:root {
  --bg-dark: #0B1220;
  --bg-dark-2: #14203A;
  --bg-light: #FFFFFF;
  --bg-light-2: #F5F7FB;
  --brand: #2563EB;
  --text-dark: #0B1220;
  --text-light: #EAF0FF;
  --muted-dark: rgba(11,18,32,.7);
  --muted-light: rgba(234,240,255,.75);
  --border-light: rgba(11,18,32,.12);
  --border-dark: rgba(234,240,255,.14);
  --radius: 18px;
  --maxw: 1120px;
  --measure: 68ch;
}

* {
  box-sizing: border-box;
}

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

body {
  font-family: "Sora", "Avenir Next", "Helvetica Neue", sans-serif;
  background: var(--bg-light);
  color: var(--text-dark);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

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

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
}

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

.container {
  width: min(var(--maxw), calc(100% - 3rem));
  margin-inline: auto;
}

.section {
  padding: clamp(3.2rem, 7vw, 6.2rem) 0;
}

.section--hero,
.section--dark {
  background: var(--bg-dark);
  color: var(--text-light);
}

.section--hero {
  padding-top: clamp(5.2rem, 9vw, 7.2rem);
}

.section--light {
  background: var(--bg-light);
  color: var(--text-dark);
}

.section--light.alt {
  background: var(--bg-light-2);
}

.section--highlight {
  background: var(--bg-light);
  color: var(--text-dark);
}

.section--highlight.alt {
  background: var(--bg-light-2);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid var(--border-light);
}

.nav-wrap {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
}

.brand-mark {
  height: 34px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  gap: 1rem;
  align-items: center;
  color: var(--muted-dark);
}

.nav-links a {
  padding: 0.3rem 0;
  border-bottom: 1px solid transparent;
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text-dark);
  border-color: rgba(11, 18, 32, 0.35);
}

.nav-links .nav-cta {
  font-weight: 700;
  color: var(--text-dark);
  border-bottom: 1px solid transparent;
  padding: 0.3rem 0;
}

.nav-links .nav-cta:hover {
  border-color: rgba(11, 18, 32, 0.35);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 0.7rem 1.15rem;
  font-weight: 600;
  line-height: 1.15;
  white-space: nowrap;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

.btn-primary {
  background: var(--brand);
  color: #ffffff;
}

.btn-primary:hover {
  background: #1f56d2;
}

.btn-secondary {
  background: transparent;
  border-color: var(--border-light);
  color: var(--text-dark);
}

.btn-secondary:hover {
  border-color: rgba(11,18,32,.35);
  background: rgba(11,18,32,.04);
}

.section--hero .btn-secondary,
.section--dark .btn-secondary,
.panel--dark .btn-secondary,
.panel--brand .btn-secondary {
  border-color: var(--border-dark);
  color: var(--text-light);
}

.section--hero .btn-secondary:hover,
.section--dark .btn-secondary:hover,
.panel--dark .btn-secondary:hover,
.panel--brand .btn-secondary:hover {
  background: rgba(234,240,255,.09);
  border-color: rgba(234,240,255,.34);
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.12;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.1rem, 5vw, 4rem);
  max-width: 16ch;
}

h2 {
  font-size: clamp(1.55rem, 3vw, 2.5rem);
  max-width: 24ch;
}

h3 {
  font-size: clamp(1.1rem, 2vw, 1.45rem);
}

p {
  margin: 0;
  max-width: var(--measure);
  color: var(--muted-dark);
}

.section--hero p,
.section--dark p,
.panel--dark p,
.panel--brand p {
  color: var(--muted-light);
}

.eyebrow {
  margin: 0 0 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  font-size: 0.78rem;
  font-weight: 650;
  color: rgba(11,18,32,.65);
}

.section--hero .eyebrow,
.section--dark .eyebrow,
.panel--dark .eyebrow,
.panel--brand .eyebrow {
  color: rgba(234,240,255,.78);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 60%) minmax(0, 40%);
  gap: clamp(1.4rem, 4vw, 3.2rem);
  align-items: center;
}

.hero-copy {
  display: grid;
  gap: 1.3rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.principles-inline {
  display: grid;
  gap: 0.34rem;
  margin-top: 0.05rem;
}

.principle-line {
  display: inline-flex;
  align-items: baseline;
  gap: 0.52rem;
  font-size: 0.92rem;
  line-height: 1.35;
  letter-spacing: 0.01em;
  color: rgba(11, 18, 32, 0.8);
}

.principle-label {
  color: rgba(11, 18, 32, 0.52);
  text-transform: uppercase;
  letter-spacing: 0.11em;
  font-size: 0.66rem;
  font-weight: 620;
}

.section--hero .principle-line,
.section--dark .principle-line,
.panel--dark .principle-line,
.panel--brand .principle-line {
  color: rgba(234, 240, 255, 0.88);
}

.section--hero .principle-label,
.section--dark .principle-label,
.panel--dark .principle-label,
.panel--brand .principle-label {
  color: rgba(234, 240, 255, 0.56);
}

.visual-shell {
  border-radius: var(--radius);
  border: 1px solid var(--border-dark);
  background: linear-gradient(150deg, rgba(20,32,58,.72), rgba(26,43,75,.58));
  padding: clamp(0.7rem, 2vw, 1.2rem);
}

.hero-visual-img {
  width: 100%;
  max-height: 430px;
  object-fit: contain;
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.35rem;
}

.tile {
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  background: var(--bg-light);
  padding: 1.2rem;
  display: grid;
  gap: 0.6rem;
}

.section--light.alt .tile {
  background: var(--bg-light-2);
}

.system-grid {
  display: grid;
  grid-template-columns: minmax(0, 55%) minmax(0, 45%);
  gap: clamp(1.2rem, 3vw, 2.6rem);
  align-items: center;
}

.system-points {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.system-points li {
  padding-left: 0.9rem;
  border-left: 2px solid var(--border-light);
}

.highlight-wrap {
  margin-top: 1rem;
}

.highlight-panel {
  border-radius: var(--radius);
  padding: clamp(1.15rem, 2.5vw, 2rem);
  border: 1px solid var(--border-light);
  display: grid;
  gap: 0.7rem;
}

.panel--brand {
  background: linear-gradient(145deg, #2563EB, #1F56D2);
  color: var(--text-light);
  border-color: rgba(234,240,255,.32);
}

.panel--dark {
  background: linear-gradient(145deg, #14203A, #1B2C4C);
  color: var(--text-light);
  border-color: rgba(234,240,255,.2);
}

.proof-box {
  border-radius: var(--radius);
  border: 1px solid var(--border-light);
  background: var(--bg-light-2);
  padding: clamp(1.2rem, 3vw, 2rem);
  display: grid;
  gap: 1rem;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.proof-metric {
  border: 1px solid var(--border-light);
  border-radius: 12px;
  background: #ffffff;
  padding: 0.9rem;
}

.proof-metric strong {
  display: block;
  font-size: clamp(1.15rem, 2vw, 1.75rem);
  color: var(--text-dark);
}

.accordion-wrap {
  margin-top: 1.1rem;
  display: grid;
  gap: 0.7rem;
}

.accordion {
  border: 1px solid var(--border-light);
  border-radius: 12px;
  overflow: clip;
  background: #ffffff;
}

.accordion summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.1rem;
  font-weight: 600;
  color: var(--text-dark);
}

.accordion summary::-webkit-details-marker {
  display: none;
}

.accordion summary::after {
  content: "+";
  color: rgba(11,18,32,.7);
}

.accordion[open] summary::after {
  content: "−";
}

.accordion .content {
  border-top: 1px solid var(--border-light);
  padding: 0.9rem 1.1rem 1rem;
}

.faq-box {
  border-radius: var(--radius);
  border: 1px solid var(--border-light);
  background: #f8fafc;
  padding: clamp(1.1rem, 3vw, 1.9rem);
}

.footer {
  border-top: 1px solid rgba(234, 240, 255, 0.16);
  background: var(--bg-dark);
  color: var(--text-light);
}

.footer-main {
  padding: 2.7rem 0 2.25rem;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: 1.2fr 1.35fr 0.85fr 0.85fr;
}

.footer-col {
  min-width: 0;
}

.footer-col h3 {
  margin: 0;
  color: #ffffff;
  font-size: 0.98rem;
  font-weight: 620;
  letter-spacing: 0.01em;
}

.footer-col p {
  margin: 0;
  max-width: 50ch;
  color: rgba(234, 240, 255, 0.78);
  font-size: 0.92rem;
  line-height: 1.6;
}

.footer-col ul {
  list-style: none;
  margin: 0.95rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.38rem;
}

.footer-col li {
  margin: 0;
}

.footer-col a {
  color: rgba(234, 240, 255, 0.78);
  font-size: 0.88rem;
  line-height: 1.45;
}

.footer-col a:hover {
  color: #ffffff;
}

.footer-brand {
  margin: 0 0 0.95rem;
}

.footer-logo {
  height: 68px;
  width: auto;
  display: block;
}

.footer-contact {
  margin-top: 0.9rem;
  display: grid;
  gap: 0.3rem;
}

.footer-note {
  margin-top: 0.8rem;
  font-size: 0.8rem;
  color: rgba(234, 240, 255, 0.58);
}

.footer-bottom {
  border-top: 1px solid rgba(234, 240, 255, 0.12);
  padding: 0.86rem 0 0.95rem;
}

.footer-bottom-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem 1rem;
}

.footer-bottom-row p {
  margin: 0;
  color: rgba(234, 240, 255, 0.62);
  font-size: 0.79rem;
}

.whatsapp-float {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 70;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  border-radius: 999px;
  border: 1px solid rgba(11, 18, 32, 0.14);
  background: #ffffff;
  color: var(--text-dark);
  font-weight: 650;
  font-size: 0.86rem;
  line-height: 1;
  padding: 0.36rem 0.78rem 0.36rem 0.36rem;
  min-height: 52px;
  box-shadow: 0 8px 24px rgba(11, 18, 32, 0.18);
  transition: background-color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.whatsapp-badge {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
}

.whatsapp-label {
  white-space: nowrap;
}

.whatsapp-float:hover {
  background: #f7fafc;
  border-color: rgba(11, 18, 32, 0.24);
  transform: translateY(-1px);
}

@media (max-width: 980px) {
  .hero-grid,
  .system-grid {
    grid-template-columns: 1fr;
  }

  .benefit-grid,
  .proof-grid {
    grid-template-columns: 1fr;
  }

  .footer-main {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .container {
    width: min(var(--maxw), calc(100% - 1.4rem));
  }

  .nav-wrap {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.75rem;
  }

  .nav-links {
    flex-wrap: wrap;
  }

  .brand-mark {
    height: 30px;
  }

  .hero-visual-img {
    max-height: 320px;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 1.3rem;
    padding: 2.2rem 0 1.8rem;
  }

  .footer-logo {
    height: 58px;
  }

  .whatsapp-float {
    right: auto;
    left: 50%;
    transform: translateX(-50%);
    bottom: calc(env(safe-area-inset-bottom) + 0.75rem);
    font-size: 0.84rem;
    padding: 0.34rem 0.72rem 0.34rem 0.34rem;
  }

  .whatsapp-float:hover {
    transform: translateX(-50%);
  }
}