:root {
  --bg: #e9f2f8;
  --bg-strong: #d9eaf5;
  --surface: rgba(255, 255, 255, 0.7);
  --surface-strong: rgba(255, 255, 255, 0.9);
  --line: rgba(2, 40, 64, 0.12);
  --line-strong: rgba(2, 40, 64, 0.18);
  --text: #06263a;
  --text-soft: rgba(6, 38, 58, 0.72);
  --navy: #022840;
  --navy-soft: #0f4362;
  --sky: #2bb6f6;
  --gold: #f2d65a;
  --coral: #ff5f4d;
  --shadow: 0 24px 80px rgba(6, 38, 58, 0.18);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --container: 1240px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "IBM Plex Sans KR", sans-serif;
  color: var(--text);
  background:
    radial-gradient(
      circle at top left,
      rgba(43, 182, 246, 0.18),
      transparent 28%
    ),
    radial-gradient(
      circle at 85% 20%,
      rgba(255, 95, 77, 0.16),
      transparent 22%
    ),
    linear-gradient(180deg, #eef6fb 0%, #deebf4 48%, #edf4f9 100%);
}

img {
  display: block;
  max-width: 100%;
}

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

button {
  font: inherit;
}

.page-shell {
  position: relative;
  overflow: clip;
}

.ambient {
  position: fixed;
  inset: auto;
  border-radius: 999px;
  filter: blur(72px);
  opacity: 0.6;
  pointer-events: none;
  z-index: 0;
}

.ambient-a {
  width: 24rem;
  height: 24rem;
  top: -6rem;
  left: -4rem;
  background: rgba(43, 182, 246, 0.3);
  animation: drift 16s ease-in-out infinite alternate;
}

.ambient-b {
  width: 18rem;
  height: 18rem;
  top: 18rem;
  right: 0;
  background: rgba(255, 95, 77, 0.24);
  animation: drift 22s ease-in-out infinite alternate-reverse;
}

.ambient-c {
  width: 22rem;
  height: 22rem;
  bottom: 4rem;
  left: 10%;
  background: rgba(242, 214, 90, 0.24);
  animation: drift 20s ease-in-out infinite alternate;
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.section {
  padding: 108px 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  padding: 18px 0;
  transition:
    padding 220ms ease,
    background-color 220ms ease,
    box-shadow 220ms ease;
}

.site-header.is-scrolled {
  padding: 10px 0;
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 22px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 0 10px 36px rgba(6, 38, 58, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  width: 156px;
  flex: 0 0 auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--text-soft);
  font-size: 0.96rem;
}

.nav-links a {
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: var(--navy);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 220ms ease;
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
  transform: scaleX(1);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  letter-spacing: -0.02em;
  transition:
    transform 200ms ease,
    box-shadow 200ms ease,
    border-color 200ms ease,
    background-color 200ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-small {
  min-height: 42px;
  padding: 0 18px;
  font-size: 0.92rem;
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, #022840 0%, #114968 100%);
  box-shadow: 0 16px 40px rgba(2, 40, 64, 0.22);
}

.button-secondary {
  color: var(--navy);
  background: rgba(255, 255, 255, 0.66);
  border-color: rgba(2, 40, 64, 0.12);
  box-shadow: 0 12px 32px rgba(255, 255, 255, 0.35);
}

.eyebrow-pill,
.section-kicker,
.flow-index,
.feature-icon,
.flow-caption {
  font-family: "Space Grotesk", sans-serif;
}

.hero {
  padding-top: 42px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(420px, 0.84fr);
  gap: 56px;
  align-items: center;
}

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

.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border: 1px solid rgba(2, 40, 64, 0.08);
  border-radius: 999px;
  color: var(--navy);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 12px 30px rgba(6, 38, 58, 0.08);
  font-size: 0.88rem;
  letter-spacing: 0.01em;
}

.eyebrow-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--sky), var(--gold));
  box-shadow: 0 0 0 6px rgba(43, 182, 246, 0.12);
}

.hero-copy h1 {
  margin: 22px 0 20px;
  max-width: 9.6ch;
  font-size: clamp(3rem, 4.9vw, 5rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
  word-break: keep-all;
  text-wrap: balance;
}

.hero-description,
.section-heading p,
.feature-card p,
.flow-copy-head p,
.cta-copy p {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.72;
  font-size: 1.04rem;
}

.hero-description,
.section-heading p,
.flow-copy-head p,
.capability-copy p,
.cta-copy p {
  max-width: 68ch;
  word-break: keep-all;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.hero-note {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
  color: var(--navy-soft);
  font-size: 0.95rem;
}

.hero-note span {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.54);
  border: 1px solid rgba(2, 40, 64, 0.08);
}

.hero-visual {
  position: relative;
  min-height: auto;
  padding: 26px 0 20px;
}

.hero-glow {
  position: absolute;
  inset: 10% 5% auto;
  height: 55%;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(43, 182, 246, 0.34),
    transparent 70%
  );
  filter: blur(24px);
}

.hero-frame {
  position: relative;
  inset: auto;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 40px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.68);
  box-shadow: var(--shadow);
  background: rgba(255, 255, 255, 0.52);
}

.hero-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  background: #b7d3e5;
}

.floating-chip {
  position: absolute;
  display: grid;
  gap: 4px;
  max-width: 220px;
  padding: 18px 20px;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0 18px 36px rgba(6, 38, 58, 0.12);
  backdrop-filter: blur(16px);
}

.floating-chip strong {
  font-size: 1rem;
}

.floating-chip span {
  color: var(--text-soft);
  font-size: 0.92rem;
  line-height: 1.5;
}

.chip-a {
  top: -4px;
  left: -18px;
}

.chip-b {
  right: -8px;
  top: 92px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 42px;
}

.stat-card {
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 16px 30px rgba(6, 38, 58, 0.08);
  text-align: center;
}

.stat-card strong {
  display: block;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1;
}

.stat-card span {
  display: block;
  margin-top: 8px;
  color: var(--text-soft);
}

.marquee-strip {
  overflow: hidden;
  border-top: 1px solid rgba(2, 40, 64, 0.08);
  border-bottom: 1px solid rgba(2, 40, 64, 0.08);
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(12px);
}

.marquee-track {
  display: flex;
  gap: 18px;
  width: max-content;
  padding: 16px 0;
  animation: marquee 24s linear infinite;
}

.marquee-track span {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-radius: 999px;
  color: var(--navy);
  font-weight: 600;
  background: rgba(255, 255, 255, 0.82);
}

.marquee-track span::after {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--coral);
}

.section-heading {
  max-width: 880px;
  margin-bottom: 42px;
}

.section-heading-wide {
  max-width: 980px;
}

.section-kicker {
  margin: 0 0 16px;
  color: var(--navy-soft);
  font-size: 0.94rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-heading h2,
.capability-copy h2,
.cta-copy h2 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 3.2vw, 3.25rem);
  line-height: 1.1;
  letter-spacing: -0.05em;
  word-break: keep-all;
  text-wrap: balance;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.feature-card,
.flow-shell,
.capability-item,
.mosaic-card,
.cta-panel {
  border: 1px solid rgba(255, 255, 255, 0.66);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 18px 48px rgba(6, 38, 58, 0.1);
  backdrop-filter: blur(18px);
}

.feature-card {
  padding: 28px;
  border-radius: 28px;
}

.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 16px;
  color: #fff;
  background: linear-gradient(135deg, var(--navy), #1c587b);
  box-shadow: 0 16px 30px rgba(2, 40, 64, 0.2);
  font-size: 0.95rem;
}

.feature-card h3 {
  margin: 18px 0 10px;
  font-size: 1.35rem;
  line-height: 1.22;
  letter-spacing: -0.03em;
  word-break: keep-all;
}

.flow-shell {
  padding: 24px;
  border-radius: 32px;
}

.flow-shell-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.flow-tabs {
  display: inline-flex;
  gap: 10px;
  padding: 6px;
  border-radius: 999px;
  background: rgba(6, 38, 58, 0.06);
}

.flow-tab {
  min-height: 48px;
  padding: 0 18px;
  border: 0;
  border-radius: 999px;
  color: var(--text-soft);
  background: transparent;
  cursor: pointer;
  transition:
    background-color 200ms ease,
    color 200ms ease,
    transform 200ms ease,
    box-shadow 200ms ease;
}

.flow-tab.is-active {
  color: #fff;
  background: linear-gradient(135deg, var(--navy), #134b69);
  box-shadow: 0 14px 28px rgba(2, 40, 64, 0.18);
}

.flow-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  gap: 34px;
  align-items: center;
}

.flow-stage {
  position: relative;
  aspect-ratio: 16 / 9;
  padding: 18px;
  border-radius: 28px;
  overflow: hidden;
  background:
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.56),
      rgba(255, 255, 255, 0.22)
    ),
    rgba(255, 255, 255, 0.5);
}

.flow-stage-glow {
  position: absolute;
  inset: auto 10% 0;
  height: 32%;
  background: radial-gradient(
    circle,
    rgba(43, 182, 246, 0.28),
    transparent 70%
  );
  filter: blur(26px);
}

.flow-stage img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 20px;
  background: #b7d3e5;
  opacity: 0;
  transform: scale(1.02);
  transition:
    opacity 260ms ease,
    transform 260ms ease;
}

.flow-stage img.is-visible {
  opacity: 1;
  transform: scale(1);
}

.flow-copy {
  display: grid;
  gap: 24px;
}

.flow-index {
  margin: 0 0 10px;
  color: var(--navy-soft);
  font-size: 0.96rem;
  letter-spacing: 0.1em;
}

.flow-copy-head h3 {
  margin: 0 0 10px;
  max-width: 11.5ch;
  font-size: clamp(1.7rem, 2.35vw, 2.2rem);
  line-height: 1.14;
  letter-spacing: -0.04em;
  word-break: keep-all;
  text-wrap: balance;
}

.flow-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.flow-badges li {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--navy);
  background: rgba(6, 38, 58, 0.06);
}

.flow-steps {
  display: grid;
  gap: 12px;
}

.flow-step {
  display: grid;
  gap: 6px;
  width: 100%;
  padding: 18px;
  text-align: left;
  border: 1px solid rgba(2, 40, 64, 0.08);
  border-radius: 20px;
  color: inherit;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition:
    transform 200ms ease,
    border-color 200ms ease,
    background-color 200ms ease,
    box-shadow 200ms ease;
}

.flow-step:hover,
.flow-step:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(2, 40, 64, 0.18);
}

.flow-step.is-active {
  border-color: rgba(43, 182, 246, 0.28);
  background: linear-gradient(
    135deg,
    rgba(43, 182, 246, 0.14),
    rgba(255, 255, 255, 0.8)
  );
  box-shadow: 0 18px 32px rgba(43, 182, 246, 0.12);
}

.flow-step-top {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 12px;
}

.flow-step-label {
  color: var(--navy-soft);
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.flow-step strong {
  display: block;
  font-size: 1.02rem;
  line-height: 1.35;
  word-break: keep-all;
}

.flow-step-body {
  color: var(--text-soft);
  line-height: 1.58;
}

.capability-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 28px;
  align-items: center;
}

.capability-copy p {
  color: var(--text-soft);
  line-height: 1.72;
  font-size: 1.04rem;
}

.capability-list {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.capability-item {
  display: grid;
  gap: 6px;
  padding: 22px;
  border-radius: 22px;
}

.capability-item strong {
  font-size: 1.08rem;
}

.capability-item span {
  color: var(--text-soft);
  line-height: 1.55;
}

.mosaic-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.mosaic-card {
  padding: 14px;
  border-radius: 24px;
}

.mosaic-card img {
  width: 100%;
  border-radius: 18px;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.mosaic-large {
  grid-column: span 2;
}

.mosaic-large img {
  aspect-ratio: 16 / 8.8;
}

.mosaic-card figcaption {
  margin-top: 12px;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.cta-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.7fr);
  gap: 20px;
  align-items: center;
  padding: 34px;
  border-radius: 34px;
}

.cta-visual {
  position: relative;
  min-height: 380px;
}

.cta-orbit {
  position: absolute;
  inset: 14% 10%;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(43, 182, 246, 0.28),
    transparent 68%
  );
  filter: blur(32px);
}

.cta-visual img {
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(100%, 340px);
  filter: drop-shadow(0 24px 40px rgba(6, 38, 58, 0.2));
  animation: float 6.5s ease-in-out infinite;
}

.site-footer {
  padding: 0 0 48px;
}

.footer-shell {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding-top: 12px;
  color: var(--text-soft);
}

.footer-shell img {
  width: 138px;
}

.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

  50% {
    transform: translateY(-12px);
  }
}

@keyframes drift {
  0% {
    transform: translate3d(0, 0, 0);
  }

  100% {
    transform: translate3d(28px, -20px, 0);
  }
}

@keyframes marquee {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}

@media (max-width: 1100px) {
  .hero-grid,
  .capability-layout,
  .cta-panel,
  .flow-layout {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: auto;
    padding-top: 18px;
  }

  .hero-frame {
    aspect-ratio: 16 / 9;
  }

  .feature-grid,
  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .section {
    padding: 88px 0;
  }

  .nav-links {
    display: none;
  }

  .nav-shell {
    padding: 14px 16px;
  }

  .brand {
    width: 132px;
  }

  .hero {
    padding-top: 18px;
  }

  .hero-copy h1 {
    max-width: 10.2ch;
    font-size: clamp(2.65rem, 12vw, 4.1rem);
  }

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

  .floating-chip {
    max-width: 180px;
    padding: 14px 16px;
  }

  .chip-a {
    top: 2px;
    left: 0;
  }

  .chip-b {
    top: 74px;
    right: 0;
  }

  .flow-shell {
    padding: 18px;
  }

  .flow-stage {
    aspect-ratio: 16 / 9;
  }

  .mosaic-grid,
  .feature-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .mosaic-large {
    grid-column: auto;
  }

  .cta-visual {
    min-height: 280px;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(calc(100% - 24px), var(--container));
  }

  .section {
    padding: 72px 0;
  }

  .site-header {
    padding: 10px 0;
  }

  .button,
  .button-small {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-note {
    flex-direction: column;
  }

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

  .hero-frame {
    border-radius: 24px;
  }

  .floating-chip {
    position: static;
    max-width: none;
    margin-top: 12px;
  }

  .flow-shell-header {
    align-items: flex-start;
  }

  .flow-tabs {
    width: 100%;
    flex-direction: column;
    border-radius: 24px;
  }

  .flow-tab {
    width: 100%;
  }

  .flow-badges {
    flex-direction: column;
  }

  .flow-badges li,
  .hero-note span {
    width: 100%;
  }

  .cta-panel {
    padding: 22px;
  }

  .footer-shell {
    justify-content: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

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