html {
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

/* ===========================
   CSS Custom Properties
   =========================== */
:root {
  --font:
    Pretendard, "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;

  --blue: #2563eb;
  --gray: #868e96;
  --gray-light: #dee2e6;
  --gray-bg: #f8f9fa;
  --text: #212529;
  --text-muted: #6c757d;
  --link: #3c78d8;
  --link-hover: #2558b0;
  --white: #ffffff;
  --border: #dee2e6;

  --container-max: 860px;
  --container-px: 24px;
  --header-h: 52px;
}

/* ===========================
   Site Header (고정)
   =========================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.site-header-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-px);
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-title {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--blue);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-muted);
  text-decoration: none !important;
  transition: color 0.15s ease;
  padding: 6px 0;
}

.header-nav:hover {
  color: var(--blue);
  text-decoration: none !important;
}

.header-nav-arrow {
  font-size: 0.9rem;
  line-height: 1;
}

.header-nav-label {
  font-weight: 500;
}

/* 헤더 높이만큼 본문 밀어내기 */
body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text);
  background: var(--white);
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
  padding-top: 52px;
}

/* ===========================
   Container
   =========================== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-px);
}

/* ===========================
   Projects Layout (좌우 분할)
   =========================== */
.projects-layout {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-px);
  display: flex;
  align-items: flex-start;
  min-height: calc(100vh - var(--header-h));
}

/* ===== LEFT: 아이폰 목업 (sticky) ===== */
.projects-mockup {
  width: 400px;
  flex-shrink: 0;
  position: sticky;
  top: var(--header-h);
  height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
  justify-content: center;
}

.mockup-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.mockup-disclaimer {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  font-size: 0.73rem;
  font-weight: 500;
  line-height: 1.55;
  color: #991b1b;
  background: #fef2f2;
  border: 1.5px solid #fca5a5;
  border-radius: 8px;
  padding: 9px 12px;
  text-align: left;
  margin-bottom: 12px;
}

.mockup-disclaimer svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: #ef4444;
}

.mockup-disclaimer.mobile {
  display: none;
  margin-bottom: 0;
  font-size: 0.88rem;
  line-height: 1.6;
}

.mockup-disclaimer.mobile svg {
  margin-right: 2px;
}

/* devices.css 크기 override */
.device.device-iphone-14-pro {
  zoom: 0.8;
}

/* ===== RIGHT: 프로젝트 설명 (스크롤) ===== */
.projects-content {
  flex: 1;
  min-width: 0;
  padding: 0 0 0 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
}

/* ===== Project Section (snap unit) ===== */
.project-section {
  width: 100%;
  min-height: calc(100vh - var(--header-h));
  scroll-snap-align: start;
  display: flex;
  align-items: center;
  padding: 56px 0;
  flex-shrink: 0;
}

.project-entry-inner {
  max-width: 560px;
}

.project-number {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--blue);
  background: #eff6ff;
  border-radius: 999px;
  padding: 2px 10px;
  margin-bottom: 10px;
}

.project-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 4px;
  line-height: 1.3;
}

.project-period {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin: 0 0 16px;
}

.project-desc {
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--text);
  margin: 0 0 16px;
}

.project-points {
  margin: 0 0 20px;
  padding-left: 18px;
  list-style: disc;
}

.project-points li {
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--text);
  margin-bottom: 4px;
}

.project-points li:last-child {
  margin-bottom: 0;
}

.project-points a.point-link {
  color: inherit;
  text-decoration: none;
  transition:
    color 0.15s,
    border-color 0.15s;
}

.project-points a.point-link:hover {
  color: var(--blue);
  border-color: var(--blue);
}

.point-link-arrow {
  font-size: 0.75rem;
  margin-left: 4px;
  opacity: 0.5;
}

/* ===== Detail Section ===== */
.project-detail .project-entry-inner {
  max-width: 560px;
}

.detail-back {
  display: inline-block;
  margin-bottom: 20px;
}

.detail-back a {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s;
}

.detail-back a:hover {
  color: var(--blue);
}

.detail-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 16px;
  line-height: 1.4;
}

.detail-body {
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--text);
  min-height: 80px;
}

/* 기술 태그 */
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}

.tag {
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--link);
  background: transparent;
  border: 1px solid #bfdbfe;
  border-radius: 999px;
  padding: 3px 10px;
  line-height: 1.4;
}

/* 링크 버튼 */
.project-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.project-link-btn {
  display: inline-flex;
  align-items: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--white);
  background: var(--blue);
  border: 1.5px solid var(--blue);
  border-radius: 999px;
  padding: 5px 16px;
  text-decoration: none !important;
  transition:
    background 0.15s ease,
    color 0.15s ease;
}

.project-link-btn:hover {
  background: var(--link-hover);
  border-color: var(--link-hover);
  color: var(--white);
  text-decoration: none !important;
}

.project-link-btn--outline {
  background: transparent;
  color: var(--blue);
}

.project-link-btn--outline:hover {
  background: var(--blue);
  color: var(--white);
}

/* ===========================
   Responsive — Mobile (≤ 640px)
   =========================== */
@media (max-width: 820px) {
  html {
    scroll-snap-type: none;
  }

  .projects-layout {
    flex-direction: column;
  }

  .projects-mockup {
    width: 100%;
    position: static;
    height: auto;
    padding: 32px 0 24px;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .projects-content {
    padding: 0;
  }

  .project-section {
    min-height: auto;
    scroll-snap-align: none;
    padding: 40px 0;
  }

  .mockup-disclaimer.mobile {
    display: block;
  }

  .mockup-disclaimer.web {
    display: none;
  }
}

/* ===========================
   Responsive — Mobile (≤ 480px)
   =========================== */
@media (max-width: 480px) {
  :root {
    --container-px: 14px;
  }
}

/* ===========================
   Print
   =========================== */
@media print {
  a {
    color: var(--text);
  }
}

/* ===========================
   iOS Screen Base
   =========================== */
.ios-screen {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
  font-family: -apple-system, "SF Pro Display", "Helvetica Neue", sans-serif;
  border-radius: 49px;
}

/* ===========================
   iOS Lock Screen
   =========================== */
.ios-lockscreen {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      ellipse at 30% 20%,
      rgba(200, 40, 25, 0.75) 0%,
      transparent 45%
    ),
    radial-gradient(
      ellipse at 70% 60%,
      rgba(130, 18, 8, 0.65) 0%,
      transparent 45%
    ),
    linear-gradient(170deg, #1a0404 0%, #0d0202 50%, #050000 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 20;
  transition:
    transform 0.5s cubic-bezier(0.4, 0, 0.2, 1),
    opacity 0.4s ease;
  cursor: grab;
  user-select: none;
}

.ios-lockscreen.unlocking {
  transform: translateY(-100%);
  opacity: 0;
}

.ios-ls-statusbar {
  width: 100%;
  padding: 14px 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.ios-ls-time {
  font-size: 14px;
  font-weight: 600;
  color: white;
}

.ios-ls-icons {
  display: flex;
  align-items: center;
  gap: 5px;
}

.ios-ls-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.ios-ls-lockicon {
  width: 28px;
  height: 28px;
  margin-bottom: 4px;
  opacity: 0.85;
}

.ios-ls-clock {
  font-size: 72px;
  font-weight: 200;
  color: white;
  letter-spacing: -2px;
  line-height: 1;
}

.ios-ls-date {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 400;
}

.ios-ls-hint {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.ios-ls-bottom {
  width: 100%;
  padding: 0 28px 28px;
  display: flex;
  justify-content: space-between;
}

.ios-ls-bottom svg {
  width: 26px;
  height: 26px;
  opacity: 0.7;
}

/* ===========================
   iOS Home Screen
   =========================== */

.device-screen {
  background-image: url("https://devicescss.xyz/assets/img/bg-iphone-14-pro.jpg");
  border-radius: 49px;
  height: 830px;
  width: 390px;
}

.ios-homescreen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
}

/* Status Bar */
.ios-statusbar {
  padding: 14px 40px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  position: relative;
  z-index: 5;
}

.ios-clock {
  font-size: 18px;
  font-weight: 600;
  color: white;
  letter-spacing: -0.3px;
}

.ios-statusbar-icons {
  display: flex;
  align-items: center;
  gap: 5px;
}

/* Home body */
.ios-home-body {
  flex: 1;
  padding: 30px 14px 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* App Grid */
.ios-app-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px 0px;
}

.ios-app {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.ios-app-icon {
  transition:
    transform 0.12s ease,
    box-shadow 0.12s ease;
  position: relative;
}

.logtrip-icon img {
  width: 62px;
  border-radius: 14px;
  object-fit: fill;
}

.ios-app.tapped .ios-app-icon {
  transform: scale(0.86);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25);
}

.ios-app--active .ios-app-icon {
  box-shadow:
    0 0 0 2.5px rgba(255, 255, 255, 0.9),
    0 3px 12px rgba(0, 0, 0, 0.4);
}

.ios-app-label {
  font-size: 12px;
  color: white;
  text-align: center;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.7);
  max-width: 58px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.2;
}

/* Dock */
.ios-dock {
  margin: 0 14px 14px;
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border-radius: 34px;
  padding: 16px 0px;
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-shrink: 0;
}

/* ===========================
   iOS App Detail Screen
   =========================== */
.ios-appscreen {
  position: absolute;
  inset: 0;
  background: #fff;
  transform: scale(0.06);
  opacity: 0;
  pointer-events: none;
  transition:
    transform 0.42s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    opacity 0.2s ease;
  will-change: transform, opacity;
  overflow: hidden;
  border-radius: inherit;
}

.ios-appscreen.open {
  transform: scale(1);
  opacity: 1;
  pointer-events: auto;
}

.ios-appscreen-hero {
  width: 100%;
  height: 100%;
}

.ios-appscreen-back {
  position: absolute;
  top: 14px;
  left: 14px;
  display: flex;
  align-items: center;
  gap: 4px;
  background: rgba(255, 255, 255, 0.25);
  border: none;
  color: white;
  font-size: 13px;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  padding: 4px 10px 4px 8px;
  border-radius: 999px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.ios-appscreen-back svg {
  width: 8px;
  height: 14px;
}

.ios-appscreen-hero-content {
  width: 100%;
  height: 100%;
}

.ios-appscreen-hero-content > iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.ios-proj-number {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  padding: 2px 8px;
  margin-bottom: 6px;
  letter-spacing: 0.08em;
}

.ios-proj-title {
  font-size: 17px;
  font-weight: 700;
  color: white;
  margin: 0 0 3px;
  line-height: 1.25;
}

.ios-proj-period {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.75);
  margin: 0;
}

.ios-appscreen-body {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.ios-proj-desc {
  font-size: 12px;
  line-height: 1.7;
  color: #3a3a3c;
  margin: 0 0 14px;
}

.ios-proj-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 18px;
}

.ios-proj-tag {
  font-size: 10px;
  font-weight: 500;
  color: #2563eb;
  border: 1px solid #bfdbfe;
  background: white;
  border-radius: 999px;
  padding: 2px 7px;
}

.ios-proj-cta {
  display: block;
  width: 100%;
  padding: 11px;
  background: #007aff;
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  text-align: center;
}

.ios-proj-cta:active {
  background: #0056cc;
}

/* ===========================
   Footer
   =========================== */
.resume-footer {
  margin-top: 50px;
  padding-bottom: 32px;
}

.footer-text {
  padding: 14px 0;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-text a {
  color: var(--text-muted);
}

.footer-text a:hover {
  color: var(--blue);
  text-decoration: underline;
}

/* ===========================
   Responsive — Tablet (≤ 768px)
   =========================== */
@media (max-width: 768px) {
  :root {
    --container-px: 18px;
  }
}