/* =========================================================
   KBYTE INFORMÁTICA — design tokens
   Conceito: "Ordem de Serviço" — a ficha/ticket que todo
   equipamento recebe ao entrar na loja é o fio condutor
   visual do site (cantos de ticket, perfuração, monoespaçada
   para campos, selo de garantia).
   ========================================================= */

:root {
  --blue: #2DB0FE;
  --blue-deep: #0B82C4;
  --blue-tint: rgba(45, 176, 254, 0.10);
  --blue-tint-strong: rgba(45, 176, 254, 0.18);

  --ink: #0B1320;
  --ink-soft: #1B2536;
  --paper: #F4F7FA;
  --paper-raised: #FFFFFF;
  --line: #DDE5ED;
  --line-soft: #E8EDF2;
  --muted: #5B6878;
  --subtle: #8A95A3;

  --container: 1180px;
  --gutter: 24px;
  --radius: 6px;
  --radius-lg: 10px;
  --section: 104px;

  --font-display: "Big Shoulders Display", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", monospace;
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

ul {
  list-style: none;
}

img {
  max-width: 100%;
}

:focus-visible {
  outline: 2px solid var(--blue-deep);
  outline-offset: 3px;
  border-radius: 3px;
}

.container {
  width: 100%;
  max-width: calc(var(--container) + (var(--gutter) * 2));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- bracket / mono labels ---------- */
/* Echo of the logo mark: a "[" "]" bracket wrapping short labels,
   set in mono, used as the section "eyebrow" device throughout. */

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--blue-deep);
}

.tag .bracket {
  color: var(--blue);
  font-weight: 600;
}

.section-head {
  max-width: 700px;
}

.section-head h2 {
  margin-top: 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 3.4vw, 48px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

.section-head p {
  margin-top: 16px;
  max-width: 560px;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.7;
}

.section {
  padding-block: var(--section);
  border-top: 1px solid var(--line);
  position: relative;
}

.section--raised {
  background: var(--paper-raised);
}

.center {
  text-align: center;
  margin-inline: auto;
}

/* ---------- buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 50px;
  padding-inline: 26px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 600;
  white-space: nowrap;
  transition: transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--ink);
  color: #fff;
  border: 1px solid var(--ink);
}

.btn-primary:hover {
  background: var(--blue-deep);
  border-color: var(--blue-deep);
}

.btn-primary i {
  color: var(--blue);
}

.btn-outline {
  border: 1px solid var(--line);
  color: var(--ink);
  background: transparent;
}

.btn-outline:hover {
  border-color: var(--ink);
}

.btn-sm {
  min-height: 40px;
  padding-inline: 18px;
  font-size: 13px;
}

/* =========================================================
   HEADER
   ========================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: 86px;
  background: rgba(244, 247, 250, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  height: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand img {
  height: 30px;
  width: 30px;
  display: block;
  border-radius: 5px;
}

.brand-word {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.brand-word strong {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.brand-word span {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  color: var(--muted);
  margin-top: 2px;
}

.main-nav {
  justify-self: center;
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-soft);
}

.main-nav a {
  position: relative;
  padding-block: 6px;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--blue);
  transition: width .2s ease;
}

.main-nav a:hover::after {
  width: 100%;
}

.header-actions {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 14px;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 20px 0 16px;
  border-radius: var(--radius);
  background: var(--ink);
  color: #fff;
  font-size: 13.5px;
  font-weight: 600;
  transition: background .2s ease, transform .2s ease;
}

.header-cta i {
  color: var(--blue);
  font-size: 16px;
}

.header-cta:hover {
  background: var(--blue-deep);
  transform: translateY(-1px);
}

.menu-button {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  cursor: pointer;
}

.menu-button span {
  width: 16px;
  height: 2px;
  background: var(--ink);
  display: block;
  margin: 4px auto;
}

/* =========================================================
   HERO + ORDEM DE SERVIÇO (signature ticket card)
   ========================================================= */

.hero {
  padding-block: 96px 90px;
  position: relative;
  overflow: hidden;
  background-color: var(--paper);
  background-image:
    radial-gradient(circle, rgba(11, 19, 32, 0.07) 1px, transparent 1px);
  background-size: 26px 26px;
}

.hero::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -80px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(45, 176, 254, 0.28), transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 440px;
  gap: 64px;
  align-items: center;
}

.hero-copy .tag {
  margin-bottom: 22px;
}

.hero-copy h1 {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  font-size: clamp(40px, 5vw, 66px);
  line-height: 0.98;
  letter-spacing: -0.005em;
}

.hero-copy h1 em {
  font-style: normal;
  color: var(--blue-deep);
  background: linear-gradient(180deg, transparent 62%, var(--blue-tint-strong) 62%);
}

.hero-text {
  margin-top: 24px;
  max-width: 500px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.hero-actions {
  margin-top: 32px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-meta {
  margin-top: 38px;
  padding-top: 22px;
  border-top: 1px dashed var(--line);
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.hero-meta div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-meta strong {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
}

.hero-meta span {
  font-size: 12px;
  color: var(--subtle);
}

/* ---- the ticket ---- */

.os-ticket {
  --pad: 26px;
  position: relative;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--pad);
  box-shadow: 0 30px 60px -20px rgba(11, 19, 32, 0.18);
}

.os-ticket__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-right: 70px;
}

.os-ticket__head .tag {
  font-size: 11px;
}

.os-ticket__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink);
}

.os-ticket__client {
  margin-top: 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

.os-ticket__client span {
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--subtle);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.os-tear {
  position: relative;
  height: 0;
  border-top: 1px dashed var(--line);
  margin: 22px calc(var(--pad) * -1);
}

.os-tear::before,
.os-tear::after {
  content: "";
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--paper);
}

.os-tear::before {
  left: -9px;
}

.os-tear::after {
  right: -9px;
}

.os-rows {
  display: grid;
  gap: 13px;
}

.os-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13.5px;
}

.os-row span {
  color: var(--subtle);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.os-row strong {
  font-weight: 600;
  color: var(--ink);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.chip::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.chip--ok {
  background: rgba(34, 178, 110, 0.12);
  color: #1A9C61;
}

.os-barcode {
  margin-top: 20px;
  height: 30px;
  border-radius: 3px;
  background: repeating-linear-gradient(
    90deg,
    var(--ink) 0 2px,
    transparent 2px 5px,
    var(--ink) 5px 6px,
    transparent 6px 10px,
    var(--ink) 10px 13px,
    transparent 13px 16px,
    var(--ink) 16px 17px,
    transparent 17px 21px
  );
  opacity: 0.88;
}

.os-foot {
  margin-top: 10px;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--subtle);
  text-transform: uppercase;
}

.os-stamp {
  position: absolute;
  top: 22px;
  right: 22px;
  width: 76px;
  height: 76px;
  border-radius: 50%;
  border: 2px dashed var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  transform: rotate(-13deg);
  text-align: center;
  line-height: 1.25;
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--blue-deep);
  opacity: 0.9;
  pointer-events: none;
}

/* =========================================================
   BELT — quick facts strip
   ========================================================= */

.belt {
  background: var(--ink);
  border-top: 1px solid var(--line);
}

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

.belt-item {
  padding: 26px 22px;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.belt-item:last-child {
  border-right: none;
}

.belt-item strong {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 26px;
  color: #fff;
  letter-spacing: -0.01em;
}

.belt-item strong span {
  color: var(--blue);
}

.belt-item small {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.55);
  text-transform: uppercase;
}

/* =========================================================
   SERVICES — ticket-stub cards
   ========================================================= */

.service-grid {
  margin-top: 46px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.service-card {
  position: relative;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px 22px 22px;
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.service-card:hover {
  border-color: var(--blue);
  transform: translateY(-3px);
  box-shadow: 0 18px 34px -18px rgba(11, 19, 32, 0.22);
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 18px;
  right: 18px;
  height: 0;
  border-top: 1px dashed var(--line-soft);
}

.service-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.service-icon {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: var(--blue-tint);
  color: var(--blue-deep);
  font-size: 18px;
}

.service-card__index {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--subtle);
}

.service-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  text-transform: uppercase;
  letter-spacing: -0.005em;
}

.service-card p {
  margin-top: 10px;
  font-size: 13.8px;
  line-height: 1.6;
  color: var(--muted);
}

/* =========================================================
   DIFERENCIAIS — ledger list
   ========================================================= */

.ledger {
  margin-top: 46px;
  border-top: 1px solid var(--line);
}

.ledger-row {
  display: grid;
  grid-template-columns: 60px 280px 1fr;
  gap: 28px;
  align-items: center;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.ledger-row .service-icon {
  width: 42px;
  height: 42px;
  font-size: 16px;
}

.ledger-row h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  text-transform: uppercase;
}

.ledger-row p {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.65;
  max-width: 560px;
}

/* =========================================================
   ABOUT — split + founding timeline
   ========================================================= */

.about-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 64px;
  align-items: start;
}

.timeline {
  position: relative;
  padding-left: 26px;
  border-left: 1px dashed var(--line);
}

.timeline-item {
  position: relative;
  padding-bottom: 36px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 2px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--blue);
}

.timeline-item.is-current::before {
  background: var(--blue);
}

.timeline-item strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--blue-deep);
  letter-spacing: 0.04em;
}

.timeline-item h4 {
  margin-top: 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  text-transform: uppercase;
}

.timeline-item p {
  margin-top: 6px;
  font-size: 13.6px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 320px;
}

.about-content .tag {
  margin-bottom: 0;
}

.about-content h2 {
  margin-top: 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 3vw, 42px);
  text-transform: uppercase;
  line-height: 1.04;
}

.about-content p {
  margin-top: 18px;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.75;
  max-width: 620px;
}

.pills {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pills span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink-soft);
  background: var(--paper-raised);
}

.pills span::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
}

/* =========================================================
   PROCESS — OS lifecycle trail
   ========================================================= */

.process-trail {
  margin-top: 50px;
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
}

.process-trail::before {
  content: "";
  position: absolute;
  top: 21px;
  left: 0;
  right: 0;
  height: 0;
  border-top: 1px dashed var(--line);
  z-index: 0;
}

.process-step {
  position: relative;
  z-index: 1;
  padding-right: 18px;
}

.process-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--paper);
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--ink);
}

.process-step:first-child .process-step__num {
  background: var(--ink);
  color: var(--blue);
  border-color: var(--ink);
}

.process-step h3 {
  margin-top: 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: -0.005em;
}

.process-step p {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--muted);
}

.policy-note {
  margin-top: 48px;
  padding: 20px 24px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: var(--blue-tint);
  font-size: 13.8px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.policy-note strong {
  color: var(--ink);
}

/* =========================================================
   TESTIMONIALS
   ========================================================= */

.testimonial-grid {
  margin-top: 46px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.testimonial-card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.testimonial-card .stars {
  color: var(--blue-deep);
  letter-spacing: 0.12em;
  font-size: 14px;
}

.testimonial-card p {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.testimonial-card footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--subtle);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.google-link {
  margin-top: 30px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
}

.google-link i {
  color: var(--blue-deep);
}

/* =========================================================
   CTA STRIP
   ========================================================= */

.cta-strip {
  background: var(--ink);
  background-image: radial-gradient(circle, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 22px 22px;
}

.cta-strip-inner {
  padding-block: 46px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cta-strip-inner .tag {
  color: var(--blue);
}

.cta-strip-inner h3 {
  margin-top: 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 2.6vw, 32px);
  color: #fff;
  text-transform: uppercase;
}

.cta-strip-inner .btn-primary {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--ink);
}

.cta-strip-inner .btn-primary i {
  color: var(--ink);
}

.cta-strip-inner .btn-primary:hover {
  background: #fff;
  border-color: #fff;
}

/* =========================================================
   LOCATION
   ========================================================= */

.location-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
}

.contact-list {
  margin-top: 28px;
  display: grid;
  gap: 18px;
}

.contact-list li {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 12px;
  align-items: start;
  font-size: 14.5px;
  line-height: 1.6;
}

.contact-list i {
  margin-top: 3px;
  color: var(--blue-deep);
  font-size: 15px;
}

.contact-list strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--subtle);
  margin-bottom: 3px;
}

.contact-list a:hover {
  color: var(--blue-deep);
}

.hours-table {
  margin-top: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.hours-table div {
  display: flex;
  justify-content: space-between;
  padding: 13px 18px;
  font-size: 13.5px;
  border-bottom: 1px solid var(--line);
}

.hours-table div:last-child {
  border-bottom: none;
}

.hours-table span:first-child {
  color: var(--muted);
}

.hours-table span:last-child {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--ink);
}

.map-frame {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  min-height: 420px;
}

.map-frame iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

/* =========================================================
   FAQ
   ========================================================= */

.faq-list {
  margin-top: 40px;
  max-width: 760px;
  display: grid;
  gap: 12px;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-raised);
  overflow: hidden;
}

.faq-list summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: 30px 1fr 20px;
  align-items: center;
  gap: 16px;
  padding: 20px 22px;
  font-size: 15px;
}

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

.faq-bracket {
  font-family: var(--font-mono);
  color: var(--blue-deep);
  font-weight: 700;
}

.faq-list summary strong {
  font-weight: 600;
  color: var(--ink);
}

.faq-toggle {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--subtle);
  transition: transform .2s ease;
}

.faq-list details[open] .faq-toggle {
  transform: rotate(45deg);
  color: var(--blue-deep);
}

.faq-answer {
  padding: 0 22px 22px 66px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.faq-answer p + p {
  margin-top: 10px;
}

/* =========================================================
   FOOTER
   ========================================================= */

.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.78);
  padding-block: 70px 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.footer-brand img {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  display: block;
}

.footer-brand-word strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 21px;
  color: #fff;
  letter-spacing: -0.01em;
}

.footer-brand-word span {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.22em;
  color: rgba(255, 255, 255, 0.45);
}

.footer-col p {
  font-size: 13.8px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.5);
  max-width: 280px;
}

.footer-social {
  margin-top: 20px;
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: var(--radius);
  border: 1px solid rgba(255, 255, 255, 0.16);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: border-color .2s ease, color .2s ease;
}

.footer-social a:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 18px;
}

.footer-col a,
.footer-col .footer-line {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 13px;
  line-height: 1.5;
}

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

.footer-bottom {
  margin-top: 56px;
  padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12px;
  font-family: var(--font-mono);
  color: rgba(255, 255, 255, 0.4);
}

/* =========================================================
   WHATSAPP TICKET-TAB WIDGET + BACK TO TOP
   ========================================================= */

.whatsapp-widget {
  position: fixed;
  right: 26px;
  bottom: 26px;
  z-index: 1200;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.whatsapp-chat {
  width: 300px;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 50px -16px rgba(11, 19, 32, 0.3);
  overflow: hidden;
  transform: translateY(14px) scale(0.97);
  opacity: 0;
  pointer-events: none;
  transition: transform .22s ease, opacity .22s ease;
}

.whatsapp-widget.is-open .whatsapp-chat {
  transform: translateY(0) scale(1);
  opacity: 1;
  pointer-events: auto;
}

.whatsapp-chat-header {
  background: var(--ink);
  color: #fff;
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.whatsapp-chat-header strong {
  display: block;
  font-family: var(--font-display);
  font-size: 16px;
  text-transform: uppercase;
}

.whatsapp-chat-header span {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 2px;
}

.whatsapp-close {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.6);
  font-size: 20px;
  cursor: pointer;
  line-height: 1;
}

.whatsapp-chat-body {
  padding: 18px;
}

.whatsapp-message {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.whatsapp-message p + p {
  margin-top: 8px;
}

.whatsapp-chat-cta {
  margin-top: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  border-radius: var(--radius);
  background: var(--blue);
  color: var(--ink);
  font-weight: 700;
  font-size: 13.5px;
}

.whatsapp-chat-cta i {
  font-size: 17px;
}

.floating-whatsapp {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 58px;
  padding: 0 20px 0 16px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  border: none;
  cursor: pointer;
  box-shadow: 0 16px 32px -12px rgba(11, 19, 32, 0.4);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.floating-whatsapp i {
  font-size: 22px;
  color: var(--blue);
}

.back-to-top {
  position: fixed;
  left: 26px;
  bottom: 26px;
  z-index: 1100;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--paper-raised);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 17px;
  cursor: pointer;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease, border-color .2s ease;
}

.back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover {
  border-color: var(--blue);
  color: var(--blue-deep);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width: 1080px) {
  :root {
    --container: 940px;
    --section: 84px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .os-ticket {
    max-width: 440px;
  }

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

  .belt-item:nth-child(2) {
    border-right: none;
  }

  .belt-item:nth-child(1),
  .belt-item:nth-child(2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

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

  .ledger-row {
    grid-template-columns: 50px 1fr;
  }

  .ledger-row p {
    grid-column: 2;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .process-trail {
    grid-template-columns: repeat(3, 1fr);
    row-gap: 36px;
  }

  .process-trail::before {
    display: none;
  }

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

  .location-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    row-gap: 36px;
  }
}

@media (max-width: 760px) {
  :root {
    --gutter: 20px;
    --section: 64px;
  }

  .site-header {
    height: 70px;
  }

  .header-inner {
    grid-template-columns: 1fr auto;
  }

  .brand img {
    height: 26px;
    width: 26px;
  }

  .brand-word strong {
    font-size: 18px;
  }

  .main-nav,
  .header-cta {
    display: none;
  }

  .main-nav.is-open {
    display: flex;
    position: absolute;
    top: 70px;
    left: 16px;
    right: 16px;
    flex-direction: column;
    gap: 0;
    background: var(--paper-raised);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 10px;
    box-shadow: 0 20px 40px -16px rgba(11, 19, 32, 0.2);
  }

  .main-nav.is-open a {
    width: 100%;
    padding: 14px 12px;
    text-align: center;
  }

  .menu-button {
    display: block;
    justify-self: end;
  }

  .hero {
    padding-block: 56px 64px;
  }

  .hero-copy {
    text-align: left;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-meta {
    gap: 22px;
  }

  .os-ticket {
    max-width: 100%;
  }

  .belt-grid {
    grid-template-columns: 1fr 1fr;
  }

  .belt-item {
    padding: 22px 16px;
  }

  .section {
    padding-block: var(--section);
  }

  .section-head h2 {
    font-size: clamp(28px, 9vw, 36px);
  }

  .service-grid {
    grid-template-columns: 1fr;
  }

  .ledger-row {
    grid-template-columns: 1fr;
    gap: 12px;
    text-align: left;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .process-trail {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .testimonial-grid {
    grid-template-columns: 1fr;
  }

  .location-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .map-frame {
    min-height: 280px;
  }

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

  .cta-strip-inner .btn {
    width: 100%;
    justify-content: center;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .footer-bottom {
    flex-direction: column;
  }

  .whatsapp-widget {
    right: 16px;
    bottom: 16px;
  }

  .whatsapp-chat {
    width: calc(100vw - 32px);
    max-width: 320px;
  }

  .back-to-top {
    left: 16px;
    bottom: 16px;
    width: 46px;
    height: 46px;
  }
}

@media (max-width: 480px) {
  .belt-grid {
    grid-template-columns: 1fr;
  }

  .belt-item {
    border-right: none !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .belt-item:last-child {
    border-bottom: none;
  }
}