:root {
  --blue: #326af6;
  --navy: #0b2746;
  --muted: #657184;
  --shadow: 0 14px 40px rgba(46, 86, 178, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Pretendard, Arial, sans-serif;
  color: var(--navy);
  background: #fff;
  line-height: 1.55;
}

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

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

.section {
  padding: 88px 0;
}

.section--soft {
  background: linear-gradient(180deg, #fff 0%, #f7f9ff 100%);
}

.center {
  text-align: center;
}

.section-kicker,
.eyebrow {
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: #5380ee;
}

.section-head {
  margin-bottom: 38px;
}

.section h2 {
  margin: 9px 0 10px;
  font-size: 34px;
  line-height: 1.25;
  letter-spacing: -0.035em;
}

.section h2 em {
  font-style: normal;
  color: var(--blue);
}

.section-desc {
  margin: 0 auto;
  color: var(--muted);
  font-size: 15px;
  max-width: 760px;
}

.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(125deg, #1fa8ed 0%, #3a73df 44%, #4b20a9 100%);
  color: #fff;
  min-height: 600px;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -5% -25% 35%;
  height: 310px;
  background: radial-gradient(ellipse, rgba(93, 205, 255, 0.3), transparent 65%);
  filter: blur(20px);
}

.hero__glow {
  position: absolute;
  width: 620px;
  height: 620px;
  border-radius: 50%;
  right: -160px;
  top: -250px;
  background: rgba(160, 210, 255, 0.18);
  filter: blur(10px);
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.28fr 0.72fr;
  align-items: center;
  min-height: 600px;
  gap: 18px;
}

.hero__copy {
  padding: 40px 0;
}

.eyebrow {
  color: #95e7ff;
  margin: 0 0 22px;
}

.hero h1 {
  font-size: 37px;
  line-height: 1.3;
  letter-spacing: -0.04em;
  margin: 0 0 8px;
}

.product-name {
  display: block;
  color: #7bf0ff;
  font-size: 43px;
  margin-bottom: 30px;
}

.hero__desc {
  max-width: 600px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 28px;
}

.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 120px;
  height: 44px;
  padding: 0 24px;
  border-radius: 24px;
  background: #fff;
  color: #24457b;
  text-decoration: none;
  font-size: 14px;
  font-weight: 800;
  box-shadow: 0 9px 25px rgba(20, 20, 80, 0.2);
  transition: 0.25s;
}

.cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 30px rgba(20, 20, 80, 0.27);
}

.hero__visual img {
  width: 100%;
  max-width: 500px;
  margin-left: auto;
  filter: drop-shadow(0 30px 50px rgba(25, 28, 100, 0.28));
}

.intro {
  padding: 70px 0;
  background: #f4f6fa;
}

.intro h2 {
  font-size: 31px;
}

.image-panel {
  background: #fff;
  border-radius: 24px;
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid #edf1fb;
}

.image-panel--clean {
  box-shadow: none;
  border: 0;
  background: transparent;
  padding: 0;
}

.image-panel img {
  width: 100%;
}

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

.feature-card {
  position: relative;
  background: #fff;
  border: 1px solid #cad7f6;
  border-radius: 16px;
  padding: 42px 24px 26px;
  text-align: center;
  box-shadow: 0 8px 20px rgba(45, 85, 170, 0.08);
  transition: 0.25s;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 18px 35px rgba(45, 85, 170, 0.15);
}

.feature-card .num {
  position: absolute;
  top: 12px;
  left: 14px;
  border-radius: 7px;
  padding: 3px 9px;
  background: var(--blue);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
}

.feature-card img {
  height: 105px;
  width: auto;
  object-fit: contain;
  margin: 0 auto 18px;
}

.feature-card h3 {
  font-size: 18px;
  line-height: 1.4;
  margin: 0 0 13px;
}

.feature-card p {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
}

.option-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  background: #fff;
  border: 1px solid #cfdbf6;
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 32px 16px;
  margin-bottom: 55px;
}

.option-grid article {
  text-align: center;
  padding: 8px 40px;
  border-right: 1px solid #edf1f9;
}

.option-grid article:last-child {
  border: 0;
}

.option-grid img {
  height: 90px;
  width: auto;
  object-fit: contain;
  margin: 0 auto 14px;
}

.option-grid h3 {
  font-size: 17px;
  margin: 0 0 8px;
}

.option-grid p {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
}

.wss-panel {
  background: #fff;
  border: 1px solid #cfdbf6;
  border-radius: 18px;
  padding: 34px 34px 24px;
  box-shadow: var(--shadow);
}

.wss-panel img {
  width: 100%;
  border-radius: 10px;
}

.section--contact {
  background: linear-gradient(135deg, #081426 0%, #0d2543 48%, #153768 100%);
  color: #fff;
}

.contact__wrap {
  background: rgba(6, 14, 28, 0.42);
  border: 1px solid rgba(156, 211, 255, 0.18);
  border-radius: 28px;
  padding: 54px 52px;
  box-shadow: 0 20px 60px rgba(6, 18, 37, 0.28);
}

.contact__intro {
  max-width: 760px;
  margin: 0 auto 34px;
}

.section--contact .section-kicker {
  color: #7fe7ff;
}

.section--contact h2 {
  color: #fff;
}

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

.contact__meta {
  margin: 14px 0 0;
  color: #8ff3ff;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.contact-form__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 22px;
  align-items: start;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.field span {
  font-size: 14px;
  font-weight: 700;
  color: #dff4ff;
}

.field input,
.field textarea {
  width: 100%;
  border: 1px solid rgba(150, 197, 255, 0.18);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.08);
  padding: 15px 17px;
  color: #fff;
  font: inherit;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.field input:focus,
.field textarea:focus {
  border-color: #7ee6ff;
  box-shadow: 0 0 0 4px rgba(126, 230, 255, 0.14);
  background: rgba(255, 255, 255, 0.12);
}

.field--message {
  grid-row: span 3;
}

.field textarea {
  min-height: 100%;
  resize: vertical;
}

.contact-form__footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-top: 22px;
}

.contact-form__submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 148px;
  height: 54px;
  border: 0;
  border-radius: 16px;
  background: linear-gradient(135deg, #00d8d0 0%, #22f3c7 100%);
  color: #082134;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 16px 30px rgba(5, 213, 194, 0.25);
  transition: transform 0.2s, box-shadow 0.2s;
}

.contact-form__submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 36px rgba(5, 213, 194, 0.33);
}

.contact-form__submit:disabled {
  cursor: wait;
  opacity: 0.72;
  transform: none;
}

.contact-form__message {
  min-height: 24px;
  margin: 16px 0 0;
  font-size: 14px;
  color: #b4fbef;
}

.contact-form__message.is-error {
  color: #ffd6d6;
}

.faq {
  background: #f4f5f7;
}

.faq__wrap {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 70px;
}

.faq h2 {
  font-size: 30px;
  margin-top: 8px;
}

.accordion details {
  border-bottom: 1px solid #bfc7d3;
}

.accordion summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 21px 42px 21px 0;
  font-weight: 700;
}

.accordion summary::-webkit-details-marker {
  display: none;
}

.accordion summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 17px;
  font-size: 24px;
  color: #4067c7;
}

.accordion details[open] summary::after {
  content: "−";
}

.accordion p {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 14px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal--delay {
  transition-delay: 0.14s;
}

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

@media (max-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1fr 1fr;
    gap: 25px;
  }

  .hero h1 {
    font-size: 34px;
  }

  .product-name {
    font-size: 36px;
  }

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

  .faq__wrap {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .section {
    padding: 64px 0;
  }

  .section h2 {
    font-size: 27px;
  }

  .hero {
    min-height: auto;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    padding: 76px 0 46px;
    text-align: center;
  }

  .hero__copy {
    padding: 0;
  }

  .hero h1 {
    font-size: 29px;
  }

  .product-name {
    font-size: 34px;
    margin-bottom: 20px;
  }

  .hero__desc {
    font-size: 14px;
  }

  .hero__visual img {
    max-width: 420px;
    margin: auto;
  }

  .feature-grid,
  .option-grid,
  .contact-form__grid {
    grid-template-columns: 1fr;
  }

  .option-grid {
    padding: 12px 22px;
  }

  .option-grid article {
    border-right: 0;
    border-bottom: 1px solid #edf1f9;
    padding: 25px 15px;
  }

  .wss-panel {
    padding: 22px 14px 14px;
    overflow-x: auto;
  }

  .wss-panel img,
  .image-panel img {
    min-width: 760px;
  }

  .image-panel {
    overflow-x: auto;
  }

  .contact__wrap {
    padding: 34px 20px;
  }

  .field--message {
    grid-row: auto;
  }

  .contact-form__footer {
    align-items: stretch;
    flex-direction: column;
  }

  .contact-form__submit {
    width: 100%;
  }

  .faq__wrap {
    display: block;
  }

  .intro h2 {
    font-size: 25px;
  }
}:root{--blue:#326af6;--deep:#4321ad;--navy:#0b2746;--muted:#657184;--line:#dce5f8;--soft:#f6f8ff;--shadow:0 14px 40px rgba(46,86,178,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Pretendard,Arial,sans-serif;color:var(--navy);background:#fff;line-height:1.55}img{display:block;max-width:100%}.container{width:min(1180px,calc(100% - 40px));margin:auto}.section{padding:88px 0}.section--soft{background:linear-gradient(180deg,#fff 0%,#f7f9ff 100%)}.center{text-align:center}.section-kicker,.eyebrow{font-weight:800;font-size:13px;letter-spacing:.02em;color:#5380ee}.section-head{margin-bottom:38px}.section h2{margin:9px 0 10px;font-size:34px;line-height:1.25;letter-spacing:-.035em}.section h2 em{font-style:normal;color:var(--blue)}.section-desc{margin:0 auto;color:var(--muted);font-size:15px;max-width:760px}
.hero{position:relative;overflow:hidden;background:linear-gradient(125deg,#1fa8ed 0%,#3a73df 44%,#4b20a9 100%);color:#fff;min-height:600px}.hero:after{content:"";position:absolute;inset:auto -5% -25% 35%;height:310px;background:radial-gradient(ellipse,rgba(93,205,255,.3),transparent 65%);filter:blur(20px)}.hero__glow{position:absolute;width:620px;height:620px;border-radius:50%;right:-160px;top:-250px;background:rgba(160,210,255,.18);filter:blur(10px)}.hero__inner{position:relative;z-index:1;display:grid;grid-template-columns:1.28fr .72fr;align-items:center;min-height:600px;gap:18px}.hero__copy{padding:40px 0}.eyebrow{color:#95e7ff;margin:0 0 22px}.hero h1{font-size:37px;line-height:1.3;letter-spacing:-.04em;margin:0 0 8px}.product-name{display:block;color:#7bf0ff;font-size:43px;margin-bottom:30px}.hero__desc{max-width:600px;font-size:15px;color:rgba(255,255,255,.8);margin-bottom:28px}.cta{display:inline-flex;align-items:center;justify-content:center;min-width:120px;height:44px;padding:0 24px;border-radius:24px;background:#fff;color:#24457b;text-decoration:none;font-size:14px;font-weight:800;box-shadow:0 9px 25px rgba(20,20,80,.2);transition:.25s}.cta:hover{transform:translateY(-3px);box-shadow:0 15px 30px rgba(20,20,80,.27)}.hero__visual img{width:100%;max-width:500px;margin-left:auto;filter:drop-shadow(0 30px 50px rgba(25,28,100,.28))}.intro{padding:70px 0;background:#f4f6fa}.intro h2{font-size:31px}
.image-panel{background:#fff;border-radius:24px;padding:24px;box-shadow:var(--shadow);border:1px solid #edf1fb}.image-panel--clean{box-shadow:none;border:0;background:transparent;padding:0}.image-panel img{width:100%}.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.feature-card{position:relative;background:#fff;border:1px solid #cad7f6;border-radius:16px;padding:42px 24px 26px;text-align:center;box-shadow:0 8px 20px rgba(45,85,170,.08);transition:.25s}.feature-card:hover{transform:translateY(-8px);box-shadow:0 18px 35px rgba(45,85,170,.15)}.feature-card .num{position:absolute;top:12px;left:14px;border-radius:7px;padding:3px 9px;background:var(--blue);color:#fff;font-size:12px;font-weight:800}.feature-card img{height:105px;width:auto;object-fit:contain;margin:0 auto 18px}.feature-card h3{font-size:18px;line-height:1.4;margin:0 0 13px}.feature-card p{font-size:13px;color:var(--muted);margin:0}.option-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;background:#fff;border:1px solid #cfdbf6;border-radius:16px;box-shadow:var(--shadow);padding:32px 16px;margin-bottom:55px}.option-grid article{text-align:center;padding:8px 40px;border-right:1px solid #edf1f9}.option-grid article:last-child{border:0}.option-grid img{height:90px;width:auto;object-fit:contain;margin:0 auto 14px}.option-grid h3{font-size:17px;margin:0 0 8px}.option-grid p{font-size:13px;color:var(--muted);margin:0}.wss-panel{background:#fff;border:1px solid #cfdbf6;border-radius:18px;padding:34px 34px 24px;box-shadow:var(--shadow)}.wss-panel__head{margin-bottom:20px}.wss-panel__head p:last-child{color:var(--muted);font-size:14px;max-width:720px;margin:8px auto 0}.wss-panel img{width:100%;border-radius:10px}.faq{background:#f4f5f7}.faq__wrap{display:grid;grid-template-columns:260px 1fr;gap:70px}.faq h2{font-size:30px;margin-top:8px}.accordion details{border-bottom:1px solid #bfc7d3}.accordion summary{position:relative;list-style:none;cursor:pointer;padding:21px 42px 21px 0;font-size:17px;font-weight:600}.accordion summary::-webkit-details-marker{display:none}.accordion summary:after{content:"▾";position:absolute;right:8px;color:var(--blue);transition:.25s}.accordion details[open] summary:after{transform:rotate(180deg)}.accordion details p{margin:-5px 0 22px;color:var(--muted);font-size:14px;max-width:800px}.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}.reveal.is-visible{opacity:1;transform:none}.reveal--delay{transition-delay:.15s}
@media(max-width:1024px){.hero__inner{grid-template-columns:1fr 1fr;gap:25px}.hero h1{font-size:34px}.product-name{font-size:36px}.feature-grid{grid-template-columns:repeat(2,1fr)}.faq__wrap{grid-template-columns:1fr;gap:10px}}
@media(max-width:760px){.container{width:min(100% - 28px,1180px)}.section{padding:64px 0}.section h2{font-size:27px}.hero{min-height:auto}.hero__inner{grid-template-columns:1fr;padding:76px 0 46px;text-align:center}.hero__copy{padding:0}.hero h1{font-size:29px}.product-name{font-size:34px;margin-bottom:20px}.hero__desc{font-size:14px}.hero__visual img{max-width:420px;margin:auto}.feature-grid{grid-template-columns:1fr}.option-grid{grid-template-columns:1fr;padding:12px 22px}.option-grid article{border-right:0;border-bottom:1px solid #edf1f9;padding:25px 15px}.wss-panel{padding:22px 14px 14px}.faq__wrap{display:block}.architecture .container{width:100%}.architecture .section-head{padding:0 18px}.image-panel img{min-width:760px}.image-panel{overflow-x:auto}.wss-panel{overflow-x:auto}.wss-panel img{min-width:760px}.intro h2{font-size:25px}}