@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css');

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
  background: #0d0d0d;
  color: #f5f5f5;
  scroll-behavior: smooth;
}
a { color: inherit; text-decoration: none; }

:root {
  --c-black: #0d0d0d;
  --c-black-soft: #171717;
  --c-yellow: #f4d03f;
  --c-yellow-deep: #ddb521;
  --c-white: #ffffff;
}

.reveal {
  opacity: 0;
  transform: translateY(28px) scale(0.98);
  filter: blur(6px);
  transition: opacity .9s ease, transform .9s ease, filter .9s ease;
  will-change: opacity, transform, filter;
}
.reveal.show {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px clamp(18px, 4vw, 36px);
  background: rgba(13, 13, 13, 0.82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #2a2a2a;
}
.nav { position: sticky; }
.nav nav { display: flex; gap: 18px; color: #e6e6e6; font-weight: 500; }
.nav nav a { transition: color .2s ease; display: inline-flex; align-items: center; gap: 6px; }
.nav nav a span { color: #ffffff; font-size: .72em; }
.nav nav a.contact-nav span {
  color: #dcbc58;
  font-weight: 800;
}
.nav nav a.contact-nav {
  color: #dcbc58;
  font-weight: 800;
}
.nav nav a:not(.contact-nav):hover,
.nav nav a:not(.contact-nav):hover span {
  color: #dcbc58;
}
.nav nav a.contact-nav:hover,
.nav nav a.contact-nav:hover span {
  color: #ffffff;
}
.logo {
  font-weight: 800;
  letter-spacing: 0.4px;
  color: #ffffff;
  font-size: 1.05rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.logo-icon {
  width: 26px;
  height: 26px;
  object-fit: contain;
  display: inline-block;
}

.video-hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.video-hero,
.section {
  transition: opacity .18s linear, filter .18s linear;
  will-change: opacity, filter;
}
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #0f1a30;
}
.video-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11,20,43,.35) 0%, rgba(8,15,35,.55) 100%);
}
.video-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  padding: 0 20px;
  transition: opacity .25s linear, transform .25s linear;
}
.hero-topline {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  margin: 0;
  color: #ffffff;
  font-size: 1.05rem;
  font-family: 'Pretendard', 'Noto Sans KR', sans-serif;
  font-weight: 800;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  text-align: center;
  pointer-events: none;
}
.video-kicker {
  display: inline-block;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: .82rem;
  letter-spacing: .12em;
}
.video-content h1 {
  font-size: clamp(22px, 6.8vw, 66px);
  margin: 16px 0 10px;
  letter-spacing: -.03em;
  opacity: .5;
}
.ff-accent { color: #ffffff; }
.video-content p {
  margin: 0;
  font-size: clamp(16px, 2.2vw, 24px);
  opacity: .94;
}
.cta-wrap { display: flex; gap: 12px; margin-top: 30px; flex-wrap: wrap; }
.btn {
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform .18s ease, box-shadow .2s ease, background .2s ease;
  border: 1px solid transparent;
}
.btn::after {
  content: "↗";
  font-size: .88em;
  opacity: .85;
}
.btn:hover { transform: translateY(-2px); }
.btn.primary {
  background: linear-gradient(135deg, var(--c-yellow) 0%, #f7dc6f 100%);
  color: #111;
  border-color: var(--c-yellow-deep);
  box-shadow: 0 10px 24px rgba(244, 208, 63, 0.28);
}
.btn.ghost {
  border: 1px solid rgba(255,255,255,.3);
  color: var(--c-white);
  background: rgba(255,255,255,.06);
}
.btn.ghost:hover { box-shadow: 0 8px 18px rgba(0, 0, 0, 0.22); }

.section {
  max-width: 1100px;
  margin: 0 auto;
  padding: clamp(56px, 8vw, 84px) 28px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.section + .section { margin-top: 64px; }
#company, #about, #service, #work, #contact { scroll-margin-top: 90px; }
#about {
  padding-bottom: 88px;
  position: relative;
  overflow: hidden;
}
#about::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('./assets/about/slogan-bg.bmp') center center / contain no-repeat;
  opacity: .2;
  pointer-events: none;
}
#about > * {
  position: relative;
  z-index: 1;
}
#about .about-slogan,
#about .about-desc {
  color: #ffffff;
  text-shadow: 0 1px 8px rgba(0,0,0,0.45);
}
#about .about-kicker {
  font-size: calc(1rem + 3pt);
}
#about .about-slogan {
  font-size: 45px;
}
.section h2 {
  font-size: clamp(30px, 4.2vw, 44px);
  margin: 0 0 24px;
  color: #ffffff;
  letter-spacing: -0.02em;
}
.section-service h2 { color: #dcbc58; }
.section-service .tile,
.section-service p,
.section-service h3 {
  color: #111111;
}
.section-service .tile {
  width: 100%;
  min-height: 150px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 0;
  text-align: center;
  padding: 22px 24px;
  font-size: 0;
  background: radial-gradient(circle at 50% 50%, #e1e1e1 0%, #d1d1d1 52%, #b4b4b4 100%);
  border: 1px solid rgba(255, 255, 255, 0.35);
  box-shadow: 0 10px 24px rgba(255, 255, 255, 0.08);
}
.section-service .tile strong {
  display: block;
  font-size: clamp(18px, 2.05vw, 26px);
  line-height: 1.06;
  margin: 0 0 7px;
}
.section-service .tile strong .sub-mini {
  font-size: calc(1em - 2pt);
}
.section-service .tile small {
  display: block;
  font-size: clamp(12px, 1.35vw, 16px);
  line-height: 1.2;
  margin-top: 0;
  color: rgba(17,17,17,0.82);
}
.section-service .tile .tile-note {
  margin-top: 8px;
  font-size: clamp(11px, 1.25vw, 15px);
  line-height: 1.25;
  text-align: center;
}
.section-service .tile.service-ai-edu small {
  letter-spacing: -0.02em;
}
.section-work h2,
.section-work .card h3,
.section-work .card p {
  color: #ffffff;
}
#work h2 {
  color: #dcbc58;
}
.about-kicker {
  color: var(--c-yellow);
  letter-spacing: .12em;
  font-weight: 700;
  font-size: calc(.86rem + 13pt);
  margin: 0 0 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.about-slogan {
  margin: 0 0 14px;
  font-size: clamp(27px, 3.2vw, 37px);
  color: #ffffff;
}
.about-desc {
  margin: 0 0 8px;
  color: #e0e0e0;
  line-height: 1.8;
  max-width: none;
  white-space: nowrap;
  font-size: calc(1rem + 3pt);
}
.about-desc-en {
  margin: 0 0 24px;
  color: rgba(255, 255, 255, 0.84);
  line-height: 1.8;
  white-space: nowrap;
  text-shadow: 0 2px 10px rgba(255, 255, 255, 0.18);
}
.section.dark {
  border-radius: 20px;
}

.section-about {
  background: #0d0d0d;
  border: none;
  box-shadow: none;
  border-radius: 0;
  max-width: 100%;
  min-height: 50vh;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding-top: clamp(28px, 4vw, 44px);
  padding-bottom: clamp(28px, 4vw, 44px);
}
.section-about .cards { display: none; }

.section-company {
  background: #0d0d0d;
  min-height: 100vh;
  justify-content: flex-start;
  gap: 0;
  padding-top: 480px;
  padding-bottom: 120px;
}
.company-visual {
  width: min(96vw, 1960px);
  height: auto;
  display: block;
  margin: 0 auto 14px;
  opacity: 0.5;
}
.section-company .about-desc {
  white-space: normal;
  max-width: 980px;
  margin-bottom: 0;
}
.section-company .company-extra {
  margin-top: 0;
  line-height: 1.75;
}
.section-company .company-line {
  display: flex;
  justify-content: center;
  align-items: center;
  line-height: 1.75;
}
.section-company .company-em {
  display: inline-flex;
  align-items: center;
  font-size: calc(1em + 5pt);
  line-height: 1;
  vertical-align: middle;
}
.section-company .company-bottom {
  margin-top: 10px;
  line-height: 1.75;
  letter-spacing: .12em;
}
.section-service {
  background: #0d0d0d;
  border: none;
  box-shadow: none;
  justify-content: center;
  min-height: 100vh;
  padding-top: clamp(224px, 28vw, 328px);
  padding-bottom: clamp(56px, 8vw, 96px);
  transform: scale(1.1);
  transform-origin: top center;
}
.section-work {
  background: #0d0d0d;
  border: none;
  box-shadow: none;
  border-radius: 0;
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
}
.section-contact {
  background: #0d0d0d !important;
  border: none !important;
  box-shadow: none !important;
  border-radius: 0;
  max-width: 100%;
  min-height: 100vh;
  justify-content: flex-start;
  align-items: stretch;
}

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.portfolio-note {
  margin: -16px 0 18px;
  color: #ffffff;
  line-height: 1.5;
  font-size: calc(1rem + 3pt);
}
.portfolio-cards { align-items: stretch; }
.portfolio-card {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: stretch;
}
.portfolio-desc {
  margin: 0 0 10px;
  text-align: left;
  font-size: calc(1rem + 2pt);
}
.portfolio-video {
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.12);
  background: #000;
}
.portfolio-thumb-link {
  display: block;
  line-height: 0;
}
.portfolio-thumb {
  display: block;
}

.video-modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10000;
}
.video-modal.show { display: flex; }
.video-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.76);
}
.video-modal-card {
  position: relative;
  width: min(92vw, 1200px);
  aspect-ratio: 16 / 9;
  z-index: 1;
  border-radius: 12px;
  overflow: hidden;
  background: #000;
  border: 1px solid rgba(255,255,255,.18);
}
.video-modal-card iframe {
  width: 100%;
  height: 100%;
  border: 0;
}
.video-modal-close {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 999px;
  background: rgba(0,0,0,.62);
  color: #fff;
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
}
body.modal-open {
  overflow: hidden;
}
.card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 22px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
  transition: transform .18s ease, box-shadow .2s ease;
}
.section-work .card {
  background: #171717;
  border: 1px solid #2f2f2f;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 28px rgba(28, 56, 117, 0.11);
}
.card h3 { margin: 0 0 10px; color: #ffffff; font-size: 1.16rem; }
.card p { margin: 0; color: #ececec; line-height: 1.7; }

.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.service-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.tile {
  min-height: 110px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 16px;
  background: rgba(255, 255, 255, 0.52);
  border: 1px solid rgba(105, 88, 30, 0.22);
  color: #111;
  font-weight: 700;
  box-shadow: 0 8px 18px rgba(93, 72, 18, 0.12);
  transition: transform .18s ease, box-shadow .2s ease;
  position: relative;
}
.tile::before {
  content: "✦";
  position: absolute;
  top: 10px;
  right: 12px;
  color: rgba(116, 87, 18, .6);
  font-size: .9rem;
}
.tile:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 24px rgba(28, 56, 117, 0.12);
}

.contact { text-align: left; }
.contact-dark {
  background: #0d0d0d !important;
  border: none !important;
  box-shadow: none !important;
}
.contact-dark h2,
.contact-dark p,
.contact-dark label,
.contact-dark span,
.contact-dark .file-guide {
  color: #fff;
}
.contact-dark h2 { color: #dcbc58; }

.contact-heading {
  text-align: center;
  margin-bottom: 0;
}
.contact-eyebrow {
  margin: 0 0 8px;
  font-size: clamp(18px, 2vw, 34px);
  letter-spacing: .02em;
}
.contact-heading h2 {
  margin: 0;
  font-size: clamp(48px, 7vw, 92px);
}
.contact-subline {
  margin: 10px 0 112px;
  color: #ffffff;
  font-size: clamp(18px, 2vw, 30px);
  font-weight: 500;
}

.contact-layout {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 460px minmax(560px, 1fr);
  gap: 34px;
  align-items: start;
}
.contact-info {
  display: grid;
  gap: 18px;
}
.info-card {
  background: radial-gradient(circle at 50% 50%, #e1e1e1 0%, #d1d1d1 52%, #b4b4b4 100%);
  border-radius: 18px;
  padding: 26px 30px;
  min-height: 170px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.info-card h3 {
  margin: 0 0 14px;
  color: #f0cf63;
  text-shadow: 0 1px 6px rgba(110, 80, 10, 0.25);
  font-size: 28px;
  line-height: 1.15;
}
.info-card p {
  margin: 0 0 8px;
  color: #505050;
  line-height: 1.45;
  font-size: 18px;
}
.info-card p:last-child { margin-bottom: 0; }
.info-card-info {
  justify-content: center;
}
.info-card-info p {
  margin-bottom: 0;
}
.info-card-info .info-note {
  line-height: 1.45;
  margin-top: 0;
  margin-bottom: 0;
}
.copy-email,
.copy-phone {
  background: transparent;
  border: 0;
  padding: 0;
  margin: 0;
  color: inherit;
  font: inherit;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.contact-form.dark-form {
  max-width: none;
  margin: 0;
  text-align: left;
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
}
.contact-form.dark-form label { display: block; margin-bottom: 16px; }
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.contact-form.dark-form span {
  display: block;
  font-size: 27px;
  color: #f3f3f3;
  margin-bottom: 8px;
  font-weight: 600;
}
.contact-form.dark-form em { color: #ff4a4a; font-style: normal; }
.contact-form.dark-form input,
.contact-form.dark-form textarea {
  width: 100%;
  border: 1px solid #f3f3f3;
  background: transparent;
  color: #fff;
  border-radius: 0;
  padding: 12px 12px;
  font: inherit;
}
.contact-form.dark-form input.field-filled,
.contact-form.dark-form textarea.field-filled {
  border-color: #4a90ff;
  background: rgba(135, 206, 250, 0.22);
  box-shadow: 0 0 0 1px rgba(74, 144, 255, 0.45);
}
.phone-row {
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 360px;
}
.phone-row input { width: 100px !important; }
.phone-row b { color: #fff; font-weight: 600; }
.file-guide {
  margin: 8px 0 14px;
  color: #ddd !important;
}
.privacy-consent {
  display: flex !important;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  cursor: pointer;
}
.privacy-consent input[type="checkbox"] {
  width: 18px !important;
  height: 18px;
  margin: 0;
  border-radius: 50%;
  accent-color: #dcbc58;
  flex: 0 0 auto;
}
.privacy-consent span {
  margin: 0 !important;
  font-size: 16px !important;
  line-height: 1.4;
  color: #e8e8e8 !important;
  font-weight: 500 !important;
  display: inline !important;
}
.privacy-policy-link {
  border: 0;
  background: transparent;
  color: #dcbc58;
  font: inherit;
  padding: 0;
  margin: 0;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.privacy-modal-card {
  width: min(94vw, 980px);
  aspect-ratio: auto;
  height: min(86vh, 980px);
}
.privacy-modal-card iframe {
  width: 100%;
  height: 100%;
  border: 0;
  background: #fff;
}
.form-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-top: 8px;
  gap: 12px;
  flex-wrap: nowrap;
}
.file-upload-wrap {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
}
.file-name-indicator {
  color: #ddd;
  font-size: 10px;
  max-width: none;
  white-space: nowrap;
  overflow: visible;
  text-overflow: clip;
}
.file-btn {
  display: inline-grid;
  grid-auto-flow: column;
  place-content: center;
  justify-content: center;
  align-content: center;
  column-gap: 6px;
  background: var(--c-white);
  color: #111 !important;
  border-radius: 999px;
  width: 132px;
  min-width: 132px;
  height: 42px;
  padding: 0 18px;
  cursor: pointer;
  font-weight: 600;
  font-size: inherit;
  line-height: 1;
  border: 1px solid #b79a43;
  white-space: nowrap;
  text-align: center;
}
.file-btn::before {
  content: "⬆";
  font-size: .85em;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.file-btn input { display: none; }
.submit-btn {
  border: 0;
  cursor: pointer;
  width: auto;
  min-width: 132px;
  background: #dcbc58;
  color: #111;
  border-radius: 999px;
  padding: 10px 26px;
  font-size: inherit;
  font-weight: 600;
  border: 1px solid #b79a43;
  box-shadow: none;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.submit-btn::after { content: none; }
footer { text-align: center; color: #cfcfcf; padding: 36px 12px 42px; font-size: .95rem; }

.submit-modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,.62);
  z-index: 9999;
}
.submit-modal.show { display: flex; }
.submit-modal-card {
  width: min(90vw, 520px);
  background: #111;
  border: 1px solid #3a3a3a;
  border-radius: 14px;
  padding: 24px 20px;
  text-align: center;
}
.submit-modal-card p {
  margin: 0 0 16px;
  color: #fff;
  line-height: 1.6;
}
.submit-modal-card button {
  border: 0;
  border-radius: 999px;
  background: #dcbc58;
  color: #111;
  padding: 10px 20px;
  cursor: pointer;
  font-weight: 700;
}

@media (max-width: 1200px) {
  .section {
    padding-left: 22px;
    padding-right: 22px;
  }
  .section-company {
    padding-top: clamp(220px, 28vw, 360px);
    padding-bottom: clamp(72px, 8vw, 120px);
  }
  .section-service {
    transform: scale(1.04);
    padding-top: clamp(140px, 22vw, 240px);
  }
  .contact-layout {
    grid-template-columns: 360px minmax(0, 1fr);
    gap: 24px;
  }
}

@media (max-width: 992px) {
  .nav {
    padding-top: 12px;
    padding-bottom: 12px;
  }
  .nav nav {
    gap: 12px;
    font-size: .95rem;
  }
  .hero-topline {
    font-size: .95rem;
    letter-spacing: .3px;
  }
  .section + .section { margin-top: 36px; }
  .section {
    min-height: auto;
    padding-top: clamp(66px, 10vw, 94px);
    padding-bottom: clamp(66px, 10vw, 94px);
  }
  .section-company {
    min-height: auto;
    padding-top: clamp(160px, 22vw, 280px);
  }
  .section-service {
    transform: scale(1);
    padding-top: clamp(96px, 14vw, 170px);
    padding-bottom: clamp(52px, 8vw, 92px);
  }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .service-list { grid-template-columns: 1fr; }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-subline { margin-bottom: 54px; }
}

@media (max-width: 768px) {
  .nav {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }
  .logo { align-self: flex-start; }
  .hero-topline {
    position: static;
    transform: none;
    width: 100%;
    order: 2;
    text-align: center;
    font-size: .88rem;
    line-height: 1.25;
  }
  .nav nav {
    order: 3;
    width: 100%;
    overflow-x: auto;
    white-space: nowrap;
    padding-bottom: 2px;
  }
  .video-content h1 { font-size: clamp(30px, 9vw, 48px); }
  #about .about-slogan { font-size: clamp(30px, 8vw, 42px); }
  .about-kicker,
  .about-desc,
  .about-desc-en {
    white-space: normal;
    line-height: 1.6;
  }
  .section-company .company-line {
    display: block;
    line-height: 1.7;
  }
  .cards,
  .grid { grid-template-columns: 1fr; }
  .portfolio-video { aspect-ratio: 16 / 9; height: auto; }
  .video-modal-card {
    width: min(96vw, 920px);
    border-radius: 10px;
  }
  .info-card {
    min-height: auto;
    padding: 20px 22px;
  }
  .info-card h3 { font-size: 22px; }
  .info-card p { font-size: 15px; }
  .phone-row { max-width: 100%; }
  .phone-row input { width: 31% !important; }
}

@media (max-width: 560px) {
  .section {
    padding-left: 16px;
    padding-right: 16px;
  }
  .hero-topline {
    font-size: .8rem;
    letter-spacing: .02em;
  }
  .contact-heading h2 { font-size: clamp(34px, 11vw, 52px); }
  .contact-eyebrow,
  .contact-subline { font-size: clamp(14px, 4.2vw, 20px); }
  .btn {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
  .cta-wrap { gap: 10px; }
}