/* =========================================
   RESET & BASE
   ========================================= */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --navy: #1a1a1a;
  --navy-deep: #0d0d0d;
  --navy-light: #2a2a2a;
  --cyan: #e03a2f;
  --cyan-dark: #c02820;
  --white: #ffffff;
  --gray-light: #f5f5f7;
  --gray-mid: #e0e0e0;
  --gray-text: #888;
  --text-dark: #1a1a1a;
  --text-mid: #444;
  --font-kr: 'Noto Sans KR', sans-serif;
  --font-en: 'Montserrat', sans-serif;
  --header-h: 72px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-kr);
  color: var(--text-dark);
  background: var(--white);
  overflow-x: hidden;
}

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

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

/* =========================================
   UTILITY
   ========================================= */
.section-label {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 14px;
}

.section-header {
  text-align: center;
  padding: 0 20px 56px;
}

.section-header h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 500;
  line-height: 1.25;
  color: var(--text-dark);
  margin-bottom: 14px;
}

.section-header p {
  font-size: 16px;
  color: var(--gray-text);
  line-height: 1.7;
}

.section-header.light h2 { color: var(--text-dark); }
.section-header.light p { color: rgba(0,0,0,.45); }

.btn-primary {
  display: inline-block;
  padding: 14px 32px;
  background: var(--navy);
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: background .25s, transform .2s;
}
.btn-primary:hover { background: var(--navy-light); transform: translateY(-2px); }

.btn-secondary {
  display: inline-block;
  padding: 12px 28px;
  background: transparent;
  color: var(--text-dark);
  font-size: 14px;
  font-weight: 500;
  border-radius: 4px;
  border: 1.5px solid var(--gray-mid);
  cursor: pointer;
  transition: all .25s;
}
.btn-secondary:hover { border-color: var(--navy); color: var(--navy); }

/* =========================================
   MODAL
   ========================================= */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 1;
  transition: opacity .3s;
}

.modal-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.modal-box {
  background: var(--white);
  border-radius: 12px;
  max-width: 500px;
  width: 100%;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
  animation: modalIn .35s cubic-bezier(.34,1.56,.64,1);
}

@keyframes modalIn {
  from { transform: scale(.85); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--gray-mid);
}

.modal-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-dark);
}

.modal-close {
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  color: var(--gray-text);
  padding: 4px 8px;
  border-radius: 4px;
  transition: background .2s;
}
.modal-close:hover { background: var(--gray-light); }

.modal-body {
  padding: 24px;
  line-height: 1.75;
  color: var(--text-mid);
  font-size: 14px;
}

.warning-text {
  font-size: 18px;
  font-weight: 700;
  color: #aa0000;
  margin-bottom: 12px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--gray-mid);
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

/* =========================================
   HEADER
   ========================================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  z-index: 1000;
  transition: background .3s, box-shadow .3s;
}

.header.scrolled {
  background: rgba(255,255,255,0.55);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,.08);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-text {
  font-family: var(--font-kr);
  font-size: 22px;
  font-weight: 900;
  color: var(--text-dark);
  transition: color .3s;
}

.logo-text em {
  font-style: normal;
  color: var(--cyan);
}

.header.scrolled .logo-text { color: var(--navy-deep); }

.nav-desktop {
  display: flex;
  gap: 36px;
}

.nav-desktop a {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-dark);
  transition: color .25s;
  position: relative;
  padding-bottom: 4px;
}

.nav-desktop a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--cyan);
  transition: width .3s;
}

.nav-desktop a:hover { color: var(--cyan); }
.nav-desktop a:hover::after { width: 100%; }

.header.scrolled .nav-desktop a {
  color: var(--text-mid);
}
.header.scrolled .nav-desktop a:hover { color: var(--navy); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: background .3s;
}

.header.scrolled .hamburger span { background: var(--navy); }

/* =========================================
   MOBILE MENU
   ========================================= */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background: var(--white);
  z-index: 1100;
  padding: 80px 32px 40px;
  transition: right .35s cubic-bezier(.4,0,.2,1);
  box-shadow: -8px 0 30px rgba(0,0,0,.15);
}

.mobile-menu.open { right: 0; }

.mobile-menu nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mobile-menu nav a {
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-dark);
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-mid);
  transition: color .2s;
}

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

.mobile-menu-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-mid);
}

.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 1050;
  opacity: 0;
  pointer-events: none;
  transition: opacity .35s;
}

.mobile-overlay.open {
  opacity: 1;
  pointer-events: all;
}

/* =========================================
   HERO
   ========================================= */
@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes float {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(-6px); }
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(5px); }
}

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: #f7f7f7;
}

.hero-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0,0,0,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-noise {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
}

/* Body */
.hero-body {
  position: relative;
  z-index: 5;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: calc(var(--header-h) + 80px) 56px 80px;
  display: flex;
  flex-direction: column;
}

/* Tagline */
.hero-tagline {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 500;
  color: #e03a2f;
  letter-spacing: 0.5px;
  margin-bottom: 24px;
  opacity: 0;
  animation: heroFadeUp .6s .1s ease forwards;
}

/* Title */
.hero-title {
  display: flex;
  flex-direction: column;
  line-height: 0.92;
  margin-bottom: 52px;
  opacity: 0;
  animation: heroFadeUp .7s .25s ease forwards;
}

.ht-solid,
.ht-outline,
.ht-red {
  font-family: var(--font-en);
  font-size: clamp(72px, 12vw, 160px);
  font-weight: 900;
  letter-spacing: -3px;
  text-transform: uppercase;
  display: block;
}

.ht-solid {
  color: #111111;
}

.ht-outline {
  color: transparent;
  -webkit-text-stroke: 2px rgba(0,0,0,0.25);
}

.ht-red {
  color: #e03a2f;
}

/* Bottom row: desc + buttons */
.hero-bottom-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  opacity: 0;
  animation: heroFadeUp .7s .45s ease forwards;
}

.hero-desc {
  font-size: clamp(13px, 1.3vw, 15px);
  font-weight: 400;
  color: rgba(0,0,0,.5);
  line-height: 1.85;
  max-width: 500px;
}

/* CTA column */
.hero-cta-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-shrink: 0;
}

.btn-hero-primary {
  display: inline-block;
  padding: 14px 28px;
  background: transparent;
  color: #111111;
  font-family: var(--font-kr);
  font-size: 14px;
  font-weight: 500;
  border: 1px solid rgba(0,0,0,0.4);
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  letter-spacing: 0.3px;
  transition: background .25s, color .25s, border-color .25s;
  white-space: nowrap;
}
.btn-hero-primary:hover {
  background: #111;
  color: #fff;
  border-color: #111;
}

.btn-hero-outline {
  display: inline-block;
  padding: 14px 28px;
  background: transparent;
  color: rgba(0,0,0,.5);
  font-family: var(--font-kr);
  font-size: 14px;
  font-weight: 500;
  border: 1px solid rgba(0,0,0,0.15);
  border-radius: 6px;
  cursor: pointer;
  text-align: center;
  letter-spacing: 0.3px;
  transition: color .25s, border-color .25s;
  white-space: nowrap;
}
.btn-hero-outline:hover {
  color: #111;
  border-color: rgba(0,0,0,0.4);
}

/* Scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: rgba(0,0,0,.25);
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  z-index: 5;
  animation: float 2.5s ease-in-out infinite;
}
.scroll-arrow {
  font-size: 14px;
  animation: bounce 1.5s ease-in-out infinite;
}

@media (max-width: 768px) {
  .hero-body { padding: calc(var(--header-h) + 48px) 24px 60px; }
  .ht-solid, .ht-outline, .ht-red { letter-spacing: -1px; }
  .hero-bottom-row { flex-direction: column; gap: 28px; }
  .hero-cta-col { flex-direction: row; flex-wrap: wrap; }
}

/* — Ticker Band — */
@keyframes tickerLeft {
  from { transform: translateX(0); }
  to   { transform: translateX(-25%); }
}
@keyframes tickerRight {
  from { transform: translateX(-50%); }
  to   { transform: translateX(0); }
}

.ticker-band {
  position: relative;
  z-index: 10;
  background: #ffffff;
  border-top: 1px solid rgba(0,0,0,0.07);
  border-bottom: 1px solid rgba(0,0,0,0.07);
  overflow: hidden;
  user-select: none;
}

.ticker-row {
  overflow: hidden;
}

.ticker-track {
  display: flex;
  align-items: center;
  white-space: nowrap;
  width: max-content;
  padding: 14px 0;
  animation: tickerLeft 30s linear infinite;
  gap: 0;
}

.ticker-track--reverse {
  animation: tickerRight 35s linear infinite;
}

.ticker-track span {
  font-family: var(--font-kr);
  font-size: 13px;
  font-weight: 500;
  color: rgba(0,0,0,0.45);
  letter-spacing: 0.3px;
  padding: 0 36px;
}

.ticker-dot {
  font-size: 6px !important;
  color: #e03a2f !important;
  padding: 0 !important;
  flex-shrink: 0;
}

/* — Video Modal — */
.video-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.82);
  backdrop-filter: blur(6px);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 1;
  transition: opacity .3s;
}
.video-modal-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}
.video-modal-box {
  position: relative;
  width: 100%;
  max-width: 900px;
}
.video-modal-close {
  position: absolute;
  top: -40px;
  right: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,.12);
  border: none;
  color: rgba(255,255,255,.7);
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s;
}
.video-modal-close:hover { background: rgba(255,255,255,.22); color: var(--white); }
.video-modal-player {
  position: relative;
  padding-bottom: 56.25%;
  border-radius: 12px;
  overflow: hidden;
}
.video-modal-player iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* =========================================
   WORKS
   ========================================= */
.works-section {
  padding: 72px 0 80px;
  background: var(--white);
}

/* 헤더 행: Works + 사례 더보기 */
.works-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 0 40px 28px;
  max-width: 1200px;
  margin: 0 auto;
}

.works-title {
  font-family: var(--font-kr);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 500;
  color: var(--text-dark);
  letter-spacing: 0;
  margin-top: 10px;
  line-height: 1;
}

.works-more-btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 28px;
  border: 1.5px solid var(--text-dark);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dark);
  text-decoration: none;
  transition: all .25s;
  white-space: nowrap;
  flex-shrink: 0;
}
.works-more-btn:hover {
  background: var(--text-dark);
  color: var(--white);
}

/* 카드 그리드: 가로 스크롤 */
.works-grid {
  display: flex;
  gap: 0;
  overflow-x: auto;
  padding: 0 40px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.works-grid::-webkit-scrollbar { display: none; }

/* 개별 카드 */
.work-item {
  flex: 0 0 calc(25% - 3px);
  min-width: 200px;
  cursor: pointer;
  scroll-snap-align: start;
}

/* 이미지 박스 */
.work-item-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  background: #111;
}
.work-item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .55s cubic-bezier(.4,0,.2,1);
}
.work-item:hover .work-item-img img {
  transform: scale(1.06);
}

/* 브랜드명 오버레이 */
.work-item-overlay {
  position: absolute;
  bottom: 20px;
  left: 20px;
  font-family: var(--font-en);
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 800;
  color: var(--white);
  letter-spacing: -0.5px;
  line-height: 1.1;
  text-shadow: 0 2px 12px rgba(0,0,0,.4);
  pointer-events: none;
}

/* 하단 텍스트 */
.work-item-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-dark);
  padding: 14px 4px 0;
  letter-spacing: -0.3px;
}

/* =========================================
   ABOUT
   ========================================= */
.about-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 600px;
  background: #ffffff;
}

/* Left: visual side with stats */
.about-visual-side {
  background: #f4f4f4;
  border-right: 1px solid rgba(0,0,0,0.07);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 60px;
}

.about-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  width: 100%;
  max-width: 360px;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 8px;
  overflow: hidden;
}

.about-stat {
  padding: 40px 32px;
  border-right: 1px solid rgba(0,0,0,0.08);
  border-bottom: 1px solid rgba(0,0,0,0.08);
  background: #ffffff;
}
.about-stat:nth-child(2n) { border-right: none; }
.about-stat:nth-child(3),
.about-stat:nth-child(4) { border-bottom: none; }

.about-stat-num {
  font-family: var(--font-en);
  font-size: clamp(36px, 4vw, 52px);
  font-weight: 900;
  color: #e03a2f;
  line-height: 1;
  margin-bottom: 10px;
  letter-spacing: -1px;
}
.about-stat-num span {
  font-size: 0.65em;
}

.about-stat-label {
  font-size: 12px;
  color: rgba(0,0,0,0.4);
  letter-spacing: 0.3px;
}

/* Right: content side */
.about-content-side {
  padding: 80px 64px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.about-content-side .section-label {
  display: block;
  margin-bottom: 20px;
}

.about-title {
  font-family: var(--font-kr);
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 500;
  color: #111111;
  line-height: 1.25;
  letter-spacing: 0;
  margin-bottom: 36px;
}

.about-body {
  font-size: 14px;
  color: rgba(0,0,0,0.5);
  line-height: 1.9;
  margin-bottom: 20px;
}

.about-body strong {
  color: #111111;
  font-weight: 600;
}

.btn-about {
  display: inline-block;
  margin-top: 12px;
  padding: 13px 24px;
  border: 1px solid rgba(0,0,0,0.25);
  border-radius: 6px;
  color: rgba(0,0,0,0.6);
  font-family: var(--font-kr);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: border-color .25s, color .25s;
  width: fit-content;
}
.btn-about:hover {
  border-color: #111;
  color: #111;
}

@media (max-width: 900px) {
  .about-section { grid-template-columns: 1fr; }
  .about-visual-side { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.07); padding: 60px 32px; }
  .about-content-side { padding: 60px 32px; }
}

/* =========================================
   SERVICES
   ========================================= */
.services-section {
  padding: 100px 0;
  background: #f7f7f7;
}

.services-section .section-header { padding-bottom: 48px; }

.services-grid {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  min-height: 300px;
  cursor: pointer;
  transition: transform .35s, box-shadow .35s;
  background: #ffffff;
  border: 1px solid rgba(0,0,0,0.07);
}

.service-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(0,0,0,.1); }

.service-bg { display: none; }

.service-content {
  position: relative;
  z-index: 2;
  padding: 32px 28px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.service-icon-top {
  margin-bottom: 16px;
}

.service-icon-top img {
  width: 52px;
  height: 52px;
  object-fit: contain;
}

.service-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: #111111;
  margin-bottom: 12px;
  line-height: 1.35;
}

.service-content p {
  font-size: 13.5px;
  color: rgba(0,0,0,.5);
  line-height: 1.75;
  margin-bottom: 20px;
  flex: 1;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.service-tags span {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: rgba(0,0,0,0.4);
  border: 1px solid rgba(0,0,0,0.12);
  border-radius: 4px;
  padding: 3px 8px;
  text-transform: uppercase;
}

.service-card:hover .service-tags span {
  color: rgba(0,0,0,0.65);
  border-color: rgba(0,0,0,0.25);
  transition: color .25s, border-color .25s;
}

/* =========================================
   PROCESS
   ========================================= */
.process-section {
  background: #ffffff;
  padding: 100px 0;
}

.process-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.process-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-top: 60px;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 8px;
  overflow: hidden;
}

.process-step {
  flex: 1;
  padding: 44px 32px;
  border-right: 1px solid rgba(0,0,0,0.08);
  background: #fafafa;
  transition: background .3s;
}

.process-step:last-child {
  border-right: none;
}

.process-step:hover {
  background: #ffffff;
}

.process-arrow {
  display: flex;
  align-items: flex-start;
  padding-top: 56px;
  font-size: 20px;
  color: rgba(255,255,255,0.2);
  flex-shrink: 0;
  width: 0;
  overflow: visible;
  position: relative;
  z-index: 1;
  transform: translateX(-12px);
}

.process-num {
  font-family: var(--font-en);
  font-size: 52px;
  font-weight: 900;
  color: #e03a2f;
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -2px;
}

.process-name {
  font-family: var(--font-en);
  font-size: 15px;
  font-weight: 700;
  color: #111111;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.process-step p {
  font-size: 13.5px;
  color: rgba(0,0,0,0.45);
  line-height: 1.75;
}

@media (max-width: 768px) {
  .process-steps {
    flex-direction: column;
  }
  .process-step {
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .process-step:last-child { border-bottom: none; }
  .process-arrow { display: none; }
}

/* =========================================
   PORTFOLIO
   ========================================= */
.portfolio-section {
  background: #f7f7f7;
  padding: 100px 0;
}

.portfolio-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.portfolio-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 40px;
}

.portfolio-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 500;
  color: var(--text-dark);
  margin-top: 10px;
  line-height: 1.25;
}

.portfolio-more-btn {
  display: inline-flex;
  align-items: center;
  padding: 12px 28px;
  border: 1.5px solid var(--text-dark);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-dark);
  text-decoration: none;
  transition: all .25s;
  white-space: nowrap;
  flex-shrink: 0;
  margin-bottom: 4px;
}

.portfolio-more-btn:hover {
  background: var(--text-dark);
  color: var(--white);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.portfolio-card {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  min-height: 220px;
  background-size: cover;
  background-position: center;
  cursor: pointer;
  transition: transform .35s;
}

.portfolio-card:hover { transform: scale(1.015); }

.portfolio-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0,0,0,0.85) 0%,
    rgba(0,0,0,0.3) 50%,
    rgba(0,0,0,0.1) 100%
  );
}

.portfolio-card-body {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px 24px;
}

.portfolio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}

.portfolio-tags span {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: rgba(255,255,255,0.65);
  background: rgba(255,255,255,0.12);
  border-radius: 4px;
  padding: 3px 8px;
  text-transform: uppercase;
  backdrop-filter: blur(4px);
}

.portfolio-card-title {
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.5;
}

@media (max-width: 768px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .portfolio-card {
    min-height: 200px;
  }
  .portfolio-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}

/* =========================================
   TESTIMONIALS
   ========================================= */
.testimonials-section {
  background: #ffffff;
  padding: 100px 0;
}

.testimonials-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.testimonials-inner .section-header.light h2 {
  font-size: clamp(28px, 4vw, 44px);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 60px;
}

.testimonial-card {
  background: #f9f9f9;
  border: 1px solid rgba(0,0,0,0.07);
  border-radius: 8px;
  padding: 36px 28px 28px;
  display: flex;
  flex-direction: column;
  gap: 0;
  transition: border-color .3s, transform .3s, box-shadow .3s;
}

.testimonial-card:hover {
  border-color: rgba(0,0,0,0.12);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,.07);
}

.testimonial-quote {
  font-family: Georgia, serif;
  font-size: 48px;
  line-height: 0.6;
  color: #e03a2f;
  margin-bottom: 28px;
  font-weight: 700;
}

.testimonial-text {
  font-size: 14px;
  color: rgba(0,0,0,0.55);
  line-height: 1.8;
  flex: 1;
  margin-bottom: 32px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid rgba(0,0,0,0.07);
  padding-top: 20px;
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: rgba(255,255,255,0.9);
  flex-shrink: 0;
}

.testimonial-name {
  font-size: 13px;
  font-weight: 700;
  color: #111111;
  margin-bottom: 4px;
}

.testimonial-role {
  font-size: 11.5px;
  color: rgba(0,0,0,0.4);
  line-height: 1.4;
}

@media (max-width: 900px) {
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
}

/* =========================================
   STATS
   ========================================= */
.stats-section {
  position: relative;
  padding: 80px 0;
  overflow: hidden;
}

.stats-bg {
  position: absolute;
  inset: 0;
  background: #111111;
}

.stats-grid {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}

.stat-item { padding: 20px; }

.stat-number {
  font-family: var(--font-en);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  margin-bottom: 10px;
}

.stat-label {
  font-size: 15px;
  color: rgba(255,255,255,.65);
  font-weight: 400;
}

/* =========================================
   CLIENTS
   ========================================= */
.clients-section {
  padding: 100px 0 80px;
  background: var(--white);
  overflow: hidden;
}

.logos-track-wrapper {
  overflow: hidden;
  padding: 16px 0;
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.logos-track {
  display: flex;
  gap: 0;
  animation: scrollLeft 30s linear infinite;
  width: max-content;
}

.logos-track.reverse {
  animation: scrollRight 35s linear infinite;
}

.logos-track-wrapper:hover .logos-track { animation-play-state: paused; }

@keyframes scrollLeft {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes scrollRight {
  0% { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}

.logo-item {
  flex-shrink: 0;
  width: 160px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-light);
  border-radius: 8px;
  margin: 0 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-text);
  border: 1px solid var(--gray-mid);
  transition: all .25s;
}

.logo-item:hover {
  background: var(--white);
  color: var(--navy);
  border-color: var(--cyan);
  box-shadow: 0 4px 16px rgba(224,58,47,.15);
}

/* =========================================
   CONTACT
   ========================================= */
.contact-section {
  padding: 100px 0;
  background: #f7f7f7;
}

.contact-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-text .section-label.light { color: var(--cyan); }

.contact-text h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 500;
  color: var(--text-dark);
  line-height: 1.3;
  margin-bottom: 20px;
}

.contact-text p {
  font-size: 16px;
  color: rgba(0,0,0,.55);
  line-height: 1.8;
  margin-bottom: 36px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: #ffffff;
  border-radius: 10px;
  border: 1px solid rgba(0,0,0,.1);
}

.info-icon { font-size: 22px; }

.info-item div {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.info-item strong {
  font-size: 16px;
  color: #111111;
  font-weight: 600;
}

.info-item span {
  font-size: 13px;
  color: rgba(0,0,0,.45);
}

/* FORM */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  background: #ffffff;
  border: 1.5px solid rgba(0,0,0,.15);
  border-radius: 8px;
  color: #111111;
  font-family: var(--font-kr);
  font-size: 14px;
  transition: border-color .25s, background .25s;
  outline: none;
  resize: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(0,0,0,.3);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--cyan);
  background: #ffffff;
}

.btn-submit {
  width: 100%;
  padding: 16px;
  background: var(--cyan);
  color: var(--white);
  font-family: var(--font-kr);
  font-size: 15px;
  font-weight: 700;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background .25s, transform .2s;
  margin-top: 4px;
}

.btn-submit:hover {
  background: var(--cyan-dark);
  transform: translateY(-2px);
}

/* =========================================
   FOOTER
   ========================================= */
.footer {
  background: #ffffff;
  padding: 60px 0 0;
  border-top: 1px solid rgba(0,0,0,0.08);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

.footer-top {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 60px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(0,0,0,.08);
}

.footer-logo { font-size: 24px; }

.footer-brand p {
  font-size: 14px;
  color: rgba(0,0,0,.45);
  margin-top: 12px;
  line-height: 1.6;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

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

.footer-col h5 {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(0,0,0,.35);
  margin-bottom: 6px;
}

.footer-col a {
  font-size: 14px;
  color: rgba(0,0,0,.55);
  transition: color .2s;
}

.footer-col a:hover { color: var(--cyan); }

.footer-bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.social-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(0,0,0,.07);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(0,0,0,.5);
  transition: all .25s;
}

.social-icon svg {
  width: 16px;
  height: 16px;
}

.social-icon:hover {
  background: var(--cyan);
  color: var(--white);
}

.footer-legal {
  display: flex;
  gap: 20px;
}

.footer-legal a {
  font-size: 13px;
  color: rgba(0,0,0,.35);
  transition: color .2s;
}

.footer-legal a:hover { color: rgba(0,0,0,.7); }

.footer-copy {
  font-size: 12px;
  color: rgba(0,0,0,.25);
  width: 100%;
  padding-bottom: 24px;
  text-align: center;
}

/* =========================================
   SCROLL TO TOP
   ========================================= */
.scroll-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  border: none;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  opacity: 0;
  transform: translateY(12px);
  transition: all .3s;
  box-shadow: 0 4px 16px rgba(0,0,0,.2);
}

.scroll-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-top:hover {
  background: var(--cyan);
  transform: translateY(-3px);
}

/* =========================================
   ANIMATIONS ON SCROLL
   ========================================= */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .7s ease, transform .7s ease;
}

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

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 1200px) {
  /* Hide video pill when not enough space */
  .hero-video-pill { display: none; }
  .hero-body { max-width: 100%; padding-right: 56px; }
  .hero-stats-bar { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .hero-stat { border-right: none; margin-right: 0; padding-right: 0; }
  .hero-stat:nth-child(odd) {
    border-right: 1px solid rgba(255,255,255,.07);
    margin-right: 20px;
    padding-right: 20px;
  }
}

@media (max-width: 1024px) {
  .about-inner,
  .contact-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .services-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .works-header { padding: 0 24px 20px; }
  .works-grid { padding: 0 24px; }
  .work-item { flex: 0 0 calc(33.333% - 2px); }
}

@media (max-width: 768px) {
  :root { --header-h: 60px; }

  .nav-desktop { display: none; }
  .hamburger { display: flex; }

  .hero-body { padding: calc(var(--header-h) + 40px) 24px 48px; }
  .hero-stats-bar { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .hero-stat { border-right: none !important; margin-right: 0 !important; padding-right: 0 !important; }
  .hero-title { letter-spacing: -1px; }

  .works-header { padding: 0 16px 16px; }
  .works-grid { padding: 0 16px; gap: 0; }
  .work-item { flex: 0 0 72vw; }

  .about-inner,
  .contact-inner {
    padding: 0 24px;
  }

  .card-2 { margin-left: 0; }
  .card-3 { margin-left: 0; }

  .services-grid {
    padding: 0 24px;
    max-width: 100%;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    padding: 0 24px;
  }

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

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .section-header { padding-bottom: 36px; }
}

@media (max-width: 480px) {
  .footer-links {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .modal-footer {
    flex-direction: column;
  }

  .modal-footer button { width: 100%; }
}