:root {
  --ink: #112033;
  --muted: #667386;
  --line: rgba(17, 32, 51, 0.13);
  --blue: #006fc9;
  --deep: #05315e;
  --teal: #009b9a;
  --green: #31a66a;
  --coral: #e2754f;
  --cream: #f6f4ed;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(17, 32, 51, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family:
    "Pretendard", "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", Arial,
    sans-serif;
  line-height: 1.6;
  background: var(--white);
}

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

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  width: 100%;
  height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(24px, 6vw, 96px);
  color: var(--white);
  transition:
    height 0.25s ease,
    background 0.25s ease,
    color 0.25s ease,
    box-shadow 0.25s ease;
}

.site-header.is-scrolled,
.site-header.menu-open {
  height: 72px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 12px 40px rgba(17, 32, 51, 0.1);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 190px;
}

.brand-mark {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  border: 2px solid currentColor;
  border-radius: 50%;
  font-weight: 900;
  letter-spacing: 0;
}

.brand-text {
  display: grid;
  line-height: 1.15;
}

.brand-text strong {
  font-size: 22px;
}

.brand-text small {
  margin-top: 4px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.75;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(24px, 4vw, 58px);
  font-size: 18px;
  font-weight: 800;
}

.nav a {
  position: relative;
  padding: 10px 0;
}

.nav a::after {
  position: absolute;
  right: 0;
  bottom: 3px;
  left: 0;
  height: 2px;
  background: currentColor;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s ease;
}

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

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 28px;
  height: 2px;
  margin: 7px auto;
  background: currentColor;
  transition: transform 0.25s ease;
}

.site-header.menu-open .menu-toggle span:first-child {
  transform: translateY(4.5px) rotate(45deg);
}

.site-header.menu-open .menu-toggle span:last-child {
  transform: translateY(-4.5px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: 94svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: var(--white);
  isolation: isolate;
}

.hero-media,
.process-media {
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    linear-gradient(90deg, rgba(5, 49, 94, 0.7), rgba(0, 111, 201, 0.12)),
    url("https://images.unsplash.com/photo-1704827466568-f63d8b395841?auto=format&fit=crop&w=2400&q=80")
      center / cover;
}

.hero-shade {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 50% 52%, rgba(0, 155, 154, 0.18), transparent 28%),
    linear-gradient(180deg, rgba(0, 20, 46, 0.26), rgba(0, 20, 46, 0.75));
}

.hero-content {
  width: min(1040px, calc(100% - 44px));
  padding-top: 80px;
  text-align: center;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.35);
}

.eyebrow {
  margin: 0 0 16px;
  color: #9ce7e3;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

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

.hero h1 {
  margin: 0;
  font-size: clamp(70px, 12vw, 178px);
  font-weight: 900;
  line-height: 0.88;
  letter-spacing: 0;
}

.hero-kicker {
  margin: 28px auto 0;
  font-size: clamp(24px, 3.2vw, 46px);
  font-weight: 900;
  line-height: 1.22;
}

.hero-copy {
  width: min(760px, 100%);
  margin: 22px auto 0;
  font-size: clamp(17px, 2vw, 23px);
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 38px;
}

.button {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  padding: 0 26px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 4px;
  font-size: 16px;
  font-weight: 900;
  transition:
    transform 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease;
}

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

.button-primary {
  border-color: var(--green);
  background: var(--green);
}

.button-ghost {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
}

.scroll-cue {
  position: absolute;
  bottom: 34px;
  left: 50%;
  display: grid;
  justify-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  transform: translateX(-50%);
}

.scroll-cue span {
  width: 26px;
  height: 42px;
  border: 2px solid currentColor;
  border-radius: 999px;
}

.scroll-cue span::after {
  display: block;
  width: 4px;
  height: 8px;
  margin: 8px auto 0;
  border-radius: 99px;
  background: currentColor;
  content: "";
  animation: scroll-dot 1.4s infinite;
}

@keyframes scroll-dot {
  50% {
    transform: translateY(10px);
  }
}

.section {
  padding: clamp(78px, 9vw, 132px) clamp(22px, 7vw, 120px);
}

.section-heading {
  max-width: 920px;
  margin-bottom: clamp(34px, 6vw, 70px);
}

.section-heading.center {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-heading h2,
.process-content h2 {
  margin: 0;
  font-size: clamp(34px, 5vw, 70px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: 0;
}

.intro {
  background:
    linear-gradient(90deg, rgba(0, 155, 154, 0.08), transparent 42%),
    var(--cream);
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: clamp(32px, 6vw, 90px);
  align-items: end;
}

.intro-copy {
  max-width: 760px;
  color: #334257;
  font-size: clamp(18px, 2vw, 23px);
  font-weight: 700;
}

.intro-copy p {
  margin: 0;
}

.intro-copy p + p {
  margin-top: 22px;
}

.metric-row {
  display: grid;
  gap: 14px;
}

.metric {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 18px;
  align-items: center;
  padding: 22px 24px;
  border-left: 5px solid var(--teal);
  background: var(--white);
  box-shadow: 0 16px 38px rgba(17, 32, 51, 0.08);
}

.metric:nth-child(2) {
  border-color: var(--green);
}

.metric:nth-child(3) {
  border-color: var(--coral);
}

.metric strong {
  color: rgba(17, 32, 51, 0.18);
  font-size: 42px;
  font-weight: 900;
  line-height: 1;
}

.metric span {
  font-size: 21px;
  font-weight: 900;
}

.business-grid {
  display: grid;
  gap: clamp(54px, 8vw, 110px);
}

.business-item {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
}

.business-item.reverse {
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.82fr);
}

.business-item.reverse img {
  order: 2;
}

.business-item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 6px;
  box-shadow: var(--shadow);
}

.label {
  margin: 0 0 10px;
  color: var(--teal);
  font-size: 18px;
  font-weight: 900;
}

.business-item h3 {
  margin: 0;
  font-size: clamp(32px, 4.2vw, 58px);
  font-weight: 900;
  line-height: 1.08;
}

.business-item p:not(.label) {
  margin: 20px 0 0;
  color: #445167;
  font-size: clamp(17px, 1.8vw, 22px);
  font-weight: 700;
}

.business-item ul {
  display: grid;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  color: #35445a;
  font-size: 18px;
  font-weight: 800;
}

.business-item li {
  position: relative;
  padding-left: 22px;
}

.business-item li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  content: "";
}

.products {
  background:
    linear-gradient(140deg, rgba(5, 49, 94, 0.96), rgba(0, 111, 201, 0.84) 46%, rgba(49, 166, 106, 0.9)),
    var(--deep);
  color: var(--white);
}

.products .eyebrow.dark {
  color: #b8fff3;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.product-card {
  min-height: 268px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
}

.product-card.accent {
  background: rgba(0, 155, 154, 0.34);
}

.product-card.warm {
  background: rgba(226, 117, 79, 0.32);
}

.product-number {
  margin-bottom: auto;
  color: rgba(255, 255, 255, 0.42);
  font-size: 46px;
  font-weight: 900;
  line-height: 1;
}

.product-card h3 {
  margin: 38px 0 12px;
  font-size: 25px;
  line-height: 1.2;
}

.product-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 16px;
  font-weight: 700;
}

.process {
  position: relative;
  min-height: 720px;
  display: grid;
  align-items: center;
  padding: clamp(88px, 11vw, 160px) clamp(22px, 7vw, 120px);
  overflow: hidden;
  color: var(--white);
  isolation: isolate;
}

.process-media {
  background:
    linear-gradient(90deg, rgba(5, 49, 94, 0.94), rgba(5, 49, 94, 0.38)),
    url("https://images.unsplash.com/photo-1759414942543-384876510de1?auto=format&fit=crop&w=2200&q=80")
      center / cover;
}

.process-content {
  width: min(760px, 100%);
}

.process-content ol {
  display: grid;
  gap: 16px;
  margin: 44px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: process;
}

.process-content li {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 18px;
  align-items: start;
  padding: 18px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.24);
}

.process-content li::before {
  color: #9ce7e3;
  font-size: 28px;
  font-weight: 900;
  counter-increment: process;
  content: "0" counter(process);
}

.process-content strong,
.process-content span {
  grid-column: 2;
}

.process-content strong {
  font-size: 22px;
}

.process-content span {
  margin-top: -4px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 17px;
  font-weight: 700;
}

.notice-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.95fr);
  gap: clamp(24px, 4vw, 54px);
  align-items: start;
  background: #f8fafc;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 26px;
}

.panel-head h2 {
  margin: 0;
  font-size: clamp(34px, 4vw, 56px);
  font-weight: 900;
  letter-spacing: 0;
}

.panel-head a {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border: 2px solid currentColor;
  font-size: 36px;
  line-height: 1;
}

.notice-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.notice-list li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: center;
  min-height: 74px;
  border-bottom: 1px solid var(--line);
}

.notice-list a {
  position: relative;
  min-width: 0;
  overflow: hidden;
  padding-left: 22px;
  color: #596271;
  font-size: 19px;
  font-weight: 900;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.notice-list a::before {
  position: absolute;
  top: 50%;
  left: 0;
  width: 9px;
  height: 9px;
  background: var(--teal);
  content: "";
  transform: translateY(-50%);
}

.notice-list time {
  color: #3d4652;
  font-size: 16px;
  font-weight: 700;
}

.contact-box {
  min-height: 340px;
  padding: clamp(28px, 5vw, 52px);
  border-radius: 6px;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(0, 111, 201, 0.96), rgba(0, 155, 154, 0.88)),
    var(--blue);
  box-shadow: var(--shadow);
}

.contact-phone {
  display: inline-block;
  margin-bottom: 28px;
  font-size: clamp(36px, 5vw, 62px);
  font-weight: 900;
  line-height: 1;
  text-shadow: 0 3px 0 rgba(5, 49, 94, 0.35);
}

.contact-box dl {
  display: grid;
  gap: 12px;
  margin: 0;
}

.contact-box div {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 12px;
}

.contact-box dt,
.contact-box dd {
  margin: 0;
  font-size: 18px;
  font-weight: 800;
}

.contact-box dt {
  color: rgba(255, 255, 255, 0.72);
}

.footer {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(320px, 1.1fr) auto;
  gap: 28px;
  align-items: start;
  padding: 44px clamp(22px, 7vw, 120px);
  color: rgba(255, 255, 255, 0.76);
  background: #0c1d30;
}

.footer-brand {
  display: grid;
  gap: 8px;
}

.footer-brand strong {
  color: var(--white);
  font-size: 24px;
}

.footer address {
  font-style: normal;
}

.footer p {
  margin: 0;
  white-space: nowrap;
}

@media (max-width: 1060px) {
  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .footer p {
    white-space: normal;
  }
}

@media (max-width: 880px) {
  .site-header {
    height: 72px;
    padding: 0 20px;
  }

  .brand {
    min-width: 0;
  }

  .brand-mark {
    width: 44px;
    height: 44px;
    font-size: 14px;
  }

  .brand-text strong {
    font-size: 18px;
  }

  .brand-text small {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .nav {
    position: fixed;
    top: 72px;
    right: 0;
    left: 0;
    display: grid;
    gap: 0;
    padding: 10px 20px 22px;
    color: var(--ink);
    background: rgba(255, 255, 255, 0.97);
    box-shadow: 0 22px 45px rgba(17, 32, 51, 0.12);
    transform: translateY(-130%);
    transition: transform 0.25s ease;
  }

  .site-header.menu-open .nav {
    transform: translateY(0);
  }

  .nav a {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
  }

  .nav a::after {
    display: none;
  }

  .intro-grid,
  .business-item,
  .business-item.reverse {
    grid-template-columns: 1fr;
  }

  .business-item.reverse img {
    order: 0;
  }
}

@media (max-width: 640px) {
  .hero {
    min-height: 760px;
  }

  .hero-content {
    text-align: left;
  }

  .hero h1 {
    font-size: clamp(64px, 20vw, 98px);
  }

  .hero-actions {
    justify-content: flex-start;
  }

  .button {
    width: 100%;
  }

  .scroll-cue {
    display: none;
  }

  .section {
    padding: 72px 20px;
  }

  .metric {
    grid-template-columns: 58px 1fr;
    padding: 18px;
  }

  .metric strong {
    font-size: 32px;
  }

  .metric span {
    font-size: 18px;
  }

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

  .product-card {
    min-height: 220px;
  }

  .process {
    min-height: auto;
    padding: 84px 20px;
  }

  .process-content li {
    grid-template-columns: 46px 1fr;
  }

  .notice-list li {
    grid-template-columns: 1fr;
    gap: 0;
    padding: 18px 0;
  }

  .notice-list a {
    white-space: normal;
  }

  .contact-box div {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .footer {
    padding: 36px 20px;
  }
}