:root {
  --navy:        #0F2C56;
  --navy-dark:   #081C3A;
  --navy-soft:   #1B4380;
  --red:         #C8102E;
  --red-dark:    #A50D24;
  --ink:         #1F2937;
  --ink-muted:   #4B5563;
  --rule:        #E5E7EB;
  --bg-soft:     #F5F7FA;
  --white:       #FFFFFF;
  --shadow-sm:   0 1px 2px rgba(15, 44, 86, 0.06), 0 1px 3px rgba(15, 44, 86, 0.10);
  --shadow-md:   0 4px 6px rgba(15, 44, 86, 0.05), 0 10px 15px rgba(15, 44, 86, 0.10);
  --radius:      6px;
  --radius-lg:   10px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Noto Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--white);
}

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

a { color: var(--navy-soft); text-decoration: none; }
a:hover { color: var(--red); }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ─────── Header ─────── */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--rule);
  position: sticky;
  top: 0;
  z-index: 10;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.site-header__logo img {
  height: 44px;
  width: auto;
}

.site-header__cta {
  font-weight: 600;
  font-size: 14px;
  color: var(--navy);
  padding: 8px 18px;
  border: 2px solid var(--navy);
  border-radius: var(--radius);
  transition: background 0.15s, color 0.15s;
}

.site-header__cta:hover {
  background: var(--navy);
  color: var(--white);
}

/* ─────── Hero ─────── */
.hero {
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 60%, var(--navy-soft) 100%);
  color: var(--white);
  padding: 80px 0 96px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.06) 0%, transparent 40%),
    radial-gradient(circle at 10% 90%, rgba(200,16,46,0.10) 0%, transparent 40%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
}

.hero__eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 13px;
  font-weight: 600;
  color: #98B4E0;
  margin: 0 0 12px;
}

.hero__title {
  font-size: 60px;
  font-weight: 700;
  line-height: 1.05;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
}

.hero__tagline {
  font-size: 22px;
  font-weight: 400;
  margin: 0 0 20px;
  color: #DCE6F5;
  font-style: italic;
}

.hero__intro {
  font-size: 17px;
  line-height: 1.65;
  margin: 0 0 32px;
  color: #E6EDF8;
  max-width: 540px;
}

.hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__visual img {
  max-width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px rgba(0,0,0,0.35);
  background: rgba(255,255,255,0.04);
  padding: 16px;
}

/* ─────── Buttons ─────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: inherit;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform 0.08s ease-out, background 0.15s, box-shadow 0.15s;
  text-decoration: none;
  border: none;
}

.btn--primary {
  background: var(--red);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn--primary:hover {
  background: var(--red-dark);
  color: var(--white);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--navy);
}

.btn--ghost:hover {
  background: var(--navy);
  color: var(--white);
  transform: translateY(-1px);
}

.btn--lg {
  font-size: 17px;
  padding: 14px 28px;
}

.btn__arrow {
  transition: transform 0.15s;
}

.btn:hover .btn__arrow {
  transform: translateX(4px);
}

/* ─────── Features ─────── */
.features {
  padding: 88px 0;
  background: var(--bg-soft);
}

.section-title {
  text-align: center;
  font-size: 32px;
  font-weight: 700;
  color: var(--navy);
  margin: 0 0 48px;
  letter-spacing: -0.01em;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature {
  background: var(--white);
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--rule);
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s, box-shadow 0.15s;
}

.feature:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.feature__icon {
  width: 44px;
  height: 44px;
  fill: var(--red);
  margin-bottom: 16px;
}

.feature__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
  margin: 0 0 10px;
}

.feature__body {
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-muted);
  margin: 0;
}

.feature__list {
  margin: 14px 0 0;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-muted);
}

.feature__list li {
  margin-bottom: 8px;
}

.feature__list li:last-child {
  margin-bottom: 0;
}

/* ─────── Info (Sales + Service Locator) ─────── */
.info {
  padding: 88px 0;
  background: var(--white);
}

.info__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.info-card {
  background: var(--bg-soft);
  padding: 36px 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--rule);
}

.info-card__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
  margin: 0 0 12px;
}

.info-card__body {
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-muted);
  margin: 0 0 20px;
}

.info-card__link {
  font-weight: 600;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ─────── Resources (About Allison Authorized) ─────── */
.resources {
  padding: 88px 0;
  background: var(--bg-soft);
}

.resources__lead {
  text-align: center;
  font-size: 17px;
  color: var(--ink-muted);
  max-width: 680px;
  margin: -32px auto 36px;
}

.accordion {
  max-width: 760px;
  margin: 0 auto;
  background: var(--white);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.accordion__summary {
  cursor: pointer;
  list-style: none;
  padding: 20px 28px;
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  position: relative;
}

.accordion__summary::-webkit-details-marker {
  display: none;
}

.accordion__summary::after {
  content: '+';
  position: absolute;
  right: 28px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 24px;
  font-weight: 400;
  color: var(--red);
  transition: transform 0.15s;
}

.accordion[open] .accordion__summary::after {
  content: '−';
}

.accordion__list {
  margin: 0;
  padding: 0 28px 24px 28px;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px 28px;
  border-top: 1px solid var(--rule);
  padding-top: 24px;
}

.accordion__list li {
  font-size: 15px;
  color: var(--ink);
  padding-left: 22px;
  position: relative;
}

.accordion__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--red);
  font-weight: 700;
}

.resources__cta {
  display: inline-flex;
  margin: 36px auto 0;
}

.resources .container {
  text-align: center;
}

/* ─────── Pricing ─────── */
.pricing {
  padding: 88px 0;
  background: var(--white);
}

.pricing__lead {
  text-align: center;
  font-size: 17px;
  color: var(--ink-muted);
  max-width: 680px;
  margin: -32px auto 44px;
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 860px;
  margin: 0 auto;
  align-items: stretch;
}

.plan {
  display: flex;
  flex-direction: column;
  background: var(--white);
  padding: 36px 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--rule);
  box-shadow: var(--shadow-sm);
}

.plan--featured {
  border: 2px solid var(--navy);
  box-shadow: var(--shadow-md);
  position: relative;
}

.plan__badge {
  position: absolute;
  top: -13px;
  left: 32px;
  background: var(--red);
  color: var(--white);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 12px;
  border-radius: var(--radius);
  margin: 0;
}

.plan__name {
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  margin: 0 0 8px;
}

.plan__price {
  margin: 0 0 4px;
}

.plan__amount {
  font-size: 34px;
  font-weight: 700;
  color: var(--ink);
}

.plan__tagline {
  font-size: 15px;
  color: var(--ink-muted);
  margin: 0 0 20px;
}

.plan__list {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  flex: 1;
}

.plan__list li {
  font-size: 15px;
  color: var(--ink);
  padding: 8px 0 8px 26px;
  position: relative;
  border-top: 1px solid var(--rule);
}

.plan__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--red);
  font-weight: 700;
}

.plan__cta {
  justify-content: center;
  width: 100%;
}

.plan__cta--secondary {
  margin-top: 10px;
}

.plan__note {
  font-size: 13px;
  color: var(--ink-muted);
  text-align: center;
  margin: 12px 0 0;
}

/* ─────── CTA band ─────── */
.cta-band {
  background: var(--navy);
  color: var(--white);
  padding: 64px 0;
}

.cta-band__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.cta-band__title {
  font-size: 28px;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.01em;
}

/* ─────── Footer ─────── */
.site-footer {
  background: var(--navy-dark);
  color: #B4C2D6;
  padding: 32px 0;
  font-size: 14px;
}

.site-footer__inner {
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: center;
}

.site-footer__copy {
  margin: 0;
  color: #DCE6F5;
}

.site-footer a {
  color: #98B4E0;
  font-weight: 600;
}

.site-footer a:hover {
  color: var(--white);
}

.site-footer strong {
  color: var(--white);
}

.site-footer__disclaimer {
  margin: 0;
  font-size: 12px;
  color: #8AA0BD;
}

/* ─────── Responsive ─────── */
@media (max-width: 900px) {
  .hero { padding: 56px 0 64px; }
  .hero__inner { grid-template-columns: 1fr; gap: 36px; }
  .hero__title { font-size: 44px; }
  .hero__tagline { font-size: 19px; }
  .features { padding: 64px 0; }
  .features__grid { grid-template-columns: 1fr; gap: 18px; }
  .section-title { font-size: 26px; margin-bottom: 32px; }
  .info { padding: 64px 0; }
  .info__grid { grid-template-columns: 1fr; gap: 18px; }
  .pricing { padding: 64px 0; }
  .pricing__lead { margin-top: -16px; }
  .pricing__grid { grid-template-columns: 1fr; gap: 22px; }
  .resources { padding: 64px 0; }
  .resources__lead { margin-top: -16px; }
  .accordion__list { grid-template-columns: 1fr; }
  .cta-band__inner { flex-direction: column; text-align: center; }
  .cta-band__title { font-size: 23px; }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .site-header__cta { padding: 6px 12px; font-size: 13px; }
  .hero__title { font-size: 36px; }
  .btn--lg { font-size: 15px; padding: 12px 22px; }
}