/* ==========================================================================
   Advia Environmental Services LLC — Global Stylesheet
   Design language: Government Contractor / Environmental Consulting Firm
   Palette: Deep Navy Blue, Environmental Green, White, Light Gray
   ========================================================================== */

:root {
  /* Brand Colors */
  --navy: #0b2540;
  --navy-light: #163a5f;
  --navy-dark: #061829;
  --green: #2e7d4f;
  --green-light: #3f9c66;
  --green-dark: #205a38;
  --white: #ffffff;
  --gray-light: #f4f6f8;
  --gray: #e2e6ea;
  --gray-mid: #8a97a6;
  --gray-dark: #4a5664;
  --text: #232d38;
  --accent-gold: #c8a04d;

  /* Typography */
  --font-heading: 'Montserrat', 'Segoe UI', Arial, sans-serif;
  --font-body: 'Open Sans', 'Segoe UI', Arial, sans-serif;

  /* Spacing */
  --section-pad: 5rem;
  --container-width: 1200px;

  /* Effects */
  --shadow-sm: 0 2px 8px rgba(11, 37, 64, 0.08);
  --shadow-md: 0 4px 20px rgba(11, 37, 64, 0.12);
  --shadow-lg: 0 10px 40px rgba(11, 37, 64, 0.18);
  --radius: 4px;
  --transition: all 0.25s ease;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--text);
  line-height: 1.65;
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--green-dark);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--green);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--navy);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.01em;
}

h1 { font-size: 2.75rem; }
h2 { font-size: 2.1rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.2rem; }

p { margin-bottom: 1rem; }

ul, ol { margin-left: 1.25rem; margin-bottom: 1rem; }

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

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

.section-alt {
  background-color: var(--gray-light);
}

.section-navy {
  background-color: var(--navy);
  color: var(--white);
}

.section-navy h2,
.section-navy h3,
.section-navy h4,
.section-navy p {
  color: var(--white);
}

.section-green {
  background-color: var(--green-dark);
  color: var(--white);
}
.section-green h2, .section-green h3, .section-green p { color: var(--white); }

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.text-center { text-align: center; }
.text-green { color: var(--green); }
.text-navy { color: var(--navy); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 0.75rem;
}

.section-navy .eyebrow,
.section-green .eyebrow { color: var(--accent-gold); }

.section-header {
  max-width: 760px;
  margin: 0 auto 3rem;
  text-align: center;
}

.section-header.align-left {
  margin: 0 0 3rem;
  text-align: left;
}

.lead {
  font-size: 1.15rem;
  color: var(--gray-dark);
}

.section-navy .lead, .section-green .lead { color: var(--gray); }

.placeholder-note {
  display: inline-block;
  background: #fff7e0;
  border: 1px dashed var(--accent-gold);
  color: #6b5310;
  font-size: 0.85rem;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius);
  margin: 0.5rem 0;
}

.divider {
  width: 70px;
  height: 4px;
  background: var(--green);
  margin: 0.5rem auto 1.5rem;
}

.section-header.align-left .divider { margin: 0.5rem 0 1.5rem; }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.9rem 2rem;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background-color: var(--green);
  color: var(--white);
  border-color: var(--green);
}
.btn-primary:hover {
  background-color: var(--green-dark);
  border-color: var(--green-dark);
  color: var(--white);
}

.btn-secondary {
  background-color: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-secondary:hover {
  background-color: var(--white);
  color: var(--navy);
}

.btn-navy {
  background-color: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.btn-navy:hover {
  background-color: var(--navy-light);
  border-color: var(--navy-light);
}

.btn-outline-navy {
  background-color: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-outline-navy:hover {
  background-color: var(--navy);
  color: var(--white);
}

.btn-block { display: block; width: 100%; }
.btn-lg { padding: 1.1rem 2.5rem; font-size: 1rem; }
.btn-sm { padding: 0.55rem 1.25rem; font-size: 0.8rem; }

/* ==========================================================================
   Top Utility Bar
   ========================================================================== */
.topbar {
  background-color: var(--navy-dark);
  color: var(--gray);
  font-size: 0.85rem;
}

.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.topbar a { color: var(--gray); }
.topbar a:hover { color: var(--accent-gold); }

.topbar-contact {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.topbar-contact span i,
.topbar-contact a i {
  margin-right: 0.4rem;
  color: var(--green-light);
}

.topbar-tagline {
  font-style: italic;
  color: var(--gray-mid);
}

/* ==========================================================================
   Header / Navigation
   ========================================================================== */
.site-header {
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 1.5rem;
  max-width: var(--container-width);
  margin: 0 auto;
  gap: 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--navy);
  white-space: nowrap;
}

.logo-mark {
  width: 46px;
  height: 46px;
  flex-shrink: 0;
}

.logo-text-main { color: var(--navy); }
.logo-text-sub {
  display: block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--green);
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  flex: 1;
  justify-content: center;
}

.main-nav a {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--navy);
  padding: 0.5rem 0;
  position: relative;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--green);
}

.main-nav a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--green);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-phone {
  text-align: right;
  font-family: var(--font-heading);
  line-height: 1.2;
}

.header-phone small {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-mid);
}

.header-phone a {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--navy);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 3px;
  background-color: var(--navy);
  border-radius: 2px;
}

/* ==========================================================================
   Hero Sections
   ========================================================================== */
.hero {
  position: relative;
  background: linear-gradient(120deg, rgba(11,37,64,0.92) 0%, rgba(11,37,64,0.78) 55%, rgba(46,125,79,0.65) 100%), var(--navy);
  background-size: cover;
  background-position: center;
  color: var(--white);
  padding: 6rem 0;
  overflow: hidden;
}

.hero.hero-image {
  background-image: linear-gradient(120deg, rgba(11,37,64,0.92) 0%, rgba(11,37,64,0.78) 55%, rgba(46,125,79,0.55) 100%), url('../images/placeholders/hero-home.svg');
}

.hero-content {
  max-width: 760px;
}

.hero .eyebrow { color: var(--accent-gold); }

.hero h1 {
  color: var(--white);
  font-size: 3rem;
  margin-bottom: 1.25rem;
}

.hero p.lead {
  color: var(--gray);
  font-size: 1.2rem;
  margin-bottom: 2rem;
  max-width: 620px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.page-hero {
  background: linear-gradient(120deg, rgba(11,37,64,0.94) 0%, rgba(11,37,64,0.85) 100%), var(--navy);
  color: var(--white);
  padding: 4rem 0;
  text-align: center;
}

.page-hero h1 { color: var(--white); margin-bottom: 0.5rem; }
.page-hero .breadcrumb {
  font-size: 0.85rem;
  color: var(--gray-mid);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.page-hero .breadcrumb a { color: var(--gray); }

/* ==========================================================================
   Grids & Cards
   ========================================================================== */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }

.card {
  background: var(--white);
  border: 1px solid var(--gray);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.card-icon {
  width: 56px;
  height: 56px;
  margin-bottom: 1.25rem;
}

.card h3 { margin-bottom: 0.6rem; font-size: 1.2rem; }
.card p:last-child { margin-bottom: 0; }

.card-link {
  display: inline-block;
  margin-top: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Service card with top accent border */
.service-card {
  border-top: 4px solid var(--green);
}

/* Industry card */
.industry-card {
  text-align: center;
}
.industry-card .card-icon { margin: 0 auto 1.25rem; }

/* Image cards */
.img-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray);
  transition: var(--transition);
}
.img-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.img-card img { width: 100%; height: 220px; object-fit: cover; }
.img-card .img-card-body { padding: 1.5rem; }

/* ==========================================================================
   Two Column Feature
   ========================================================================== */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.feature-row.reverse .feature-img { order: 2; }

.feature-img img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}

.feature-text ul {
  list-style: none;
  margin-left: 0;
}

.feature-text ul li {
  position: relative;
  padding-left: 1.8rem;
  margin-bottom: 0.65rem;
}

.feature-text ul li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--green);
  font-weight: 800;
  background: var(--gray-light);
  border-radius: 50%;
  width: 1.3rem;
  height: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
}

/* ==========================================================================
   Stats Strip
   ========================================================================== */
.stats-strip {
  background-color: var(--green-dark);
  color: var(--white);
  padding: 2.5rem 0;
}

.stats-strip .grid-4 {
  text-align: center;
  gap: 1rem;
}

.stats-strip .stat-number {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 800;
  display: block;
}

.stats-strip .stat-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray);
}

/* ==========================================================================
   Logo / Vehicle Strip (placeholders)
   ========================================================================== */
.logo-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 2.5rem;
}

.logo-placeholder {
  width: 160px;
  height: 70px;
  background: var(--gray-light);
  border: 1px dashed var(--gray-mid);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-dark);
  font-size: 0.75rem;
  text-align: center;
  font-family: var(--font-heading);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.5rem;
}

/* ==========================================================================
   Tables
   ========================================================================== */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

.data-table th, .data-table td {
  border: 1px solid var(--gray);
  padding: 0.85rem 1rem;
  text-align: left;
}

.data-table th {
  background-color: var(--navy);
  color: var(--white);
  font-family: var(--font-heading);
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

.data-table tr:nth-child(even) td {
  background-color: var(--gray-light);
}

/* ==========================================================================
   Forms
   ========================================================================== */
.form-card {
  background: var(--white);
  border: 1px solid var(--gray);
  border-radius: var(--radius);
  padding: 2.5rem;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 1.35rem;
}

.form-group label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 0.4rem;
  color: var(--navy);
}

.form-group .required { color: #c0392b; }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--gray-mid);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background-color: var(--white);
  color: var(--text);
}

.form-group .field-error {
  border-color: #c0392b !important;
  box-shadow: 0 0 0 3px rgba(192, 57, 43, 0.12) !important;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(46, 125, 79, 0.15);
}

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

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.checkbox-group input { width: auto; margin-top: 0.25rem; }
.checkbox-group label { font-weight: 400; margin-bottom: 0; font-family: var(--font-body); color: var(--text); }

.form-note {
  font-size: 0.85rem;
  color: var(--gray-dark);
  margin-top: 0.4rem;
}

.form-success {
  background-color: #e8f5ee;
  border: 1px solid var(--green);
  color: var(--green-dark);
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.form-error {
  background-color: #fdecea;
  border: 1px solid #c0392b;
  color: #c0392b;
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
  font-weight: 600;
}

/* ==========================================================================
   CTA Banner
   ========================================================================== */
.cta-banner {
  background: linear-gradient(120deg, var(--navy) 0%, var(--navy-light) 100%);
  color: var(--white);
  padding: 3.5rem 0;
  text-align: center;
}

.cta-banner h2 { color: var(--white); margin-bottom: 0.5rem; }
.cta-banner p { color: var(--gray); margin-bottom: 1.75rem; }
.cta-buttons { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }

/* ==========================================================================
   Timeline / Process
   ========================================================================== */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  counter-reset: step;
}

.process-step {
  text-align: center;
  position: relative;
}

.process-step .step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--green);
  color: var(--white);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}

/* ==========================================================================
   Badges / Tags
   ========================================================================== */
.badge {
  display: inline-block;
  background-color: var(--gray-light);
  border: 1px solid var(--gray);
  color: var(--navy);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  margin: 0.2rem;
}

.badge-green {
  background-color: rgba(46,125,79,0.1);
  border-color: var(--green);
  color: var(--green-dark);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--navy-dark);
  color: var(--gray);
  padding-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--white);
  margin-bottom: 1rem;
}

.footer-logo img { width: 42px; height: 42px; }

.site-footer h4 {
  color: var(--white);
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.1rem;
}

.site-footer ul { list-style: none; margin-left: 0; }
.site-footer ul li { margin-bottom: 0.55rem; }
.site-footer a { color: var(--gray); font-size: 0.92rem; }
.site-footer a:hover { color: var(--accent-gold); }

.footer-cert-list li {
  font-size: 0.85rem;
  color: var(--gray-mid);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
  font-size: 0.82rem;
  color: var(--gray-mid);
  flex-wrap: wrap;
  gap: 0.75rem;
}

.footer-bottom a { color: var(--gray-mid); }

.social-links {
  display: flex;
  gap: 0.75rem;
}

.social-links a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
}
.social-links a:hover { background-color: var(--green); border-color: var(--green); }

/* ==========================================================================
   Sticky Mobile Quote Bar
   ========================================================================== */
.mobile-quote-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1100;
  background: var(--green);
  box-shadow: 0 -4px 16px rgba(0,0,0,0.2);
}

.mobile-quote-bar a {
  display: block;
  text-align: center;
  color: var(--white);
  font-family: var(--font-heading);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 1rem;
  font-size: 0.9rem;
}

/* ==========================================================================
   Misc Components
   ========================================================================== */
.alert-emergency {
  background: #fdecea;
  border: 2px solid #c0392b;
  border-radius: var(--radius);
  padding: 1.5rem;
}
.alert-emergency h3 { color: #c0392b; }

.icon-list {
  list-style: none;
  margin-left: 0;
}
.icon-list li {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  align-items: flex-start;
}
.icon-list li svg { flex-shrink: 0; margin-top: 0.2rem; color: var(--green); }

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
}

.quote-box {
  background: var(--gray-light);
  border-left: 4px solid var(--green);
  padding: 1.5rem 2rem;
  font-style: italic;
  color: var(--navy);
  margin: 1.5rem 0;
}

.two-col-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 2rem;
}

.pdf-preview {
  border: 1px solid var(--gray);
  box-shadow: var(--shadow-md);
  max-width: 480px;
  margin: 0 auto;
}

.anchor-offset { scroll-margin-top: 90px; }

/* ==========================================================================
   Blog
   ========================================================================== */
.blog-card .blog-meta {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--green-dark);
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.blog-article img {
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}

.blog-article h2 { margin-top: 2rem; }
.blog-article ul { margin-bottom: 1.25rem; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem 1.5rem; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-5 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .main-nav { display: none; }
  .nav-toggle { display: flex; }
  .header-phone { display: none; }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    gap: 1rem;
    align-items: flex-start;
  }

  .feature-row, .feature-row.reverse {
    grid-template-columns: 1fr;
  }
  .feature-row.reverse .feature-img { order: 0; }

  .mobile-quote-bar { display: block; }
  body { padding-bottom: 56px; }
}

@media (max-width: 768px) {
  :root { --section-pad: 3rem; }
  h1 { font-size: 2.1rem; }
  h2 { font-size: 1.6rem; }
  .hero h1 { font-size: 2.2rem; }
  .hero { padding: 3.5rem 0; }
  .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .two-col-list { grid-template-columns: 1fr; }
  .topbar .container { justify-content: center; text-align: center; }
  .stats-strip .grid-4 { grid-template-columns: repeat(2,1fr); gap: 1.5rem; }
  .process-steps { grid-template-columns: 1fr; }
  .header-inner { flex-wrap: wrap; }
}