@font-face {
  font-family: 'Paperlogy';
  src: url('https://fastly.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-4Regular.woff2') format('woff2');
  font-weight: 400;
}

@font-face {
  font-family: 'Paperlogy';
  src: url('https://fastly.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-5Medium.woff2') format('woff2');
  font-weight: 500;
}

@font-face {
  font-family: 'Paperlogy';
  src: url('https://fastly.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-6SemiBold.woff2') format('woff2');
  font-weight: 600;
}

@font-face {
  font-family: 'Paperlogy';
  src: url('https://fastly.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-7Bold.woff2') format('woff2');
  font-weight: 700;
}

@font-face {
  font-family: 'Paperlogy';
  src: url('https://fastly.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-8ExtraBold.woff2') format('woff2');
  font-weight: 800;
}

@font-face {
  font-family: 'Paperlogy';
  src: url('https://fastly.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-9Black.woff2') format('woff2');
  font-weight: 900;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html,
body,
button,
input,
textarea,
select {
  font-family: 'Paperlogy', 'Pretendard', 'Noto Sans KR', sans-serif;
}

body {
  margin: 0;
  color: #10253f;
  background: #f7fbff;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: fixed;
  z-index: 1000;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  padding: 0 4vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
}

.brand {
  text-decoration: none;
}

.logo-wrap {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: center;
  gap: 7px;
  transform: translateY(5px);
}

.logo-wrap::before {
  content: "";
  position: absolute;
  left: -20px;
  right: -22px;
  top: -12px;
  bottom: -12px;
  background: radial-gradient(ellipse at center,
      rgba(255, 255, 255, .72) 0%,
      rgba(255, 255, 255, .42) 45%,
      rgba(255, 255, 255, 0) 78%);
  filter: blur(10px);
  z-index: -1;
  pointer-events: none;
}

.logo-symbol {
  width: 56px;
  height: auto;
  display: block;
  object-fit: contain;
  flex-shrink: 0;
  opacity: 1;
  filter: saturate(1.12) contrast(1.08);
  transform: translateY(-1px);
}

.logo-text-wrap {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-weight: 700;
  color: #062B4D;
}

.brand-text {
  font-size: 19px;
  font-weight: 800;
  color: #062B4D;
  opacity: 1;
}

.brand-sub {
  font-size: 11px;
  letter-spacing: 0.05em;
  font-weight: 600;
  color: rgba(6, 43, 77, .78);
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 36px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.01em;
  background: rgba(255, 255, 255, 0.20);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.40);
  border-radius: 999px;
  padding: 12px 32px;
}

.site-header nav a {
  color: #07375D;
  transition: color 0.2s;
}

.site-header nav a:hover {
  color: var(--main-blue, #1295F3);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.search-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: #062B4D;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.global-menu {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: #062B4D;
  background: rgba(255, 255, 255, 0.20);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 19px;
  padding: 8px 14px;
  cursor: pointer;
}

.scrub-section {
  height: 650vh;
  background: #f0f6fc;
}

.scrub-stage {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  background: #f0f6fc;
}

#scrub-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 1;
  filter: brightness(1.05) saturate(0.92);
}

.scrub-stage-inner::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, .72) 0%, rgba(255, 255, 255, .48) 15%, rgba(255, 255, 255, .20) 30%, rgba(255, 255, 255, 0) 48%),
    linear-gradient(180deg, rgba(232, 247, 255, .28) 0%, rgba(255, 255, 255, 0) 28%),
    linear-gradient(0deg, rgba(213, 239, 255, .10) 0%, rgba(255, 255, 255, 0) 15%);
}

.hero-flow-graphic {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 100%;
  height: 400px;
  z-index: 2;
  pointer-events: none;
}

.hero-copy {
  position: absolute;
  z-index: 4;
  left: 5.5vw;
  top: 50%;
  transform: translateY(-46%);
  width: 470px;
  text-align: left;
}

.hero-copy::before {
  content: '';
  position: absolute;
  inset: -100px;
  z-index: -1;
  background: radial-gradient(ellipse at 12% 48%, rgba(255, 255, 255, .68) 0%, rgba(255, 255, 255, .36) 23%, rgba(255, 255, 255, 0) 52%);
  pointer-events: none;
}

.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .32em;
  color: #174F78;
  margin-bottom: 28px;
}

.eyebrow-line {
  width: 70px;
  height: 1px;
  background: rgba(23, 79, 120, .42);
}

.hero-copy h1 {
  font-size: clamp(56px, 4vw, 72px);
  font-weight: 750;
  line-height: 1.04;
  letter-spacing: -.055em;
  margin: 0;
  color: #062F55;
}

.hero-copy h1 span {
  color: #0799F2;
  display: block;
}

.hero-desc {
  font-size: 17px;
  font-weight: 550;
  letter-spacing: -0.02em;
  line-height: 1.55;
  color: #174D72;
  margin-top: 22px;
  opacity: 1;
}

.hero-subdesc {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: rgba(23, 77, 114, .62);
  margin-top: 18px;
}



/* Scroll Indicator */
.scroll-indicator-container {
  position: absolute;
  z-index: 4;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

@keyframes visibleWaterRipple {
  0% {
    transform: translate(-50%, -50%) scale(0.95);
    opacity: 0;
  }

  30% {
    opacity: 0.75;
  }

  100% {
    transform: translate(-50%, -50%) scale(2);
    opacity: 0;
  }
}

@keyframes scrollArrowTiny {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(4px);
  }
}

.scroll-ripple-wrapper {
  position: relative;
  width: 54px;
  height: 54px;
  overflow: visible;
}

.scroll-ripple-wrapper::before,
.scroll-ripple-wrapper::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  transform: translate(-50%, -50%) scale(0.95);
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.7);
  background: transparent;
  filter: none;
  pointer-events: none;
  z-index: 1;
}

.scroll-ripple-wrapper::before {
  animation: visibleWaterRipple 2.6s ease-out infinite;
}

.scroll-ripple-wrapper::after {
  animation: visibleWaterRipple 2.6s ease-out infinite;
  animation-delay: 0.8s;
}

.scroll-indicator {
  position: relative;
  width: 100%;
  height: 100%;
  border: 1px solid rgba(255, 255, 255, 0.80);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg,
      rgba(255, 255, 255, 0.32) 0%,
      rgba(255, 255, 255, 0.14) 45%,
      rgba(255, 255, 255, 0.08) 100%);
  backdrop-filter: blur(10px) brightness(1.15);
  -webkit-backdrop-filter: blur(10px) brightness(1.15);
  box-shadow: 0 4px 18px rgba(20, 70, 100, 0.10), inset 0 1px 0 rgba(255, 255, 255, 0.45);
  z-index: 2;
  overflow: hidden;
  animation: none !important;
}

.scroll-indicator svg {
  position: relative;
  z-index: 2;
  stroke: rgba(255, 255, 255, 0.95);
  animation: scrollArrowTiny 1.8s ease-in-out infinite;
}

.scroll-text {
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.88);
  animation: none !important;
}

@media (prefers-reduced-motion: reduce) {

  .scroll-ripple-wrapper::before,
  .scroll-ripple-wrapper::after,
  .scroll-indicator svg {
    animation: none !important;
  }
}

/* --- REDESIGN STYLES --- */
.container-1440 {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 40px;
}

:root {
  --main-blue: #008BD2;
  --dark-blue: #123C5A;
  --light-blue: #EAF6FC;
  --bg-color: #FFFFFF;
  --bg-sub: #F7FBFD;
  --text-main: #17354A;
  --text-sub: #718391;
}

/* ===== MAP INTRO SECTION ===== */
.map-intro {
  background: #FFFFFF;
  padding: 0;
}

.map-intro-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 42px 5.5vw 36px;
  display: flex;
  align-items: center;
  gap: 0;
}

/* 왼쪽 타이틀 */
.map-intro-title {
  flex: 0 0 58%;
  padding-right: 48px;
}

.map-intro-eyebrow {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.map-intro-eyebrow-text {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.09em;
  color: #1597E5;
  white-space: nowrap;
}

.map-intro-eyebrow-line {
  display: block;
  width: 110px;
  height: 1px;
  background: rgba(20, 150, 230, 0.55);
  flex-shrink: 0;
}

.map-intro-heading {
  font-size: clamp(34px, 2.9vw, 42px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.045em;
  margin: 0 0 13px;
  white-space: nowrap;
}

.heading-navy {
  color: #0A2B47;
}

.heading-blue {
  color: #0E9CE0;
}

.map-intro-desc {
  font-size: 13.5px;
  line-height: 1.62;
  color: #657B8D;
  margin: 0;
  font-weight: 400;
  white-space: nowrap;
}

/* 오른쪽 CTA */
.map-intro-cta {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 20px;
}

@media (min-width: 1025px) {
  .map-intro-cta {
    padding-right: 4vw;
    margin-top: 14px;
  }
}

.map-cta-line {
  display: block;
  width: 130px;
  height: 1px;
  background: rgba(20, 150, 230, 0.42);
  flex-shrink: 0;
}

.map-cta-text {
  font-size: 15px;
  font-weight: 600;
  color: #0A2B47;
  letter-spacing: -0.015em;
  white-space: nowrap;
}

.map-cta-arrow {
  font-size: 20px;
  color: #1597E5;
  line-height: 1;
  flex-shrink: 0;
}

/* ===== MAP SECTION WRAPPER (border-radius + margin) ===== */
.map-section-wrapper {
  padding: 0 2.5vw;
  background: #FFFFFF;
}

/* SECTION 01: EXPLORE MAP */
.explore-map {
  width: 100%;
  background-color: var(--dark-blue);
  background-image:
    linear-gradient(90deg,
      rgba(5, 44, 72, 0.92) 0%,
      rgba(5, 44, 72, 0.70) 28%,
      rgba(5, 44, 72, 0.15) 50%,
      rgba(5, 44, 72, 0) 70%),
    url("img/map-saemangeum.png");
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
  color: white;
  border-radius: 20px 20px 0 0;
}

.map-layout {
  display: flex;
  align-items: center;
  min-height: 640px;
  position: relative;
  z-index: 2;
  padding-top: 80px;
  padding-bottom: 80px;
}

/* .map-text 스타일은 MAP INTRO로 이동됨 */
.map-graphic {
  flex: 0 0 65%;
  height: 100%;
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
}

.map-bg {
  position: absolute;
  inset: 0;
}

.selected-area-card {
  position: absolute;
  left: 28%;
  top: 48%;
  transform: translateY(-50%);
  width: 210px;
  min-width: 210px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.96);
  border-radius: 10px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.15);
  z-index: 5;
}

.card-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.card-no {
  font-family: Georgia, serif;
  font-size: 18px;
  color: var(--main-blue);
  font-style: italic;
}

.card-eng {
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--text-sub);
}

.selected-area-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
}

.selected-area-card p {
  margin: 0 0 24px;
  font-size: 13px;
  color: var(--text-sub);
}

.view-link {
  font-size: 12px;
  font-weight: 600;
  color: var(--main-blue);
  letter-spacing: 0.05em;
}

.map-point {
  position: absolute;
  min-width: 95px;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.95);
  border-radius: 999px;
  font-size: 12px;
  color: #17354a;
  font-weight: 600;
  white-space: nowrap;
  text-align: center;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  z-index: 10;
}

.map-point:hover,
.map-point:focus-visible {
  transform: translateY(-3px) scale(1.03);
  background: #ffffff;
  box-shadow: 0 8px 24px rgba(0, 74, 120, 0.20);
  color: var(--main-blue);
  outline: none;
}

.map-point.active {
  background: #008bd2;
  color: #ffffff;
}

.point-line {
  position: absolute;
  top: 100%;
  left: 50%;
  width: 1px;
  height: 14px;
  background: rgba(255, 255, 255, 0.75);
  transform: translateX(-50%);
  transform-origin: top center;
}

.point-dot {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  width: 6px;
  height: 6px;
  background: rgba(255, 255, 255, 0.75);
  border-radius: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.point-ring {
  position: absolute;
  width: 12px;
  height: 12px;
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 50%;
  opacity: 0;
  /* Animated by GSAP */
}

.map-point.active .point-dot {
  background: #00a8e8;
}

.map-point.active .point-line {
  background: rgba(0, 168, 232, 0.75);
}

.map-point.active .point-ring {
  border-color: #00a8e8;
}

.hero-right-panel {
  position: absolute;
  right: clamp(36px, 2.8vw, 45px);
  top: auto;
  bottom: 8px;
  width: clamp(520px, 38vw, 640px);
  height: 145px;
  border-radius: 20px;
  background: linear-gradient(135deg,
      rgba(225, 243, 250, 0.92) 0%,
      rgba(196, 224, 235, 0.88) 100%);
  backdrop-filter: blur(22px) saturate(115%);
  -webkit-backdrop-filter: blur(22px) saturate(115%);
  border: 1px solid rgba(255, 255, 255, 0.68);
  box-shadow: 0 8px 24px rgba(21, 91, 133, 0.08);
  z-index: 10;
  pointer-events: auto;
  display: flex;
  flex-direction: column;
}

.hero-right-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(226, 244, 252, 0.30);
  border-radius: inherit;
  pointer-events: none;
  z-index: -1;
}

/* Diffused radial halo removed — panel height now covers watermark */

.panel-inner {
  position: relative;
  z-index: 2;
  padding: 22px 30px;
  display: flex;
  flex-direction: row;
  align-items: center;
  height: 100%;
}

.right-dev-progress {
  width: 52%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.panel-divider-vertical {
  width: 1px;
  height: 65px;
  background: rgba(20, 82, 120, .15);
  margin: 0 28px;
}

.dev-header {
  display: flex;
  align-items: center;
  margin-bottom: 8px;
}

.dev-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #1597e5;
}

.dev-header-divider {
  width: 1px;
  height: 10px;
  background: rgba(11, 57, 88, .22);
  margin: 0 8px;
}

.dev-subtitle {
  font-size: 10px;
  font-weight: 500;
  color: rgba(13, 61, 95, .55);
}

.dev-percentage-group {
  display: flex;
  align-items: baseline;
}

#dev-progress-text {
  font-size: 48px;
  font-weight: 700;
  line-height: .95;
  letter-spacing: -.045em;
  color: #063c68;
}

.percent-symbol {
  font-size: 18px;
  font-weight: 600;
  color: #063c68;
  margin-left: 4px;
}

.dev-progress-container {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
}

.dev-progress-track {
  width: 75%;
  height: 2px;
  border-radius: 999px;
  background: rgba(35, 113, 155, .18);
  position: relative;
}

.dev-progress-active {
  position: absolute;
  left: 0;
  top: 0;
  height: 2px;
  border-radius: 999px;
  width: 0%;
  background: #159ee9;
}

.dev-progress-indicator {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #159ee9;
}

.dev-progress-status {
  font-size: 10px;
  font-weight: 500;
  color: rgba(13, 61, 95, .58);
  white-space: nowrap;
}

.right-key-data {
  width: 48%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.data-eyebrow {
  display: flex;
  align-items: center;
  margin-bottom: 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .02em;
  color: #0798E8;
}

.data-content {
  display: flex;
  flex-direction: column;
  will-change: opacity, transform;
}

.data-value-group {
  display: flex;
  align-items: baseline;
}

#key-data-val {
  font-size: 44px;
  font-weight: 700;
  line-height: .95;
  letter-spacing: -.04em;
  color: #063c68;
}

#key-data-unit {
  font-size: 15px;
  font-weight: 600;
  color: #0A4770;
  margin-left: 6px;
}

#key-data-label {
  font-size: 12px;
  font-weight: 600;
  color: rgba(7, 55, 88, 0.70);
  margin-top: 6px;
}

@media (max-width: 1024px) {
  .hero-right-info {
    right: 32px;
    width: 230px;
  }

  /* MAP INTRO 태블릿 */
  .map-intro-inner {
    padding: 40px 4vw 36px;
  }

  .map-intro-title {
    flex: 0 0 55%;
  }

  .map-intro-heading {
    font-size: clamp(28px, 3vw, 36px);
    white-space: normal;
  }

  .map-intro-desc {
    white-space: normal;
  }

  .map-cta-line {
    width: 80px;
  }

  .map-cta-text {
    font-size: 13px;
  }

  .map-section-wrapper {
    padding: 0 2vw;
  }
}

@media (max-width: 768px) {
  .hero-right-gradient {
    width: 100%;
    height: 45vh;
    top: auto;
    bottom: 0;
    background-image: linear-gradient(to top,
        rgba(3, 25, 43, 0.95) 0%,
        rgba(3, 25, 43, 0.65) 30%,
        rgba(3, 25, 43, 0) 100%);
  }

  .hero-right-info {
    right: 5vw;
    left: 5vw;
    width: auto;
    bottom: 40px;
    align-items: flex-start;
  }
}

/* --- SHOWCASE SECTION --- */
.showcase-section {
  position: relative;
  background: #ffffff;
  padding-top: 100px;
}

/* INTRO */
.showcase-intro {
  margin-bottom: 60px;
}

.showcase-eyebrow {
  display: block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: #008BD2;
  margin-bottom: 24px;
}

.showcase-title {
  font-size: clamp(48px, 5.5vw, 88px);
  font-weight: 800;
  letter-spacing: -0.055em;
  line-height: 1.08;
  color: #102f45;
  margin: 0 0 24px;
}

.showcase-sub {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.6;
  color: #536978;
  margin: 0;
}

/* SCROLL AREA & STICKY */
.showcase-scroll-area {
  height: 300vh;
  position: relative;
}

.showcase-sticky {
  position: sticky;
  top: 0;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* PANELS */
.showcase-panels {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  width: min(1280px, calc(100vw - 220px));
  height: 540px;
}

.showcase-panel {
  position: relative;
  flex: 1;
  height: 100%;
  border-radius: 20px;
  overflow: hidden;
  will-change: flex-grow;
}

.panel-image-wrapper {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.panel-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  will-change: transform;
}

.panel-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg,
      rgba(2, 26, 44, 0.62) 0%,
      rgba(2, 26, 44, 0.30) 28%,
      rgba(2, 26, 44, 0.08) 55%,
      rgba(2, 26, 44, 0.00) 78%),
    linear-gradient(0deg,
      rgba(2, 26, 44, 0.35) 0%,
      rgba(2, 26, 44, 0) 25%);
  pointer-events: none;
}

.panel-content {
  position: absolute;
  left: clamp(40px, 6vw, 80px);
  bottom: clamp(40px, 6vh, 70px);
  max-width: 600px;
  padding: 0;
  z-index: 2;
  color: white;
}

.panel-category {
  display: block;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 16px;
  white-space: nowrap;
}

.panel-details {
  will-change: opacity, transform;
}

.panel-title {
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1.2;
  margin: 0 0 16px;
  color: #fff;
  white-space: nowrap;
}

.panel-desc {
  font-size: 15px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.72);
  margin: 0 0 32px;
  white-space: nowrap;
}

.panel-cta {
  display: inline-flex;
  align-items: center;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  text-decoration: none;
  position: relative;
  padding-bottom: 4px;
}

.panel-cta::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: rgba(255, 255, 255, 0.4);
  transition: background-color 0.3s ease;
}

.panel-cta:hover::after {
  background-color: #fff;
}

.cta-arrow {
  margin-left: 8px;
  transition: transform 0.3s ease;
}

@media (hover: hover) and (pointer: fine) {
  .panel-cta:hover .cta-arrow {
    transform: translateX(4px);
  }
}

/* INDICATOR */
.showcase-indicator {
  position: absolute;
  right: max(40px, calc(50vw - 570px));
  bottom: max(40px, calc(50vh - 290px));
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: Georgia, serif;
  font-size: 11px;
  font-style: italic;
  color: #102f45;
  opacity: 0.45;
  z-index: 10;
  transition: opacity 0.3s ease;
}

.showcase-indicator:hover {
  opacity: 1;
}

.indicator-current {
  font-weight: 700;
}

.indicator-line {
  width: 40px;
  height: 1px;
  background-color: rgba(16, 47, 69, 0.4);
}

/* MOBILE FALLBACK */
@media (max-width: 768px) {
  .showcase-scroll-area {
    height: auto;
  }

  .showcase-sticky {
    position: relative;
    height: auto;
    display: block;
    padding-bottom: 80px;
  }

  .showcase-panels {
    width: calc(100% - 32px);
    height: auto;
    margin: 0 auto;
  }

  .showcase-panel {
    position: relative;
    height: 70vh;
    margin-bottom: 24px;
  }

  .panel-content {
    padding: 30px 24px;
  }

  .showcase-indicator {
    display: none;
  }
}

/* SECTION 04: NEWS & BANNER */
.news-banner-section {
  background: var(--bg-sub);
  padding: 80px 0;
}

.news-layout {
  display: flex;
  gap: 40px;
}

.news-col {
  flex: 0 0 55%;
}

.news-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 24px;
}

.news-head h2 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.2;
  margin: 0;
  color: var(--text-main);
}

.more-link {
  font-size: 13px;
  color: var(--text-sub);
  font-weight: 500;
  display: flex;
  align-items: center;
}

.more-link .more-arrow {
  display: inline-block;
  transition: transform 0.25s ease;
}

.more-link:hover {
  color: var(--main-blue);
}

.more-link:hover .more-arrow {
  transform: translateX(4px);
}

.news-list {
  display: flex;
  flex-direction: column;
}

.news-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 16px 0;
  position: relative;
  text-decoration: none;
}

.news-item::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: #e9eef2;
  transform-origin: left center;
  transform: scaleX(var(--divider-scale, 1));
}

.news-thumb {
  width: 120px;
  height: 80px;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
  position: relative;
}

.news-thumb-img {
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s ease;
}

.news-info {
  display: flex;
  flex-direction: column;
}

.news-cat {
  font-size: 11px;
  color: var(--main-blue);
  font-weight: 700;
  margin-bottom: 6px;
}

.news-info h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin: 0 0 8px;
  transition: color 0.25s ease;
}

.news-arrow {
  margin-left: auto;
  font-size: 18px;
  color: var(--main-blue);
  opacity: 0;
  transform: translateX(-5px);
  transition: all 0.25s ease;
}

@media (hover: hover) and (pointer: fine) {
  .news-item:hover .news-thumb-img {
    transform: scale(1.045);
  }

  .news-item:hover .news-info h4 {
    color: var(--main-blue);
  }

  .news-item:hover .news-arrow {
    opacity: 1;
    transform: translateX(0);
  }

  .news-item:hover .news-cat {
    opacity: 1;
  }
}

.news-cat {
  font-size: 11px;
  color: var(--main-blue);
  font-weight: 700;
  margin-bottom: 6px;
  opacity: 0.7;
  transition: opacity 0.25s ease;
}

line-height: 1.4;
}

.news-info time {
  font-size: 12px;
  color: var(--text-sub);
}

.banner-col {
  flex: 0 0 calc(45% - 40px);
}

.banner-card {
  height: 100%;
  min-height: 300px;
  border-radius: 16px;
  background-image:
    linear-gradient(90deg,
      rgba(7, 92, 142, 0.96) 0%,
      rgba(8, 125, 177, 0.72) 45%,
      rgba(8, 125, 177, 0.10) 75%),
    url("img/development-map.png");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  padding: 40px;
  display: flex;
  align-items: center;
  color: white;
}

.banner-content h2 {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 24px;
}

.btn-detail {
  display: inline-block;
  padding: 12px 24px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 30px;
  color: white;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.3s;
}

.btn-detail:hover {
  background: white;
  color: #075c8e;
}

/* SECTION 05: FOOTER */
.site-footer {
  background: white;
  padding: 50px 0 30px;
  position: relative;
  overflow: hidden;
  border-top: 1px solid #e9eef2;
}

.footer-layout {
  position: relative;
  z-index: 2;
}

.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 30px;
}

.footer-logo {
  font-size: 18px;
  font-weight: 700;
  color: var(--dark-blue);
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.footer-logo span {
  font-size: 11px;
  color: var(--text-sub);
}

.footer-links {
  display: flex;
  gap: 24px;
  font-size: 13px;
  color: var(--text-main);
}

.footer-links a:hover {
  color: var(--main-blue);
}

.footer-links .bold {
  font-weight: 700;
}

.footer-sns {
  display: flex;
  gap: 12px;
}

.footer-sns a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-sub);
  color: var(--text-sub);
  transition: all 0.2s;
}

.footer-sns a:hover {
  background: var(--main-blue);
  color: white;
}

.footer-bottom {
  text-align: center;
  border-top: 1px solid #f0f4f7;
  padding-top: 24px;
}

.footer-bottom p {
  font-size: 11px;
  color: #93a0aa;
  margin: 0;
  letter-spacing: 0.05em;
}

.footer-wave {
  position: absolute;
  bottom: -20px;
  right: -50px;
  width: 400px;
  height: 150px;
  background: radial-gradient(ellipse at center, rgba(234, 246, 252, 0.6) 0%, transparent 70%);
  z-index: 1;
  pointer-events: none;
}

.loader {
  position: fixed;
  z-index: 100;
  inset: 0;
  background: #f2f9ff;
  display: grid;
  place-content: center;
  text-align: center;
  transition:
    opacity 0.6s,
    visibility 0.6s;
  color: #1e5885;
}

.loader>div {
  display: flex;
  align-items: baseline;
  justify-content: center;
}

.loader strong {
  font-family: Georgia, serif;
  font-size: 70px;
  font-weight: 400;
}

.loader span {
  font-size: 14px;
}

.loader p {
  font-size: 10px;
  letter-spacing: 0.15em;
}

.loader.done {
  opacity: 0;
  visibility: hidden;
}

@media (max-width: 1199px) {
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px 0;
  }

  .stat-item::after {
    display: none !important;
  }

  .stat-item:not(:nth-child(3n))::after {
    display: block !important;
  }
}

@media (max-width: 760px) {
  .site-header nav {
    display: none;
  }

  .scrub-section {
    height: 500vh;
  }

  .hero-copy {
    left: 6vw;
    right: 6vw;
  }

  .hero-copy h1 {
    font-size: 54px;
  }

  /* MAP INTRO 모바일 */
  .map-intro-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 32px 6vw 32px;
    gap: 24px;
  }

  .map-intro-title {
    flex: none;
    width: 100%;
    padding-right: 0;
  }

  .map-intro-heading {
    font-size: 30px;
    white-space: normal;
  }

  .map-intro-desc {
    white-space: normal;
  }

  .map-intro-cta {
    justify-content: flex-start;
    gap: 14px;
  }

  .map-cta-line {
    width: 60px;
  }

  .map-cta-text {
    font-size: 13.5px;
    white-space: normal;
  }

  .map-section-wrapper {
    padding: 0 3vw;
  }

  .explore-map {
    border-radius: 14px 14px 0 0;
  }

  /* Redesign Responsive */
  .map-layout {
    flex-direction: column;
    padding-top: 40px;
    padding-bottom: 300px;
  }

  .map-graphic {
    height: 320px;
    top: auto;
    bottom: 0;
    width: 100%;
  }

  .map-point {
    font-size: 11px;
    padding: 6px 10px;
    min-width: 80px;
  }

  .selected-area-card {
    display: none;
    /* Simplify on mobile */
  }

  .hero-stats-overlay {
    bottom: 20px;
    width: calc(100% - 32px);
  }

  .hero-stats-panel {
    padding: 24px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px 16px;
  }

  .stat-item::after {
    display: none !important;
  }

  .stat-item:not(:nth-child(2n))::after {
    display: block !important;
  }

  .cards-grid {
    flex-direction: column;
  }

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

  .footer-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }

  .footer-links {
    flex-wrap: wrap;
    gap: 16px;
  }
}

/* =========================================
   DEVELOPMENT PAGE STYLES
   ========================================= */

.development-page main {
  background-color: #f7fbff;
}

.development-page .container-1440 {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 4vw;
}

/* 1. HERO */
.development-hero {
  height: 220vh;
}
.dev-hero-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.dev-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}
.dev-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform-origin: center;
}
.dev-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.6) 100%);
  z-index: 2;
}
.dev-hero-content {
  position: relative;
  z-index: 3;
  color: #fff;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}
.dev-hero-title {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 900;
  letter-spacing: 0.1em;
  opacity: 0;
  transform: translateY(30px);
}
.dev-hero-sub1 {
  font-size: clamp(1.2rem, 2.5vw, 2rem);
  font-weight: 500;
  margin-top: 2vh;
  opacity: 0;
  transform: translateY(20px);
}
.dev-hero-sub2 {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 800;
  margin-top: 1vh;
  opacity: 0;
  transform: translateY(20px);
}
.dev-hero-desc {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  font-weight: 400;
  line-height: 1.6;
  margin-top: 4vh;
  opacity: 0;
  transform: translateY(20px);
}

/* 2. VISION */
.development-vision {
  height: 300vh;
  background-color: #fff;
}
.dev-vision-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.dev-vision-left {
  width: 40%;
}
.dev-vision-left h2 {
  font-size: 24px;
  color: #062B4D;
  margin-bottom: 16px;
  font-weight: 800;
}
.dev-vision-left p {
  font-size: clamp(2rem, 3.5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.3;
  color: #10253f;
}
.dev-vision-right {
  width: 50%;
  display: flex;
  flex-direction: column;
  gap: 60px;
}
.vision-item {
  opacity: 0.25;
  transition: all 0.5s ease;
  transform: translateY(20px);
}
.vision-item h3 {
  font-size: 2rem;
  font-weight: 700;
  color: #062B4D;
  margin-bottom: 12px;
}
.vision-item p {
  font-size: 1.25rem;
  color: #555;
}

/* 3. KEY AREAS */
.development-areas {
  height: 600vh;
  background-color: #f7fbff;
}
.dev-areas-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.dev-areas-left {
  width: 30%;
}
.areas-title {
  font-size: 2rem;
  font-weight: 800;
  color: #062B4D;
  line-height: 1.3;
  margin-bottom: 60px;
}
.areas-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.area-nav {
  font-size: 1.5rem;
  font-weight: 600;
  color: rgba(6, 43, 77, 0.45);
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 10px 20px;
  border-radius: 8px;
  width: max-content;
}
.area-nav.active {
  color: #fff;
  background-color: #062B4D;
}
.dev-areas-right {
  width: 65%;
  height: 70vh;
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}
.area-images {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.area-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.035);
  will-change: transform, opacity;
}
.area-texts {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 60px;
  background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0) 100%);
  color: #fff;
}
.area-text {
  position: absolute;
  bottom: 60px;
  left: 60px;
  right: 60px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px);
}
.area-num {
  font-size: 1.25rem;
  font-weight: 700;
  color: #64B5F6;
  margin-bottom: 8px;
  display: block;
}
.area-name {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 16px;
}
.area-sub {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: 12px;
  color: #E3F2FD;
}
.area-desc {
  font-size: 1rem;
  line-height: 1.6;
  color: rgba(255,255,255,0.8);
}

/* 4 & 5. DEVELOPMENT MAP & DATA SCROLL SCENE */
.development-map-data {
  position: relative;
  height: 350vh;
}
.development-map-data-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  background-color: #ffffff;
  will-change: background-color;
}
.map-stage {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  transform: translateY(-50%);
  will-change: transform, opacity;
}
.map-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: 800;
  color: #062B4D;
  margin-bottom: 56px;
}
.map-container {
  position: relative;
  width: min(72vw, 1180px);
  margin: 0 auto;
  display: block;
}
.map-bg {
  width: 100%;
  height: auto;
  border-radius: 16px;
  display: block;
}
.map-labels {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  width: max-content;
  z-index: 5;
}
.map-label {
  position: relative;
  background: rgba(255,255,255,0.9);
  padding: 8px 16px;
  border-radius: 20px;
  font-weight: 700;
  color: #062B4D;
  font-size: 0.9rem;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  opacity: 0;
  transform: scale(0.92);
  will-change: transform, opacity;
}

.data-stage {
  position: absolute;
  bottom: 12vh;
  left: 0;
  width: 100%;
  opacity: 0;
  transform: translateY(20px);
  will-change: transform, opacity;
  pointer-events: none;
}
.data-content-wrap {
  width: min(72vw, 1180px);
  margin: 0 auto;
}
.data-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 40px;
  text-align: left;
  padding-left: 0;
  color: #ffffff;
}
.data-list {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  width: 100%;
  margin: 0;
  gap: 0;
}
.data-item {
  border-right: 1px solid rgba(255,255,255,0.16);
  padding-left: 20px;
  opacity: 0.35;
  transform: scale(0.98);
  will-change: transform, opacity;
}
.data-item:first-child {
  padding-left: 0;
}
.data-item:last-child {
  border-right: none;
}
.data-num {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: rgba(255,255,255,0.45);
  transition: color 0.3s ease;
}
.data-num .unit {
  font-size: 1.1rem;
  font-weight: 600;
  margin-left: 4px;
}
.data-label {
  font-size: 1rem;
  font-weight: 500;
  color: rgba(255,255,255,0.65);
}

/* 6. DEVELOPMENT PROCESS */
.development-process {
  height: 320vh;
  background-color: #f7fbff;
}
.dev-process-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.process-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: #062B4D;
  margin-bottom: 120px;
  text-align: center;
}
.process-timeline-wrap {
  position: relative;
  width: 100%;
  height: 100px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.process-line-bg {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: #e0e0e0;
  transform: translateY(-50%);
  z-index: 1;
}
.process-line-active {
  position: absolute;
  top: 50%;
  left: 0;
  width: 0%;
  height: 4px;
  background-color: #062B4D;
  transform: translateY(-50%);
  z-index: 2;
  transform-origin: left;
}
.process-node {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  opacity: 0.3;
}
.node-circle {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: #e0e0e0;
  border: 4px solid #f7fbff;
  transition: all 0.3s ease;
}
.process-node.passed .node-circle {
  background-color: #062B4D;
}
.process-node.active .node-circle {
  background-color: #64B5F6;
  box-shadow: 0 0 0 6px rgba(100, 181, 246, 0.2);
}
.process-node.passed, .process-node.active {
  opacity: 1;
}
.node-text h4 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #062B4D;
  white-space: nowrap;
}

/* 7. ENDING CTA */
.development-cta {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.cta-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.05);
  z-index: 1;
}
.cta-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(6, 43, 77, 0.7);
  z-index: 2;
}
.cta-content {
  position: relative;
  z-index: 3;
  color: #fff;
  text-align: center;
  opacity: 0;
  transform: translateY(30px);
}
.cta-content h2 {
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}
.cta-content p {
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 40px;
  line-height: 1.5;
}
.cta-btns {
  display: flex;
  gap: 20px;
  justify-content: center;
}
.cta-btns a {
  padding: 16px 40px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 1.1rem;
  transition: all 0.3s ease;
}
.btn-primary {
  background-color: #fff;
  color: #062B4D;
}
.btn-primary:hover {
  background-color: #f0f0f0;
  transform: translateY(-2px);
}
.btn-secondary {
  background-color: transparent;
  color: #fff;
  border: 1px solid #fff;
}
.btn-secondary:hover {
  background-color: rgba(255,255,255,0.1);
  transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 1024px) {
  .dev-vision-sticky, .dev-areas-sticky {
    flex-direction: column;
    justify-content: center;
    gap: 40px;
  }
  .dev-vision-left, .dev-vision-right, .dev-areas-left, .dev-areas-right {
    width: 100%;
  }
  .areas-list {
    flex-direction: row;
    overflow-x: auto;
    gap: 12px;
    padding-bottom: 10px;
  }
  .area-nav {
    font-size: 1rem;
    padding: 8px 16px;
    white-space: nowrap;
  }
  .dev-areas-right {
    height: 50vh;
  }
  .data-list {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-title {
    margin-bottom: 60px;
  }
  .process-timeline-wrap {
    flex-direction: column;
    height: auto;
    gap: 40px;
    align-items: flex-start;
  }
  .process-line-bg {
    width: 4px;
    height: 100%;
    left: 10px;
    top: 0;
    transform: none;
  }
  .process-line-active {
    width: 4px;
    height: 0%;
    left: 10px;
    top: 0;
    transform: none;
    transform-origin: top;
  }
  .process-node {
    flex-direction: row;
  }
}

@media (max-width: 768px) {
  .development-map-data {
    height: auto;
    padding: 80px 0;
  }
  .development-map-data-sticky {
    position: relative;
    height: auto;
    background-color: transparent !important;
  }
  .map-stage, .data-stage {
    position: relative;
    top: auto;
    bottom: auto;
    transform: none !important;
    opacity: 1 !important;
    pointer-events: auto;
  }
  .data-title {
    padding-left: 0;
  }
  .dev-hero-bg, .dev-hero-overlay {
    position: absolute;
  }
  .dev-hero-sticky {
    padding: 100px 0;
  }
  .development-hero {
    height: 100vh;
  }
  .area-texts {
    padding: 30px;
  }
  .area-text {
    bottom: 30px;
    left: 30px;
    right: 30px;
  }
  .area-name {
    font-size: 1.5rem;
  }
  .data-list {
    grid-template-columns: 1fr;
    width: 100%;
    gap: 40px;
  }
  .data-item {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid rgba(255,255,255,0.2);
    padding-top: 20px;
    opacity: 1 !important;
    transform: none !important;
  }
  .data-item:first-child {
    border-top: none;
    padding-top: 0;
  }
}

/* ==========================================================
   ABOUT PAGE STYLES (.about-page)
   ========================================================== */

/* 1. HERO */
.about-hero-section {
  position: relative;
  height: 240vh;
}
.about-hero-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  background-color: #000;
}
.about-hero-bg {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: url('img/news-01.png') center/cover no-repeat; /* Used a generic large image */
  will-change: transform;
}
.about-hero-bg::after {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.3);
}
.about-hero-content {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: #fff;
  z-index: 2;
  padding-left: 10vw;
}
.about-hero-title {
  font-size: 5rem;
  font-weight: 800;
  line-height: 1.2;
}
.hero-title-en {
  display: block;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  margin-bottom: 24px;
  color: rgba(255,255,255,0.8);
  opacity: 0;
  transform: translateY(20px);
}
.hero-title-ko {
  display: block;
  opacity: 0;
  transform: translateY(30px);
}
.about-hero-sub {
  margin-top: 40px;
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1.6;
  opacity: 0;
  transform: translateY(20px);
}

/* 2. WHAT IS SAEMANGEUM */
.about-what-section {
  position: relative;
  height: 300vh;
  background: #ffffff;
}
.about-what-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.about-what-layout {
  display: flex;
  width: 100%;
  justify-content: space-between;
  align-items: center;
}
.about-what-text {
  width: 40%;
}
.about-what-text .section-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #062B4D;
  margin-bottom: 40px;
}
.about-what-text .section-title span {
  display: block;
  font-size: 3rem;
  font-weight: 800;
  margin-top: 16px;
  line-height: 1.3;
}
.about-what-body {
  font-size: 1.15rem;
  line-height: 1.8;
  color: #444;
  margin-bottom: 60px;
}
.about-what-body p {
  margin-bottom: 20px;
}
.about-what-facts {
  display: flex;
  gap: 40px;
  border-top: 1px solid #eee;
  padding-top: 40px;
}
.fact-item {
  display: flex;
  flex-direction: column;
}
.fact-num {
  font-size: 2rem;
  font-weight: 800;
  color: #062B4D;
  margin-bottom: 8px;
}
.fact-label {
  font-size: 0.95rem;
  font-weight: 500;
  color: #666;
}
.about-what-visual {
  width: 50%;
  position: relative;
}
.what-map-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 100%;
}
.what-map-img {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  object-fit: contain;
  opacity: 0.2;
}
.what-map-overlay {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  opacity: 0;
  will-change: opacity;
}
.area-all { background-image: url('img/development-map.png'); }
.area-cities { background-image: url('img/development-map.png'); filter: hue-rotate(90deg); }
.area-dev { background-image: url('img/development-map.png'); filter: brightness(1.2); }

/* 3. WHY SAEMANGEUM */
.about-why-section {
  position: relative;
  height: 320vh;
  background: #000;
  color: #fff;
}
.about-why-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.about-why-bg-wrap {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
}
.why-bg {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 0.5s ease;
}
.why-bg-1 { background-image: url('img/2.jfif'); opacity: 1; }
.why-bg-2 { background-image: url('img/3.png'); }
.why-bg-3 { background-image: url('img/4.jfif'); }
.why-bg-overlay {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.6);
}
.about-why-content {
  position: relative;
  z-index: 2;
  width: 100%;
}
.section-title.center {
  text-align: center;
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 80px;
}
.section-title.center span {
  display: block;
  font-size: 3.5rem;
  font-weight: 800;
  margin-top: 16px;
}
.section-title.white {
  color: #fff;
}
.why-list {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid rgba(255,255,255,0.2);
}
.why-item {
  width: 30%;
  padding-top: 40px;
  opacity: 0.3;
  transition: all 0.4s ease;
  border-top: 3px solid transparent;
  margin-top: -2px;
}
.why-num {
  font-size: 1.5rem;
  font-weight: 700;
  color: #a3d1ff;
  display: block;
  margin-bottom: 24px;
}
.why-text {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.4;
}
.why-item.active {
  opacity: 1;
  border-color: #a3d1ff;
}

/* 4. THE SCALE */
.about-scale-section {
  position: relative;
  height: 200vh;
  background: #f8f9fa;
}
.about-scale-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.scale-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}
.scale-header {
  text-align: center;
  margin-bottom: 60px;
}
.scale-hero-num {
  font-size: 8rem;
  font-weight: 900;
  color: #062B4D;
  line-height: 1;
  margin: 20px 0;
}
.scale-subtitle {
  font-size: 1.5rem;
  color: #666;
}
.scale-visual {
  position: relative;
  height: 400px;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 80px;
}
.scale-shape {
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: 0;
  transform: translateY(40px);
}
.seoul-shape .shape-circle {
  width: 300px; height: 300px;
  background: rgba(6, 43, 77, 0.1);
  border-radius: 50%;
  border: 2px dashed #062B4D;
}
.saemangeum-shape .shape-circle {
  width: 200px; height: 200px;
  background: #062B4D;
  border-radius: 50%;
}
.shape-info {
  margin-top: 24px;
  text-align: center;
}
.shape-name {
  display: block;
  font-size: 1.25rem;
  font-weight: 700;
  color: #333;
}
.shape-size {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: #062B4D;
}
.scale-conclusion {
  margin-top: 60px;
  text-align: center;
  font-size: 1.5rem;
  opacity: 0;
}
.scale-conclusion strong {
  font-size: 2.5rem;
  color: #062B4D;
}

/* 5. TIMELINE */
.about-timeline-section {
  position: relative;
  height: 360vh;
  background: #062B4D;
}
.about-timeline-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.timeline-layout {
  width: 100%;
}
.timeline-layout .section-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 24px;
}
.timeline-layout .section-title span {
  display: block;
  font-size: 3.5rem;
  font-weight: 800;
  margin-top: 16px;
  line-height: 1.2;
}
.timeline-sub {
  font-size: 1.5rem;
  line-height: 1.6;
  opacity: 0.8;
  margin-bottom: 120px;
}
.timeline-track-wrap {
  position: relative;
  width: 100%;
  height: 4px;
  margin-top: 80px;
}
.timeline-line-bg {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(255,255,255,0.2);
}
.timeline-line-active {
  position: absolute;
  top: 0; left: 0; width: 0%; height: 100%;
  background: #fff;
}
.timeline-nodes {
  position: absolute;
  top: -8px; left: 0; width: 100%;
  display: flex;
  justify-content: space-between;
}
.timeline-node {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 120px;
  margin-left: -60px;
  opacity: 0.3;
  transition: all 0.3s ease;
}
.timeline-node:first-child { margin-left: 0; align-items: flex-start; }
.timeline-node:last-child { margin-left: -120px; align-items: flex-end; }
.node-circle {
  width: 20px; height: 20px;
  background: #062B4D;
  border: 4px solid rgba(255,255,255,0.5);
  border-radius: 50%;
  margin-bottom: 24px;
  transition: all 0.3s ease;
}
.node-info {
  text-align: center;
}
.timeline-node:first-child .node-info { text-align: left; }
.timeline-node:last-child .node-info { text-align: right; }
.node-year {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 8px;
}
.node-desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.8);
}
.timeline-node.active {
  opacity: 1;
}
.timeline-node.active .node-circle {
  background: #fff;
  border-color: #fff;
  box-shadow: 0 0 20px rgba(255,255,255,0.5);
}

/* 6. VISION */
.about-vision-section {
  position: relative;
  height: 320vh;
  background: #000;
}
.about-vision-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.vision-bg-wrap {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
}
.vision-bg {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 0.5s ease;
}
.vision-bg-1 { background-image: url('img/2.jfif'); opacity: 1; }
.vision-bg-2 { background-image: url('img/3.png'); }
.vision-bg-3 { background-image: url('img/1.png'); }
.vision-bg-4 { background-image: url('img/4.jfif'); }
.vision-bg-overlay {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.5);
}
.vision-layout {
  position: relative;
  z-index: 2;
  width: 100%;
}
.vision-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 60px;
}
.vision-item {
  display: flex;
  align-items: center;
  padding: 30px 0;
  border-bottom: 1px solid rgba(255,255,255,0.2);
  opacity: 0.35;
  transition: all 0.4s ease;
}
.vision-indicator {
  width: 0; height: 4px;
  background: #a3d1ff;
  margin-right: 40px;
  transition: width 0.4s ease;
}
.vision-text-wrap {
  display: flex;
  align-items: baseline;
  gap: 40px;
}
.vision-cat {
  font-size: 3rem;
  font-weight: 800;
  color: #fff;
}
.vision-en {
  font-size: 1.5rem;
  font-weight: 600;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.05em;
}
.vision-item.active {
  opacity: 1;
}
.vision-item.active .vision-indicator {
  width: 60px;
}
.vision-item.active .vision-en {
  color: #fff;
}

/* 7. ENDING CTA */
.about-cta-section {
  position: relative;
  height: 100vh;
}
.about-cta-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cta-bg {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: url('img/3.png') center/cover no-repeat;
  transform: scale(1.04);
  will-change: transform;
}
.cta-overlay {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(6, 43, 77, 0.7);
}
.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
}
.cta-title {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 24px;
  opacity: 0;
  transform: translateY(24px);
  will-change: transform, opacity;
}
.cta-sub {
  font-size: 1.2rem;
  letter-spacing: 0.1em;
  opacity: 0.8;
  margin-bottom: 60px;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  opacity: 0;
  will-change: opacity;
}
.cta-buttons .btn-primary {
  display: inline-block;
  padding: 16px 40px;
  background: #fff;
  color: #062B4D;
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: 40px;
  text-decoration: none;
  transition: all 0.3s ease;
}
.cta-buttons .btn-primary:hover {
  background: #f0f0f0;
  transform: translateY(-2px);
}
.cta-buttons .btn-secondary {
  display: inline-block;
  padding: 16px 40px;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.5);
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: 40px;
  text-decoration: none;
  transition: all 0.3s ease;
}
.cta-buttons .btn-secondary:hover {
  background: rgba(255,255,255,0.1);
}

@media (max-width: 768px) {
  .about-hero-section, .about-what-section, .about-why-section, .about-scale-section, .about-timeline-section, .about-vision-section {
    height: auto;
  }
  .about-hero-sticky, .about-what-sticky, .about-why-sticky, .about-scale-sticky, .about-timeline-sticky, .about-vision-sticky {
    position: relative;
    height: auto;
    padding: 80px 0;
  }
  .about-what-layout {
    flex-direction: column;
  }
  .about-what-text, .about-what-visual {
    width: 100%;
  }
  .why-list {
    flex-direction: column;
    gap: 40px;
  }
  .why-item {
    width: 100%;
    opacity: 1;
  }
  .scale-visual {
    flex-direction: column;
    height: auto;
    gap: 40px;
  }
  .timeline-track-wrap {
    display: none;
  }
  .vision-list {
    gap: 20px;
  }
  .vision-item {
    opacity: 1;
  }
  .about-hero-title {
    font-size: 3rem;
  }
  .cta-title {
    font-size: 2.5rem;
  }
  .cta-buttons {
    flex-direction: column;
  }
}