:root {
  --blue: #2563EB;
  --blue-dark: #1E3A8A;
  --blue-soft: #EFF6FF;
  --ink: #111827;
  --muted: #6B7280;
  --line: #E5E7EB;
  --surface: #FFFFFF;
  --surface-soft: #F8FAFC;
  --whatsapp: #25D366;
  --radius: 8px;
  --shadow: 0 18px 48px rgba(17, 24, 39, 0.08);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--surface);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

body::before {
  background:
    linear-gradient(rgba(37, 99, 235, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  content: "";
  inset: 0;
  pointer-events: none;
  position: fixed;
  z-index: -1;
}

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

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

::selection {
  background: rgba(37, 99, 235, 0.18);
}

:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.45);
  outline-offset: 3px;
}

.container {
  margin: 0 auto;
  max-width: 1180px;
  padding: 0 20px;
  width: 100%;
}

.skip-link {
  background: var(--ink);
  border-radius: var(--radius);
  color: #FFFFFF;
  font-weight: 800;
  left: 16px;
  padding: 10px 14px;
  position: fixed;
  top: 12px;
  transform: translateY(-140%);
  transition: transform 0.2s ease;
  z-index: 200;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(229, 231, 235, 0.9);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  align-items: center;
  display: flex;
  gap: 20px;
  justify-content: space-between;
  min-height: 76px;
}

.brand {
  align-items: center;
  display: inline-flex;
  flex: 0 0 auto;
}

.brand img {
  height: 70px;
  object-fit: contain;
  width: 300px;
}

.site-nav {
  align-items: center;
  display: flex;
  gap: 6px;
  justify-content: flex-end;
}

.site-nav a {
  border-radius: 999px;
  color: #374151;
  font-size: 0.93rem;
  font-weight: 700;
  padding: 10px 12px;
  transition: background 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: var(--blue-soft);
  color: var(--blue-dark);
}

.site-nav .header-action {
  background: var(--blue);
  color: #FFFFFF;
  margin-left: 4px;
}

.site-nav .header-action:hover {
  background: var(--blue-dark);
  color: #FFFFFF;
}

.hero {
  background:
    linear-gradient(90deg, rgba(17, 24, 39, 0.96) 0%, rgba(30, 58, 138, 0.88) 54%, rgba(37, 99, 235, 0.66) 100%),
    url("/logo_wave.png") right center / auto 100% no-repeat;
  color: #FFFFFF;
  overflow: hidden;
  padding: 80px 0 72px;
  position: relative;
}

.hero::before {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.12), transparent 42%);
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
}

.hero-content {
  max-width: 800px;
  position: relative;
  z-index: 1;
  width: 100%;
}

.eyebrow {
  align-items: center;
  color: var(--blue);
  display: inline-flex;
  font-size: 0.78rem;
  font-weight: 800;
  gap: 8px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero .eyebrow,
.section-dark .eyebrow {
  color: #BFDBFE;
}

.eyebrow::before {
  background: currentColor;
  border-radius: 999px;
  content: "";
  height: 8px;
  width: 8px;
}

h1,
h2,
h3 {
  letter-spacing: 0;
  line-height: 1.08;
}

.hero h1 {
  font-size: 4.15rem;
  font-weight: 900;
  margin-top: 18px;
  max-width: 900px;
}

.hero-copy {
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.2rem;
  margin-top: 22px;
  max-width: 700px;
}

.hero-actions,
.cta-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  align-items: center;
  border-radius: var(--radius);
  display: inline-flex;
  font-size: 0.98rem;
  font-weight: 800;
  gap: 10px;
  justify-content: center;
  min-height: 48px;
  padding: 14px 20px;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: #FFFFFF;
  color: var(--blue-dark);
}

.button-primary:hover {
  background: #DBEAFE;
}

.button-secondary {
  border: 1px solid rgba(255, 255, 255, 0.38);
  color: #FFFFFF;
}

.button-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.7);
}

.button-blue {
  background: var(--blue);
  color: #FFFFFF;
}

.button-blue:hover {
  background: var(--blue-dark);
}

.hero-proof,
.metric-strip {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 46px;
  max-width: 820px;
  padding-top: 24px;
}

.proof-item strong,
.metric-item strong {
  display: block;
  font-size: 1.18rem;
  line-height: 1.2;
}

.proof-item span,
.metric-item span {
  color: rgba(255, 255, 255, 0.76);
  display: block;
  font-size: 0.94rem;
  margin-top: 4px;
}

.section {
  padding: 88px 0;
  scroll-margin-top: 96px;
}

.section-muted {
  background: var(--surface-soft);
}

.section-dark {
  background: var(--ink);
  color: #FFFFFF;
}

.section-header {
  align-items: end;
  display: grid;
  gap: 22px;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.72fr);
  margin-bottom: 36px;
}

.section-header h2 {
  color: var(--ink);
  font-size: 3rem;
  font-weight: 900;
  margin-top: 12px;
  max-width: 780px;
}

.section-dark .section-header h2,
.section-dark .section-header p {
  color: #FFFFFF;
}

.section-header p,
.section-lead {
  color: var(--muted);
  font-size: 1.04rem;
  max-width: 700px;
}

.section-dark .section-header p,
.section-dark .section-lead {
  color: rgba(255, 255, 255, 0.82);
}

.services-grid,
.differentials-grid,
.intent-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.two-column {
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 0.95fr) minmax(300px, 0.75fr);
}

.card,
.text-panel {
  background: var(--surface);
  border: 1px solid rgba(229, 231, 235, 0.95);
  border-radius: var(--radius);
  box-shadow: 0 1px 0 rgba(17, 24, 39, 0.04);
  min-width: 0;
  padding: 26px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.card:hover {
  border-color: rgba(37, 99, 235, 0.34);
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.card-icon,
.check-icon {
  align-items: center;
  background: var(--blue-soft);
  border-radius: var(--radius);
  color: var(--blue);
  display: inline-flex;
  height: 44px;
  justify-content: center;
  margin-bottom: 22px;
  width: 44px;
}

.card-icon svg,
.check-icon svg {
  height: 23px;
  width: 23px;
}

.card h3,
.text-panel h3 {
  color: var(--ink);
  font-size: 1.14rem;
  font-weight: 850;
  margin-bottom: 10px;
}

.card p,
.text-panel p {
  color: var(--muted);
  font-size: 0.98rem;
}

a.card {
  border-color: rgba(37, 99, 235, 0.22);
  cursor: pointer;
  position: relative;
}

a.card[data-card-action]::after {
  background: var(--blue-soft);
  border: 1px solid rgba(37, 99, 235, 0.18);
  border-radius: 999px;
  color: var(--blue-dark);
  content: attr(data-card-action) " →";
  font-size: 0.78rem;
  font-weight: 900;
  padding: 7px 10px;
  position: absolute;
  right: 18px;
  top: 18px;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
  white-space: nowrap;
}

a.card:hover,
a.card:focus-visible {
  border-color: rgba(37, 99, 235, 0.48);
  box-shadow: var(--shadow);
}

a.card:hover .check-icon,
a.card:focus-visible .check-icon {
  background: var(--blue);
  color: #FFFFFF;
}

a.card:hover::after,
a.card:focus-visible::after {
  background: var(--blue);
  border-color: var(--blue);
  color: #FFFFFF;
  transform: translateX(2px);
}

.bullet-list {
  display: grid;
  gap: 12px;
  list-style: none;
  margin-top: 18px;
}

.bullet-list li {
  align-items: start;
  color: var(--muted);
  display: grid;
  gap: 10px;
  grid-template-columns: 20px 1fr;
}

.bullet-list li::before {
  background: var(--blue);
  border-radius: 999px;
  color: #FFFFFF;
  content: "";
  height: 8px;
  margin-top: 9px;
  width: 8px;
}

.audience {
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  padding: 34px 0;
}

.audience-inner {
  align-items: center;
  display: grid;
  gap: 22px;
  grid-template-columns: 0.82fr 1.18fr;
}

.audience h2 {
  font-size: 1.95rem;
  font-weight: 900;
  line-height: 1.15;
}

.audience-tags,
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.audience-tags {
  justify-content: flex-end;
}

.tag {
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #374151;
  font-size: 0.93rem;
  font-weight: 750;
  padding: 10px 14px;
}

.process-grid {
  counter-reset: process;
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.process-step {
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
  padding: 24px;
  position: relative;
}

.process-step::before {
  background: var(--blue);
  border-radius: 999px;
  color: #FFFFFF;
  content: counter(process, decimal-leading-zero);
  counter-increment: process;
  display: inline-grid;
  font-size: 0.78rem;
  font-weight: 900;
  height: 34px;
  margin-bottom: 22px;
  place-items: center;
  width: 34px;
}

.process-step h3 {
  font-size: 1.02rem;
  font-weight: 850;
  margin-bottom: 8px;
}

.process-step p {
  color: var(--muted);
  font-size: 0.94rem;
}

.tech-layout {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.tech-group {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 24px;
}

.tech-group h3 {
  color: #FFFFFF;
  font-size: 1rem;
  margin-bottom: 16px;
}

.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
}

.tech-list li {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.92rem;
  font-weight: 750;
  padding: 9px 12px;
}

.faq-list {
  display: grid;
  gap: 14px;
  max-width: 920px;
}

.faq-item {
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-width: 0;
}

.faq-item summary {
  align-items: center;
  color: var(--ink);
  cursor: pointer;
  display: flex;
  font-size: 1.03rem;
  font-weight: 850;
  gap: 16px;
  justify-content: space-between;
  list-style: none;
  padding: 22px 24px;
}

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

.faq-item summary::after {
  align-items: center;
  background: var(--blue-soft);
  border-radius: 999px;
  color: var(--blue);
  content: "+";
  display: inline-flex;
  flex: 0 0 auto;
  font-size: 1.2rem;
  height: 30px;
  justify-content: center;
  width: 30px;
}

.faq-item[open] summary::after {
  content: "-";
}

.faq-item p {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.98rem;
  padding: 18px 24px 22px;
}

.internal-links {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.internal-link {
  align-items: center;
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  display: flex;
  font-weight: 850;
  gap: 16px;
  justify-content: space-between;
  padding: 18px 20px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.internal-link span {
  align-items: center;
  background: var(--blue-soft);
  border-radius: 999px;
  color: var(--blue);
  display: inline-flex;
  flex: 0 0 auto;
  height: 30px;
  justify-content: center;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
  width: 30px;
}

.internal-link:hover,
.internal-link:focus-visible {
  border-color: rgba(37, 99, 235, 0.34);
  box-shadow: 0 10px 28px rgba(17, 24, 39, 0.08);
  color: var(--blue-dark);
  transform: translateY(-1px);
}

.internal-link:hover span,
.internal-link:focus-visible span {
  background: var(--blue);
  color: #FFFFFF;
  transform: translateX(2px);
}

.final-cta {
  background:
    linear-gradient(135deg, rgba(30, 58, 138, 0.94), rgba(37, 99, 235, 0.94)),
    url("/wave_inline.png") center / cover no-repeat;
  color: #FFFFFF;
  padding: 84px 0;
  text-align: center;
}

.final-cta .container {
  max-width: 880px;
}

.final-cta h2 {
  font-size: 3.5rem;
  font-weight: 900;
}

.final-cta p {
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.1rem;
  margin: 18px auto 0;
  max-width: 660px;
}

.final-cta .cta-actions {
  justify-content: center;
}

.footer {
  background: #FFFFFF;
  border-top: 1px solid var(--line);
  padding: 30px 0;
}

.footer-inner {
  align-items: center;
  color: var(--muted);
  display: flex;
  font-size: 0.92rem;
  gap: 18px;
  justify-content: space-between;
}

.footer-inner strong {
  color: var(--ink);
}

.footer-inner a {
  color: var(--blue-dark);
  font-weight: 800;
}

.whatsapp-float {
  align-items: center;
  background: var(--whatsapp);
  border-radius: 999px;
  bottom: 22px;
  box-shadow: 0 16px 34px rgba(37, 211, 102, 0.38);
  color: #FFFFFF;
  display: inline-flex;
  height: 58px;
  justify-content: center;
  position: fixed;
  right: 22px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  width: 58px;
  z-index: 120;
}

.whatsapp-float:hover {
  box-shadow: 0 20px 42px rgba(37, 211, 102, 0.5);
  transform: translateY(-2px);
}

.whatsapp-float svg {
  height: 30px;
  width: 30px;
}

.whatsapp-tooltip {
  background: var(--ink);
  border-radius: var(--radius);
  color: #FFFFFF;
  font-size: 0.88rem;
  font-weight: 750;
  opacity: 0;
  padding: 9px 12px;
  pointer-events: none;
  position: absolute;
  right: 70px;
  transform: translateY(4px);
  transition: opacity 0.2s ease, transform 0.2s ease;
  white-space: nowrap;
}

.whatsapp-tooltip::after {
  border-color: transparent transparent transparent var(--ink);
  border-style: solid;
  border-width: 6px;
  content: "";
  position: absolute;
  right: -12px;
  top: 50%;
  transform: translateY(-50%);
}

.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 1120px) {
  .hero h1 {
    font-size: 3.45rem;
  }

  .section-header h2 {
    font-size: 2.6rem;
  }

  .final-cta h2 {
    font-size: 3rem;
  }

  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding: 12px 0;
  }

  .site-nav {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 6px;
    width: 100%;
  }

  .section-header,
  .audience-inner,
  .two-column {
    grid-template-columns: 1fr;
  }

  .audience-tags {
    justify-content: flex-start;
  }

  .services-grid,
  .differentials-grid,
  .intent-grid,
  .tech-layout {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .container {
    padding: 0 18px;
  }

  .brand img {
    height: auto;
    width: 190px;
  }

  .site-nav a {
    font-size: 0.88rem;
    padding: 9px 10px;
  }

  .header-action {
    display: none;
  }

  .hero {
    background:
      linear-gradient(180deg, rgba(17, 24, 39, 0.96), rgba(30, 58, 138, 0.92)),
      url("/logo_wave.png") center top / 150% auto no-repeat;
    padding: 76px 0 54px;
  }

  .hero h1 {
    font-size: 2.35rem;
  }

  .hero-copy,
  .section-header p,
  .section-lead,
  .final-cta p {
    font-size: 1rem;
  }

  .section-header h2,
  .final-cta h2 {
    font-size: 2.1rem;
  }

  .audience h2 {
    font-size: 1.45rem;
  }

  .hero-actions,
  .cta-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .hero-proof,
  .metric-strip {
    grid-template-columns: 1fr;
    margin-top: 34px;
  }

  .section {
    padding: 64px 0;
  }

  .section-header {
    margin-bottom: 26px;
  }

  .services-grid,
  .differentials-grid,
  .intent-grid,
  .process-grid,
  .tech-layout,
  .internal-links {
    grid-template-columns: 1fr;
  }

  .card,
  .process-step,
  .tech-group,
  .text-panel {
    padding: 22px;
  }

  .final-cta {
    padding: 64px 0;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .whatsapp-float {
    bottom: 16px;
    height: 54px;
    right: 16px;
    width: 54px;
  }

  .whatsapp-tooltip {
    display: none;
  }
}