/* ============================================================
   DR.CHILL — LANDING PAGE STYLESHEET
   Brand: White/Black/Charcoal + Cyan #15A3B5
============================================================ */

/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Barlow', sans-serif;
  font-weight: 400;
  color: #1a1a1a;
  background: #fff;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* === VARIABLES === */
:root {
  --cyan: #15A3B5;
  --cyan-dark: #0f8a9a;
  --black: #0A0A0A;
  --charcoal: #1a1a1a;
  --mid-grey: #4a4a4a;
  --light-grey: #f5f5f5;
  --border-grey: #e0e0e0;
  --heat: #E85000;
  --header-h: 80px;
}

/* === UTILITY === */
.container { max-width: 1320px; margin: 0 auto; padding: 0 24px; }
.section-pad { padding: 80px 0; }
.accent { color: var(--cyan); }
.heat-accent { color: var(--heat); }

/* ============================================================
   HEADER
============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: #fff;
  border-bottom: 1px solid var(--border-grey);
  height: var(--header-h);
  transition: box-shadow 0.3s;
}
.site-header.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.12);
}
.header-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 28px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}

/* --- LOGO --- */
.header-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  text-decoration: none;
}
.logo-img {
  height: 58px;
  width: auto;
  display: block;
  /* The real PNG has white fill + black outline — perfect on white header */
}

/* --- NAV --- */
.header-nav { flex: 1; }
.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--charcoal);
  padding: 6px 12px;
  transition: color 0.2s;
  white-space: nowrap;
}
.nav-link:hover { color: var(--cyan); }
.nav-link-pill {
  border: 1.5px solid var(--charcoal);
  border-radius: 20px;
  padding: 5px 14px;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.nav-link-pill:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* --- UTILITIES --- */
.header-utils {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.search-field {
  display: flex;
  align-items: center;
  border: 1px solid var(--border-grey);
  border-radius: 20px;
  overflow: hidden;
  background: var(--light-grey);
}
.search-field input {
  border: none;
  background: transparent;
  padding: 6px 14px;
  font-size: 13px;
  font-family: 'Barlow', sans-serif;
  width: 140px;
  outline: none;
  color: var(--charcoal);
}
.search-field button {
  padding: 6px 12px;
  color: var(--mid-grey);
  font-size: 13px;
  transition: color 0.2s;
}
.search-field button:hover { color: var(--cyan); }
.btn-signin {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--charcoal);
  padding: 7px 16px;
  border: 1.5px solid var(--charcoal);
  border-radius: 20px;
  transition: all 0.2s;
  white-space: nowrap;
}
.btn-signin:hover { background: var(--charcoal); color: #fff; }
.btn-globe {
  font-size: 15px;
  color: var(--mid-grey);
  padding: 4px;
  transition: color 0.2s;
}
.btn-globe:hover { color: var(--cyan); }

/* Hamburger */
.btn-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.btn-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--charcoal);
  border-radius: 2px;
  transition: all 0.3s;
}
.btn-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.btn-hamburger.open span:nth-child(2) { opacity: 0; }
.btn-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav drawer */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0; right: 0;
  background: #fff;
  border-top: 1px solid var(--border-grey);
  padding: 24px 28px;
  z-index: 999;
  transform: translateY(-110%);
  transition: transform 0.3s ease;
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}
.mobile-nav.open {
  transform: translateY(0);
}
.mobile-nav ul { display: flex; flex-direction: column; gap: 0; }
.mobile-nav a {
  display: block;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.08em;
  color: var(--charcoal);
  padding: 14px 0;
  border-bottom: 1px solid var(--border-grey);
  transition: color 0.2s;
}
.mobile-nav a:hover { color: var(--cyan); }

/* ============================================================
   HERO
============================================================ */
.hero-section {
  margin-top: var(--header-h);
  position: relative;
  overflow: hidden;
}
.hero-carousel { position: relative; width: 100%; }

/* Slide base */
.hero-slide {
  display: none;
  position: relative;
  width: 100%;
}
.hero-slide.active { display: block; }

/* Video slide */
.hero-slide-video {
  height: calc(100vh - var(--header-h));
  min-height: 560px;
  overflow: hidden;
}
.hero-video-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
}

/* Quad slide */
.hero-slide-quad { min-height: calc(100vh - var(--header-h)); }
.quad-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  height: calc(100vh - var(--header-h));
  min-height: 560px;
}
.quad-cell {
  position: relative;
  overflow: hidden;
}
.quad-cell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform 6s ease;
}
.quad-cell:hover img { transform: scale(1.04); }
.quad-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.35);
}

/* Full-bleed slide */
.hero-slide-full { height: calc(100vh - var(--header-h)); min-height: 560px; }
.hero-bg-img {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: grayscale(85%);
}
.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.3) 100%);
}

/* Hero text */
.hero-text-block {
  position: absolute;
  z-index: 10;
  padding: 0 48px;
}
.hero-text-center {
  top: 50%;
  transform: translateY(-50%);
  left: 0; right: 0;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero-text-left {
  bottom: 12%;
  left: 0;
  max-width: 720px;
}
.hero-tech-badge {
  display: inline-block;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  border: 1px solid var(--cyan);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 16px;
}
.hero-headline {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: clamp(52px, 8vw, 110px);
  line-height: 0.95;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}
.hero-headline-sm { font-size: clamp(40px, 6vw, 80px); }
.headline-accent { color: var(--cyan); }
.headline-white  { color: #fff; }

.hero-subline {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: clamp(13px, 1.8vw, 18px);
  letter-spacing: 0.12em;
  color: #fff;
  margin-top: 14px;
  text-transform: uppercase;
}
.hero-ctas {
  display: flex;
  gap: 16px;
  margin-top: 28px;
  flex-wrap: wrap;
  justify-content: center;
}

/* CTA Buttons */
.btn-cta-primary {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--black);
  background: var(--cyan);
  padding: 14px 32px;
  border-radius: 3px;
  transition: background 0.2s, transform 0.2s;
  display: inline-block;
}
.btn-cta-primary:hover { background: var(--cyan-dark); transform: translateY(-2px); }

.btn-cta-secondary {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.1em;
  color: #fff;
  background: transparent;
  padding: 13px 32px;
  border: 2px solid #fff;
  border-radius: 3px;
  transition: all 0.2s;
  display: inline-block;
}
.btn-cta-secondary:hover { background: #fff; color: var(--black); }

.btn-cta-outline {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--black);
  background: transparent;
  padding: 13px 32px;
  border: 2px solid var(--black);
  border-radius: 3px;
  transition: all 0.2s;
  display: inline-block;
}
.btn-cta-outline:hover { background: var(--black); color: #fff; }

.btn-discover {
  display: inline-block;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--black);
  background: #fff;
  padding: 11px 28px;
  border-radius: 30px;
  margin-top: 24px;
  transition: background 0.2s, color 0.2s;
}
.btn-discover:hover { background: var(--cyan); }

/* Hero arrows */
.hero-arrows {
  position: absolute;
  bottom: 32px;
  left: 0; right: 0;
  display: flex;
  justify-content: space-between;
  padding: 0 40px;
  z-index: 20;
  pointer-events: none;
}
.hero-arrows-s1 { bottom: 32px; }
.arrow-btn {
  pointer-events: all;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.7);
  background: rgba(0,0,0,0.3);
  color: #fff;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  backdrop-filter: blur(4px);
}
.arrow-btn:hover { background: var(--cyan); border-color: var(--cyan); color: var(--black); }

/* Dots */
.hero-dots {
  position: absolute;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 20;
}
.dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.45);
  border: none;
  transition: background 0.2s, transform 0.2s;
  cursor: pointer;
}
.dot.active { background: var(--cyan); transform: scale(1.3); }

/* ============================================================
   PROOF BAR
============================================================ */
.proof-bar {
  background: var(--black);
  padding: 28px 0;
}
.proof-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}
.proof-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 12px 32px;
}
.proof-num {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: 36px;
  color: var(--cyan);
  line-height: 1;
}
.proof-num.icon { font-size: 28px; }
.proof-flag-img {
  width: 36px; height: 36px;
  object-fit: cover; border-radius: 50%;
  display: block;
}
.proof-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(255,255,255,0.55);
}
.proof-divider {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.15);
}

/* ============================================================
   SECTION HEADERS
============================================================ */
.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-eyebrow {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
  margin-bottom: 12px;
  text-transform: uppercase;
}
.section-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: clamp(56px, 8vw, 110px);
  line-height: 0.95;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 18px;
}
.section-desc {
  font-size: 16px;
  color: var(--mid-grey);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.65;
}

/* ============================================================
   TECH HUB
============================================================ */
.tech-hub { background: var(--black); }
.tech-hub .section-title { color: #fff; }
.tech-hub .section-desc  { color: rgba(255,255,255,0.55); }
.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}
@media (max-width: 1100px) {
  .tech-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .tech-grid { grid-template-columns: 1fr; }
}
.tech-card {
  background: #fff;
  border: 1px solid var(--border-grey);
  border-radius: 4px;
  padding: 32px 28px;
  transition: box-shadow 0.25s, transform 0.25s;
  position: relative;
  overflow: hidden;
}
.tech-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}
.tech-card:hover::before { transform: scaleX(1); }
.tech-card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,0.10);
  transform: translateY(-4px);
}
.tech-card-heat::before { background: var(--heat); }
.heat-icon { color: var(--heat) !important; }

/* --- IMAGE CARD variant --- */
.tech-card-img {
  padding: 0;
  overflow: hidden;
  border-radius: 4px;
  border: 1px solid var(--border-grey);
  background: var(--black);
  display: flex;
  flex-direction: column;
}
.tech-card-img::before { display: none; } /* remove top bar; hover handled differently */

.tech-card-img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  flex-shrink: 0;
}
.tech-card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.55s ease, filter 0.55s ease;
  filter: brightness(0.82);
}
.tech-card-img:hover .tech-card-img-wrap img {
  transform: scale(1.06);
  filter: brightness(1);
}

/* gradient overlay */
.tech-card-img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.82) 0%, rgba(0,0,0,0.15) 55%, transparent 100%);
  transition: opacity 0.4s;
}
.tech-card-img-overlay-heat {
  background: linear-gradient(to top, rgba(100,20,0,0.88) 0%, rgba(0,0,0,0.15) 55%, transparent 100%);
}
.tech-card-img:hover .tech-card-img-overlay { opacity: 0.85; }

/* label pinned to bottom of image */
.tech-card-img-label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.tech-label-sub {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}
.tech-card-heat .tech-label-sub { color: var(--heat); }
.tech-label-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: 24px;
  text-transform: uppercase;
  color: #fff;
  line-height: 1;
  letter-spacing: 0.02em;
}

/* text body below image */
.tech-card-body {
  padding: 18px 18px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: var(--black);
  border-top: 2px solid var(--cyan);
}
.tech-card-heat .tech-card-body { border-top-color: var(--heat); }
.tech-card-text {
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  line-height: 1.6;
  margin-bottom: 14px;
}
.tech-card-link {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.2s;
}
.tech-card-link:hover { gap: 10px; }
.heat-link { color: var(--heat) !important; }

/* ============================================================
   PRODUCTS
============================================================ */
.products-section { background: #fff; }
.products-section .section-header { margin-bottom: 36px; }
.product-family { margin-bottom: 72px; }
.product-family:last-child { margin-bottom: 0; }
.family-header {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 36px;
}
.family-badge {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: 13px;
  letter-spacing: 0.14em;
  padding: 8px 18px;
  border-radius: 2px;
}
.family-badge-cold { background: var(--black); color: var(--cyan); }
.family-badge-heat { background: var(--heat); color: #fff; }
.family-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: 28px;
  text-transform: uppercase;
  color: var(--charcoal);
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
@media (max-width: 900px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .product-grid { grid-template-columns: 1fr; }
}
.product-card {
  border: 1px solid var(--border-grey);
  border-radius: 4px;
  overflow: hidden;
  transition: box-shadow 0.25s;
}
.product-card:hover { box-shadow: 0 8px 32px rgba(0,0,0,0.10); }
.product-img-wrap { position: relative; overflow: hidden; aspect-ratio: 4/3; }
.product-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(60%);
  transition: transform 0.5s, filter 0.5s;
}
.product-card:hover .product-img-wrap img {
  transform: scale(1.05);
  filter: grayscale(0%);
}
.product-tech-tag {
  position: absolute;
  top: 14px; right: 14px;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.1em;
  background: var(--cyan);
  color: var(--black);
  padding: 4px 10px;
  border-radius: 2px;
}
.product-tech-tag-heat { background: var(--heat); color: #fff; }
.product-info { padding: 24px; }
.product-name {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: 22px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.product-desc {
  font-size: 14px;
  color: var(--mid-grey);
  line-height: 1.6;
  margin-bottom: 18px;
}
.btn-product {
  display: inline-block;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--black);
  border: 1.5px solid var(--black);
  padding: 8px 20px;
  border-radius: 2px;
  transition: all 0.2s;
}
.btn-product:hover { background: var(--black); color: #fff; }
.btn-product-heat { border-color: var(--heat); color: var(--heat); }
.btn-product-heat:hover { background: var(--heat); color: #fff; }

/* ============================================================
   SLIDESHOW SECTION TITLE (Tech Hub / Products / R&D)
   — matches Applications section-title style exactly
============================================================ */
.slideshow-section-header {
  background: var(--black);
  text-align: center;
  padding: 60px 24px 0;
}
.slideshow-section-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: clamp(56px, 8vw, 110px);
  line-height: 0.95;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0;
}

/* ============================================================
   TECH HUB — HERO SLIDESHOW
============================================================ */
.tech-hub-section {
  position: relative;
  overflow: hidden;
  background: var(--black);
}

/* ---- Top label bar ---- */
.tech-section-bar {
  position: relative;
  z-index: 30;
  background: rgba(0,0,0,0.72);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.tech-bar-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 40px;
  height: 52px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.tech-bar-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
  background: rgba(21,163,181,0.12);
  border: 1px solid rgba(21,163,181,0.35);
  padding: 4px 12px;
  border-radius: 20px;
  text-transform: uppercase;
}
.tech-bar-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: rgba(255,255,255,0.85);
  text-transform: uppercase;
  flex: 1;
}
.tech-bar-count {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.4);
}

/* ---- Carousel ---- */
.tech-carousel {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
}

/* ---- Individual slide ---- */
.tech-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.85s ease, visibility 0.85s ease;
}
.tech-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 2;
}

/* ---- Background image ---- */
.tech-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.06);
  transition: transform 8s ease;
  filter: grayscale(55%);
}
.tech-slide.active .tech-bg {
  transform: scale(1);
}

/* ---- Dark gradient overlay ---- */
.tech-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(0,0,0,0.85) 0%,
    rgba(0,0,0,0.52) 45%,
    rgba(0,0,0,0.18) 100%
  );
}

/* ---- Text block ---- */
.tech-text-block {
  position: absolute;
  bottom: 18%;
  left: 0;
  max-width: 700px;
  padding: 0 60px;
  z-index: 10;
}

/* Category pill */
.tech-pill {
  display: inline-block;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid var(--cyan);
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 18px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s 0.1s ease, transform 0.6s 0.1s ease;
}
.tech-slide.active .tech-pill {
  opacity: 1;
  transform: translateY(0);
}

/* Technology headline */
.tech-headline {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: clamp(52px, 7.5vw, 108px);
  line-height: 0.92;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  display: flex;
  flex-direction: column;
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s 0.22s ease, transform 0.65s 0.22s ease;
}
.tech-slide.active .tech-headline {
  opacity: 1;
  transform: translateY(0);
}
.tech-eyebrow {
  color: rgba(255,255,255,0.55);
  font-size: 0.45em;
  letter-spacing: 0.2em;
  font-weight: 700;
  margin-bottom: 2px;
}
.tech-name-accent {
  color: #fff;
  line-height: 0.9;
}

/* Description */
.tech-desc {
  font-family: 'Barlow', sans-serif;
  font-size: clamp(14px, 1.5vw, 17px);
  color: rgba(255,255,255,0.7);
  line-height: 1.65;
  max-width: 420px;
  margin-bottom: 28px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s 0.36s ease, transform 0.6s 0.36s ease;
}
.tech-slide.active .tech-desc {
  opacity: 1;
  transform: translateY(0);
}

/* CTA button animation */
.tech-text-block .btn-discover {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s 0.5s ease, transform 0.55s 0.5s ease,
              background 0.2s, color 0.2s;
}
.tech-slide.active .tech-text-block .btn-discover {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Large background slide number ---- */
.tech-slide-num {
  position: absolute;
  bottom: 14%;
  right: 48px;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: clamp(80px, 12vw, 180px);
  color: rgba(255,255,255,0.04);
  line-height: 1;
  letter-spacing: -4px;
  pointer-events: none;
  user-select: none;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.8s 0.3s ease;
}
.tech-slide.active .tech-slide-num {
  opacity: 1;
}

/* ---- Navigation arrows ---- */
.tech-arrows {
  position: absolute;
  top: 50%;
  left: 0; right: 0;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 30;
  pointer-events: none;
}
.tech-arrow {
  pointer-events: all;
  width: 52px; height: 52px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.3);
  background: rgba(0,0,0,0.38);
  color: #fff;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s;
  backdrop-filter: blur(6px);
  cursor: pointer;
}
.tech-arrow:hover {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--black);
  transform: scale(1.1);
}

/* ---- Thumbnail strip ---- */
.tech-thumbs {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 30;
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 16px 40px 20px;
  background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, transparent 100%);
}
.tech-thumb {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  border: none;
  background: transparent;
  padding: 0;
  transition: transform 0.25s;
}
.tech-thumb:hover { transform: translateY(-4px); }
.tech-thumb img {
  width: 72px;
  height: 48px;
  object-fit: cover;
  border-radius: 3px;
  border: 2px solid rgba(255,255,255,0.18);
  filter: grayscale(60%) brightness(0.75);
  transition: border-color 0.25s, filter 0.25s;
  display: block;
}
.tech-thumb span {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  transition: color 0.25s;
  white-space: nowrap;
}
.tech-thumb.active img,
.tech-thumb:hover img {
  border-color: var(--cyan);
  filter: grayscale(0%) brightness(1);
}
.tech-thumb.active span,
.tech-thumb:hover span {
  color: var(--cyan);
}

/* ---- Progress bar ---- */
.tech-progress-bar {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: rgba(255,255,255,0.1);
  z-index: 31;
}
.tech-progress-fill {
  height: 100%;
  background: var(--cyan);
  width: 0%;
  transition: width 0.3s linear;
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .tech-carousel { height: 80vh; min-height: 520px; }
  .tech-text-block { padding: 0 32px; bottom: 22%; max-width: 90%; }
  .tech-thumbs { gap: 5px; padding: 12px 16px 16px; }
  .tech-thumb img { width: 52px; height: 36px; }
  .tech-thumb span { font-size: 8px; }
}
@media (max-width: 600px) {
  .tech-carousel { height: 90vh; min-height: 480px; }
  .tech-text-block { padding: 0 20px; bottom: 28%; }
  .tech-thumbs { display: none; }
  .tech-arrows { padding: 0 12px; }
  .tech-arrow { width: 40px; height: 40px; font-size: 13px; }
  .tech-slide-num { right: 16px; }
  .tech-bar-inner { padding: 0 20px; }
}

/* ============================================================
   PRODUCTS — HERO SLIDESHOW
============================================================ */
.products-section {
  position: relative;
  overflow: hidden;
  background: var(--black);
}

/* ---- Top label bar ---- */
.prod-section-bar {
  position: relative;
  z-index: 30;
  background: rgba(0,0,0,0.72);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.prod-bar-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 40px;
  height: 52px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.prod-bar-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
  background: rgba(21,163,181,0.12);
  border: 1px solid rgba(21,163,181,0.35);
  padding: 4px 12px;
  border-radius: 20px;
  text-transform: uppercase;
}
.prod-bar-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: rgba(255,255,255,0.85);
  text-transform: uppercase;
  flex: 1;
}
.prod-bar-count {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.4);
}

/* ---- Carousel ---- */
.prod-carousel {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
}

/* ---- Individual slide ---- */
.prod-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.85s ease, visibility 0.85s ease;
}
.prod-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 2;
}

/* ---- Background image ---- */
.prod-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center top;
  transform: scale(1.06);
  transition: transform 8s ease;
  filter: grayscale(55%);
}
.prod-slide.active .prod-bg {
  transform: scale(1);
}

/* ---- Dark gradient overlay ---- */
.prod-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(0,0,0,0.82) 0%,
    rgba(0,0,0,0.5) 45%,
    rgba(0,0,0,0.18) 100%
  );
}

/* ---- Text block ---- */
.prod-text-block {
  position: absolute;
  bottom: 18%;
  left: 0;
  max-width: 700px;
  padding: 0 60px;
  z-index: 10;
}

/* Tech badge */
.prod-tech-badge {
  display: inline-block;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid var(--cyan);
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 18px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s 0.1s ease, transform 0.6s 0.1s ease;
}
.prod-slide.active .prod-tech-badge {
  opacity: 1;
  transform: translateY(0);
}

/* Product headline */
.prod-headline {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: clamp(52px, 7.5vw, 108px);
  line-height: 0.92;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  display: flex;
  flex-direction: column;
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s 0.22s ease, transform 0.65s 0.22s ease;
}
.prod-slide.active .prod-headline {
  opacity: 1;
  transform: translateY(0);
}
.prod-brand {
  color: rgba(255,255,255,0.55);
  font-size: 0.45em;
  letter-spacing: 0.2em;
  font-weight: 700;
  margin-bottom: 2px;
}
.prod-name-accent {
  color: #fff;
  line-height: 0.9;
}

/* Description */
.prod-desc {
  font-family: 'Barlow', sans-serif;
  font-size: clamp(14px, 1.5vw, 17px);
  color: rgba(255,255,255,0.7);
  line-height: 1.65;
  max-width: 420px;
  margin-bottom: 28px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s 0.36s ease, transform 0.6s 0.36s ease;
}
.prod-slide.active .prod-desc {
  opacity: 1;
  transform: translateY(0);
}

/* CTA button - reuse .btn-discover but animate */
.prod-text-block .btn-discover {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s 0.5s ease, transform 0.55s 0.5s ease,
              background 0.2s, color 0.2s;
}
.prod-slide.active .prod-text-block .btn-discover {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Large background slide number ---- */
.prod-slide-num {
  position: absolute;
  bottom: 14%;
  right: 48px;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: clamp(80px, 12vw, 180px);
  color: rgba(255,255,255,0.04);
  line-height: 1;
  letter-spacing: -4px;
  pointer-events: none;
  user-select: none;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.8s 0.3s ease;
}
.prod-slide.active .prod-slide-num {
  opacity: 1;
}

/* ---- Navigation arrows ---- */
.prod-arrows {
  position: absolute;
  top: 50%;
  left: 0; right: 0;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 30;
  pointer-events: none;
}
.prod-arrow {
  pointer-events: all;
  width: 52px; height: 52px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.3);
  background: rgba(0,0,0,0.38);
  color: #fff;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s;
  backdrop-filter: blur(6px);
  cursor: pointer;
}
.prod-arrow:hover {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--black);
  transform: scale(1.1);
}

/* ---- Thumbnail strip ---- */
.prod-thumbs {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 30;
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 16px 40px 20px;
  background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, transparent 100%);
}
.prod-thumb {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  border: none;
  background: transparent;
  padding: 0;
  transition: transform 0.25s;
}
.prod-thumb:hover { transform: translateY(-4px); }
.prod-thumb img {
  width: 72px;
  height: 48px;
  object-fit: cover;
  border-radius: 3px;
  border: 2px solid rgba(255,255,255,0.18);
  filter: grayscale(60%) brightness(0.75);
  transition: border-color 0.25s, filter 0.25s;
  display: block;
}
.prod-thumb span {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  transition: color 0.25s;
  white-space: nowrap;
}
.prod-thumb.active img,
.prod-thumb:hover img {
  border-color: var(--cyan);
  filter: grayscale(0%) brightness(1);
}
.prod-thumb.active span,
.prod-thumb:hover span {
  color: var(--cyan);
}

/* ---- Progress bar ---- */
.prod-progress-bar {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: rgba(255,255,255,0.1);
  z-index: 31;
}
.prod-progress-fill {
  height: 100%;
  background: var(--cyan);
  width: 0%;
  transition: width 0.3s linear;
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .prod-carousel { height: 80vh; min-height: 520px; }
  .prod-text-block { padding: 0 32px; bottom: 22%; max-width: 90%; }
  .prod-thumbs { gap: 5px; padding: 12px 16px 16px; }
  .prod-thumb img { width: 52px; height: 36px; }
  .prod-thumb span { font-size: 8px; }
}
@media (max-width: 600px) {
  .prod-carousel { height: 90vh; min-height: 480px; }
  .prod-text-block { padding: 0 20px; bottom: 28%; }
  .prod-thumbs { display: none; }
  .prod-arrows { padding: 0 12px; }
  .prod-arrow { width: 40px; height: 40px; font-size: 13px; }
  .prod-slide-num { right: 16px; }
  .prod-bar-inner { padding: 0 20px; }
}

/* ============================================================
   APPLICATIONS
============================================================ */
.applications-section { background: var(--black); }
.applications-section .section-eyebrow { color: var(--cyan); }
.applications-section .section-desc { color: rgba(255,255,255,0.6); }
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 4px;
}

/* Applications Video */
.apps-video-wrap {
  width: 100%;
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 48px;
  position: relative;
  background: #000;
}
.apps-video {
  width: 100%;
  height: auto;
  display: block;
  max-height: 75vh;
  object-fit: cover;
}
.app-card { position: relative; overflow: hidden; }
.app-img-wrap { position: relative; aspect-ratio: 3/4; overflow: hidden; }
.app-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(70%);
  transition: transform 0.5s, filter 0.5s;
}
.app-card:hover .app-img-wrap img {
  transform: scale(1.06);
  filter: grayscale(0%);
}
.app-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, transparent 60%);
}
.app-label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 24px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: 22px;
  letter-spacing: 0.08em;
  color: #fff;
  text-transform: uppercase;
}
.app-label i { color: var(--cyan); }
.app-info {
  background: #111;
  padding: 20px;
  border-top: 2px solid var(--cyan);
}
.app-info p { font-size: 13px; color: rgba(255,255,255,0.65); line-height: 1.55; margin-bottom: 12px; }
.app-link {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.2s;
}
.app-link:hover { gap: 10px; }

/* Applications market cards */
.apps-markets-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 16px;
}
.apps-market-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px;
  padding: 36px 28px;
  text-align: center;
  transition: background 0.25s, border-color 0.25s, transform 0.25s;
}
.apps-market-card:hover {
  background: rgba(21,163,181,0.08);
  border-color: var(--cyan);
  transform: translateY(-4px);
}
.apps-market-icon {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: rgba(21,163,181,0.12);
  border: 1px solid rgba(21,163,181,0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.apps-market-icon i {
  font-size: 22px;
  color: var(--cyan);
}
.apps-market-card h3 {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: 22px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #fff;
  margin-bottom: 10px;
}
.apps-market-card p {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  line-height: 1.65;
}
@media (max-width: 900px) {
  .apps-markets-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .apps-markets-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   R&D — HERO SLIDESHOW
============================================================ */
.rd-section {
  position: relative;
  overflow: hidden;
  background: var(--black);
}

/* ---- Top label bar ---- */
.rd-section-bar {
  position: relative;
  z-index: 30;
  background: rgba(0,0,0,0.72);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.rd-bar-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 40px;
  height: 52px;
  display: flex;
  align-items: center;
  gap: 20px;
}
.rd-bar-label {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
  background: rgba(21,163,181,0.12);
  border: 1px solid rgba(21,163,181,0.35);
  padding: 4px 12px;
  border-radius: 20px;
  text-transform: uppercase;
}
.rd-bar-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: rgba(255,255,255,0.85);
  text-transform: uppercase;
  flex: 1;
}
.rd-bar-count {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.4);
}

/* ---- Carousel ---- */
.rd-carousel {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
}

/* ---- Individual slide ---- */
.rd-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.85s ease, visibility 0.85s ease;
}
.rd-slide.active {
  opacity: 1;
  visibility: visible;
  z-index: 2;
}

/* ---- Background image ---- */
.rd-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.06);
  transition: transform 8s ease;
  filter: grayscale(55%);
}
.rd-slide.active .rd-bg {
  transform: scale(1);
}

/* ---- Dark gradient overlay ---- */
.rd-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(0,0,0,0.85) 0%,
    rgba(0,0,0,0.52) 45%,
    rgba(0,0,0,0.18) 100%
  );
}

/* ---- Text block ---- */
.rd-text-block {
  position: absolute;
  bottom: 18%;
  left: 0;
  max-width: 740px;
  padding: 0 60px;
  z-index: 10;
}

/* Category pill */
.rd-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid var(--cyan);
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 18px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s 0.1s ease, transform 0.6s 0.1s ease;
}
.rd-slide.active .rd-pill {
  opacity: 1;
  transform: translateY(0);
}

/* Headline */
.rd-headline {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: clamp(46px, 6.5vw, 96px);
  line-height: 0.92;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  display: flex;
  flex-direction: column;
  margin-bottom: 14px;
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s 0.22s ease, transform 0.65s 0.22s ease;
}
.rd-slide.active .rd-headline {
  opacity: 1;
  transform: translateY(0);
}
.rd-eyebrow {
  color: rgba(255,255,255,0.55);
  font-size: 0.45em;
  letter-spacing: 0.2em;
  font-weight: 700;
  margin-bottom: 2px;
}
.rd-name-accent {
  color: #fff;
  line-height: 0.9;
}

/* Sub-line (italic tagline under headline) */
.rd-sub-line {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 600;
  font-size: clamp(13px, 1.4vw, 16px);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 16px;
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s 0.32s ease, transform 0.6s 0.32s ease;
}
.rd-slide.active .rd-sub-line {
  opacity: 1;
  transform: translateY(0);
}

/* Description */
.rd-desc {
  font-family: 'Barlow', sans-serif;
  font-size: clamp(14px, 1.4vw, 16px);
  color: rgba(255,255,255,0.7);
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 28px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s 0.42s ease, transform 0.6s 0.42s ease;
}
.rd-slide.active .rd-desc {
  opacity: 1;
  transform: translateY(0);
}

/* CTA button animation */
.rd-text-block .btn-discover {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s 0.56s ease, transform 0.55s 0.56s ease,
              background 0.2s, color 0.2s;
}
.rd-slide.active .rd-text-block .btn-discover {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Ghost slide number ---- */
.rd-slide-num {
  position: absolute;
  bottom: 14%;
  right: 48px;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: clamp(80px, 12vw, 180px);
  color: rgba(255,255,255,0.04);
  line-height: 1;
  letter-spacing: -4px;
  pointer-events: none;
  user-select: none;
  z-index: 1;
  opacity: 0;
  transition: opacity 0.8s 0.3s ease;
}
.rd-slide.active .rd-slide-num {
  opacity: 1;
}

/* ---- Navigation arrows ---- */
.rd-arrows {
  position: absolute;
  top: 50%;
  left: 0; right: 0;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 30;
  pointer-events: none;
}
.rd-arrow {
  pointer-events: all;
  width: 52px; height: 52px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.3);
  background: rgba(0,0,0,0.38);
  color: #fff;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s;
  backdrop-filter: blur(6px);
  cursor: pointer;
}
.rd-arrow:hover {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--black);
  transform: scale(1.1);
}

/* ---- Thumbnail strip ---- */
.rd-thumbs {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 30;
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 16px 40px 20px;
  background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, transparent 100%);
}
.rd-thumb {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  border: none;
  background: transparent;
  padding: 0;
  transition: transform 0.25s;
}
.rd-thumb:hover { transform: translateY(-4px); }
.rd-thumb img {
  width: 72px;
  height: 48px;
  object-fit: cover;
  border-radius: 3px;
  border: 2px solid rgba(255,255,255,0.18);
  filter: grayscale(60%) brightness(0.75);
  transition: border-color 0.25s, filter 0.25s;
  display: block;
}
.rd-thumb span {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  transition: color 0.25s;
  white-space: nowrap;
}
.rd-thumb.active img,
.rd-thumb:hover img {
  border-color: var(--cyan);
  filter: grayscale(0%) brightness(1);
}
.rd-thumb.active span,
.rd-thumb:hover span {
  color: var(--cyan);
}

/* ---- Progress bar ---- */
.rd-progress-bar {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: rgba(255,255,255,0.1);
  z-index: 31;
}
.rd-progress-fill {
  height: 100%;
  background: var(--cyan);
  width: 0%;
  transition: width 0.3s linear;
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .rd-carousel { height: 80vh; min-height: 520px; }
  .rd-text-block { padding: 0 32px; bottom: 22%; max-width: 90%; }
  .rd-thumbs { gap: 5px; padding: 12px 16px 16px; }
  .rd-thumb img { width: 52px; height: 36px; }
  .rd-thumb span { font-size: 8px; }
}
@media (max-width: 600px) {
  .rd-carousel { height: 90vh; min-height: 480px; }
  .rd-text-block { padding: 0 20px; bottom: 28%; }
  .rd-thumbs { display: none; }
  .rd-arrows { padding: 0 12px; }
  .rd-arrow { width: 40px; height: 40px; font-size: 13px; }
  .rd-slide-num { right: 16px; }
  .rd-bar-inner { padding: 0 20px; }
}

/* ============================================================
   NEWS
============================================================ */
.news-section { background: var(--light-grey); }
.news-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 24px;
}
.news-card { background: #fff; border-radius: 4px; overflow: hidden; border: 1px solid var(--border-grey); transition: box-shadow 0.25s; }
.news-card:hover { box-shadow: 0 8px 32px rgba(0,0,0,0.10); }
.news-img-wrap { overflow: hidden; }
.news-img-wrap img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  filter: grayscale(40%);
  transition: transform 0.5s, filter 0.5s;
}
.news-card:hover .news-img-wrap img { transform: scale(1.04); filter: grayscale(0%); }
.news-info { padding: 24px; }
.news-cat {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.news-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  font-size: 20px;
  text-transform: uppercase;
  color: var(--black);
  line-height: 1.2;
  margin-bottom: 8px;
}
.news-card:not(.news-card-featured) .news-title { font-size: 16px; }
.news-date { font-size: 12px; color: #999; margin-bottom: 14px; }
.news-link {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.2s;
}
.news-link:hover { gap: 10px; }

/* ============================================================
   CTA BAND
============================================================ */
.cta-band {
  background: var(--black);
  padding: 80px 24px;
  text-align: center;
}
.cta-band-inner { max-width: 700px; margin: 0 auto; }
.cta-band-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: clamp(36px, 5vw, 60px);
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 16px;
}
.cta-band-sub {
  font-size: 16px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 36px;
}
.cta-band-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ============================================================
   ABOUT
============================================================ */
.about-section { background: #fff; }
.about-layout {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 80px;
  align-items: start;
}
.about-badge {
  background: var(--black);
  border-radius: 4px;
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  min-width: 220px;
}
.about-logo {
  width: 160px;
  height: auto;
  /* Invert to white on the dark about-badge background */
  filter: invert(1);
}
.about-badge-text { text-align: center; }
.about-tagline {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.about-since { font-size: 12px; color: rgba(255,255,255,0.5); }
.about-country { font-size: 12px; color: rgba(255,255,255,0.5); }
.about-content .section-eyebrow { text-align: left; }
.about-content .section-title { text-align: left; color: var(--cyan); margin-bottom: 20px; }
.about-text { font-size: 16px; color: var(--mid-grey); line-height: 1.7; margin-bottom: 32px; }
.about-links { display: flex; gap: 40px; flex-wrap: wrap; }
.about-link-group h4 {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--black);
  margin-bottom: 12px;
}
.about-link-group ul { display: flex; flex-direction: column; gap: 8px; }
.about-link-group a {
  font-size: 14px;
  color: var(--mid-grey);
  transition: color 0.2s;
}
.about-link-group a:hover { color: var(--cyan); }

/* About section — address block */
.about-address {
  font-style: normal;
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-family: 'Barlow', sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--mid-grey);
}
.about-addr-name {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--black);
  margin-bottom: 4px;
}
.about-addr-support {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  color: #888;
  line-height: 1.7;
}
.about-addr-support a {
  color: var(--cyan);
  text-decoration: none;
  transition: opacity .2s;
}
.about-addr-support a:hover { opacity: 0.75; }

/* ============================================================
   FOOTER
============================================================ */
.site-footer { background: #fff; border-top: 1px solid var(--border-grey); padding: 60px 0 0; }
.footer-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 28px 48px;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 28px;
}
.footer-heading {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--black);
  margin-bottom: 16px;
}
.footer-heading-space { margin-top: 24px; }
.footer-list { display: flex; flex-direction: column; gap: 8px; }
.footer-list a {
  font-size: 13px;
  color: var(--mid-grey);
  transition: color 0.2s;
  line-height: 1.4;
}
.footer-list a:hover { color: var(--cyan); }

/* Footer address block */
.footer-address {
  font-style: normal;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-family: 'Barlow', sans-serif;
  font-size: 13px;
  line-height: 1.6;
  color: #555;
}
.footer-address span { display: block; }
.footer-addr-name {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.06em;
  color: #1a1a1a;
  display: block;
  margin-bottom: 2px;
}
.footer-address a {
  color: var(--cyan);
  text-decoration: none;
  transition: opacity .2s;
}
.footer-address a:hover { opacity: 0.75; }
.footer-addr-support {
  display: block;
  margin-top: 10px;
  font-size: 12px;
  color: #777;
  line-height: 1.7;
}
.footer-sub-heading {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 900;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--black);
  margin-bottom: 10px;
  margin-top: 4px;
}
.footer-sub-heading-heat { color: var(--heat); margin-top: 20px; }
.footer-col-socials {}
.social-icons { display: flex; flex-direction: column; gap: 8px; }
.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  background: var(--black);
  color: #fff;
  font-size: 14px;
  border-radius: 3px;
  transition: background 0.2s;
}
.social-icon:hover { background: var(--cyan); color: var(--black); }
.footer-bottom {
  border-top: 1px solid var(--border-grey);
  padding: 18px 28px;
  text-align: center;
}
.footer-bottom p { font-size: 12px; color: #999; }
.footer-bottom a { color: #15A3B5; text-decoration: none; transition: opacity 0.2s; }
.footer-bottom a:hover { opacity: 0.75; text-decoration: underline; }

/* ============================================================
   ABOUT US SECTION
============================================================ */
.about-section {
  background: #fff;
}
.about-section .section-title {
  color: var(--black);
}
.about-content-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 0;
}
.about-card {
  background: var(--black);
  border-radius: 4px;
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s;
}
.about-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 3px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}
.about-card:hover::after { transform: scaleX(1); }
.about-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.18);
}
/* Philosophy card is an anchor — reset link styles */
a.about-card {
  text-decoration: none;
  cursor: pointer;
}
a.about-card:hover .about-card-cta { color: var(--cyan); }
.about-card-badge {
  position: absolute;
  top: 20px; right: 20px;
  background: var(--cyan);
  color: #fff;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 2px;
}
.about-card-icon {
  width: 48px; height: 48px;
  background: rgba(21,163,181,0.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}
.about-card-icon i {
  font-size: 20px;
  color: var(--cyan);
}
.about-card-title {
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 800;
  font-size: 22px;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: #fff;
  line-height: 1.1;
}
.about-card-text {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  line-height: 1.78;
  flex: 1;
}
.about-card-address {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-style: normal;
  margin-top: 6px;
}
.about-card-address span {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.about-card-address span i {
  color: var(--cyan);
  font-size: 12px;
  margin-top: 2px;
  flex-shrink: 0;
}
.about-card-address a {
  color: var(--cyan);
  text-decoration: none;
}
.about-card-address a:hover { text-decoration: underline; }
.about-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  transition: color 0.2s;
  margin-top: 4px;
}
.about-card-cta i { font-size: 11px; }
.about-mission-values {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}
.about-mission-values span {
  background: rgba(21,163,181,0.15);
  border: 1px solid rgba(21,163,181,0.3);
  color: var(--cyan);
  font-family: 'Barlow Condensed', sans-serif;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 2px;
}
@media (max-width: 1024px) {
  .about-content-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .about-content-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 1200px) {
  .footer-inner { grid-template-columns: repeat(4, 1fr); }
  .news-grid { grid-template-columns: 1fr 1fr; }
  .news-card-featured { grid-column: 1 / -1; }
  .news-card-featured .news-img-wrap img { aspect-ratio: 21/9; }
}

@media (max-width: 1024px) {
  .rd-layout { grid-template-columns: 1fr; gap: 40px; }
  .about-layout { grid-template-columns: 1fr; gap: 40px; }
  .about-badge { flex-direction: row; align-items: center; min-width: unset; max-width: 500px; }
  .about-badge-text { text-align: left; }
}

@media (max-width: 900px) {
  .header-nav { display: none; }
  .search-field { display: none; }
  .btn-glob { display: none; }
  .btn-signin { display: none; }
  .btn-hamburger { display: flex; }
  .mobile-nav { display: block; }
}

@media (max-width: 768px) {
  .quad-grid { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; }
  .hero-text-center { padding: 0 24px; }
  .hero-headline { font-size: clamp(40px, 10vw, 60px); }
  .footer-inner { grid-template-columns: repeat(2, 1fr); }
  .apps-grid { grid-template-columns: 1fr 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .proof-inner { gap: 0; }
  .proof-item { padding: 10px 16px; }
  .proof-divider { display: none; }
}

@media (max-width: 560px) {
  .quad-grid { grid-template-columns: 1fr; grid-template-rows: repeat(4, 1fr); height: auto; min-height: unset; }
  .quad-cell { height: 200px; }
  .hero-slide-quad { min-height: unset; }
  .hero-text-block { position: relative; padding: 32px 20px; background: var(--black); }
  .hero-text-center { position: relative; bottom: auto; left: auto; right: auto; }
  .hero-text-left  { position: relative; bottom: auto; left: auto; max-width: 100%; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .apps-grid { grid-template-columns: 1fr; }
  .hero-slide-full { height: 70vw; min-height: 360px; }
  .about-badge { flex-direction: column; }
  .about-badge-text { text-align: center; }
}