/* ===================================================
   CBM Pool Heating – Main Stylesheet
   Modern CSS: custom properties, grid, clamp(), :has()
   =================================================== */

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

:root {
  --blue-900: #0c1a2e;
  --blue-800: #132338;
  --blue-700: #1a3352;
  --blue-600: #1e4a7a;
  --blue: #1e6bb5;
  --blue-light: #2d85d4;
  --cyan: #00b4d8;
  --cyan-light: #90e0ef;
  --gold: #f5a623;
  --gold-dark: #d4891a;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-400: #94a3b8;
  --gray-600: #475569;
  --gray-800: #1e293b;
  --text: #1e293b;
  --text-light: #475569;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,.08);
  --shadow-lg: 0 8px 40px rgba(0,0,0,.12);
  --transition: 0.2s ease;
  --max-w: 1200px;
  --section-py: clamp(3rem, 6vw, 5rem);
  --font: 'Inter', system-ui, -apple-system, sans-serif;
}

html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--blue); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--blue-light); }
ul, ol { list-style: none; }
address { font-style: normal; }

/* ---- Typography ---- */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--blue-900);
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); }
p { max-width: 70ch; }
.lead { font-size: clamp(1.05rem, 2vw, 1.2rem); color: var(--text-light); }

/* ---- Layout ---- */
.container {
  width: min(100%, var(--max-w));
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
}
.section { padding-block: var(--section-py); }
.bg-light { background: var(--gray-50); }
.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.65rem 1.5rem;
  border-radius: 50px;
  font-family: var(--font);
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--blue); color: var(--white); border-color: var(--blue);
}
.btn-primary:hover { background: var(--blue-light); border-color: var(--blue-light); color: var(--white); }
.btn-outline {
  background: transparent; color: var(--blue); border-color: var(--blue);
}
.btn-outline:hover { background: var(--blue); color: var(--white); }
.btn-white {
  background: var(--white); color: var(--blue-900); border-color: var(--white);
}
.btn-white:hover { background: var(--gray-100); }
.btn-lg { padding: 0.85rem 2rem; font-size: 1.05rem; }
.btn-full { width: 100%; }

/* ---- Eyebrow / Section labels ---- */
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue);
  background: rgba(30,107,181,.1);
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  margin-bottom: 0.75rem;
}
.section-header {
  text-align: center;
  max-width: 680px;
  margin-inline: auto;
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
}
.section-header p { margin-inline: auto; color: var(--text-light); }
.section-cta { text-align: center; margin-top: 2.5rem; }

/* ========== HEADER ========== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow); }
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding-block: 0.9rem;
  gap: 1rem;
}
.logo {
  display: flex; align-items: center; gap: 0.5rem;
  text-decoration: none; color: var(--blue-900);
}
.logo-icon { font-size: 1.5rem; }
.logo-text { font-size: 1.1rem; font-weight: 600; white-space: nowrap; }
.logo-text strong { color: var(--blue); }
.logo--light { color: var(--white); }
.logo--light .logo-text strong { color: var(--cyan-light); }
.logo-img {
  height: 52px;
  width: 52px;
  object-fit: contain;
  object-position: center;
  display: block;
  aspect-ratio: 1 / 1;
}
.logo-img--light {
  filter: brightness(0) invert(1);
}

.primary-nav {
  display: flex; align-items: center; gap: 2rem;
}
.primary-nav ul {
  display: flex; align-items: center; gap: 1.5rem;
}
.primary-nav a {
  font-weight: 500; color: var(--gray-800); font-size: 0.95rem;
  position: relative; padding-bottom: 2px;
}
.primary-nav a::after {
  content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px;
  background: var(--blue); border-radius: 2px; transition: width var(--transition);
}
.primary-nav a:hover::after,
.primary-nav a.active::after { width: 100%; }
.primary-nav a.active { color: var(--blue); }
.nav-cta { margin-left: 0.5rem; }

.nav-toggle {
  display: none;
  flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer;
  padding: 6px; border-radius: var(--radius-sm);
}
.nav-toggle span {
  display: block; width: 24px; height: 2px;
  background: var(--gray-800); border-radius: 2px;
  transition: all 0.3s ease;
}

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: clamp(60vh, 80vh, 90vh);
  display: flex; align-items: center;
  overflow: hidden;
  background: var(--blue-900);
}
.hero-bg {
  position: absolute; inset: 0;
  background: url("../assets/hero-pool-house.jpg") center center / cover no-repeat;
}
.hero-bg::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(
    135deg,
    rgba(12,26,46,.82) 0%,
    rgba(26,51,82,.65) 50%,
    rgba(12,26,46,.55) 100%
  );
}

.hero-content {
  position: relative; z-index: 1;
  padding-block: clamp(4rem, 8vw, 6rem);
  color: var(--white);
}
.hero-eyebrow {
  display: inline-block;
  font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--cyan-light); background: rgba(0,180,216,.15);
  padding: 0.25rem 0.75rem; border-radius: 50px;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(0,180,216,.3);
}
.hero h1 { color: var(--white); margin-bottom: 1.25rem; }
.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem); color: rgba(255,255,255,.8);
  max-width: 56ch; margin-bottom: 2.5rem;
}
.hero-cta-group { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 3rem; }
.hero .btn-outline {
  color: var(--white); border-color: rgba(255,255,255,.5);
}
.hero .btn-outline:hover { background: rgba(255,255,255,.1); border-color: var(--white); }

.hero-badges {
  display: flex; flex-wrap: wrap; gap: 0.75rem;
}
.hero-badges li {
  display: flex; align-items: center; gap: 0.5rem;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 50px;
  padding: 0.4rem 1rem;
  font-size: 0.85rem; color: rgba(255,255,255,.9);
}
.badge-icon { font-size: 1rem; }

/* ========== CARDS GRID ========== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
  gap: 1.5rem;
}
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: 0;
  overflow: hidden;
  display: flex; flex-direction: column; gap: 0;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card-photo {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  flex-shrink: 0;
}
.card > *:not(.card-photo) { padding-inline: 1.75rem; }
.card > .card-icon { padding-top: 1.5rem; }
.card > .btn { padding-inline: 1.75rem; margin-bottom: 1.75rem; align-self: flex-start; }
.card > h3 { padding-top: 0.25rem; }
.card > p { padding-bottom: 0; }
.card > .card-list { padding-bottom: 0.25rem; }
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.card--featured {
  border-color: var(--blue);
  box-shadow: 0 0 0 2px rgba(30,107,181,.15), var(--shadow);
  position: relative;
}
.card--featured::before {
  content: "Most Popular";
  position: absolute;
  top: 0.75rem; left: 0.75rem;
  font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--white); background: var(--blue);
  padding: 0.2rem 0.75rem; border-radius: 50px;
  z-index: 1;
}
.card-icon { font-size: 2.5rem; }
.card h3 { margin-bottom: 0; }
.card p { color: var(--text-light); flex: 1; }
.card-list {
  display: flex; flex-direction: column; gap: 0.4rem;
  margin-bottom: 0.5rem;
}
.card-list li {
  display: flex; align-items: flex-start; gap: 0.5rem;
  font-size: 0.9rem; color: var(--text-light);
}
.card-list li::before { content: '✓'; color: var(--blue); font-weight: 700; flex-shrink: 0; }

/* ========== FEATURES GRID ========== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
  gap: 2rem;
}
.feature {
  display: flex; flex-direction: column; gap: 0.75rem;
}
.feature-icon { font-size: 2rem; }
.feature h3 { font-size: 1.1rem; }
.feature p { font-size: 0.93rem; color: var(--text-light); }

/* ========== STEPS ========== */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr));
  gap: 2rem;
  counter-reset: none;
}
.step {
  display: flex; flex-direction: column; gap: 1rem;
  padding: 1.75rem;
  background: var(--gray-50);
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  position: relative;
}
.step-number {
  font-size: 2.5rem; font-weight: 800;
  color: var(--blue); opacity: 0.2;
  line-height: 1;
}
.step-content h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }
.step-content p { font-size: 0.9rem; color: var(--text-light); }

/* ========== CTA BANNER ========== */
.cta-banner {
  background: linear-gradient(135deg, var(--blue-700) 0%, var(--blue) 100%);
  padding-block: clamp(3rem, 5vw, 4.5rem);
}
.cta-inner {
  display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap; gap: 2rem;
}
.cta-text h2 { color: var(--white); margin-bottom: 0.5rem; }
.cta-text p { color: rgba(255,255,255,.8); max-width: 55ch; }

/* ========== FOOTER ========== */
.site-footer {
  background: var(--blue-900);
  color: rgba(255,255,255,.7);
  padding-top: clamp(2.5rem, 5vw, 4rem);
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-brand p { font-size: 0.9rem; margin-top: 1rem; max-width: 30ch; }
.footer-nav h3, .footer-services h3, .footer-contact h3 {
  color: var(--white); font-size: 0.9rem; margin-bottom: 1rem;
  text-transform: uppercase; letter-spacing: 0.1em;
}
.footer-nav ul, .footer-services ul {
  display: flex; flex-direction: column; gap: 0.5rem;
}
.footer-nav a, .footer-services a {
  color: rgba(255,255,255,.7); font-size: 0.9rem;
  transition: color var(--transition);
}
.footer-nav a:hover, .footer-services a:hover { color: var(--white); }
.footer-contact address { display: flex; flex-direction: column; gap: 0.6rem; }
.footer-contact p { font-size: 0.9rem; color: rgba(255,255,255,.7); }
.footer-contact a { color: var(--cyan-light); }
.footer-contact a:hover { color: var(--white); }
.footer-bottom {
  padding-block: 1.25rem;
  text-align: center;
}
.footer-bottom p { font-size: 0.85rem; }
.footer-bottom a { color: var(--cyan-light); }

/* ========== PAGE HERO (inner pages) ========== */
.page-hero {
  background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-700) 100%);
  padding-block: clamp(3rem, 6vw, 5rem);
  color: var(--white);
}
.page-hero .eyebrow { color: var(--cyan-light); background: rgba(0,180,216,.15); border: 1px solid rgba(0,180,216,.3); }
.page-hero h1 { color: var(--white); margin-block: 0.75rem; }
.page-hero p { color: rgba(255,255,255,.8); max-width: 60ch; font-size: 1.1rem; }

/* ========== SERVICE DETAIL ========== */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.service-detail--reverse { direction: rtl; }
.service-detail--reverse > * { direction: ltr; }
.service-detail__media { position: sticky; top: 100px; }
.service-illustration {
  font-size: 8rem;
  display: flex; align-items: center; justify-content: center;
  background: var(--gray-100);
  border-radius: var(--radius-lg);
  aspect-ratio: 1;
}
.service-photo {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  object-fit: cover;
  aspect-ratio: 4 / 3;
  box-shadow: var(--shadow-lg);
  display: block;
}
.service-detail__content { display: flex; flex-direction: column; gap: 1.25rem; }
.service-detail__content h2 { margin-top: 0.25rem; }
.numbered-list {
  display: flex; flex-direction: column; gap: 0.6rem;
  list-style: decimal; padding-left: 1.5rem;
  color: var(--text-light);
}
.check-list { display: flex; flex-direction: column; gap: 0.5rem; }
.check-list li {
  display: flex; gap: 0.6rem; align-items: flex-start;
  font-size: 0.95rem; color: var(--text-light);
}
.check-list li::before { content: '✓'; color: var(--blue); font-weight: 700; flex-shrink: 0; margin-top: 1px; }

/* ========== COMPARISON TABLE ========== */
.comparison-table-wrapper { overflow-x: auto; margin-bottom: 1.5rem; }
.comparison-table {
  width: 100%; border-collapse: collapse;
  font-size: 0.93rem;
}
.comparison-table th, .comparison-table td {
  padding: 0.85rem 1rem;
  border: 1px solid var(--gray-200);
  text-align: left;
}
.comparison-table thead th {
  background: var(--blue-900); color: var(--white);
  font-weight: 600;
}
.comparison-table thead th:first-child { background: var(--gray-800); }
.comparison-table tbody tr:nth-child(even) td { background: var(--gray-50); }
.comparison-table td:first-child { font-weight: 600; color: var(--gray-800); }
.positive { color: #15803d; }
.neutral { color: var(--text-light); }
.table-note { font-size: 0.9rem; color: var(--text-light); }
.table-note a { color: var(--blue); }

/* ========== ABOUT PAGE ========== */
.about-grid {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.about-content { display: flex; flex-direction: column; gap: 1.25rem; }
.about-content h2 { margin-bottom: 0; }
.about-values { display: flex; flex-direction: column; gap: 1rem; }
.value-card {
  display: flex; gap: 1rem;
  background: var(--gray-50);
  border-radius: var(--radius);
  padding: 1.25rem;
  border: 1px solid var(--gray-200);
}
.value-icon { font-size: 1.5rem; flex-shrink: 0; }
.value-card h3 { font-size: 1rem; margin-bottom: 0.25rem; }
.value-card p { font-size: 0.88rem; color: var(--text-light); }

.climate-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr));
  gap: 1.5rem;
}
.climate-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  padding: 1.75rem;
  display: flex; flex-direction: column; gap: 0.75rem;
}
.climate-icon { font-size: 2rem; }
.climate-card h3 { font-size: 1.05rem; }
.climate-card p { font-size: 0.9rem; color: var(--text-light); }

.diff-list { display: flex; flex-direction: column; gap: 0; }
.diff-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  padding-block: 2rem;
  border-bottom: 1px solid var(--gray-200);
  align-items: start;
}
.diff-item:last-child { border-bottom: none; }
.diff-num {
  font-size: 2.5rem; font-weight: 800; color: var(--blue);
  opacity: 0.2; line-height: 1; width: 3rem;
}
.diff-item h3 { margin-bottom: 0.4rem; }
.diff-item p { font-size: 0.93rem; color: var(--text-light); }

/* ========== CONTACT PAGE ========== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.contact-info h2 { margin-bottom: 0.75rem; }
.contact-info > p { color: var(--text-light); margin-bottom: 1.5rem; }
.contact-cards { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 2rem; }
.contact-card {
  display: flex; gap: 1rem; align-items: flex-start;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.contact-card-icon { font-size: 1.5rem; flex-shrink: 0; }
.contact-card h3 { font-size: 0.95rem; font-weight: 600; margin-bottom: 0.3rem; }
.contact-card p { font-size: 0.88rem; color: var(--text-light); margin-bottom: 0; }
.contact-card a { color: var(--blue); }

.quote-tips {
  background: rgba(30,107,181,.05);
  border: 1px solid rgba(30,107,181,.2);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
}
.quote-tips h3 { font-size: 0.95rem; margin-bottom: 0.75rem; color: var(--blue-700); }
.quote-tips ul { display: flex; flex-direction: column; gap: 0.4rem; }
.quote-tips li {
  display: flex; gap: 0.5rem; font-size: 0.88rem; color: var(--text-light);
}
.quote-tips li::before { content: '→'; color: var(--blue); flex-shrink: 0; }

/* Contact form */
.contact-form-wrap {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  box-shadow: var(--shadow);
}
.contact-form-wrap h2 { margin-bottom: 1.5rem; }
.contact-form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label {
  font-size: 0.88rem; font-weight: 600; color: var(--gray-800);
}
.form-group label span { color: var(--blue); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.7rem 1rem;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-family: var(--font); font-size: 0.95rem; color: var(--text);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(30,107,181,.12);
}
.form-group input:user-invalid,
.form-group select:user-invalid,
.form-group textarea:user-invalid {
  border-color: #dc2626;
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-check { flex-direction: row; align-items: flex-start; gap: 0.75rem; }
.form-check input { width: auto; margin-top: 2px; flex-shrink: 0; }
.form-check label { font-weight: 400; font-size: 0.85rem; cursor: pointer; }
.form-note { font-size: 0.8rem; color: var(--gray-400); text-align: center; }
.form-success, .form-error {
  display: flex; align-items: flex-start; gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}
.form-success { background: #f0fdf4; border: 1px solid #86efac; color: #15803d; }
.form-error { background: #fef2f2; border: 1px solid #fca5a5; color: #dc2626; }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 0; max-width: 800px; margin-inline: auto; }
.faq-item {
  border-bottom: 1px solid var(--gray-200);
}
.faq-item:first-child { border-top: 1px solid var(--gray-200); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.25rem 0;
  font-weight: 600; font-size: 1rem;
  display: flex; justify-content: space-between; align-items: center;
  gap: 1rem;
  color: var(--gray-800);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.4rem; font-weight: 400; color: var(--blue);
  flex-shrink: 0; line-height: 1;
  transition: transform 0.2s;
}
.faq-item[open] summary::after { content: '–'; }
.faq-answer { padding-bottom: 1.25rem; }
.faq-answer p { color: var(--text-light); font-size: 0.93rem; }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .service-detail { grid-template-columns: 1fr; }
  .service-detail--reverse { direction: ltr; }
  .service-detail__media { position: static; }
  .service-illustration { font-size: 5rem; max-width: 200px; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .primary-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--white);
    flex-direction: column; gap: 0;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-lg);
    max-height: 0; overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
  }
  .primary-nav.open {
    max-height: 400px;
    padding-block: 1rem;
  }
  .primary-nav ul { flex-direction: column; gap: 0; width: 100%; }
  .primary-nav ul a { display: block; padding: 0.75rem 1.5rem; }
  .primary-nav ul a::after { display: none; }
  .nav-cta { margin: 1rem 1.5rem; }
  .site-header { position: relative; }
  .hero-cta-group { flex-direction: column; }
  .cards-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr 1fr; }
  .cta-inner { flex-direction: column; text-align: center; }
  .cta-text p { margin-inline: auto; }
  .footer-inner { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .features-grid { grid-template-columns: 1fr; }
  .hero-badges { flex-direction: column; gap: 0.5rem; }
}

/* ===== Nav toggle animation ===== */
.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);
}