:root {
  --navy: #1a2744;
  --navy-light: #243656;
  --teal: #0d9488;
  --teal-dark: #0f766e;
  --teal-soft: #ccfbf1;
  --slate: #64748b;
  --slate-light: #94a3b8;
  --bg: #f8fafc;
  --white: #ffffff;
  --border: #e2e8f0;
  --shadow: 0 4px 24px rgba(26, 39, 68, 0.08);
  --radius: 12px;
  --max: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  color: var(--navy);
  background: var(--bg);
  line-height: 1.6;
}

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

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

a:hover {
  text-decoration: underline;
}

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  gap: 1rem;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--navy);
}

.logo-link img {
  height: 40px;
  width: auto;
}

.logo-text {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-desktop a {
  color: var(--navy);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
}

.nav-desktop a:hover {
  color: var(--teal);
}

.nav-desktop a.nav-active,
.nav-mobile a.nav-active {
  color: var(--teal);
  font-weight: 600;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--navy);
}

.nav-mobile {
  display: none;
  flex-direction: column;
  padding: 1rem 0;
  border-top: 1px solid var(--border);
}

.nav-mobile.open {
  display: flex;
}

.nav-mobile a {
  padding: 0.6rem 0;
  color: var(--navy);
  font-weight: 500;
  text-decoration: none;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.35rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.btn-primary {
  background: var(--teal);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--teal-dark);
  text-decoration: none;
  color: var(--white);
}

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

.btn-secondary:hover {
  border-color: var(--teal);
  color: var(--teal-dark);
  text-decoration: none;
}

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

.btn-navy:hover {
  background: var(--navy-light);
  text-decoration: none;
  color: var(--white);
}

/* Hero */
.hero {
  background: var(--navy);
  color: var(--white);
  padding: 4.5rem 0 5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  background: rgba(13, 148, 136, 0.2);
  color: var(--teal-soft);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1rem;
  border: 1px solid rgba(13, 148, 136, 0.4);
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 2.85rem);
  line-height: 1.15;
  margin: 0 0 1rem;
  letter-spacing: -0.03em;
}

.hero-lead {
  font-size: 1.15rem;
  color: #cbd5e1;
  margin-bottom: 1.75rem;
  max-width: 34rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  font-size: 0.85rem;
  color: var(--slate-light);
}

.hero-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.hero-card h3 {
  margin: 0 0 1rem;
  font-size: 1rem;
  color: var(--teal-soft);
}

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

.stat {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 8px;
  padding: 1rem;
}

.stat strong {
  display: block;
  font-size: 1.5rem;
  color: var(--white);
}

.stat span {
  font-size: 0.8rem;
  color: #94a3b8;
}

/* Sections */
section {
  padding: 4.5rem 0;
}

.section-header {
  text-align: center;
  max-width: 40rem;
  margin: 0 auto 3rem;
}

.section-header h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.section-header p {
  color: var(--slate);
  margin: 0;
  font-size: 1.05rem;
}

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

/* Problem grid */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.problem-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.problem-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  color: var(--teal-dark);
}

.problem-card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--slate);
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.feature-icon {
  width: 44px;
  height: 44px;
  background: var(--teal-soft);
  color: var(--teal-dark);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.feature-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--slate);
}

/* Packages */
.packages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.package-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  position: relative;
  box-shadow: var(--shadow);
}

.package-card.featured {
  border-color: var(--teal);
  box-shadow: 0 8px 32px rgba(13, 148, 136, 0.15);
}

.package-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--teal);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.85rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.package-card h3 {
  margin: 0.5rem 0 0.25rem;
  font-size: 1.35rem;
}

.package-tagline {
  color: var(--slate);
  font-size: 0.9rem;
  margin: 0 0 1.25rem;
  min-height: 2.8rem;
}

.package-price {
  margin-bottom: 0.25rem;
}

.package-price strong {
  font-size: 2rem;
  letter-spacing: -0.03em;
}

.package-price span {
  font-size: 0.9rem;
  color: var(--slate);
}

.package-support {
  font-size: 0.85rem;
  color: var(--slate);
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.package-benefits {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
}

.package-benefits li {
  padding: 0.4rem 0 0.4rem 1.5rem;
  position: relative;
  font-size: 0.9rem;
}

.package-benefits li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--teal);
  font-weight: 700;
}

.package-benefits li.muted {
  color: var(--slate-light);
}

.package-benefits li.muted::before {
  content: "—";
  color: var(--slate-light);
}

.package-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.meta-pill {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  color: var(--slate);
}

.package-card .btn {
  width: 100%;
}

/* Compare table */
.compare-wrap {
  overflow-x: auto;
  margin-top: 3rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

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

.compare-table th {
  background: var(--navy);
  color: var(--white);
  font-weight: 600;
}

.compare-table th:first-child {
  border-radius: var(--radius) 0 0 0;
}

.compare-table tr:last-child td {
  border-bottom: none;
}

.compare-table td:not(:first-child) {
  text-align: center;
}

.check {
  color: var(--teal);
  font-weight: 700;
}

.dash {
  color: var(--slate-light);
}

/* How it works */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.step {
  text-align: center;
}

.step-num {
  width: 40px;
  height: 40px;
  background: var(--teal);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin: 0 auto 1rem;
}

.step h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.step p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--slate);
}

/* Architecture */
.arch-diagram {
  background: var(--navy);
  color: #cbd5e1;
  border-radius: var(--radius);
  padding: 2rem;
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 0.78rem;
  line-height: 1.5;
  overflow-x: auto;
  white-space: pre;
}

/* CTA band */
.cta-band {
  background: var(--teal);
  color: var(--white);
  text-align: center;
  padding: 3.5rem 0;
}

.cta-band h2 {
  margin: 0 0 0.75rem;
  font-size: 1.85rem;
}

.cta-band p {
  margin: 0 0 1.5rem;
  opacity: 0.95;
  max-width: 32rem;
  margin-inline: auto;
}

.cta-band .btn-secondary {
  border-color: transparent;
}

/* Footer */
.site-footer {
  background: var(--navy);
  color: #94a3b8;
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand p {
  font-size: 0.9rem;
  margin: 0.75rem 0 0;
  max-width: 22rem;
}

.footer-col h4 {
  color: var(--white);
  margin: 0 0 1rem;
  font-size: 0.9rem;
}

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

.footer-col li {
  margin-bottom: 0.5rem;
}

.footer-col a {
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.9rem;
}

.footer-col a:hover {
  color: var(--teal-soft);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  font-size: 0.8rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Inner pages */
.page-hero {
  background: var(--navy);
  color: var(--white);
  padding: 3rem 0;
}

.page-hero h1 {
  margin: 0 0 0.5rem;
  font-size: 2.25rem;
}

.page-hero p {
  margin: 0;
  color: #cbd5e1;
}

.content-block {
  max-width: 42rem;
}

.content-block h2 {
  margin-top: 2rem;
  font-size: 1.35rem;
}

.content-block p,
.content-block li {
  color: var(--slate);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-form {
  max-width: 32rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

/* Academy promo (homepage) */
.academy-promo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.academy-promo-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: 0 4px 20px rgba(26, 39, 68, 0.06);
}

.academy-promo-card.featured {
  border-color: var(--teal);
  background: linear-gradient(135deg, #fff 0%, #f0fdfa 100%);
}

.academy-promo-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--teal-dark);
  background: var(--teal-soft);
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
  margin-bottom: 0.75rem;
}

.academy-promo-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  color: var(--navy);
}

.academy-promo-card p {
  color: var(--slate);
  font-size: 0.95rem;
  line-height: 1.55;
  margin: 0 0 1rem;
}

.academy-promo-meta {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.academy-promo-meta li {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--slate);
  background: var(--bg);
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  border: 1px solid var(--border);
}

/* Responsive */
@media (max-width: 900px) {
  .hero-grid,
  .problem-grid,
  .features-grid,
  .packages-grid,
  .academy-promo-grid,
  .steps,
  .footer-grid,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .nav-desktop {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .hero {
    padding: 3rem 0;
  }

  .package-card.featured {
    order: -1;
  }
}

@media (min-width: 901px) {
  .nav-mobile {
    display: none !important;
  }
}