/* Hydros Environmental Systems — style.css */
/* ============================================================
   HYDROS DESIGN SYSTEM
   ============================================================ */
:root {
  --navy:       #0D3B5E;
  --navy-deep:  #081F33;
  --navy-mid:   #1A4D73;
  --teal:       #1D9E75;
  --teal-light: #5BC4B0;
  --teal-pale:  #E6F5F1;
  --steel:      #2B5278;
  --amber:      #E8A020;
  --amber-pale: #FEF3DC;
  --white:      #FFFFFF;
  --off-white:  #F7F6F2;
  --gray-1:     #F0EFEB;
  --gray-2:     #D6D5CF;
  --gray-3:     #9B9A94;
  --gray-4:     #6B6A65;
  --charcoal:   #2C2C2A;
  --text:       #1E1E1C;
  --font-display: 'Sora', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --font-mono:    'DM Mono', monospace;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --shadow-sm:  0 1px 3px rgba(13,59,94,0.08), 0 1px 2px rgba(13,59,94,0.05);
  --shadow-md:  0 4px 16px rgba(13,59,94,0.12), 0 2px 6px rgba(13,59,94,0.06);
  --shadow-lg:  0 12px 40px rgba(13,59,94,0.16), 0 4px 12px rgba(13,59,94,0.08);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  overflow-x: hidden;
  line-height: 1.6;
}

/* ============================================================
   UTILITY
   ============================================================ */
.container { max-width: 1140px; margin: 0 auto; padding: 0 28px; }
.sr-only { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0,0,0,0); }

/* ============================================================
   NAV
   ============================================================ */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(8, 31, 51, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(91,196,176,0.15);
  transition: var(--transition);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px; max-width: 1140px; margin: 0 auto; padding: 0 28px;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none;
}
.logo-svg { width: 36px; height: 36px; }
.logo-text { font-family: var(--font-display); font-size: 18px; font-weight: 700; color: var(--white); letter-spacing: -0.3px; }
.logo-text span { color: var(--teal-light); }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-link {
  font-size: 13.5px; font-weight: 500; color: rgba(255,255,255,0.75);
  text-decoration: none; padding: 7px 14px; border-radius: var(--radius-sm);
  transition: var(--transition); letter-spacing: 0.01em;
}
.nav-link:hover { color: var(--white); background: rgba(255,255,255,0.08); }
.nav-cta {
  font-family: var(--font-display); font-size: 13px; font-weight: 600;
  color: var(--navy-deep); background: var(--teal-light);
  text-decoration: none; padding: 9px 20px; border-radius: 100px;
  transition: var(--transition); letter-spacing: 0.01em;
}
.nav-cta:hover { background: var(--white); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(91,196,176,0.4); }
.nav-mobile-btn { display: none; background: none; border: none; cursor: pointer; color: var(--white); }

/* ============================================================
   HERO
   ============================================================ */
#hero {
  position: relative; overflow: hidden;
  background: var(--navy-deep);
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 120px 0 80px;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 40%, rgba(29,158,117,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 10% 80%, rgba(43,82,120,0.3) 0%, transparent 60%);
}
/* Animated water-like lines */
.hero-lines {
  position: absolute; inset: 0; z-index: 0; overflow: hidden;
  opacity: 0.07;
}
.hero-lines svg { width: 100%; height: 100%; }
.hero-content { position: relative; z-index: 1; }
.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 7px;
  background: rgba(91,196,176,0.12); border: 1px solid rgba(91,196,176,0.3);
  color: var(--teal-light); font-size: 12px; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; padding: 6px 14px; border-radius: 100px;
  margin-bottom: 24px;
}
.hero-badge::before {
  content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--teal-light);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.7); }
}

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 58px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 22px;
}
.hero-headline .accent { color: var(--teal-light); display: block; }

.hero-sub {
  font-size: 17px; font-weight: 300; color: rgba(255,255,255,0.68);
  line-height: 1.65; max-width: 440px; margin-bottom: 40px;
}

.hero-cta-row { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-contact-line {
  display: flex; align-items: center; gap: 9px; margin-top: 18px; flex-wrap: wrap;
}
.hero-contact-icon { font-size: 14px; color: var(--teal-light); opacity: 0.8; }
.hero-contact-text { font-size: 13px; color: rgba(255,255,255,0.45); }
.hero-contact-email {
  font-size: 13px; font-weight: 500; color: var(--teal-light);
  text-decoration: none; border-bottom: 1px solid rgba(91,196,176,0.3);
  transition: var(--transition);
}
.hero-contact-email:hover { color: var(--white); border-color: var(--white); }
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display); font-size: 14px; font-weight: 600;
  color: var(--navy-deep); background: var(--teal-light);
  text-decoration: none; padding: 14px 28px; border-radius: 100px;
  transition: var(--transition); letter-spacing: 0.01em;
  border: none; cursor: pointer;
}
.btn-primary:hover { background: var(--white); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(91,196,176,0.35); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display); font-size: 14px; font-weight: 600;
  color: var(--white); background: transparent;
  text-decoration: none; padding: 14px 28px; border-radius: 100px;
  border: 1.5px solid rgba(255,255,255,0.25); transition: var(--transition);
}
.btn-secondary:hover { border-color: rgba(255,255,255,0.6); background: rgba(255,255,255,0.07); }

.hero-stats {
  display: flex; gap: 32px; margin-top: 52px; padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.stat-item {}
.stat-num {
  font-family: var(--font-display); font-size: 28px; font-weight: 700;
  color: var(--teal-light); letter-spacing: -0.5px; display: block;
}
.stat-label { font-size: 12px; color: rgba(255,255,255,0.5); letter-spacing: 0.04em; }

/* Hero visual — diagram */
.hero-diagram {
  position: relative;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(91,196,176,0.2);
  border-radius: var(--radius-xl);
  padding: 36px;
  backdrop-filter: blur(8px);
}
.diagram-flow { display: flex; flex-direction: column; gap: 16px; }
.flow-node {
  display: flex; align-items: center; gap: 16px;
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md); padding: 16px 20px;
  opacity: 0; transform: translateX(20px);
  animation: slideIn 0.5s ease forwards;
}
.flow-node:nth-child(1) { animation-delay: 0.3s; }
.flow-node:nth-child(2) { animation-delay: 0.5s; border-color: rgba(91,196,176,0.35); background: rgba(29,158,117,0.1); }
.flow-node:nth-child(3) { animation-delay: 0.7s; }
.flow-node:nth-child(4) { animation-delay: 0.9s; border-color: rgba(232,160,32,0.35); background: rgba(232,160,32,0.08); }
@keyframes slideIn {
  to { opacity: 1; transform: translateX(0); }
}
.flow-icon {
  width: 42px; height: 42px; border-radius: 10px; display: flex;
  align-items: center; justify-content: center; flex-shrink: 0;
  font-size: 20px; background: rgba(255,255,255,0.07);
}
.flow-node:nth-child(2) .flow-icon { background: rgba(29,158,117,0.2); }
.flow-node:nth-child(4) .flow-icon { background: rgba(232,160,32,0.15); }
.flow-text-wrap {}
.flow-title { font-family: var(--font-display); font-size: 13px; font-weight: 600; color: var(--white); }
.flow-desc { font-size: 12px; color: rgba(255,255,255,0.5); margin-top: 2px; }
.flow-arrow { text-align: center; color: var(--teal-light); font-size: 20px; opacity: 0.6; margin: -4px 0; }

.diagram-label {
  position: absolute; top: -14px; left: 24px;
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  color: var(--teal-light); background: var(--navy-deep);
  padding: 3px 10px; border-radius: 100px;
  border: 1px solid rgba(91,196,176,0.3);
  letter-spacing: 0.08em;
}

/* ============================================================
   VALUE STRIP
   ============================================================ */
#value-strip {
  background: var(--teal);
  padding: 20px 0;
}
.strip-inner {
  display: flex; align-items: center; justify-content: center;
  gap: 0; flex-wrap: wrap;
}
.strip-item {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 28px; color: var(--white);
}
.strip-item:not(:last-child) { border-right: 1px solid rgba(255,255,255,0.25); }
.strip-icon { font-size: 18px; }
.strip-text { font-family: var(--font-display); font-size: 13px; font-weight: 600; letter-spacing: 0.01em; }

/* ============================================================
   SECTIONS SHARED
   ============================================================ */
section { padding: 96px 0; }
.section-eyebrow {
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  color: var(--teal); letter-spacing: 0.12em; text-transform: uppercase;
  margin-bottom: 14px;
}
.section-title {
  font-family: var(--font-display); font-size: clamp(28px, 4vw, 42px);
  font-weight: 700; color: var(--navy); line-height: 1.15;
  letter-spacing: -0.8px; margin-bottom: 18px;
}
.section-sub {
  font-size: 17px; font-weight: 300; color: var(--gray-4);
  line-height: 1.65; max-width: 560px;
}
.section-title .teal { color: var(--teal); }

/* ============================================================
   AUDIENCE SPLIT (Homepage)
   ============================================================ */
#audience {
  background: var(--off-white); padding: 80px 0;
}
.audience-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 56px; }
.audience-card {
  border-radius: var(--radius-lg); overflow: hidden;
  border: 1.5px solid transparent;
  transition: var(--transition);
  cursor: pointer; text-decoration: none; display: block;
}
.audience-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.audience-card.hauler {
  background: var(--navy); border-color: rgba(91,196,176,0.2);
}
.audience-card.client {
  background: var(--white); border-color: rgba(13,59,94,0.12);
}
.aud-header {
  padding: 36px 36px 24px;
  display: flex; align-items: flex-start; justify-content: space-between;
}
.aud-tag {
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase; padding: 5px 12px;
  border-radius: 100px;
}
.hauler .aud-tag { background: rgba(91,196,176,0.15); color: var(--teal-light); }
.client .aud-tag { background: var(--teal-pale); color: var(--teal); }
.aud-arrow { font-size: 22px; }
.hauler .aud-arrow { color: rgba(255,255,255,0.4); }
.client .aud-arrow { color: var(--gray-2); }
.aud-body { padding: 0 36px 36px; }
.aud-title {
  font-family: var(--font-display); font-size: 26px; font-weight: 700;
  line-height: 1.2; letter-spacing: -0.4px; margin-bottom: 12px;
}
.hauler .aud-title { color: var(--white); }
.client .aud-title { color: var(--navy); }
.aud-desc { font-size: 15px; line-height: 1.6; margin-bottom: 24px; }
.hauler .aud-desc { color: rgba(255,255,255,0.62); }
.client .aud-desc { color: var(--gray-4); }
.aud-bullets { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 32px; }
.aud-bullets li {
  display: flex; align-items: center; gap: 10px; font-size: 14px;
}
.hauler .aud-bullets li { color: rgba(255,255,255,0.8); }
.client .aud-bullets li { color: var(--charcoal); }
.bullet-check {
  width: 20px; height: 20px; border-radius: 50%; display: flex;
  align-items: center; justify-content: center; font-size: 11px; flex-shrink: 0;
}
.hauler .bullet-check { background: rgba(91,196,176,0.2); color: var(--teal-light); }
.client .bullet-check { background: var(--teal-pale); color: var(--teal); }
.aud-btn {
  display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-display);
  font-size: 14px; font-weight: 600; padding: 12px 24px; border-radius: 100px; transition: var(--transition);
}
.hauler .aud-btn { background: var(--teal-light); color: var(--navy-deep); }
.hauler .aud-btn:hover { background: var(--white); }
.client .aud-btn { background: var(--navy); color: var(--white); }
.client .aud-btn:hover { background: var(--teal); }

/* ============================================================
   HOW IT WORKS
   ============================================================ */
#how-it-works { background: var(--white); }
.how-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; margin-top: 60px; }
.how-grid--single { grid-template-columns: 1fr; max-width: 680px; }

/* IOGABot evidence block inside How It Works */
.ioabot-evidence {
  margin-top: 72px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--gray-1);
  box-shadow: var(--shadow-lg);
  position: relative;
}
.ioabot-evidence-header {
  background: var(--navy-deep); padding: 28px 36px;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 14px;
}
.ioabot-evidence-title {
  font-family: var(--font-display); font-size: 16px; font-weight: 700;
  color: var(--white); letter-spacing: -0.2px;
}
.ioabot-evidence-title span { color: var(--teal-light); }
.ioabot-evidence-sub { font-size: 13px; color: rgba(255,255,255,0.5); margin-top: 3px; }
.ioabot-evidence-badge {
  display: inline-flex; align-items: center; gap: 7px;
  background: rgba(29,158,117,0.15); border: 1px solid rgba(91,196,176,0.3);
  color: var(--teal-light); font-family: var(--font-mono); font-size: 10px;
  font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 6px 14px; border-radius: 100px; white-space: nowrap;
}
.ioabot-evidence img {
  width: 100%; display: block;
  max-height: 520px; object-fit: cover; object-position: center top;
}
.ioabot-evidence-footer {
  background: var(--off-white); padding: 18px 36px;
  display: flex; align-items: center; gap: 12px;
  border-top: 1px solid var(--gray-1);
}
.ioabot-evidence-footer-icon { font-size: 18px; }
.ioabot-evidence-footer-text {
  font-size: 13px; color: var(--gray-4); font-style: italic; line-height: 1.5;
}
.ioabot-evidence-footer-text strong { color: var(--navy); font-style: normal; }
.steps { display: flex; flex-direction: column; gap: 0; }
.step {
  display: flex; gap: 20px; padding: 28px 0;
  border-bottom: 1px solid var(--gray-1);
  cursor: pointer; transition: var(--transition);
}
.step:last-child { border-bottom: none; }
.step:hover { padding-left: 6px; }
.step-num {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 13px; font-weight: 700;
  flex-shrink: 0; margin-top: 2px; transition: var(--transition);
  background: var(--gray-1); color: var(--gray-3);
}
.step.active .step-num { background: var(--teal); color: var(--white); }
.step-content {}
.step-title {
  font-family: var(--font-display); font-size: 15px; font-weight: 600;
  color: var(--navy); margin-bottom: 6px;
}
.step.active .step-title { color: var(--teal); }
.step-desc { font-size: 14px; color: var(--gray-4); line-height: 1.6; }

.how-visual {
  position: sticky; top: 100px;
  background: var(--navy); border-radius: var(--radius-xl);
  padding: 36px; overflow: hidden;
}
.how-visual::before {
  content: ''; position: absolute; top: -40px; right: -40px;
  width: 200px; height: 200px; border-radius: 50%;
  background: radial-gradient(circle, rgba(29,158,117,0.15) 0%, transparent 70%);
}
.visual-label {
  font-family: var(--font-mono); font-size: 11px; color: var(--teal-light);
  letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 24px; opacity: 0.8;
}
.visual-metric {
  text-align: center; padding: 28px 0; border-bottom: 1px solid rgba(255,255,255,0.08);
}
.visual-metric:last-child { border-bottom: none; }
.metric-number {
  font-family: var(--font-display); font-size: 44px; font-weight: 700;
  color: var(--teal-light); letter-spacing: -2px; line-height: 1;
}
.metric-label { font-size: 13px; color: rgba(255,255,255,0.5); margin-top: 6px; }

/* ============================================================
   FOR HAULERS PAGE SECTION
   ============================================================ */
#for-haulers { background: var(--navy-deep); color: var(--white); }
.hauler-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; margin-bottom: 80px; }
.hauler-intro .section-title { color: var(--white); }
.hauler-intro .section-sub { color: rgba(255,255,255,0.6); }

.revenue-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.rev-card {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg); padding: 28px;
  transition: var(--transition);
}
.rev-card:hover { background: rgba(255,255,255,0.08); border-color: rgba(91,196,176,0.3); transform: translateY(-3px); }
.rev-num {
  font-family: var(--font-mono); font-size: 12px; font-weight: 500;
  color: var(--teal-light); letter-spacing: 0.1em; margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
}
.rev-num::before {
  content: '0' attr(data-n); display: inline-block;
  width: 22px; height: 22px; background: rgba(91,196,176,0.15); border-radius: 50%;
  text-align: center; line-height: 22px; font-size: 11px;
}
.rev-title { font-family: var(--font-display); font-size: 17px; font-weight: 700; color: var(--white); margin-bottom: 10px; }
.rev-amount { font-family: var(--font-display); font-size: 28px; font-weight: 700; color: var(--teal-light); letter-spacing: -0.5px; margin-bottom: 8px; line-height: 1.2; }
.rev-desc { font-size: 13px; color: rgba(255,255,255,0.5); line-height: 1.55; }

.before-after {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 64px;
}
.ba-col {
  border-radius: var(--radius-lg); padding: 32px;
}
.ba-col.before { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); }
.ba-col.after { background: rgba(29,158,117,0.12); border: 1px solid rgba(29,158,117,0.25); }
.ba-label {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 20px; font-weight: 500;
}
.before .ba-label { color: rgba(255,255,255,0.4); }
.after .ba-label { color: var(--teal-light); }
.ba-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.ba-list li {
  display: flex; align-items: center; gap: 10px; font-size: 14px;
}
.before .ba-list li { color: rgba(255,255,255,0.55); }
.after .ba-list li { color: rgba(255,255,255,0.88); }
.ba-icon { font-size: 16px; width: 20px; }

/* ============================================================
   FOR CLIENTS SECTION
   ============================================================ */
#for-clients { background: var(--off-white); }
.client-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.comparison-table {
  background: var(--white); border-radius: var(--radius-lg);
  border: 1px solid var(--gray-1); overflow: hidden;
  box-shadow: var(--shadow-md);
}
.ct-header {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr;
  background: var(--navy); padding: 16px 24px; gap: 16px;
}
.ct-header span {
  font-family: var(--font-display); font-size: 13px; font-weight: 600;
  color: rgba(255,255,255,0.7);
}
.ct-header span:last-child { color: var(--teal-light); }
.ct-row {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr;
  padding: 14px 24px; gap: 16px; align-items: center;
  border-bottom: 1px solid var(--gray-1);
  transition: var(--transition);
}
.ct-row:last-child { border-bottom: none; }
.ct-row:hover { background: var(--teal-pale); }
.ct-label { font-size: 14px; color: var(--charcoal); font-weight: 500; }
.ct-before { font-size: 13px; color: var(--gray-3); }
.ct-after {
  font-size: 13px; font-weight: 600; color: var(--teal);
  display: flex; align-items: center; gap: 6px;
}
.ct-after::before { content: '✓'; font-size: 11px; }

.roi-calculator {
  background: var(--white); border-radius: var(--radius-lg);
  padding: 32px; box-shadow: var(--shadow-md); border: 1px solid var(--gray-1);
}
.roi-title {
  font-family: var(--font-display); font-size: 20px; font-weight: 700;
  color: var(--navy); margin-bottom: 6px;
}
.roi-sub { font-size: 14px; color: var(--gray-3); margin-bottom: 28px; }
.roi-field { margin-bottom: 18px; }
.roi-field label {
  display: block; font-size: 12px; font-weight: 600; color: var(--gray-4);
  letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 8px;
}
.roi-field input, .roi-field select {
  width: 100%; padding: 12px 16px; border: 1.5px solid var(--gray-2);
  border-radius: var(--radius-sm); font-family: var(--font-body); font-size: 15px;
  color: var(--text); transition: var(--transition); background: var(--white);
  outline: none;
}
.roi-field input:focus, .roi-field select:focus {
  border-color: var(--teal); box-shadow: 0 0 0 3px rgba(29,158,117,0.12);
}
.roi-result {
  background: var(--navy); border-radius: var(--radius-md); padding: 24px;
  margin-top: 24px; display: none;
}
.roi-result.show { display: block; }
.roi-savings-label { font-size: 12px; color: rgba(255,255,255,0.5); letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 6px; }
.roi-savings-num {
  font-family: var(--font-display); font-size: 38px; font-weight: 700;
  color: var(--teal-light); letter-spacing: -1px;
}
.roi-savings-mo { font-size: 15px; color: rgba(255,255,255,0.5); margin-top: 2px; }
.roi-payback { font-size: 13px; color: rgba(255,255,255,0.6); margin-top: 12px; padding-top: 12px; border-top: 1px solid rgba(255,255,255,0.1); }
.roi-calc-btn {
  width: 100%; padding: 14px; background: var(--teal); color: var(--white);
  border: none; border-radius: var(--radius-md); font-family: var(--font-display);
  font-size: 15px; font-weight: 600; cursor: pointer; transition: var(--transition);
  margin-top: 6px;
}
.roi-calc-btn:hover { background: var(--navy); }

/* ============================================================
   TECHNOLOGY
   ============================================================ */
#technology { background: var(--white); }
.tech-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 56px; }
.tech-card {
  border-radius: var(--radius-lg); padding: 36px; position: relative; overflow: hidden;
  transition: var(--transition); border: 1px solid var(--gray-1);
}
.tech-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.tech-card::before {
  content: ''; position: absolute; top: -60px; right: -60px;
  width: 160px; height: 160px; border-radius: 50%; opacity: 0.08;
  transition: var(--transition);
}
.tech-card:hover::before { transform: scale(1.3); opacity: 0.13; }
.tech-card.plasma::before { background: var(--teal); }
.tech-card.bio::before { background: var(--amber); }
.tech-card.monitor::before { background: var(--navy); }
.tech-icon {
  width: 52px; height: 52px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center; font-size: 24px;
  margin-bottom: 22px;
}
.plasma .tech-icon { background: var(--teal-pale); }
.bio .tech-icon { background: var(--amber-pale); }
.monitor .tech-icon { background: rgba(13,59,94,0.07); }
.tech-title { font-family: var(--font-display); font-size: 18px; font-weight: 700; color: var(--navy); margin-bottom: 12px; }
.tech-desc { font-size: 14px; color: var(--gray-4); line-height: 1.65; }
.tech-tag {
  display: inline-block; margin-top: 16px; font-size: 11px; font-weight: 600;
  padding: 4px 10px; border-radius: 100px; letter-spacing: 0.06em; text-transform: uppercase;
}
.plasma .tech-tag { background: var(--teal-pale); color: var(--teal); }
.bio .tech-tag { background: var(--amber-pale); color: var(--amber); }
.monitor .tech-tag { background: rgba(13,59,94,0.08); color: var(--navy); }

/* ============================================================
   PERFORMANCE EVIDENCE
   ============================================================ */
#evidence { background: var(--off-white); }
.evidence-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; margin-top: 56px; }
.ev-card {
  background: var(--white); border-radius: var(--radius-lg);
  border: 1px solid var(--gray-1); padding: 28px; transition: var(--transition);
}
.ev-card:hover { box-shadow: var(--shadow-md); }
.ev-location {
  font-family: var(--font-mono); font-size: 11px; color: var(--gray-3);
  letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 14px;
  display: flex; align-items: center; gap: 6px;
}
.ev-location::before { content: '📍'; font-size: 13px; }
.ev-metric {
  font-family: var(--font-display); font-size: 36px; font-weight: 700;
  color: var(--teal); letter-spacing: -1px; margin-bottom: 4px;
}
.ev-label { font-size: 13px; color: var(--gray-4); margin-bottom: 16px; }
.ev-note { font-size: 13px; color: var(--gray-3); line-height: 1.55; font-style: italic; }

/* ============================================================
   PARTNER CTA SECTION
   ============================================================ */
#partner-cta {
  background: var(--navy-deep); padding: 100px 0; text-align: center; overflow: hidden; position: relative;
}
#partner-cta::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 50%, rgba(29,158,117,0.12) 0%, transparent 65%);
}
.cta-inner { position: relative; z-index: 1; }
.cta-badge {
  display: inline-block; background: rgba(91,196,176,0.12); border: 1px solid rgba(91,196,176,0.3);
  color: var(--teal-light); font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase; padding: 6px 16px; border-radius: 100px; margin-bottom: 28px;
}
.cta-headline {
  font-family: var(--font-display); font-size: clamp(32px, 5vw, 52px); font-weight: 700;
  color: var(--white); letter-spacing: -1.2px; line-height: 1.12; margin-bottom: 20px; max-width: 700px; margin-left: auto; margin-right: auto;
}
.cta-sub { font-size: 17px; color: rgba(255,255,255,0.55); max-width: 520px; margin: 0 auto 44px; line-height: 1.6; }
.cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-contact { margin-top: 36px; font-size: 14px; color: rgba(255,255,255,0.4); }
.cta-contact a { color: var(--teal-light); text-decoration: none; }
.cta-contact a:hover { text-decoration: underline; }

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  background: var(--charcoal); color: rgba(255,255,255,0.5);
  padding: 60px 0 32px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand {}
.footer-logo {
  display: flex; align-items: center; gap: 10px; margin-bottom: 16px;
}
.footer-logo-text { font-family: var(--font-display); font-size: 17px; font-weight: 700; color: var(--white); }
.footer-logo-text span { color: var(--teal-light); }
.footer-tagline { font-size: 13px; line-height: 1.6; color: rgba(255,255,255,0.4); max-width: 260px; }
.footer-col-title { font-family: var(--font-display); font-size: 13px; font-weight: 600; color: rgba(255,255,255,0.7); margin-bottom: 16px; letter-spacing: 0.02em; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.footer-links a { font-size: 13px; color: rgba(255,255,255,0.4); text-decoration: none; transition: var(--transition); }
.footer-links a:hover { color: var(--teal-light); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 12px;
}
.footer-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(91,196,176,0.1); border: 1px solid rgba(91,196,176,0.2);
  color: var(--teal-light); font-size: 12px; font-weight: 500;
  padding: 5px 12px; border-radius: 100px;
}

/* ============================================================
   MOBILE NAV MENU
   ============================================================ */
.mobile-menu {
  display: none; position: fixed; inset: 0; z-index: 200;
  background: var(--navy-deep); padding: 88px 28px 40px;
  flex-direction: column; gap: 8px;
}
.mobile-menu.open { display: flex; }
.mobile-nav-link {
  font-family: var(--font-display); font-size: 22px; font-weight: 600;
  color: rgba(255,255,255,0.7); text-decoration: none; padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.07); transition: var(--transition);
}
.mobile-nav-link:hover { color: var(--teal-light); }
.mobile-close {
  position: absolute; top: 20px; right: 24px; background: none; border: none;
  color: var(--white); font-size: 28px; cursor: pointer;
}

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.fade-up {
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up.delay-1 { transition-delay: 0.1s; }
.fade-up.delay-2 { transition-delay: 0.2s; }
.fade-up.delay-3 { transition-delay: 0.3s; }
.fade-up.delay-4 { transition-delay: 0.4s; }

/* ============================================================
   CERTIFIED BADGE STRIP
   ============================================================ */
.badge-strip {
  display: flex; gap: 20px; margin-top: 48px; flex-wrap: wrap;
}
.cert-badge {
  display: flex; align-items: center; gap: 9px;
  background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.12);
  border-radius: 100px; padding: 8px 16px;
}
.cert-badge-icon { font-size: 16px; }
.cert-badge-text { font-size: 12px; font-weight: 500; color: rgba(255,255,255,0.7); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-mobile-btn { display: block; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-diagram { display: none; }
  .audience-grid { grid-template-columns: 1fr; }
  .how-grid { grid-template-columns: 1fr; }
  .how-visual { position: static; }
  .hauler-intro { grid-template-columns: 1fr; gap: 40px; }
  .revenue-cards { grid-template-columns: 1fr; }
  .before-after { grid-template-columns: 1fr; }
  .client-grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: 1fr; }
  .evidence-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .strip-inner { flex-direction: column; gap: 0; }
  .strip-item { border-right: none !important; border-bottom: 1px solid rgba(255,255,255,0.2); width: 100%; justify-content: center; }
  .strip-item:last-child { border-bottom: none; }
  .hero-stats { flex-direction: column; gap: 16px; }
}
@media (max-width: 540px) {
  section { padding: 64px 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-btns { flex-direction: column; align-items: center; }
}

/* ============================================================
   ODOR CONTROL PAGE — SCOPED TO #odor-control
   All colors remapped to Hydros Brand Palette
   ============================================================ */
#odor-control {
  --oc-navy:       var(--navy-deep);
  --oc-navy-mid:   var(--navy);
  --oc-navy-card:  #0C2A42;
  --oc-accent:     var(--teal);
  --oc-accent-lt:  var(--teal-light);
  --oc-accent-dim: rgba(29,158,117,0.14);
  --oc-accent-glow:rgba(29,158,117,0.06);
  --oc-border:     rgba(91,196,176,0.22);
  --oc-card-border:rgba(255,255,255,0.07);
  --oc-muted:      rgba(255,255,255,0.52);
  background: var(--oc-navy);
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
}

/* ── Section wrapper ── */
#odor-control .oc-section { padding: 96px 0; }
#odor-control .oc-section--dark  { background: var(--oc-navy); }
#odor-control .oc-section--mid   { background: var(--navy); }
#odor-control .oc-section--grad  { background: linear-gradient(180deg, var(--oc-navy) 0%, var(--navy) 50%, var(--oc-navy) 100%); }

/* ── Hero ── */
#odor-control .oc-hero {
  min-height: 100vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center;
  padding: 140px 24px 80px; position: relative; overflow: hidden;
  background: var(--oc-navy);
}
#odor-control .oc-hero::after {
  content: '';
  position: absolute; top: 10%; left: 50%; transform: translateX(-50%);
  width: 700px; height: 500px;
  background: radial-gradient(ellipse, rgba(29,158,117,0.1) 0%, transparent 65%);
  pointer-events: none;
}
#odor-control .oc-hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(91,196,176,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91,196,176,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 30%, transparent 80%);
}
#odor-control .oc-eyebrow-row {
  display: inline-flex; align-items: center; gap: 12px;
  margin-bottom: 28px; position: relative; z-index: 2;
}
#odor-control .oc-eyebrow-line { width: 30px; height: 1px; background: var(--teal-light); }
#odor-control .oc-eyebrow-text {
  font-family: var(--font-mono); font-size: 10px; font-weight: 500;
  letter-spacing: 0.22em; color: var(--teal-light); text-transform: uppercase;
}
#odor-control .oc-hero-title {
  font-family: var(--font-display); font-size: clamp(38px, 5.5vw, 70px);
  font-weight: 700; line-height: 1.1; max-width: 820px;
  margin-bottom: 12px; position: relative; z-index: 2; letter-spacing: -1.5px;
  color: var(--white);
}
#odor-control .oc-hero-title em { font-style: normal; color: var(--teal-light); }
#odor-control .oc-hero-bar {
  width: 48px; height: 2px;
  background: linear-gradient(90deg, transparent, var(--teal-light), transparent);
  margin: 0 auto 32px; position: relative; z-index: 2;
}
#odor-control .oc-hero-sub {
  font-size: 16px; font-weight: 300; color: var(--oc-muted);
  max-width: 520px; margin: 0 auto 48px; position: relative; z-index: 2; line-height: 1.7;
}
#odor-control .oc-stats-row {
  display: flex; gap: 0; position: relative; z-index: 2;
  border: 1px solid var(--oc-border); border-radius: var(--radius-md);
  overflow: hidden; backdrop-filter: blur(8px);
  background: rgba(13,59,94,0.5);
}
#odor-control .oc-stat {
  padding: 22px 36px; text-align: center;
  border-right: 1px solid var(--oc-border);
}
#odor-control .oc-stat:last-child { border-right: none; }
#odor-control .oc-stat-num {
  font-family: var(--font-display); font-size: 30px; font-weight: 700;
  color: var(--teal-light); display: block; line-height: 1; margin-bottom: 5px;
}
#odor-control .oc-stat-label {
  font-size: 10px; font-weight: 400; color: var(--oc-muted);
  letter-spacing: 0.1em; text-transform: uppercase; font-family: var(--font-mono);
}

/* ── Eyebrow / titles inside section ── */
#odor-control .oc-sec-eyebrow {
  display: flex; align-items: center; gap: 10px; margin-bottom: 14px;
}
#odor-control .oc-sec-dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--teal);
}
#odor-control .oc-sec-label {
  font-family: var(--font-mono); font-size: 10px; font-weight: 500;
  color: var(--teal); letter-spacing: 0.2em; text-transform: uppercase;
}
#odor-control .oc-title {
  font-family: var(--font-display); font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 700; line-height: 1.15; margin-bottom: 16px;
  color: var(--white); letter-spacing: -0.6px;
}
#odor-control .oc-title em { font-style: normal; color: var(--teal-light); }
#odor-control .oc-intro { font-size: 15px; color: var(--oc-muted); max-width: 560px; line-height: 1.75; }

/* ── Problem grid ── */
#odor-control .oc-problem-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 2px; margin-top: 56px;
  background: var(--oc-border);
  border: 1px solid var(--oc-border); border-radius: var(--radius-lg); overflow: hidden;
}
#odor-control .oc-cell {
  background: var(--oc-navy-card); padding: 36px 32px;
  position: relative; transition: background 0.3s;
}
#odor-control .oc-cell:hover { background: rgba(12,42,66,0.95); }
#odor-control .oc-cell::before {
  content: attr(data-num); position: absolute; top: 20px; right: 24px;
  font-family: var(--font-display); font-size: 56px; font-weight: 700;
  color: rgba(91,196,176,0.06); line-height: 1; pointer-events: none;
}
#odor-control .oc-cell-icon {
  width: 40px; height: 40px; border: 1px solid var(--oc-border);
  border-radius: var(--radius-sm); display: flex; align-items: center;
  justify-content: center; margin-bottom: 18px;
}
#odor-control .oc-cell-icon svg { width: 20px; height: 20px; stroke: var(--teal-light); fill: none; stroke-width: 1.5; }
#odor-control .oc-cell h3 {
  font-family: var(--font-display); font-size: 17px; font-weight: 600;
  margin-bottom: 9px; color: var(--white);
}
#odor-control .oc-cell p { font-size: 13.5px; color: var(--oc-muted); line-height: 1.7; }

/* ── Quote block ── */
#odor-control .oc-quote-wrap {
  padding: 72px 0; background: var(--navy);
  border-top: 1px solid var(--oc-border); border-bottom: 1px solid var(--oc-border);
}
#odor-control .oc-quote-inner {
  max-width: 800px; margin: 0 auto; text-align: center; padding: 0 40px;
}
#odor-control .oc-quote-mark {
  font-family: var(--font-display); font-size: 90px; line-height: 0.5;
  color: rgba(91,196,176,0.12); display: block; margin-bottom: 22px;
}
#odor-control .oc-quote-text {
  font-family: var(--font-display); font-size: clamp(18px, 2.5vw, 26px);
  font-style: italic; font-weight: 400; line-height: 1.55;
  color: var(--white); margin-bottom: 24px;
}
#odor-control .oc-quote-attr {
  font-family: var(--font-mono); font-size: 11px; color: var(--oc-muted);
  letter-spacing: 0.16em; text-transform: uppercase;
  display: flex; align-items: center; justify-content: center; gap: 12px;
}
#odor-control .oc-quote-attr::before,
#odor-control .oc-quote-attr::after {
  content: ''; width: 24px; height: 1px; background: var(--teal); display: inline-block;
}

/* ── Solution layout ── */
#odor-control .oc-solution-layout {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 72px; align-items: start; margin-top: 56px;
}
#odor-control .oc-steps { display: flex; flex-direction: column; gap: 0; }
#odor-control .oc-step {
  display: flex; gap: 20px; padding: 24px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: all 0.25s;
}
#odor-control .oc-step:last-child { border-bottom: none; }
#odor-control .oc-step:hover .oc-step-num { color: var(--teal-light); border-color: var(--teal); }
#odor-control .oc-step:hover .oc-step-title { color: var(--teal-light); }
#odor-control .oc-step-num {
  font-family: var(--font-mono); font-size: 11px; color: var(--oc-muted);
  width: 28px; height: 28px; border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-sm); display: flex; align-items: center;
  justify-content: center; flex-shrink: 0; margin-top: 2px; transition: all 0.25s;
}
#odor-control .oc-step-title { font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--white); transition: color 0.25s; }
#odor-control .oc-step-desc { font-size: 13px; color: var(--oc-muted); line-height: 1.65; }

/* ── Benefits panel ── */
#odor-control .oc-benefits {
  background: var(--oc-navy-card); border: 1px solid var(--oc-card-border);
  border-radius: var(--radius-lg); overflow: hidden; position: relative;
}
#odor-control .oc-benefits::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--teal), var(--teal-light), var(--teal));
}
#odor-control .oc-benefits-header {
  padding: 26px 28px 18px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
#odor-control .oc-benefits-header h3 {
  font-family: var(--font-display); font-size: 19px; font-weight: 700; color: var(--white);
}
#odor-control .oc-benefits-header p { font-size: 12px; color: var(--oc-muted); margin-top: 3px; }
#odor-control .oc-benefit-item {
  display: flex; align-items: center; gap: 13px;
  padding: 13px 28px; border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: background 0.2s;
}
#odor-control .oc-benefit-item:last-child { border-bottom: none; }
#odor-control .oc-benefit-item:hover { background: rgba(29,158,117,0.05); }
#odor-control .oc-benefit-check {
  width: 20px; height: 20px; flex-shrink: 0;
  background: var(--oc-accent-dim); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
#odor-control .oc-benefit-check svg { width: 10px; height: 10px; stroke: var(--teal-light); fill: none; stroke-width: 2.5; }
#odor-control .oc-benefit-item span { font-size: 13px; color: rgba(255,255,255,0.82); }
#odor-control .oc-stat-pair {
  display: grid; grid-template-columns: 1fr 1fr;
  border-top: 1px solid rgba(255,255,255,0.06);
}
#odor-control .oc-stat-cell {
  padding: 18px 20px; text-align: center;
  border-right: 1px solid rgba(255,255,255,0.06);
}
#odor-control .oc-stat-cell:last-child { border-right: none; }
#odor-control .oc-stat-big {
  font-family: var(--font-display); font-size: 24px; font-weight: 700;
  color: var(--teal-light); display: block; line-height: 1; margin-bottom: 4px;
}
#odor-control .oc-stat-small { font-size: 10px; color: var(--oc-muted); letter-spacing: 0.08em; text-transform: uppercase; }

/* ── Who We Serve cards ── */
#odor-control .oc-serve-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 16px; margin-top: 56px;
}
#odor-control .oc-serve-card {
  background: var(--oc-navy-card); border: 1px solid var(--oc-card-border);
  border-radius: var(--radius-lg); padding: 30px 26px;
  position: relative; overflow: hidden; transition: border-color 0.3s, transform 0.3s;
}
#odor-control .oc-serve-card:hover { border-color: var(--oc-border); transform: translateY(-4px); }
#odor-control .oc-serve-card::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--teal), transparent);
  opacity: 0; transition: opacity 0.3s;
}
#odor-control .oc-serve-card:hover::after { opacity: 1; }
#odor-control .oc-serve-icon {
  width: 46px; height: 46px; margin-bottom: 18px;
  border: 1px solid var(--oc-border); border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
}
#odor-control .oc-serve-icon svg { width: 22px; height: 22px; stroke: var(--teal-light); fill: none; stroke-width: 1.5; }
#odor-control .oc-serve-card h3 {
  font-family: var(--font-display); font-size: 16px; font-weight: 700;
  margin-bottom: 9px; color: var(--white);
}
#odor-control .oc-serve-card p { font-size: 13px; color: var(--oc-muted); line-height: 1.65; margin-bottom: 18px; }
#odor-control .oc-tag-list { display: flex; flex-wrap: wrap; gap: 6px; }
#odor-control .oc-tag {
  font-size: 10px; padding: 4px 10px;
  border: 1px solid var(--oc-border); border-radius: 100px;
  color: var(--teal-light); letter-spacing: 0.06em; font-family: var(--font-mono);
}

/* ── Strategic value ── */
#odor-control .oc-strategic-layout {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 72px; align-items: center; margin-top: 56px;
}
#odor-control .oc-strat-list { display: flex; flex-direction: column; gap: 16px; }
#odor-control .oc-strat-item {
  display: flex; gap: 18px; align-items: flex-start;
  padding: 22px; background: var(--oc-navy-card);
  border: 1px solid var(--oc-card-border); border-radius: var(--radius-md);
  transition: border-color 0.25s;
}
#odor-control .oc-strat-item:hover { border-color: var(--oc-border); }
#odor-control .oc-strat-num {
  font-family: var(--font-display); font-size: 24px; font-weight: 700;
  color: var(--teal); opacity: 0.7; flex-shrink: 0; width: 28px; line-height: 1; margin-top: 2px;
}
#odor-control .oc-strat-item h4 { font-size: 14px; font-weight: 600; margin-bottom: 5px; color: var(--white); }
#odor-control .oc-strat-item p { font-size: 12.5px; color: var(--oc-muted); line-height: 1.65; }

/* ── Strategic highlight box ── */
#odor-control .oc-highlight {
  background: var(--oc-navy-card); border: 1px solid var(--oc-border);
  border-radius: var(--radius-lg); overflow: hidden;
}
#odor-control .oc-highlight-top {
  padding: 30px; border-bottom: 1px solid var(--oc-border);
  background: linear-gradient(135deg, var(--navy), var(--oc-navy-card));
}
#odor-control .oc-highlight-top .oc-hl-label {
  font-family: var(--font-mono); font-size: 10px; color: var(--teal-light);
  letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 10px; font-weight: 500;
}
#odor-control .oc-highlight-top .oc-hl-head {
  font-family: var(--font-display); font-size: 20px; font-weight: 700; color: var(--white); line-height: 1.3;
}
#odor-control .oc-highlight-top .oc-hl-body {
  font-size: 13px; color: var(--oc-muted); margin-top: 10px; line-height: 1.65;
}
#odor-control .oc-hl-metrics { display: grid; grid-template-columns: 1fr 1fr; }
#odor-control .oc-hl-metric {
  padding: 22px; border-right: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06); text-align: center;
}
#odor-control .oc-hl-metric:nth-child(2),
#odor-control .oc-hl-metric:nth-child(4) { border-right: none; }
#odor-control .oc-hl-metric:nth-child(3),
#odor-control .oc-hl-metric:nth-child(4) { border-bottom: none; }
#odor-control .oc-hl-num {
  font-family: var(--font-display); font-size: 24px; font-weight: 700;
  color: var(--teal-light); display: block; line-height: 1; margin-bottom: 5px;
}
#odor-control .oc-hl-lbl { font-size: 11px; color: var(--oc-muted); line-height: 1.4; }

/* ── Odor Control CTA ── */
#odor-control .oc-cta-wrap {
  padding: 96px 0; text-align: center;
  background: var(--navy-deep); position: relative; overflow: hidden;
}
#odor-control .oc-cta-wrap::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 100%, rgba(29,158,117,0.09), transparent);
}
#odor-control .oc-cta-wrap .oc-cta-title {
  font-family: var(--font-display); font-size: clamp(26px, 4vw, 42px);
  font-weight: 700; max-width: 640px; margin: 0 auto 14px;
  position: relative; z-index: 2; line-height: 1.2; color: var(--white); letter-spacing: -0.5px;
}
#odor-control .oc-cta-wrap .oc-cta-sub {
  font-size: 15px; color: var(--oc-muted); max-width: 440px;
  margin: 0 auto 36px; position: relative; z-index: 2;
}
#odor-control .oc-cta-btns {
  display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
  position: relative; z-index: 2;
}
#odor-control .oc-btn-fill {
  padding: 14px 34px; background: var(--teal); color: var(--white);
  font-family: var(--font-display); font-size: 13px; font-weight: 600;
  letter-spacing: 0.04em; border-radius: 100px; text-decoration: none;
  border: 1.5px solid var(--teal); transition: var(--transition);
}
#odor-control .oc-btn-fill:hover { background: var(--teal-light); border-color: var(--teal-light); transform: translateY(-2px); color: var(--navy-deep); }
#odor-control .oc-btn-outline {
  padding: 14px 34px; background: transparent; color: var(--teal-light);
  font-family: var(--font-display); font-size: 13px; font-weight: 600;
  letter-spacing: 0.04em; border-radius: 100px; text-decoration: none;
  border: 1.5px solid var(--oc-border); transition: var(--transition);
}
#odor-control .oc-btn-outline:hover { border-color: var(--teal-light); background: rgba(91,196,176,0.07); transform: translateY(-2px); }

/* ── Responsive ── */
@media (max-width: 900px) {
  #odor-control .oc-problem-grid { grid-template-columns: 1fr; }
  #odor-control .oc-solution-layout { grid-template-columns: 1fr; gap: 40px; }
  #odor-control .oc-serve-grid { grid-template-columns: 1fr; }
  #odor-control .oc-strategic-layout { grid-template-columns: 1fr; gap: 40px; }
  #odor-control .oc-stats-row { flex-direction: column; }
  #odor-control .oc-stat { border-right: none; border-bottom: 1px solid var(--oc-border); }
  #odor-control .oc-stat:last-child { border-bottom: none; }
}
/* ── Active nav link indicator ── */
.nav-link--active {
  color: var(--white) !important;
  background: rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
}
.nav-link--active::after {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--teal-light);
  margin: 2px auto 0;
  border-radius: 1px;
}


/* ============================================================
   PAGE-LEVEL UTILITY CLASSES
   Added to replace inline styles on inner pages
   ============================================================ */

/* Hero-style section used on inner page tops */
.page-hero {
  padding: 120px 0 80px;
  background: var(--navy-deep);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 40%, rgba(29,158,117,0.1) 0%, transparent 65%);
}
.page-hero-inner { position: relative; z-index: 1; }
.page-hero h1 {
  font-size: clamp(32px, 5vw, 54px);
  color: var(--white);
  letter-spacing: -1px;
  margin-bottom: 18px;
}

/* Section padding utilities */
.section--white  { background: var(--white);     padding: 80px 0; }
.section--offwhite { background: var(--off-white); padding: 80px 0; }
.section--navy   { background: var(--navy-deep);  padding: 80px 0; }
.section--top0   { padding-top: 0; }

/* CTA banner (dark navy, full-width, used at bottom of inner pages) */
.cta-banner {
  padding: 80px 0;
  text-align: center;
  background: var(--navy-deep);
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 50%, rgba(29,158,117,0.12) 0%, transparent 65%);
}
.cta-banner-inner { position: relative; z-index: 1; }

/* Two-column contact cards */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.contact-card-dark {
  background: var(--navy);
  border-radius: var(--radius-xl);
  padding: 40px;
  border: 1px solid rgba(91,196,176,0.2);
}
.contact-card-light {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 40px;
  border: 1px solid var(--gray-1);
}
.contact-card-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.contact-card-dark .contact-card-label { color: var(--teal-light); }
.contact-card-light .contact-card-label { color: var(--teal); }
.contact-card-dark h2 { font-family: var(--font-display); font-size: 24px; font-weight: 700; color: var(--white); margin-bottom: 14px; letter-spacing: -0.3px; }
.contact-card-light h2 { font-family: var(--font-display); font-size: 24px; font-weight: 700; color: var(--navy); margin-bottom: 14px; letter-spacing: -0.3px; }
.contact-card-dark p  { font-size: 14px; color: rgba(255,255,255,0.6); line-height: 1.7; margin-bottom: 28px; }
.contact-card-light p { font-size: 14px; color: var(--gray-4); line-height: 1.7; margin-bottom: 28px; }
.contact-checklist { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 32px; }
.contact-checklist li { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.contact-card-dark .contact-checklist li { color: rgba(255,255,255,0.75); }
.contact-card-light .contact-checklist li { color: var(--charcoal); }
.contact-checklist .check-dark  { color: var(--teal-light); }
.contact-checklist .check-light { color: var(--teal); }

/* Contact direct bar */
.contact-direct-bar {
  margin-top: 32px;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px 40px;
  border: 1px solid var(--gray-1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.contact-direct-bar h3 {
  font-family: var(--font-display);
  font-size: 17px; font-weight: 700; color: var(--navy);
}
.contact-direct-bar p { font-size: 14px; color: var(--gray-4); margin-top: 4px; }
.contact-email-link {
  font-family: var(--font-display);
  font-size: 18px; font-weight: 600; color: var(--teal);
  text-decoration: none; letter-spacing: -0.2px;
  transition: var(--transition);
}
.contact-email-link:hover { color: var(--navy); }
.contact-email-row { display: flex; align-items: center; gap: 12px; }
.contact-email-icon { font-size: 20px; }

/* Hybrid model block (technology page) */
.hybrid-model-block {
  margin-top: 64px;
  background: var(--off-white);
  border-radius: var(--radius-xl);
  padding: 48px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.hybrid-model-block h3 {
  font-family: var(--font-display);
  font-size: 26px; font-weight: 700; color: var(--navy);
  letter-spacing: -0.4px; margin-bottom: 14px;
}
.hybrid-model-block p { font-size: 15px; color: var(--gray-4); line-height: 1.65; }
.hybrid-steps { display: flex; flex-direction: column; gap: 16px; }
.hybrid-step {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 20px;
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--gray-1);
}
.hybrid-step.highlight {
  background: var(--teal-pale);
  border-color: rgba(29,158,117,0.25);
}
.hybrid-step-icon { font-size: 22px; width: 36px; text-align: center; }
.hybrid-step-text { font-size: 14px; color: var(--charcoal); font-weight: 500; }
.hybrid-step.highlight .hybrid-step-text { color: var(--teal); font-weight: 600; }
.hybrid-result {
  background: var(--teal);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  text-align: center;
}
.hybrid-result span {
  font-family: var(--font-display);
  font-size: 15px; font-weight: 700; color: var(--white);
}

/* Measure cards (technology page) */
.measure-grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.measure-card {
  text-align: center;
  padding: 24px;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--gray-1);
  transition: var(--transition);
}
.measure-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.measure-card-icon { font-size: 28px; margin-bottom: 10px; }
.measure-card-title { font-family: var(--font-display); font-size: 14px; font-weight: 700; color: var(--navy); margin-bottom: 6px; }
.measure-card-sub { font-size: 12px; color: var(--gray-3); }

/* Page intro section (non-hero) */
.page-intro { padding: 120px 0 60px; }
.page-intro--offwhite { background: var(--off-white); }
.page-intro--white { background: var(--white); }

/* Hauler quote block */
.hauler-quote {
  font-size: 15px;
  color: rgba(255,255,255,0.55);
  line-height: 1.8;
  margin-bottom: 20px;
}
.hauler-quote-attr {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--teal-light);
  letter-spacing: 0.06em;
}

/* Next-step cards (reusable) */
.next-steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 60px;
  text-align: left;
}
.next-step-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.next-step-num {
  font-family: var(--font-display);
  font-size: 32px; font-weight: 700;
  color: var(--teal-light); margin-bottom: 8px;
}
.next-step-title {
  font-family: var(--font-display);
  font-size: 15px; font-weight: 600;
  color: var(--white); margin-bottom: 8px;
}
.next-step-desc { font-size: 13px; color: rgba(255,255,255,0.5); line-height: 1.6; }

/* Responsive — inner page grids */
@media (max-width: 900px) {
  .hybrid-model-block { grid-template-columns: 1fr; gap: 32px; }
  .measure-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .next-steps-grid { grid-template-columns: 1fr; }
}
@media (max-width: 540px) {
  .measure-grid { grid-template-columns: 1fr; }
}