:root {
  color-scheme: light;
  --bg: #f7f5ef;
  --surface: #fffdf8;
  --surface-strong: #ffffff;
  --ink: #111416;
  --muted: #5d6569;
  --line: rgba(17, 20, 22, 0.12);
  --line-strong: rgba(17, 20, 22, 0.2);
  --cyan: #00a8c8;
  --teal: #0f766e;
  --amber: #c7831d;
  --green: #1faa59;
  --dark: #111416;
  --shadow: 0 24px 70px rgba(17, 20, 22, 0.12);
  --radius: 22px;
  --radius-sm: 14px;
  --max: 1180px;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(90deg, rgba(17, 20, 22, 0.035) 1px, transparent 1px),
    linear-gradient(rgba(17, 20, 22, 0.035) 1px, transparent 1px),
    radial-gradient(
      circle at 78% 8%,
      rgba(0, 168, 200, 0.12),
      transparent 34rem
    ),
    var(--bg);
  background-size:
    52px 52px,
    52px 52px,
    auto,
    auto;
  color: var(--ink);
  line-height: 1.55;
  letter-spacing: 0;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

img {
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(calc(100% - 32px), var(--max));
  margin: 14px auto 0;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 999px;
  background: rgba(255, 253, 248, 0.82);
  backdrop-filter: blur(22px);
  box-shadow: 0 10px 32px rgba(17, 20, 22, 0.08);
}

.site-header.is-scrolled {
  border-color: var(--line);
  background: rgba(255, 253, 248, 0.94);
}

.brand,
.header-actions,
.nav,
.lang-switch,
.hero-actions,
.trust-row,
.service-filters,
.rail-buttons {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 900;
  letter-spacing: 0;
}

.brand-logo {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  object-fit: cover;
}

.nav {
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 720;
}

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

.header-actions {
  gap: 10px;
}

.lang-switch {
  gap: 2px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
}

.lang-switch a {
  padding: 7px 10px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.lang-switch a.active {
  color: white;
  background: var(--dark);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 850;
  font-size: 14px;
  white-space: nowrap;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    background 0.18s ease;
}

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

.btn-primary {
  color: white;
  background: var(--dark);
  box-shadow: 0 14px 34px rgba(17, 20, 22, 0.18);
}

.btn-secondary,
.btn-ghost {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.65);
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: white;
}

.menu-button span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(390px, 0.78fr);
  gap: 44px;
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
  padding: 46px 0 24px;
  align-items: center;
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2,
.problem-copy h2,
.proof-intro h2,
.case-copy h2,
.contact-section h2 {
  margin: 0;
  max-width: 820px;
  font-size: clamp(42px, 5.4vw, 74px);
  line-height: 0.96;
  letter-spacing: 0;
}

.hero-lede {
  max-width: 700px;
  margin: 28px 0 0;
  color: #30383c;
  font-size: clamp(18px, 2.1vw, 24px);
  line-height: 1.42;
}

.hero-actions {
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.inline-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.trust-row {
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.trust-row span {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.58);
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.hero-visual {
  position: relative;
}

.signal-board {
  position: relative;
  overflow: hidden;
  min-height: 510px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 34px;
  background:
    linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.88),
      rgba(255, 253, 248, 0.74)
    ),
    linear-gradient(90deg, rgba(0, 168, 200, 0.08), transparent);
  box-shadow: var(--shadow);
}

.signal-board::before {
  content: "";
  position: absolute;
  inset: 70px 24px auto;
  height: 320px;
  border: 1px dashed rgba(15, 118, 110, 0.28);
  border-radius: 50%;
  transform: rotate(-12deg);
}

.board-top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: white;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.board-top strong {
  margin-left: auto;
  color: var(--green);
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.dot.green {
  background: var(--green);
  box-shadow: 0 0 0 7px rgba(31, 170, 89, 0.12);
}

.flow-map {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.flow-node {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.82);
}

.flow-node.active,
.flow-node.guard {
  background: var(--dark);
  color: white;
}

.flow-node small,
.service-card span,
.proof-dashboard span,
.os-grid span {
  display: block;
  margin-bottom: 10px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.flow-node.active small,
.flow-node.guard small {
  color: #7be7ff;
}

.flow-node strong {
  display: block;
  font-size: 26px;
}

.flow-node span {
  color: inherit;
  opacity: 0.78;
}

.evidence-panel {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 18px;
}

.evidence-panel div {
  padding: 14px;
  border-radius: 18px;
  background: rgba(15, 118, 110, 0.1);
}

.evidence-panel span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.evidence-panel strong {
  font-size: 18px;
}

.plain-answer,
.section,
.contact-section {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
}

.plain-answer {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  padding: 0 0 42px;
}

.plain-answer article,
.os-grid article,
.service-card,
.persona-grid article,
.product-map article,
.package-grid article,
.proof-dashboard article,
.faq-list details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 12px 34px rgba(17, 20, 22, 0.06);
}

.plain-answer article {
  padding: 24px;
}

.plain-answer span {
  color: var(--amber);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0.08em;
}

.plain-answer h2,
.os-grid h3,
.service-card h3,
.persona-grid h3,
.product-map h3,
.package-grid h3,
.proof-dashboard strong {
  margin: 10px 0 8px;
  font-size: 22px;
  line-height: 1.12;
}

.plain-answer p,
.os-grid p,
.service-card p,
.persona-grid p,
.product-map p,
.package-grid p,
.proof-dashboard p,
.faq-list p,
.case-copy p,
.contact-section p,
.section-heading p,
.problem-copy p {
  margin: 0;
  color: var(--muted);
}

.section {
  padding: 74px 0;
}

.section-heading {
  max-width: 830px;
  margin-bottom: 34px;
}

.section-heading.compact {
  margin-bottom: 24px;
}

.section-heading h2,
.problem-copy h2,
.proof-intro h2,
.case-copy h2,
.contact-section h2 {
  font-size: clamp(34px, 4.2vw, 62px);
  line-height: 1;
}

.section-heading p,
.proof-intro p,
.case-copy p,
.contact-section p,
.problem-copy p {
  max-width: 720px;
  margin-top: 16px;
  font-size: 18px;
}

.problem-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.65fr);
  gap: 30px;
  align-items: stretch;
}

.problem-copy,
.pain-list {
  padding: 34px;
  border-radius: 30px;
}

.problem-copy {
  background: var(--dark);
  color: white;
}

.problem-copy p {
  color: rgba(255, 255, 255, 0.72);
}

.pain-list {
  display: grid;
  gap: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.74);
}

.pain-list span {
  padding: 18px;
  border-left: 4px solid var(--amber);
  border-radius: 14px;
  background: white;
  font-weight: 850;
}

.os-grid,
.service-grid,
.persona-grid,
.product-map,
.package-grid,
.proof-dashboard {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.os-grid article,
.service-card,
.persona-grid article,
.product-map article,
.package-grid article,
.proof-dashboard article {
  padding: 22px;
}

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

.persona-grid article,
.package-grid article {
  min-height: 230px;
}

.persona-grid span,
.product-map span,
.package-grid span {
  display: block;
  margin-bottom: 10px;
  color: var(--amber);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.product-map {
  grid-template-columns: repeat(5, 1fr);
}

.product-map article {
  min-height: 220px;
  background:
    linear-gradient(135deg, rgba(0, 168, 200, 0.08), transparent 55%),
    rgba(255, 255, 255, 0.74);
}

.product-map h3 {
  font-size: 20px;
}

.package-grid {
  grid-template-columns: repeat(4, 1fr);
  margin-bottom: 44px;
}

.package-grid article {
  background: var(--dark);
  color: white;
}

.package-grid span {
  color: #7be7ff;
}

.package-grid p {
  color: rgba(255, 255, 255, 0.72);
}

.detail-heading {
  margin-top: 16px;
}

.interactive-rail {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.68);
}

.rail-buttons {
  flex-direction: column;
  align-items: stretch;
  gap: 10px;
}

.rail-buttons button,
.service-filters button {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: white;
  color: var(--muted);
  cursor: pointer;
  font-weight: 850;
}

.rail-buttons button {
  padding: 15px 16px;
  text-align: left;
}

.rail-buttons button.active,
.service-filters button.active {
  color: white;
  background: var(--dark);
}

.rail-stage {
  min-height: 300px;
  position: relative;
}

.stage-card {
  display: none;
  min-height: 300px;
  padding: 34px;
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(0, 168, 200, 0.12), transparent 44%),
    var(--dark);
  color: white;
}

.stage-card.active {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.stage-card small {
  color: #7be7ff;
  font-weight: 950;
  letter-spacing: 0.1em;
}

.stage-card h3 {
  margin: 12px 0;
  max-width: 620px;
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1;
}

.stage-card p {
  max-width: 640px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 18px;
}

.stage-card ul {
  display: grid;
  gap: 8px;
  max-width: 620px;
  margin: 18px 0 0;
  padding-left: 20px;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 780;
}

.service-filters {
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.service-filters button {
  padding: 11px 16px;
}

.service-grid {
  grid-template-columns: repeat(2, 1fr);
}

.service-card {
  min-height: 210px;
}

.service-card[hidden] {
  display: none;
}

.proof-section {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(440px, 1fr);
  gap: 28px;
  align-items: start;
}

.proof-dashboard {
  grid-template-columns: repeat(2, 1fr);
}

.proof-dashboard article {
  min-height: 190px;
  background: var(--dark);
  color: white;
}

.proof-dashboard p {
  color: rgba(255, 255, 255, 0.72);
}

.proof-dashboard span {
  color: #7be7ff;
}

.case-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(360px, 0.74fr);
  gap: 28px;
  align-items: center;
  padding: 46px;
  border: 1px solid var(--line);
  border-radius: 34px;
  background: linear-gradient(
    135deg,
    rgba(15, 118, 110, 0.12),
    rgba(255, 255, 255, 0.76)
  );
}

.timeline {
  display: grid;
  gap: 10px;
}

.timeline div {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: white;
}

.timeline span {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--dark);
  color: white;
  font-weight: 950;
}

.timeline p {
  margin: 0;
  font-weight: 850;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  padding: 20px 24px;
}

.faq-list summary {
  cursor: pointer;
  font-size: 18px;
  font-weight: 900;
}

.faq-list p {
  margin-top: 12px;
}

.page-hero {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
  padding: 64px 0 34px;
}

.page-hero h1 {
  max-width: 920px;
  margin: 0;
  font-size: clamp(46px, 6vw, 82px);
  line-height: 0.96;
}

.page-hero p {
  max-width: 760px;
  margin: 24px 0 0;
  color: #30383c;
  font-size: clamp(18px, 2.1vw, 24px);
  line-height: 1.42;
}

.proof-wall,
.capability-matrix,
.truth-table,
.adoption-grid,
.evidence-strip {
  display: grid;
  gap: 14px;
}

.proof-wall {
  grid-template-columns: repeat(3, 1fr);
}

.capability-matrix {
  grid-template-columns: repeat(4, 1fr);
}

.truth-table,
.adoption-grid {
  grid-template-columns: repeat(3, 1fr);
}

.evidence-strip {
  grid-template-columns: repeat(5, 1fr);
}

.proof-wall article,
.capability-matrix article,
.truth-table article,
.adoption-grid article,
.evidence-strip article {
  min-height: 210px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.74);
  box-shadow: 0 12px 34px rgba(17, 20, 22, 0.06);
}

.proof-wall article.featured,
.truth-table article.dark {
  background: var(--dark);
  color: white;
}

.proof-wall article.featured p,
.truth-table article.dark p {
  color: rgba(255, 255, 255, 0.72);
}

.proof-wall span,
.capability-matrix span,
.truth-table span,
.adoption-grid span,
.evidence-strip span {
  display: block;
  margin-bottom: 10px;
  color: var(--amber);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.proof-wall article.featured span,
.truth-table article.dark span {
  color: #7be7ff;
}

.proof-wall h3,
.capability-matrix h3,
.truth-table h3,
.adoption-grid h3,
.evidence-strip h3 {
  margin: 8px 0 10px;
  font-size: 22px;
  line-height: 1.12;
}

.proof-wall p,
.capability-matrix p,
.truth-table p,
.adoption-grid p,
.evidence-strip p {
  margin: 0;
  color: var(--muted);
}

.answer-band {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(360px, 0.6fr);
  gap: 24px;
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: 34px;
  background: var(--dark);
  color: white;
}

.answer-band p {
  color: rgba(255, 255, 255, 0.72);
}

.answer-band .eyebrow {
  color: #7be7ff;
}

.answer-list {
  display: grid;
  gap: 10px;
}

.answer-list div {
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.08);
}

.answer-list strong {
  display: block;
  margin-bottom: 4px;
}

.contact-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 82px;
  padding: 42px;
  border-radius: 34px;
  background: var(--dark);
  color: white;
}

.contact-section p {
  color: rgba(255, 255, 255, 0.72);
}

.contact-section .eyebrow {
  color: #7be7ff;
}

.contact-section .btn-primary {
  background: white;
  color: var(--dark);
}

.whatsapp-float,
.floating-whatsapp {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 54px;
  padding: 9px 16px 9px 9px;
  border-radius: 999px;
  background: #1faa59;
  color: white;
  box-shadow: 0 18px 42px rgba(31, 170, 89, 0.34);
  font-weight: 950;
}

.wa-icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  font-size: 12px;
}

@media (max-width: 1060px) {
  .hero,
  .problem-grid,
  .proof-section,
  .case-section {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 72px;
  }

  .signal-board {
    min-height: auto;
  }

  .os-grid,
  .plain-answer,
  .persona-grid,
  .package-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .product-map {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 860px) {
  .site-header {
    align-items: center;
    border-radius: 24px;
  }

  .nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: var(--surface);
  }

  .nav.open,
  .nav.is-open {
    display: flex;
  }

  .nav a {
    padding: 12px;
  }

  .menu-button {
    display: block;
  }

  .header-actions .btn {
    display: none;
  }

  .hero h1 {
    font-size: clamp(42px, 12vw, 70px);
  }

  .service-grid,
  .proof-dashboard,
  .product-map,
  .proof-wall,
  .capability-matrix,
  .truth-table,
  .adoption-grid,
  .evidence-strip,
  .answer-band,
  .interactive-rail {
    grid-template-columns: 1fr;
  }

  .rail-buttons {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .rail-buttons button {
    white-space: nowrap;
    text-align: center;
  }

  .contact-section {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 620px) {
  body {
    background-size:
      38px 38px,
      38px 38px,
      auto,
      auto;
  }

  .site-header {
    width: min(calc(100% - 20px), var(--max));
    margin-top: 10px;
  }

  .brand span {
    display: none;
  }

  .hero,
  .page-hero,
  .plain-answer,
  .section,
  .contact-section {
    width: min(calc(100% - 20px), var(--max));
  }

  .hero {
    padding: 54px 0 34px;
  }

  .hero-lede,
  .section-heading p,
  .proof-intro p,
  .case-copy p,
  .contact-section p,
  .problem-copy p {
    font-size: 16px;
  }

  .plain-answer,
  .os-grid,
  .persona-grid,
  .package-grid,
  .evidence-panel {
    grid-template-columns: 1fr;
  }

  .problem-copy,
  .pain-list,
  .stage-card,
  .case-section,
  .contact-section {
    padding: 24px;
  }

  .flow-node strong {
    font-size: 22px;
  }

  .whatsapp-float,
  .floating-whatsapp {
    right: 12px;
    bottom: 12px;
    min-height: 50px;
    padding-right: 14px;
  }
}