:root {
  --navy: #071a36;
  --navy-2: #12365e;
  --blue: #1b68d4;
  --cyan: #43b5d9;
  --coral: #e36f55;
  --ink: #172237;
  --muted: #647187;
  --paper: #f3f7fb;
  --line: rgba(23, 34, 55, 0.12);
  --shadow: 0 22px 60px rgba(7, 26, 54, 0.14);
  font-family: "Pretendard", "Noto Sans KR", "Malgun Gothic", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
}

body,
button {
  font-family: inherit;
}

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

.en {
  font-family: "Google Sans Flex", sans-serif;
  font-optical-sizing: auto;
}

button {
  border: 0;
}

.reading-progress {
  position: fixed;
  top: 71px;
  right: 0;
  left: 0;
  z-index: 100;
  height: 2px;
  background: transparent;
}

.reading-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--blue), var(--cyan), var(--coral));
}

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 72px;
  padding: 0 max(4vw, 28px);
  color: #344158;
  border-bottom: 1px solid rgba(23, 34, 55, 0.1);
  background: rgba(248, 251, 254, 0.88);
  backdrop-filter: blur(20px) saturate(135%);
  transition:
    color 360ms ease,
    border-color 360ms ease,
    background 360ms ease;
}

.topbar.is-dark-context {
  color: rgba(255, 255, 255, 0.82);
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(7, 26, 54, 0.5);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: inherit;
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
}

.brand span {
  display: flex;
  align-items: center;
  gap: 14px;
  white-space: nowrap;
}

.brand span::before {
  width: 1px;
  height: 18px;
  background: currentColor;
  content: "";
  opacity: 0.22;
}

.brand img {
  width: 120px;
  object-fit: contain;
  transition: opacity 180ms ease;
}

.section-tabs {
  display: flex;
  align-items: center;
  align-self: stretch;
  gap: clamp(12px, 1.6vw, 26px);
}

.section-tabs a {
  position: relative;
  display: flex;
  align-items: center;
  padding: 2px 0 0;
  color: inherit;
  font-size: 14px;
  font-weight: 600;
  opacity: 0.56;
  transition: color 220ms ease, opacity 220ms ease;
  padding-bottom: 5px;
}

.section-tabs a::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: var(--blue);
  content: "";
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 240ms ease;
}

.topbar.is-dark-context .section-tabs a::after {
  background: var(--cyan);
}

.section-tabs a:hover {
  opacity: 0.82;
}

.section-tabs a.is-active {
  opacity: 1;
}

.section-tabs a.is-active::after {
  transform: scaleX(1);
}

.side-nav {
  position: fixed;
  right: 24px;
  top: 50%;
  z-index: 80;
  display: grid;
  justify-items: end;
  gap: 13px;
  transform: translateY(-50%);
}

.side-nav a {
  width: 16px;
  height: 2px;
  background: rgba(100, 113, 135, 0.34);
  transition: width 220ms ease, background 220ms ease;
}

.side-nav a.is-active {
  width: 34px;
  background: var(--cyan);
}

.chapter {
  position: relative;
  display: grid;
  min-height: 100svh;
  padding: 116px max(7vw, 46px) 56px;
  overflow: hidden;
}

.chapter::before {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(27, 104, 212, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27, 104, 212, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  content: "";
  pointer-events: none;
}

.chapter-heading {
  max-width: 760px;
}

.category {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 16px;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

h1,
h2,
h3 {
  margin: 0;
  word-break: keep-all;
}

h1 {
  font-size: clamp(40px, 5.6vw, 68px);
  line-height: 1.08;
}

h2 {
  font-size: clamp(30px, 3.7vw, 48px);
  line-height: 1.18;
}

h3 {
  font-size: 20px;
}

.chapter-heading > p:last-child {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.65;
}

.light-heading,
.light-heading > p:last-child {
  color: #fff;
}

.light-heading .category {
  color: var(--cyan);
}

.light-heading > p:last-child {
  color: rgba(255, 255, 255, 0.68);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 650ms ease, transform 650ms ease;
}

.image-placeholder,
.media-placeholder {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 10px;
  min-height: 240px;
  border: 1px dashed rgba(27, 104, 212, 0.35);
  border-radius: 8px;
  color: var(--blue);
  background:
    url(img/section02_img01.jpg) no-repeat center / cover;
  text-align: center;
}

.image-placeholder i,
.media-placeholder i {
  font-size: 34px;
}

.image-placeholder b,
.media-placeholder b {
  font-size: 16px;
}

.image-placeholder span,
.media-placeholder span {
  max-width: 340px;
  color: var(--muted);
  font-size: 13px;
}

.dark-placeholder {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.34);
  background: #0c2850;
}

.dark-placeholder span {
  color: rgba(255, 255, 255, 0.62);
}

/* Intro */
.intro {
  isolation: isolate;
  align-items: end;
  color: #fff;
  background: #0b2b4d;
}

.intro-particle-scene {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background:
    linear-gradient(rgba(92, 190, 220, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(92, 190, 220, 0.07) 1px, transparent 1px),
    #0b2b4d;
  background-size: 56px 56px;
  transition: opacity 280ms ease;
  will-change: transform, opacity;
}

.intro-particle-canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: pan-y;
  cursor: pointer;
}

.intro-particle-fallback {
  position: absolute;
  top: 50%;
  right: max(7vw, 46px);
  width: min(38vw, 520px);
  opacity: 0.3;
  filter: drop-shadow(0 24px 46px rgba(0, 0, 0, 0.24));
  transform: translateY(-50%);
  transition: opacity 500ms ease;
}

.intro-particle-fallback img {
  display: block;
  width: 100%;
}

.intro-particle-scene.is-ready .intro-particle-fallback {
  opacity: 0;
}

.intro-shade {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(7, 27, 52, 0.88) 0%, rgba(7, 27, 52, 0.5) 39%, rgba(7, 27, 52, 0.02) 69%),
    linear-gradient(0deg, rgba(7, 27, 52, 0.28), transparent 48%);
  pointer-events: none;
}

.intro-copy {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.intro-copy::before {
  display: block;
  width: 42px;
  height: 2px;
  margin-bottom: 22px;
  background: var(--cyan);
  content: "";
}

.intro-copy .category {
  color: var(--cyan);
}

.intro-copy .subtitle {
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.74);
  font-size: 19px;
}

.presenter {
  display: flex;
  gap: 18px;
  margin-top: 34px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.24);
  font-size: 14px;
}

.scroll-guide {
  position: absolute;
  right: max(7vw, 46px);
  bottom: 58px;
  z-index: 2;
  display: grid;
  justify-items: center;
  gap: 8px;
  font-size: 10px;
  font-weight: 900;
}

.scroll-guide span {
  width: 1px;
  height: 46px;
  background: rgba(255, 255, 255, 0.5);
}

@media (max-width: 820px) {
  .intro-particle-fallback {
    top: 34%;
    right: 20px;
    width: 260px;
    opacity: 0.22;
  }
}

/* PHR */
.phr-section {
  align-content: center;
  gap: 34px;
  background: linear-gradient(135deg, #edf6fc, #fff 52%, #e3eef9);
}

.phr-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.8fr) minmax(560px, 1.2fr);
  gap: clamp(30px, 5vw, 80px);
  align-items: center;
}

.phr-copy {
  display: grid;
  gap: 14px;
}

.info-block {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 15px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.7);
  box-shadow: 0 16px 38px rgba(7, 26, 54, 0.08);
  backdrop-filter: blur(12px);
}

.info-block p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.icon-box {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 8px;
  color: #fff;
  background: linear-gradient(135deg, var(--navy-2), var(--blue));
}

.compact-list {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  color: #536179;
  font-size: 14px;
  font-weight: 700;
}

.compact-list li {
  display: flex;
  align-items: center;
  gap: 9px;
}

.compact-list i {
  width: 18px;
  color: var(--blue);
  text-align: center;
}

.phr-visual {
  position: relative;
  min-height: 570px;
}

.phr-image {
  position: absolute;
  inset: 2% 2% 10% 8%;
  overflow: hidden;
}

.phr-image::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 28%, rgba(7, 26, 54, 0.76) 100%);
  content: "";
  pointer-events: none;
}

.phr-carousel {
  position: absolute;
  inset: 0 0 3% 2%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 26px;
  touch-action: pan-y;
  user-select: none;
}

.phr-slides {
  position: relative;
  width: min(520px, 82%);
  min-height: 210px;
}

.phr-slide {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 18px;
  align-items: start;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 8px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  opacity: 0;
  pointer-events: none;
  transform: translateX(42px);
  transition: opacity 420ms ease, transform 520ms cubic-bezier(0.22, 1, 0.36, 1);
}

.phr-slide.is-active {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
}

.phr-slide.is-before {
  transform: translateX(-42px);
}

.phr-slide-icon {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  border-radius: 8px;
  color: #fff;
  background: linear-gradient(135deg, var(--navy-2), var(--blue));
  font-size: 23px;
}

.phr-slide-copy > span {
  color: var(--blue);
  font-size: 10px;
  font-weight: 900;
  text-transform: uppercase;
}

.phr-slide-copy h3 {
  margin-top: 8px;
  font-size: clamp(20px, 2vw, 27px);
}

.phr-slide-copy p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.phr-carousel-footer {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-top: 18px;
}

.phr-stepper {
  display: grid;
  flex: 1;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  max-width: 520px;
}

.phr-step {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 13px 8px 4px 0;
  color: rgba(255, 255, 255, 0.58);
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.phr-step::before,
.phr-step::after {
  position: absolute;
  top: 0;
  left: 0;
  height: 2px;
  content: "";
}

.phr-step::before {
  right: 8px;
  background: rgba(255, 255, 255, 0.24);
}

.phr-step::after {
  width: 0;
  background: var(--cyan);
  transition: width 380ms ease;
}

.phr-step.is-past::after,
.phr-step.is-active::after {
  width: calc(100% - 8px);
}

.phr-step span {
  font-size: 9px;
  font-weight: 900;
}

.phr-step b {
  overflow: hidden;
  font-size: 11px;
  text-overflow: ellipsis;
}

.phr-step.is-active {
  color: #fff;
}

.phr-arrows {
  display: flex;
  gap: 8px;
}

.phr-arrows button {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 6px;
  color: #fff;
  background: rgba(7, 26, 54, 0.72);
  cursor: pointer;
  transition: background 180ms ease, border-color 180ms ease;
}

.phr-arrows button:hover {
  border-color: var(--cyan);
  background: var(--blue);
}

/* Process */
.process-section {
  min-height: 100svh;
  height: auto;
  padding: 0;
  color: #fff;
  background: var(--navy);
}

.process-section::before {
  background-image:
    linear-gradient(rgba(67, 181, 217, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(67, 181, 217, 0.07) 1px, transparent 1px);
}

.process-sticky {
  position: relative;
  top: 0;
  display: grid;
  align-content: center;
  min-height: 100svh;
  padding: 108px max(7vw, 46px) 48px;
  overflow: hidden;
}

.gsap-ready .process-section {
  height: auto;
}

.gsap-ready .process-sticky {
  position: relative;
}

.process-window {
  margin-top: 30px;
}

.process-track {
  display: flex;
  width: max-content;
  gap: 14px;
}

.gsap-ready .process-window {
  min-height: 0;
}

.gsap-ready .process-track {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: 100%;
  min-height: 0;
}

.process-card {
  position: relative;
  flex: 0 0 min(360px, 68vw);
  min-height: 280px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.gsap-ready .process-card {
  position: relative;
  top: auto;
  left: auto;
  width: auto;
  min-height: 210px;
  padding: 20px;
  opacity: 0.48;
  pointer-events: auto;
  transform: translateY(0);
  transition:
    opacity 300ms ease,
    transform 420ms cubic-bezier(0.22, 1, 0.36, 1),
    border-color 300ms ease,
    background 300ms ease,
    box-shadow 300ms ease;
}

.gsap-ready .process-card.is-active {
  z-index: 2;
  opacity: 1;
  border-color: rgba(67, 181, 217, 0.8);
  background: rgba(67, 181, 217, 0.16);
  box-shadow: 0 18px 42px rgba(0, 9, 25, 0.28);
  transform: translateY(-6px);
}

.gsap-ready .process-end.is-active {
  background: linear-gradient(135deg, #1553a7, #147fa9);
}

.gsap-ready .process-card.is-past {
  opacity: 0.74;
  transform: translateY(0);
}

.gsap-ready .process-card small {
  margin-top: 18px;
}

.gsap-ready .process-card h3 {
  font-size: 24px;
}

.gsap-ready .process-card p {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.5;
}

.process-card > span {
  position: absolute;
  right: 18px;
  top: 14px;
  color: rgba(255, 255, 255, 0.1);
  font-size: 62px;
  font-weight: 900;
}

.process-card > i {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border-radius: 8px;
  color: #fff;
  background: rgba(67, 181, 217, 0.22);
  font-size: 20px;
}

.process-card small {
  display: block;
  margin-top: 34px;
  color: var(--cyan);
  font-weight: 850;
}

.process-card h3 {
  margin-top: 8px;
  font-size: 28px;
}

.process-card p {
  margin: 14px 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 15px;
  line-height: 1.65;
}

.process-end {
  background: linear-gradient(135deg, #1553a7, #147fa9);
}

.process-footer {
  display: grid;
  grid-template-columns: minmax(180px, 360px) 1fr;
  align-items: center;
  gap: 20px;
  margin-top: 22px;
  color: var(--cyan);
  font-size: 14px;
}

.process-meter {
  height: 3px;
  background: rgba(255, 255, 255, 0.14);
}

.process-meter span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--cyan);
}

@media (min-width: 821px) and (max-height: 820px) {
  .process-sticky {
    padding-top: 88px;
    padding-bottom: 24px;
  }

  .process-sticky .chapter-heading > p:last-child {
    margin-top: 10px;
    font-size: 15px;
    line-height: 1.4;
  }

  .process-window {
    margin-top: 16px;
  }

  .gsap-ready .process-card {
    min-height: 178px;
    padding: 15px 17px;
  }

  .gsap-ready .process-card > i {
    width: 38px;
    height: 38px;
    font-size: 17px;
  }

  .gsap-ready .process-card small {
    margin-top: 10px;
  }

  .gsap-ready .process-card h3 {
    margin-top: 5px;
    font-size: 21px;
  }

  .gsap-ready .process-card p {
    margin-top: 6px;
    font-size: 12px;
    line-height: 1.4;
  }

  .process-footer {
    margin-top: 12px;
  }
}

/* WEB */
.web-section {
  grid-template-columns: minmax(320px, 0.7fr) minmax(600px, 1.3fr);
  align-items: center;
  gap: clamp(30px, 5vw, 72px);
  color: #fff;
  background: linear-gradient(135deg, #0a2041, #164978 55%, #276a83);
}

.web-section::before {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
}

.web-intro .category {
  color: var(--cyan);
}

.web-intro h2 {
  font-size: clamp(29px, 3.2vw, 43px);
}

.web-intro blockquote {
  margin: 26px 0 18px;
  color: #fff;
  font-size: clamp(20px, 2vw, 28px);
  font-weight: 850;
  line-height: 1.45;
}

.web-intro > p:last-of-type {
  color: rgba(255, 255, 255, 0.68);
  font-size: 15px;
  line-height: 1.65;
}

.role-keywords,
.team-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.role-keywords {
  margin-top: 24px;
}

.role-keywords span {
  padding: 9px 13px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  font-size: 13px;
  font-weight: 850;
}

.role-keywords i {
  margin-right: 7px;
  color: var(--cyan);
}

.team-line {
  margin-top: 22px;
}

.team-line span {
  padding: 6px 9px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 11px;
  font-weight: 900;
}

.team-line .team-web {
  color: #fff;
  background: rgba(67, 181, 217, 0.25);
}

.work-showcase {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.work-slider {
  min-width: 0;
}

.work-slider-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.work-slider-count {
  color: rgba(255, 255, 255, 0.52);
  font-size: 11px;
  font-weight: 800;
}

.work-slider-count b {
  color: var(--cyan);
  font-size: 13px;
}

.work-slider-arrows {
  display: flex;
  gap: 6px;
}

.work-slider-arrows button {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 6px;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
}

.work-slider-arrows button:hover:not(:disabled) {
  border-color: var(--cyan);
  background: rgba(67, 181, 217, 0.2);
}

.work-slider-arrows button:disabled {
  opacity: 0.28;
  cursor: default;
}

.work-viewport {
  overflow: hidden;
  padding: 6px 1px 3px;
}

.work-rail {
  display: flex;
  gap: 10px;
  touch-action: pan-y;
  cursor: grab;
  transition: transform 480ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

.work-rail.is-dragging {
  cursor: grabbing;
}

.work-rail article {
  flex: 0 0 calc((100% - 20px) / 3);
  min-height: 150px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.09);
  cursor: pointer;
  transition:
    border-color 220ms ease,
    background 220ms ease,
    transform 220ms ease;
}

.work-rail article:hover,
.work-rail article:focus-visible {
  border-color: rgba(67, 181, 217, 0.55);
  outline: none;
}

.work-rail article.active {
  border-color: var(--cyan);
  background: rgba(67, 181, 217, 0.2);
  transform: translateY(-3px);
}

.work-rail article.active i {
  color: #fff;
}

.work-rail i {
  color: var(--cyan);
  font-size: 22px;
}

.work-rail b,
.work-rail span {
  display: block;
}

.work-rail b {
  margin-top: 26px;
  font-size: 16px;
}

.work-rail span {
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 12px;
}

.work-media {
  position: relative;
  min-height: 460px;
  overflow: hidden;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.06);
}

.work-media-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 420ms ease;
}

.work-media.has-image .work-media-image {
  opacity: 1;
}

.work-media::after {
  position: absolute;
  inset: 42% 0 0;
  background: linear-gradient(180deg, transparent, rgba(7, 26, 54, 0.9));
  content: "";
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms ease;
}

.work-media.has-image::after {
  opacity: 1;
}

.work-media-empty {
  display: grid;
  place-items: center;
  gap: 10px;
  transition: opacity 240ms ease;
}

.work-media.has-image .work-media-empty {
  opacity: 0;
}

.work-media-empty span,
.work-media-caption span {
  color: rgba(255, 255, 255, 0.55);
}

.work-media-caption {
  position: absolute;
  right: 22px;
  bottom: 20px;
  left: 22px;
  z-index: 2;
  display: grid;
  gap: 4px;
  text-align: left;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 300ms ease, transform 300ms ease;
}

.work-media.has-image .work-media-caption {
  opacity: 1;
  transform: translateY(0);
}

.work-media-caption small {
  color: var(--cyan);
  font-size: 9px;
  font-weight: 900;
}

.work-media-caption b {
  font-size: 20px;
}

.work-media-caption span {
  font-size: 12px;
}

.work-media-links {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 10px;
}

.work-media-links[hidden] {
  display: none;
}

.work-media-link {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  gap: 7px;
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 6px;
  color: #fff;
  background: rgba(7, 26, 54, 0.42);
  backdrop-filter: blur(10px);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition:
    border-color 180ms ease,
    background 180ms ease;
}

.work-media-link:hover {
  border-color: var(--cyan);
  background: rgba(27, 104, 212, 0.72);
}

.work-media-link i {
  color: var(--cyan);
  font-size: 9px;
}

/* Request */
.request-section {
  align-content: center;
  gap: 28px;
  background: linear-gradient(135deg, #f5f8fc, #fff 56%, #e8f2fa);
}

.request-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.request-flow,
.request-checklist,
.good-request {
  border: 1px solid rgba(255, 255, 255, 0.82);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 16px 40px rgba(7, 26, 54, 0.08);
  backdrop-filter: blur(12px);
}

.request-flow,
.request-checklist {
  padding: 22px;
}

.request-flow h3,
.request-checklist h3 {
  font-size: 18px;
}

.request-flow h3 i {
  margin-right: 8px;
  color: var(--blue);
}

.request-flow ol {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.request-flow li {
  position: relative;
  display: grid;
  gap: 10px;
  min-width: 0;
}

.request-flow li:not(:last-child)::after {
  position: absolute;
  left: calc(50% + 16px);
  top: 14px;
  width: calc(100% - 24px);
  height: 1px;
  background: rgba(27, 104, 212, 0.24);
  content: "";
}

.request-flow li span {
  z-index: 1;
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--blue);
  font-size: 11px;
  font-weight: 900;
}

.request-flow li b {
  font-size: 12px;
}

.mail-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--line);
}

.mail-head > i {
  color: var(--blue);
  font-size: 25px;
}

.mail-head small,
.mail-head b {
  display: block;
}

.mail-head small {
  color: var(--blue);
  font-size: 10px;
  font-weight: 900;
}

.request-checklist ul {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.request-checklist li {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px;
  border-radius: 6px;
  background: #eef5fb;
  color: #526076;
  font-size: 12px;
  font-weight: 750;
}

.request-checklist i {
  width: 27px;
  color: var(--blue);
  text-align: center;
}

.good-request {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 46px 1fr auto;
  align-items: center;
  gap: 14px;
  padding: 18px 22px;
}

.chat-avatar {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--navy-2);
}

.good-request small {
  color: var(--blue);
  font-weight: 900;
}

.good-request p {
  margin: 5px 0 0;
  color: #536178;
  font-size: 14px;
}

.good-request > span {
  padding: 8px 11px;
  border-radius: 999px;
  color: #0a6b5f;
  background: #dff5ef;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  gap: 10px;
}

/* Issue */
.issue-section {
  align-content: center;
  gap: 28px;
  color: #fff;
  background: linear-gradient(135deg, #101c31, #16485d);
}

.issue-carousel {
  display: grid;
  grid-template-columns: 42px 1fr 42px;
  align-items: center;
  gap: 12px;
}

.issue-window {
  overflow: hidden;
}

.issue-track {
  display: flex;
  gap: 12px;
  cursor: grab;
  user-select: none;
  transition: transform 500ms cubic-bezier(0.22, 1, 0.36, 1);
}

.issue-track.is-dragging {
  cursor: grabbing;
}

.issue-track article {
  flex: 0 0 calc((100% - 24px) / 3);
  min-height: 210px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.issue-track i {
  color: var(--cyan);
  font-size: 25px;
}

.issue-track h3 {
  margin-top: 38px;
}

.issue-track p {
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
  line-height: 1.6;
}

.carousel-arrow {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  cursor: pointer;
}

.carousel-arrow:disabled {
  opacity: 0.25;
  cursor: default;
}

.issue-bottom {
  display: grid;
  grid-template-columns: 0.65fr 1.35fr;
  gap: 16px;
}

.report-card,
.response-flow {
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.07);
}

.report-card h3 {
  margin-bottom: 12px;
  font-size: 16px;
}

.report-card h3 i {
  margin-right: 8px;
  color: var(--cyan);
}

.report-card span {
  display: inline-flex;
  margin: 4px 3px;
  padding: 6px 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.09);
  font-size: 11px;
  font-weight: 800;
}

.response-flow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 7px;
}

.response-flow span {
  font-size: 12px;
  font-weight: 850;
  white-space: nowrap;
}

.response-flow i {
  flex: 1;
  height: 1px;
  background: rgba(67, 181, 217, 0.45);
}

/* Copyright */
.copyright-section {
  align-content: center;
  gap: 26px;
  background: linear-gradient(135deg, #f6f8fb, #fff 52%, #edf0f5);
}

.copyright-layout {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 14px;
}

.copyright-cases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-column: 1 / -1;
  gap: 12px;
}

.copyright-cases article,
.prevention-panel,
.copyright-response {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 14px 36px rgba(7, 26, 54, 0.07);
}

.copyright-cases i {
  color: var(--blue);
  font-size: 24px;
}

.copyright-cases h3 {
  margin-top: 20px;
}

.copyright-cases p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.prevention-panel h3 i {
  margin-right: 8px;
  color: var(--blue);
}

.prevention-panel ul,
.copyright-response ol {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.prevention-panel li {
  display: flex;
  align-items: center;
  gap: 9px;
  color: #526076;
  font-size: 13px;
}

.prevention-panel li i {
  display: grid;
  width: 21px;
  height: 21px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: #248b78;
  font-size: 9px;
}

.copyright-response {
  background: var(--navy);
  color: #fff;
}

.copyright-response h3 {
  font-size: 17px;
  line-height: 1.45;
}

.copyright-response li {
  display: grid;
  grid-template-columns: 25px 1fr;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
}

.copyright-response li span {
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--blue);
  font-size: 10px;
  font-weight: 900;
}

/* Closing */
.closing {
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(36px, 7vw, 110px);
  color: #fff;
  background: #133b46;
}

.closing::before {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
}

.closing-network {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(140px, 1fr));
  gap: 16px;
  max-width: 580px;
}

.closing-network::before {
  position: absolute;
  inset: 18% 14%;
  border: 1px dashed rgba(240, 207, 114, 0.34);
  content: "";
  transform: rotate(-8deg);
}

.closing-network span {
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 76px;
  padding: 18px;
  color: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 16px 36px rgba(4, 24, 22, 0.2);
  backdrop-filter: blur(12px);
  font-weight: 850;
}

.closing-network span:last-child {
  grid-column: 1 / -1;
  justify-self: center;
  color: #173c39;
  border-color: rgba(255, 229, 145, 0.64);
  background: #e1bf5b;
}

.closing-network i {
  color: #77d0c8;
}

.closing-network span:last-child i {
  color: #173c39;
}

.closing-copy .category {
  color: #f0cf72;
}

.closing-copy > p:not(.category) {
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 17px;
  line-height: 1.7;
}

.closing-copy strong {
  display: block;
  margin-top: 34px;
  color: #f0cf72;
  font-size: clamp(21px, 2.6vw, 34px);
}

@media (min-width: 1920px) and (min-height: 1080px) {
  .reading-progress {
    top: 83px;
  }

  .topbar {
    min-height: 84px;
    padding-inline: 7.5vw;
  }

  .brand {
    gap: 16px;
    font-size: 11px;
  }

  .brand img {
    width: 122px;
    max-height: 32px;
  }

  .section-tabs {
    gap: clamp(20px, 1.5vw, 34px);
  }

  .section-tabs a {
    font-size: 12px;
  }

  .side-nav {
    right: 42px;
    gap: 16px;
  }

  .side-nav a {
    width: 20px;
  }

  .side-nav a.is-active {
    width: 42px;
  }

  .chapter {
    padding: 132px 7.5vw 72px;
  }

  .chapter::before {
    background-size: 64px 64px;
  }

  .chapter-heading {
    max-width: 900px;
  }

  .category {
    margin-bottom: 16px;
    font-size: 17px;
  }

  h1 {
    font-size: 76px;
  }

  h2 {
    font-size: 54px;
  }

  h3 {
    font-size: 22px;
  }

  .chapter-heading > p:last-child {
    font-size: 20px;
  }

  .intro-copy {
    max-width: 900px;
  }

  .intro-copy .subtitle {
    font-size: 21px;
  }

  .presenter {
    margin-top: 40px;
    padding-top: 24px;
    font-size: 15px;
  }

  .scroll-guide {
    right: 7.5vw;
    bottom: 72px;
  }

  .phr-section {
    gap: 40px;
  }

  .phr-layout {
    grid-template-columns: minmax(400px, 0.76fr) minmax(780px, 1.24fr);
    gap: clamp(70px, 5vw, 120px);
  }

  .info-block {
    grid-template-columns: 54px 1fr;
    gap: 18px;
    padding: 24px;
  }

  .phr-visual {
    min-height: 660px;
  }

  .phr-slides {
    width: min(620px, 82%);
    min-height: 230px;
  }

  .phr-stepper {
    max-width: 620px;
  }

  .process-sticky {
    padding: 124px 7.5vw 64px;
  }

  .gsap-ready .process-card {
    min-height: 238px;
    padding: 24px;
  }

  .gsap-ready .process-card h3 {
    font-size: 26px;
  }

  .gsap-ready .process-card p {
    font-size: 14px;
    line-height: 1.6;
  }

  .web-section {
    grid-template-columns: minmax(440px, 0.72fr) minmax(900px, 1.28fr);
    gap: clamp(72px, 5vw, 110px);
  }

  .web-intro h2 {
    font-size: 48px;
  }

  .web-intro > p:last-of-type {
    font-size: 17px;
  }

  .work-rail article {
    min-height: 172px;
    padding: 20px;
  }

  .work-media {
    min-height: 560px;
  }

  .request-section {
    gap: 36px;
  }

  .request-layout {
    gap: 20px;
  }

  .request-flow,
  .request-checklist,
  .good-request {
    padding: 26px;
  }

  .issue-section {
    gap: 40px;
  }

  .issue-track article {
    min-height: 230px;
    padding: 28px;
  }

  .copyright-layout {
    gap: 22px;
  }

  .copyright-cases article,
  .prevention-panel,
  .copyright-response {
    padding: 26px;
  }

  .closing-copy {
    max-width: 980px;
  }
}

@media (max-width: 1100px) {
  .section-tabs {
    gap: 12px;
  }

  .section-tabs a {
    padding-inline: 0;
    font-size: 10px;
  }

  .phr-layout,
  .web-section {
    grid-template-columns: 1fr 1fr;
  }

  .phr-slide {
    padding: 20px;
  }

  .work-rail article {
    flex-basis: calc((100% - 10px) / 2);
  }
}

@media (max-width: 820px) {
  .topbar {
    width: 100%;
    padding-inline: 20px;
  }

  .section-tabs,
  .side-nav {
    display: none;
  }

  .chapter {
    min-height: auto;
    padding: 108px 20px 52px;
    overflow: visible;
  }

  .intro,
  .closing {
    min-height: 100svh;
  }

  .phr-layout,
  .web-section,
  .closing,
  .request-layout,
  .issue-bottom,
  .copyright-layout {
    grid-template-columns: 1fr;
  }

  .work-rail article {
    flex-basis: calc((100% - 10px) / 2);
  }

  .phr-visual {
    min-height: 500px;
  }

  .phr-image {
    inset: 0 0 8%;
  }

  .phr-carousel {
    inset: 0 0 1%;
    padding: 16px;
  }

  .phr-slides {
    width: 100%;
    min-height: 220px;
  }

  .phr-carousel-footer {
    align-items: center;
  }

  .phr-step b {
    font-size: 9px;
  }

  .process-section {
    height: auto;
  }

  .process-sticky {
    position: relative;
    min-height: auto;
    padding: 100px 20px 52px;
  }

  .gsap-ready .process-section {
    height: auto;
  }

  .gsap-ready .process-sticky {
    position: relative;
  }

  .process-track {
    width: 100%;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 10px;
  }

  .gsap-ready .process-window,
  .gsap-ready .process-track {
    min-height: 0;
  }

  .gsap-ready .process-track {
    display: flex;
    position: static;
  }

  .process-card {
    flex-basis: 82vw;
    scroll-snap-align: start;
  }

  .gsap-ready .process-card,
  .gsap-ready .process-card.is-active,
  .gsap-ready .process-card.is-past {
    position: relative;
    top: auto;
    left: auto;
    width: auto;
    opacity: 1;
    pointer-events: auto;
    transform: none;
    transition: none;
  }

  .gsap-ready .process-card small {
    margin-top: 34px;
  }

  .gsap-ready .process-card h3 {
    font-size: 28px;
  }

  .gsap-ready .process-card p {
    margin-top: 14px;
    font-size: 15px;
    line-height: 1.65;
  }

  .process-footer {
    grid-template-columns: 1fr;
  }

  .request-flow ol {
    grid-template-columns: repeat(5, 130px);
    overflow-x: auto;
  }

  .good-request {
    grid-template-columns: 42px 1fr;
  }

  .good-request > span {
    grid-column: 1 / -1;
    justify-self: start;
  }

  .issue-track article {
    flex-basis: 80%;
  }

  .response-flow {
    overflow-x: auto;
  }

  .copyright-cases {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 540px) {
  .brand span {
    display: none;
  }

  h1 {
    font-size: 38px;
  }

  h2 {
    font-size: 28px;
  }

  .presenter {
    flex-direction: column;
    gap: 6px;
  }

  .work-rail article {
    flex-basis: 100%;
  }

  .phr-visual {
    min-height: 540px;
  }

  .phr-slide {
    grid-template-columns: 46px 1fr;
    gap: 13px;
    padding: 18px;
  }

  .phr-slide-icon {
    width: 46px;
    height: 46px;
    font-size: 19px;
  }

  .phr-carousel-footer {
    flex-direction: column-reverse;
    align-items: stretch;
    gap: 8px;
  }

  .phr-stepper {
    width: 100%;
    max-width: none;
  }

  .phr-arrows {
    align-self: end;
  }

  .request-checklist ul {
    grid-template-columns: 1fr;
  }

  .issue-carousel {
    grid-template-columns: 34px 1fr 34px;
    gap: 6px;
  }

  .carousel-arrow {
    width: 34px;
    height: 34px;
  }

  .closing-network {
    grid-template-columns: 1fr;
  }

  .closing-network span:last-child {
    grid-column: auto;
    justify-self: stretch;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}