:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #111827;
  --muted: #657083;
  --line: #dfe4ea;
  --navy: #0d1d35;
  --navy-soft: #152944;
  --blue: #2764ff;
  --blue-dark: #1649cd;
  --accent: #8db4ff;
  --radius: 24px;
  --shadow: 0 24px 70px rgba(14, 30, 55, 0.10);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans KR", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  word-break: keep-all;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: 82px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(214, 220, 228, 0.8);
}

.nav-wrap {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.06;
}

.logo-text strong {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.12em;
  background: linear-gradient(135deg, var(--navy), var(--blue));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.logo-text small {
  margin-top: 6px;
  color: #65758b;
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.11em;
  white-space: nowrap;
}

.logo-text-only {
  transform: translateY(1px);
}

.logo-centered {
  align-items: center;
  text-align: center;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 34px;
  font-size: 14px;
  font-weight: 600;
}

.nav-menu a {
  transition: color .2s ease;
}

.nav-menu a:hover {
  color: var(--blue);
}

.nav-contact {
  padding: 12px 20px;
  color: white !important;
  background: var(--navy);
  border-radius: 999px;
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  padding: 10px;
}

.menu-button span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--text);
}

.hero {
  position: relative;
  min-height: 820px;
  padding: 180px 0 100px;
  overflow: hidden;
  background:
    radial-gradient(circle at 70% 30%, rgba(39, 100, 255, 0.15), transparent 33%),
    linear-gradient(135deg, #f9fbff 0%, #eef3fa 55%, #e8eef8 100%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: .25;
  background-image:
    linear-gradient(rgba(28, 58, 97, .12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(28, 58, 97, .12) 1px, transparent 1px);
  background-size: 50px 50px;
  mask-image: linear-gradient(to bottom, black, transparent 90%);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(10px);
  opacity: .45;
}

.hero-glow-one {
  width: 320px;
  height: 320px;
  right: 15%;
  top: 14%;
  background: rgba(75, 129, 255, .22);
}

.hero-glow-two {
  width: 250px;
  height: 250px;
  left: 3%;
  bottom: 8%;
  background: rgba(112, 177, 255, .16);
}

.hero-content {
  position: relative;
  z-index: 2;
}

.eyebrow,
.section-label {
  margin: 0 0 24px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .16em;
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(52px, 6vw, 84px);
  line-height: 1.14;
  letter-spacing: -0.055em;
}

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

.hero-description {
  margin: 32px 0 0;
  color: #5f6c7e;
  font-size: 19px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 42px;
}

.button {
  min-height: 54px;
  padding: 0 28px;
  border: 0;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

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

.button.primary {
  color: white;
  background: var(--blue);
  box-shadow: 0 14px 30px rgba(39, 100, 255, .24);
}

.button.primary:hover {
  background: var(--blue-dark);
}

.button.secondary {
  color: var(--navy);
  background: rgba(255, 255, 255, .85);
  border: 1px solid rgba(18, 40, 69, .12);
}

.hero-features {
  display: flex;
  gap: 50px;
  margin-top: 82px;
}

.hero-features div {
  display: flex;
  flex-direction: column;
}

.hero-features strong {
  color: var(--blue);
  font-size: 12px;
}

.hero-features span {
  margin-top: 8px;
  color: #334155;
  font-size: 14px;
  font-weight: 600;
}

.hero-visual {
  position: absolute;
  z-index: 1;
  right: max(4vw, 20px);
  bottom: -50px;
  width: min(42vw, 520px);
  height: 610px;
  transform: perspective(900px) rotateY(-8deg);
}

.building {
  position: absolute;
  inset: 0;
  padding: 34px;
  border-radius: 34px 34px 0 0;
  background: linear-gradient(145deg, #1b2b43, #0b1729);
  box-shadow: 0 45px 100px rgba(13, 29, 53, .28);
}

.building-top {
  width: 54%;
  height: 36px;
  margin: -68px 0 32px auto;
  border-radius: 12px 12px 0 0;
  background: #16273e;
}

.window-grid {
  height: 100%;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(4, 1fr);
  gap: 12px;
}

.window-grid span {
  position: relative;
  overflow: hidden;
  border: 4px solid #273b58;
  background: linear-gradient(145deg, #b9d7ff, #5f8fd0 55%, #244b7c);
}

.window-grid span::after {
  content: "";
  position: absolute;
  width: 160%;
  height: 18px;
  left: -30%;
  top: 25%;
  transform: rotate(-28deg);
  background: rgba(255, 255, 255, .35);
}

.section {
  padding: 120px 0;
}

.split {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 100px;
}

.section h2 {
  margin: 0;
  font-size: clamp(36px, 4vw, 56px);
  line-height: 1.25;
  letter-spacing: -0.045em;
}

.intro {
  background: white;
}

.intro-copy {
  color: var(--muted);
  font-size: 18px;
}

.intro-copy p {
  margin: 0 0 22px;
}

.services {
  background: #f3f6fa;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 54px;
}

.section-head > p {
  margin: 0 0 8px;
  color: var(--muted);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.service-card {
  position: relative;
  isolation: isolate;
  min-height: 490px;
  padding: 34px;
  overflow: hidden;
  border-radius: var(--radius);
  background: white;
  border: 1px solid #dfe4ea;
  box-shadow: 0 14px 40px rgba(13, 29, 53, .05);
  transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease, color .28s ease;
}

.service-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0;
  transition: opacity .3s ease;
  background:
    radial-gradient(circle at 80% 18%, rgba(128, 178, 255, .28), transparent 24%),
    linear-gradient(145deg, #21436f, #0e2341 74%);
}

.service-card > * {
  position: relative;
  z-index: 1;
}

.service-card:hover,
.service-card:focus-within {
  transform: translateY(-7px);
  box-shadow: var(--shadow);
  border-color: transparent;
  color: white;
}

.service-card:hover::before,
.service-card:focus-within::before {
  opacity: 1;
}

.service-number {
  color: #9ba5b4;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .15em;
}

.service-card .service-number {
  color: #8a96a8;
}

.service-card:hover .service-number,
.service-card:focus-within .service-number {
  color: #9cc0ff;
}

.service-card p,
.service-card li {
  color: var(--muted);
}

.service-card:hover p,
.service-card:hover li,
.service-card:focus-within p,
.service-card:focus-within li {
  color: #d9e3ef;
}

.service-card ul {
  margin: 26px 0 0;
  padding: 22px 0 0;
  list-style: none;
  border-top: 1px solid #dfe4ea;
  transition: border-color .28s ease;
}

.service-card:hover ul,
.service-card:focus-within ul {
  border-color: rgba(255,255,255,.14);
}

.service-card li::before {
  background: var(--blue);
}

.service-card:hover li::before,
.service-card:focus-within li::before {
  background: #9cc0ff;
}

.service-card .service-icon {
  transition: background .28s ease;
}

.service-card:hover .service-icon,
.service-card:focus-within .service-icon {
  background: rgba(255, 255, 255, .10);
}

.service-card:hover .window-icon span,
.service-card:hover .system-icon span,
.service-card:hover .curtain-icon span,
.service-card:focus-within .window-icon span,
.service-card:focus-within .system-icon span,
.service-card:focus-within .curtain-icon span {
  border-color: rgba(214, 232, 255, .76);
  background:
    linear-gradient(135deg, rgba(255,255,255,.34), transparent 40%),
    linear-gradient(145deg, rgba(185, 216, 255, .55), rgba(95, 141, 202, .26));
}

.service-card:hover h3,
.service-card:focus-within h3 {
  color: white;
}

.service-icon {
  width: 100%;
  height: 138px;
  margin: 26px 0 28px;
  border-radius: 18px;
  background: #eef3f9;
}

.featured .service-icon {
  background: rgba(255, 255, 255, .08);
}

.window-icon {
  padding: 16px;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 6px;
}

.window-icon span {
  border: 3px solid rgba(39, 100, 255, .7);
  background: linear-gradient(145deg, rgba(195, 222, 255, .85), rgba(75, 124, 189, .45));
}

.system-icon {
  display: flex;
  align-items: stretch;
  gap: 8px;
  padding: 16px;
}

.system-icon span {
  flex: 1;
  border: 3px solid #3b75df;
  background: linear-gradient(155deg, #d7e7ff, #779ed4);
  transform: skewY(-3deg);
}

.curtain-icon {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 5px;
  padding: 14px;
}

.curtain-icon span {
  border: 3px solid #3a6fc7;
  background:
    linear-gradient(135deg, rgba(255,255,255,.55), transparent 45%),
    linear-gradient(#b8d8ff, #5b88c1);
}

.service-card h3 {
  margin: 0 0 14px;
  font-size: 25px;
}

.service-card p {
  min-height: 82px;
  margin: 0;
  color: var(--muted);
}

.featured p {
  color: #c7d0de;
}

.service-card ul {
  margin: 26px 0 0;
  padding: 22px 0 0;
  list-style: none;
  border-top: 1px solid #dfe4ea;
}

.featured ul {
  border-color: rgba(255,255,255,.12);
}

.service-card li {
  position: relative;
  padding-left: 17px;
  margin: 10px 0;
  color: #4e5a6b;
  font-size: 14px;
}

.featured li {
  color: #d8e0ec;
}

.service-card li::before {
  content: "";
  position: absolute;
  width: 5px;
  height: 5px;
  left: 0;
  top: 10px;
  border-radius: 50%;
  background: var(--blue);
}

.process {
  background: white;
}

.process-list {
  border-top: 1px solid var(--line);
}

.process-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 24px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}

.process-item > strong {
  color: var(--blue);
  font-size: 15px;
}

.process-item h3 {
  margin: 0 0 8px;
  font-size: 23px;
}

.process-item p {
  margin: 0;
  color: var(--muted);
}

.strength {
  background: #f3f6fa;
}

.strength-box {
  padding: 70px;
  border-radius: 32px;
  color: white;
  background:
    radial-gradient(circle at 85% 20%, rgba(72, 127, 255, .28), transparent 28%),
    linear-gradient(140deg, #0c1a30, #142d4d);
  box-shadow: 0 30px 80px rgba(13, 29, 53, .18);
}

.section-label.light {
  color: #83aaff;
}

.strength-title {
  max-width: 650px;
}

.strength-title > p:last-child {
  color: #b9c5d6;
  font-size: 17px;
}

.strength-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 54px;
}

.strength-grid > div {
  min-height: 210px;
  padding: 24px;
  border-radius: 18px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.08);
}

.strength-grid span {
  color: #7ca6ff;
  font-size: 12px;
  font-weight: 800;
}

.strength-grid h3 {
  margin: 38px 0 10px;
  font-size: 18px;
}

.strength-grid p {
  margin: 0;
  color: #b9c4d3;
  font-size: 14px;
}

.contact {
  background: white;
}

.contact-grid {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 80px;
  align-items: start;
}

.contact-info > p:not(.section-label) {
  color: var(--muted);
  font-size: 17px;
}

.contact-detail {
  margin-top: 46px;
  border-top: 1px solid var(--line);
}

.contact-detail div {
  display: grid;
  grid-template-columns: 90px 1fr;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.contact-detail span {
  color: var(--muted);
  font-size: 14px;
}

.contact-detail strong {
  font-size: 15px;
}

.contact-form {
  padding: 38px;
  border-radius: 24px;
  background: #f5f7fa;
  border: 1px solid #dfe4ea;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.contact-form label {
  display: block;
  margin-bottom: 18px;
  font-size: 14px;
  font-weight: 700;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  margin-top: 9px;
  padding: 15px 16px;
  color: var(--text);
  background: white;
  border: 1px solid #d8dee7;
  border-radius: 12px;
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(39, 100, 255, .10);
}

.contact-form textarea {
  resize: vertical;
}

.submit-button {
  width: 100%;
}

.form-notice {
  margin: 14px 0 0;
  color: #7a8494;
  font-size: 12px;
  text-align: center;
}

footer {
  padding: 42px 0;
  color: #aeb9c8;
  background: #0a1526;
}

.footer-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 30px;
}

footer strong {
  color: white;
  letter-spacing: .08em;
}

footer p {
  margin: 5px 0 0;
  font-size: 12px;
}

.footer-copy {
  text-align: right;
}

.floating-contact {
  position: fixed;
  z-index: 90;
  right: 24px;
  bottom: 24px;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: white;
  font-size: 14px;
  font-weight: 800;
  background: var(--blue);
  box-shadow: 0 12px 28px rgba(39, 100, 255, .35);
}

@media (max-width: 980px) {
  .nav-menu {
    position: fixed;
    top: 82px;
    left: 0;
    right: 0;
    padding: 26px 24px 32px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 20px;
    background: white;
    border-bottom: 1px solid var(--line);
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-contact {
    text-align: center;
  }

  .menu-button {
    display: block;
  }

  .hero {
    min-height: auto;
    padding-bottom: 420px;
  }

  .hero-visual {
    width: min(72vw, 540px);
    height: 430px;
    right: 8%;
  }

  .split,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

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

  .service-card {
    min-height: auto;
  }

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

@media (max-width: 680px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .site-header {
    height: 72px;
  }

  .nav-menu {
    top: 72px;
  }

  .hero {
    padding-top: 135px;
    padding-bottom: 335px;
  }

  .hero h1 {
    font-size: 43px;
  }

  .hero-description {
    font-size: 16px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .hero-features {
    gap: 22px;
    margin-top: 50px;
  }

  .hero-visual {
    width: 88vw;
    height: 315px;
    right: 0;
    bottom: -20px;
  }

  .building {
    padding: 22px;
  }

  .window-grid {
    gap: 7px;
  }

  .window-grid span {
    border-width: 2px;
  }

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

  .logo-text small {
    font-size: 7px;
    letter-spacing: 0.08em;
  }

  .section {
    padding: 86px 0;
  }

  .section h2 {
    font-size: 36px;
  }

  .section-head {
    display: block;
  }

  .section-head > p {
    margin-top: 24px;
  }

  .process-item {
    grid-template-columns: 48px 1fr;
  }

  .strength-box {
    padding: 40px 24px;
  }

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

  .strength-grid > div {
    min-height: auto;
  }

  .strength-grid h3 {
    margin-top: 22px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .contact-form {
    padding: 24px 18px;
  }

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

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

  .floating-contact {
    right: 16px;
    bottom: 16px;
    width: 56px;
    height: 56px;
  }
}


.logo-text {
  min-width: 205px;
}

.contact-detail a {
  color: inherit;
  transition: color .2s ease;
}

.contact-detail a:hover {
  color: var(--blue);
}

@media (max-width: 680px) {
  .logo-text {
    min-width: 0;
  }

  .logo-text small {
    font-size: 6.2px;
    letter-spacing: 0.02em;
  }
}


/* v3: estimate, brand comparison, workflow support and quote checklist */
.logo-text small {
  color: #788396;
  font-size: 7px;
  font-weight: 700;
  letter-spacing: .035em;
  white-space: nowrap;
}

.estimate {
  background: #ffffff;
}

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

.estimate-card {
  position: relative;
  min-height: 250px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  border-radius: 22px;
  background: white;
  border: 1px solid #dfe6f0;
  transition: transform .28s ease, box-shadow .28s ease, background .28s ease, border-color .28s ease;
}

.estimate-card:hover {
  transform: translateY(-5px);
  color: white;
  background: linear-gradient(145deg, #21436f, #0e2341 74%);
  border-color: transparent;
  box-shadow: 0 22px 48px rgba(14, 30, 55, .16);
}

.estimate-card > span {
  color: #516078;
  font-size: 15px;
  font-weight: 700;
}

.estimate-card strong {
  margin-top: 34px;
  color: var(--navy);
  font-size: clamp(30px, 3vw, 42px);
  line-height: 1.05;
  letter-spacing: -.055em;
  transition: color .28s ease;
}

.estimate-card strong small {
  color: #8a97a9;
  font-size: .55em;
  font-weight: 500;
  transition: color .28s ease;
}

.estimate-card em {
  margin-top: 8px;
  color: var(--blue);
  font-size: 14px;
  font-style: normal;
  font-weight: 800;
  transition: color .28s ease;
}

.estimate-card p {
  margin: auto 0 0;
  color: var(--muted);
  font-size: 14px;
  transition: color .28s ease;
}

.estimate-card:hover > span,
.estimate-card:hover strong,
.estimate-card:hover em,
.estimate-card:hover p,
.estimate-card:hover strong small {
  color: white;
}

.inquiry-price {
  font-size: 34px !important;
}


.compact-price {
  font-size: 34px !important;
  white-space: nowrap;
  letter-spacing: -0.06em !important;
}

.estimate-notes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 26px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--line);
}

.estimate-notes > div {
  padding: 22px 24px;
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 14px;
  background: white;
}

.estimate-notes strong {
  color: var(--blue);
  font-size: 13px;
}

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

.brand-guide {
  background: #f3f6fa;
}

.brand-table-wrap {
  overflow-x: auto;
  border: 1px solid #dce3ec;
  border-radius: 22px;
  background: white;
  box-shadow: 0 14px 40px rgba(13, 29, 53, .05);
}

.brand-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  text-align: center;
}

.brand-table th,
.brand-table td {
  padding: 19px 22px;
  border-bottom: 1px solid #e6ebf1;
  border-right: 1px solid #edf0f4;
}

.brand-table th:last-child,
.brand-table td:last-child {
  border-right: 0;
}

.brand-table thead th {
  color: white;
  background: var(--navy);
  font-size: 15px;
}

.brand-table tbody th {
  width: 24%;
  color: #334155;
  background: #f8fafc;
  text-align: left;
  font-size: 14px;
}

.brand-table tbody td {
  color: #4e5c70;
  font-size: 14px;
}

.brand-table tbody tr:last-child th,
.brand-table tbody tr:last-child td {
  border-bottom: 0;
}

.brand-positioning {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 22px;
}

.brand-positioning article {
  padding: 26px;
  border-radius: 18px;
  border: 1px solid #dfe5ed;
  transition: transform .24s ease, box-shadow .24s ease;
}

.brand-positioning article:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 34px rgba(13, 29, 53, .10);
}

.brand-positioning span {
  display: inline-flex;
  min-width: 52px;
  height: 32px;
  padding: 0 12px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
}

.brand-positioning strong {
  display: block;
  margin-top: 24px;
  font-size: 20px;
}

.brand-positioning p {
  margin: 8px 0 0;
  font-size: 14px;
}

.brand-card.brand-kcc {
  background: #eef8f4;
  border-color: #cbe7db;
}

.brand-card.brand-kcc span {
  color: #0d6b47;
  background: #d9f0e6;
}

.brand-card.brand-kcc strong {
  color: #0d6b47;
}

.brand-card.brand-kcc p {
  color: #4a695d;
}

.brand-card.brand-lx {
  background: #eef4ff;
  border-color: #d0dff8;
}

.brand-card.brand-lx span {
  color: #1d55c9;
  background: #dce7ff;
}

.brand-card.brand-lx strong {
  color: #1d55c9;
}

.brand-card.brand-lx p {
  color: #576983;
}

.brand-card.brand-eagon {
  background: #fff3eb;
  border-color: #f5d5bf;
}

.brand-card.brand-eagon span {
  color: #c2632e;
  background: #ffe2d0;
}

.brand-card.brand-eagon strong {
  color: #c2632e;
}

.brand-card.brand-eagon p {
  color: #7b6658;
}

.comparison-disclaimer {
  margin: 18px 0 0;
  color: #758196;
  font-size: 12px;
}

.process-six {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border-top: 1px solid var(--line);
}

.process-six .process-item {
  grid-template-columns: 58px 1fr;
  padding: 30px 26px;
}

.process-six .process-item:nth-child(odd) {
  border-right: 1px solid var(--line);
}

.support-grid,
.checklist-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 44px;
}

.support-grid article,
.checklist-grid article {
  min-height: 170px;
  padding: 25px;
  border-radius: 18px;
  background: #f5f8fc;
  border: 1px solid #e0e6ee;
  transition: transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}

.support-grid article:hover,
.checklist-grid article:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 30px rgba(13, 29, 53, .08);
  border-color: #cfd9e8;
}

.support-grid span,
.checklist-grid span {
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
}

.support-grid h3,
.checklist-grid h3 {
  margin: 25px 0 7px;
  color: var(--navy);
  font-size: 18px;
}

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

.quote-checklist {
  background: #ffffff;
}

.checklist-grid article {
  background: white;
  box-shadow: 0 12px 34px rgba(13, 29, 53, .055);
}

.contact-detail a {
  transition: color .2s ease;
}

.contact-detail a:hover {
  color: var(--blue);
}

@media (max-width: 1120px) {
  .nav-menu {
    gap: 22px;
  }

  .nav-menu a {
    font-size: 13px;
  }
}

@media (max-width: 980px) {
  .estimate-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .estimate-notes,
  .brand-positioning {
    grid-template-columns: 1fr;
  }

  .process-six {
    grid-template-columns: 1fr;
  }

  .process-six .process-item:nth-child(odd) {
    border-right: 0;
  }

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

@media (max-width: 680px) {
  .logo-text small {
    max-width: 190px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .estimate-grid,
  .support-grid,
  .checklist-grid {
    grid-template-columns: 1fr;
  }

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

  .estimate-notes > div {
    grid-template-columns: 45px 1fr;
  }

  .brand-table th,
  .brand-table td {
    padding: 16px;
  }
}

/* v4: 진행절차 및 견적 체크리스트 6개 박스 가독성 개선 */
.process-six .process-item > strong {
  font-size: 16px;
}

.process-six .process-item h3 {
  font-size: 25px;
}

.process-six .process-item p {
  font-size: 15px;
  line-height: 1.75;
}

.support-grid span,
.checklist-grid span {
  font-size: 13px;
}

.support-grid h3,
.checklist-grid h3 {
  font-size: 20px;
}

.support-grid p,
.checklist-grid p {
  font-size: 15px;
  line-height: 1.7;
}


/* v9 readability */
.hero-description {
  font-size: 20px;
}

.section-head > p {
  font-size: 16px;
  line-height: 1.75;
}

.intro-copy {
  font-size: 19px;
  line-height: 1.9;
}

.service-card p,
.service-card li,
.estimate-card p,
.brand-positioning p,
.support-grid p,
.checklist-grid p {
  font-size: 15px;
  line-height: 1.75;
}

.support-grid h3,
.checklist-grid h3 {
  font-size: 21px;
}

.brand-table tbody th,
.brand-table tbody td {
  font-size: 15px;
}

.comparison-disclaimer {
  font-size: 13px;
  line-height: 1.8;
}


/* v12: 첨부파일 입력 */
.file-upload-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 2px 0 20px;
}

.file-upload-label {
  min-width: 0;
  padding: 18px;
  border: 1px dashed #cbd5e1;
  border-radius: 14px;
  background: #ffffff;
  transition: border-color .22s ease, background .22s ease, box-shadow .22s ease;
}

.file-upload-label:hover,
.file-upload-label:focus-within {
  border-color: var(--blue);
  background: #f8fbff;
  box-shadow: 0 0 0 4px rgba(39, 100, 255, .08);
}

.file-help {
  display: block;
  margin: 5px 0 12px;
  color: #7a8494;
  font-size: 12px;
  font-weight: 400;
  line-height: 1.55;
}

.file-input {
  width: 100%;
  margin: 0 !important;
  padding: 9px !important;
  border-radius: 10px !important;
  color: #516078;
  font-size: 13px;
  background: #f7f9fc !important;
}

.file-input::file-selector-button {
  margin-right: 10px;
  padding: 8px 11px;
  border: 0;
  border-radius: 8px;
  color: white;
  font-weight: 700;
  background: var(--navy);
  cursor: pointer;
}

.file-name {
  display: block;
  margin-top: 9px;
  overflow: hidden;
  color: #657083;
  font-size: 12px;
  font-weight: 500;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-limit {
  grid-column: 1 / -1;
  margin: -2px 2px 0;
  color: #758196;
  font-size: 12px;
  line-height: 1.65;
}

/* v12: 모바일 / PC 화면 전환 */
.mobile-view-switch {
  display: none;
  justify-content: center;
  padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, .09);
}

.view-mode-toggle {
  min-height: 44px;
  padding: 0 22px;
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 999px;
  color: white;
  font-weight: 700;
  background: rgba(255,255,255,.07);
  cursor: pointer;
  transition: background .22s ease, border-color .22s ease, transform .22s ease;
}

.view-mode-toggle:hover {
  transform: translateY(-2px);
  border-color: rgba(255,255,255,.5);
  background: rgba(255,255,255,.14);
}

.mobile-scroll-hint {
  display: none;
}

html.desktop-view .mobile-view-switch {
  display: flex;
}

@media (max-width: 980px) {
  .mobile-view-switch {
    display: flex;
  }
}

/* v12: 휴대폰 화면 전용 최적화 */
@media (max-width: 680px) {
  body {
    overflow-x: hidden;
  }

  .container {
    width: min(100% - 32px, 1180px);
  }

  .site-header {
    height: 66px;
  }

  .nav-menu {
    top: 66px;
    padding: 20px 18px 24px;
    gap: 14px;
  }

  .nav-menu a {
    padding: 9px 4px;
    font-size: 14px;
  }

  .nav-contact {
    padding: 12px 16px !important;
  }

  .logo-text strong {
    font-size: 17px;
  }

  .logo-text small {
    max-width: 176px;
    font-size: 6px;
    letter-spacing: .015em;
  }

  .hero {
    min-height: auto;
    padding: 112px 0 66px;
  }

  .hero-grid {
    background-size: 34px 34px;
  }

  .hero-visual {
    display: none;
  }

  .eyebrow,
  .section-label {
    margin-bottom: 16px;
    font-size: 10px;
    letter-spacing: .13em;
  }

  .hero h1 {
    max-width: 100%;
    font-size: clamp(35px, 10.6vw, 43px);
    line-height: 1.17;
    letter-spacing: -.05em;
  }

  .hero-description {
    margin-top: 22px;
    font-size: 16px;
    line-height: 1.75;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 28px;
  }

  .hero-actions .button {
    width: 100%;
    min-height: 48px;
    padding: 0 10px;
    font-size: 13px;
  }

  .hero-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-top: 34px;
  }

  .hero-features div {
    min-width: 0;
    padding: 13px 9px;
    border: 1px solid rgba(39, 100, 255, .10);
    border-radius: 13px;
    background: rgba(255,255,255,.58);
  }

  .hero-features strong {
    font-size: 10px;
  }

  .hero-features span {
    margin-top: 5px;
    font-size: 12px;
    line-height: 1.4;
  }

  .section {
    padding: 64px 0;
  }

  .section h2 {
    font-size: clamp(29px, 8.4vw, 35px);
    line-height: 1.27;
  }

  .section-head {
    margin-bottom: 32px;
  }

  .section-head > p {
    margin-top: 17px;
    font-size: 14px;
    line-height: 1.7;
  }

  .split,
  .contact-grid {
    gap: 30px;
  }

  .intro-copy {
    font-size: 16px;
    line-height: 1.85;
  }

  .intro-copy p {
    margin-bottom: 15px;
  }

  .service-grid {
    gap: 14px;
  }

  .service-card {
    min-height: 0;
    padding: 22px;
    border-radius: 19px;
  }

  .service-icon {
    height: 100px;
    margin: 17px 0 20px;
  }

  .service-card h3 {
    font-size: 22px;
  }

  .service-card p {
    min-height: 0;
    font-size: 14px;
    line-height: 1.7;
  }

  .service-card ul {
    margin-top: 18px;
    padding-top: 15px;
  }

  .service-card li {
    margin: 7px 0;
    font-size: 13px;
  }

  .estimate-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 11px;
  }

  .estimate-card {
    min-height: 180px;
    padding: 18px 15px;
    border-radius: 17px;
  }

  .estimate-card > span {
    font-size: 12px;
  }

  .estimate-card strong,
  .compact-price,
  .inquiry-price {
    margin-top: 22px;
    font-size: 24px !important;
    white-space: nowrap;
  }

  .estimate-card em {
    margin-top: 5px;
    font-size: 11px;
  }

  .estimate-card p {
    font-size: 11px;
    line-height: 1.5;
  }

  .estimate-notes {
    grid-template-columns: 1fr;
    margin-top: 18px;
  }

  .estimate-notes > div {
    padding: 17px 16px;
    grid-template-columns: 42px 1fr;
  }

  .estimate-notes p {
    font-size: 12px;
    line-height: 1.6;
  }

  .mobile-scroll-hint {
    display: block;
    margin: -12px 0 10px;
    color: #758196;
    font-size: 12px;
  }

  .brand-table-wrap {
    border-radius: 16px;
  }

  .brand-table {
    min-width: 650px;
  }

  .brand-table th,
  .brand-table td {
    padding: 14px 12px;
    font-size: 13px !important;
  }

  .brand-positioning {
    gap: 11px;
    margin-top: 15px;
  }

  .brand-positioning article {
    padding: 19px;
  }

  .brand-positioning strong {
    margin-top: 15px;
    font-size: 18px;
  }

  .brand-positioning p {
    font-size: 13px;
  }

  .comparison-disclaimer {
    margin-top: 13px;
    font-size: 11px;
  }

  .process-six .process-item {
    grid-template-columns: 40px 1fr;
    padding: 20px 5px;
  }

  .process-six .process-item > strong {
    font-size: 13px;
  }

  .process-six .process-item h3 {
    margin-bottom: 5px;
    font-size: 20px;
  }

  .process-six .process-item p {
    font-size: 13px;
    line-height: 1.65;
  }

  .support-grid,
  .checklist-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 28px;
  }

  .support-grid article,
  .checklist-grid article {
    min-height: 132px;
    padding: 17px 14px;
    border-radius: 15px;
  }

  .support-grid span,
  .checklist-grid span {
    font-size: 11px;
  }

  .support-grid h3,
  .checklist-grid h3 {
    margin: 16px 0 5px;
    font-size: 17px;
  }

  .support-grid p,
  .checklist-grid p {
    font-size: 12px;
    line-height: 1.55;
  }

  .strength-box {
    padding: 32px 19px;
    border-radius: 22px;
  }

  .strength-title > p:last-child {
    font-size: 14px;
  }

  .strength-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
    margin-top: 30px;
  }

  .strength-grid > div {
    min-height: 160px;
    padding: 17px 14px;
  }

  .strength-grid h3 {
    margin-top: 17px;
    font-size: 16px;
  }

  .strength-grid p {
    font-size: 12px;
    line-height: 1.55;
  }

  .contact-info > p:not(.section-label) {
    font-size: 15px;
  }

  .contact-detail {
    margin-top: 28px;
  }

  .contact-detail div {
    grid-template-columns: 76px 1fr;
    padding: 14px 0;
  }

  .contact-detail span {
    font-size: 12px;
  }

  .contact-detail strong {
    font-size: 13px;
  }

  .contact-form {
    padding: 20px 15px;
    border-radius: 18px;
  }

  .contact-form label {
    margin-bottom: 15px;
    font-size: 13px;
  }

  .contact-form input,
  .contact-form select,
  .contact-form textarea {
    margin-top: 7px;
    padding: 13px 12px;
    font-size: 16px;
  }

  .file-upload-group {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-bottom: 16px;
  }

  .file-upload-label {
    padding: 15px;
  }

  .file-limit {
    grid-column: auto;
    font-size: 11px;
  }

  footer {
    padding: 34px 0 28px;
  }

  .footer-inner {
    gap: 20px;
  }

  footer p {
    font-size: 11px;
    line-height: 1.65;
  }

  .mobile-view-switch {
    margin-top: 25px;
    padding-top: 22px;
  }

  .floating-contact {
    width: 52px;
    height: 52px;
    font-size: 13px;
  }
}


/* v13: 하나의 박스처럼 보이는 다중 첨부파일 UI */
.multi-file-uploader {
  margin: 4px 0 20px;
  padding: 20px;
  border: 1px dashed #cbd5e1;
  border-radius: 16px;
  background: #ffffff;
  transition: border-color .22s ease, box-shadow .22s ease, background .22s ease;
}

.multi-file-uploader:hover,
.multi-file-uploader:focus-within {
  border-color: var(--blue);
  background: #f8fbff;
  box-shadow: 0 0 0 4px rgba(39, 100, 255, .08);
}

.multi-file-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.multi-file-head strong {
  display: block;
  color: var(--navy);
  font-size: 15px;
}

.multi-file-head span {
  display: block;
  margin-top: 5px;
  color: #758196;
  font-size: 12px;
  font-weight: 400;
  line-height: 1.55;
}

.add-file-button {
  flex: 0 0 auto;
  min-height: 42px;
  padding: 0 17px;
  border: 0;
  border-radius: 999px;
  color: white;
  font-weight: 700;
  background: var(--navy);
  cursor: pointer;
  transition: transform .22s ease, background .22s ease, box-shadow .22s ease;
}

.add-file-button:hover,
.add-file-button:focus-visible,
.add-file-button.tap-active {
  transform: translateY(-2px);
  background: var(--blue);
  box-shadow: 0 12px 24px rgba(39, 100, 255, .18);
}

.multi-file-inputs {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.selected-file-list {
  margin-top: 16px;
  display: grid;
  gap: 9px;
}

.empty-file-message {
  margin: 0;
  padding: 13px 14px;
  border-radius: 11px;
  color: #8791a0;
  font-size: 13px;
  text-align: center;
  background: #f6f8fb;
}

.selected-file-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 11px 12px 11px 14px;
  border: 1px solid #e1e6ee;
  border-radius: 11px;
  background: #f8fafc;
}

.selected-file-info {
  min-width: 0;
}

.selected-file-name {
  overflow: hidden;
  color: #334155;
  font-size: 13px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.selected-file-size {
  display: block;
  margin-top: 3px;
  color: #8490a1;
  font-size: 11px;
}

.remove-file-button {
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 50%;
  color: #667085;
  font-size: 17px;
  background: #edf1f6;
  cursor: pointer;
  transition: color .2s ease, background .2s ease, transform .2s ease;
}

.remove-file-button:hover,
.remove-file-button:focus-visible,
.remove-file-button.tap-active {
  transform: scale(1.05);
  color: white;
  background: #d64a4a;
}

.multi-file-limit {
  margin: 13px 2px 0;
  color: #758196;
  font-size: 12px;
  line-height: 1.65;
}

/* v13: 모바일 터치 피드백 */
.button.tap-active {
  transform: translateY(-2px);
  color: white !important;
  background: var(--blue) !important;
  border-color: var(--blue) !important;
  box-shadow: 0 16px 34px rgba(39, 100, 255, .22);
}

.service-card.tap-active {
  transform: translateY(-7px);
  color: white;
  border-color: transparent;
  box-shadow: var(--shadow);
}

.service-card.tap-active::before {
  opacity: 1;
}

.service-card.tap-active .service-number {
  color: #9cc0ff;
}

.service-card.tap-active p,
.service-card.tap-active li {
  color: #d9e3ef;
}

.service-card.tap-active ul {
  border-color: rgba(255,255,255,.14);
}

.service-card.tap-active h3 {
  color: white;
}

.service-card.tap-active .service-icon {
  background: rgba(255,255,255,.10);
}

.estimate-card.tap-active {
  transform: translateY(-5px);
  color: white;
  background: linear-gradient(145deg, #21436f, #0e2341 74%);
  border-color: transparent;
  box-shadow: 0 22px 48px rgba(14, 30, 55, .16);
}

.estimate-card.tap-active > span,
.estimate-card.tap-active strong,
.estimate-card.tap-active em,
.estimate-card.tap-active p,
.estimate-card.tap-active strong small {
  color: white;
}

.brand-positioning article.tap-active,
.support-grid article.tap-active,
.checklist-grid article.tap-active,
.strength-grid > div.tap-active {
  transform: translateY(-4px);
  box-shadow: 0 16px 34px rgba(13, 29, 53, .10);
}

@media (hover: none) and (pointer: coarse) {
  .button:active,
  .add-file-button:active,
  .remove-file-button:active,
  .service-card:active,
  .estimate-card:active,
  .brand-positioning article:active,
  .support-grid article:active,
  .checklist-grid article:active,
  .strength-grid > div:active {
    transform: translateY(-2px);
  }
}

@media (max-width: 680px) {
  .multi-file-uploader {
    padding: 16px 14px;
    border-radius: 14px;
  }

  .multi-file-head {
    align-items: flex-start;
    gap: 12px;
  }

  .multi-file-head strong {
    font-size: 14px;
  }

  .multi-file-head span {
    font-size: 11px;
  }

  .add-file-button {
    min-height: 39px;
    padding: 0 14px;
    font-size: 12px;
  }

  .selected-file-item {
    padding: 10px 10px 10px 12px;
  }

  .selected-file-name {
    font-size: 12px;
  }

  .multi-file-limit {
    font-size: 10px;
  }
}