/* ==========================================================================
   Prominent Lifecare — PromQ Prime Product Showcase
   Theme: Ultrapure water · Lab precision · Mobile-first
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:        #07152b;
  --navy-2:      #0a1f3d;
  --navy-3:      #0d2d55;
  --blue:        #1a4e8a;
  --blue-deep:   #0a3060;
  --ice:         #5ba3d9;
  --frost:       #c8e6f7;
  --white:       #f0f8ff;
  --silver:      #a8c8e8;
  --accent:      #38b6ff;
  --accent-soft: rgba(56, 182, 255, 0.12);
  --accent-line: rgba(56, 182, 255, 0.25);
  --teal:        #2dd4bf;
  --glass:       rgba(10, 30, 60, 0.55);
  --glass-line:  rgba(56, 182, 255, 0.18);
  --shadow-lg:   0 30px 60px -20px rgba(0, 0, 0, 0.6);
  --shadow-md:   0 12px 30px -10px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px rgba(56, 182, 255, 0.18);

  --serif: 'Cormorant Garamond', Georgia, serif;
  --sans:  'DM Sans', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;

  --container: 1200px;
  --radius:    16px;
  --radius-sm: 10px;
}

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--sans);
  background: var(--navy);
  color: var(--white);
  line-height: 1.65;
  font-size: 16px;
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}

img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s ease; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }

/* ==========================================================================
   Background canvas (matches coming-soon vibe)
   ========================================================================== */
.bg-canvas { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.bg-canvas::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 80% -10%, #0d2d55 0%, transparent 55%),
    radial-gradient(ellipse at 0% 110%, #0a3060 0%, transparent 50%),
    var(--navy);
}
.blob { position: absolute; border-radius: 50%; filter: blur(110px); opacity: 0.22; pointer-events: none; }
.blob-1 { width: 600px; height: 600px; background: #1a4e8a; top: -180px; right: -150px; animation: drift 16s ease-in-out infinite alternate; }
.blob-2 { width: 480px; height: 480px; background: #0a3060; bottom: -150px; left: -140px; animation: drift 20s ease-in-out infinite alternate-reverse; }
.blob-3 { width: 380px; height: 380px; background: #38b6ff; top: 40%; left: 50%; transform: translateX(-50%); opacity: 0.10; animation: drift 13s ease-in-out infinite alternate; }
@keyframes drift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(30px, -30px) scale(1.07); }
}

.grid-lines {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(91,163,217,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91,163,217,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
}

.particles { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.p {
  position: absolute; border-radius: 50%;
  background: var(--accent); opacity: 0;
  animation: rise linear infinite;
}
@keyframes rise {
  0%   { opacity: 0; transform: translateY(0) scale(1); }
  10%  { opacity: 0.5; }
  90%  { opacity: 0.2; }
  100% { opacity: 0; transform: translateY(-100vh) scale(0.4); }
}

/* ==========================================================================
   Container & utilities
   ========================================================================== */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 1.25rem; position: relative; z-index: 1; }
@media (min-width: 768px) { .container { padding: 0 2rem; } }

.section { padding: clamp(2.5rem, 5vw, 4.5rem) 0; position: relative; z-index: 1; }
.section-tight { padding: clamp(1.5rem, 4vw, 3rem) 0; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--accent); font-weight: 500;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  border-radius: 100px;
  padding: 6px 16px;
  backdrop-filter: blur(8px);
}
.eyebrow::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}

.section-title {
  font-family: var(--serif);
  font-size: clamp(1.85rem, 5.5vw, 3rem);
  font-weight: 300; letter-spacing: 0.01em;
  color: #e8f4fd; line-height: 1.15;
  margin: 0.9rem 0 0.6rem;
}
.section-title em { color: var(--accent); font-style: italic; font-weight: 400; }

.section-sub {
  font-size: clamp(0.95rem, 2vw, 1.05rem);
  color: var(--silver); max-width: 640px;
  font-weight: 300;
}

.section-head { text-align: center; margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.section-head .section-sub { margin: 0 auto; }

.section-divider {
  display: flex; align-items: center; gap: 12px;
  width: 100%; max-width: 240px;
  margin: 1.4rem auto 0;
}
.section-divider .l { flex: 1; height: 1px; background: linear-gradient(to right, transparent, var(--accent-line), transparent); }
.section-divider .d {
  width: 8px; height: 11px; flex-shrink: 0;
  background: var(--accent); opacity: 0.7;
  clip-path: polygon(50% 0%, 100% 60%, 80% 100%, 20% 100%, 0% 60%);
}

/* Reveal-on-scroll */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .9s ease, transform .9s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px;
  font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 500;
  border-radius: 100px;
  transition: all 0.25s ease;
  position: relative; overflow: hidden;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #1a8fd9 100%);
  color: #ffffff;
  box-shadow: 0 8px 24px rgba(56, 182, 255, 0.35), inset 0 1px 0 rgba(255,255,255,0.2);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(56, 182, 255, 0.45), inset 0 1px 0 rgba(255,255,255,0.25); }
.btn-ghost {
  background: rgba(10, 30, 60, 0.5);
  color: #e8f4fd;
  border: 1px solid var(--accent-line);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.btn svg { width: 16px; height: 16px; }

/* ==========================================================================
   Navigation
   ========================================================================== */
.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(7, 21, 43, 0.55);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: all 0.3s ease;
}
.site-nav.scrolled {
  background: rgba(7, 21, 43, 0.85);
  border-bottom-color: var(--glass-line);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 1.25rem;
  max-width: var(--container); margin: 0 auto;
  position: relative; z-index: 120;
}
@media (min-width: 768px) { .nav-inner { padding: 16px 2rem; } }

.nav-brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--serif);
  font-size: 1.25rem; font-weight: 400;
  color: #e8f4fd;
  letter-spacing: 0.02em;
}
.nav-brand svg { width: 36px; height: 36px; flex-shrink: 0; }
.nav-brand b { color: var(--accent); font-style: italic; font-weight: 400; }

.nav-menu {
  display: none;
  align-items: center; gap: 2rem;
}
.nav-menu a {
  font-size: 13px; letter-spacing: 0.08em;
  color: var(--silver); font-weight: 400;
  position: relative; padding: 6px 0;
}
.nav-menu a::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 1px; background: var(--accent);
  transform: scaleX(0); transform-origin: center;
  transition: transform 0.25s ease;
}
.nav-menu a:hover { color: #e8f4fd; }
.nav-menu a:hover::after, .nav-menu a.active::after { transform: scaleX(1); }
.nav-menu a.active { color: var(--accent); }

/* Desktop Dropdown */
.nav-menu .dropdown { position: relative; display: flex; align-items: center; }
.nav-menu .dropdown > a { display: flex; align-items: center; gap: 6px; }
.nav-menu .dropdown > a .caret { font-size: 0.65rem; transition: transform 0.25s ease; opacity: 0.7; }
.nav-menu .dropdown:hover > a .caret { transform: rotate(180deg); opacity: 1; }
.nav-menu .dropdown-menu {
  position: absolute; top: 100%; left: 0; min-width: 190px;
  background: rgba(7, 21, 43, 0.95);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0; margin-top: 10px;
  opacity: 0; visibility: hidden;
  transform: translateY(10px);
  transition: all 0.25s ease;
  box-shadow: var(--shadow-md);
  backdrop-filter: blur(16px);
}
.nav-menu .dropdown:hover .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.nav-menu .dropdown-menu li { display: block; }
.nav-menu .dropdown-menu a {
  padding: 0.6rem 1.25rem; font-size: 0.92rem;
  color: var(--silver); display: block;
}
.nav-menu .dropdown-menu a::after { display: none; }
.nav-menu .dropdown-menu a:hover { background: rgba(56, 182, 255, 0.1); color: #e8f4fd; }

.nav-cta { display: none; }

.nav-toggle {
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px;
  border: 1px solid var(--glass-line);
  background: rgba(10, 30, 60, 0.6);
}
.nav-toggle span {
  display: block; width: 18px; height: 1.5px;
  background: var(--frost);
  position: relative;
  transition: all 0.3s ease;
}
.nav-toggle span::before, .nav-toggle span::after {
  content: ''; position: absolute; left: 0; width: 18px; height: 1.5px; background: var(--frost);
  transition: all 0.3s ease;
}
.nav-toggle span::before { top: -6px; }
.nav-toggle span::after  { top: 6px; }
.nav-toggle.open span { background: transparent; }
.nav-toggle.open span::before { top: 0; transform: rotate(45deg); }
.nav-toggle.open span::after  { top: 0; transform: rotate(-45deg); }

@media (min-width: 960px) {
  .nav-menu { display: flex; }
  .nav-cta { display: inline-flex; }
  .nav-toggle { display: none; }
}

/* Mobile drawer */
.nav-drawer {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 110;
  background:
    radial-gradient(ellipse at 80% -10%, #0d2d55 0%, transparent 55%),
    radial-gradient(ellipse at 0% 110%, #0a3060 0%, transparent 50%),
    #07152b;
  padding: 90px 1.5rem 2rem;
  display: flex; flex-direction: column; gap: 4px;
  transform: translateY(-110%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
.nav-drawer.open { transform: translateY(0); }
.nav-drawer a {
  display: block; padding: 18px 4px;
  font-size: 1.1rem; color: #e8f4fd; font-weight: 300;
  letter-spacing: 0.02em;
  border-bottom: 1px solid rgba(56, 182, 255, 0.12);
}
.nav-drawer a:active { color: var(--accent); }

/* Mobile Dropdown */
.drawer-dropdown { display: flex; flex-direction: column; }
.drawer-dropdown-btn {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; padding: 18px 4px;
  font-size: 1.1rem; color: #e8f4fd; font-weight: 300;
  letter-spacing: 0.02em; border-bottom: 1px solid rgba(56, 182, 255, 0.12);
  text-align: left;
}
.drawer-dropdown-btn .caret { font-size: 0.7rem; transition: transform 0.3s; opacity: 0.7; }
.drawer-dropdown-btn.open .caret { transform: rotate(180deg); opacity: 1; }
.drawer-dropdown-content {
  display: none; flex-direction: column;
  padding: 4px 0 4px 1rem; border-bottom: 1px solid rgba(56, 182, 255, 0.12);
  background: rgba(10, 30, 60, 0.2);
}
.drawer-dropdown-content.open { display: flex; }
.drawer-dropdown-content a { border-bottom: none; font-size: 1rem; padding: 12px 4px; color: var(--silver); }
.drawer-dropdown-content a:hover { color: #e8f4fd; }
.nav-drawer a.btn {
  margin-top: 1.4rem; align-self: stretch; text-align: center;
  border-bottom: none; padding: 16px;
  color: #fff; font-weight: 500;
}
@media (min-width: 960px) { .nav-drawer { display: none; } }
body.drawer-open { overflow: hidden; }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative; z-index: 1;
  padding: clamp(6rem, 10vw, 7rem) 0 clamp(2rem, 5vw, 4rem);
  overflow: hidden;
}
.hero-grid {
  display: grid; gap: clamp(2rem, 5vw, 3.5rem);
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 960px) {
  .hero-grid { grid-template-columns: 1.05fr 1fr; gap: 4rem; }
}

.hero-copy { max-width: 560px; }
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.3rem, 7vw, 4.2rem);
  font-weight: 300; line-height: 1.05;
  letter-spacing: 0.005em;
  color: #e8f4fd;
  margin: 1rem 0 1.2rem;
}
.hero h1 em {
  color: var(--accent); font-style: italic; font-weight: 400;
  text-shadow: 0 0 30px rgba(56, 182, 255, 0.4);
}
.hero-lede {
  font-size: clamp(1rem, 2vw, 1.15rem);
  color: var(--silver); max-width: 540px;
  line-height: 1.7;
  margin-bottom: 2rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.hero-meta {
  display: flex; gap: 2.5rem; margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(56, 182, 255, 0.1);
}
.hero-meta div { min-width: 0; }
.hero-meta .num {
  font-family: var(--serif); font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 600; color: #e8f4fd; line-height: 1; display: block;
}
.hero-meta .num span { color: var(--accent); }
.hero-meta .lbl {
  font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--silver); margin-top: 6px; display: block;
}

/* Hero product showcase card */
.hero-visual { position: relative; }
.product-stage {
  position: relative;
  border-radius: 24px;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(56,182,255,0.18) 0%, transparent 60%),
    linear-gradient(160deg, #f4f9fc 0%, #dde9f2 100%);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  box-shadow:
    0 30px 60px -20px rgba(7, 21, 43, 0.7),
    0 0 0 1px rgba(56, 182, 255, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
  overflow: hidden;
}
.product-stage::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56,182,255,0.6), transparent);
}
.product-stage::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 60%, rgba(26, 78, 138, 0.08) 100%);
  pointer-events: none;
}
.product-stage img {
  display: block; margin: 0 auto; max-width: 100%;
  filter: drop-shadow(0 24px 30px rgba(7, 21, 43, 0.25));
  animation: float 7s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}

.stage-tag {
  position: absolute; top: 14px; right: 14px;
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(7, 21, 43, 0.75);
  border: 1px solid var(--accent-line);
  border-radius: 100px;
  padding: 6px 12px;
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent);
  backdrop-filter: blur(8px);
}
.stage-tag::before {
  content: ''; width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 8px var(--accent);
}

.stage-stats {
  position: absolute; bottom: 14px; left: 14px; right: 14px;
  display: flex; justify-content: space-between; gap: 8px;
  background: rgba(7, 21, 43, 0.78);
  border: 1px solid var(--accent-line);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  backdrop-filter: blur(10px);
}
.stage-stats > div {
  text-align: center; flex: 1; min-width: 0;
}
.stage-stats .v {
  display: block; font-family: var(--serif);
  font-size: clamp(0.95rem, 2.4vw, 1.2rem);
  font-weight: 600; color: var(--accent); line-height: 1;
}
.stage-stats .l {
  display: block;
  font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--silver); margin-top: 4px;
}

/* ==========================================================================
   Glass cards / shared
   ========================================================================== */
.glass {
  background: var(--glass);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: relative;
  overflow: hidden;
}
.glass::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56,182,255,0.4), transparent);
}

/* ==========================================================================
   About
   ========================================================================== */
.about-grid {
  display: grid; gap: clamp(2rem, 5vw, 3.5rem);
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 900px) {
  .about-grid { grid-template-columns: 1fr 1fr; }
}
.about-img {
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  aspect-ratio: 4 / 5;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--glass-line);
  background:
    radial-gradient(ellipse at 50% 20%, rgba(56,182,255,0.2) 0%, transparent 60%),
    linear-gradient(160deg, #0d2d55 0%, #07152b 100%);
  display: flex; align-items: center; justify-content: center;
  padding: 1.5rem;
}
.about-img img {
  max-width: 100%; max-height: 100%;
  width: auto; height: auto;
  object-fit: contain;
  filter: drop-shadow(0 24px 30px rgba(7, 21, 43, 0.55));
  transition: transform 0.8s ease;
}
.about-img:hover img { transform: scale(1.03); }

.about-img .frame-corner {
  position: absolute; width: 22px; height: 22px;
  border: 1px solid var(--accent);
  pointer-events: none;
}
.about-img .frame-corner.tl { top: 12px; left: 12px; border-right: none; border-bottom: none; }
.about-img .frame-corner.br { bottom: 12px; right: 12px; border-left: none; border-top: none; }

.about-copy p {
  color: var(--frost); margin-bottom: 1.1rem;
  font-weight: 300; font-size: clamp(0.95rem, 1.8vw, 1.05rem);
  line-height: 1.8;
}
.about-stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 12px; margin-top: 2rem;
}
.about-stats .item {
  text-align: center;
  padding: 1rem 0.5rem;
  border: 1px solid var(--glass-line);
  border-radius: var(--radius-sm);
  background: rgba(10, 30, 60, 0.4);
}
.about-stats .v {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 4vw, 2rem); font-weight: 600;
  color: var(--accent); display: block; line-height: 1;
}
.about-stats .l {
  font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--silver); margin-top: 6px; display: block;
}

/* ==========================================================================
   Product Intro split
   ========================================================================== */
.intro-split {
  display: grid; gap: clamp(2rem, 5vw, 3.5rem);
  grid-template-columns: 1fr;
  align-items: center;
}
@media (min-width: 900px) {
  .intro-split { grid-template-columns: 1fr 1.05fr; }
  .intro-split.reverse > .intro-visual { order: 2; }
}

.intro-visual {
  position: relative;
  border-radius: 24px;
  background: linear-gradient(160deg, #f4f9fc 0%, #dde9f2 100%);
  padding: 2rem;
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--accent-line);
}
.intro-visual img {
  margin: 0 auto;
  filter: drop-shadow(0 24px 30px rgba(7, 21, 43, 0.25));
}
.intro-visual::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56,182,255,0.5), transparent);
}

.intro-copy p {
  color: var(--frost); margin-bottom: 1.1rem;
  font-weight: 300; line-height: 1.8;
  font-size: clamp(0.95rem, 1.8vw, 1.05rem);
}
.compliance-row {
  display: flex; flex-wrap: wrap; gap: 10px; margin-top: 1.6rem;
}
.compliance-row .pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px;
  font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--frost);
  background: rgba(56,182,255,0.08);
  border: 1px solid var(--accent-line);
  border-radius: 100px;
}
.compliance-row .pill::before {
  content: '✓'; color: var(--accent); font-weight: 700;
}

/* ==========================================================================
   Features & Advantages
   ========================================================================== */
.features-grid {
  display: grid; gap: 1.25rem;
  grid-template-columns: 1fr;
}
@media (min-width: 720px)  { .features-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .features-grid { grid-template-columns: repeat(3, 1fr); } }

.feature {
  padding: 1.6rem 1.4rem;
  background: var(--glass);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  backdrop-filter: blur(14px);
  position: relative;
  transition: all 0.3s ease;
  overflow: hidden;
}
.feature::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56,182,255,0.4), transparent);
}
.feature:hover {
  transform: translateY(-4px);
  border-color: rgba(56,182,255,0.45);
  box-shadow: 0 18px 40px -12px rgba(0, 0, 0, 0.5), 0 0 30px rgba(56,182,255,0.1);
}
.feature .icon {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(56,182,255,0.12);
  border: 1px solid rgba(56,182,255,0.3);
  border-radius: 12px;
  margin-bottom: 1.1rem;
  color: var(--accent);
}
.feature .icon svg { width: 22px; height: 22px; }
.feature h3 {
  font-family: var(--serif); font-weight: 500;
  font-size: 1.2rem; color: #e8f4fd;
  margin-bottom: 0.45rem;
  letter-spacing: 0.005em;
}
.feature p {
  color: var(--silver); font-size: 0.92rem;
  line-height: 1.65; font-weight: 300;
}

.advantages {
  margin-top: clamp(2rem, 5vw, 3rem);
  display: grid; gap: 1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) { .advantages { grid-template-columns: repeat(3, 1fr); } }

.advantage {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 1.2rem 1.3rem;
  background: linear-gradient(135deg, rgba(56,182,255,0.05), rgba(26,78,138,0.05));
  border: 1px solid rgba(56,182,255,0.12);
  border-radius: var(--radius-sm);
}
.advantage .check {
  flex-shrink: 0; width: 28px; height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #1a8fd9);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 13px;
  box-shadow: 0 0 0 4px rgba(56,182,255,0.1);
}
.advantage div { font-size: 0.95rem; color: #e8f4fd; font-weight: 400; }

/* ==========================================================================
   Applications grid (with images)
   ========================================================================== */
.apps-grid {
  display: grid; gap: 1.25rem;
  grid-template-columns: 1fr;
}
@media (min-width: 640px)  { .apps-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px)  { .apps-grid { grid-template-columns: repeat(3, 1fr); } }

.app-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--glass-line);
  background: var(--navy-2);
  aspect-ratio: 4 / 3;
  transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
  cursor: pointer;
}
.app-card img {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(0.15) contrast(1.05) brightness(0.85);
  transition: transform 0.7s ease, filter 0.4s ease;
}
.app-card::after {
  content: '';
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(7,21,43,0.05) 0%, rgba(7,21,43,0.65) 60%, rgba(7,21,43,0.92) 100%),
    linear-gradient(135deg, rgba(26, 78, 138, 0.4), transparent 60%);
  pointer-events: none;
  transition: background 0.4s ease;
}
.app-card:hover { transform: translateY(-4px); border-color: rgba(56,182,255,0.5); box-shadow: 0 20px 50px -16px rgba(0,0,0,0.6); }
.app-card:hover img { transform: scale(1.06); filter: grayscale(0) contrast(1.1) brightness(0.95); }
.app-card .body {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 2;
  padding: 1.25rem 1.4rem;
}
.app-card .body h4 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: #ffffff; line-height: 1.2;
  letter-spacing: 0.005em;
}
.app-card .body p {
  color: rgba(232, 244, 253, 0.75);
  font-size: 0.85rem; margin-top: 6px;
  font-weight: 300;
}
.app-card .corner-tag {
  position: absolute; top: 12px; left: 12px; z-index: 2;
  font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
  background: rgba(56,182,255,0.92); color: #07152b;
  padding: 5px 10px; border-radius: 4px; font-weight: 600;
}

/* ==========================================================================
   Specifications
   ========================================================================== */
.specs-wrap {
  display: grid; gap: 1.25rem;
  grid-template-columns: 1fr;
}
@media (min-width: 900px) { .specs-wrap { grid-template-columns: 1fr 1fr; } }

.specs-card {
  padding: clamp(1.4rem, 3vw, 2rem);
  background: var(--glass);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  backdrop-filter: blur(14px);
  position: relative; overflow: hidden;
}
.specs-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56,182,255,0.4), transparent);
}
.specs-card h3 {
  font-family: var(--serif); font-weight: 400;
  font-size: 1.4rem; color: #e8f4fd;
  margin-bottom: 1rem;
  display: flex; align-items: center; gap: 10px;
}
.specs-card h3::after {
  content: ''; flex: 1; height: 1px;
  background: linear-gradient(to right, var(--accent-line), transparent);
}
.specs-list { display: flex; flex-direction: column; }
.specs-list .row {
  display: flex; justify-content: space-between; gap: 1rem;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(56,182,255,0.12);
  font-size: 0.93rem;
}
.specs-list .row:last-child { border-bottom: none; }
.specs-list .label { color: var(--silver); font-weight: 300; }
.specs-list .value {
  color: #e8f4fd; font-weight: 500;
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.specs-list .value strong { color: var(--accent); }

/* ==========================================================================
   Flow / Process Schematic
   ========================================================================== */
.flow {
  display: grid; gap: 0.8rem;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) { .flow { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 980px) { .flow { grid-template-columns: repeat(4, 1fr); } }

.flow-step {
  position: relative;
  padding: 1.2rem 1.1rem;
  background: var(--glass);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(14px);
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.flow-step:hover { border-color: rgba(56,182,255,0.4); transform: translateY(-2px); }
.flow-step .head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 8px;
}
.flow-step .step-num {
  font-family: var(--serif); font-style: italic;
  font-size: 1.4rem; line-height: 1;
  color: rgba(56, 182, 255, 0.45);
  font-weight: 600;
}
.flow-step .step-icon {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 8px;
  background: rgba(56,182,255,0.12);
  border: 1px solid rgba(56,182,255,0.2);
  color: var(--accent);
  flex-shrink: 0;
}
.flow-step .step-icon svg { width: 16px; height: 16px; }
.flow-step h5 {
  font-family: var(--serif); font-weight: 500;
  font-size: 1.02rem; color: #e8f4fd;
  letter-spacing: 0.005em;
  line-height: 1.3;
}
.flow-step p {
  font-size: 0.83rem; color: var(--silver); font-weight: 300;
  line-height: 1.55;
}

/* ==========================================================================
   Video / Media block
   ========================================================================== */
.media-block {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
  border: 1px solid var(--glass-line);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 16 / 9;
}
.media-block video {
  width: 100%; height: 100%; object-fit: cover;
  display: block;
}
.media-block::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(7,21,43,0.05), transparent 30%);
  pointer-events: none;
}

/* ==========================================================================
   Gallery
   ========================================================================== */
.gallery {
  display: grid; gap: 0.8rem;
  grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 640px) { .gallery { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 980px) { .gallery { grid-template-columns: repeat(4, 1fr); gap: 1rem; } }

.gallery-item {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--glass-line);
  aspect-ratio: 1 / 1;
  cursor: pointer;
  background:
    radial-gradient(ellipse at 50% 30%, rgba(56,182,255,0.15) 0%, transparent 60%),
    linear-gradient(160deg, #f4f9fc 0%, #dde9f2 100%);
  display: flex; align-items: center; justify-content: center;
  padding: 14px;
}
.gallery-item img {
  max-width: 100%; max-height: 100%;
  width: auto; height: auto;
  object-fit: contain;
  filter: drop-shadow(0 12px 18px rgba(7, 21, 43, 0.25));
  transition: transform 0.5s ease;
}
.gallery-item::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56,182,255,0.4), transparent);
  pointer-events: none;
}
.gallery-item:hover img { transform: scale(1.05); }
.gallery-item.dark {
  background: var(--navy-2);
  background:
    radial-gradient(ellipse at 50% 30%, rgba(56,182,255,0.2) 0%, transparent 70%),
    linear-gradient(160deg, #0d2546 0%, #07152b 100%);
}

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(7, 21, 43, 0.92);
  backdrop-filter: blur(20px);
  display: none;
  align-items: center; justify-content: center;
  padding: 2rem 1rem;
}
.lightbox.open { display: flex; }
.lightbox img {
  max-width: min(1100px, 92vw);
  max-height: 86vh;
  border-radius: var(--radius);
  border: 1px solid var(--accent-line);
  box-shadow: 0 30px 80px rgba(0,0,0,0.7);
}
.lightbox .close {
  position: absolute; top: 16px; right: 16px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(7,21,43,0.7);
  border: 1px solid var(--accent-line);
  color: var(--frost);
  font-size: 1.2rem;
  display: flex; align-items: center; justify-content: center;
}

/* ==========================================================================
   Contact
   ========================================================================== */
.contact-grid {
  display: grid; gap: 1.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 900px) { .contact-grid { grid-template-columns: 1.05fr 1fr; gap: 2.5rem; } }

.contact-info {
  padding: clamp(1.6rem, 3vw, 2.2rem);
  background: var(--glass);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  backdrop-filter: blur(14px);
  position: relative; overflow: hidden;
}
.contact-info::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56,182,255,0.4), transparent);
}
.contact-info .row {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(56,182,255,0.08);
}
.contact-info .row:last-child { border-bottom: none; }
.contact-info .ic {
  flex-shrink: 0; width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px;
  background: rgba(56,182,255,0.1);
  border: 1px solid rgba(56,182,255,0.25);
  color: var(--accent);
}
.contact-info .ic svg { width: 18px; height: 18px; }
.contact-info .lbl {
  font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--silver); margin-bottom: 3px;
}
.contact-info .val { color: #e8f4fd; font-size: 0.95rem; word-break: break-word; }
.contact-info .val a:hover { color: var(--accent); }

.contact-form {
  padding: clamp(1.6rem, 3vw, 2.2rem);
  background: var(--glass);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  backdrop-filter: blur(14px);
  display: flex; flex-direction: column; gap: 14px;
  position: relative; overflow: hidden;
}
.contact-form::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56,182,255,0.4), transparent);
}
.field { display: flex; flex-direction: column; gap: 6px; }
.field label {
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--silver);
}
.field input, .field textarea {
  width: 100%;
  padding: 12px 14px;
  background: rgba(7, 21, 43, 0.55);
  border: 1px solid var(--glass-line);
  border-radius: 10px;
  color: #e8f4fd;
  font-family: var(--sans);
  font-size: 0.95rem;
  transition: all 0.2s ease;
}
.field textarea { resize: vertical; min-height: 110px; }
.field input::placeholder, .field textarea::placeholder { color: rgba(168,200,232,0.4); }
.field input:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(56,182,255,0.12);
  background: rgba(7, 21, 43, 0.75);
}
.form-row { display: grid; gap: 14px; grid-template-columns: 1fr; }
@media (min-width: 540px) { .form-row { grid-template-columns: 1fr 1fr; } }

.form-status {
  font-size: 0.85rem;
  padding: 10px 12px;
  border-radius: 8px;
  display: none;
}
.form-status.show { display: block; }
.form-status.ok  { background: rgba(45, 212, 191, 0.1); color: #5eead4; border: 1px solid rgba(45, 212, 191, 0.3); }
.form-status.err { background: rgba(248, 113, 113, 0.1); color: #fca5a5; border: 1px solid rgba(248, 113, 113, 0.3); }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  padding: clamp(2.5rem, 6vw, 4rem) 0 1.5rem;
  border-top: 1px solid rgba(56, 182, 255, 0.12);
  background: linear-gradient(180deg, transparent, rgba(7, 21, 43, 0.6));
  position: relative; z-index: 1;
}
.footer-top {
  display: grid; gap: 2rem;
  grid-template-columns: 1fr;
  margin-bottom: 2.5rem;
}
@media (min-width: 760px) { .footer-top { grid-template-columns: 1.4fr 1fr 1fr; } }

.footer-brand {
  display: flex; flex-direction: column; gap: 0.8rem;
}
.footer-brand .name {
  font-family: var(--serif); font-size: 1.6rem; font-weight: 400;
  color: #e8f4fd; letter-spacing: 0.02em;
}
.footer-brand .name b { color: var(--accent); font-style: italic; font-weight: 400; }
.footer-brand p { color: var(--silver); font-size: 0.92rem; max-width: 380px; line-height: 1.7; font-weight: 300; }

.footer-col h5 {
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--accent); font-weight: 500;
  margin-bottom: 1rem;
}
.footer-col a, .footer-col li {
  display: block; padding: 5px 0;
  color: var(--silver); font-size: 0.9rem;
  font-weight: 300;
}
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(56,182,255,0.08);
  font-size: 0.82rem;
  color: var(--silver);
}
.footer-bottom .marks {
  display: inline-flex; gap: 12px; align-items: center;
  font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase;
  color: rgba(168, 200, 232, 0.6);
}
.footer-bottom .marks span {
  display: inline-flex; align-items: center; gap: 4px;
}
.footer-bottom .marks span::before {
  content: ''; width: 4px; height: 4px; border-radius: 50%;
  background: var(--accent);
}

/* ==========================================================================
   Back-to-top
   ========================================================================== */
.to-top {
  position: fixed; right: 16px; bottom: 16px; z-index: 50;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(56,182,255,0.92);
  color: #07152b;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(56,182,255,0.35);
  opacity: 0; pointer-events: none;
  transform: translateY(10px);
  transition: all 0.3s ease;
}
.to-top.show { opacity: 1; pointer-events: auto; transform: translateY(0); }
.to-top:hover { transform: translateY(-3px); }

/* ==========================================================================
   Decorative water wave
   ========================================================================== */
.wave-divider {
  width: 100%; height: 64px;
  position: relative;
  pointer-events: none;
  margin-top: -1px;
  background: linear-gradient(180deg, transparent, rgba(56,182,255,0.04));
}
.wave-divider svg {
  width: 100%; height: 100%;
  display: block;
}

/* ==========================================================================
   Brand logo treatment — Logo.jpg has a white background.
   We mask the white away with luminance + drop the brand colour back in
   using a CSS-only "knockout" technique that works on any browser
   that supports mix-blend-mode.
   ========================================================================== */
.brand-mark {
  display: inline-flex; align-items: center; gap: 10px;
}
.brand-mark .logo-png {
  height: 36px; width: auto;
  background: #ffffff;
  border-radius: 8px;
  padding: 4px 6px;
  box-shadow: 0 0 0 1px rgba(56,182,255,0.25), 0 4px 14px rgba(7,21,43,0.4);
}
.footer-logo {
  height: 90px; width: auto;
  background: #ffffff;
  border-radius: 14px;
  padding: 12px 20px;
  box-shadow: 0 0 0 1px rgba(56,182,255,0.25), 0 10px 24px rgba(7,21,43,0.5);
}

/* ==========================================================================
   Application icon cards (no photos)
   ========================================================================== */
.app-icon-card {
  position: relative;
  padding: clamp(1.4rem, 3vw, 1.8rem);
  background: var(--glass);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  backdrop-filter: blur(14px);
  display: flex; flex-direction: column; gap: 14px;
  transition: all 0.3s ease;
  overflow: hidden;
  min-height: 200px;
}
.app-icon-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56,182,255,0.4), transparent);
}
.app-icon-card::after {
  content: '';
  position: absolute; right: -20px; bottom: -20px;
  width: 140px; height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(56,182,255,0.18), transparent 70%);
  pointer-events: none;
  transition: transform 0.4s ease;
  z-index: 0;
}
.app-icon-card > * { position: relative; z-index: 1; }
.app-icon-card:hover {
  transform: translateY(-4px);
  border-color: rgba(56,182,255,0.5);
  box-shadow: 0 18px 40px -12px rgba(0, 0, 0, 0.5), 0 0 30px rgba(56,182,255,0.1);
}
.app-icon-card:hover::after { transform: scale(1.4); }
.app-icon-card .head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
}
.app-icon-card .num {
  font-family: var(--serif); font-style: italic;
  font-size: 1.5rem; line-height: 1;
  color: rgba(56, 182, 255, 0.45); font-weight: 600;
  flex-shrink: 0;
}
.app-icon-card .icon {
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(56,182,255,0.18), rgba(26,78,138,0.18));
  border: 1px solid rgba(56,182,255,0.3);
  border-radius: 14px;
  color: var(--accent);
  flex-shrink: 0;
}
.app-icon-card .icon svg { width: 26px; height: 26px; }
.app-icon-card h4 {
  font-family: var(--serif); font-weight: 500;
  font-size: 1.2rem; color: #e8f4fd;
  letter-spacing: 0.005em;
  line-height: 1.3;
}
.app-icon-card p {
  color: var(--silver); font-size: 0.9rem;
  line-height: 1.6; font-weight: 300;
}

/* ==========================================================================
   Transparent PNG product showcase — for hero & intro
   The new product PNGs sit on a soft cyan glow against the dark theme
   ========================================================================== */
.product-glow {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  padding: clamp(1rem, 3vw, 2rem);
  border-radius: 24px;
  isolation: isolate;
}
.product-glow::before {
  content: '';
  position: absolute; inset: 8% 8%;
  background:
    radial-gradient(ellipse at 50% 60%, rgba(56,182,255,0.45) 0%, rgba(56,182,255,0.18) 40%, transparent 70%);
  filter: blur(50px);
  z-index: -1;
}
.product-glow::after {
  content: '';
  position: absolute; bottom: 6%; left: 50%;
  width: 60%; height: 18px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse, rgba(7,21,43,0.7), transparent 70%);
  filter: blur(8px);
  z-index: -1;
}
.product-glow img {
  max-width: 100%;
  max-height: 520px;
  width: auto;
  filter: drop-shadow(0 30px 40px rgba(7, 21, 43, 0.55)) drop-shadow(0 0 40px rgba(56, 182, 255, 0.15));
  animation: float 8s ease-in-out infinite;
}

/* ==========================================================================
   Dual Product Range — two flagship cards (Prime + Water)
   ========================================================================== */
.range-grid {
  display: grid; gap: 1.5rem;
  grid-template-columns: 1fr;
}
@media (min-width: 900px) { .range-grid { grid-template-columns: 1fr 1fr; gap: 2rem; } }

.range-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--glass);
  border: 1px solid var(--glass-line);
  backdrop-filter: blur(16px);
  display: flex; flex-direction: column;
  transition: all 0.4s ease;
}
.range-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56,182,255,0.6), transparent);
}
.range-card:hover {
  transform: translateY(-6px);
  border-color: rgba(56,182,255,0.5);
  box-shadow: 0 30px 60px -16px rgba(0,0,0,0.55), 0 0 30px rgba(56,182,255,0.12);
}
.range-card .range-image {
  position: relative;
  aspect-ratio: 4 / 3;
  display: flex; align-items: center; justify-content: center;
  padding: 3.2rem 1.4rem 1.4rem;
  overflow: hidden;
}
.range-card.prime .range-image {
  background:
    radial-gradient(ellipse at 50% 25%, rgba(56,182,255,0.22) 0%, transparent 60%),
    linear-gradient(160deg, #0d2d55 0%, #07152b 100%);
}
.range-card.water .range-image {
  background:
    radial-gradient(ellipse at 50% 25%, rgba(45,212,191,0.18) 0%, transparent 60%),
    linear-gradient(160deg, #0a3d5c 0%, #07152b 100%);
}
.range-card .range-image img {
  max-width: 88%; max-height: 100%;
  width: auto; height: auto;
  object-fit: contain;
  filter: drop-shadow(0 18px 22px rgba(7, 21, 43, 0.55)) drop-shadow(0 0 24px rgba(56,182,255,0.18));
  transition: transform 0.6s ease;
}
.range-card:hover .range-image img { transform: scale(1.04); }

.range-card .range-image .badge-tag {
  position: absolute; top: 14px; left: 14px;
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(7, 21, 43, 0.78);
  border: 1px solid var(--accent-line);
  border-radius: 100px;
  padding: 6px 12px;
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent);
  backdrop-filter: blur(8px);
}
.range-card .range-image .badge-tag::before {
  content: ''; width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 8px var(--accent);
}

.range-card .range-body {
  padding: clamp(1.2rem, 3vw, 1.8rem);
  display: flex; flex-direction: column; gap: 12px;
}
.range-card .range-body h3 {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 500; color: #e8f4fd;
  line-height: 1.15;
  letter-spacing: 0.005em;
}
.range-card .range-body h3 em { color: var(--accent); font-style: italic; font-weight: 400; }
.range-card.water .range-body h3 em { color: var(--teal); }
.range-card .range-body .kicker {
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--silver); font-weight: 500;
}
.range-card .range-body p {
  color: var(--silver); font-weight: 300;
  font-size: 0.95rem; line-height: 1.65;
}
.range-card .range-quick {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-top: 4px;
}
.range-card .range-quick span {
  display: inline-flex; align-items: center;
  font-size: 11px; letter-spacing: 0.06em;
  color: var(--frost); font-weight: 400;
  background: rgba(56,182,255,0.08);
  border: 1px solid rgba(56,182,255,0.2);
  padding: 4px 10px; border-radius: 100px;
}
.range-card.water .range-quick span {
  background: rgba(45,212,191,0.08);
  border-color: rgba(45,212,191,0.25);
}
.range-card .range-cta {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 8px;
  font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent); font-weight: 500;
}
.range-card.water .range-cta { color: var(--teal); }
.range-card .range-cta svg { width: 14px; height: 14px; transition: transform 0.2s ease; }
.range-card:hover .range-cta svg { transform: translateX(4px); }

/* Hero product duo */
.hero-duo {
  position: relative;
  display: grid; gap: 14px;
  grid-template-columns: 1fr 1fr;
}
.hero-duo .duo-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--glass-line);
  display: flex; flex-direction: column;
  align-items: center; justify-content: space-between;
  padding: 14px 12px;
  gap: 10px;
  aspect-ratio: 3 / 4;
  transition: transform 0.4s ease, border-color 0.4s ease;
  text-decoration: none;
}
.hero-duo .duo-card:hover {
  transform: translateY(-4px);
  border-color: rgba(56,182,255,0.45);
}
.hero-duo .duo-card.prime {
  background:
    radial-gradient(ellipse at 50% 25%, rgba(56,182,255,0.28) 0%, transparent 65%),
    linear-gradient(160deg, #0d2d55 0%, #07152b 100%);
}
.hero-duo .duo-card.water {
  background:
    radial-gradient(ellipse at 50% 25%, rgba(45,212,191,0.22) 0%, transparent 65%),
    linear-gradient(160deg, #093a55 0%, #07152b 100%);
}
.hero-duo .duo-card.water:hover { border-color: rgba(45,212,191,0.45); }

.hero-duo .duo-card img {
  flex: 1; min-height: 0;
  width: 86%; max-width: 100%;
  object-fit: contain;
  filter: drop-shadow(0 18px 24px rgba(7, 21, 43, 0.6));
  transition: transform 0.5s ease;
}
.hero-duo .duo-card:hover img { transform: scale(1.05); }
.hero-duo .duo-card .lbl {
  display: inline-flex; align-items: center; gap: 6px;
  flex-shrink: 0;
  background: rgba(7,21,43,0.85);
  border: 1px solid var(--accent-line);
  border-radius: 100px;
  padding: 6px 14px;
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent);
  font-weight: 500;
}
.hero-duo .duo-card .lbl::before {
  content: ''; width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 8px var(--accent);
}
.hero-duo .duo-card.water .lbl {
  border-color: rgba(45,212,191,0.35);
  color: var(--teal);
}
.hero-duo .duo-card.water .lbl::before { background: var(--teal); box-shadow: 0 0 8px var(--teal); }

/* Section variant for water */
.section-water {
  position: relative;
}
.section-water .eyebrow {
  background: rgba(45,212,191,0.1);
  border-color: rgba(45,212,191,0.3);
  color: var(--teal);
}
.section-water .eyebrow::before { background: var(--teal); box-shadow: 0 0 10px var(--teal); }
.section-water .section-title em { color: var(--teal); }

/* PNG products with white-ish backgrounds (1_1, 1_2, 1_4) — let CSS soften the edges */
.product-soft {
  position: relative;
  border-radius: 24px;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(56,182,255,0.18) 0%, transparent 60%),
    linear-gradient(160deg, #f4f9fc 0%, #dde9f2 100%);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  box-shadow:
    0 30px 60px -20px rgba(7, 21, 43, 0.7),
    0 0 0 1px rgba(56, 182, 255, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
  overflow: hidden;
}
.product-soft::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56,182,255,0.6), transparent);
}
.product-soft img {
  display: block; margin: 0 auto;
  max-width: 100%; max-height: 480px;
  filter: drop-shadow(0 24px 30px rgba(7, 21, 43, 0.25));
}

/* ==========================================================================
   Component Specifications — premium PDF-style parts list
   ========================================================================== */
.component-grid {
  display: grid; gap: 1.2rem;
  grid-template-columns: 1fr;
}
@media (min-width: 720px)  { .component-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1080px) { .component-grid { grid-template-columns: repeat(3, 1fr); } }

.component-card {
  position: relative;
  background: var(--glass);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  backdrop-filter: blur(14px);
  display: flex; flex-direction: column;
  overflow: hidden;
  transition: all 0.3s ease;
}
.component-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(56,182,255,0.5), transparent);
}
.component-card:hover {
  transform: translateY(-4px);
  border-color: rgba(56,182,255,0.45);
  box-shadow: 0 18px 40px -12px rgba(0, 0, 0, 0.5), 0 0 30px rgba(56,182,255,0.1);
}
.component-card .ck-head {
  display: flex; align-items: center; gap: 12px;
  padding: 1.1rem 1.3rem 0.9rem;
  border-bottom: 1px dashed rgba(56,182,255,0.15);
}
.component-card .ck-num {
  width: 34px; height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, rgba(56,182,255,0.18), rgba(26,78,138,0.15));
  border: 1px solid rgba(56,182,255,0.3);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--serif); font-weight: 600; font-size: 0.95rem;
  flex-shrink: 0;
  letter-spacing: 0.02em;
}
.component-card h4 {
  flex: 1; min-width: 0;
  font-family: var(--serif); font-weight: 500;
  font-size: 1.1rem;
  color: #e8f4fd;
  letter-spacing: 0.005em;
  line-height: 1.25;
}
.component-card .ck-qty {
  flex-shrink: 0;
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent); font-weight: 500;
  background: rgba(56,182,255,0.1);
  border: 1px solid rgba(56,182,255,0.25);
  padding: 5px 10px; border-radius: 100px;
  font-variant-numeric: tabular-nums;
}
.component-card .ck-params {
  padding: 1rem 1.3rem;
  flex: 1;
  display: flex; flex-direction: column;
}
.component-card .ck-row {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 10px; padding: 7px 0;
  font-size: 0.88rem;
  border-bottom: 1px dotted rgba(56,182,255,0.08);
}
.component-card .ck-row:last-child { border-bottom: none; }
.component-card .ck-label {
  color: var(--silver); font-weight: 300;
}
.component-card .ck-value {
  color: #e8f4fd; font-weight: 500;
  font-variant-numeric: tabular-nums;
  text-align: right;
}
.component-card .ck-value u {
  color: var(--accent); font-style: normal;
  font-weight: 400; font-size: 0.85em;
  margin-left: 3px;
  text-decoration: none;
  letter-spacing: 0.02em;
}
.component-card .ck-material {
  padding: 0.85rem 1.3rem;
  background: rgba(7, 21, 43, 0.45);
  border-top: 1px solid rgba(56,182,255,0.1);
  display: flex; flex-direction: column; gap: 3px;
}
.component-card .ck-material .lbl {
  font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--silver); font-weight: 400;
}
.component-card .ck-material .val {
  color: #e8f4fd; font-weight: 400;
  font-size: 0.88rem;
  line-height: 1.4;
}

/* Optional inline footnote that contextualizes the parts list */
.spec-footnote {
  margin-top: 1.6rem;
  text-align: center;
  font-size: 0.8rem; color: var(--silver);
  letter-spacing: 0.06em;
}
.spec-footnote span { color: var(--accent); }

/* ==========================================================================
   Tighter responsive layout for hero on small screens
   ========================================================================== */
@media (max-width: 540px) {
  .hero { padding: 6rem 0 3rem; }
  .hero-meta { gap: 1rem; padding-top: 1.5rem; margin-top: 2rem; }
  .hero-meta div { flex: 1; min-width: 0; }
  .hero-meta .num { font-size: 1.3rem; }
  .hero-meta .num span { font-size: 0.7em; }
  .hero-actions .btn { flex: 1; min-width: 0; }
  .hero-duo { gap: 10px; }
  .hero-duo .duo-card { padding: 12px 10px; min-height: 220px; }
  .hero-duo .duo-card .lbl { padding: 5px 10px; font-size: 9px; }
}