/* =============================================
   GNS SIGN TRON — Design System
   ============================================= */

:root {
  --bg:        #f8f9fa;
  --dark:      #0d1b2a;
  --dark-mid:  #1e3a5f;
  --accent:    #ff4d00;
  --accent-dim: rgba(255,77,0,0.12);
  --text:      #111111;
  --text-mid:  #374151;
  --text-light:#64748b;
  --white:     #ffffff;
  --border:    rgba(13,27,42,0.1);

  --pad-section: clamp(72px,10vw,128px);
  --pad-section-sm: clamp(48px,6vw,80px);
  --container: min(1180px, 100% - clamp(32px,5vw,80px));
  --gap:       clamp(16px,2.5vw,32px);
  --radius:    8px;
  --radius-lg: 16px;
  --transition:0.3s cubic-bezier(0.4,0,0.2,1);

  --header-h:  72px;
  --font-base: 'Noto Sans KR', system-ui, sans-serif;
  --font-en:   'Barlow', sans-serif;
  --font-mono: 'JetBrains Mono','Fira Mono','Courier New',monospace;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
img { -webkit-user-select: none; user-select: none; pointer-events: none; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-base);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }

/* ── Typography ── */

.section-title {
  font-size: clamp(26px,3.5vw,42px);
  font-weight: 800; color: var(--text);
  letter-spacing: -0.02em; line-height: 1.2;
}
.section-title.on-dark { color: var(--white); }

/* ── Scroll Reveal ── */
.reveal {
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── Container ── */
.container { width: var(--container); margin-inline: auto; }

/* ── Utilities ── */
.text-center { text-align: center; }
.mt-sm { margin-top: clamp(16px,2vw,24px); }
.mt-md { margin-top: clamp(24px,3vw,40px); }
.mt-lg { margin-top: clamp(40px,5vw,64px); }

/* ── Buttons ── */
.btn-cta {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 36px;
  background: var(--accent); color: var(--white);
  font-size: 15px; font-weight: 700; letter-spacing: 0.04em;
  border-radius: var(--radius); border: 2px solid var(--accent);
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}
.btn-cta:hover {
  background: transparent; color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent);
}

.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 32px;
  border: 1.5px solid var(--accent); border-radius: var(--radius);
  font-size: 14px; font-weight: 700; letter-spacing: 0.04em; color: var(--accent);
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.btn-outline:hover { background: var(--accent); color: var(--white); transform: translateY(-2px); }

.btn-outline-light {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 32px;
  border: 1.5px solid rgba(255,255,255,0.4); border-radius: var(--radius);
  font-size: 14px; font-weight: 700; letter-spacing: 0.04em; color: var(--white);
  transition: border-color var(--transition), color var(--transition), transform var(--transition);
}
.btn-outline-light:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

.btn-dark {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 32px; background: var(--dark);
  border: 1.5px solid var(--dark); border-radius: var(--radius);
  font-size: 14px; font-weight: 700; color: var(--white);
  transition: background var(--transition), transform var(--transition);
}
.btn-dark:hover { background: #162840; transform: translateY(-2px); }

.btn-arrow { width: 16px; height: 16px; flex-shrink: 0; }

/* ── Sections Base ── */
.section { padding-block: var(--pad-section); }
.section.sm { padding-block: var(--pad-section-sm); }
.section-dark { background: var(--dark); color: var(--white); padding-block: var(--pad-section); }
.section-bg { background: var(--bg); }

/* ── Section Header ── */
.section-header { margin-bottom: clamp(48px,7vw,80px); }
.section-header--center { text-align: center; }
.section-header--center { text-align: center; }

.section-sub {
  margin-top: clamp(18px,2.5vw,24px);
  font-size: clamp(14px,1.5vw,16px);
  color: var(--text-light);
  line-height: 1.8;
  max-width: 520px;
}
.section-header--center .section-sub { margin-inline: auto; }

/* ============================================================
   HEADER
============================================================ */
#site-header {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--header-h);
  background: rgba(248,249,250,0.95);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: box-shadow var(--transition);
}
#site-header.scrolled { box-shadow: 0 2px 20px rgba(13,27,42,0.08); }

.header-inner {
  width: var(--container); margin-inline: auto; height: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}

.site-logo { display: flex; align-items: center; flex-shrink: 0; }
.logo-svg { height: 38px; width: auto; }

.site-nav { display: flex; align-items: center; gap: clamp(20px,3vw,40px); }
.site-nav a {
  font-size: 14px; font-weight: 500; color: var(--text-mid);
  letter-spacing: 0.02em; position: relative; padding: 4px 0;
  transition: color var(--transition);
}
.site-nav a::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 100%;
  height: 1.5px; background: var(--accent);
  transition: right var(--transition);
}
.site-nav a:hover { color: var(--text); }
.site-nav a:hover::after { right: 0; }

.nav-cta-btn {
  font-size: 13px; font-weight: 700; padding: 9px 22px;
  border: 1.5px solid var(--accent); border-radius: 5px; color: var(--text);
  letter-spacing: 0.05em;
  transition: background var(--transition), color var(--transition);
}
.nav-cta-btn:hover { background: var(--accent); color: var(--white); }

.menu-toggle {
  display: none; flex-direction: column; justify-content: center;
  gap: 5px; width: 36px; height: 36px; padding: 4px;
}
.menu-toggle span {
  display: block; height: 2px; background: var(--dark); border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  display: none; position: fixed; top: var(--header-h); left: 0; right: 0;
  background: var(--white); border-bottom: 1px solid var(--border);
  padding: 20px 0; z-index: 999;
  transform: translateY(-100%); opacity: 0;
  transition: transform var(--transition), opacity var(--transition);
}
.mobile-nav.open { transform: translateY(0); opacity: 1; }
.mobile-nav ul { padding: 0 clamp(20px,5vw,40px); display: flex; flex-direction: column; gap: 4px; }
.mobile-nav a {
  display: block; padding: 12px 0; font-size: 16px; font-weight: 500;
  color: var(--text-mid); border-bottom: 1px solid var(--border);
  transition: color var(--transition);
}
.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav a:hover { color: var(--accent); }

/* ============================================================
   HERO
============================================================ */
/* Hero photo wrap */
.hero-photo-wrap {
  margin-top: var(--header-h);
  width: 100%;
  height: calc(100svh - var(--header-h));
  position: relative;
  overflow: hidden;
  background: var(--dark);
}
.hero-bg-slider { position: absolute; inset: 0; overflow: hidden; }
.hero-bg-slide {
  position: absolute; inset: 0;
  opacity: 0; transition: opacity 1.6s ease;
}
.hero-bg-slide.active { opacity: 1; }
.hero-bg-slide img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center; display: block;
}

/* Hero text section */
.hero-text-section {
  padding: clamp(34px,4vw,50px) 0 clamp(48px,7vw,80px);
}

@media (max-width: 768px) {
  .hero-photo-wrap {
    height: calc(70svh - var(--header-h));
  }
  .hero-photo-wrap .hero-bg-slide img {
    object-fit: cover;
  }
  .hero-text-section { text-align: center; }
  .hero-label { justify-content: center; }
  .hero-sub { margin-inline: auto; }
}
.hero-content {
  position: relative; z-index: 2;
  width: 100%; padding-block: clamp(80px,12vw,140px);
}
.hero-label {
  font-family: var(--font-mono); font-size: 11px; font-weight: 700;
  letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 24px;
  display: flex; align-items: center; gap: 10px;
}
.hero-label::before {
  content: ''; width: 24px; height: 2px; background: var(--accent);
}
.hero-h1 {
  font-family: var(--font-en); font-size: clamp(44px,8vw,96px);
  font-weight: 900; color: var(--white);
  line-height: 1.0; letter-spacing: -0.03em;
  margin-bottom: 32px;
}
.hero-h1 span { color: var(--accent); }
.hero-sub {
  font-size: clamp(15px,1.8vw,18px); color: rgba(255,255,255,0.65);
  line-height: 1.9; max-width: 480px; margin-bottom: 48px;
}

.hero-scroll {
  position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%);
  z-index: 2; display: flex; flex-direction: column; align-items: center;
}
.hero-scroll span {
  display: block; width: 1px; height: 56px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.45), transparent);
  animation: heroScroll 2.2s ease-in-out infinite;
}
@keyframes heroScroll {
  0%   { transform: scaleY(0); transform-origin: top; opacity: 1; }
  50%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
  50.1%{ transform: scaleY(1); transform-origin: bottom; opacity: 1; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}
@media (max-width: 768px) { .hero-scroll { display: none; } }

/* ============================================================
   CASES SECTION
============================================================ */
#cases { background: var(--white); padding-block: var(--pad-section); }

.cases-header { margin-bottom: clamp(48px,7vw,88px); }

.case-block {
  padding-block: clamp(48px,7vw,80px);
  border-top: 1px solid var(--border);
}
.case-block:last-of-type { border-bottom: 1px solid var(--border); }

.case-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px,6vw,80px);
  align-items: center;
}
@media (max-width: 900px) {
  .case-inner { grid-template-columns: 1fr; gap: clamp(24px,4vw,40px); }
}
.case-block--reverse .case-slider-col { order: 2; }
.case-block--reverse .case-text-col  { order: 1; }
@media (max-width: 900px) {
  .case-block--reverse .case-slider-col { order: 0; }
  .case-block--reverse .case-text-col  { order: 0; }
}

.case-slider-col { display: flex; flex-direction: column; }
.case-text-col   { display: flex; flex-direction: column; gap: 16px; }

.case-slider-wrap {
  position: relative; overflow: hidden;
  border-radius: var(--radius-lg); aspect-ratio: 16/9;
  background: var(--dark);
}
@media (max-width: 600px) { .case-slider-wrap { aspect-ratio: 4/3; } }

.slider-track {
  display: flex; height: 100%;
  transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
}
.slide {
  min-width: 100%; height: 100%; overflow: hidden;
  background: var(--dark);
}
.slide img { width: 100%; height: 100%; object-fit: cover; }

.slider-dots {
  display: flex; justify-content: center; gap: 8px; margin-top: 14px;
}
.dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: rgba(13,27,42,0.2); cursor: pointer;
  transition: background var(--transition), box-shadow var(--transition);
}
.dot.active { background: var(--accent); box-shadow: 0 0 8px rgba(255,77,0,0.5); }

.case-location {
  font-family: var(--font-mono); font-size: 10px; font-weight: 700;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent);
  display: flex; align-items: center; gap: 8px;
}
.case-location::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent); flex-shrink: 0;
}
.case-title {
  font-size: clamp(20px,2.5vw,28px); font-weight: 800;
  color: var(--text); line-height: 1.3; letter-spacing: -0.02em;
}
.case-desc { font-size: 14px; color: var(--text-light); line-height: 1.8; }

.case-link {
  display: inline-flex; align-items: center; gap: 6px; margin-top: 8px;
  font-size: 13px; font-weight: 700; color: var(--accent);
  transition: gap 0.2s;
}
.case-link:hover { gap: 10px; }

.cases-footer,
.cases-more,
.guide-more {
  display: flex; justify-content: center;
  margin-top: clamp(48px,7vw,80px);
}

/* ============================================================
   BRAND STORY
============================================================ */
.brand-split {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(48px,8vw,112px); align-items: center;
}
@media (max-width: 768px) { .brand-split { grid-template-columns: 1fr; gap: clamp(32px,5vw,56px); } }

.brand-headline {
  font-size: clamp(32px,5vw,60px); font-weight: 900;
  line-height: 1.12; letter-spacing: -0.03em; color: var(--white);
  margin-top: 20px;
}
.brand-headline em { font-style: normal; color: var(--accent); }

.brand-body-wrap { display: flex; flex-direction: column; gap: 32px; }
.brand-body {
  font-size: clamp(15px,1.6vw,18px); font-weight: 400;
  color: rgba(255,255,255,0.6); line-height: 1.9;
}

/* ============================================================
   SERVICES SECTION
============================================================ */
#services { background: var(--white); padding-block: var(--pad-section); border-top: 1px solid var(--border); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(10px,1.5vw,16px);
  margin-top: clamp(40px,6vw,64px);
}
@media (max-width: 900px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .services-grid { grid-template-columns: 1fr; gap: 10px; } }

.service-card {
  position: relative; display: block;
  aspect-ratio: 4/3;
  border-radius: var(--radius-lg); overflow: hidden;
  text-decoration: none; background: var(--dark);
}

.service-card-bg {
  position: absolute; inset: 0;
  transition: transform 0.55s cubic-bezier(0.4,0,0.2,1);
}
.service-card-bg img { width: 100%; height: 100%; object-fit: cover; display: block; }
.service-card:hover .service-card-bg { transform: scale(1.06); }

/* Bottom gradient overlay */
.service-card::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(
    to top,
    rgba(13,27,42,0.88) 0%,
    rgba(13,27,42,0.35) 40%,
    transparent 70%
  );
  pointer-events: none;
}

.service-card-label {
  position: absolute;
  bottom: clamp(14px,2vw,22px);
  left: clamp(14px,2vw,22px);
  z-index: 2;
  font-size: clamp(13px,1.4vw,17px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.3;
  letter-spacing: -0.01em;
  text-shadow: 0 2px 12px rgba(0,0,0,0.5);
}

/* ============================================================
   PROCESS SECTION
============================================================ */
#process { background: var(--bg); padding-block: var(--pad-section); border-top: 1px solid var(--border); }

/* Process toggle button — hidden on desktop, visible on mobile */
.process-toggle-btn { display: none; }

@media (max-width: 768px) {
  #process-header { margin-bottom: 0; }

  .process-toggle-btn {
    display: flex; align-items: center; gap: 8px; justify-content: center;
    margin: 20px auto 0;
    padding: 11px 24px;
    background: none;
    border: 1.5px solid var(--accent); border-radius: 50px;
    color: var(--accent);
    font-size: 11px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
    font-family: var(--font-mono); cursor: pointer;
    transition: background var(--transition), color var(--transition);
  }
  .process-toggle-btn[aria-expanded="true"] {
    background: var(--accent); color: var(--white);
  }
  .ptb-icon {
    flex-shrink: 0;
    transition: transform 0.35s ease;
  }
  .process-toggle-btn[aria-expanded="true"] .ptb-icon { transform: rotate(180deg); }

  .process-grid-wrap,
  .guide-grid-wrap {
    display: none;
  }
  .process-grid-wrap.open,
  .guide-grid-wrap.open {
    display: block;
    animation: accordionIn 0.4s ease forwards;
  }
  @keyframes accordionIn {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  .process-grid-wrap > .process-grid {
    margin-top: 32px;
    opacity: 1 !important;
    transform: none !important;
  }
  .guide-grid-wrap > .guide-grid,
  .guide-grid-wrap .guide-more {
    opacity: 1 !important;
    transform: none !important;
  }
  .guide-grid-wrap > .guide-grid { margin-top: 32px; }
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: clamp(8px, 1.5vw, 16px);
  margin-top: clamp(40px, 6vw, 72px);
}
@media (max-width: 900px) { .process-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 480px) { .process-grid { grid-template-columns: repeat(2, 1fr); } }

.process-step {
  display: flex; flex-direction: column;
  align-items: center; text-align: center;
  gap: 8px; padding: clamp(20px, 2.5vw, 28px) 8px;
  border-radius: var(--radius-lg);
  background: transparent;
  transition: background var(--transition);
  cursor: default;
}
.process-step:hover { background: var(--white); }

.step-icon-wrap {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--white); border: 1.5px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-light); margin-bottom: 4px;
  transition: background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
}
.process-step:hover .step-icon-wrap {
  background: var(--accent); border-color: var(--accent);
  color: var(--white); box-shadow: 0 6px 20px rgba(255,77,0,0.28);
}
.step-icon { width: 28px; height: 28px; }

.step-num {
  font-family: var(--font-mono); font-size: 10px; font-weight: 700;
  color: var(--accent); letter-spacing: 0.18em;
}
.step-name {
  font-size: 14px; font-weight: 800; color: var(--text);
  line-height: 1.3; letter-spacing: -0.01em;
}
.step-desc { font-size: 12px; color: var(--text-light); line-height: 1.65; }

/* ============================================================
   GUIDE SECTION
============================================================ */
#guide { padding-block: var(--pad-section); border-top: 1px solid var(--border); }

.guide-header { text-align: center; margin-bottom: clamp(40px,6vw,72px); }
.guide-intro-text {
  margin-top: 14px; font-size: clamp(14px,1.6vw,16px);
  color: var(--text); line-height: 1.85; max-width: 480px; margin-inline: auto;
}

.guide-grid {
  display: grid; grid-template-columns: repeat(2,1fr);
  gap: clamp(20px,3vw,32px);
}
@media (max-width: 768px) { .guide-grid { grid-template-columns: 1fr; } }

.guide-card {
  background: var(--white); border-radius: var(--radius-lg);
  overflow: hidden; border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.guide-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(13,27,42,0.08);
  border-color: rgba(255,77,0,0.3);
}
.guide-illust { width: 100%; background: var(--dark); line-height: 0; }
.guide-illust svg { width: 100%; height: auto; display: block; }

.guide-card-body {
  padding: clamp(22px,3vw,32px);
  padding-top: clamp(24px,3vw,32px);
  display: flex; flex-direction: column; gap: clamp(12px,1.5vw,16px);
  border-top: 2px solid rgba(255,77,0,0.12);
}
.guide-card-num {
  font-family: var(--font-mono); font-size: 10px; font-weight: 700;
  letter-spacing: 0.2em; color: var(--accent);
}
.guide-card-title {
  font-size: clamp(16px,2vw,19px); font-weight: 800;
  color: var(--text); letter-spacing: -0.01em; line-height: 1.3;
}
.guide-card-desc {
  font-size: clamp(13px,1.4vw,14px); color: var(--text);
  line-height: 1.85;
}
.guide-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 4px; }
.guide-tag {
  font-size: 11px; font-weight: 700; letter-spacing: 0.06em;
  color: var(--accent); border: 1px solid rgba(255,77,0,0.35);
  border-radius: 4px; padding: 4px 10px; font-family: var(--font-mono);
}

@media (max-width: 768px) {
  .guide-card-body { text-align: center; }
  .guide-tags { justify-content: center; }
}

/* ============================================================
   FAQ SECTION
============================================================ */
.faq-section {
  padding-block: var(--pad-section);
  border-top: 1px solid rgba(255,255,255,0.06);
}
.faq-layout {
  display: grid; grid-template-columns: 1fr 2fr;
  gap: clamp(40px,6vw,96px); align-items: start;
}
@media (max-width: 768px) { .faq-layout { grid-template-columns: 1fr; } }

.faq-intro { position: sticky; top: calc(var(--header-h) + 32px); }
@media (max-width: 768px) { .faq-intro { position: static; } }

.faq-list { display: flex; flex-direction: column; gap: 2px; }
.faq-item { border-bottom: 1px solid rgba(255,77,0,0.1); }

.faq-question {
  width: 100%; text-align: left; padding: 22px 0;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  font-size: clamp(15px,1.8vw,17px); font-weight: 600; color: var(--white);
  cursor: pointer; transition: color var(--transition);
}
.faq-question:hover { color: var(--accent); }
.faq-question.active { color: var(--accent); }

.faq-icon {
  flex-shrink: 0; width: 20px; height: 20px; position: relative;
  color: var(--accent); opacity: 0.6;
  transition: opacity var(--transition), transform var(--transition);
}
.faq-question.active .faq-icon { opacity: 1; transform: rotate(45deg); }
.faq-icon::before, .faq-icon::after {
  content: ''; position: absolute; background: currentColor; border-radius: 1px;
}
.faq-icon::before { width: 2px; height: 14px; top: 50%; left: 50%; transform: translate(-50%,-50%); }
.faq-icon::after { width: 14px; height: 2px; top: 50%; left: 50%; transform: translate(-50%,-50%); }

.faq-answer { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.35s ease; }
.faq-answer.open { grid-template-rows: 1fr; }
.faq-answer-inner { overflow: hidden; transition: padding-bottom 0.35s ease; }
.faq-answer.open .faq-answer-inner { padding-bottom: 22px; }
.faq-answer-inner p { font-size: 14px; line-height: 1.85; color: rgba(255,255,255,0.55); }

/* ============================================================
   CTA SECTION
============================================================ */
#contact-cta {
  padding-top: 8px; padding-bottom: clamp(64px,8vw,96px);
  background: var(--dark);
}
.cta-card {
  display: grid; grid-template-columns: 1fr auto;
  gap: clamp(24px,4vw,64px); align-items: center;
  padding: clamp(40px,5vw,64px);
  border: 1px solid rgba(255,77,0,0.2); border-radius: var(--radius-lg);
  background: rgba(255,77,0,0.04);
}
@media (max-width: 640px) {
  .cta-card { grid-template-columns: 1fr; text-align: center; }
  .cta-action { justify-self: center; }
}
.cta-title {
  font-size: clamp(24px,3.5vw,40px); font-weight: 900; color: var(--white);
  line-height: 1.2; letter-spacing: -0.02em; margin-bottom: 16px;
}
.cta-desc { font-size: 15px; color: rgba(255,255,255,0.5); line-height: 1.75; }

/* ============================================================
   CONTACT MODAL
============================================================ */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(13,27,42,0.8); backdrop-filter: blur(6px);
  z-index: 2000; display: flex; align-items: center; justify-content: center;
  padding: 20px; opacity: 0; pointer-events: none;
  transition: opacity var(--transition);
}
.modal-overlay.active { opacity: 1; pointer-events: all; }
.modal-box {
  background: var(--white); border-radius: var(--radius-lg);
  padding: clamp(32px,5vw,56px); width: 100%; max-width: 440px;
  transform: translateY(20px) scale(0.97);
  transition: transform var(--transition); position: relative;
}
.modal-overlay.active .modal-box { transform: translateY(0) scale(1); }
.modal-close {
  position: absolute; top: 16px; right: 16px;
  width: 32px; height: 32px; display: flex; align-items: center; justify-content: center;
  border-radius: 50%; color: var(--text-light);
  transition: background var(--transition), color var(--transition);
}
.modal-close:hover { background: rgba(13,27,42,0.06); color: var(--text); }
.modal-title { font-size: 22px; font-weight: 800; color: var(--text); margin-bottom: 8px; letter-spacing: -0.02em; }
.modal-sub { font-size: 14px; color: var(--text-light); margin-bottom: 32px; line-height: 1.6; }
.modal-actions { display: flex; flex-direction: column; gap: 12px; }
.modal-btn {
  display: flex; align-items: center; gap: 14px; padding: 16px 22px;
  border-radius: var(--radius); font-size: 15px; font-weight: 700; text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition);
}
.modal-btn:hover { transform: translateY(-2px); }
.modal-btn-icon {
  width: 44px; height: 44px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.modal-btn-icon svg { width: 22px; height: 22px; }
.modal-btn.call { background: var(--accent); color: var(--white); }
.modal-btn.call:hover { box-shadow: 0 8px 24px rgba(255,77,0,0.4); }
.modal-btn.call .modal-btn-icon { background: rgba(255,255,255,0.2); color: var(--white); }
.modal-btn.sms { background: var(--dark); color: var(--white); }
.modal-btn.sms:hover { box-shadow: 0 8px 24px rgba(13,27,42,0.3); }
.modal-btn.sms .modal-btn-icon { background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.8); }
.modal-btn-info { display: flex; flex-direction: column; gap: 2px; }
.modal-btn-label { font-size: 13px; opacity: 0.7; font-weight: 500; }
.modal-btn-num { font-family: var(--font-mono); font-size: 17px; letter-spacing: 0.05em; }
.modal-note { margin-top: 20px; font-size: 12px; color: var(--text-light); text-align: center; line-height: 1.6; }

/* ============================================================
   FOOTER
============================================================ */
#site-footer {
  background: var(--dark);
  padding-block: clamp(40px,6vw,60px);
  border-top: 1px solid rgba(255,77,0,0.12);
}
.footer-inner {
  width: var(--container); margin-inline: auto;
  display: flex; flex-direction: column; gap: 36px;
}
.footer-top {
  display: grid; grid-template-columns: auto 1fr;
  gap: 48px; align-items: start;
}
@media (max-width: 640px) { .footer-top { grid-template-columns: 1fr; gap: 28px; } }

.footer-sitemap {
  display: flex; flex-wrap: wrap;
  gap: clamp(14px,2.5vw,28px); justify-content: flex-end;
}
@media (max-width: 640px) { .footer-sitemap { justify-content: flex-start; } }

.sitemap-item {
  display: flex; flex-direction: column; align-items: center; gap: 7px;
  text-decoration: none; transition: transform var(--transition);
}
.sitemap-item:hover { transform: translateY(-3px); }

.sitemap-icon {
  width: 42px; height: 42px; border-radius: var(--radius);
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.4);
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}
.sitemap-item:hover .sitemap-icon {
  background: rgba(255,77,0,0.1); border-color: var(--accent); color: var(--accent);
}
.sitemap-icon svg { width: 18px; height: 18px; }

.sitemap-label {
  font-size: 10px; letter-spacing: 0.06em;
  color: rgba(255,255,255,0.28); text-align: center; white-space: nowrap;
  transition: color var(--transition);
}
.sitemap-item:hover .sitemap-label { color: rgba(255,255,255,0.6); }

.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between;
  align-items: center; gap: 12px; padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-info { font-size: 11px; color: rgba(255,255,255,0.22); line-height: 1.6; }
.footer-info span + span::before { content: ' · '; opacity: 0.5; }
.footer-copy { font-size: 11px; color: rgba(255,255,255,0.15); font-family: var(--font-mono); }

/* ============================================================
   SUBPAGE COMMON
============================================================ */
.section-alt { background: var(--bg); }

.subpage-hero {
  background: var(--dark);
  padding-top: calc(var(--header-h) + clamp(48px,8vw,96px));
  padding-bottom: clamp(48px,8vw,96px);
  position: relative; overflow: hidden;
}
.subpage-hero-bg {
  position: absolute; inset: 0; z-index: 0;
}
.subpage-hero > .container { position: relative; z-index: 1; }

.subpage-hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px; font-weight: 700;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 16px;
}
.subpage-hero-eyebrow::before {
  content: ''; display: inline-block; width: 18px; height: 2px; background: var(--accent);
}

.subpage-hero-title,
.subpage-title {
  font-size: clamp(30px,5vw,60px); font-weight: 900; color: var(--white);
  letter-spacing: -0.03em; line-height: 1.1;
}
.subpage-hero-desc,
.subpage-desc {
  margin-top: 20px; font-size: clamp(15px,1.8vw,18px);
  color: rgba(255,255,255,0.5); line-height: 1.75; max-width: 560px;
}

.breadcrumb { display: flex; align-items: center; gap: 6px; margin-bottom: 24px; }
.breadcrumb a { font-size: 12px; color: rgba(255,255,255,0.35); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { font-size: 12px; color: rgba(255,255,255,0.2); }
.breadcrumb-sep { width: 4px; height: 4px; background: rgba(255,255,255,0.2); border-radius: 50%; }
.breadcrumb-current { font-size: 12px; color: var(--accent); }

/* ── Guide detail layout ── */
.guide-intro { max-width: 680px; }

.guide-detail {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(40px,6vw,80px); align-items: center;
}
@media (max-width: 900px) { .guide-detail { grid-template-columns: 1fr; } }

.guide-detail--reverse .guide-detail-illus { order: 2; }
.guide-detail--reverse .guide-detail-text  { order: 1; }
@media (max-width: 900px) {
  .guide-detail--reverse .guide-detail-illus { order: 0; }
  .guide-detail--reverse .guide-detail-text  { order: 0; }
}

.guide-detail-illus {
  border-radius: var(--radius-lg); overflow: hidden; background: var(--dark);
}
.guide-detail-illus svg { width: 100%; height: auto; display: block; }

.guide-detail-text { display: flex; flex-direction: column; gap: 14px; }

.guide-num-large {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px; font-weight: 700;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent);
}
.guide-num-large::before {
  content: ''; display: inline-block; width: 18px; height: 2px; background: var(--accent);
}

.guide-detail-title {
  font-size: clamp(22px,3vw,32px); font-weight: 900;
  color: var(--text); letter-spacing: -0.02em; line-height: 1.25;
}
.guide-detail-text > p { font-size: 15px; color: var(--text-light); line-height: 1.85; }

/* ── Compare table ── */
.guide-compare-table {
  border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border); margin-block: 4px;
}
.compare-row {
  display: grid; grid-template-columns: 1fr 1fr 1fr;
  border-bottom: 1px solid var(--border);
}
.compare-row:last-child { border-bottom: none; }
.compare-row > div { padding: 11px 14px; font-size: 14px; color: var(--text-mid); }
.compare-row > div:not(:last-child) { border-right: 1px solid var(--border); }
.compare-header { background: var(--dark); }
.compare-header > div {
  font-size: 10px; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: rgba(255,255,255,0.55);
  font-family: var(--font-mono);
}

/* guide-tag alias for .tag used in subpages */
.tag {
  font-size: 11px; font-weight: 700; letter-spacing: 0.06em;
  color: var(--accent); border: 1px solid rgba(255,77,0,0.35);
  border-radius: 4px; padding: 4px 10px; font-family: var(--font-mono);
}

/* ── Cases subpage ── */
.cases-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(min(320px,100%),1fr));
  gap: var(--gap);
}
.case-card {
  display: flex; flex-direction: column; border-radius: var(--radius-lg);
  overflow: hidden; background: var(--white); border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition); text-decoration: none; color: inherit;
}
.case-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(13,27,42,0.1); }
.case-thumb { width: 100%; aspect-ratio: 16/10; background: var(--dark); overflow: hidden; }
.case-thumb img { width: 100%; height: 100%; object-fit: cover; }
.case-info { padding: 20px 22px 24px; }
.case-tag { display: inline-block; font-size: 10px; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; font-family: var(--font-mono); }
.case-name { font-size: 17px; font-weight: 700; color: var(--text); margin-bottom: 6px; }
.case-loc { font-size: 13px; color: var(--text-light); }

/* ── Contact page ── */

/* 상담 카드 2열 */
.contact-cards {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: var(--gap); margin-top: clamp(40px,6vw,64px);
}
@media (max-width: 640px) { .contact-cards { grid-template-columns: 1fr; } }

.contact-card {
  border-radius: var(--radius-lg);
  padding: clamp(36px,5vw,56px) clamp(28px,4vw,48px);
  display: flex; flex-direction: column; gap: 0;
}
.contact-card--call { background: #0d1b2a; color: #fff; }
.contact-card--sms  { background: #0d1b2a; color: #fff; }

.contact-card-eyebrow {
  font-family: var(--font-mono); font-size: 11px; font-weight: 700;
  letter-spacing: 0.2em; text-transform: uppercase;
  opacity: 0.7; margin-bottom: 20px;
}
.contact-card-title {
  font-size: clamp(22px,3vw,30px); font-weight: 900;
  letter-spacing: -0.02em; margin-bottom: 12px;
}
.contact-card-desc {
  font-size: 14px; line-height: 1.75; opacity: 0.75; margin-bottom: 32px;
}
.contact-card-number {
  display: block; font-family: var(--font-mono);
  font-size: clamp(24px,3.5vw,36px); font-weight: 700;
  letter-spacing: 0.04em; color: inherit; text-decoration: none;
  margin-bottom: 24px;
}
.contact-card-number:hover { opacity: 0.8; }
.contact-card-btn {
  display: inline-block; text-align: center;
  padding: 14px 28px; border-radius: var(--radius);
  font-size: 15px; font-weight: 700; text-decoration: none;
  transition: all var(--transition); cursor: pointer; border: none;
}
.contact-card--call .contact-card-btn,
.contact-card--sms  .contact-card-btn {
  background: var(--accent); color: #fff;
}
.contact-card--call .contact-card-btn:hover,
.contact-card--sms  .contact-card-btn:hover { background: #e64400; }
.contact-card-hours {
  margin-top: 16px; font-size: 12px; opacity: 0.5;
  font-family: var(--font-mono); letter-spacing: 0.08em;
}

/* 상담 프로세스 */
.contact-process {
  display: grid; grid-template-columns: repeat(3,1fr);
  gap: var(--gap); margin-top: clamp(40px,6vw,64px);
  position: relative;
}
@media (max-width: 640px) { .contact-process { grid-template-columns: 1fr; } }
.contact-process-item {
  padding: 32px 28px; border: 1px solid var(--border);
  border-radius: var(--radius-lg); position: relative;
}
.contact-process-num {
  font-family: var(--font-mono); font-size: 11px; font-weight: 700;
  letter-spacing: 0.18em; color: var(--accent); margin-bottom: 16px;
}
.contact-process-title {
  font-size: 17px; font-weight: 700; color: var(--dark); margin-bottom: 8px;
}
.contact-process-desc {
  font-size: 14px; color: var(--text-light); line-height: 1.75;
}

/* 안내 사항 그리드 */
.contact-notice {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1px; background: var(--border);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; margin-top: clamp(40px,6vw,64px);
}
@media (max-width: 640px) { .contact-notice { grid-template-columns: 1fr; } }
.contact-notice-item {
  background: #fff; padding: 28px 32px;
  display: flex; gap: 16px; align-items: flex-start;
}
.contact-notice-num {
  flex-shrink: 0; width: 28px; height: 28px;
  background: var(--accent-dim); color: var(--accent);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
}
.contact-notice-text {
  font-size: 15px; color: var(--text-light); line-height: 1.75;
}

/* ── Sitemap page ── */
.sitemap-page { padding-block: var(--pad-section); }
.sitemap-section-title { font-size: 12px; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: var(--accent); margin-bottom: 16px; font-family: var(--font-mono); }
.sitemap-links { display: flex; flex-direction: column; margin-bottom: 36px; }
.sitemap-links a {
  font-size: 17px; font-weight: 500; color: var(--text); padding: 12px 0;
  border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between;
  transition: color var(--transition), padding-left var(--transition);
}
.sitemap-links a:hover { color: var(--accent); padding-left: 6px; }

/* ── Service detail placeholder ── */
.service-content-placeholder { max-width: 560px; }
.service-placeholder-desc {
  margin-top: 20px; font-size: 16px;
  color: var(--text-light); line-height: 1.8;
}

/* ── Brand Story Narrative ── */
.brand-story-narrative { max-width: 720px; }
.brand-story-heading {
  font-size: clamp(28px,4vw,48px); font-weight: 900;
  line-height: 1.18; letter-spacing: -0.025em; color: var(--text);
  margin-top: 16px; margin-bottom: 32px;
}
.brand-story-heading em { font-style: normal; color: var(--accent); }
.brand-story-para {
  font-size: clamp(15px,1.6vw,17px); color: var(--text-light);
  line-height: 1.9; margin-bottom: 24px;
}

/* ── Value cards ── */
.value-cards { display: flex; flex-direction: column; gap: clamp(24px,3vw,32px); max-width: 720px; margin-inline: auto; }
.value-card {
  padding: 28px 26px; background: var(--white); border-radius: var(--radius-lg);
  border-left: 3px solid var(--accent); box-shadow: 0 4px 20px rgba(13,27,42,0.05);
}
.value-num { display: block; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em; color: var(--accent); margin-bottom: 10px; }
.value-title { font-size: 18px; font-weight: 800; color: var(--text); margin-bottom: 8px; }
.value-desc { font-size: 14px; color: var(--text-light); line-height: 1.75; }

/* ── Case detail — Hero Photo Box ── */
/* ── Case Hero — 풀스크린 오버레이 ── */
.case-hero {
  position: relative;
  width: 100%;
  height: 100svh;
  min-height: 520px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  margin-top: 0;
}
.case-hero-bg {
  position: absolute; inset: 0;
}
.case-hero-bg img { width: 100%; height: 100%; object-fit: cover; display: block; }
.case-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.78) 0%, rgba(0,0,0,0.25) 45%, rgba(0,0,0,0.08) 100%);
}
.case-hero-content {
  position: relative; z-index: 1;
  width: 100%;
  padding-bottom: clamp(72px, 10vw, 120px);
  padding-left: clamp(16px, 4vw, 48px);
}
.case-hero-location {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px; font-weight: 700;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 16px;
}
.case-hero-location::before {
  content: ''; display: inline-block; width: 18px; height: 2px; background: var(--accent);
}
.case-detail-title {
  font-size: clamp(32px,5.5vw,68px); font-weight: 900; color: #fff;
  line-height: 1.08; letter-spacing: -0.03em; margin-bottom: 24px;
}

.case-hero-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.case-hero-content .tag {
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.85);
  border-color: rgba(255,255,255,0.25);
}
.case-hero-content .btn-tel {
  border-color: rgba(255,255,255,0.6); color: #fff;
}
.case-hero-content .btn-tel:hover { background: #fff; color: var(--dark); }

/* ── Case detail — Intro ── */
.case-detail-intro {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(40px,6vw,80px); align-items: start;
}
@media (max-width: 768px) { .case-detail-intro { grid-template-columns: 1fr; } }

.case-detail-desc h2 {
  font-size: clamp(22px,3vw,30px); font-weight: 900;
  color: var(--text); letter-spacing: -0.02em;
  line-height: 1.25; margin-block: 16px 20px;
}
.case-detail-desc p { font-size: 15px; color: var(--text-light); line-height: 1.9; margin-bottom: 16px; }

/* ── Case specs table ── */
.specs-title {
  font-size: 11px; font-weight: 700; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--accent);
  font-family: var(--font-mono); margin-bottom: 16px;
}
.specs-list { border-top: 1px solid var(--border); }
.spec-row {
  display: grid; grid-template-columns: 80px 1fr;
  gap: 16px; padding: 13px 0; border-bottom: 1px solid var(--border);
}
.spec-row dt {
  font-size: 10px; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--accent);
  font-family: var(--font-mono); padding-top: 3px;
}
.spec-row dd { font-size: 14px; font-weight: 600; color: var(--text); }

/* ── Case gallery ── */
.case-gallery {
  display: grid; grid-template-columns: repeat(2,1fr);
  gap: var(--gap); margin-top: clamp(28px,4vw,48px);
}
@media (max-width: 640px) { .case-gallery { grid-template-columns: 1fr; } }

.gallery-item {
  aspect-ratio: 4/3; border-radius: var(--radius-lg);
  background: var(--dark); overflow: hidden;
  transition: transform var(--transition);
}
.gallery-item:hover { transform: scale(1.015); }
.gallery-item--wide { grid-column: span 2; aspect-ratio: 4/3; }
@media (max-width: 640px) { .gallery-item--wide { grid-column: span 1; } }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ── Case Hero CTA ── */
.case-hero-cta {
  display: flex; gap: 12px; flex-wrap: wrap;
  margin-top: 28px;
}
.case-hero-cta .btn-cta {
  padding: 14px 28px; font-size: 15px;
}
.case-hero-cta .btn-tel {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 24px; font-size: 15px; font-weight: 600;
  border: 2px solid var(--dark); border-radius: var(--radius);
  color: var(--dark); text-decoration: none;
  transition: all var(--transition);
}
.case-hero-cta .btn-tel:hover { background: var(--dark); color: #fff; }

/* ── Case Construction Points ── */
.case-points {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 20px; margin-top: clamp(32px, 4vw, 52px);
}
@media (max-width: 640px) { .case-points { grid-template-columns: 1fr; } }
.case-point {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 24px; border: 1px solid var(--border);
  border-radius: var(--radius-lg); background: #fff;
}
.case-point-num {
  flex-shrink: 0; width: 32px; height: 32px;
  background: var(--accent); color: #fff; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
}
.case-point-text {
  font-size: 15px; color: var(--text-light); line-height: 1.75;
}

/* ── Case Why GNS ── */
.case-why-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: var(--gap); margin-top: clamp(32px, 4vw, 52px);
}
@media (max-width: 768px) { .case-why-grid { grid-template-columns: 1fr; } }
.case-why-card {
  padding: 32px 28px; border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
}
.case-why-num {
  font-size: 12px; font-weight: 700; letter-spacing: 0.1em;
  color: var(--accent); margin-bottom: 12px;
}
.case-why-title {
  font-size: 17px; font-weight: 700; color: #fff; margin-bottom: 10px;
}
.case-why-desc {
  font-size: 14px; color: rgba(255,255,255,0.55); line-height: 1.8;
}

/* ── Case FAQ ── */
.case-faq { margin-top: clamp(32px, 4vw, 52px); }
.case-faq-item {
  border-bottom: 1px solid var(--border); padding: 28px 0;
}
.case-faq-item:first-child { border-top: 1px solid var(--border); }
.case-faq-q {
  display: flex; gap: 14px; align-items: flex-start;
  font-size: 16px; font-weight: 600; color: var(--dark); margin-bottom: 12px;
}
.case-faq-q-mark {
  flex-shrink: 0; font-weight: 700; color: var(--accent); line-height: 1.5;
}
.case-faq-a {
  font-size: 15px; color: var(--text-light); line-height: 1.85; padding-left: 30px;
}

/* ============================================================
   PAIN POINT SECTION
============================================================ */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
  margin-top: clamp(40px,6vw,64px);
}
.pain-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(28px,3.5vw,40px);
  transition: box-shadow var(--transition), transform var(--transition);
}
.pain-card:hover {
  box-shadow: 0 8px 32px rgba(13,27,42,0.10);
  transform: translateY(-4px);
}
.pain-q {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  background: var(--accent); color: var(--white);
  font-size: 14px; font-weight: 800; font-family: var(--font-en);
  border-radius: 8px; margin-bottom: 20px;
}
.pain-card-text {
  font-size: clamp(15px,1.6vw,18px);
  font-weight: 700; color: var(--text);
  line-height: 1.6; letter-spacing: -0.01em;
}

/* ============================================================
   WHY US SECTION
============================================================ */
.whyus-header { text-align: center; margin-bottom: clamp(48px,7vw,80px); }
.whyus-headline {
  font-size: clamp(28px,4vw,52px);
  font-weight: 900; color: var(--white);
  letter-spacing: -0.03em; line-height: 1.15;
  margin-bottom: 14px;
}
.whyus-headline em { color: var(--accent); font-style: normal; }
.whyus-sub {
  font-size: clamp(14px,1.5vw,16px);
  color: rgba(255,255,255,0.55);
}
.whyus-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
}
.whyus-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: clamp(28px,3.5vw,40px);
  transition: border-color var(--transition), background var(--transition);
}
.whyus-card:hover {
  border-color: var(--accent);
  background: rgba(255,77,0,0.07);
}
.whyus-card-num {
  display: block;
  font-family: var(--font-en); font-size: 11px; font-weight: 700;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 16px;
}
.whyus-card-title {
  font-size: clamp(16px,1.8vw,20px);
  font-weight: 800; color: var(--white);
  line-height: 1.4; margin-bottom: 16px; letter-spacing: -0.01em;
}
.whyus-card-desc {
  font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.85;
}
.whyus-card-desc strong { color: var(--accent); font-weight: 700; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .site-nav { display: none; }
  .menu-toggle { display: flex; }
  .mobile-nav { display: block; }
  .hero-content .container { text-align: center; }
  .hero-label { justify-content: center; }
  .hero-sub { margin-inline: auto; }
  .brand-split { gap: clamp(32px,5vw,56px); }
  .subpage-hero-desc,
  .subpage-desc { max-width: 100%; }
}
@media (max-width: 640px) {
  .cta-card { grid-template-columns: 1fr; text-align: center; }
  .cta-card .cta-action { justify-self: center; }
  .compare-row > div { padding: 9px 10px; font-size: 13px; }
  .guide-detail { gap: clamp(24px,4vw,40px); }
}
@media (max-width: 480px) {
  .cta-card { padding: 32px 20px; }
  .process-grid { grid-template-columns: repeat(2,1fr); }
  .faq-question { font-size: 15px; }
  .section-title { letter-spacing: -0.01em; }

  /* Guide section — clamp() 최솟값이 모바일에서 부족해 명시적으로 재정의 */
  .section-sub { margin-top: 20px; }
  .section-header { margin-bottom: 40px; }
  .guide-card-body { gap: 16px; padding: 24px 20px; }
  .guide-grid { gap: 24px; }
  .guide-card-title { font-size: 17px; }
  .guide-card-desc { font-size: 14px; line-height: 1.75; }
  .pain-card-text { font-size: 16px; }
  .whyus-headline { letter-spacing: -0.02em; }
}
@media (max-width: 900px) {
  .pain-grid { grid-template-columns: 1fr; }
  .whyus-grid { grid-template-columns: 1fr; }
}

/* ── Media Reel – Cinematic ── */
.media-reel-section {
  position: relative;
  width: 100%;
  height: 56.25vw;
  min-height: 260px;
  overflow: hidden;
  background: #000;
}

/* 비네트 오버레이 */
.media-reel-vignette {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 50%, rgba(0,0,0,0.45) 100%);
}

.media-reel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  -webkit-transition: opacity 0.85s ease;
  transition: opacity 0.85s ease;
  pointer-events: none;
  overflow: hidden;
}
.media-reel-slide.active {
  opacity: 1;
  pointer-events: auto;
}
.media-reel-slide img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
  object-fit: cover;
  display: block;
  will-change: transform;
}

/* ── 카메라 무빙 키프레임 ── */

/* 샥! 우측에서 날아와 좌로 흐름 */
@-webkit-keyframes mr-slam-r {
  0%   { -webkit-transform: scale(1.22) translateX(9%); transform: scale(1.22) translateX(9%); -webkit-animation-timing-function: cubic-bezier(0.08,0,0.18,1); animation-timing-function: cubic-bezier(0.08,0,0.18,1); }
  22%  { -webkit-transform: scale(1.07) translateX(0%); transform: scale(1.07) translateX(0%); -webkit-animation-timing-function: ease-out; animation-timing-function: ease-out; }
  100% { -webkit-transform: scale(1.0)  translateX(-2%); transform: scale(1.0)  translateX(-2%); }
}
@keyframes mr-slam-r {
  0%   { transform: scale(1.22) translateX(9%);  -webkit-animation-timing-function: cubic-bezier(0.08,0,0.18,1); animation-timing-function: cubic-bezier(0.08,0,0.18,1); }
  22%  { transform: scale(1.07) translateX(0%);  -webkit-animation-timing-function: ease-out; animation-timing-function: ease-out; }
  100% { transform: scale(1.0)  translateX(-2%); }
}

/* 부드럽게 줌인 */
@-webkit-keyframes mr-zoom-in {
  from { -webkit-transform: scale(1.12); transform: scale(1.12); }
  to   { -webkit-transform: scale(1.0);  transform: scale(1.0); }
}
@keyframes mr-zoom-in {
  from { transform: scale(1.12); }
  to   { transform: scale(1.0); }
}

/* 샥! 좌측에서 날아와 우로 흐름 */
@-webkit-keyframes mr-slam-l {
  0%   { -webkit-transform: scale(1.22) translateX(-9%); transform: scale(1.22) translateX(-9%); -webkit-animation-timing-function: cubic-bezier(0.08,0,0.18,1); animation-timing-function: cubic-bezier(0.08,0,0.18,1); }
  22%  { -webkit-transform: scale(1.07) translateX(0%);  transform: scale(1.07) translateX(0%);  -webkit-animation-timing-function: ease-out; animation-timing-function: ease-out; }
  100% { -webkit-transform: scale(1.0)  translateX(2%);  transform: scale(1.0)  translateX(2%); }
}
@keyframes mr-slam-l {
  0%   { transform: scale(1.22) translateX(-9%); -webkit-animation-timing-function: cubic-bezier(0.08,0,0.18,1); animation-timing-function: cubic-bezier(0.08,0,0.18,1); }
  22%  { transform: scale(1.07) translateX(0%);  -webkit-animation-timing-function: ease-out; animation-timing-function: ease-out; }
  100% { transform: scale(1.0)  translateX(2%); }
}

/* 부드럽게 우→좌 패닝 */
@-webkit-keyframes mr-pan-l {
  from { -webkit-transform: scale(1.09) translateX(3%);  transform: scale(1.09) translateX(3%); }
  to   { -webkit-transform: scale(1.09) translateX(-3%); transform: scale(1.09) translateX(-3%); }
}
@keyframes mr-pan-l {
  from { transform: scale(1.09) translateX(3%); }
  to   { transform: scale(1.09) translateX(-3%); }
}

/* 샥! 앞에서 돌진해 들어오며 정착 */
@-webkit-keyframes mr-slam-in {
  0%   { -webkit-transform: scale(1.45); transform: scale(1.45); -webkit-animation-timing-function: cubic-bezier(0.08,0,0.18,1); animation-timing-function: cubic-bezier(0.08,0,0.18,1); }
  22%  { -webkit-transform: scale(1.08); transform: scale(1.08); -webkit-animation-timing-function: ease-out; animation-timing-function: ease-out; }
  100% { -webkit-transform: scale(1.0);  transform: scale(1.0); }
}
@keyframes mr-slam-in {
  0%   { transform: scale(1.45); -webkit-animation-timing-function: cubic-bezier(0.08,0,0.18,1); animation-timing-function: cubic-bezier(0.08,0,0.18,1); }
  22%  { transform: scale(1.08); -webkit-animation-timing-function: ease-out; animation-timing-function: ease-out; }
  100% { transform: scale(1.0); }
}

/* 슬라이드별 적용 — vignette가 nth-child(1)이므로 슬라이드는 2~6 */
.media-reel-slide:nth-child(2).active img { -webkit-animation: mr-slam-r  4s forwards; animation: mr-slam-r  4s forwards; }
.media-reel-slide:nth-child(3).active img { -webkit-animation: mr-zoom-in 4s ease-out forwards; animation: mr-zoom-in 4s ease-out forwards; }
.media-reel-slide:nth-child(4).active img { -webkit-animation: mr-slam-l  4s forwards; animation: mr-slam-l  4s forwards; }
.media-reel-slide:nth-child(5).active img { -webkit-animation: mr-pan-l   4s ease-in-out forwards; animation: mr-pan-l   4s ease-in-out forwards; }
.media-reel-slide:nth-child(6).active img { -webkit-animation: mr-slam-in 4s forwards; animation: mr-slam-in 4s forwards; }