:root {
  --bg: #050505;
  --panel: #111113;
  --panel-2: #17171a;
  --text: #f6f3ef;
  --muted: #a6a2a0;
  --line: rgba(255, 255, 255, 0.12);
  --red: #e0162b;
  --red-dark: #9f101f;
  --silver: #d8d2ca;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  word-break: keep-all;
}

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 28px;
  padding: 22px clamp(20px, 4vw, 56px);
  background: rgba(5, 5, 5, 0.72);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(18px);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.site-header.scrolled {
  background: rgba(5, 5, 5, 0.9);
  border-color: var(--line);
}

.brand,
.desktop-nav,
.header-cta {
  display: flex;
  align-items: center;
}

.brand {
  gap: 12px;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  background: var(--red);
  color: white;
  font-size: 13px;
  font-weight: 900;
}

.desktop-nav {
  gap: 28px;
  color: var(--muted);
  font-size: 15px;
}

.desktop-nav a:hover,
.mobile-nav a:hover {
  color: var(--text);
}

.header-cta {
  justify-self: end;
  height: 42px;
  padding: 0 18px;
  border: 1px solid rgba(224, 22, 43, 0.55);
  color: var(--text);
  font-weight: 700;
}

.menu-toggle {
  display: none;
  justify-self: end;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: currentColor;
  transition: transform 0.2s ease;
}

.menu-toggle.is-open span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.menu-toggle.is-open span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  top: 80px;
  left: 16px;
  right: 16px;
  z-index: 19;
  display: none;
  padding: 16px;
  background: rgba(12, 12, 13, 0.98);
  border: 1px solid var(--line);
}

.mobile-nav.is-open {
  display: grid;
  gap: 14px;
}

.hero {
  position: relative;
  min-height: 96vh;
  padding: 132px clamp(20px, 4vw, 56px) 36px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(115deg, rgba(224, 22, 43, 0.18), transparent 32%),
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08), transparent 25%);
}

.line {
  position: absolute;
  width: 1px;
  height: 120%;
  background: rgba(255, 255, 255, 0.08);
  transform: rotate(22deg);
}

.line-a { left: 16%; top: -10%; }
.line-b { left: 52%; top: -18%; }
.line-c { right: 12%; top: -8%; background: rgba(224, 22, 43, 0.32); }

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
  gap: 60px;
  align-items: center;
  max-width: var(--max);
  min-height: calc(96vh - 230px);
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--red);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 28px;
  font-size: clamp(52px, 8vw, 112px);
  line-height: 0.95;
  letter-spacing: 0;
}

.hero-text {
  max-width: 640px;
  color: var(--silver);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border: 1px solid var(--line);
  font-weight: 800;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

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

.btn.primary {
  background: var(--red);
  border-color: var(--red);
  color: white;
}

.btn.secondary {
  background: rgba(255, 255, 255, 0.05);
}

.hero-panel {
  min-height: 500px;
  padding: 26px;
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  border: 1px solid var(--line);
}

.panel-top,
.panel-bottom {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.panel-top strong {
  color: var(--text);
}

.visual-stack {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: 46px 0;
}

.visual-card {
  position: relative;
  min-height: 118px;
  padding: 18px;
  overflow: hidden;
  background: var(--panel-2);
  border: 1px solid var(--line);
}

.visual-card::after {
  content: "";
  position: absolute;
  inset: auto -20% -45% 22%;
  height: 90px;
  background: rgba(255, 255, 255, 0.12);
  transform: rotate(-12deg);
}

.visual-card.wide {
  min-height: 118px;
}

.visual-card.red {
  background: linear-gradient(135deg, var(--red), var(--red-dark));
}

.visual-card span,
.visual-card b {
  position: relative;
  z-index: 1;
}

.visual-card b {
  display: block;
  margin-top: 36px;
  font-size: 38px;
}

.hero-footer {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: var(--max);
  margin: 24px auto 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.hero-footer span {
  padding: 18px;
  border-right: 1px solid var(--line);
  color: var(--muted);
  font-weight: 700;
}

.section {
  padding: 110px clamp(20px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
}

.section-head,
.about-grid,
.card-grid,
.project-grid,
.strength-list,
.process-row,
.review-grid,
.contact-layout {
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
}

.section-head {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 30px;
  margin-bottom: 54px;
}

.section-no {
  color: var(--red);
  font-size: 42px;
  font-weight: 900;
}

h2 {
  max-width: 820px;
  font-size: clamp(34px, 5vw, 68px);
  line-height: 1.05;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 0.86fr;
  gap: 60px;
}

.lead {
  color: var(--silver);
  font-size: clamp(22px, 3vw, 36px);
  line-height: 1.45;
}

.stats {
  display: grid;
  gap: 14px;
}

.stats div {
  display: flex;
  align-items: end;
  justify-content: space-between;
  padding: 26px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.stats strong {
  color: var(--red);
  font-size: 50px;
}

.stats span {
  color: var(--muted);
  font-weight: 700;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.service-card,
.strength-list article,
.process-step,
.review-grid blockquote,
.contact-form {
  background: var(--panel);
  border: 1px solid var(--line);
}

.service-card {
  min-height: 250px;
  padding: 28px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(224, 22, 43, 0.7);
}

.icon {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  margin-bottom: 52px;
  background: rgba(224, 22, 43, 0.13);
  color: var(--red);
  font-weight: 900;
}

.service-card h3,
.project-card h3,
.strength-list h3 {
  font-size: 24px;
}

.service-card p,
.project-card span,
.strength-list p,
.process-step p,
.review-grid p,
.contact-copy p {
  color: var(--muted);
  line-height: 1.7;
}

.projects {
  background: #080808;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.project-card {
  padding: 16px 16px 24px;
  background: #0f0f10;
  border: 1px solid var(--line);
  overflow: hidden;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: rgba(224, 22, 43, 0.7);
}

.project-art {
  position: relative;
  aspect-ratio: 1200 / 760;
  height: auto;
  margin-bottom: 22px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
  background: #17171a;
}

.project-art img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.35s ease;
}

.project-card:hover .project-art img {
  transform: scale(1.04);
}

.project-card p {
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
}

.strength-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.strength-list article {
  display: grid;
  grid-template-columns: 90px 0.55fr 1fr;
  gap: 24px;
  align-items: start;
  padding: 30px 0;
  background: transparent;
  border-width: 0 0 1px;
}

.strength-list span {
  color: var(--red);
  font-weight: 900;
  line-height: 1.35;
  padding-top: 2px;
}

.strength-list h3,
.strength-list p {
  margin-bottom: 0;
}

.process-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.process-step {
  min-height: 230px;
  padding: 24px;
}

.process-step span {
  color: var(--red);
  font-weight: 900;
}

.process-step strong {
  display: block;
  margin: 70px 0 12px;
  font-size: 22px;
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.review-grid blockquote {
  margin: 0;
  padding: 30px;
}

.review-grid p {
  min-height: 150px;
}

.review-grid cite {
  color: var(--text);
  font-style: normal;
  font-weight: 800;
}

.contact {
  background: linear-gradient(180deg, #080808, #050505);
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 54px;
}

.contact-copy {
  align-self: start;
  position: sticky;
  top: 120px;
}

.contact-info {
  display: grid;
  gap: 12px;
  margin-top: 36px;
  color: var(--silver);
  font-weight: 700;
}

.contact-info a {
  width: fit-content;
  color: var(--text);
  border-bottom: 1px solid rgba(224, 22, 43, 0.75);
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  padding: 28px;
}

.contact-form label {
  display: grid;
  gap: 9px;
}

.form-trap {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact-form span {
  color: var(--silver);
  font-size: 14px;
  font-weight: 800;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: #09090a;
  color: var(--text);
  padding: 15px 14px;
  outline: none;
}

.contact-form button:disabled {
  cursor: wait;
  opacity: 0.65;
  transform: none;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--red);
}

.full {
  grid-column: 1 / -1;
}

.form-message {
  grid-column: 1 / -1;
  min-height: 24px;
  margin: 0;
  color: var(--silver);
  font-weight: 700;
}

.form-message.error {
  color: #ff7b86;
}

.form-message.success {
  color: #f6f3ef;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  padding: 30px clamp(20px, 4vw, 56px);
  color: var(--muted);
}

.site-footer p {
  margin: 0;
  color: var(--text);
  font-weight: 900;
}

.site-footer address {
  max-width: 680px;
  color: var(--muted);
  font-style: normal;
  line-height: 1.8;
  text-align: right;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .desktop-nav,
  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .hero-inner,
  .about-grid,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    min-height: auto;
  }

  .hero-footer,
  .card-grid,
  .project-grid,
  .process-row,
  .review-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .contact-copy {
    position: static;
  }

  .strength-list article {
    grid-template-columns: 70px 1fr;
  }

  .strength-list p {
    grid-column: 2;
  }
}

@media (max-width: 640px) {
  .site-header {
    padding: 16px 18px;
  }

  .mobile-nav {
    top: 70px;
  }

  .hero {
    min-height: auto;
    padding-top: 110px;
  }

  h1 {
    font-size: 48px;
  }

  .section {
    padding: 76px 18px;
  }

  .section-head {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .section-no {
    font-size: 28px;
  }

  .hero-footer,
  .card-grid,
  .project-grid,
  .process-row,
  .review-grid,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .visual-stack {
    margin: 42px 0;
  }

  .visual-card.wide {
    grid-column: span 1;
  }

  .stats div,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-footer address {
    text-align: left;
  }

  .strength-list article {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .strength-list p {
    grid-column: auto;
  }
}