/* ==========================================================================
   Backflow Preventer Drew Cook — site styles
   ========================================================================== */

:root {
  --ink: #0a1930;
  --ink-2: #0f2745;
  --navy: #0d2b4e;
  --teal: #0ea5b7;
  --teal-light: #5fd4dd;
  --amber: #f5a623;
  --amber-dark: #d98a0f;
  --white: #ffffff;
  --offwhite: #f6f8fb;
  --slate-50: #f8fafc;
  --slate-100: #eef2f6;
  --slate-200: #e2e8f0;
  --slate-500: #64748b;
  --slate-700: #33445a;
  --slate-900: #101826;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 8px rgba(10, 25, 48, 0.06);
  --shadow-md: 0 8px 24px rgba(10, 25, 48, 0.10);
  --shadow-lg: 0 24px 60px rgba(10, 25, 48, 0.18);
  --container: 1180px;
  --font-head: 'Sora', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--slate-700);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--ink);
  line-height: 1.15;
  margin: 0 0 0.5em;
  font-weight: 700;
}
p { margin: 0 0 1em; }
ul { margin: 0; padding: 0; list-style: none; }
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.section {
  padding: 88px 0;
}
.section--tight { padding: 56px 0; }
.section--alt { background: var(--slate-50); }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: '';
  width: 28px;
  height: 2px;
  background: var(--amber);
  display: inline-block;
}
.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head p { color: var(--slate-500); font-size: 17px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 15px;
  padding: 14px 28px;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, color 0.18s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--amber); color: var(--ink); box-shadow: 0 10px 24px rgba(245, 166, 35, 0.35); }
.btn-primary:hover { background: var(--amber-dark); }
.btn-outline { border-color: rgba(255,255,255,0.55); color: var(--white); }
.btn-outline:hover { background: rgba(255,255,255,0.12); }
.btn-navy { background: var(--navy); color: var(--white); }
.btn-navy:hover { background: var(--ink); }
.btn-sm { padding: 9px 18px; font-size: 13px; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; transform: none; }

/* ---------------- Header ---------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 25, 48, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 42px; width: auto; }
.brand span {
  font-family: var(--font-head);
  color: var(--white);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.2;
}
.brand small { display: block; color: var(--teal-light); font-weight: 500; font-size: 11px; letter-spacing: 0.04em; }

.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  color: rgba(255,255,255,0.85);
  font-weight: 600;
  font-size: 14.5px;
  padding: 10px 14px;
  border-radius: 999px;
  transition: background 0.15s ease, color 0.15s ease;
}
.main-nav a:hover, .main-nav a.active { background: rgba(255,255,255,0.10); color: var(--white); }

.header-actions { display: flex; align-items: center; gap: 14px; }
.header-phone {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
}
.header-phone svg { color: var(--amber); flex-shrink: 0; }
.cart-link {
  position: relative;
  color: var(--white);
  display: flex;
  align-items: center;
  padding: 8px;
}
.cart-badge {
  position: absolute;
  top: -2px; right: -2px;
  background: var(--amber);
  color: var(--ink);
  font-size: 10px;
  font-weight: 800;
  border-radius: 999px;
  min-width: 17px; height: 17px;
  display: flex; align-items: center; justify-content: center;
  padding: 0 4px;
}
.nav-toggle {
  display: none;
  background: none; border: none;
  color: var(--white);
  padding: 8px;
  cursor: pointer;
}

/* ---------------- Hero ---------------- */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  background: var(--ink);
  overflow: hidden;
}
.hero-media {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center 30%;
  transform: scale(1.05);
}
.hero-media::after {
  content: '';
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(10,25,48,0.55) 0%, rgba(10,25,48,0.72) 55%, var(--ink) 100%),
    linear-gradient(100deg, rgba(10,25,48,0.92) 10%, rgba(10,25,48,0.35) 55%, rgba(10,25,48,0.65) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 140px 0 120px;
  max-width: 680px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.25);
  color: var(--white);
  padding: 8px 18px 8px 8px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 28px;
}
.hero-badge .dot {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--teal);
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  font-size: 12px;
}
.hero h1 {
  color: var(--white);
  font-size: clamp(48px, 7vw, 84px);
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.hero h1 .accent { color: var(--amber); }
.hero .hero-sub {
  font-family: var(--font-head);
  color: var(--teal-light);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 600;
  margin-bottom: 22px;
}
.hero p.lede {
  color: rgba(255,255,255,0.82);
  font-size: 18px;
  max-width: 520px;
  margin-bottom: 36px;
}
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 56px; }
.hero-stats {
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
}
.hero-stats div strong {
  display: block;
  font-family: var(--font-head);
  color: var(--white);
  font-size: 28px;
}
.hero-stats div span { color: rgba(255,255,255,0.65); font-size: 13px; }
.hero-scroll {
  position: absolute;
  bottom: 28px; left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: rgba(255,255,255,0.55);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: bob 2.4s ease-in-out infinite;
}
@keyframes bob { 0%,100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 8px); } }

/* Partner strip below hero */
.partner-strip {
  background: var(--slate-900);
  padding: 26px 0;
}
.partner-strip .container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 56px;
  flex-wrap: wrap;
}
.partner-strip img { height: 34px; width: auto; opacity: 0.8; filter: grayscale(1) brightness(3); }

/* ---------------- Feature icons row ---------------- */
.feature-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 28px;
}
.feature-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.feature-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.feature-card img { width: 48px; height: 48px; flex-shrink: 0; }
.feature-card h4 { font-size: 17px; margin-bottom: 6px; }
.feature-card p { color: var(--slate-500); font-size: 14.5px; margin: 0; }

/* ---------------- About split ---------------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.split-media { position: relative; }
.split-media img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
}
.split-media .badge-card {
  position: absolute;
  bottom: -28px; left: -28px;
  background: var(--ink);
  color: var(--white);
  padding: 22px 26px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: 14px;
}
.split-media .badge-card strong { font-family: var(--font-head); font-size: 30px; color: var(--amber); display: block; }
.split-media .badge-card span { font-size: 12.5px; color: rgba(255,255,255,0.7); }

.commitment-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 28px 0 32px;
}
.commitment-grid li {
  display: flex; align-items: center; gap: 10px;
  font-size: 14.5px; font-weight: 600; color: var(--ink);
}
.commitment-grid li::before {
  content: '';
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--teal);
  flex-shrink: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 12px;
}

.quote-card {
  background: var(--slate-50);
  border-left: 4px solid var(--amber);
  border-radius: var(--radius-sm);
  padding: 22px 26px;
  font-style: italic;
  color: var(--ink);
  font-size: 15.5px;
  margin: 24px 0;
}

/* ---------------- CTA banner ---------------- */
.cta-banner {
  background: linear-gradient(120deg, var(--navy), var(--ink));
  color: var(--white);
  border-radius: 24px;
  padding: 56px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(94, 211, 221, 0.25), transparent 45%),
              radial-gradient(circle at 85% 80%, rgba(245, 166, 35, 0.2), transparent 45%);
}
.cta-banner > * { position: relative; z-index: 1; }
.cta-banner h2 { color: var(--white); font-size: clamp(26px, 4vw, 38px); }
.cta-banner p { color: rgba(255,255,255,0.75); max-width: 560px; margin: 0 auto 28px; }

/* ---------------- Services grid ---------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 26px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--slate-200);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  display: flex;
  flex-direction: column;
}
.service-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.service-card .icon-wrap {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--teal), var(--navy));
  display: flex; align-items: center; justify-content: center;
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 700;
  margin: 28px 0 0 28px;
}
.service-card .body { padding: 18px 28px 28px; flex: 1; display: flex; flex-direction: column; }
.service-card .subtitle { color: var(--teal); font-weight: 700; font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 4px; }
.service-card h3 { font-size: 20px; }
.service-card p { color: var(--slate-500); font-size: 14.5px; flex: 1; }

/* ---------------- Workflow ---------------- */
.workflow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 30px;
  counter-reset: step;
}
.workflow-step { position: relative; padding-left: 8px; }
.workflow-step .num {
  font-family: var(--font-head);
  font-size: 44px;
  font-weight: 800;
  color: var(--slate-200);
  margin-bottom: 6px;
}
.workflow-step h4 { font-size: 18px; }
.workflow-step p { color: var(--slate-500); font-size: 14.5px; }

/* ---------------- Testimonials ---------------- */
.testimonial-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 40px;
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}
.testimonial-card .stars { color: var(--amber); font-size: 18px; letter-spacing: 3px; margin-bottom: 18px; }
.testimonial-card p.quote { font-size: 19px; color: var(--ink); font-style: italic; margin-bottom: 20px; }
.testimonial-card .author { font-family: var(--font-head); font-weight: 700; color: var(--ink); }
.testimonial-card .author span { display: block; font-weight: 400; color: var(--slate-500); font-size: 13px; }

/* ---------------- Blog ---------------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}
.blog-card {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--slate-200);
  background: var(--white);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.blog-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.blog-card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.blog-card .body { padding: 22px; }
.blog-card .meta { font-size: 12.5px; color: var(--slate-500); margin-bottom: 8px; }
.blog-card h3 { font-size: 18px; }
.blog-card p { color: var(--slate-500); font-size: 14.5px; }
.blog-card .read-more { color: var(--teal); font-weight: 700; font-size: 14px; }

/* ---------------- Forms ---------------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.form-grid .full { grid-column: 1 / -1; }
.field label {
  display: block;
  font-weight: 600;
  font-size: 13.5px;
  color: var(--ink);
  margin-bottom: 6px;
}
.field input, .field select, .field textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--slate-200);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink);
  background: var(--white);
  transition: border-color 0.15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--teal);
}
.field textarea { resize: vertical; min-height: 120px; }
.field .hint { font-size: 12.5px; color: var(--slate-500); margin-top: 4px; }
.alert {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 14.5px;
  margin-bottom: 22px;
}
.alert-success { background: #e6f7ee; color: #157347; border: 1px solid #b6e6c9; }
.alert-error { background: #fdecec; color: #b42318; border: 1px solid #f6c2c2; }

/* ---------------- FAQ ---------------- */
.faq-item {
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--ink);
  font-size: 15.5px;
}
.faq-q::after {
  content: '+';
  font-size: 22px;
  color: var(--teal);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
  padding: 0 24px;
  color: var(--slate-500);
  font-size: 14.5px;
}
.faq-item.open .faq-a {
  max-height: 600px;
  padding: 0 24px 22px;
}

/* ---------------- Cards panel (contact info) ---------------- */
.info-panel {
  background: var(--ink);
  color: var(--white);
  border-radius: var(--radius);
  padding: 36px;
}
.info-panel h3 { color: var(--white); font-size: 18px; margin-top: 22px; }
.info-panel h3:first-child { margin-top: 0; }
.info-panel a, .info-panel p { color: rgba(255,255,255,0.8); }
.info-panel .social { display: flex; gap: 12px; margin-top: 18px; }
.info-panel .social a {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
}
.info-panel .social a:hover { background: var(--teal); }

/* ---------------- Shop ---------------- */
.shop-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 40px;
  align-items: start;
}
.shop-filters { position: sticky; top: 104px; }
.shop-filters h4 { font-size: 14px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--slate-500); margin-bottom: 14px; }
.shop-filters ul { display: flex; flex-direction: column; gap: 6px; margin-bottom: 28px; }
.shop-filters a {
  display: block;
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  font-size: 14.5px;
  color: var(--slate-700);
  font-weight: 500;
}
.shop-filters a:hover, .shop-filters a.active { background: var(--slate-100); color: var(--ink); font-weight: 700; }

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 24px;
}
.product-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.product-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.product-card .thumb { aspect-ratio: 1/1; background: var(--slate-50); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.product-card .thumb img { width: 100%; height: 100%; object-fit: contain; padding: 10px; }
.product-card .body { padding: 16px 18px 20px; flex: 1; display: flex; flex-direction: column; }
.product-card .cat { font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--teal); font-weight: 700; margin-bottom: 6px; }
.product-card h3 { font-size: 15px; margin-bottom: 8px; flex: 1; }
.product-card .price { font-family: var(--font-head); font-weight: 700; color: var(--ink); font-size: 18px; margin-bottom: 12px; }

.product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}
.product-detail .thumb {
  background: var(--slate-50);
  border-radius: var(--radius);
  aspect-ratio: 1/1;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.product-detail .thumb img { width: 100%; height: 100%; object-fit: contain; padding: 30px; }
.product-detail .price { font-family: var(--font-head); font-size: 32px; font-weight: 800; color: var(--ink); margin: 14px 0 24px; }
.qty-row { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; }
.qty-stepper { display: flex; align-items: center; border: 1.5px solid var(--slate-200); border-radius: 999px; overflow: hidden; }
.qty-stepper button { background: var(--slate-50); border: none; width: 40px; height: 40px; font-size: 18px; cursor: pointer; color: var(--ink); }
.qty-stepper input { width: 46px; border: none; text-align: center; font-weight: 700; font-size: 15px; }

/* ---------------- Cart / checkout ---------------- */
.cart-table { width: 100%; border-collapse: collapse; }
.cart-table th { text-align: left; font-size: 12.5px; text-transform: uppercase; color: var(--slate-500); padding: 0 0 12px; border-bottom: 1px solid var(--slate-200); }
.cart-table td { padding: 18px 0; border-bottom: 1px solid var(--slate-200); vertical-align: middle; }
.cart-row-info { display: flex; align-items: center; gap: 16px; }
.cart-row-info img { width: 64px; height: 64px; object-fit: contain; background: var(--slate-50); border-radius: 8px; padding: 6px; }
.cart-row-info h4 { font-size: 15px; margin: 0; }
.cart-summary {
  background: var(--slate-50);
  border-radius: var(--radius);
  padding: 28px;
}
.cart-summary .row { display: flex; justify-content: space-between; margin-bottom: 12px; font-size: 15px; }
.cart-summary .total { font-family: var(--font-head); font-weight: 800; font-size: 20px; color: var(--ink); border-top: 1px solid var(--slate-200); padding-top: 14px; margin-top: 14px; }
.remove-link { color: #b42318; font-size: 13px; font-weight: 600; }

/* ---------------- Footer ---------------- */
.site-footer { background: var(--slate-900); color: rgba(255,255,255,0.7); padding: 72px 0 28px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-grid h4 { color: var(--white); font-size: 15px; margin-bottom: 18px; }
.footer-grid ul { display: flex; flex-direction: column; gap: 10px; }
.footer-grid a { font-size: 14px; color: rgba(255,255,255,0.65); }
.footer-grid a:hover { color: var(--teal-light); }
.footer-brand img { height: 38px; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; max-width: 320px; }
.footer-social { display: flex; gap: 10px; margin-top: 18px; }
.footer-social a {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
}
.footer-social a:hover { background: var(--teal); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 26px; font-size: 13px; flex-wrap: wrap; gap: 10px;
}
.footer-bottom a { color: var(--teal-light); }

/* ---------------- Utility ---------------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }

/* ---------------- Responsive ---------------- */
@media (max-width: 960px) {
  .split, .grid-2, .product-detail { grid-template-columns: 1fr; }
  .shop-layout { grid-template-columns: 1fr; }
  .shop-filters { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 780px) {
  .main-nav, .header-phone span { display: none; }
  .nav-toggle { display: block; }
  .site-header.nav-open .main-nav {
    display: flex;
    position: absolute;
    top: 84px; left: 0; right: 0;
    background: var(--ink);
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 4px;
  }
  .hero-content { padding: 100px 0 90px; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
}