@charset "UTF-8";

:root {
  --bg: #06131f;
  --bg-deep: #04101a;
  --panel: rgba(11, 26, 40, 0.72);
  --panel-soft: rgba(255, 255, 255, 0.08);
  --line: rgba(255, 255, 255, 0.12);
  --text: #eaf6ff;
  --text-soft: #a9c1d2;
  --blue: #23a6ff;
  --blue-deep: #0b73c9;
  --green: #7fdc38;
  --green-deep: #59b323;
  --glow-blue: rgba(35, 166, 255, 0.26);
  --glow-green: rgba(127, 220, 56, 0.22);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --max-width: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Pretendard", "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(35, 166, 255, 0.10), transparent 24%),
    radial-gradient(circle at top right, rgba(127, 220, 56, 0.08), transparent 22%),
    linear-gradient(180deg, #07131f 0%, #06131f 45%, #081b2c 100%);
  color: var(--text);
  line-height: 1.5;
  overflow-x: hidden;
}

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

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

.page-bg {
  position: fixed;
  inset: 0;
  z-index: -3;
  overflow: hidden;
}

.aurora {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.7;
}

.aurora-1 {
  width: 520px;
  height: 520px;
  left: -120px;
  top: -100px;
  background: rgba(35, 166, 255, 0.14);
}

.aurora-2 {
  width: 460px;
  height: 460px;
  right: -120px;
  top: 80px;
  background: rgba(127, 220, 56, 0.10);
}

.grid-light {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, rgba(255,255,255,0.35), transparent 70%);
}

.container {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
}

.header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(4, 15, 24, 0.62);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  position: relative;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
  z-index: 3;
}

.brand-logo {
  width: 66px;
  height: auto;
  filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.25));
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-copy strong {
  font-size: 1.3rem;
  font-weight: 800;
  color: #ffffff;
}

.brand-copy span {
  font-size: 0.84rem;
  color: var(--text-soft);
}

.menu-toggle {
  display: none;
}

.hamburger {
  display: none;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.04);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  position: relative;
  z-index: 3;
}

.hamburger span {
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: #eef8ff;
  transition: 0.25s ease;
}

.gnb {
  display: flex;
  align-items: center;
  gap: 28px;
}

.gnb a {
  position: relative;
  font-weight: 600;
  color: #d8ebf8;
  font-size: 0.96rem;
}

.gnb a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -7px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), var(--green));
  transition: width 0.25s ease;
}

.gnb a:hover::after {
  width: 100%;
}

.hero {
  padding: 20px 0 8px;
}

.hero-inner {
  min-height: calc(100vh - 90px);
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 24px;
  align-items: center;
}

.hero-copy {
  padding-right: 6px;
}

.hero-kicker,
.section-kicker {
  display: inline-block;
  margin: 0 0 10px;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  font-weight: 800;
  text-transform: uppercase;
  color: #7ccfff;
}

.hero-title {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
  font-weight: 900;
}

.hero-title span {
  display: inline-block;
  background: linear-gradient(90deg, #ffffff 0%, #7bd1ff 45%, #98ef5b 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmerText 5s linear infinite;
  background-size: 220% auto;
}

.hero-desc {
  margin: 16px 0 0;
  max-width: 620px;
  font-size: 1rem;
  color: var(--text-soft);
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.btn {
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.96rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--green));
  box-shadow: 0 16px 32px rgba(16, 109, 184, 0.28);
}

.btn-secondary {
  color: #e9f5ff;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.10);
}

.hero-visual {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ocean {
  position: absolute;
  left: 50%;
  bottom: 42px;
  transform: translateX(-50%);
  width: 92%;
  height: 210px;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, rgba(26, 108, 176, 0.22), rgba(5, 18, 30, 0.06) 64%, transparent 74%);
  filter: blur(6px);
}

.route {
  position: absolute;
  top: 52%;
  width: 160px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(35,166,255,0.1), rgba(127,220,56,0.75), rgba(35,166,255,0.1));
  box-shadow: 0 0 24px rgba(35, 166, 255, 0.35);
}

.route-left {
  left: 50px;
}

.route-right {
  right: 50px;
}

.port {
  position: absolute;
  top: calc(52% - 20px);
  width: 98px;
  height: 98px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.03));
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow:
    0 0 0 10px rgba(255,255,255,0.02),
    0 0 30px rgba(35,166,255,0.16);
  backdrop-filter: blur(10px);
}

.port span {
  font-weight: 900;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  color: #f2fbff;
}

.port-left {
  left: 0;
}

.port-right {
  right: 0;
}

.ship-wrap {
  position: relative;
  width: 390px;
  height: 470px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ship-glow {
  position: absolute;
  width: 290px;
  height: 290px;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(35,166,255,0.22), rgba(127,220,56,0.14), transparent 70%);
  filter: blur(16px);
  animation: pulseGlow 4.2s ease-in-out infinite;
}

.ship {
  position: relative;
  width: 320px;
  height: 400px;
}

.mast {
  position: absolute;
  left: 50%;
  top: 32px;
  transform: translateX(-50%);
  width: 6px;
  height: 190px;
  border-radius: 999px;
  background: linear-gradient(180deg, #d8f4ff, #7ccfff);
  box-shadow: 0 0 20px rgba(124, 207, 255, 0.5);
}

.sail {
  position: absolute;
  top: 42px;
  border: 2px solid rgba(151, 232, 255, 0.7);
  background: linear-gradient(180deg, rgba(255,255,255,0.16), rgba(35,166,255,0.06));
  box-shadow: inset 0 0 30px rgba(255,255,255,0.05), 0 0 24px rgba(35,166,255,0.18);
}

.sail-left {
  left: 54px;
  width: 122px;
  height: 176px;
  clip-path: polygon(100% 0, 12% 100%, 100% 100%);
}

.sail-right {
  right: 54px;
  width: 122px;
  height: 176px;
  clip-path: polygon(0 0, 0 100%, 88% 100%);
}

.logo-core {
  position: absolute;
  left: 50%;
  top: 114px;
  transform: translateX(-50%);
  width: 110px;
  height: 110px;
  border-radius: 50%;
  padding: 10px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.12), rgba(255,255,255,0.05));
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow:
    0 0 24px rgba(35,166,255,0.20),
    0 0 40px rgba(127,220,56,0.10);
  backdrop-filter: blur(10px);
}

.logo-core img {
  width: 100%;
  height: auto;
}

.hull {
  position: absolute;
  left: 50%;
  bottom: 48px;
  transform: translateX(-50%);
  width: 240px;
  height: 68px;
  background: linear-gradient(180deg, #d3e3ef 0%, #8ca7bb 100%);
  clip-path: polygon(10% 0, 100% 0, 82% 100%, 0 100%);
  border-radius: 0 0 24px 24px;
  box-shadow: 0 18px 28px rgba(0,0,0,0.20);
}

.deck {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(180deg, #f8fdff, #bfd5e6);
  border-radius: 20px;
  box-shadow: 0 8px 18px rgba(0,0,0,0.14);
}

.deck-1 {
  bottom: 98px;
  width: 154px;
  height: 30px;
}

.deck-2 {
  bottom: 132px;
  width: 108px;
  height: 24px;
}

.signal {
  position: absolute;
  top: 51%;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--green));
  box-shadow: 0 0 20px rgba(35,166,255,0.6);
  animation: signalMove 3.6s linear infinite;
}

.signal-1 {
  left: 130px;
  animation-delay: 0s;
}

.signal-2 {
  left: 170px;
  animation-delay: 1.2s;
}

.signal-3 {
  left: 210px;
  animation-delay: 2.4s;
}

.section {
  padding: 54px 0;
}

.service.section {
  padding-top: 24px;
}

.section-head {
  margin-bottom: 20px;
}

.section-head.center {
  text-align: center;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.service-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(4, 1fr);
}

.service-box,
.route-box,
.contact-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.service-box {
  border-radius: var(--radius-lg);
  padding: 22px 20px;
}

.service-box h3 {
  margin: 0 0 8px;
  font-size: 1.16rem;
}

.service-box p {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.route-box {
  border-radius: 26px;
  padding: 24px;
}

.route-copy {
  margin-bottom: 14px;
}

.route-copy h2 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.2;
}

.route-steps {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.step {
  min-width: 140px;
  padding: 16px 14px;
  border-radius: 18px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  text-align: center;
}

.step strong {
  display: block;
  color: #85d3ff;
  font-size: 0.82rem;
  margin-bottom: 4px;
}

.step span {
  font-size: 1.04rem;
  font-weight: 800;
}

.step-line {
  flex: 1;
  min-width: 28px;
  height: 2px;
  background: linear-gradient(90deg, rgba(35,166,255,0.22), rgba(127,220,56,0.72), rgba(35,166,255,0.22));
  box-shadow: 0 0 18px rgba(35,166,255,0.22);
}

.contact-panel {
  border-radius: var(--radius-xl);
  padding: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.contact-copy h2 {
  margin: 0 0 8px;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  line-height: 1.18;
}

.contact-copy p {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.98rem;
}

.contact-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  flex-shrink: 0;
}

.footer {
  padding: 22px 0 28px;
  border-top: 1px solid rgba(255,255,255,0.08);
  background: rgba(0,0,0,0.12);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.footer strong {
  display: block;
  margin-bottom: 3px;
  font-size: 1rem;
}

.footer p,
.footer span {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.92rem;
}

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

@keyframes shimmerText {
  0% { background-position: 0% center; }
  100% { background-position: 220% center; }
}

@keyframes pulseGlow {
  0%, 100% {
    transform: scale(1);
    opacity: 0.8;
  }
  50% {
    transform: scale(1.08);
    opacity: 1;
  }
}

@keyframes signalMove {
  0% {
    transform: translateX(0) scale(0.8);
    opacity: 0;
  }
  15% {
    opacity: 1;
  }
  50% {
    transform: translateX(84px) scale(1);
    opacity: 1;
  }
  100% {
    transform: translateX(168px) scale(0.8);
    opacity: 0;
  }
}

@media (max-width: 1100px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .hero-copy {
    padding-right: 0;
  }

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

  .service-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-panel {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 860px) {
  .container {
    width: min(100% - 24px, var(--max-width));
  }

  .header-inner {
    min-height: 72px;
  }

  .hamburger {
    display: inline-flex;
  }

  .gnb {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    background: rgba(5, 18, 29, 0.96);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.35);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: 0.25s ease;
    pointer-events: none;
  }

  .gnb a {
    padding: 14px 16px;
    border-radius: 14px;
    font-size: 1rem;
  }

  .gnb a:hover {
    background: rgba(255,255,255,0.05);
  }

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

  .menu-toggle:checked + .hamburger span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .menu-toggle:checked + .hamburger span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle:checked + .hamburger span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .menu-toggle:checked + .hamburger + .gnb {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }

  .hero {
    padding: 18px 0 0;
  }

  .hero-inner {
    min-height: auto;
    gap: 18px;
  }

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

  .hero-title {
    font-size: clamp(2rem, 9vw, 3rem);
    line-height: 1.06;
  }

  .hero-desc {
    font-size: 0.96rem;
  }

  .hero-actions {
    flex-direction: column;
    gap: 10px;
  }

  .btn {
    width: 100%;
  }

  .hero-visual {
    min-height: 410px;
  }

  .ship-wrap {
    width: 290px;
    height: 340px;
  }

  .ship {
    transform: scale(0.72);
    transform-origin: center center;
  }

  .route-left {
    left: 20px;
    width: 88px;
  }

  .route-right {
    right: 20px;
    width: 88px;
  }

  .port {
    width: 74px;
    height: 74px;
    top: calc(52% - 16px);
  }

  .port span {
    font-size: 0.68rem;
    letter-spacing: 0.08em;
  }

  .signal-1 {
    left: 92px;
  }

  .signal-2 {
    left: 124px;
  }

  .signal-3 {
    left: 156px;
  }

  .section {
    padding: 42px 0;
  }

  .service.section {
    padding-top: 16px;
  }

  .section-head {
    margin-bottom: 16px;
  }

  .section-head h2,
  .route-copy h2,
  .contact-copy h2 {
    font-size: 1.6rem;
  }

  .service-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .service-box,
  .route-box,
  .contact-panel {
    padding: 20px 16px;
  }

  .route-steps {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .step {
    width: 100%;
    min-width: 0;
    padding: 14px 12px;
  }

  .step-line {
    width: 2px;
    height: 18px;
    min-width: auto;
    margin: 0 auto;
  }

  .contact-actions {
    width: 100%;
    flex-direction: column;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

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

@media (max-width: 480px) {
  .brand-logo {
    width: 54px;
  }

  .brand-copy strong {
    font-size: 1.1rem;
  }

  .brand-copy span {
    font-size: 0.78rem;
  }

  .hamburger {
    width: 42px;
    height: 42px;
  }

  .hero-title {
    font-size: 2.15rem;
  }

  .hero-kicker,
  .section-kicker {
    font-size: 0.72rem;
    letter-spacing: 0.14em;
  }

  .hero-desc,
  .service-box p,
  .contact-copy p {
    font-size: 0.93rem;
  }

  .hero-visual {
    min-height: 360px;
  }

  .ship-wrap {
    width: 250px;
    height: 300px;
  }

  .ship {
    transform: scale(0.62);
  }

  .port {
    width: 64px;
    height: 64px;
  }

  .route-left,
  .route-right {
    width: 72px;
  }

  .route-left {
    left: 10px;
  }

  .route-right {
    right: 10px;
  }

  .ocean {
    width: 100%;
    height: 160px;
    bottom: 20px;
  }
}