:root {
  --bg: #f3f8fc;
  --surface: #ffffff;
  --surface-soft: rgba(255, 255, 255, 0.72);
  --text: #0f172a;
  --muted: #475569;
  --line: #d9e6f1;
  --line-soft: rgba(255,255,255,0.16);
  --blue-900: #0b2744;
  --blue-800: #0f4f8a;
  --blue-700: #0b7ac7;
  --cyan-500: #31c6de;
  --cyan-300: #9befff;
  --shadow-lg: 0 22px 55px rgba(15, 23, 42, 0.1);
  --shadow-md: 0 12px 28px rgba(15, 23, 42, 0.08);
  --radius-xl: 32px;
  --radius-lg: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(80, 195, 255, 0.10), transparent 34%),
    linear-gradient(180deg, #f5fbff 0%, #f3f8fc 100%);
  color: var(--text);
  line-height: 1.75;
  word-break: keep-all;
  overflow-wrap: normal;
  letter-spacing: -0.02em;
}

a { color: inherit; }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(217, 230, 241, 0.85);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 82px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--blue-700), var(--cyan-500));
  color: #fff;
  font-size: 22px;
  box-shadow: 0 12px 24px rgba(11, 122, 199, 0.25);
}

.brand strong {
  display: block;
  font-size: 20px;
  line-height: 1.1;
  color: var(--blue-800);
}

.brand small {
  display: block;
  margin-top: 3px;
  font-size: 12px;
  color: #5b7086;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
}

nav a {
  text-decoration: none;
  color: #334155;
  font-size: 15px;
  font-weight: 700;
}

.nav-call {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 132px;
  padding: 12px 18px;
  border-radius: 999px;
  text-decoration: none;
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--blue-700), var(--cyan-500));
  box-shadow: 0 14px 26px rgba(11, 122, 199, 0.22);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 84px 0 110px;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(10, 34, 64, 0.97), rgba(14, 86, 145, 0.93) 50%, rgba(21, 132, 198, 0.93));
}

.hero-grid {
  position: absolute;
  inset: 0;
  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);
  background-size: 36px 36px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,0.85), transparent 90%);
  opacity: 0.28;
}

.hero-orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(72px);
  opacity: 0.44;
}

.hero-orb-1 {
  width: 360px;
  height: 360px;
  right: -50px;
  top: -30px;
  background: rgba(122, 230, 255, 0.7);
}

.hero-orb-2 {
  width: 260px;
  height: 260px;
  left: -30px;
  bottom: -20px;
  background: rgba(255, 255, 255, 0.35);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 44px;
  align-items: center;
}

.hero-chip,
.eyebrow {
  display: inline-block;
  margin: 0 0 18px;
  padding: 9px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.1);
  color: #dff7ff;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow {
  background: linear-gradient(135deg, rgba(49, 198, 222, 0.14), rgba(11, 122, 199, 0.09));
  border: 1px solid rgba(49, 198, 222, 0.16);
  color: var(--blue-700);
}

.hero h1 {
  margin: 0;
  font-size: clamp(42px, 7vw, 76px);
  line-height: 1.04;
  font-weight: 900;
  letter-spacing: -0.045em;
}

.hero h1 span {
  color: var(--cyan-300);
}

.hero-desc {
  max-width: 700px;
  margin-top: 22px;
  color: rgba(255,255,255,0.86);
  font-size: 18px;
  line-height: 1.95;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 24px;
  border-radius: 18px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 800;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

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

.btn-primary {
  background: linear-gradient(135deg, #ffffff, #e9fbff);
  color: var(--blue-800);
  box-shadow: 0 16px 32px rgba(6, 28, 52, 0.18);
}

.btn-secondary {
  background: rgba(255,255,255,0.10);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.24);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 30px;
  max-width: 760px;
}

.metric-card {
  padding: 18px 18px 16px;
  border-radius: 22px;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
}

.metric-card strong {
  display: block;
  font-size: 18px;
  line-height: 1.3;
}

.metric-card span {
  display: block;
  margin-top: 6px;
  color: rgba(255,255,255,0.7);
  font-size: 13px;
}

.hero-panel {
  position: relative;
}

.hero-panel-card {
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(255,255,255,0.2), rgba(255,255,255,0.1));
  border: 1px solid rgba(255,255,255,0.16);
  backdrop-filter: blur(16px);
  box-shadow: 0 28px 60px rgba(6, 24, 42, 0.22);
}

.hero-panel-main {
  padding: 30px;
}

.panel-top {
  display: flex;
  align-items: center;
  gap: 14px;
}

.panel-icon {
  width: 60px;
  height: 60px;
  display: grid;
  place-items: center;
  border-radius: 20px;
  background: #fff;
  color: var(--blue-700);
  font-size: 28px;
  box-shadow: 0 12px 24px rgba(4, 32, 55, 0.12);
}

.panel-label {
  margin: 0 0 5px;
  color: rgba(255,255,255,0.68);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.hero-panel-main strong {
  display: block;
  font-size: 24px;
  line-height: 1.25;
}

.hero-panel-main > p {
  margin: 18px 0 0;
  color: rgba(255,255,255,0.76);
  line-height: 1.85;
}

.panel-mini-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.panel-mini-grid div {
  padding: 16px;
  border-radius: 20px;
  background: rgba(255,255,255,0.09);
  border: 1px solid rgba(255,255,255,0.08);
}

.panel-mini-grid b {
  display: block;
  margin-bottom: 7px;
  font-size: 18px;
}

.panel-mini-grid span {
  display: block;
  color: rgba(255,255,255,0.7);
  font-size: 13px;
  line-height: 1.65;
}

.hero-floating-note {
  width: fit-content;
  margin-top: 16px;
  margin-left: auto;
  padding: 14px 18px;
  font-size: 14px;
  color: rgba(255,255,255,0.86);
}

.dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 8px;
  border-radius: 999px;
  background: #77ffbf;
  box-shadow: 0 0 16px rgba(119,255,191,0.65);
}

.section {
  padding: 96px 0;
}

.section-intro {
  margin-top: -42px;
  padding-top: 0;
  position: relative;
  z-index: 2;
}

.intro-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.intro-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 24px;
  border-radius: 28px;
  background: rgba(255,255,255,0.9);
  border: 1px solid rgba(217, 230, 241, 0.9);
  box-shadow: var(--shadow-md);
}

.intro-item span {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(11,122,199,0.14), rgba(49,198,222,0.12));
  color: var(--blue-700);
  font-size: 16px;
  font-weight: 900;
  flex: 0 0 auto;
}

.intro-item strong {
  display: block;
  font-size: 17px;
  line-height: 1.4;
}

.intro-item p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.section-head {
  margin-bottom: 34px;
}

.split-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 26px;
}

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

.center-head .eyebrow,
.center-head h2 {
  margin-left: auto;
  margin-right: auto;
}

.section-head h2,
.contact-card h2,
.why-copy h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 50px);
  line-height: 1.16;
  letter-spacing: -0.04em;
}

.section-copy,
.why-desc,
.contact-card p {
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.9;
}

.split-head .section-copy {
  max-width: 470px;
  text-align: left;
}

.service-grid,
.process-grid {
  display: grid;
  gap: 18px;
}

.service-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.service-card {
  position: relative;
  overflow: hidden;
  min-height: 280px;
  padding: 28px;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, #ffffff, #f7fbff);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
}

.service-card::after {
  content: "";
  position: absolute;
  inset: auto -30px -30px auto;
  width: 110px;
  height: 110px;
  border-radius: 999px;
  opacity: 0.14;
}

.accent-a::after { background: #31c6de; }
.accent-b::after { background: #0b7ac7; }
.accent-c::after { background: #5cc9ff; }
.accent-d::after { background: #8be6ff; }

.service-icon {
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(11,122,199,0.12), rgba(49,198,222,0.12));
  font-size: 28px;
}

.service-card h3,
.process-card h3 {
  margin: 18px 0 10px;
  font-size: 23px;
  line-height: 1.35;
}

.service-card p,
.process-card p,
.review-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.9;
}

.pricing-section {
  background: linear-gradient(180deg, rgba(255,255,255,0.42), rgba(255,255,255,0.86));
}

.premium-pricing-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.price-card {
  position: relative;
  overflow: hidden;
  padding: 28px 18px;
  text-align: center;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
}

.price-card.featured {
  background: linear-gradient(135deg, var(--blue-700), var(--cyan-500));
  color: #fff;
}

.price-card.dark {
  background: linear-gradient(135deg, #0f172a, #12365b);
  color: #fff;
}

.price-card span {
  display: block;
  margin-bottom: 10px;
  font-size: 14px;
  line-height: 1.55;
  color: inherit;
  opacity: 0.78;
  font-weight: 700;
}

.price-card strong {
  display: block;
  font-size: 28px;
  line-height: 1.3;
}

.photos-section {
  background: radial-gradient(circle at top right, rgba(49,198,222,0.08), transparent 28%);
}

.premium-photo-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 18px;
}

.photo-tile {
  position: relative;
  overflow: hidden;
  border-radius: 30px;
  min-height: 280px;
  box-shadow: var(--shadow-lg);
}

.photo-tile.wide { grid-column: span 7; }
.photo-tile.tall { grid-column: span 5; }
.photo-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.photo-tile::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 35%, rgba(3, 15, 28, 0.72) 100%);
}

.photo-tile figcaption {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 18px;
  z-index: 1;
  color: #fff;
  font-size: 16px;
  font-weight: 800;
}

.photo-tile figcaption span {
  display: inline-block;
  margin-right: 10px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.16);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.why-section {
  background: linear-gradient(135deg, #071829, #0b2744 48%, #0d4a78 100%);
  color: #fff;
}

.why-layout {
  display: grid;
  grid-template-columns: 1fr 0.95fr;
  gap: 26px;
  align-items: center;
}

.why-section .eyebrow {
  color: #b8f7ff;
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.08);
}

.why-desc {
  color: rgba(255,255,255,0.78);
}

.why-card {
  padding: 28px;
  border-radius: 30px;
  background: linear-gradient(180deg, rgba(255,255,255,0.12), rgba(255,255,255,0.08));
  border: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(12px);
}

.check-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.check-item:last-child { border-bottom: 0; }

.check-item span {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(155, 239, 255, 0.14);
  color: #b8f7ff;
  font-weight: 900;
  flex: 0 0 auto;
}

.check-item p {
  margin: 0;
  color: rgba(255,255,255,0.9);
  font-weight: 700;
  line-height: 1.8;
}

.reviews-section {
  background: linear-gradient(180deg, #f8fbff, #eef6fb);
}

.reviews-head {
  align-items: center;
}

.slider-controls {
  display: flex;
  gap: 10px;
}

.slider-btn {
  width: 48px;
  height: 48px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,0.9);
  color: var(--text);
  font-size: 26px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-md);
}

.review-slider {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(320px, 370px);
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  padding-bottom: 8px;
}

.review-slider::-webkit-scrollbar { height: 10px; }
.review-slider::-webkit-scrollbar-thumb {
  background: #c7d8e5;
  border-radius: 999px;
}

.review-card {
  min-height: 248px;
  padding: 28px;
  border-radius: 28px;
  background: linear-gradient(180deg, #ffffff, #f8fcff);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  scroll-snap-align: start;
}

.stars {
  margin: 0 0 14px !important;
  color: #f59e0b !important;
  font-size: 20px;
  letter-spacing: 2px;
}

.process-section {
  background: linear-gradient(180deg, rgba(255,255,255,0.86), rgba(255,255,255,0.56));
}

.process-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.process-card {
  padding: 28px;
  border-radius: 28px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
}

.process-card span {
  display: inline-block;
  margin-bottom: 14px;
  font-size: 46px;
  line-height: 1;
  color: var(--blue-700);
  font-weight: 900;
}

.contact-section {
  background: linear-gradient(180deg, transparent, rgba(49,198,222,0.06));
}

.contact-wrap {
  display: grid;
  justify-items: center;
}

.contact-card {
  width: min(820px, 100%);
  padding: 44px 42px;
  text-align: center;
  border-radius: 34px;
  background: linear-gradient(135deg, #08203a, #0f4f8a 58%, #14a9cd 100%);
  color: #fff;
  box-shadow: 0 28px 60px rgba(9, 41, 72, 0.22);
}

.contact-card .eyebrow {
  color: #dffbff;
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.1);
}

.contact-card p {
  color: rgba(255,255,255,0.82);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.center-actions {
  justify-content: center;
}

.contact-cta {
  min-width: 260px;
}

.site-footer {
  padding: 30px 0;
  background: rgba(255,255,255,0.86);
  border-top: 1px solid var(--line);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: #678097;
  font-size: 14px;
}

@media (min-width: 900px) {
  .hero-inner { grid-template-columns: 1.12fr 0.88fr; }
}

@media (max-width: 1180px) {
  .service-grid,
  .process-grid,
  .premium-pricing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .service-grid .service-card:last-child,
  .premium-pricing-grid .price-card:last-child {
    grid-column: span 2;
  }

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

  .photo-tile.wide,
  .photo-tile.tall {
    grid-column: auto;
  }
}

@media (max-width: 899px) {
  nav,
  .nav-call {
    display: none;
  }

  .container {
    width: min(1180px, calc(100% - 28px));
  }

  .hero {
    padding: 72px 0 88px;
  }

  .hero-inner,
  .why-layout,
  .intro-strip {
    grid-template-columns: 1fr;
  }

  .hero-desc {
    font-size: 16px;
    line-height: 1.9;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
    max-width: 100%;
  }

  .hero-floating-note {
    margin-left: 0;
  }

  .split-head,
  .reviews-head {
    display: block;
  }

  .split-head .section-copy {
    max-width: 100%;
  }

  .slider-controls {
    margin-top: 18px;
  }
}

@media (max-width: 759px) {
  .section {
    padding: 74px 0;
  }

  .intro-item,
  .service-card,
  .review-card,
  .process-card,
  .contact-card,
  .price-card {
    border-radius: 24px;
  }

  .service-grid,
  .process-grid,
  .premium-pricing-grid,
  .premium-photo-grid {
    grid-template-columns: 1fr;
  }

  .service-grid .service-card:last-child,
  .premium-pricing-grid .price-card:last-child {
    grid-column: auto;
  }

  .panel-mini-grid {
    grid-template-columns: 1fr;
  }

  .review-slider {
    grid-auto-columns: 88%;
  }

  .photo-tile {
    min-height: 240px;
  }

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

  .contact-card {
    padding: 34px 22px;
  }
}