/* ============================================================
   E material LAB — Light Deep Tech Theme v3
   Strategy: Midnight-slate base (#1e2d45) lifted to feel "bright"
   while keeping the technical, precision engineering aesthetic.
   WCAG AA contrast on all body text.
   ============================================================ */

/* ===== CSS VARIABLES ===== */
:root {
  /* ── Background Scale (light → medium deep tech) ── */
  --bg-page:      #f0f4f9;   /* page canvas — cool off-white        */
  --bg-section:   #e8eef6;   /* alternate section — light steel     */
  --bg-dark:      #1e2d45;   /* dark sections — midnight slate      */
  --bg-darker:    #17243a;   /* deeper dark panels                  */
  --bg-darkest:   #111d30;   /* footer / void                       */
  --bg-card:      #243354;   /* card on dark bg                     */
  --bg-card-hi:   #2c3e64;   /* card hover / elevated               */
  --bg-card-light:#ffffff;   /* card on light bg                    */

  /* ── Brand ── */
  --navy:         #0A2463;
  --navy-mid:     #163580;
  --orange:       #F47B20;
  --orange-light: #ff9a46;
  --orange-dark:  #d9660e;

  /* ── Accent (Cyan) ── */
  --cyan:         #29d9ff;
  --cyan-dim:     #15a8cc;
  --cyan-glow:    rgba(41,217,255,0.20);
  --cyan-subtle:  rgba(41,217,255,0.10);

  /* ── Text on DARK backgrounds ── */
  --txt-d-h:    #ffffff;       /* headings                       */
  --txt-d-1:    #e2eeff;       /* primary body                   */
  --txt-d-2:    #b8d6f0;       /* secondary                      */
  --txt-d-3:    #82aecf;       /* muted labels                   */
  --txt-d-4:    #5585a8;       /* dim / placeholder              */

  /* ── Text on LIGHT backgrounds ── */
  --txt-l-h:    #0e1e35;       /* headings                       */
  --txt-l-1:    #1c3050;       /* primary body                   */
  --txt-l-2:    #2e4a6e;       /* secondary                      */
  --txt-l-3:    #3e6090;       /* muted                          */

  /* ── Borders ── */
  --bd-dark:    rgba(41,217,255,0.14);
  --bd-glow:    rgba(41,217,255,0.32);
  --bd-dim:     rgba(255,255,255,0.10);
  --bd-mid:     rgba(255,255,255,0.18);
  --bd-light:   #c6d8ee;
  --bd-light-h: #8ab0d4;

  /* ── Spacing (8 px grid) ── */
  --sp-1:  0.5rem;
  --sp-2:  1rem;
  --sp-3:  1.5rem;
  --sp-4:  2rem;
  --sp-6:  3rem;
  --sp-8:  4rem;
  --sp-12: 6rem;
  --sp-16: 8rem;

  /* ── Typography ── */
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* ── Radii ── */
  --r-sm: 4px;
  --r:    8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 24px;

  /* ── Shadows ── */
  --sh-cyan: 0 0 28px rgba(41,217,255,0.18);
  --sh-card: 0 2px 16px rgba(14,30,53,0.18);
  --sh-lg:   0 8px 40px rgba(14,30,53,0.28);
  --sh-lift: 0 4px 24px rgba(14,30,53,0.22);

  /* ── Transition ── */
  --trans: all 0.22s ease;

  /* legacy aliases (keep existing HTML working) */
  --bg-void:     var(--bg-darkest);
  --bg-deep:     var(--bg-darker);
  --bg-mid:      var(--bg-card);
  --bg-elevated: var(--bg-card-hi);
  --bg-surface:  #2e4568;
  --navy:        #0A2463;
  --orange:      #F47B20;
  --orange-light:#ff9a46;
  --orange-dark: #d9660e;
  --cyan:        #29d9ff;
  --cyan-glow:   rgba(41,217,255,0.20);
  --cyan-subtle: rgba(41,217,255,0.10);
  --text-primary:   var(--txt-d-1);
  --text-secondary: var(--txt-d-2);
  --text-muted:     var(--txt-d-3);
  --text-dim:       var(--txt-d-4);
  --white:          #ffffff;
  --light-bg:       var(--bg-section);
  --light-card:     #ffffff;
  --light-border:   var(--bd-light);
  --light-text:     var(--txt-l-h);
  --light-muted:    var(--txt-l-3);
  --border-subtle:  var(--bd-dark);
  --border-glow:    var(--bd-glow);
  --border-dim:     var(--bd-dim);
  --border-mid:     var(--bd-mid);
  --radius-sm: var(--r-sm);
  --radius:    var(--r);
  --radius-md: var(--r-md);
  --radius-lg: var(--r-lg);
  --radius-xl: var(--r-xl);
  --shadow-cyan: var(--sh-cyan);
  --shadow-card: var(--sh-card);
  --shadow-lg:   var(--sh-lg);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  background: var(--bg-page);
  color: var(--txt-l-1);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: var(--font); }
input, textarea, select { font-family: var(--font); font-size: 1rem; }

/* subtle dot-grid on light sections */
.section-light-bg::before,
.app-section::before,
.metrics-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(10,36,99,0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 0;
}
.app-section,
.metrics-section { position: relative; overflow: hidden; }

/* subtle grid on dark sections */
.section-dark-bg::before,
.hero::before,
.pain-section::before,
.tech-section::before,
.products-section::before,
.cases-section::before,
.about-section::before,
.news-section::before,
.contact-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(41,217,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(41,217,255,0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
  z-index: 0;
}

/* ===== CONTAINER ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-4);
  position: relative;
  z-index: 1;
}

/* ===== SECTION HELPERS ===== */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: var(--sp-2);
}
.section-label::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: var(--cyan);
}
/* label on light section */
.section-label.on-light {
  color: var(--navy-mid);
}
.section-label.on-light::before { background: var(--navy-mid); }
.section-label.light { color: var(--cyan); }

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--txt-d-h);
  margin-bottom: var(--sp-3);
  letter-spacing: -0.02em;
}
/* title on a light page section */
.section-title.on-light { color: var(--txt-l-h); }
.section-title.dark     { color: var(--txt-l-h); }

.section-sub {
  font-size: 1rem;
  color: var(--txt-d-2);
  max-width: 580px;
  margin-bottom: var(--sp-6);
  line-height: 1.8;
}
.section-sub.on-light { color: var(--txt-l-2); }

.section-dark  { background: var(--bg-dark); }
.section-light { background: var(--bg-section); }
.text-cyan   { color: var(--cyan); }
.text-orange { color: var(--orange); }
.hidden  { display: none !important; }
.mt-4    { margin-top: var(--sp-4); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--r);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: var(--trans);
  white-space: nowrap;
}
.btn-primary {
  background: var(--orange);
  color: #fff;
  border: 1px solid var(--orange);
}
.btn-primary:hover {
  background: var(--orange-dark);
  border-color: var(--orange-dark);
  box-shadow: 0 0 24px rgba(244,123,32,0.45);
  transform: translateY(-2px);
}
.btn-secondary {
  background: transparent;
  color: var(--cyan);
  border: 1px solid var(--bd-glow);
}
.btn-secondary:hover {
  background: var(--cyan-subtle);
  border-color: var(--cyan);
  box-shadow: 0 0 18px var(--cyan-glow);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  color: var(--cyan);
  border: 1px solid var(--bd-glow);
  font-size: 0.8rem;
  padding: 10px 20px;
}
.btn-outline:hover {
  background: var(--cyan-subtle);
  border-color: var(--cyan);
  box-shadow: 0 0 12px var(--cyan-glow);
}
.btn-full { width: 100%; justify-content: center; }
.btn-nav {
  background: var(--orange);
  color: #fff !important;
  padding: 8px 20px;
  border-radius: var(--r);
  font-size: 0.82rem;
  font-weight: 600;
  transition: var(--trans);
  letter-spacing: 0.03em;
}
.btn-nav:hover {
  background: var(--orange-dark);
  box-shadow: 0 0 20px rgba(244,123,32,0.40);
}

/* ===== NAVIGATION ===== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  /* translucent white — crisp and readable */
  background: rgba(240, 244, 249, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(10,36,99,0.10);
  transition: var(--trans);
}
.nav.scrolled {
  background: rgba(240, 244, 249, 0.97);
  border-bottom-color: rgba(10,36,99,0.18);
  box-shadow: 0 2px 20px rgba(14,30,53,0.12);
}
/* Hero 구간에서도 라이트 nav 유지 — dark-mode 제거 */
.nav.dark-mode {
  background: rgba(240, 244, 249, 0.88);
  border-bottom-color: rgba(10,36,99,0.10);
  box-shadow: none;
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--sp-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.nav-logo { display: flex; align-items: center; }
.logo-img {
  height: 56px;
  width: auto;
  object-fit: contain;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}
.nav-links a {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--txt-l-2);
  transition: var(--trans);
  letter-spacing: 0.04em;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
}
.nav.dark-mode .nav-links a { color: var(--txt-l-2); }
.nav-links a:not(.btn-nav):hover {
  color: var(--navy);
  border-bottom-color: var(--navy);
}
.nav.dark-mode .nav-links a:not(.btn-nav):hover {
  color: var(--navy);
  border-bottom-color: var(--navy);
}
.nav-links a.active:not(.btn-nav) {
  color: var(--navy);
  border-bottom-color: var(--navy);
}
.nav.dark-mode .nav-links a.active:not(.btn-nav) {
  color: var(--navy);
  border-bottom-color: var(--navy);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--txt-l-2);
  border-radius: 2px;
  transition: var(--trans);
}
.nav.dark-mode .nav-toggle span { background: var(--txt-l-2); }

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 72px;
  background: var(--bg-dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
}
.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  /* Brighter than before: 0.55 vs 0.45 */
  filter: brightness(0.55) saturate(0.80);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(19,36,56,0.90) 0%,
    rgba(24,45,68,0.72) 50%,
    rgba(19,36,56,0.55) 100%
  );
}
/* hero 배경 로고 워터마크 */
.hero-logo-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/eml-logo-white.svg');
  background-repeat: no-repeat;
  background-position: center right 6%;
  background-size: 500px auto;
  opacity: 0.08;
  pointer-events: none;
  z-index: 1;
}
/* cyan radial glow */
.hero::after {
  content: '';
  position: absolute;
  top: 25%;
  left: 52%;
  width: 640px;
  height: 640px;
  background: radial-gradient(circle, rgba(41,217,255,0.12) 0%, transparent 68%);
  pointer-events: none;
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--sp-12) var(--sp-4);
  width: 100%;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(41,217,255,0.10);
  border: 1px solid rgba(41,217,255,0.28);
  color: var(--cyan);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--sp-3);
}
.badge-dot {
  width: 5px; height: 5px;
  background: var(--cyan);
  border-radius: 50%;
  animation: pulse 2s infinite;
  box-shadow: 0 0 6px var(--cyan);
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(1.5); }
}
.hero-title {
  font-size: clamp(2.8rem, 5.5vw, 4.8rem);
  font-weight: 900;
  line-height: 1.05;
  color: #ffffff;
  margin-bottom: var(--sp-3);
  letter-spacing: -0.03em;
  max-width: 720px;
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--txt-d-2);     /* #b8d6f0 — clearly readable on dark */
  max-width: 560px;
  margin-bottom: var(--sp-4);
  line-height: 1.8;
}
.hero-sub strong { color: #fff; font-weight: 600; }
.hero-cta {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
  margin-bottom: var(--sp-8);
}
.hero-stats {
  display: flex;
  gap: var(--sp-4);
  flex-wrap: wrap;
  padding-top: var(--sp-3);
  border-top: 1px solid rgba(41,217,255,0.18);
  max-width: 700px;
}
.hstat { display: flex; flex-direction: column; gap: 4px; }
.hstat-val {
  font-size: 1.6rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1;
  letter-spacing: -0.02em;
}
.hstat-label {
  font-size: 0.65rem;
  color: var(--txt-d-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.hstat-divider {
  width: 1px;
  background: rgba(41,217,255,0.20);
  align-self: stretch;
}

/* ===== TICKER ===== */
.ticker-wrap {
  background: var(--bg-darker);
  border-top: 1px solid rgba(41,217,255,0.18);
  border-bottom: 1px solid rgba(41,217,255,0.18);
  overflow: hidden;
  padding: 13px 0;
}
.ticker-track {
  display: flex;
  gap: var(--sp-3);
  width: max-content;
  animation: ticker 35s linear infinite;
  white-space: nowrap;
}
.ticker-track span {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--txt-d-2);     /* bright enough on dark ticker bar */
  letter-spacing: 0.06em;
}
.ticker-dot { color: var(--cyan) !important; opacity: 0.7; }
@keyframes ticker {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===== METRICS SECTION — LIGHT ===== */
.metrics-section {
  padding: var(--sp-16) 0 var(--sp-8);
  background: var(--bg-page);
}
.metrics-section .section-label,
.metrics-section .section-title { text-align: center; }
.metrics-section .section-title { margin-bottom: var(--sp-6); }
/* override for light */
.metrics-section .section-label { color: var(--navy-mid); }
.metrics-section .section-label::before { background: var(--navy-mid); }
.metrics-section .section-title { color: var(--txt-l-h); }
.metrics-section .section-sub   { color: var(--txt-l-2); }

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--bd-light);
  border: 1px solid var(--bd-light);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: var(--sp-4);
  box-shadow: var(--sh-card);
}
.metric-card {
  background: #ffffff;
  padding: var(--sp-6) var(--sp-4);
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease, background 0.22s ease;
  position: relative;
  overflow: hidden;
}
.metric-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}
.metric-card:hover { background: #f4f8fe; }
.metric-card:hover::before { opacity: 1; }
.metric-card.visible { opacity: 1; transform: translateY(0); }

.metric-icon {
  width: 44px; height: 44px;
  border-radius: var(--r);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-2);
}
.metric-icon--blue   { background: rgba(41,217,255,0.12); color: var(--navy-mid); }
.metric-icon--orange { background: rgba(244,123,32,0.12); color: var(--orange); }
.metric-icon--green  { background: rgba(0,180,130,0.12);  color: #008f6a; }
.metric-number {
  font-size: 3.2rem;
  font-weight: 900;
  color: var(--txt-l-h);
  line-height: 1;
  margin-bottom: var(--sp-1);
  letter-spacing: -0.04em;
}
.metric-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--txt-l-2);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.metric-desc {
  font-size: 0.82rem;
  color: var(--txt-l-3);
  margin-bottom: var(--sp-2);
  line-height: 1.65;
}
.metric-bar-wrap {
  height: 3px;
  background: var(--bd-light);
  border-radius: 2px;
  margin-bottom: var(--sp-2);
  overflow: hidden;
}
.metric-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--bar-color, var(--cyan)), transparent);
  border-radius: 2px;
  width: 0;
  transition: width 1.4s cubic-bezier(0.4,0,0.2,1);
}
.metric-bar.animated { width: var(--bar-w); }
.metric-compare { display: flex; flex-direction: column; gap: 4px; }
.compare-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  color: var(--txt-l-3);
}
.compare-dot { width: 6px; height: 6px; border-radius: 50%; flex-shrink: 0; }

/* stats strip below metrics — light */
.stats-strip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-dark);
  border-radius: var(--r-lg);
  padding: var(--sp-3) var(--sp-6);
  gap: var(--sp-2);
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.stats-strip::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
}
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-align: center;
}
.stat-val {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--cyan);
  line-height: 1;
  letter-spacing: -0.02em;
}
.stat-lbl {
  font-size: 0.65rem;
  color: var(--txt-d-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ===== PROBLEM SECTION — DARK ===== */
.problem-section {
  padding: var(--sp-16) 0;
  background: var(--bg-darker);
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--bd-dim);
  border: 1px solid var(--bd-dim);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: var(--sp-8);
}
.problem-card {
  background: var(--bg-dark);
  padding: var(--sp-4);
  transition: var(--trans);
}
.problem-card:hover { background: var(--bg-card); }
.pcard-icon { font-size: 1.8rem; margin-bottom: var(--sp-2); }
.problem-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--txt-d-h);
  margin-bottom: 8px;
}
.problem-card p {
  font-size: 0.85rem;
  color: var(--txt-d-2);
  line-height: 1.75;
}
.emissivity-compare {
  background: var(--bg-card);
  border: 1px solid var(--bd-dark);
  border-radius: var(--r-lg);
  padding: var(--sp-4) var(--sp-6);
}
.compare-title {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--txt-d-3);
  margin-bottom: var(--sp-3);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.ebar-list { display: flex; flex-direction: column; gap: var(--sp-2); }
.ebar-item {
  display: grid;
  grid-template-columns: 260px 1fr 80px;
  align-items: center;
  gap: var(--sp-2);
}
.ebar-label { font-size: 0.82rem; color: var(--txt-d-2); }
.ebar-track {
  height: 10px;
  background: var(--bd-dim);
  border-radius: 6px;
  overflow: visible;
  position: relative;
}
.ebar-range-label {
  position: absolute;
  right: 0;
  top: -18px;
  font-size: 0.7rem;
  color: var(--txt-d-3);
  letter-spacing: 0.04em;
}
.ebar-fill {
  height: 100%;
  border-radius: 3px;
  width: 0;
  transition: width 1.2s cubic-bezier(0.4,0,0.2,1);
}
/* legacy */
.ebar-fill.orange { background: linear-gradient(90deg, var(--cyan), var(--orange)); }
.ebar-fill.white  { background: rgba(255,255,255,0.35); }
.ebar-fill.gray   { background: rgba(255,255,255,0.22); }
.ebar-fill.gray2  { background: rgba(255,255,255,0.16); }
.ebar-fill.gray3  { background: rgba(255,255,255,0.08); }
/* new colour-coded fills */
.ebar-fill--blackmetal { background: linear-gradient(90deg, #00d4ff, #F47B20); border-radius: 6px; height: 100%; }
.ebar-fill--carbon     { background: linear-gradient(90deg, #6b7c8f, #9db0c8); border-radius: 6px; height: 100%; }
.ebar-fill--anodized   { background: linear-gradient(90deg, #3a5068, #5e7a96); border-radius: 6px; height: 100%; }
.ebar-fill--bare       { background: linear-gradient(90deg, #2a3540, #3f545f); border-radius: 6px; height: 100%; }
.ebar-val--highlight   { color: var(--cyan); font-weight: 700; }
.ebar-val {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--cyan);
  text-align: right;
  letter-spacing: 0.03em;
}

/* ===== TECHNOLOGY SECTION — DARK ===== */
.tech-section {
  padding: var(--sp-16) 0;
  background: var(--bg-dark);
}
.tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--bd-dark);
  border: 1px solid var(--bd-dark);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.tech-card {
  background: var(--bg-card);
  padding: 2.5rem var(--sp-4);
  transition: var(--trans);
  position: relative;
}
.tech-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}
.tech-card:hover { background: var(--bg-card-hi); }
.tech-card:hover::after { opacity: 1; }
.tech-card--featured {
  background: var(--bg-card-hi);
  position: relative;
  overflow: hidden;
}
.tech-card--featured::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--orange), var(--cyan));
}
.tech-icon {
  width: 48px; height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-2);
}
.tech-badge-img {
  width: 48px; height: 48px;
  object-fit: contain;
  border-radius: var(--r);
}
.tech-tag {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--cyan);
  margin-bottom: 8px;
}
.tag-orange { color: var(--orange-light); }
.tech-card h3 {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--txt-d-h);
  margin-bottom: var(--sp-2);
  letter-spacing: -0.01em;
}
.tech-card p {
  font-size: 0.85rem;
  color: var(--txt-d-2);
  line-height: 1.78;
  margin-bottom: var(--sp-3);
}
.tech-specs {
  border-top: 1px solid var(--bd-dim);
  padding-top: var(--sp-2);
}
.tech-specs li {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--txt-d-3);
  padding: 5px 0;
  border-bottom: 1px solid var(--bd-dim);
}
.tech-specs li strong { color: var(--cyan); font-weight: 600; }

/* ===== PHOTO FEATURE ===== */
.photo-feature { overflow: hidden; }
.pf-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 500px;
}
.pf-row--dark { background: var(--bg-darker); }
.pf-row--reverse .pf-text    { order: 0; }
.pf-row--reverse .pf-img-wrap{ order: 1; }
.pf-img-wrap { position: relative; overflow: hidden; }
.pf-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: brightness(0.65) saturate(0.70);
  transition: filter 0.5s ease, transform 0.5s ease;
}
.pf-img-wrap:hover img {
  filter: brightness(0.80) saturate(0.85);
  transform: scale(1.03);
}
.pf-img-overlay { position: absolute; bottom: var(--sp-3); left: var(--sp-3); }
.pf-tag {
  background: rgba(41,217,255,0.18);
  border: 1px solid var(--bd-glow);
  color: var(--cyan);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
}
.pf-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--sp-8);
  background: var(--bg-dark);
}
.pf-row--dark .pf-text { background: var(--bg-darker); }
.pf-text h2 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--txt-d-h);
  line-height: 1.2;
  margin-bottom: var(--sp-2);
}
.pf-text p {
  font-size: 0.92rem;
  color: var(--txt-d-2);
  line-height: 1.82;
  margin-bottom: var(--sp-3);
}
.pf-badges { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: var(--sp-3); }
.badge-chip {
  background: rgba(41,217,255,0.10);
  color: var(--cyan);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
  border: 1px solid var(--bd-glow);
  letter-spacing: 0.04em;
}

/* ===== PRODUCTS SECTION — DARK ===== */
.products-section {
  padding: var(--sp-16) 0;
  background: var(--bg-darker);
}
.prod-tabs {
  display: flex;
  gap: 0;
  border: 1px solid var(--bd-dark);
  border-radius: var(--r);
  overflow: hidden;
  width: fit-content;
  margin-bottom: var(--sp-6);
}
.prod-tab {
  padding: 10px 24px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--txt-d-3);
  transition: var(--trans);
  border-right: 1px solid var(--bd-dark);
  letter-spacing: 0.04em;
}
.prod-tab:last-child { border-right: none; }
.prod-tab.active {
  background: rgba(41,217,255,0.12);
  color: var(--cyan);
}
.prod-tab:hover:not(.active) { color: var(--txt-d-2); background: var(--bd-dim); }
.prod-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--bd-dark);
  border: 1px solid var(--bd-dark);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.prod-grid--two {
  grid-template-columns: repeat(2, 1fr);
}
.prod-card {
  background: var(--bg-card);
  padding: var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  transition: var(--trans);
}
.prod-card:hover { background: var(--bg-card-hi); }
.prod-badge img, .prod-icon {
  width: 52px; height: 52px;
  object-fit: contain;
}
.prod-card h3 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--txt-d-h);
  line-height: 1.3;
}
.prod-card h3 span {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--txt-d-3);
  display: block;
}
.prod-card p {
  font-size: 0.82rem;
  color: var(--txt-d-2);
  line-height: 1.72;
  flex: 1;
}
.prod-card ul {
  border-top: 1px solid var(--bd-dim);
  padding-top: var(--sp-2);
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.prod-card ul li {
  font-size: 0.75rem;
  color: var(--txt-d-3);
  padding-left: 14px;
  position: relative;
}
.prod-card ul li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--cyan);
}

/* ===== HEAT SUPPRESSOR™ PRODUCT CARD STYLES ===== */
.hs-grid {
  /* inherits prod-grid 3-col layout */
}
.hs-card {
  position: relative;
  padding-top: calc(var(--sp-4) + 10px);
}
.hs-type-badge {
  position: absolute;
  top: var(--sp-2);
  right: var(--sp-2);
  background: rgba(244,123,32,0.18);
  color: var(--orange);
  border: 1px solid rgba(244,123,32,0.35);
  border-radius: 20px;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 3px 10px;
}
.hs-badge--fbh {
  background: rgba(41,217,255,0.12);
  color: var(--cyan);
  border-color: rgba(41,217,255,0.30);
}
.hs-badge--aop {
  background: rgba(0,196,176,0.12);
  color: #00c4b0;
  border-color: rgba(0,196,176,0.30);
}
.hs-tagline {
  font-size: 0.78rem;
  color: var(--txt-d-2);
  line-height: 1.55;
  border-left: 2px solid var(--orange);
  padding-left: 8px;
  margin-top: 2px;
}
.hs-tagline em {
  font-style: normal;
  color: var(--cyan);
  font-weight: 500;
}

/* ===== APPLICATIONS SECTION — LIGHT ===== */
.app-section {
  padding: var(--sp-16) 0;
  background: var(--bg-page);
}
.app-section .section-label {
  color: var(--navy-mid);
}
.app-section .section-label::before { background: var(--navy-mid); }
.app-section .section-title { color: var(--txt-l-h); }
.app-section .section-sub  { color: var(--txt-l-2); }
.app-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-2);
}
.app-card {
  background: #ffffff;
  border: 1px solid var(--bd-light);
  border-radius: var(--r-lg);
  padding: var(--sp-4);
  transition: var(--trans);
  box-shadow: var(--sh-card);
}
.app-card:hover {
  border-color: var(--navy-mid);
  box-shadow: 0 8px 32px rgba(10,36,99,0.14);
  transform: translateY(-4px);
}
.app-icon {
  width: 48px; height: 48px;
  background: rgba(10,36,99,0.07);
  border-radius: var(--r);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-2);
  color: var(--navy-mid);
  transition: var(--trans);
}
.app-card:hover .app-icon {
  background: var(--navy-mid);
  color: #fff;
}
.app-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--txt-l-h);
  margin-bottom: 6px;
}
.app-card p {
  font-size: 0.82rem;
  color: var(--txt-l-2);
  line-height: 1.72;
}

/* ===== REFERENCE (CASE STUDIES) — DARK ===== */
.cases-section {
  padding: var(--sp-16) 0;
  background: var(--bg-dark);
}
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--bd-dark);
  border: 1px solid var(--bd-dark);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: var(--sp-6);
}
.case-card {
  background: var(--bg-card);
  padding: var(--sp-4);
  transition: var(--trans);
}
.case-card:hover { background: var(--bg-card-hi); }
.case-header {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: var(--sp-2);
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid var(--bd-dim);
}
.case-tag {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--cyan);
}
.case-partner {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--txt-d-2);
}
.case-metrics { display: flex; gap: var(--sp-2); margin-bottom: var(--sp-2); flex-wrap: wrap; }
.cmetric {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--bg-darker);
  border: 1px solid var(--bd-dim);
  border-radius: var(--r);
  padding: 10px 14px;
  flex: 1;
  min-width: 70px;
}
.cmetric span {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--txt-d-h);
  line-height: 1;
  letter-spacing: -0.02em;
}
.cmetric.orange span { color: var(--orange-light); }
.cmetric small {
  font-size: 0.62rem;
  color: var(--txt-d-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 4px;
}
.case-card p { font-size: 0.82rem; color: var(--txt-d-2); line-height: 1.75; }

.test-summary {
  background: var(--bg-card);
  border: 1px solid var(--bd-dark);
  border-radius: var(--r-lg);
  padding: var(--sp-4) var(--sp-6);
  overflow: hidden;
}
.test-summary h3 {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--txt-d-3);
  margin-bottom: var(--sp-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.test-table-wrap { overflow-x: auto; }
.test-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
.test-table th {
  text-align: left;
  padding: 10px 14px;
  background: var(--bg-card-hi);
  color: var(--txt-d-3);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--bd-dark);
}
.test-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--bd-dim);
  color: var(--txt-d-2);
}
.test-table tr:hover td { background: rgba(41,217,255,0.04); }
.test-table .highlight { color: var(--cyan); font-weight: 600; }

/* ===== ABOUT SECTION — LIGHT ===== */
.about-section {
  padding: var(--sp-16) 0;
  background: var(--bg-section);
}
.about-section .section-label { color: var(--navy-mid); }
.about-section .section-label::before { background: var(--navy-mid); }
.about-section .section-title { color: var(--txt-l-h); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-8);
  align-items: start;
}
.about-left p {
  font-size: 0.95rem;
  color: var(--txt-l-2);
  line-height: 1.88;
  margin-bottom: var(--sp-3);
}
.about-logo-wrap {
  background: #fff;
  border: 1px solid var(--bd-light);
  border-radius: var(--r-md);
  padding: var(--sp-3) 3rem;
  display: inline-block;
  margin-bottom: var(--sp-3);
  box-shadow: var(--sh-card);
}
.about-logo {
  height: 52px;
  width: auto;
  object-fit: contain;
}

/* expertise on light */
.expertise-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  background: var(--bd-light);
  border: 1px solid var(--bd-light);
  border-radius: var(--r-md);
  overflow: hidden;
  margin-bottom: var(--sp-3);
  box-shadow: var(--sh-card);
}
.expertise-card {
  background: #fff;
  padding: var(--sp-2) var(--sp-3);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  transition: var(--trans);
}
.expertise-card:hover { background: #f0f6ff; }
.expertise-icon { font-size: 1.2rem; flex-shrink: 0; }
.expertise-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--txt-l-h);
}
.expertise-desc {
  font-size: 0.75rem;
  color: var(--txt-l-3);
}
.team-note {
  font-size: 0.78rem !important;
  color: var(--txt-l-3) !important;
  margin-bottom: 0 !important;
  line-height: 1.6;
}

/* Timeline — light section */
.about-right h3 {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--txt-l-3);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--sp-3);
}
.timeline {
  display: flex;
  flex-direction: column;
  position: relative;
  margin-bottom: var(--sp-4);
}
.timeline::before {
  content: '';
  position: absolute;
  left: 112px;
  top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--navy-mid), transparent);
  opacity: 0.35;
}
.tl-item {
  display: grid;
  grid-template-columns: 106px 1fr;
  gap: var(--sp-3);
  align-items: flex-start;
  padding: 14px 0;
  position: relative;
}
.tl-item::after {
  content: '';
  position: absolute;
  left: 108px;
  top: 50%;
  transform: translateY(-50%);
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--bg-section);
  border: 2px solid var(--navy-mid);
  z-index: 1;
}
.tl-item--highlight::after {
  background: var(--navy-mid);
  border-color: var(--navy-mid);
  box-shadow: 0 0 10px rgba(22,53,128,0.4);
}
/* ★ 연도 표기 — 크고 선명하게 */
.tl-year {
  font-size: 0.88rem;
  font-weight: 900;
  color: #fff;
  text-align: center;
  background: var(--navy-mid);
  border: none;
  border-radius: var(--r-sm);
  padding: 5px 10px;
  line-height: 1.3;
  white-space: nowrap;
  display: inline-block;
  width: fit-content;
  justify-self: end;
  box-shadow: 0 2px 8px rgba(10,36,99,0.25);
  letter-spacing: 0.02em;
}
.tl-item--highlight .tl-year {
  background: var(--orange);
  box-shadow: 0 2px 12px rgba(244,123,32,0.35);
}
.tl-content {
  font-size: 0.85rem;
  color: var(--txt-l-2);
  padding-left: var(--sp-2);
  padding-top: 2px;
  line-height: 1.6;
}
.tl-content strong { color: var(--txt-l-h); }

/* partner chips on light */
.partner-grid { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: var(--sp-3); }
.partner-chip {
  background: #fff;
  border: 1px solid var(--bd-light);
  border-radius: var(--r-sm);
  padding: 5px 14px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--txt-l-2);
  letter-spacing: 0.06em;
  transition: var(--trans);
  box-shadow: 0 1px 4px rgba(14,30,53,0.08);
}
.partner-chip:hover {
  border-color: var(--navy-mid);
  color: var(--navy-mid);
  box-shadow: 0 2px 8px rgba(10,36,99,0.12);
}
.ip-summary { display: flex; gap: var(--sp-2); }
.ip-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: #fff;
  border: 1px solid var(--bd-light);
  border-radius: var(--r);
  padding: var(--sp-2) var(--sp-3);
  text-align: center;
  flex: 1;
  box-shadow: var(--sh-card);
}
.ip-num {
  font-size: 2rem;
  font-weight: 900;
  color: var(--navy-mid);
  line-height: 1;
}
.ip-item span:last-child {
  font-size: 0.68rem;
  color: var(--txt-l-3);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ===== NEWSROOM — LIGHT ===== */
.news-section {
  padding: var(--sp-16) 0;
  background: var(--bg-page);
}
.news-section .section-label { color: var(--navy-mid); }
.news-section .section-label::before { background: var(--navy-mid); }
.news-section .section-title { color: var(--txt-l-h); }
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-2);
  margin-bottom: var(--sp-6);
}
.news-card {
  background: #ffffff;
  border: 1px solid var(--bd-light);
  border-radius: var(--r-lg);
  padding: var(--sp-4);
  transition: var(--trans);
  box-shadow: var(--sh-card);
}
.news-card--empty {
  min-height: 200px;
  background: var(--bg-card-light, #ffffff);
  border: 1.5px dashed var(--bd-light);
  box-shadow: none;
  cursor: default;
}
.news-card--empty:hover {
  transform: none;
  box-shadow: none;
  border-color: var(--bd-light);
}
.news-card:hover {
  border-color: var(--navy-mid);
  box-shadow: var(--sh-lift);
  transform: translateY(-3px);
}
.news-date {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--navy-mid);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--sp-1);
}
.news-card h3 {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--txt-l-h);
  margin-bottom: 8px;
  line-height: 1.5;
}
.news-card p {
  font-size: 0.80rem;
  color: var(--txt-l-2);
  line-height: 1.72;
}
.news-cta {
  text-align: center;
  padding: var(--sp-4);
  border-top: 1px solid var(--bd-light);
}
.news-cta p {
  font-size: 0.85rem;
  color: var(--txt-l-3);
  margin-bottom: var(--sp-2);
}

/* ===== CONTACT SECTION — DARK ===== */
.contact-section {
  padding: var(--sp-16) 0;
  background: var(--bg-darker);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--sp-8);
  align-items: start;
}
.contact-left h2 {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--txt-d-h);
  line-height: 1.1;
  margin-bottom: var(--sp-2);
  letter-spacing: -0.02em;
}
.contact-left p {
  font-size: 0.92rem;
  color: var(--txt-d-2);
  margin-bottom: var(--sp-4);
  line-height: 1.82;
}
.contact-brand {
  background: var(--bg-card);
  border: 1px solid var(--bd-dark);
  border-radius: var(--r-lg);
  padding: var(--sp-3) var(--sp-4);
  margin-bottom: var(--sp-3);
}
.cb-logo-wrap {
  background: rgba(255,255,255,0.92);
  border-radius: var(--r);
  padding: 10px 18px;
  display: inline-block;
  margin-bottom: 10px;
}
.cb-logo { height: 36px; width: auto; object-fit: contain; }
.cb-tagline {
  font-size: 0.68rem;
  color: var(--cyan);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.contact-info { display: flex; flex-direction: column; gap: 10px; margin-bottom: var(--sp-3); }

/* Contact topics */
.contact-topics {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  margin: var(--sp-3) 0;
}
.contact-topic {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-2);
  background: rgba(41,217,255,0.06);
  border: 1px solid var(--bd-dark);
  border-radius: var(--r-md);
  padding: var(--sp-2) var(--sp-3);
}
.ct-icon { font-size: 1.2rem; flex-shrink: 0; padding-top: 2px; }
.ct-title { font-size: 0.85rem; font-weight: 700; color: var(--txt-d-h); margin-bottom: 2px; }
.ct-desc  { font-size: 0.75rem; color: var(--txt-d-3); }
.ci-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--txt-d-3);
}
.ci-item svg { flex-shrink: 0; opacity: 0.7; }
.hs-badge-wrap { margin-top: var(--sp-2); }
.btn-linkedin {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: var(--sp-2);
  padding: 10px 20px;
  background: #0A66C2;
  color: #fff;
  border-radius: var(--r);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  transition: var(--trans);
  border: none;
}
.btn-linkedin:hover {
  background: #084e96;
  box-shadow: 0 4px 16px rgba(10,102,194,0.35);
  transform: translateY(-2px);
}
.hs-badge {
  height: 56px;
  width: auto;
  object-fit: contain;
  border-radius: var(--r);
  opacity: 0.88;
}
.contact-right {
  background: #ffffff;
  border: 1px solid var(--bd-light);
  border-radius: var(--r-xl);
  padding: 2.5rem;
  box-shadow: var(--sh-lg);
}
.contact-form { display: flex; flex-direction: column; gap: var(--sp-2); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-2); }
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group label {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--txt-l-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.form-group input,
.form-group textarea,
.form-group select {
  padding: 12px 14px;
  border: 1px solid var(--bd-light);
  border-radius: var(--r);
  font-size: 0.875rem;
  color: var(--txt-l-h);
  background: var(--bg-section);
  transition: var(--trans);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--navy-mid);
  box-shadow: 0 0 0 3px rgba(22,53,128,0.10);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--txt-l-3); }
.form-group select option { background: #fff; color: var(--txt-l-h); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-note { font-size: 0.72rem; color: var(--txt-l-3); text-align: center; margin-top: 4px; }
.form-success { text-align: center; padding: var(--sp-6); }
.success-icon {
  width: 60px; height: 60px;
  background: rgba(41,217,255,0.12);
  color: var(--navy-mid);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  margin: 0 auto var(--sp-2);
  border: 1px solid var(--bd-glow);
}
.form-success h3 { font-size: 1.2rem; color: var(--txt-l-h); margin-bottom: 8px; }
.form-success p  { color: var(--txt-l-2); font-size: 0.85rem; }

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-darkest);
  border-top: 1px solid rgba(41,217,255,0.14);
  padding: var(--sp-8) 0 var(--sp-4);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-6);
  margin-bottom: var(--sp-6);
  padding-bottom: var(--sp-6);
  border-bottom: 1px solid var(--bd-dim);
}
.footer-logo-wrap {
  display: inline-block;
  margin-bottom: var(--sp-2);
}
.footer-logo { height: 34px; width: auto; object-fit: contain; }
.footer-logo--white {
  height: 40px;
  opacity: 0.45;
  filter: brightness(0) invert(1);
  transition: opacity 0.2s ease;
}
.footer-logo--white:hover { opacity: 0.7; }
.footer-brand p {
  font-size: 0.82rem;
  color: var(--txt-d-3);
  line-height: 1.72;
  margin-bottom: var(--sp-2);
}
.footer-tm { font-size: 0.68rem; color: var(--txt-d-4); line-height: 1.5; }
.footer-nav h4 {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--txt-d-2);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--sp-2);
}
.footer-nav ul { display: flex; flex-direction: column; gap: 8px; }
.footer-nav a {
  font-size: 0.82rem;
  color: var(--txt-d-3);
  transition: var(--trans);
}
.footer-nav a:hover { color: var(--cyan); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.72rem;
  color: var(--txt-d-4);
}

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* ===== PAIN POINTS & NEEDS — DARK ===== */
.pain-section {
  padding: var(--sp-16) 0;
  background: var(--bg-dark);
}
.pain-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto;
  /* vertical 1px separators between col; horizontal row gaps via border-bottom on items */
  column-gap: 1px;
  row-gap: 0;
  background: var(--bd-dark);  /* shows through column-gap as divider line */
  border: 1px solid var(--bd-dark);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: var(--sp-8);
}
.pain-col-header {
  background: var(--bg-darker);
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--bd-dark);
}
.pain-col-tag {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 5px 14px;
  border-radius: 100px;
}
.pain-tag--red {
  background: rgba(239,68,68,0.12);
  color: #fc8585;
  border: 1px solid rgba(239,68,68,0.25);
}
.pain-tag--cyan {
  background: rgba(41,217,255,0.10);
  color: var(--cyan);
  border: 1px solid var(--bd-glow);
}
.pain-item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-2);
  padding: var(--sp-4);
  border-bottom: 3px solid var(--bg-dark);
  align-self: stretch;
}
/* Pain Points column — subtle red tint */
.pain-item--pain {
  background: rgba(239,68,68,0.06);
  border-left: 3px solid rgba(239,68,68,0.35);
}
/* Needs column — subtle cyan tint */
.pain-item--need {
  background: rgba(41,217,255,0.05);
  border-left: 3px solid rgba(41,217,255,0.30);
}
.pain-item--last { border-bottom: none; }
.pain-item-num {
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--txt-d-4);
  letter-spacing: 0.06em;
  flex-shrink: 0;
  padding-top: 3px;
  width: 24px;
}
.pain-item-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  width: 32px;
  padding-top: 2px;
  line-height: 1;
}
.pain-item h4 {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--txt-d-h);
  margin-bottom: 6px;
  line-height: 1.4;
}
.pain-item p {
  font-size: 0.82rem;
  color: var(--txt-d-2);
  line-height: 1.75;
}
.pain-item strong { color: var(--cyan); font-weight: 600; }

/* ===== RESEARCH TECH GRID (2-col) ===== */
.tech-grid--two { grid-template-columns: 1fr 1fr !important; }
.tech-card--research { position: relative; }
.tech-icon--research { color: var(--cyan); }
.tech-research-num {
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--txt-d-4);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 4px;
}
.tech-product-link { margin-top: var(--sp-3); }
.tech-product-badge {
  display: inline-flex;
  align-items: center;
  background: rgba(41,217,255,0.08);
  border: 1px solid var(--bd-glow);
  color: var(--cyan);
  font-size: 0.75rem;
  padding: 6px 14px;
  border-radius: var(--r);
  letter-spacing: 0.02em;
}
.tech-product-badge strong { color: #fff; margin-left: 2px; }
.tech-product-badge--orange {
  background: rgba(244,123,32,0.10);
  border-color: rgba(244,123,32,0.28);
  color: var(--orange-light);
}
.tech-product-badge--orange strong { color: #fff; }

/* ===== PROCESS GRID (3-step) ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--bd-dark);
  border: 1px solid var(--bd-dark);
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: var(--sp-6);
}
.process-card {
  background: var(--bg-card);
  padding: var(--sp-4);
  transition: var(--trans);
  position: relative;
}
.process-card:hover { background: var(--bg-card-hi); }
.process-num {
  font-size: 2.5rem;
  font-weight: 900;
  color: rgba(41,217,255,0.16);
  line-height: 1;
  margin-bottom: var(--sp-1);
  letter-spacing: -0.04em;
}
.process-icon { color: var(--cyan); margin-bottom: var(--sp-2); }
.process-card h3 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--txt-d-h);
  margin-bottom: 6px;
  line-height: 1.3;
}
.process-card h3 span {
  display: block;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--txt-d-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 2px;
}
.process-card p {
  font-size: 0.82rem;
  color: var(--txt-d-2);
  line-height: 1.75;
}
.product-line-header { margin-bottom: var(--sp-3); }
.product-line-header h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--txt-d-h);
  margin-bottom: 4px;
}

/* ===== APP STAT ROWS ===== */
.app-stat-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: var(--sp-2);
}
.app-stat {
  background: rgba(41,217,255,0.08);
  border: 1px solid var(--bd-glow);
  color: var(--cyan);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 100px;
  letter-spacing: 0.04em;
}

/* app-apply label */
.app-apply {
  margin-top: var(--sp-2);
  font-size: 0.72rem;
  color: var(--txt-d-3);
  letter-spacing: 0.04em;
  border-top: 1px solid var(--bd-dim);
  padding-top: var(--sp-1);
}

/* SBH Showcase */
.sbh-showcase {
  margin-top: var(--sp-8);
  background: var(--bg-dark);
  border: 1px solid var(--bd-dark);
  border-radius: var(--r-xl);
  padding: var(--sp-6);
  text-align: center;
}
.sbh-label {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--cyan);
  margin-bottom: var(--sp-4);
}
.sbh-diagram { display: flex; justify-content: center; }
.sbh-svg { width: 100%; max-width: 480px; height: auto; }

/* ===== ABOUT: PARTNER GROUPS ===== */
.about-right-title {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--txt-l-3);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: var(--sp-3);
}
.partner-groups {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}
.partner-group {}
.partner-group-label {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--navy-mid);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--sp-1);
  padding-left: 2px;
}
.partner-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* ===== MOBILE NAV ===== */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0; right: 0;
    background: rgba(240,244,249,0.98);
    flex-direction: column;
    padding: var(--sp-3) var(--sp-4);
    border-bottom: 1px solid var(--bd-light);
    gap: var(--sp-1);
  }
  .nav.dark-mode .nav-links {
    background: rgba(240,244,249,0.98);
    border-bottom-color: rgba(10,36,99,0.10);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px 0; border-bottom: 1px solid var(--bd-light); }
  .nav.dark-mode .nav-links a { border-bottom-color: var(--bd-light); }
  .nav-links a:last-child { border-bottom: none; }
  .nav-toggle { display: flex; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .metrics-grid  { grid-template-columns: 1fr 1fr; }
  .tech-grid     { grid-template-columns: 1fr 1fr; }
  .about-grid    { grid-template-columns: 1fr; gap: var(--sp-6); }
  .contact-grid  { grid-template-columns: 1fr; }
  .footer-grid   { grid-template-columns: 1fr 1fr; gap: var(--sp-4); }
  .pf-row        { grid-template-columns: 1fr; min-height: auto; }
  .pf-row--reverse .pf-text    { order: 1; }
  .pf-row--reverse .pf-img-wrap{ order: 0; }
  .pf-img-wrap   { height: 320px; }
  .pf-text       { padding: var(--sp-6) var(--sp-4); }
  .ebar-item     { grid-template-columns: 180px 1fr 80px; }
}
@media (max-width: 1024px) {
  .tech-grid--two { grid-template-columns: 1fr !important; }
  .pain-grid      { grid-template-columns: 1fr; }
  .process-grid   { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .section-title   { font-size: 1.75rem; }
  .hero-title      { font-size: 2.2rem; }
  .metrics-grid    { grid-template-columns: 1fr; }
  .problem-grid    { grid-template-columns: 1fr; }
  .tech-grid       { grid-template-columns: 1fr; }
  .tech-grid--two  { grid-template-columns: 1fr !important; }
  .app-grid        { grid-template-columns: 1fr 1fr; }
  .case-grid       { grid-template-columns: 1fr; }
  .news-grid       { grid-template-columns: 1fr; }
  .prod-grid       { grid-template-columns: 1fr; }
  .process-grid    { grid-template-columns: 1fr; }
  .pain-grid       { grid-template-columns: 1fr; }
  .hero-stats      { flex-direction: column; gap: var(--sp-2); }
  .hstat-divider   { display: none; }
  .ebar-item       { grid-template-columns: 1fr; gap: 4px; }
  .ebar-val        { text-align: left; }
  .stats-strip     { flex-direction: column; gap: var(--sp-3); }
  .form-row        { grid-template-columns: 1fr; }
  .footer-grid     { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .app-grid        { grid-template-columns: 1fr; }
  .contact-left h2 { font-size: 1.75rem; }
  .hero-cta        { flex-direction: column; }
  .hero-cta .btn   { justify-content: center; }
  .prod-tabs       { flex-direction: column; border-radius: var(--r); }
  .prod-tab        { border-right: none; border-bottom: 1px solid var(--bd-dark); }
  .prod-tab:last-child { border-bottom: none; }
}