

  #home-hero .hero-visual img {
    max-width: 420px;
  }

  #home-hero .hero-visual::before {
    width: 330px;
    height: 330px;
  }
   
    /* Notice */

  #home-notice .notice-list {
    grid-template-columns: 1fr;
  }
   
   /* Research Areas 카드 영역 */ 
   #home-notice .notice-item:nth-child(3) {
      grid-column: 1 / -1;
      padding: 30px 32px 32px;
   }
   
   /* 4개 동일 폭 카드 */
   #home-notice .notice-item:nth-child(3) ul {
      width: 100%;
      margin: 18px 0 0;
      padding: 0;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
      list-style: none;
   }
   /* 각각 동일한 크기 */
   #home-notice .notice-item:nth-child(3) li {
      box-sizing: border-box;
      width: 100%;
      min-width: 0;
      min-height: 82px;
      margin: 0;
      padding: 18px 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      background: #f7f9fd;
      border: 1px solid #e5eaf4;
      border-radius: 12px;
      font-size: 15px;
      line-height: 1.4;
      font-weight: 600;
      color: var(--vipl-text);
   }

   #home-notice .notice-item:nth-child(3) ul {
      grid-template-columns: repeat(2, 1fr);
   }

  /* News */

  #home-news .news-item,
  #home-news .news-row {
    grid-template-columns: 1fr;

    gap: 5px;
  }

  #home-news table.news-list td:first-child {
    width: 110px;
  }
}


/* =========================================================
   SMALL MOBILE
   ========================================================= */

@media (max-width: 600px) {

  .container {
    padding-left: 20px;
    padding-right: 20px;
  }

  #home-hero {
    padding: 62px 0 54px;
  }

  #home-hero .hero-kicker {
    margin-bottom: 24px;

    font-size: 11px;
    letter-spacing: 0.11em;
  }

  #home-hero h1 {
    font-size: clamp(46px, 14vw, 58px);
    line-height: 1.02;
  }

  #home-hero .hero-subtitle {
    margin-top: 24px;
  }

  #home-hero .hero-buttons {
    margin-top: 26px;
  }

  #home-hero .hero-buttons a {
    min-height: 48px;
    padding: 0 20px;

    font-size: 15px;
  }

  #home-notice,
  #home-news {
    padding: 72px 0;
  }

  #home-notice .notice-item {
    padding: 24px 22px;
  }

  #home-notice .notice-item ul {
    grid-template-columns: 1fr;
  }
   
  #home-notice .section-title,
  #home-news .section-title {
    font-size: 34px;
  } 
}