:root {
  --ink: #18201b;
  --forest: #173f2a;
  --leaf: #1f6b43;
  --lime: #d9ff4f;
  --sun: #f5c94a;
  --paper: #f4f3ed;
  --white: #ffffff;
  --line: rgba(24, 32, 27, 0.16);
  --muted: #657068;
  --font-display: "DM Sans", "Noto Sans KR", sans-serif;
  --font-body: "Noto Sans KR", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-body);
  line-height: 1.6;
  letter-spacing: 0;
}

body.menu-open {
  overflow: hidden;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

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

svg {
  display: block;
}

.skip-link {
  position: fixed;
  top: -60px;
  left: 16px;
  z-index: 200;
  padding: 10px 16px;
  color: var(--ink);
  background: var(--lime);
}

.skip-link:focus {
  top: 12px;
}

.page-shell,
.nav-shell {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  transition:
    background 220ms ease,
    color 220ms ease,
    border-color 220ms ease;
}

.site-header.scrolled,
.site-header.menu-active {
  color: var(--ink);
  background: rgba(244, 243, 237, 0.96);
  border-color: var(--line);
  backdrop-filter: blur(16px);
}

.nav-shell {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: fit-content;
  font-family: var(--font-display);
  font-weight: 700;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: var(--ink);
  background: var(--lime);
  border-radius: 3px;
  font-size: 12px;
}

.brand-name {
  font-size: 16px;
}

.brand-name b {
  color: var(--lime);
}

.scrolled .brand-name b,
.menu-active .brand-name b {
  color: var(--leaf);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  font-size: 14px;
  font-weight: 500;
}

.desktop-nav a {
  position: relative;
}

.desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

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

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-self: end;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
}

.header-cta svg,
.text-link svg {
  width: 17px;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  justify-self: end;
  color: currentColor;
  background: transparent;
  border: 1px solid currentColor;
  border-radius: 3px;
  cursor: pointer;
}

.menu-toggle svg {
  width: 21px;
}

.mobile-menu {
  height: calc(100svh - 76px);
  padding: 24px;
  color: var(--ink);
  background: var(--paper);
}

.mobile-menu a {
  display: block;
  padding: 18px 4px;
  border-bottom: 1px solid var(--line);
  font-size: 22px;
  font-weight: 700;
}

.hero {
  position: relative;
  display: flex;
  min-height: min(820px, 88svh);
  align-items: flex-end;
  overflow: hidden;
  color: var(--white);
  background: var(--forest);
}

.hero-media,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-media {
  background-image: url("https://images.unsplash.com/photo-1625246333195-78d9c38ad449?auto=format&fit=crop&w=2000&q=88");
  background-position: center 55%;
  background-size: cover;
  animation: hero-reveal 1.4s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.hero-shade {
  background: linear-gradient(
    90deg,
    rgba(9, 22, 14, 0.88) 0%,
    rgba(9, 22, 14, 0.49) 54%,
    rgba(9, 22, 14, 0.13) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: 146px;
  padding-bottom: 76px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 28px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.eyebrow.dark {
  color: var(--leaf);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--lime);
  border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(217, 255, 79, 0.16);
}

.hero h1,
.section h2 {
  margin: 0;
  font-family: var(--font-display);
  letter-spacing: 0;
}

.hero h1 {
  max-width: 800px;
  font-size: clamp(58px, 7.2vw, 108px);
  line-height: 0.96;
  font-weight: 600;
}

.hero h1 em {
  color: var(--lime);
  font-style: normal;
}

.hero-copy {
  margin: 30px 0 0;
  color: rgba(255, 255, 255, 0.8);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 34px;
  margin-top: 38px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 0 22px;
  border-radius: 3px;
  font-size: 14px;
  font-weight: 700;
}

.button svg {
  width: 18px;
}

.button-primary {
  color: var(--ink);
  background: var(--lime);
  transition:
    background 180ms ease,
    transform 180ms ease;
}

.button-primary:hover {
  background: var(--white);
  transform: translateY(-2px);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 700;
}

.hero-insight {
  position: absolute;
  right: max(24px, calc((100vw - 1180px) / 2));
  bottom: 40px;
  z-index: 3;
  width: 246px;
  padding: 20px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.91);
  border-radius: 5px;
  backdrop-filter: blur(14px);
  animation: slide-up 800ms 500ms ease both;
}

.insight-heading {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 700;
}

.live-indicator {
  color: var(--leaf);
}

.hero-insight > strong {
  display: block;
  margin-top: 18px;
  font-family: var(--font-display);
  font-size: 36px;
  line-height: 1;
}

.hero-insight > p {
  margin: 5px 0 12px;
  color: var(--muted);
  font-size: 11px;
}

.insight-bars {
  display: flex;
  height: 50px;
  align-items: flex-end;
  gap: 7px;
  padding-top: 6px;
  border-top: 1px solid var(--line);
}

.insight-bars span {
  flex: 1;
  min-height: 4px;
  background: var(--leaf);
}

.signal-strip {
  display: flex;
  min-height: 58px;
  align-items: center;
  justify-content: center;
  gap: 34px;
  padding: 12px 24px;
  color: var(--ink);
  background: var(--lime);
  font-size: 13px;
  font-weight: 700;
}

.signal-strip svg {
  width: 14px;
}

.section {
  padding: 120px 0;
}

.section h2 {
  font-size: clamp(38px, 4.2vw, 66px);
  line-height: 1.12;
  font-weight: 600;
}

.statement-grid {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 60px;
}

.statement-title {
  font-size: clamp(38px, 3.8vw, 58px);
}

.statement-title span {
  display: block;
  white-space: nowrap;
}

.section-index {
  margin-top: 72px;
  color: var(--muted);
  font-family: var(--font-display);
  font-size: 13px;
}

.lead-copy {
  max-width: 720px;
  margin: 34px 0 60px;
  color: var(--muted);
  font-size: 18px;
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}

.metric-row > div {
  padding: 30px 24px 0 0;
}

.metric-row strong,
.metric-row span {
  display: block;
}

.metric-row strong {
  font-family: var(--font-display);
  font-size: 24px;
}

.metric-row span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.solutions {
  background: var(--white);
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 50px;
}

.section-heading .eyebrow {
  margin-bottom: 20px;
}

.section-heading > p {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 14px;
}

.solution-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 14px;
}

.solution-card {
  position: relative;
  min-height: 540px;
  overflow: hidden;
  border-radius: 5px;
}

.solution-card img,
.card-overlay {
  position: absolute;
  inset: 0;
  height: 100%;
}

.solution-card img {
  object-fit: cover;
  transition: transform 600ms ease;
}

.solution-card:hover img {
  transform: scale(1.035);
}

.card-overlay {
  background: linear-gradient(
    180deg,
    rgba(10, 20, 14, 0.08),
    rgba(10, 20, 14, 0.82)
  );
}

.yellow-card {
  background: var(--sun);
}

.green-card {
  background: var(--forest);
}

.card-content {
  position: relative;
  z-index: 2;
  display: flex;
  height: 100%;
  flex-direction: column;
  padding: 28px;
}

.card-content.light {
  color: var(--white);
}

.card-number {
  align-self: flex-end;
  font-family: var(--font-display);
  font-size: 11px;
}

.card-content > svg {
  width: 38px;
  height: 38px;
  margin-top: auto;
  margin-bottom: 18px;
}

.card-content h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 29px;
  line-height: 1.2;
}

.card-content > p {
  margin: 14px 0 0;
  opacity: 0.76;
  font-size: 14px;
}

.forecast-visual {
  margin-top: 32px;
  padding-top: 18px;
  border-top: 1px solid rgba(24, 32, 27, 0.22);
}

.forecast-visual span,
.forecast-visual strong {
  display: block;
}

.forecast-visual span {
  font-size: 11px;
}

.forecast-visual strong {
  margin-top: 4px;
  font-family: var(--font-display);
  font-size: 28px;
}

.forecast-visual svg {
  width: 100%;
  margin-top: 4px;
}

.forecast-visual path {
  fill: none;
  stroke: var(--ink);
  stroke-width: 3;
}

.control-dial {
  display: grid;
  width: 150px;
  height: 150px;
  place-items: center;
  align-self: center;
  margin-top: 28px;
  border: 2px solid rgba(255, 255, 255, 0.28);
  border-top-color: var(--lime);
  border-radius: 50%;
  box-shadow: inset 0 0 0 12px rgba(255, 255, 255, 0.04);
}

.control-dial strong {
  font-family: var(--font-display);
  font-size: 34px;
}

.control-dial span {
  margin-left: 3px;
  color: var(--lime);
}

.process {
  color: var(--white);
  background-color: #132019;
  background-image:
    linear-gradient(rgba(217, 255, 79, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(217, 255, 79, 0.045) 1px, transparent 1px);
  background-size: 36px 36px;
}

.process-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.3fr;
  gap: 110px;
}

.process-intro {
  position: sticky;
  top: 130px;
  align-self: start;
}

.process-intro > p:last-child {
  max-width: 360px;
  margin-top: 30px;
  color: rgba(255, 255, 255, 0.62);
}

.process-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-list li {
  display: grid;
  grid-template-columns: 50px 1fr 52px;
  gap: 22px;
  align-items: start;
  padding: 36px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.17);
}

.process-list li:last-child {
  border-bottom: 1px solid rgba(255, 255, 255, 0.17);
}

.process-list > li > span {
  color: var(--lime);
  font-family: var(--font-display);
  font-size: 12px;
}

.process-list h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 25px;
}

.process-list p {
  margin: 10px 0 0;
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
}

.process-list svg {
  width: 30px;
  color: var(--lime);
}

.about {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  padding: 0;
  background: var(--sun);
}

.about-image {
  min-height: 650px;
}

.about-image img {
  height: 100%;
  object-fit: cover;
}

.about-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 76px clamp(48px, calc((100vw - 1180px) / 2), 160px) 76px 56px;
}

.about-content h2 {
  font-size: 56px;
}

.about-content h2 span {
  display: block;
  white-space: nowrap;
}

.about-content > p:not(.eyebrow) {
  max-width: 500px;
  margin: 34px 0;
  color: rgba(24, 32, 27, 0.72);
}

.dark-link {
  width: fit-content;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ink);
}

.contact {
  color: var(--white);
  background: var(--leaf);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 80px;
  align-items: end;
}

.contact-actions {
  padding-bottom: 4px;
}

.contact-mail {
  position: relative;
  display: block;
  padding: 0 56px 20px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.4);
}

.contact-mail span,
.contact-mail strong {
  display: block;
}

.contact-mail span {
  margin-bottom: 6px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 12px;
}

.contact-mail strong {
  overflow-wrap: anywhere;
  font-family: var(--font-display);
  font-size: 20px;
}

.contact-mail svg {
  position: absolute;
  right: 0;
  bottom: 24px;
  width: 24px;
}

.contact-actions > p {
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.64);
  font-size: 13px;
}

.site-footer {
  padding: 54px 0;
  color: var(--white);
  background: #0e1511;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.footer-grid p,
.footer-grid a {
  margin: 0;
  color: rgba(255, 255, 255, 0.66);
  font-size: 12px;
}

.footer-grid > div > a {
  display: inline-block;
  margin-top: 8px;
  color: var(--white);
}

.footer-grid .footer-tagline {
  color: var(--white);
  font-size: 16px;
  font-weight: 700;
}

.footer-meta {
  text-align: right;
}

.footer-meta p {
  margin-top: 20px;
}

@keyframes hero-reveal {
  from {
    opacity: 0;
    transform: scale(1.05);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slide-up {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1100px) {
  .about {
    grid-template-columns: 1fr;
  }

  .about-image {
    min-height: 480px;
  }

  .about-content {
    padding: 80px 32px;
  }
}

@media (max-width: 900px) {
  .page-shell,
  .nav-shell {
    width: min(100% - 32px, 720px);
  }

  .nav-shell {
    grid-template-columns: 1fr auto;
  }

  .desktop-nav,
  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .hero {
    min-height: 760px;
  }

  .hero-content {
    padding-bottom: 230px;
  }

  .hero h1 {
    font-size: 66px;
  }

  .hero-insight {
    right: 16px;
    bottom: 28px;
    left: 16px;
    width: auto;
  }

  .signal-strip {
    justify-content: flex-start;
    overflow: hidden;
    white-space: nowrap;
  }

  .statement-grid,
  .process-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .statement-grid,
  .process-layout {
    gap: 44px;
  }

  .section-index {
    display: none;
  }

  .solution-grid {
    grid-template-columns: 1fr 1fr;
  }

  .image-card {
    grid-column: 1 / -1;
  }

  .solution-card {
    min-height: 480px;
  }

  .process-intro {
    position: static;
  }

  .about {
    grid-template-columns: 1fr;
  }

  .about-image {
    min-height: 480px;
  }

  .about-content {
    padding: 80px 32px;
  }

  .contact-layout {
    gap: 56px;
  }
}

@media (max-width: 620px) {
  .page-shell,
  .nav-shell {
    width: calc(100% - 32px);
  }

  .brand-name {
    font-size: 14px;
  }

  .hero {
    min-height: 720px;
    align-items: flex-start;
  }

  .hero-media {
    background-position: 62% center;
  }

  .hero-shade {
    background: rgba(9, 22, 14, 0.61);
  }

  .hero-content {
    padding-top: 130px;
    padding-bottom: 260px;
  }

  .hero h1 {
    font-size: 48px;
    line-height: 1.02;
  }

  .hero-copy {
    font-size: 15px;
  }

  .hero-copy br {
    display: none;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 20px;
    margin-top: 28px;
  }

  .hero-insight {
    bottom: 18px;
  }

  .signal-strip {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px 16px;
    padding: 14px 16px;
    text-align: center;
    white-space: normal;
  }

  .signal-strip svg {
    display: none;
  }

  .section {
    padding: 84px 0;
  }

  .section h2 {
    font-size: 38px;
  }

  .section h2.statement-title {
    font-size: clamp(22px, 7vw, 28px);
  }

  .eyebrow {
    margin-bottom: 18px;
  }

  .statement-grid {
    gap: 20px;
  }

  .lead-copy {
    margin: 26px 0 38px;
    font-size: 16px;
  }

  .metric-row {
    grid-template-columns: 1fr;
  }

  .metric-row > div {
    padding: 20px 0;
    border-bottom: 1px solid var(--line);
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 24px;
  }

  .section-heading > p br {
    display: none;
  }

  .solution-grid {
    grid-template-columns: 1fr;
  }

  .image-card {
    grid-column: auto;
  }

  .solution-card {
    min-height: 460px;
  }

  .process-list li {
    grid-template-columns: 36px 1fr;
    gap: 14px;
  }

  .process-list svg {
    display: none;
  }

  .about-image {
    min-height: 360px;
  }

  .about-content {
    padding: 72px 24px;
  }

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

  .footer-meta {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}