:root {
    --bg-top: #eef0fb;
    --bg-mid: #f8f8fc;
    --bg-soft: #f0effd;
    --bg-card: #f4f2ff;
    --bg-card-2: #f7f6ff;
    --text-strong: #22222b;
    --text-body: #565668;
    --text-muted: #8b8ca4;
    --line-soft: rgba(116, 88, 255, 0.12);
    --primary:#4e378e;
    --purple: #7b56ff;
    --purple-deep: #6f4eff;
    --purple-dark: #4e378e;
    --white: #fff;
    --shadow-button: 0 10px 22px rgba(90, 63, 255, 0.22);
    --shadow-soft: 0 18px 45px rgba(83, 65, 150, 0.08);
    --shadow-card: 0 18px 40px rgba(65, 53, 120, 0.08);
    --radius-xl: 34px;
    --radius-lg: 28px;
    --radius-md: 22px;
  }

  * { box-sizing: border-box; }
  html {
    scroll-behavior: smooth;
    scroll-padding-top: 96px;
  }
  body {
    margin: 0;
    min-width: 360px;
    font-family: "Pretendard", "Pretendard Variable", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans KR", sans-serif;
    color: var(--text-strong);
    background: var(--bg-top);
    line-height: 1.5;
  }
  img { display: block; max-width: 100%; }
  a { color: inherit; text-decoration: none; }
  button { font: inherit; }

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

  .section-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 33px;
    padding: 0 24px;
    border-radius: 999px;
    background: #7D4CFC;
    color: #fff;
    font-size: 16px;
    font-weight: 700;
  }

  .section-title {
    margin: 16px 0 10px;
    font-size: clamp(30px, 3vw, 46px);
    line-height: 1.18;
    letter-spacing: -0.04em;
    font-weight: 700;
  }

  .section-desc {
    margin: 0;
    color: var(--text-body);
    font-size: 18px;
    line-height: 1.75;
    font-weight: 500;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 54px;
    padding: 0 24px;
    border: 0;
    border-radius: 999px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -0.01em;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  }
  .btn:hover { transform: translateY(-1px); }
  .btn-primary {
    color: #fff;
    background: linear-gradient(135deg, #8b64ff 0%, #6a48ff 100%);
    box-shadow: var(--shadow-button);
  }
  .btn-primary:hover { box-shadow: 0 14px 28px rgba(90, 63, 255, 0.28); }
  .btn-secondary {
    color:var(--primary);
    background: #fff;
    box-shadow: 0 10px 26px rgba(36, 30, 79, 0.11);
  }
  .btn-secondary:hover { background: #faf9ff; }
  .btn-outline-primary{
    color: var(--primary);
    background: #fff;
    border:1px solid var(--primary);
  }
  .btn-outline-primary:hover{
    background: #faf9ff;
  }
  .btn-icon {
    width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
  }

  .hero-section {
    position: relative;
    overflow: hidden;
    background:
      radial-gradient(circle at 82% 18%, rgba(160, 182, 255, 0.22), transparent 20%),
      linear-gradient(135deg, #f1f3fb 0%, #eaedf9 42%, #e6ebfa 100%);
  }
  .hero-section::before,
  .hero-section::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
  }
  .hero-section::before {
    width: 560px;
    height: 560px;
    right: -180px;
    top: -220px;
    background: radial-gradient(circle, rgba(145, 173, 255, 0.18), rgba(145, 173, 255, 0));
  }
  .hero-section::after {
    width: 220px;
    height: 220px;
    left: 6%;
    bottom: 112px;
    border: 2px dashed rgba(122, 86, 255, 0.16);
  }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 20px 0 12px;
    background: rgba(238, 240, 251, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(116, 88, 255, 0.08);
  }
  .site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }
  .brand {
    display: inline-flex;
    align-items: center;
    gap: 14px;
  }
  .brand img {
    width: 178px;
    height: auto;
  }

  .main-nav {
    display: flex;
    align-items: center;
    gap: 34px;
  }
  .main-nav ul {
    display: flex;
    align-items: center;
    gap: 30px;
    list-style: none;
    margin: 0;
    padding: 0;
  }
  .main-nav a {
    font-size: 16px;
    font-weight: 500;
    color: #161723;
    padding: 12px 10px;
  }
  .main-nav a:hover {
    text-decoration: underline;
  }
  .main-nav a.contact-link {
    display: inline-flex;
    align-items: center;
    padding: 0;
    text-decoration: none;
  }
  .main-nav a.contact-link:hover {
    text-decoration: none;
  }
  .main-nav .btn {
    min-height: 38px;
    padding: 0 16px;
    font-size: 14px;
    gap: 6px;
  }
  .main-nav .btn-icon { width: 14px; height: 14px; }

  .hero {
    position: relative;
    z-index: 2;
    padding: 42px 0 94px;
    text-align: center;
  }
  .hero-copy {
    max-width: 760px;
    margin: 0 auto;
  }
  .hero .section-title { margin-top: 0; }
  .hero-title-em {
    background: linear-gradient(135deg, #8b64ff 0%, #6e4cff 72%, #6797ff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  .hero-actions {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin-top: 34px;
  }

  .hero-visual {
    position: relative;
    max-width: 1030px;
    margin: 78px auto 0;
  }
  .hero-visual::before,
  .hero-visual::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
  }
  .hero-visual::before {
    width: 18px;
    height: 18px;
    left: 70px;
    top: 96px;
    background: rgba(123, 86, 255, 0.35);
  }
  .hero-visual::after {
    width: 122px;
    height: 122px;
    right: 18px;
    bottom: 120px;
    background: radial-gradient(circle, rgba(173, 191, 255, 0.22), rgba(173, 191, 255, 0));
  }
  .hero-visual-inner {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: center;
    width: 100%;
  }
  .hero-visual img {
    width: min(100%, 980px);
    height: auto;
    aspect-ratio: 1050 / 512;
    object-fit: contain;
    filter: drop-shadow(0 22px 28px rgba(65, 53, 120, 0.08));
  }

  .product-section {
    position: relative;
    background: #fff;
    padding: 78px 0 102px;
  }
  .product-section .section-header-block {
    text-align: center;
    margin-bottom: 42px;
  }
  .product-section .section-title {
    font-size: clamp(28px, 2.4vw, 38px);
    margin-bottom: 12px;
  }
  .product-section .section-desc {
    font-size: 17px;
    color: #767790;
  }

  .product-card {
    position: relative;
    overflow: hidden;
    display: grid;
    grid-template-columns: minmax(0, 420px) minmax(0, 1fr);
    align-items: center;
    gap: 40px;
    padding: 48px 52px;
    border-radius: var(--radius-xl);
    background: linear-gradient(180deg, #f3f1fc 0%, #f0effb 100%);
    box-shadow: var(--shadow-soft);
  }
  .product-card + .product-card { margin-top: 28px; }
  .product-card::before,
  .product-card::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
  }
  .product-card::before {
    width: 150px;
    height: 150px;
    right: 140px;
    top: 36px;
    border: 2px dashed rgba(122, 86, 255, 0.16);
  }
  .product-card::after {
    width: 20px;
    height: 20px;
    right: 104px;
    top: 54px;
    background: rgba(123, 86, 255, 0.34);
  }
  .product-card-copy {
    position: relative;
    z-index: 2;
  }
  .product-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 34px;
    padding: 0 14px;
    border-radius: 999px;
    background: #0d0d14;
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 28px;
  }
  .product-card h3 {
    margin: 0 0 18px;
    font-size: clamp(32px, 2.7vw, 44px);
    line-height: 1.08;
    letter-spacing: -0.04em;
    font-weight: 700;
    color: #211f3f;
  }
  .product-card p {
    margin: 0 0 30px;
    color: #3f4054;
    font-size: 18px;
    line-height: 1.72;
    max-width: 350px;
  }
  .product-card .btn {
    min-height: 52px;
    padding-inline: 22px;
    font-size: 15px;
  }
  .product-card-media {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 260px;
  }
  .product-card-media img {
    width: min(100%, 320px);
    filter: drop-shadow(0 18px 30px rgba(49, 38, 109, 0.15));
  }

  .skeleton-section {
    position: relative;
    overflow: hidden;
    padding: 96px 0 120px;
    background: linear-gradient(180deg, #edf0fd 0%, #e7eefb 100%);
  }
  .skeleton-section .section-header-block,
  .skeleton-cta .section-header-block {
    text-align: center;
    margin-bottom: 60px;
  }
  .skeleton-section .section-title,
  .skeleton-cta .section-title {
    font-size: clamp(28px, 2.6vw, 40px);
    margin-bottom: 12px;
  }
  .skeleton-section .section-desc,
  .skeleton-cta .section-desc {
    font-size: 16px;
    color: #8a8ca5;
  }

  .feature-frame {
    position: relative;
    display: grid;
    gap:20px
  }

  .feature-card-wrap{
    display: flex;
  }
  .justify-end{
    justify-content: end;
  }
  .justify-end .feature-copy{
    text-align: right;
  }

  .feature-orbit {
    width: 356px;
    height: 356px;
    left: 254px;
    top: 150px;
    border: 1px dashed rgba(126, 103, 255, 0.18);
  }
  .feature-glow {
    width: 184px;
    height: 184px;
    left: 510px;
    bottom: 14px;
    background: radial-gradient(circle, rgba(131, 113, 255, 0.16), rgba(131, 113, 255, 0.02) 72%, transparent 73%);
  }
  .feature-dot {
    background: rgba(125, 109, 255, 0.26);
  }
  .feature-dot.dot-1 {
    width: 24px;
    height: 24px;
    right: 36px;
    top: 254px;
  }
  .feature-dot.dot-2 {
    width: 150px;
    height: 150px;
    left: 560px;
    bottom: -10px;
    background: rgba(141, 132, 255, 0.14);
  }

  .feature-card {
    overflow: hidden;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 220px;
    align-items: stretch;
    width: min(100%, 570px);
    min-height: 264px;
    padding: 0;
    gap: 18px;
    border-radius: 28px;
    background: rgba(255, 255, 255, 0.84);
    box-shadow: 0 18px 40px rgba(59, 53, 119, 0.08);
    backdrop-filter: blur(12px);
  }
  

  .feature-copy {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 0 0 34px;
  }
  .feature-copy h3 {
    margin: 0 0 6px;
    font-size: clamp(30px, 2vw, 38px);
    line-height: 1.1;
    letter-spacing: -0.04em;
  }
  .feature-copy span{
    margin-bottom: 10px;
    color: var(--text-muted);
  }
  .feature-copy p {
    margin: 0;
    font-size: 17px;
    color:var(--text-body);
    line-height: 1.52;
    letter-spacing: -0.02em;
    word-break: keep-all;
  }

  .feature-media {
    position: relative;
    width: 100%;
    min-height: 264px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
  }
  .feature-media img {
    width: 100%;
    max-width: 220px;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 14px 26px rgba(46, 40, 88, 0.08));
  }
  .feature-card.clarity .feature-media {
    justify-content: flex-end;
  }
  .feature-card.clarity .feature-media img {
    max-width: 215px;
  }
  .feature-card.reliability .feature-media {
    justify-content: flex-start;
  }
  .feature-card.reliability .feature-media img {
    max-width: 258px;
  }
  .feature-card.reliability .feature-copy {
    padding: 0 34px 0 0;
  }
  .feature-card.practicality .feature-media img {
    max-width: 233px;
  }

  .skeleton-cta {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #4f378f 0%, #5a3f9b 100%);
    padding: 92px 0 94px;
    color: #fff;
  }
  .skeleton-cta::before,
  .skeleton-cta::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
  }
  .skeleton-cta::before {
    width: 320px;
    height: 320px;
    right: -80px;
    bottom: -110px;
    background: radial-gradient(circle, rgba(156, 132, 255, 0.22), rgba(156, 132, 255, 0));
  }
  .skeleton-cta::after {
    width: 220px;
    height: 220px;
    left: -90px;
    top: -30px;
    background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0));
    transform: rotate(18deg);
    border-radius: 0;
  }
  .skeleton-cta .section-desc {
    color: rgba(255,255,255,0.75);
  }
  .cta-actions {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin-top: 30px;
  }
  .skeleton-cta .btn-secondary {
    background: rgba(255,255,255,0.95);
  }

  #features.skeleton-section{
    background-image: url(./src/img/sec3_deco_bg.png);
    background-position: center center;
    background-repeat:no-repeat;
  }

  .contact-btn-text{
      display: none;
    }

  @media (max-width: 1080px) {
    .container { padding: 0 28px; }
    .product-card {
      grid-template-columns: 1fr;
      text-align: center;
      gap: 26px;
      padding: 42px 32px;
    }
    .product-card-copy p { max-width: none; }
    .product-card-copy { display: flex; flex-direction: column; align-items: center; }
    .feature-frame {
      min-height: auto;
      display: grid;
      gap: 22px;
    }
    .feature-card {
      position: relative;
      inset: auto;
      width: 100%;
      grid-template-columns: minmax(0, 1fr) 210px;
      min-height: 248px;
    }
    .feature-card.clarity,
    .feature-card.reliability,
    .feature-card.practicality {
      width: 80%;
    }
    .feature-copy,
    .feature-card.reliability .feature-copy {
      padding: 0 0 0 28px;
    }
    .feature-card.reliability .feature-copy {
      padding: 0 28px 0 0;
    }
    .feature-media {
      min-height: 248px;
    }
    .feature-orbit,
    .feature-glow,
    .feature-dot { display: none; }
  }

  @media (max-width: 820px) {
    
    .main-nav ul { gap: 18px; flex-wrap: wrap; }
    .hero {
      padding-top: 28px;
      padding-bottom: 72px;
    }
    .hero-actions,
    .cta-actions {
      flex-direction: column;
      align-items: center;
    }
    .hero .section-desc { font-size: 16px; }
    .hero-copy {
      max-width: 680px;
    }
    .hero-visual {
      width: min(100%, 720px);
      margin-top: 64px;
    }
    .hero-visual::before {
      left: 34px;
      top: 82px;
    }
    .hero-visual::after {
      right: 8px;
      bottom: 88px;
      width: 100px;
      height: 100px;
    }
    .hero-visual img {
      width: 100%;
      max-width: 100%;
    }
    .product-card h3 { font-size: 36px; }
    .feature-card,
    .feature-card.clarity,
    .feature-card.reliability,
    .feature-card.practicality {
      grid-template-columns: minmax(0, 1fr) 180px;
      width: 100%;
      text-align: left;
      min-height: 220px;
      gap: 12px;
    }
    .feature-media {
      min-height: 220px;
      padding: 0 !important;
    }
    .feature-copy,
    .feature-card.reliability .feature-copy {
      padding: 0 0 0 22px;
    }
    .feature-card.reliability .feature-copy {
      padding: 0 22px 0 0;
    }
    .feature-media img {
      width: 100%;
      max-width: 190px !important;
    }
    .feature-copy h3 {
      font-size: clamp(24px, 5vw, 34px);
    }
    .feature-copy p {
      font-size: 15px;
    }
  }

  @media (max-width: 580px) {
    .site-header .container {
      flex-direction: column;
    }
    .main-nav {
      width: 100%;
      justify-content: space-between;
      gap: 16px;
    }
    .container { padding: 0 20px; }
    .main-nav {
      flex-direction: column;
      align-items: flex-start;
    }
    .main-nav ul {
      width: 100%;
      justify-content: center;
      gap: 32px;
    }
    .hero-title,
    .section-title {
      word-break: keep-all;
    }
    .hero-visual {
      width: min(100%, 460px);
      margin-top: 48px;
    }
    .hero-visual::before {
      left: 12px;
      top: 98px;
      width: 14px;
      height: 14px;
    }
    .hero-visual::after {
      right: -10px;
      bottom: 74px;
      width: 92px;
      height: 92px;
    }
    .hero-visual-inner {
      padding: 0 4px;
    }
    .hero-visual img {
      width: 100%;
      max-width: 100%;
    }
    .section-desc br{
      display: none;
    }
    .hero-actions button, .cta-actions button, .product-card .btn{
      min-height: 48px;
      padding: 0 24px;
      font-size: 16px;
    }
    .product-section,
    .skeleton-section,
    .skeleton-cta { padding: 72px 0 80px; }
    .product-card {
      padding: 32px 22px;
      border-radius: 24px;
    }
    .product-card h3 { font-size: 30px; }
    .product-card p,
    .feature-copy p,
    .section-desc { font-size: 15px; }
    .feature-card,
    .feature-card.clarity,
    .feature-card.reliability,
    .feature-card.practicality {
      grid-template-columns: minmax(0, 1fr) 160px;
      min-height: 200px;
      gap: 10px;
    }
    .feature-copy,
    .feature-card.reliability .feature-copy{
      width: auto;
      padding: 0 0 0 18px;
    }
    .feature-card.reliability .feature-copy{
      padding: 0 18px 0 0;
    }
    .feature-media{
      min-height: 200px;
    }
    .feature-media img {
      max-width: 170px !important;
    }
    .feature-copy br{
      display: none;
    }
    .contact-btn-style{
      display: none;
    }
    .contact-btn-text{
      display: inline-block;
      color:var(--purple);
      font-weight: 700;
    }
  }

  @media (max-width: 425px) {
    .product-card {
      grid-template-columns: 1fr;
    }
    .product-card-copy {
      order: 1;
    }
    .product-card-media {
      order: 2;
      min-height: auto;
      margin-top: 8px;
    }

    .feature-card,
    .feature-card.clarity,
    .feature-card.reliability,
    .feature-card.practicality {
      grid-template-columns: 1fr;
      gap: 0;
    }
    .feature-copy,
    .feature-card.reliability .feature-copy {
      order: 1;
      padding: 28px 22px 0;
      text-align: left;
    }
    .justify-end .feature-copy {
      text-align: left;
    }
    .feature-media {
      order: 2;
      min-height: auto;
      padding: 12px 0 20px !important;
      align-items: center;
      justify-content: center !important;
    }
    .feature-media img {
      max-width: 180px !important;
    }
  }



  /* 모달 */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.4);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

.modal {
  width: 360px;
  background: #f4f4f8;
  border-radius: 16px;
  overflow: hidden;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  font-weight: 700;
  border-bottom: 1px solid #ddd;
}
.modal-header > h3{
  margin:0;
}
.modal-close {
  border: none;
  background: none;
  font-size: 20px;
  cursor: pointer;
}

.modal-body {
  padding: 20px;
  text-align: center;
  font-size: 14px;
  color: #555;
}
.modal-body p{
  text-align: left;
  font-size: 18px;
  font-weight: 500;
}

.email-box {
  margin: 16px 0;
  padding: 12px;
  background: #e9e9ee;
  border-radius: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.email-box button {
  border: none;
  background: #fff;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
}

.mail-btn {
  margin-top: 10px;
  min-height: unset;
  padding: 10px 20px;
}