/* =========================================================
   FAB Formwork & Reinforcement Ltd — stylesheet
   ========================================================= */

:root {
  --charcoal: #1b2560;
  --charcoal-2: #141b45;
  --steel: #3b5ba0;
  --steel-light: #5b7ec4;
  --concrete: #8b93b5;
  --concrete-light: #e4e8f4;
  --off-white: #f5f6fb;
  --safety: #2da9e1;
  --safety-dark: #1c8ec2;
  --white: #ffffff;
  --text: #1b2140;
  --text-muted: #5b6480;
  --border: #d7dbe8;

  --font-head: "Playfair Display", "Georgia", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --container: 1180px;
  --radius: 8px;
  --shadow: 0 10px 30px rgba(20, 24, 28, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--off-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-head);
  text-transform: none;
  letter-spacing: 0;
  line-height: 1.15;
  margin: 0 0 0.5em;
  color: var(--charcoal);
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 700; }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); font-weight: 700; }
h3 { font-size: 1.3rem; font-weight: 600; letter-spacing: 0.01em; }
h4 { font-size: 1.05rem; font-weight: 600; }

p { margin: 0 0 1em; color: var(--text-muted); }
p:last-child { margin-bottom: 0; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 88px 0;
}

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

.section-dark {
  background: var(--concrete-light);
  color: var(--text);
}
.section-dark h2, .section-dark h3, .section-dark h4 { color: var(--charcoal); }
.section-dark p { color: var(--text-muted); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--safety);
  margin-bottom: 14px;
}

.section-head {
  max-width: 720px;
  margin: 0 0 48px;
}
.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section-head h2 {
  position: relative;
  padding-bottom: 20px;
}
.section-head h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 56px;
  height: 3px;
  background: var(--safety);
}
.section-head.center h2::after {
  left: 50%;
  transform: translateX(-50%);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  font-size: 0.88rem;
  padding: 14px 28px;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.18s ease;
}
.btn-primary {
  background: var(--safety);
  color: var(--white);
  border-color: var(--safety);
}
.btn-primary:hover {
  background: var(--safety-dark);
  border-color: var(--safety-dark);
}
.btn-secondary {
  background: transparent;
  color: var(--charcoal);
  border-color: var(--charcoal);
}
.btn-secondary:hover {
  background: var(--charcoal);
  color: var(--white);
}
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 20px rgba(27, 37, 96, 0.06);
}
.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 3px;
  background: linear-gradient(90deg, var(--charcoal) 0%, var(--safety) 50%, var(--steel-light) 100%);
  opacity: 0.9;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  min-height: 68px;
  max-width: var(--container);
  margin: 0 auto;
}
.logo {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.6rem;
  line-height: 1;
  color: var(--charcoal);
  letter-spacing: 0.03em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: 50%;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
  box-shadow: 0 2px 8px rgba(27, 37, 96, 0.18);
}
.logo:hover .logo-icon {
  transform: rotate(-8deg) scale(1.08);
  box-shadow: 0 4px 14px rgba(45, 169, 225, 0.35);
}
.logo span {
  color: var(--safety);
  line-height: 1;
  align-self: center;
}
.logo small {
  font-family: var(--font-body);
  font-weight: 500;
  text-transform: none;
  font-size: 0.62rem;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  display: block;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.main-nav ul {
  display: flex;
  gap: 30px;
}
.main-nav ul li {
  position: relative;
}
.main-nav a {
  position: relative;
  display: inline-block;
  font-family: var(--font-body);
  text-transform: uppercase;
  font-size: 0.9rem;
  line-height: 1;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 600;
  padding: 8px 2px;
  border-bottom: none;
  transition: color 0.2s ease;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--safety), var(--steel-light));
  border-radius: 2px;
  transform: translateX(-50%);
  transition: width 0.25s ease;
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--charcoal);
}
.main-nav a:hover::after,
.main-nav a.active::after {
  width: 100%;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: background 0.2s ease;
}
.nav-toggle:hover {
  background: var(--concrete-light);
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--charcoal);
  display: block;
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}
.header-cta {
  margin-left: 8px;
  white-space: nowrap;
  padding: 12px 22px;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  border-radius: 999px;
  box-shadow: 0 6px 16px rgba(45, 169, 225, 0.3);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.18s ease, border-color 0.18s ease;
}
.header-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 22px rgba(45, 169, 225, 0.4);
}

/* ---------- Hero ---------- */
.hero, .page-hero {
  --hero-photo: url("../images/formwork.jpg?v=2");
  position: relative;
  background: var(--off-white);
  color: var(--text);
  padding: 120px 0 100px;
  overflow: hidden;
  background-image: var(--hero-photo);
  background-size: cover;
  background-position: center 35%;
  background-repeat: no-repeat;
}
.hero::before, .page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(245, 244, 241, 0.68);
  z-index: 0;
}
.page-hero {
  --hero-photo: url("../images/steel-reinforcement.jpg?v=2");
}
.hero-about { --hero-photo: url("../images/steel-reinforcement.jpg?v=2"); }
.hero-services { --hero-photo: url("../images/concrete-placement.jpg?v=2"); }
.hero-contact { --hero-photo: url("../images/water-retaining.jpg?v=2"); }
.hero-faqs { --hero-photo: url("../images/project-shotton.jpg?v=2"); }
.hero-divider {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  line-height: 0;
  z-index: 2;
}
.hero-divider svg { width: 100%; height: 56px; display: block; }
.page-hero .hero-divider svg { height: 40px; }
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
}
.hero .eyebrow,
.hero h1,
.hero p.lead,
.hero .hero-sub,
.hero .breadcrumb {
  text-shadow: 0 1px 3px rgba(245, 244, 241, 0.9), 0 0 24px rgba(245, 244, 241, 0.7);
}
.hero h1 {
  color: var(--charcoal);
}
.hero p.lead {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 640px;
}
.hero-sub {
  font-size: 1rem;
  max-width: 640px;
}

/* Proof points */
.proof-points {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 56px;
}
.proof-points li {
  position: relative;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(20, 24, 28, 0.08);
  border-top: 3px solid var(--safety);
  border-radius: var(--radius);
  padding: 20px 18px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--charcoal);
  letter-spacing: 0.01em;
  line-height: 1.3;
  backdrop-filter: blur(2px);
  box-shadow: 0 6px 18px rgba(20, 24, 28, 0.06);
  transition: transform 0.2s ease, background 0.2s ease;
}
.proof-points li:hover {
  transform: translateY(-3px);
  background: rgba(255, 255, 255, 0.92);
}

/* Subtle entrance animation for hero content */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-inner > * {
  animation: fade-up 0.6s ease both;
}
.hero-inner > *:nth-child(1) { animation-delay: 0.02s; }
.hero-inner > *:nth-child(2) { animation-delay: 0.08s; }
.hero-inner > *:nth-child(3) { animation-delay: 0.14s; }
.hero-inner > *:nth-child(4) { animation-delay: 0.2s; }
.hero-inner > *:nth-child(5) { animation-delay: 0.26s; }
.hero-inner > *:nth-child(6) { animation-delay: 0.32s; }
@media (prefers-reduced-motion: reduce) {
  .hero-inner > * { animation: none; }
}

/* Page hero (interior pages, shorter) */
.page-hero {
  padding: 76px 0 64px;
}
.breadcrumb {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 18px;
  letter-spacing: 0.03em;
}
.breadcrumb a { color: var(--charcoal); }
.breadcrumb a:hover { color: var(--safety); }

/* ---------- Cards / Grids ---------- */
.grid {
  display: grid;
  gap: 28px;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--charcoal);
  color: var(--safety);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}
.card-icon svg { width: 24px; height: 24px; }
.card .link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--safety);
}
.card .link::after { content: "→"; transition: transform 0.15s ease; }
.card:hover .link::after { transform: translateX(4px); }

.section-cta {
  text-align: center;
  margin-top: 48px;
}

/* Sector cards on light panel */
.section-dark .card {
  background: var(--white);
  border-color: var(--border);
}
.section-dark .card-icon {
  background: var(--charcoal);
  color: var(--safety);
}

/* Stats */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stats-strip .stat {
  padding: 28px 16px;
  border-top: 3px solid var(--safety);
  background: var(--white);
}
.stat .num {
  font-family: var(--font-head);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--charcoal);
  display: block;
}
.stat .label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* Projects */
.project-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
}
.project-media {
  height: 150px;
  background: linear-gradient(135deg, var(--steel) 0%, var(--charcoal) 100%);
  position: relative;
  overflow: hidden;
}
.project-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}
.project-card:hover .project-media img {
  transform: scale(1.06);
}
.project-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,18,21,0.75) 0%, rgba(15,18,21,0.05) 55%);
}
.project-media span {
  position: absolute;
  z-index: 1;
  bottom: 10px;
  left: 16px;
  color: var(--white);
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.8rem;
}
.project-body { padding: 24px 24px 28px; }
.project-body dl {
  margin: 14px 0 0;
  display: grid;
  gap: 6px;
  font-size: 0.92rem;
}
.project-body dt {
  font-weight: 700;
  color: var(--charcoal);
  display: inline;
}
.project-body dd {
  margin: 0 0 4px;
  display: inline;
  color: var(--text-muted);
}
.project-body dd::after { content: ""; display: block; }

/* Process steps */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}
.process-steps .step {
  position: relative;
  padding-top: 8px;
}
.process-steps .step-num {
  font-family: var(--font-head);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--safety);
  opacity: 0.9;
  display: block;
  margin-bottom: 6px;
}

/* Two-column content */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.checklist li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 12px;
  color: var(--text-muted);
}
.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--safety);
  font-weight: 700;
}

/* Leadership */
.person-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  text-align: left;
}
.person-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--charcoal);
  color: var(--safety);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-head);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.person-role {
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.85rem;
  color: var(--safety);
  margin-bottom: 10px;
  display: block;
}
.person-card a.contact-line {
  display: block;
  margin-top: 6px;
  font-size: 0.92rem;
  color: var(--steel-light);
}
.person-card a.contact-line:hover { color: var(--safety); }

/* Final CTA banner */
.final-cta {
  position: relative;
  color: var(--text);
  text-align: center;
  padding: 100px 0;
  overflow: hidden;
  background-image:
    linear-gradient(180deg, rgba(245,244,241,0.65) 0%, rgba(245,244,241,0.55) 55%, rgba(245,244,241,0.65) 100%),
    url("../images/concrete-placement.jpg?v=3");
  background-size: cover, cover;
  background-position: center, center 30%;
  background-repeat: no-repeat, no-repeat;
}
.final-cta h2 { color: var(--charcoal); }
.final-cta p { color: var(--text-muted); }
.final-cta .cta-row { justify-content: center; }
.final-cta .btn-secondary {
  color: var(--charcoal);
  border-color: var(--charcoal);
}
.final-cta .btn-secondary:hover {
  background: var(--charcoal);
  color: var(--white);
}
.final-cta .support-line {
  margin-top: 28px;
  font-size: 0.9rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* ---------- Service photos ---------- */
.service-photo {
  margin-top: 40px;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 16 / 7;
}
.service-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.photo-credits {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.8;
}
.photo-credits a { color: var(--steel-light); }
.photo-credits a:hover { color: var(--safety); }

/* ---------- FAQ Accordion ---------- */
.faq-group {
  margin-bottom: 48px;
}
.faq-group h3.group-title {
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--safety);
  border-bottom: 2px solid var(--border);
  padding-bottom: 10px;
  margin-bottom: 8px;
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px 40px 20px 0;
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--charcoal);
  cursor: pointer;
  position: relative;
  letter-spacing: 0.01em;
}
.faq-question::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 16px;
  font-size: 1.6rem;
  color: var(--safety);
  font-weight: 400;
  transition: transform 0.2s ease;
}
.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}
.faq-answer-inner {
  padding: 0 0 22px;
  color: var(--text-muted);
}
.faq-answer-inner ul { margin-top: 10px; }
.faq-answer-inner li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 6px;
}
.faq-answer-inner li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--safety);
}

/* ---------- Contact page ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.office-block {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}
.office-block address { font-style: normal; color: var(--text-muted); line-height: 1.8; }

form.enquiry-form {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}
.form-field { margin-bottom: 20px; }
.form-field.full { grid-column: 1 / -1; }
label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  margin-bottom: 6px;
  color: var(--charcoal);
}
label .req { color: var(--safety); }
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
select,
textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--off-white);
}
textarea { min-height: 130px; resize: vertical; }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--safety);
  background: var(--white);
}
.checkbox-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.checkbox-grid label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  font-size: 0.9rem;
}
.checkbox-grid input { width: auto; }
.file-hint {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 6px;
}
.form-msg {
  display: none;
  padding: 14px 18px;
  border-radius: var(--radius);
  margin-bottom: 20px;
  font-size: 0.92rem;
}
.form-msg.success { background: #e4f4e8; color: #1c6b34; display: block; }
.form-msg.error { background: #fbe6e0; color: #a3320f; display: block; }
.privacy-note {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 16px;
}

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  background: var(--concrete-light);
  color: var(--text-muted);
  padding: 72px 0 28px;
  overflow: hidden;
  border-top: 1px solid var(--border);
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--safety) 0%, #ffb27a 45%, var(--safety) 100%);
}
.site-footer::after {
  content: "";
  position: absolute;
  right: -140px;
  top: -140px;
  width: 340px;
  height: 340px;
  border: 46px solid rgba(232, 98, 28, 0.07);
  border-radius: 50%;
  pointer-events: none;
}
.footer-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}
.footer-grid h4 {
  font-family: var(--font-body);
  text-transform: uppercase;
  color: var(--charcoal);
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}
.footer-grid h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 2px;
  background: var(--safety);
}
.footer-grid ul li { margin-bottom: 12px; font-size: 0.92rem; }
.footer-grid ul li a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--text-muted);
  transition: color 0.15s ease, transform 0.15s ease;
}
.footer-grid ul li a:hover {
  color: var(--safety);
  transform: translateX(2px);
}
.footer-grid ul li:not(:has(a)) {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--text-muted);
}
.footer-icon {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  color: var(--safety);
}
.footer-brand .logo { margin-bottom: 16px; display: inline-flex; }
.footer-brand p { color: var(--text-muted); max-width: 320px; }
.footer-bottom {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 0.82rem;
  color: var(--concrete);
  flex-wrap: wrap;
  gap: 12px;
}
.back-to-top {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.8rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 16px;
  transition: border-color 0.15s ease, color 0.15s ease, transform 0.15s ease;
}
.back-to-top:hover {
  color: var(--safety);
  border-color: var(--safety);
  transform: translateY(-2px);
}

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .stats-strip { grid-template-columns: repeat(2, 1fr); }
  .proof-points { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .main-nav { position: fixed; inset: 68px 0 0 0; background: var(--white); flex-direction: column; align-items: flex-start; padding: 24px; transform: translateX(100%); transition: transform 0.25s ease; overflow-y: auto; }
  .main-nav.open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: 4px; width: 100%; }
  .main-nav a { display: block; padding: 14px 0; border-bottom: 1px solid var(--border); width: 100%; }
  .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .stats-strip, .proof-points, .process-steps { grid-template-columns: 1fr; }
  .form-row, .checkbox-grid { grid-template-columns: 1fr; }
  section { padding: 60px 0; }
  .hero { padding: 80px 0 64px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}