/*
Theme Name:  Modern Dark
Theme URI:   https://prochem.example.com
Author:      ProChem
Author URI:  https://prochem.example.com
Description: A sleek, dark-themed WordPress theme for ProChem. Bold dark-navy palette, Syne display font, and a modern B2B chemical industry layout.
Version:     2.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.1
License:     GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: modern-dark
Tags:        dark, business, responsive, custom-logo, custom-menu, featured-images
*/

/* ===========================
   CSS Custom Properties
   =========================== */
:root {
  /* Background layers */
  --color-bg:           #ffffff;
  --color-bg-gradient:  linear-gradient(
    135deg,
    #faf8f5 0%,
    #f8f6f4 25%,
    #f5f8fb 50%,
    #f6f7fa 75%,
    #faf9f7 100%),
  radial-gradient(
    ellipse 140% 140% at 50% 50%,
    #fcfbfa 0%,
    #f8f6f4 35%,
    #f5f7fa 65%,
    #f0f2f6 100%);
  --color-surface:      #f7f9fb;
  --color-surface-alt:  #eef2f6;
  --color-surface-card: #fbfcfe;

  /* Borders */
  --color-border:       #e7e9ec;
  --color-border-light: #d8dde3;

  /* Accent — Darker blue with metallic characteristics */
  --color-accent:       #0f5a7d;
  --color-accent-dark:  #052d3f;
  --color-accent-dim:   rgba(15, 90, 125, 0.12);
  --color-accent-glow:  rgba(15, 90, 125, 0.22);

  /* Text */
  --color-text:         #0a0a0a;
  --color-text-muted:   #5f6368;
  --color-text-bright:  #000000;
  --color-heading:      #0a0a0a;

  /* Tag colours */
  --tag-blue-bg:   rgba(15, 90, 125, 0.12);
  --tag-blue-fg:   #0f5a7d;
  --tag-green-bg:  rgba(52, 211, 153, 0.12);
  --tag-green-fg:  #1c9f75;
  --tag-gold-bg:   rgba(251, 191, 36, 0.12);
  --tag-gold-fg:   #9a6b00;

  /* Fonts */
  --font-display: 'Barlow Condensed', system-ui, sans-serif;
  --font-sans:    'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', monospace;

  /* Geometry */
  --radius:        6px;
  --radius-lg:     14px;
  --radius-xl:     22px;
  --shadow:        0 12px 32px rgba(10, 10, 10, 0.08);
  --shadow-card:   0 8px 20px rgba(10, 10, 10, 0.06);
  --transition:    0.2s ease;
  --transition-md: 0.32s cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --container:    1260px;
  --gap:          clamp(1rem, 3vw, 2rem);
  --section-pad:  clamp(4rem, 8vw, 7rem);
}

/* ===========================
   Reset & Base
   =========================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

/* Noise texture overlay for depth reduction and eye comfort */
html::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.045;
  z-index: -1;
  background-image: 
    url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' seed='2' /%3E%3C/filter%3E%3Crect width='400' height='400' fill='%23000' filter='url(%23noise)' /%3E%3C/svg%3E");
  background-attachment: fixed;
}

body {
  background: var(--color-bg-gradient);
  background-attachment: fixed;
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  position: relative;
}

img, video { max-width: 100%; height: auto; display: block; }

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover {
  color: var(--color-accent-dark);
  text-shadow: 0 0 12px rgba(15, 90, 125, 0.3), 0 1px 2px rgba(255, 255, 255, 0.15);
}

a:focus-visible,
button:focus-visible,
.btn:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  box-shadow: 0 0 8px rgba(15, 90, 125, 0.3), inset 0 1px 2px rgba(255, 255, 255, 0.1);
}

ul { list-style: none; }

/* ===========================
   Typography
   =========================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-heading);
  line-height: 1.0;
  font-weight: 900;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}
h1 { font-size: clamp(3.5rem, 10vw, 8rem); font-weight: 900; }
h2 { font-size: clamp(2.4rem, 6vw, 5.5rem); }
h3 { font-size: clamp(1.4rem, 2.5vw, 2rem); }
h4 { font-size: 1.35rem; }

p { max-width: 70ch; }

code, pre {
  font-family: var(--font-mono);
  background: var(--color-surface-alt);
  border-radius: var(--radius);
}
code { padding: 0.15em 0.45em; font-size: 0.88em; }
pre  { padding: 1.25rem; overflow-x: auto; }
pre code { background: none; padding: 0; }

hr { border: none; border-top: 1px solid var(--color-border); margin: 2rem 0; }

blockquote {
  border-left: 3px solid var(--color-accent);
  padding: 1rem 1.5rem;
  background: var(--color-surface);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--color-text-muted);
  font-style: italic;
}

/* ===========================
   Layout
   =========================== */
.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

.section { padding: var(--section-pad) 0; }

/* ===========================
   Skip Link
   =========================== */
.skip-link {
  position: absolute; left: -9999px; top: auto; z-index: 9999;
  background: var(--color-accent); color: #ffffff;
  padding: 0.5rem 1rem; border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: 0 2px 8px rgba(15, 90, 125, 0.3);
  font-weight: 500;
}
.skip-link:focus { left: 1rem; }

/* ===========================
   Header
   =========================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--color-border);
}
.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  z-index: -1;
  pointer-events: none;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 1.4rem;
}

.site-logo,
.custom-logo-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  isolation: isolate;
  overflow: visible; /* allow outer aura bloom */
  border-radius: 8px;
  transition: box-shadow var(--transition-md), transform 0.45s cubic-bezier(0.22, 0.9, 0.3, 1);
}

/* Metallic sheen overlay — hidden at rest, revealed on hover */
.site-logo::before,
.custom-logo-link::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: 8px;
  overflow: hidden;
  background:
    linear-gradient(118deg,
      rgba(255, 255, 255, 0.0)  8%,
      rgba(255, 255, 255, 0.55) 28%,
      rgba(210, 228, 236, 0.38) 44%,
      rgba(0,  195, 222, 0.30)  58%,
      rgba(140, 200, 216, 0.18) 72%,
      rgba(255, 255, 255, 0.0)  90%);
  mix-blend-mode: screen;
  opacity: 0;                        /* invisible at rest */
  transition: opacity 0.4s ease;
  z-index: 2;
}
.site-logo:hover::before,
.custom-logo-link:hover::before {
  opacity: 0.68;                     /* reveal on hover */
}

/* Sweep trace band — dual-layer wide arc */
.site-logo::after,
.custom-logo-link::after {
  content: '';
  position: absolute;
  inset: -28% -55%;
  pointer-events: none;
  background: linear-gradient(102deg,
    transparent                   18%,
    rgba(15, 90, 125, 0.0)        30%,
    rgba(60, 140, 180, 0.18)      38%,
    rgba(100, 170, 200, 0.32)     44%,
    rgba(15,  90, 125, 0.85)      50%,
    rgba(30, 120, 155, 0.42)      56%,
    rgba(15,  90, 125, 0.0)       64%,
    transparent                   76%);
  transform: translateX(-165%);
  opacity: 0;
  filter: blur(0.6px);
  z-index: 3;
}

.site-logo img { height: 38px; width: auto; }
.custom-logo-link { display: inline-flex; align-items: center; text-decoration: none; }
.custom-logo-link .custom-logo { height: 38px; width: auto; }
.site-logo img,
.custom-logo-link .custom-logo {
  object-fit: contain;
  max-width: min(250px, 40vw);
  filter: brightness(0);
  mix-blend-mode: multiply; /* white bg becomes transparent */
  transition: filter 0.45s ease, transform 0.45s cubic-bezier(0.22, 0.9, 0.3, 1);
}

/* Hover container: outer aura bloom ring */
.site-logo:hover,
.custom-logo-link:hover {
  animation: none; /* keep static logo container */
  box-shadow: none;
  transform: translateY(-2px);
}

/* Hover image: jet black base + metallic edge catch + cyan energy glow */
.site-logo:hover img,
.custom-logo-link:hover .custom-logo {
  filter: drop-shadow(0 0 5px  rgba(15, 90, 125, 0.65))
          drop-shadow(0 0 14px rgba(15, 90, 125, 0.48))
          drop-shadow(0 0 36px rgba(15, 90, 125, 0.32));
  transform: translateY(-2px);
}

/* Hover sweep: ghost pre-trace then full arc */
.site-logo:hover::after,
.custom-logo-link:hover::after {
  opacity: 1;
  animation:
    logo-pre-trace  480ms cubic-bezier(0.14, 0.8, 0.28, 1) 0ms    1,
    logo-trace-sweep 1100ms cubic-bezier(0.18, 0.88, 0.22, 1) 420ms 1;
}

.site-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-heading);
  letter-spacing: -0.03em;
  white-space: nowrap;
}
.site-title span { color: var(--color-accent); }

.primary-nav ul {
  display: flex; gap: 0.1rem; align-items: center; padding: 0; margin: 0;
}
.primary-nav a {
  display: block;
  padding: 0.45rem 0.78rem;
  color: var(--color-text);
  font-size: 0.84rem;
  font-weight: 500;
  border-radius: var(--radius);
  transition: all var(--transition);
}
.primary-nav a:hover,
.primary-nav .current-menu-item > a {
  color: var(--color-heading);
  background: var(--color-accent-dim);
  text-decoration: none;
}

/* header CTA pill */
.primary-nav li:last-child a {
  background: var(--color-accent);
  color: #000;
  font-weight: 700;
  margin-left: 0.2rem;
  padding: 0.45rem 0.98rem;
}
.primary-nav li:last-child a:hover {
  background: #fff;
  color: #000;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  width: 40px; height: 40px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 1.1rem;
  align-items: center;
  justify-content: center;
  transition: border-color var(--transition), color var(--transition), background-color var(--transition);
}
.nav-toggle::before {
  content: '\2630';
  font-style: normal;
  transition: content 0s;
}
.nav-toggle[aria-expanded="true"]::before {
  content: '\2715';
}
.nav-toggle:hover {
  border-color: var(--color-border-light);
  background: var(--color-accent-dim);
  box-shadow: 0 0 0 2px rgba(15, 90, 125, 0.22), inset 0 1px 1px rgba(255, 255, 255, 0.1);
}

/* ===========================
   Buttons
   =========================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.9rem;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-md);
  white-space: nowrap;
  text-decoration: none;
  line-height: 1;
}
.btn-primary {
  background: var(--color-accent); color: #ffffff; border-color: var(--color-accent);
  box-shadow: 0 2px 6px rgba(15, 90, 125, 0.25), inset 0 1px 2px rgba(255, 255, 255, 0.15);
}
.btn-primary:hover {
  background: var(--color-accent-dark); border-color: var(--color-accent-dark); color: #fff;
  box-shadow: 0 2px 12px rgba(15, 90, 125, 0.35), inset 0 1px 2px rgba(255, 255, 255, 0.2), 0 0 24px var(--color-accent-glow);
  text-decoration: none;
}
.btn-outline {
  background: transparent; color: var(--color-text-bright); border-color: var(--color-border-light);
}
.btn-outline:hover {
  border-color: var(--color-accent); color: var(--color-accent); text-decoration: none;
  box-shadow: 0 0 0 2px rgba(15, 90, 125, 0.18), 0 0 18px rgba(15, 90, 125, 0.28), inset 0 1px 1px rgba(255, 255, 255, 0.1);
}
.btn-ghost {
  background: var(--color-surface-alt); color: var(--color-text-bright); border-color: var(--color-border);
}
.btn-ghost:hover {
  background: var(--color-accent-dim);
  border-color: rgba(15, 90, 125, 0.45);
  box-shadow: 0 0 16px rgba(15, 90, 125, 0.25), inset 0 1px 2px rgba(255, 255, 255, 0.1);
  text-decoration: none;
  color: var(--color-accent);
}

/* ===========================
   Hero
   =========================== */
.hero {
  position: relative;
  min-height: calc(100vh - 68px);
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: clamp(2rem, 4vw, 3.5rem) 0 var(--section-pad);
}

/* Gradient radial glow */
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 75% 65% at 65% 40%, rgba(15, 90, 125, 0.11) 0%, transparent 65%),
    radial-gradient(ellipse 40% 50% at 5%  90%, rgba(0, 163, 196, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

/* CSS grid dot pattern */
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0, 163, 196, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 163, 196, 0.07) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 85% 85% at 50% 50%, black 25%, transparent 68%);
}

.hero-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.hero-shell--single {
  grid-template-columns: 1fr;
}

.hero-content { position: relative; z-index: 1; max-width: 1100px; width: 100%; text-align: center; margin: 0 auto; }

.hero-media-stage {
  position: relative;
  z-index: 1;
}

.media-stack {
  display: grid;
  gap: 1rem;
}

.media-stack-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

/* ===========================
   Media Frames (real images)
   =========================== */
.media-frame {
  position: relative;
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  background: var(--color-surface-card);
}

.media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.55s cubic-bezier(0.22, 0.9, 0.3, 1);
}

.media-frame:hover img {
  transform: scale(1.04);
}

.media-frame--reactor {
  height: 340px;
}

.media-frame--lab,
.media-frame--materials {
  height: 170px;
}

.media-frame--facility {
  height: auto;
}

.media-frame--facility img {
  height: auto;
  object-fit: contain;
  object-position: center;
}

.media-frame--banner {
  height: 260px;
  width: 100%;
}

.media-frame--page-hero-aside {
  height: 100%;
  min-height: 380px;
}

/* ===========================
   Services page split hero
   =========================== */
.page-hero--split .page-hero-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}

.page-hero--split .page-hero-text {
  /* existing page-hero text styles still apply */
}

@media (max-width: 1100px) {
  .page-hero--split .page-hero-shell {
    grid-template-columns: 1fr;
  }
  .media-frame--page-hero-aside {
    min-height: 280px;
    height: 280px;
  }
}

.media-frame-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 1.75rem 1.25rem 1rem;
  background: linear-gradient(to top, rgba(5, 15, 25, 0.72) 0%, transparent 100%);
  pointer-events: none;
}

.media-frame-overlay--bottom {
  padding-bottom: 1.25rem;
}

.media-frame-kicker {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.82);
  background: rgba(15, 90, 125, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 999px;
  padding: 0.26rem 0.65rem;
  backdrop-filter: blur(4px);
}

/* Legacy placeholder styles kept for fallback */
.media-placeholder {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  margin: 0;
}

.media-placeholder-surface {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 240px;
  padding: 1.4rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.02)),
    radial-gradient(circle at top right, rgba(15, 90, 125, 0.22), transparent 46%),
    linear-gradient(135deg, #f6f8fb 0%, #e9eef3 100%);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.media-placeholder-surface::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(15, 90, 125, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 90, 125, 0.09) 1px, transparent 1px);
  background-size: 30px 30px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.18), rgba(0, 0, 0, 0.75));
}

.media-placeholder-surface::after {
  content: '';
  position: absolute;
  inset: 16px;
  border: 1px dashed rgba(15, 90, 125, 0.32);
  border-radius: calc(var(--radius-lg) - 6px);
  pointer-events: none;
}

.media-placeholder h3,
.media-placeholder p,
.media-placeholder-kicker,
.media-placeholder figcaption {
  position: relative;
  z-index: 1;
}

.media-placeholder-kicker {
  display: inline-flex;
  align-self: flex-start;
  margin-bottom: 0.65rem;
  padding: 0.28rem 0.65rem;
  border: 1px solid rgba(15, 90, 125, 0.18);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  background: rgba(255, 255, 255, 0.6);
}

.media-placeholder h3 {
  margin: 0 0 0.45rem;
  font-size: clamp(1rem, 2.1vw, 1.45rem);
  line-height: 1.05;
}

.media-placeholder p,
.media-placeholder figcaption {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.84rem;
  line-height: 1.65;
}

.media-placeholder figcaption {
  padding-inline: 0.2rem;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.media-placeholder--reactor .media-placeholder-surface {
  min-height: 340px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.02)),
    radial-gradient(circle at top right, rgba(15, 90, 125, 0.28), transparent 44%),
    linear-gradient(135deg, #f3f7fb 0%, #dde6ee 100%);
}

.media-placeholder--wide .media-placeholder-surface {
  min-height: 260px;
}

.media-placeholder--tall .media-placeholder-surface {
  min-height: 320px;
}

.media-placeholder--lab .media-placeholder-surface,
.media-placeholder--materials .media-placeholder-surface {
  min-height: 170px;
}

.media-placeholder--lab .media-placeholder-surface {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.03)),
    radial-gradient(circle at top left, rgba(15, 90, 125, 0.2), transparent 42%),
    linear-gradient(135deg, #f8fafc 0%, #e6edf2 100%);
}

.media-placeholder--materials .media-placeholder-surface {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02)),
    radial-gradient(circle at bottom right, rgba(15, 90, 125, 0.18), transparent 48%),
    linear-gradient(135deg, #f9f7f2 0%, #e8e4dd 100%);
}

.media-placeholder--facility .media-placeholder-surface,
.media-placeholder--manufacturing .media-placeholder-surface {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.02)),
    radial-gradient(circle at top right, rgba(15, 90, 125, 0.24), transparent 42%),
    linear-gradient(135deg, #f2f6f9 0%, #dfe7ec 100%);
}

/* ===========================
   Hero Logo
   =========================== */
.hero-logo {
  position: relative;
  display: block;
  margin: 0 auto 2.8rem;
  text-align: center;
  width: fit-content;
  isolation: isolate;
  overflow: visible;
}

/* Metallic sheen — hidden at rest, revealed on hover */
.hero-logo::before {
  content: '';
  position: absolute;
  inset: -4% -8%;
  pointer-events: none;
  border-radius: 12px;
  background:
    linear-gradient(118deg,
      rgba(255, 255, 255, 0.0)  8%,
      rgba(255, 255, 255, 0.55) 28%,
      rgba(210, 228, 236, 0.38) 44%,
      rgba(0,   195, 222, 0.30) 58%,
      rgba(140, 200, 216, 0.18) 72%,
      rgba(255, 255, 255, 0.0)  90%);
  mix-blend-mode: screen;
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 2;
}
.hero-logo:hover::before { opacity: 0.72; }

/* Sweep trace band */
.hero-logo::after {
  content: '';
  position: absolute;
  inset: -28% -55%;
  pointer-events: none;
  background: linear-gradient(102deg,
    transparent                18%,
    rgba(15, 90, 125, 0.0)    30%,
    rgba(80, 160, 200, 0.14)  38%,
    rgba(160, 210, 235, 0.28) 44%,
    rgba(15,  90, 125, 0.72)  50%,
    rgba(10,  70, 100, 0.36)  56%,
    rgba(15,  90, 125, 0.0)   64%,
    transparent                76%);
  transform: translateX(-165%);
  opacity: 0;
  filter: blur(0.6px);
  z-index: 3;
}
.hero-logo:hover::after {
  opacity: 1;
  animation:
    logo-pre-trace   480ms cubic-bezier(0.14, 0.8, 0.28, 1) 0ms    1,
    logo-trace-sweep 1100ms cubic-bezier(0.18, 0.88, 0.22, 1) 420ms 1;
}

/* Logo image — jet black on white, crisp */
.hero-logo img,
.hero-logo .custom-logo {
  display: block;
  height: clamp(95px, 16.3vw, 174px);
  width: auto;
  max-width: min(871px, 90vw);
  object-fit: contain;
  filter: brightness(0);
  mix-blend-mode: multiply; /* white bg becomes transparent */
  transition: filter 0.45s ease, transform 0.45s cubic-bezier(0.22, 0.9, 0.3, 1);
  position: relative;
  z-index: 1;
}

/* Hover: aura bloom + glow */
.hero-logo:hover {
  animation: none;
  box-shadow: none;
  transform: translateY(-2px);
}
.hero-logo:hover img,
.hero-logo:hover .custom-logo {
  filter: drop-shadow(0 0 6px  rgba(15, 90, 125, 0.55))
          drop-shadow(0 0 16px rgba(0, 163, 196, 0.42))
          drop-shadow(0 0 40px rgba(0, 120, 148, 0.28));
  transform: translateY(-2px);
}

/* Reduced-motion: freeze hero logo animations */
@media (prefers-reduced-motion: reduce) {
  .hero-logo {
    animation: none !important;
  }
  .hero-logo:hover,
  .hero-logo:hover img,
  .hero-logo:hover .custom-logo {
    transform: none !important;
    box-shadow: none !important;
  }
  .hero-logo:hover::after {
    animation: none !important;
  }
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.75rem;
  padding: 0.38rem 1rem;
  border: 1px solid rgba(0,200,255,0.28);
  border-radius: 100px;
  background: rgba(0,200,255,0.06);
}
.hero-eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
  animation: pulse 2s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.7); }
}

.hero h1 { color: var(--color-heading); margin-bottom: 1.5rem; }
.hero h1 .accent { color: var(--color-accent); }

.hero-lead {
  font-size: clamp(1rem, 1.8vw, 1.2rem);
  color: var(--color-text-muted);
  max-width: 680px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
  text-align: center;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; }

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--color-border);
}
.hero-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-text-muted);
}
.hero-badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

/* ===========================
   Quick Nav Cards
   =========================== */
.quick-nav {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 3rem 0;
}

.quick-nav-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.quick-nav-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  padding: 1.6rem;
  background: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition-md);
  overflow: hidden;
}

/* bottom accent bar */
.quick-nav-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-md);
}

.quick-nav-card:hover {
  border-color: rgba(0, 163, 196, 0.45);
  box-shadow: 0 10px 26px rgba(10, 10, 10, 0.08), 0 0 0 1px rgba(15, 90, 125, 0.24), 0 0 26px rgba(15, 90, 125, 0.2);
  transform: translateY(-4px);
  text-decoration: none;
}
.quick-nav-card:hover::after { transform: scaleX(1); }

.quick-nav-icon {
  width: 42px; height: 42px;
  border-radius: var(--radius);
  background: var(--color-accent-dim);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  color: var(--color-accent);
  flex-shrink: 0;
}

.quick-nav-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-heading);
  margin: 0;
}

.quick-nav-card p {
  font-size: 0.825rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin: 0;
}

.quick-nav-arrow {
  margin-top: auto;
  padding-top: 0.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  gap: 0.3rem;
  letter-spacing: 0.02em;
  transition: gap var(--transition);
}
.quick-nav-card:hover .quick-nav-arrow { gap: 0.6rem; }

/* ===========================
   Section Header
   =========================== */
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.section-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.7rem;
}

.page-hero .section-label {
  display: block;
  text-align: center;
}

.section-header h2 { margin-bottom: 0.5rem; }
.section-header p {
  color: var(--color-text-muted);
  font-size: 1rem;
  margin-top: 0.4rem;
  max-width: 480px;
}

/* ===========================
   Product Cards
   =========================== */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 1.5rem;
}

.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 1.75rem;
  background: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-md);
  overflow: hidden;
}

.product-card-formula {
  position: absolute;
  top: 1rem; right: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--color-text-muted);
  opacity: 0.45;
  letter-spacing: 0.04em;
}

.product-card:hover {
  border-color: rgba(0, 163, 196, 0.45);
  box-shadow: var(--shadow-card), 0 0 0 1px rgba(15, 90, 125, 0.2), 0 0 22px rgba(15, 90, 125, 0.16);
  transform: translateY(-3px);
}

.product-card h3 { font-size: 1.05rem; margin-bottom: 0.6rem; }

.product-card p {
  font-size: 0.855rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 1.25rem;
}

.product-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1.5rem; }

.tag {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.24rem 0.62rem;
  border-radius: 100px;
  letter-spacing: 0.05em;
  white-space: nowrap;
}
.tag-blue  { background: var(--tag-blue-bg);  color: var(--tag-blue-fg); }
.tag-green { background: var(--tag-green-bg); color: var(--tag-green-fg); }
.tag-gold  { background: var(--tag-gold-bg);  color: var(--tag-gold-fg); }

.product-link {
  font-size: 0.845rem;
  font-weight: 700;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: gap var(--transition);
}
.product-link:hover { gap: 0.62rem; text-decoration: none; }

/* ===========================
   Product Family & Subfamily
   =========================== */
.products-family-section {
  border-top: 1px solid var(--color-border);
}
.products-family-section--alt {
  background: var(--color-surface);
}
.products-family-heading {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 2px solid var(--color-border);
}
.products-family-heading h2 {
  margin: 0.3rem 0 0.7rem;
}
.products-family-intro {
  color: var(--color-text-muted);
  font-size: 1rem;
  max-width: 74ch;
}

.subfamily-block {
  margin-bottom: 2.75rem;
}
.subfamily-block:last-of-type {
  margin-bottom: 0.5rem;
}

.subfamily-heading {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.subfamily-heading-text {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  white-space: nowrap;
}
.subfamily-heading-line {
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

.family-footer-cta {
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  margin-top: 0.5rem;
}

.spec-table-link {
  color: var(--color-accent);
  font-weight: 600;
  text-decoration: none;
}
.spec-table-link:hover {
  text-decoration: underline;
}

/* ===========================
   About / Stats Section
   =========================== */
.about-section {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 7vw, 6rem);
  align-items: center;
}

.about-visual-column {
  display: grid;
  gap: 1.5rem;
}

.about-text h2 { margin-bottom: 1.25rem; }
.about-text h2 em { font-style: normal; color: var(--color-accent); }
.about-text p { color: var(--color-text-muted); font-size: 1rem; margin-bottom: 1rem; line-height: 1.8; }
.about-text .btn { margin-top: 1.25rem; }

/* ===========================
   Capability List
   =========================== */
.capability-list {
  display: flex;
  flex-direction: column;
}

.capability-item {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-border);
}
.capability-item:first-child { border-top: 1px solid var(--color-border); }

.capability-num {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.2vw, 2.5rem);
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: -0.04em;
  line-height: 1;
  min-width: 5rem;
  flex-shrink: 0;
}

.capability-body {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.capability-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-heading);
  line-height: 1.3;
}

.capability-detail {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.55;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.stat-card {
  padding: 1.75rem;
  background: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 0.45rem;
}
.stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.09em;
}

/* ===========================
   Industries Section
   =========================== */
.industry-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-bottom: 3rem;
}

.industry-pill {
  padding: 0.45rem 1rem;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--color-surface-alt);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.sector-media-band {
  margin-bottom: 3rem;
}

.industries-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.industry-card {
  display: block;
  padding: 2rem;
  background: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-md);
  color: inherit;
  text-decoration: none;
}
.industry-card:hover {
  border-color: rgba(0, 163, 196, 0.42);
  box-shadow: 0 0 24px rgba(15, 90, 125, 0.14);
  transform: translateY(-3px);
}
.industry-icon { font-size: 2rem; margin-bottom: 1rem; }
.industry-card h3 { font-size: 1rem; margin-bottom: 0.6rem; }
.industry-card p  { font-size: 0.845rem; color: var(--color-text-muted); line-height: 1.65; }

/* ===========================
   CTA Banner
   =========================== */
.cta-banner {
  position: relative;
  padding: var(--section-pad) 0;
  text-align: center;
  overflow: hidden;
}
.cta-banner-surface {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}
.cta-banner::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 50%, rgba(15, 90, 125, 0.12) 0%, transparent 68%);
  pointer-events: none;
}
.cta-banner > .container { position: relative; }
.cta-banner h2 { margin-bottom: 1rem; }
.cta-banner p  { color: var(--color-text-muted); font-size: 1.05rem; margin: 0 auto 2.5rem; max-width: 520px; }
.btn-group { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* ===========================
   Generic Cards
   =========================== */
.card {
  padding: 1.75rem;
  background: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-md);
}
.card:hover { border-color: rgba(0,200,255,0.2); }
.card:hover {
  border-color: rgba(0, 163, 196, 0.4);
  box-shadow: 0 0 24px rgba(15, 90, 125, 0.12);
}
.card-icon { font-size: 2rem; margin-bottom: 1rem; display: block; }
.card h3 { margin-bottom: 0.5rem; }
.card p { color: var(--color-text-muted); font-size: 0.9rem; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }

/* ===========================
   Footer
   =========================== */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 4.5rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.6fr;
  gap: 2.35rem;
  padding-bottom: 3rem;
}

.footer-brand .site-title { display: block; font-size: 1.35rem; margin-bottom: 0.85rem; }
.footer-brand .site-logo,
.footer-brand .custom-logo-link { margin-bottom: 0.85rem; }
.footer-brand .site-logo img,
.footer-brand .custom-logo-link .custom-logo { height: 42px; width: auto; }
.footer-brand p {
  color: var(--color-text-muted);
  font-size: 0.84rem;
  line-height: 1.7;
  margin-bottom: 1.25rem;
  max-width: 340px;
}

.footer-certs { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.footer-cert {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.3rem 0.75rem;
  border-radius: 100px;
  background: var(--color-surface-alt);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.footer-col h4 {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.45rem; }
.footer-col a {
  font-size: 0.84rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--color-text-bright); text-decoration: none; }

.footer-contact-item {
  display: flex;
  gap: 0.75rem;
  font-size: 0.84rem;
  color: var(--color-text-muted);
  align-items: flex-start;
  line-height: 1.5;
  margin-bottom: 0.62rem;
}
.footer-contact-icon { color: var(--color-accent); font-size: 1rem; flex-shrink: 0; margin-top: 0.1rem; }

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 1.25rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.8rem;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}
.footer-bottom a { color: var(--color-text-muted); }
.footer-bottom a:hover { color: var(--color-accent); }
.footer-legal { display: flex; gap: 1.15rem; flex-wrap: wrap; }

/* ===========================
   Posts Grid (blog)
   =========================== */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}
.post-card {
  background: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-md);
  display: flex; flex-direction: column;
}
.post-card:hover { border-color: rgba(0,200,255,0.2); transform: translateY(-2px); }
.post-card-thumb img { width: 100%; height: 200px; object-fit: cover; }
.post-card-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.post-meta { font-size: 0.78rem; color: var(--color-text-muted); margin-bottom: 0.55rem; }
.post-card-body h2 { font-size: 1.1rem; margin-bottom: 0.55rem; }
.post-card-body h2 a { color: var(--color-heading); }
.post-card-body h2 a:hover { color: var(--color-accent); text-decoration: none; }
.post-card-body p { font-size: 0.85rem; color: var(--color-text-muted); flex: 1; }
.post-card-footer { margin-top: 1.2rem; }

/* ===========================
   Single / Page Content
   =========================== */
.entry-content { max-width: 72ch; }
.entry-content > * + * { margin-top: 1.25em; }
.entry-content h2, .entry-content h3 { margin-top: 2em; }
.entry-content a { text-decoration: underline; }
.entry-content ul, .entry-content ol { padding-left: 1.5rem; list-style: revert; }

.content-wrap { display: grid; grid-template-columns: 1fr; gap: 3rem; }
.has-sidebar .content-wrap { grid-template-columns: 1fr 280px; }

/* ===========================
   Sidebar Widgets
   =========================== */
.widget { margin-bottom: 2rem; }
.widget-title {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
}

/* ===========================
   Forms
   =========================== */
.form-group { margin-bottom: 1.25rem; }
label { display: block; font-size: 0.875rem; font-weight: 500; margin-bottom: 0.4rem; }
input[type="text"],
input[type="email"],
input[type="url"],
input[type="search"],
textarea,
select {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  padding: 0.65rem 0.9rem;
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(15, 90, 125, 0.2), 0 0 24px rgba(15, 90, 125, 0.2);
}
textarea { min-height: 140px; resize: vertical; }

/* ===========================
   Pagination
   =========================== */
.pagination {
  display: flex; gap: 0.5rem; justify-content: center; margin-top: 3rem; flex-wrap: wrap;
}
.pagination a, .pagination span {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 40px; height: 40px; padding-inline: 0.75rem;
  border-radius: var(--radius); border: 1px solid var(--color-border);
  font-size: 0.88rem; color: var(--color-text); text-decoration: none;
  transition: all var(--transition);
}
.pagination a:hover, .pagination .current {
  background: var(--color-accent); border-color: var(--color-accent); color: #000; text-decoration: none;
}

/* ===========================
   404
   =========================== */
.not-found {
  min-height: 60vh; display: flex; align-items: center; justify-content: center;
  text-align: center; flex-direction: column; gap: 1.5rem; padding-block: 4rem;
}
.not-found .error-code {
  font-size: clamp(6rem, 20vw, 12rem);
  font-weight: 900; line-height: 1;
  color: var(--color-surface-alt); letter-spacing: -0.04em;
}

/* ===========================
   Responsive
   =========================== */
@media (max-width: 1100px) {
  .quick-nav-grid  { grid-template-columns: repeat(2, 1fr); }
  .about-grid      { grid-template-columns: 1fr; }
  .footer-grid     { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .industries-grid { grid-template-columns: 1fr; }
  .products-grid   { grid-template-columns: 1fr 1fr; }
  .quick-nav-grid  { grid-template-columns: 1fr 1fr; }
  .about-stats     { grid-template-columns: 1fr 1fr; }
  .grid-3          { grid-template-columns: 1fr; }
  .section-header  { flex-direction: column; align-items: flex-start; }
  .has-sidebar .content-wrap { grid-template-columns: 1fr; }

  .header-inner { height: 66px; }

  .primary-nav {
    display: none;
    position: fixed;
    inset: 66px 0 0;
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid var(--color-border);
    padding: 1.5rem;
    overflow-y: auto;
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
  }
  .primary-nav.is-open { display: block; }
  .primary-nav ul  { flex-direction: column; gap: 0; }
  .primary-nav a   { padding: 0.9rem 0.5rem; border-radius: 0; border-bottom: 1px solid var(--color-border); background: none !important; }
  .primary-nav li:last-child a { background: var(--color-accent) !important; color: #000; border-radius: var(--radius); margin-top: 0.75rem; }
  .nav-toggle      { display: flex; }

  .site-logo img,
  .custom-logo-link .custom-logo { height: 33px; max-width: 58vw; }
}

@media (max-width: 480px) {
  .products-grid   { grid-template-columns: 1fr; }
  .quick-nav-grid  { grid-template-columns: 1fr; }
  .footer-grid     { grid-template-columns: 1fr; }
  .about-stats     { grid-template-columns: 1fr; }
  .hero-actions    { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  .header-inner { height: 62px; }

  .site-logo img,
  .custom-logo-link .custom-logo { height: 30px; max-width: 62vw; }

  .primary-nav { inset: 62px 0 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ===========================
   Page Hero (inner pages)
   =========================== */
.page-hero {
  padding: clamp(3.5rem, 7vw, 6rem) 0 clamp(2.5rem, 5vw, 4rem);
  border-bottom: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 100% at 70% 50%, rgba(15,90,125,0.07) 0%, transparent 65%);
  pointer-events: none;
}
.page-hero .container { position: relative; }
.page-hero h1 { margin: 0.5rem 0 1.25rem; }
.page-hero-lead {
  font-size: clamp(1rem, 1.7vw, 1.15rem);
  color: var(--color-text-muted);
  max-width: 640px;
  line-height: 1.8;
}

/* Shared inner-page structure */
.inner-proof-strip {
  border-bottom: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-surface) 82%, white 18%);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding: 1rem 0;
}

.proof-item {
  padding: 0.65rem 0.85rem;
  border-left: 2px solid var(--color-accent);
  background: color-mix(in srgb, var(--color-surface-card) 78%, white 22%);
}

.proof-k {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.5vw, 1.7rem);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  line-height: 1;
}

.proof-l {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

.inner-context-strip {
  border-bottom: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-surface) 76%, white 24%);
}

.context-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  padding: 0.9rem 0;
}

.context-pill {
  display: inline-flex;
  align-items: center;
  padding: 0.36rem 0.8rem;
  border: 1px solid var(--color-border-light);
  border-radius: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  background: color-mix(in srgb, var(--color-accent-dim) 55%, white 45%);
}

.stat-callout {
  width: 100%;
  padding: 1.25rem 1.35rem;
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
  background: var(--color-surface-card);
}

.stat-callout-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-bottom: 0.75rem;
}

.stat-callout ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.stat-callout li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.84rem;
  color: var(--color-text-muted);
}

.stat-callout li:last-child {
  border-bottom: 0;
}

.products-compare-section {
  border-top: 1px solid var(--color-border);
}

.spec-table-wrap {
  border: 1px solid var(--color-border);
  overflow-x: auto;
  background: var(--color-surface-card);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}

.spec-table th,
.spec-table td {
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  font-size: 0.82rem;
  line-height: 1.55;
}

.spec-table th {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.68rem;
  color: var(--color-accent-dark);
  background: color-mix(in srgb, var(--color-accent-dim) 44%, white 56%);
}

.service-panel-section,
.market-cases-section,
.contact-assurance-section {
  border-top: 1px solid var(--color-border);
}

.editorial-split {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.editorial-pane {
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
  padding: 1.2rem 1.3rem;
  background: var(--color-surface-card);
}

.editorial-pane h3 {
  margin-bottom: 0.7rem;
  font-size: 0.95rem;
}

.editorial-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.editorial-list li {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.72;
  padding: 0.35rem 0;
  border-bottom: 1px dashed var(--color-border);
}

.editorial-list li:last-child {
  border-bottom: 0;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.case-tile {
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-accent);
  padding: 1rem 1.1rem;
  background: var(--color-surface-card);
}

.case-tile h3 {
  margin-bottom: 0.45rem;
  font-size: 0.92rem;
}

.case-tile p {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.68;
  color: var(--color-text-muted);
}

/* ===========================
   Contact Page
   =========================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 0.75fr;
  gap: clamp(3rem, 6vw, 5rem);
  align-items: start;
}

.contact-col-heading {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  margin-bottom: 1.75rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.prochem-form .btn { margin-top: 0.5rem; }

.form-success {
  background: rgba(52,211,153,0.1);
  border: 1px solid rgba(52,211,153,0.3);
  color: #34d399;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 1.75rem;
}

.form-error {
  background: rgba(220, 38, 38, 0.08);
  border: 1px solid rgba(220, 38, 38, 0.28);
  color: #991b1b;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 1.75rem;
}

.form-error-inline {
  background: rgba(220, 38, 38, 0.08);
  border: 1px solid rgba(220, 38, 38, 0.28);
  color: #991b1b;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 1.75rem;
}

.req { color: var(--color-accent); }

.contact-detail-block {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--color-border);
}
.contact-detail-block:first-of-type { border-top: 1px solid var(--color-border); }
.contact-detail-icon { font-size: 1.25rem; flex-shrink: 0; margin-top: 0.1rem; }
.contact-detail-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.3rem;
}
.contact-detail-value {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}
.contact-detail-value a { color: var(--color-text-muted); }
.contact-detail-value a:hover { color: var(--color-accent); }

.contact-note {
  margin-top: 2rem;
  padding: 1.25rem;
  background: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}
.contact-note strong {
  display: block;
  color: var(--color-heading);
  font-size: 0.84rem;
  margin-bottom: 0.45rem;
}
.contact-note p { max-width: none; margin: 0; }

/* ===========================
   About Page
   =========================== */
.about-page-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 5rem);
  align-items: center;
}
.about-page-grid h2 { margin-bottom: 1.25rem; }
.about-page-grid p  { color: var(--color-text-muted); line-height: 1.8; margin-bottom: 1rem; }

.about-page-image-block {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  gap: 1rem;
}

.about-story-media {
  height: 260px;
}

.section-media-band {
  margin-top: -1rem;
  margin-bottom: 2rem;
}
.about-page-image-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}
.about-page-image-placeholder span { font-size: 3rem; }

.about-capabilities-section { background: var(--color-surface); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.capability-card {
  padding: 2rem;
  background: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: border-color var(--transition-md), transform var(--transition-md);
  color: inherit;
  text-decoration: none;
}
.capability-card:hover { border-color: rgba(0,200,255,0.22); transform: translateY(-3px); }
.capability-card:hover {
  border-color: rgba(0, 163, 196, 0.45);
  box-shadow: 0 0 24px rgba(15, 90, 125, 0.16);
  transform: translateY(-3px);
}
.capability-card-icon { font-size: 2rem; }
.capability-card h3 { font-size: 1rem; margin: 0; }
.capability-card p  { font-size: 0.845rem; color: var(--color-text-muted); line-height: 1.65; flex: 1; margin: 0; }

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

/* ===========================
   Services Page
   =========================== */
.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.process-step {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--color-border);
}
.process-step:first-child { border-top: 1px solid var(--color-border); }
.process-step-num {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw, 2.5rem);
  font-weight: 800;
  color: var(--color-accent);
  opacity: 0.35;
  letter-spacing: -0.04em;
  line-height: 1;
  min-width: 3.5rem;
  flex-shrink: 0;
}
.process-step-body h3 { font-size: 1.05rem; margin-bottom: 0.5rem; }
.process-step-body p  { font-size: 0.875rem; color: var(--color-text-muted); line-height: 1.75; margin: 0; }

/* ===========================
   Products Page
   =========================== */
.products-filter-bar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0;
}
.filter-pills { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.filter-pill {
  padding: 0.38rem 0.95rem;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--color-surface-card);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition);
}
.filter-pill:hover { box-shadow: 0 0 16px rgba(15, 90, 125, 0.28); }
.filter-pill:hover { border-color: var(--color-accent); color: var(--color-accent); }
.filter-pill-active {
  background: var(--color-accent-dim);
  border-color: var(--color-accent);
  color: var(--color-accent-dark);
  box-shadow: 0 0 20px rgba(15, 90, 125, 0.25), inset 0 1px 2px rgba(255, 255, 255, 0.2);
}

/* ===========================
   Markets Page
   =========================== */
.markets-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.market-card {
  padding: 1.75rem;
  background: var(--color-surface-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  transition: border-color var(--transition-md), transform var(--transition-md);
  color: inherit;
  text-decoration: none;
}
.market-card:hover {
  border-color: rgba(15, 90, 125, 0.55);
  box-shadow: 0 0 24px rgba(15, 90, 125, 0.22), inset 0 1px 3px rgba(255, 255, 255, 0.15);
  transform: translateY(-3px);
}
.market-card-icon { font-size: 1.75rem; flex-shrink: 0; margin-top: 0.1rem; }
.market-card-body h3 { font-size: 0.95rem; margin-bottom: 0.5rem; }
.market-card-body p  { font-size: 0.835rem; color: var(--color-text-muted); line-height: 1.65; margin-bottom: 0.85rem; }

/* ===========================
   Toxic Glow Motion
   =========================== */
@keyframes toxic-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(15, 90, 125, 0.0);
  }
  45% {
    box-shadow: 0 0 0 3px rgba(15, 90, 125, 0.22), 0 0 30px rgba(15, 90, 125, 0.28), inset 0 1px 2px rgba(255, 255, 255, 0.1);
  }
  100% {
    box-shadow: 0 0 0 1px rgba(15, 90, 125, 0.16), 0 0 12px rgba(15, 90, 125, 0.2);
  }
}

@keyframes toxic-breathe {
  0%, 100% {
    box-shadow: 0 0 10px rgba(15, 90, 125, 0.18), inset 0 1px 1px rgba(255, 255, 255, 0.1);
  }
  50% {
    box-shadow: 0 0 22px rgba(15, 90, 125, 0.32), inset 0 1px 2px rgba(255, 255, 255, 0.15);
  }
}

@keyframes logo-idle-pulse {
  0%,  100% { box-shadow: 0 0 0 0 rgba(15, 90, 125, 0.0),  0 0 0   rgba(15, 90, 125, 0.0); }
  45%        { box-shadow: 0 0 0 1px rgba(15, 90, 125, 0.18), 0 0 22px rgba(15, 90, 125, 0.14), inset 0 1px 1px rgba(255, 255, 255, 0.08); }
  52%        { box-shadow: 0 0 0 1px rgba(15, 90, 125, 0.22), 0 0 32px rgba(15, 90, 125, 0.18), inset 0 1px 2px rgba(255, 255, 255, 0.12); }
  58%        { box-shadow: 0 0 0 1px rgba(15, 90, 125, 0.18), 0 0 22px rgba(15, 90, 125, 0.14), inset 0 1px 1px rgba(255, 255, 255, 0.08); }
}

@keyframes logo-pre-trace {
  0%   { transform: translateX(-165%); opacity: 0.4; filter: blur(1.2px);  }
  100% { transform: translateX(-110%); opacity: 0.0; filter: blur(0.4px);  }
}

@keyframes logo-trace-sweep {
  0%   { transform: translateX(-165%); }
  100% { transform: translateX(165%);  }
}

.btn-primary:hover,
.btn-outline:hover,
.btn-ghost:hover,
.quick-nav-card:hover,
.product-card:hover,
.capability-card:hover,
.industry-card:hover,
.market-card:hover {
  animation: toxic-pulse 1.2s ease-out 1;
}

.filter-pill-active {
  animation: toxic-breathe 2.2s ease-in-out infinite;
}

.product-link:hover {
  text-shadow: 0 0 10px rgba(15, 90, 125, 0.35), 0 1px 2px rgba(255, 255, 255, 0.3);
}

/* ===========================
   Inner Page Responsive
   =========================== */
@media (max-width: 1100px) {
  .hero-shell { grid-template-columns: 1fr; }
}

@media (max-width: 1100px) {
  .capabilities-grid { grid-template-columns: repeat(2, 1fr); }
  .values-grid       { grid-template-columns: repeat(2, 1fr); }
  .markets-grid      { grid-template-columns: repeat(2, 1fr); }
  .proof-grid        { grid-template-columns: 1fr; }
  .editorial-split   { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .media-stack-row   { grid-template-columns: 1fr; }
  .contact-grid      { grid-template-columns: 1fr; }
  .about-page-grid   { grid-template-columns: 1fr; }
  .capabilities-grid { grid-template-columns: 1fr; }
  .markets-grid      { grid-template-columns: 1fr; }
  .form-row          { grid-template-columns: 1fr; }
  .case-grid         { grid-template-columns: 1fr; }
  .media-placeholder--reactor .media-placeholder-surface,
  .media-placeholder--wide .media-placeholder-surface,
  .media-placeholder--tall .media-placeholder-surface { min-height: 240px; }
}

@media (max-width: 480px) {
  .values-grid { grid-template-columns: 1fr; }
  .process-step { gap: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  .btn-primary:hover,
  .btn-outline:hover,
  .btn-ghost:hover,
  .quick-nav-card:hover,
  .product-card:hover,
  .capability-card:hover,
  .industry-card:hover,
  .market-card:hover,
  .filter-pill-active {
    animation: none !important;
  }

  .site-logo:hover::after,
  .custom-logo-link:hover::after {
    animation: none !important;
  }

  .site-logo,
  .custom-logo-link {
    animation: none !important;
  }
  .site-logo:hover,
  .custom-logo-link:hover,
  .site-logo:hover img,
  .custom-logo-link:hover .custom-logo {
    transform: none !important;
    box-shadow: none !important;
  }
}

/* ===========================
   Option 2 — Chemical Formula as Architecture
   =========================== */

/* --- Molecular SVG watermark layer --- */
.mol-bg {
  position: absolute;
  pointer-events: none;
  user-select: none;
  opacity: 0.055;
  z-index: 0;
}
.mol-bg--hero {
  right: -4%;
  top: 50%;
  transform: translateY(-50%);
  width: clamp(320px, 52vw, 780px);
}
.mol-bg--section-left {
  left: -6%;
  top: 50%;
  transform: translateY(-50%);
  width: clamp(220px, 36vw, 560px);
}
.mol-bg--section-right {
  right: -4%;
  bottom: 0;
  width: clamp(180px, 28vw, 440px);
}

/* Ensure sections using mol-bg have position:relative */
.quick-nav,
.section {
  position: relative;
  overflow: hidden;
}

/* --- Hero: bigger, compressed heading --- */
.hero-content .hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  padding: 0.35rem 0.9rem;
  border-radius: 0;                /* sharp corners — editorial */
}

.hero-content h1 {
  margin-top: 1.2rem;
  letter-spacing: -0.02em;
  line-height: 0.92;
}

.hero-content h1 .accent {
  /* Outlined / ghost text treatment */
  -webkit-text-stroke: 2px var(--color-accent);
  color: transparent;
  display: inline;
}

/* --- CAS number accent --- */
.cas-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--color-accent);
  text-transform: uppercase;
  padding: 0.1rem 0;
  margin: 0 auto 0.75rem;
  line-height: 1.4;
  text-align: center;
  width: fit-content;
  text-shadow: 0 1px 3px rgba(15, 90, 125, 0.15), 0 0 4px rgba(255, 255, 255, 0.1);
  transition: text-shadow 0.3s ease;
}
.cas-label:hover {
  text-shadow: 0 2px 4px rgba(15, 90, 125, 0.25), 0 0 6px rgba(255, 255, 255, 0.15);
}

/* --- Section headings: oversized with rule --- */
.section-title-editorial {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}
.section-title-editorial h2 {
  line-height: 0.9;
  position: relative;
}
.section-title-editorial h2::after {
  content: '';
  display: block;
  width: 3.5rem;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent) 70%, rgba(15, 90, 125, 0.5));
  margin-top: 0.65rem;
  box-shadow: 0 2px 4px rgba(15, 90, 125, 0.2), 0 0 6px rgba(255, 255, 255, 0.1);
}
.section-title-editorial .section-sub {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin-top: 0.8rem;
}

/* --- Product / card labels styled as formula tags --- */
.formula-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  background: var(--color-accent-dim);
  border: 1px solid rgba(0, 163, 196, 0.3);
  padding: 0.2rem 0.55rem;
  border-radius: 0;
}

/* --- Page hero: editorial oversized title --- */
.page-hero h1 {
  font-size: clamp(3.5rem, 10vw, 8rem);
  font-weight: 900;
  line-height: 0.9;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  position: relative;
  z-index: 1;
}
.page-hero h1 .outline-word {
  -webkit-text-stroke: 2px var(--color-accent);
  color: transparent;
  filter: drop-shadow(0 2px 4px rgba(15, 90, 125, 0.25)) drop-shadow(0 0 8px rgba(255, 255, 255, 0.15));
  transition: filter 0.3s ease;
}
.page-hero h1 .outline-word:hover {
  filter: drop-shadow(0 2px 6px rgba(15, 90, 125, 0.4)) drop-shadow(0 0 12px rgba(255, 255, 255, 0.25));
}
.page-hero p {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  max-width: 58ch;
  position: relative;
  z-index: 1;
}

/* --- Quick nav cards: sharp editorial --- */
.quick-nav-card {
  border-radius: 0;
  border-top: 3px solid var(--color-border);
  border-right: none;
  border-bottom: none;
  border-left: none;
  background: transparent;
  padding: 1.6rem 0;
}
.quick-nav-card:hover {
  border-top-color: var(--color-accent);
  background: transparent;
  transform: none;
  box-shadow: none;
}
.quick-nav-card h3 {
  text-transform: uppercase;
  font-size: clamp(1.2rem, 2vw, 1.7rem);
  line-height: 1;
  letter-spacing: -0.01em;
}
.quick-nav-card .quick-nav-icon {
  display: none; /* remove emoji icons — editorial uses text only */
}
.quick-nav-card .quick-nav-arrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
  margin-top: auto;
}

/* --- Divider rule --- */
.rule-editorial {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 0;
}

/* --- Buttons: sharper corners --- */
.btn {
  border-radius: 0;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.8rem;
}

/* Reduced motion safety */
@media (prefers-reduced-motion: reduce) {
  .mol-bg { display: none; }
}