@import url('https://fonts.googleapis.com/css2?family=SF+Pro+Display:wght@400;700&display=swap');

body {
  margin: 0;
  font-family: 'SF Pro Display', 'Apple SD Gothic Neo', Arial, sans-serif;
  background: linear-gradient(180deg, #f8f8f8 0%, #e8e8e8 100%);
  color: #111;
  scroll-behavior: smooth;
}

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  background: #fff;
}

.logo {
  width: 120px;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1s, transform 1s;
}

.logo.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 로고 이미지 split 스타일 */
.logo-img-split {
  position: relative;
  width: 120px;
  height: 120px;
  margin: 0 auto 2.5rem auto;
}
.logo-img {
  position: absolute;
  left: 0;
  width: 120px;
  height: 120px;
  object-fit: contain;
  transition: transform 0.8s cubic-bezier(.4,1,.7,1), clip-path 0.8s cubic-bezier(.4,1,.7,1), opacity 0.7s;
  will-change: transform, clip-path, opacity;
}
.logo-img.top {
  z-index: 2;
  clip-path: inset(0 0 46% 0); /* 위쪽 55%만 보이게 */
}
.logo-img.bottom {
  z-index: 1;
  clip-path: inset(55% 0 0 0); /* 아래쪽 45%만 보이게 */
}
.logo-img-split.split .logo-img.top {
  transform: translateY(-46%);
  opacity: 0.7;
}
.logo-img-split.split .logo-img.bottom {
  transform: translateY(55%);
  opacity: 0.7;
}

.main-title {
  font-size: 2.8rem;
  font-weight: 700;
  margin-top: 2rem;
  letter-spacing: -1px;
  text-align: center;
}

.project, .contact {
  max-width: 800px;
  margin: 0 auto;
  padding: 90px 24px 60px 24px;
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 1s, transform 1s;
}

.project.visible, .contact.visible {
  opacity: 1;
  transform: translateY(0);
}

.project h2, .contact h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

/* 스크롤 다운 아이콘 */
.scroll-down {
  position: absolute;
  left: 50%;
  bottom: 48px;
  transform: translateX(-50%);
  z-index: 10;
  animation: scroll-bounce 1.3s infinite cubic-bezier(.4,0,.2,1);
  opacity: 0.85;
  transition: opacity 0.5s;
}
.scroll-down.hide {
  opacity: 0;
  pointer-events: none;
}
@keyframes scroll-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(18px); }
}
.scroll-down svg {
  display: block;
}

/* Slide up animation for 'zvan [지:반]' */
.slide-up {
  display: inline-block;
  opacity: 0;
  transform: translateY(40px);
  animation: slideUp 1s cubic-bezier(.4,1,.7,1) forwards;
}
@keyframes slideUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade-in animation for subtitle */
.fade-in {
  display: inline-block;
  opacity: 0;
  animation: fadeIn 1.2s cubic-bezier(.4,1,.7,1) 0.9s forwards;
}
@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

/* Apple-style project showcase */
.project-list {
  display: flex;
  flex-direction: column;
  gap: 120px;
  margin-top: 48px;
}
.project-item {
  display: flex;
  align-items: center;
  gap: 60px;
  max-width: 1100px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(60px);
  transition: opacity 1.2s cubic-bezier(.4,1,.7,1), transform 1.2s cubic-bezier(.4,1,.7,1);
}
.project-item.visible {
  opacity: 1;
  transform: translateY(0);
  animation: slideUp 1.2s cubic-bezier(.4,1,.7,1) forwards;
}
.project-item.reverse {
  flex-direction: row-reverse;
}
.project-image-wrap {
  flex: 1 1 52%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f5f5f7;
  border-radius: 32px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.07);
  overflow: hidden;
  min-height: 340px;
}
.project-image {
  width: 100%;
  max-width: 480px;
  height: auto;
  border-radius: 24px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.09);
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(.4,1,.7,1);
}
.project-image-wrap:hover .project-image {
  transform: scale(1.035) translateY(-6px);
}
.project-desc {
  flex: 1 1 40%;
  padding: 0 24px;
}
.project-desc h3 {
  font-size: 2.1rem;
  font-weight: 700;
  margin-bottom: 1.1rem;
  letter-spacing: -1px;
}
.project-desc p {
  font-size: 1.15rem;
  color: #444;
  line-height: 1.7;
  letter-spacing: -0.2px;
}
@media (max-width: 900px) {
  .project-item, .project-item.reverse {
    flex-direction: column !important;
    gap: 28px;
  }
  .project-image-wrap {
    min-height: 220px;
  }
  .project-desc {
    padding: 0 4px;
  }
}
@media (max-width: 600px) {
  .project-list {
    gap: 60px;
    margin-top: 24px;
  }
  .project-image {
    max-width: 98vw;
    border-radius: 12px;
  }
  .project-desc h3 {
    font-size: 1.3rem;
  }
}

@media (max-width: 600px) {
  .main-title {
    font-size: 1.5rem;
  }
  .project, .contact {
    padding: 60px 10px 40px 10px;
  }
}

/* Project Modal (Apple-style) */
.project-modal {
  position: fixed;
  z-index: 2000;
  top: 0; left: 0; right: 0; bottom: 0;
  display: none;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}
.project-modal.active {
  display: flex;
  pointer-events: auto;
}
.modal-backdrop {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(30,34,40,0.46);
  backdrop-filter: blur(2.5px);
  z-index: 1;
  opacity: 0;
  transition: opacity 0.35s;
}
.project-modal.active .modal-backdrop {
  opacity: 1;
}
.modal-content {
  position: relative;
  display: flex;
  flex-direction: row;
  width: 1200px;
  max-width: 98vw;
  min-height: 600px;
  height: 80vh;
  max-height: 98vh;
  background: #fff;
  border-radius: 28px;
  box-shadow: 0 8px 48px 0 rgba(0,0,0,0.18);
  overflow: hidden;
  z-index: 2;
  animation: modalIn 0.4s cubic-bezier(.4,1,.7,1);
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(60px) scale(0.98); }
  to { opacity: 1; transform: none; }
}
.modal-close {
  position: absolute;
  top: 18px;
  right: 22px;
  background: none;
  border: none;
  font-size: 2.3rem;
  color: #222;
  cursor: pointer;
  z-index: 10;
  opacity: 0.7;
  transition: opacity 0.2s;
}
@media (max-width: 900px) {
  .modal-close {
    position: fixed;
    top: 10px;
    right: 20px;
    z-index: 2002;
  }
}
@media (max-width: 600px) {
  .modal-close {
    position: fixed;
    top: 10px;
    right: 12px;
    z-index: 2002;
  }
}
.modal-left {
  width: 180px;
  background: #f6f6f8;
  padding: 32px 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  border-right: 1px solid #e5e5e5;
  overflow-y: auto;
  overflow-x: hidden;
  position: relative;
}
.modal-thumbnails {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-top: 28px;
  width: 100%;
  align-items: center;
  overflow-x: auto;
  overflow-y: hidden;
  max-height: 70vh;
  scrollbar-width: thin;
}
@media (max-width: 900px) {
  .modal-left {
    flex-direction: row;
    width: 100%;
    border-right: none;
    border-bottom: 1px solid #e5e5e5;
    padding: 18px 8px;
    overflow-x: auto;
    overflow-y: hidden;
    min-height: 70px;
    background: #fafbfc;
  }
  .modal-thumbnails {
    flex-direction: row;
    gap: 12px;
    margin-top: 0;
    margin-bottom: 0;
    width: auto;
    max-width: 100vw;
    max-height: unset;
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: thin;
  }
}
@media (max-width: 600px) {
  .modal-left {
    width: 100% !important;
    border-right: none;
    border-bottom: 1px solid #e5e5e5;
    padding: 12px 0 8px 0;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
    overflow-y: hidden;
    background: #fafbfc;
    min-height: 56px;
  }
  .modal-thumbnails {
    flex-direction: row !important;
    justify-content: flex-start;
    gap: 10px !important;
    margin-bottom: 6px;
    margin-top: 6px;
    overflow-x: auto;
    overflow-y: hidden;
    width: 100%;
    max-width: 100vw;
    scrollbar-width: thin;
  }
}
.modal-thumb {
  width: 120px;
  height: 80px;
  object-fit: cover;
  border-radius: 12px;
  border: 2.5px solid transparent;
  cursor: pointer;
  transition: border 0.22s, box-shadow 0.22s;
  box-shadow: 0 2px 12px rgba(0,0,0,0.07);
}
.modal-thumb.selected, .modal-thumb:hover {
  border-color: #222;
  box-shadow: 0 4px 20px rgba(0,0,0,0.13);
}
.modal-center {
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 0;
  padding: 0;
  position: relative;
  height: 100%;
}
.modal-viewer {
  flex: 1 1 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  padding: 0 34px;
  max-height: unset;
}
.modal-view-image {
  width: 100%;
  max-width: 520px;
  border-radius: 20px;
  box-shadow: 0 4px 28px rgba(0,0,0,0.10);
}
.modal-info-col {
  width: 340px;
  min-width: 260px;
  background: #fff;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-end;
  /* border-left: 1px solid #e5e5e5; */
  padding: 0 0 0 0;
  position: relative;
  z-index: 2;
}
.modal-info {
  position: absolute;
  right: 35px;
  bottom: 16%;
  margin: 0;
  align-self: flex-end;
  background: #fff;
  box-shadow: 0 2px 18px rgba(0,0,0,0.08);
  border-radius: 16px;
  padding: 24px 28px 20px 28px;
  font-family: inherit;
  font-size: 0.832rem;
  color: #222;
  display: flex;
  flex-direction: column;
  gap: 0.7em;
  pointer-events: auto;
  transition: box-shadow 0.18s;
  min-width: 279px;
  max-width: 406px;
}
@media (max-width: 1200px) {
  .modal-content {
    width: 98vw;
  }
  .modal-info-col {
    width: 240px;
    min-width: 180px;
  }
}
@media (max-width: 900px) {
  .modal-content {
    flex-direction: column;
    min-height: 420px;
    height: auto;
  }
  .modal-left {
    flex-direction: row;
    width: 100%;
    border-right: none;
    border-bottom: 1px solid #e5e5e5;
    padding: 18px 8px;
    overflow-x: auto;
    overflow-y: hidden;
  }
  .modal-thumbnails {
    flex-direction: row;
    gap: 12px;
  }
  .modal-thumb {
    width: 80px;
    height: 60px;
  }
  .modal-center {
    padding: 0 0;
  }
  .modal-info-col {
    width: 100%;
    min-width: 0;
    border-left: none;
    border-top: 1px solid #e5e5e5;
    padding: 0;
    align-items: center;
    justify-content: center;
    position: static;
  }
  .modal-info {
    position: static;
    margin: 18px auto 0 auto;
    align-self: center;
    max-width: 94vw;
    padding: 18px 10vw 12px 10vw;
    font-size: 0.776rem;
  }
}
@media (max-width: 600px) {
  .modal-content {
    display: block;
    min-height: 200px;
    height: auto;
    border-radius: 12px;
    padding: 0;
  }
  .modal-left {
    width: 100% !important;
    border-right: none;
    border-bottom: 1px solid #e5e5e5;
    padding: 12px 0 8px 0;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
    overflow-y: hidden;
    background: #fafbfc;
  }
  .modal-center {
    width: 100% !important;
    padding: 0 !important;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: #fff;
  }
  .modal-thumbnails {
    flex-direction: row !important;
    justify-content: center;
    gap: 10px !important;
    margin-bottom: 6px;
    margin-top: 6px;
    overflow-x: auto;
    overflow-y: hidden;
    width: 100%;
  }
  .modal-viewer {
    width: 100vw !important;
    max-width: 100vw;
    min-width: unset;
    margin: 0 auto;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  .modal-viewer img {
    width: 100vw !important;
    max-width: 100vw;
    height: auto;
    border-radius: 0;
    object-fit: contain;
  }
  .modal-info {
    padding: 12px 3vw 10px 3vw;
    border-radius: 8px;
    font-size: 0.776rem;
    margin: 10px auto 0 auto;
  }
}

/* 모던 상세보기 버튼 */
.project-detail-btn {
  margin-top: 1.6rem;
  padding: 0.75em 2.2em;
  background: linear-gradient(90deg, #222 0%, #444 100%);
  color: #fff;
  font-size: 1.08rem;
  font-weight: 600;
  border: none;
  border-radius: 2em;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 0.18s, transform 0.18s, box-shadow 0.18s;
  outline: none;
  position: relative;
  overflow: hidden;
}
.project-detail-btn::after {
  content: "→";
  margin-left: 0.7em;
  font-size: 1.13em;
  vertical-align: middle;
  transition: margin-left 0.18s;
}
.project-detail-btn:hover, .project-detail-btn:focus {
  background: linear-gradient(90deg, #111 0%, #222 100%);
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 6px 24px rgba(0,0,0,0.13);
}
.project-detail-btn:hover::after, .project-detail-btn:focus::after {
  margin-left: 1.1em;
}
@media (max-width: 600px) {
  .project-detail-btn {
    font-size: 0.92rem;
    padding: 0.6em 1.4em;
  }
}

/* 모달 우측 하단 프로젝트 소개 오버레이 */
.modal-info-title {
  font-size: 1.35em;
  font-weight: 700;
  margin-bottom: 0.4em;
  letter-spacing: -1.5px;
  text-align: right;
}
.modal-info-table {
  width: 100%;
  border-collapse: collapse;
}
.modal-info-label {
  font-weight: 600;
  color: #666;
  text-align: left;
  padding-right: 0.84em;
  white-space: nowrap;
}
.modal-info-value {
  font-weight: 400;
  color: #222;
  text-align: right;
  word-break: keep-all;
  line-height: 1.5;
}

.contact {
  width: 100%;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.contact-inner {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: #fff;
  border-radius: 22px;
  box-shadow: 0 6px 36px rgba(0,0,0,0.08);
  padding: 56px 24px 48px 24px;
  gap: 36px;
  position: relative;
  top: 86px;
  margin-bottom: 100px;
  opacity: 0;
  transform: translateY(60px);
  transition: opacity 1.2s cubic-bezier(.4,1,.7,1), transform 1.2s cubic-bezier(.4,1,.7,1);
}
.contact-inner.visible {
  opacity: 1;
  transform: translateY(0);
  animation: slideUp 1.2s cubic-bezier(.4,1,.7,1) forwards;
}
.contact-title {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -1.2px;
  color: #222;
  margin-bottom: 12px;
  text-align: center;
}

.contact-map-wrap {
  width: 100%;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0,0,0,0.10);
  transition: box-shadow 0.2s;
}

.contact-map-wrap:hover {
  box-shadow: 0 8px 36px rgba(0,0,0,0.18);
}

.contact-map {
  width: 100%;
  height: 320px;
  border: none;
  display: block;
}

.contact-info {
  padding: 32px 38px;
  max-width: 600px;
  width: 100%;
  font-size: 1.08rem;
  color: #222;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  animation: fadeInUp 0.7s cubic-bezier(.4,1,.7,1);
}

.contact-info ul {
  list-style: none;
  padding: 0;
  margin: 0;
  width: 100%;
}

.contact-info li {
  margin-bottom: 18px;
  font-size: 1.08rem;
  display: flex;
  gap: 18px;
  align-items: baseline;
}

.contact-info li span {
  font-weight: 700;
  min-width: 92px;
  color: #3a3a3a;
  letter-spacing: 0.01em;
}

.contact-info li:last-child {
  margin-bottom: 0;
}

.footer {
  width: 100%;
  background: #222;
  color: #fff;
  padding: 38px 0 24px 0;
  margin-top: 0;
  font-size: 0.98rem;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
  padding: 0 32px;
}

.footer-brand {
  font-size: 1.14rem;
  font-weight: 700;
  letter-spacing: 0.07em;
}

.footer-meta {
  opacity: 0.82;
  font-size: 0.98rem;
}

.footer-copyright {
  opacity: 0.7;
  font-size: 0.93rem;
}

@media (max-width: 1000px) {
  .contact-inner {
    max-width: 98vw;
    padding: 36px 6vw 32px 6vw;
  }
  .contact-info {
    padding: 18px 4vw;
    font-size: 0.98rem;
  }
  .footer-inner {
    align-items: flex-start;
    padding: 0 10px;
  }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

.main-nav {
  position: fixed;
  top: 34px;
  right: 48px;
  z-index: 1000;
  background: rgba(255,255,255,0.90);
  backdrop-filter: blur(6px);
  border-radius: 18px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
  padding: 8px 24px 8px 24px;
  display: flex;
  align-items: center;
  transition: background 0.2s, box-shadow 0.2s;
}
.main-nav ul {
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.main-nav a {
  font-size: 1.13rem;
  font-weight: 600;
  color: #232323;
  letter-spacing: 0.02em;
  text-decoration: none;
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: color 0.18s, border-bottom 0.18s;
}
.main-nav a:hover, .main-nav a:focus {
  color: #1976d2;
  border-bottom: 2px solid #1976d2;
}
@media (max-width: 700px) {
  .main-nav {
    top: 12px;
    right: 8px;
    padding: 6px 10px;
    border-radius: 11px;
  }
  .main-nav ul {
    gap: 12px;
  }
  .main-nav a {
    font-size: 0.97rem;
    padding: 6px 0;
  }
}