/* =========================================================
   Demand Tecnologia — Design System
   Identidade: azul #002146 · laranja #ff8728 · branco
   Tokens de espaçamento/radius inspirados no Airbnb
   ========================================================= */

:root {
  /* Accent (laranja da logo) */
  --primary: #ff8728;
  --primary-active: #e67215;
  --primary-soft: #fff1e6;
  --primary-disabled: #ffd4ad;
  --primary-deep: #c45a0c;

  /* Brand (azul da logo) */
  --brand: #002146;
  --brand-soft: #e8eef5;

  --ink: #002146;
  --body: #3a4a5c;
  --muted: #6a7a8c;
  --muted-soft: #94a0ad;
  --hairline: #d7dde5;
  --hairline-soft: #e8edf3;
  --border-strong: #b8c2ce;
  --canvas: #ffffff;
  --surface-soft: #fff;
  --surface-strong: #eef2f6;
  --on-primary: #ffffff;
  --star: #ff8728;
  --surface-blue: #fff;

  --r-xs: 4px;
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 32px;
  --r-full: 9999px;

  --s-sm: 8px;
  --s-md: 12px;
  --s-base: 16px;
  --s-lg: 24px;
  --s-xl: 32px;
  --s-xxl: 48px;
  --s-section-lg: 46px;

  --shadow: rgba(0, 0, 0, 0.02) 0 0 0 1px,
    rgba(0, 0, 0, 0.04) 0 2px 6px,
    rgba(0, 0, 0, 0.1) 0 4px 8px;
  --shadow-soft: rgba(0, 0, 0, 0.04) 0 2px 8px,
    rgba(0, 0, 0, 0.08) 0 12px 28px;

  --container: 1180px;
  --nav-h: 80px;
  --font: "Plus Jakarta Sans", Circular, -apple-system, system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);

  --icon: 80px;
  --icon-svg:40px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 12px);
}

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--canvas);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }
summary { list-style: none; }
summary::-webkit-details-marker { display: none; }

.container {
  width: min(100% - 40px, var(--container));
  margin-inline: auto;
}

/* ---------- Brand ---------- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-logo {
  height: 42px;
  width: auto;
  max-width: 190px;
  object-fit: contain;
}

.footer-brand .brand-logo {
  height: 40px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 24px;
  border-radius: var(--r-sm);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.25;
  transition: background 0.2s var(--ease), transform 0.2s var(--ease),
    box-shadow 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--primary-active);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(255, 135, 40, 0.32);
}

.btn-secondary {
  background: var(--canvas);
  color: var(--primary);
  border: 1.5px solid var(--primary);
  padding: 0 22px;
}

.btn-secondary:hover {
  background: var(--primary-soft);
  transform: translateY(-1px);
}

.play-dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  position: relative;
  flex-shrink: 0;
}

.play-dot::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 5px;
  border-style: solid;
  border-width: 4px 0 4px 7px;
  border-color: transparent transparent transparent #fff;
}

.btn-on-primary {
  background: var(--primary);
  color: var(--on-primary);
  font-weight: 600;
}

.btn-on-primary:hover {
  background: var(--primary-active);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(255, 135, 40, 0.35);
}

.btn-ghost-light {
  background: transparent;
  color: var(--on-primary);
  border: 1px solid rgba(255, 255, 255, 0.45);
}

.btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-1px);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: gap 0.2s var(--ease);
}

.text-link:hover { gap: 10px; }

/* ---------- Nav ---------- */
.top-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.top-nav.is-scrolled {
  border-bottom-color: var(--hairline-soft);
}

.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-links a {
  font-size: 15px;
  font-weight: 600;
  color: var(--body);
  transition: color 0.2s;
}

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

.nav-cta {
  height: 42px !important;
  padding: 0 16px !important;
  display: inline-flex !important;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: var(--on-primary) !important;
  border-radius: var(--r-sm);
  font-size: 14px !important;
}

.nav-cta svg { width: 18px; height: 18px; }

.nav-cta:hover {
  background: var(--primary-active);
  color: var(--on-primary) !important;
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  flex-direction: column;
  gap: 5px;
  border-radius: var(--r-sm);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.25s var(--ease), opacity 0.2s;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 56px 0 64px;
  overflow: hidden;
  /*min-height: calc(100vh - var(--nav-h));*/
  display: flex;
  align-items: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 65% 50% at 90% 15%, rgba(255, 135, 40, 0.12), transparent 55%),
    radial-gradient(ellipse 45% 40% at 5% 90%, rgba(0, 33, 70, 0.06), transparent 50%),
    linear-gradient(180deg, #f7f9fc 0%, #fff 50%, #fff 100%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 40px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.15rem, 4.4vw, 3.4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.035em;
  max-width: 13ch;
  margin-bottom: 18px;
}

.hero-lead {
  font-size: 17px;
  line-height: 1.55;
  color: var(--body);
  max-width: 40ch;
  margin-bottom: 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
}

.hero-proof {
  display: flex;
  align-items: center;
  gap: 14px;
}

.avatar-stack {
  display: flex;
}

.avatar-stack span {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid #fff;
  margin-left: -10px;
  background: hsl(var(--h) 55% 42%);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  display: grid;
  place-items: center;
}

.avatar-stack span:first-child { margin-left: 0; }

.hero-proof p {
  font-size: 14px;
  color: var(--body);
  max-width: 22ch;
  line-height: 1.35;
}

.hero-proof strong { color: var(--ink); }

/* Device mockups */
.hero-visual {
  position: relative;
  min-height: 440px;
  display: grid;
  place-items: center;
}

.device-stack {
  position: relative;
  width: 100%;
  max-width: 540px;
  height: 440px;
  animation: float-stack 7s ease-in-out infinite;
}

@keyframes float-stack {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.device {
  position: absolute;
  background: #1a1d24;
  box-shadow: var(--shadow-soft);
}

.device-laptop {
  width: 82%;
  left: 0;
  top: 48px;
  border-radius: 14px 14px 6px 6px;
  padding: 10px 10px 0;
  transform: perspective(1000px) rotateY(-6deg) rotateX(3deg);
}

.device-bezel {
  border-radius: 8px;
  overflow: hidden;
  background: #0e1116;
}

.device-screen {
  aspect-ratio: 16 / 10;
  background: #f4f7fb;
  position: relative;
  overflow: hidden;
}

.device-base {
  height: 10px;
  margin: 0 -18px;
  background: linear-gradient(180deg, #2a2e36, #1a1d24);
  border-radius: 0 0 10px 10px;
  position: relative;
}

.device-base::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -6px;
  transform: translateX(-50%);
  width: 42%;
  height: 6px;
  background: #2a2e36;
  border-radius: 0 0 8px 8px;
}

.device-phone {
  width: 26%;
  right: 2%;
  bottom: 18px;
  border-radius: 22px;
  padding: 7px;
  z-index: 3;
  transform: perspective(900px) rotateY(12deg);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.22);
}

.device-phone .device-screen {
  aspect-ratio: 9 / 17;
  border-radius: 16px;
  background: #0f172a;
}

.float-card {
  position: absolute;
  z-index: 4;
  background: #fff;
  border-radius: var(--r-md);
  box-shadow: var(--shadow-soft);
  padding: 14px 16px;
}

.float-analytics {
  top: 18px;
  right: 8%;
  width: 150px;
  color: var(--primary);
}

.float-analytics-2 {
    left: -7%;
    bottom: 9%;
    top: auto;
}

.float-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
}

.float-analytics strong {
  display: block;
  font-size: 22px;
  color: var(--ink);
  letter-spacing: -0.03em;
  margin: 2px 0 6px;
}

.float-analytics svg {
  width: 100%;
  height: 36px;
}

/* Portal UI */
.screen-portal {
  background: #f8fafc;
  display: flex;
  flex-direction: column;
}

.portal-chrome {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 10px;
  background: #eef2f7;
  border-bottom: 1px solid #e2e8f0;
}

.portal-chrome > span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #cbd5e1;
}

.portal-chrome > span:nth-child(1) { background: #f87171; }
.portal-chrome > span:nth-child(2) { background: #fbbf24; }
.portal-chrome > span:nth-child(3) { background: #34d399; }

.portal-url {
  margin-left: 8px;
  flex: 1;
  height: 16px;
  border-radius: 4px;
  background: #fff;
  font-size: 8px;
  color: var(--muted);
  display: flex;
  align-items: center;
  padding: 0 8px;
}

.portal-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: #fff;
  border-bottom: 1px solid #eef2f7;
}

.portal-nav b {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--primary);
  margin-right: auto;
}

.portal-nav i {
  width: 28px;
  height: 5px;
  border-radius: 3px;
  background: #e2e8f0;
}

.portal-feature {
  margin: 10px 12px 8px;
  padding: 14px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), var(--primary-deep));
  color: #fff;
  min-height: 42%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 6px;
}

.portal-feature em {
  font-style: normal;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.08em;
  opacity: 0.85;
}

.portal-feature strong {
  font-size: 11px;
  line-height: 1.3;
  max-width: 90%;
}

.portal-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  padding: 0 12px 12px;
  flex: 1;
}

.portal-cards i {
  border-radius: 6px;
  background: #fff;
  border: 1px solid #e8eef5;
  min-height: 36px;
}

/* Phone system UI */
.screen-system {
  padding: 14px 10px 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: linear-gradient(180deg, #111827, #0f172a);
}

.phone-status {
  width: 40%;
  height: 4px;
  border-radius: 4px;
  background: #334155;
  margin: 0 auto 4px;
}

.sys-head {
  font-size: 9px;
  font-weight: 700;
  color: #e2e8f0;
}

.sys-kpis {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5px;
}

.sys-kpis i {
  height: 28px;
  border-radius: 6px;
  background: rgba(255, 135, 40, 0.28);
  border: 1px solid rgba(255, 135, 40, 0.35);
}

.sys-chart {
  flex: 1;
  min-height: 48px;
  border-radius: 8px;
  background:
    linear-gradient(180deg, transparent 50%, rgba(255, 135, 40, 0.25)),
    #1e293b;
  position: relative;
  overflow: hidden;
}

.sys-chart::after {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  bottom: 12%;
  height: 55%;
  background: linear-gradient(90deg, transparent, var(--primary));
  clip-path: polygon(0 70%, 25% 45%, 45% 55%, 70% 20%, 100% 35%, 100% 100%, 0 100%);
  opacity: 0.7;
}

.sys-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sys-list i {
  height: 10px;
  border-radius: 4px;
  background: #1e293b;
}

/* ---------- Clients ---------- */
.clients {
  border-bottom: 1px solid var(--hairline-soft);
}

.clients-marquee {
  width: 100%;
  overflow: hidden;
  padding: 20px 0 28px;
  box-sizing: border-box;
}

.clients-track {
  display: flex;
  width: max-content;
  animation: clients-scroll 30s linear infinite;
}

.clients-marquee:hover .clients-track {
  animation-play-state: paused;
}

.clients-content {
  display: flex;
  align-items: center;
}

.clients-content span {
  margin: 0 32px;
  white-space: nowrap;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted-soft);
  opacity: 0.8;
  transition: color 0.2s, opacity 0.2s;
}

.clients-content span:hover {
  color: var(--ink);
  opacity: 1;
}

@keyframes clients-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ---------- Stats ---------- */
.stats-band {
  padding: 40px 0;
  border-bottom: 1px solid var(--hairline-soft);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-icon {
  width: var(--icon);
  height: var(--icon);
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  display: grid;
  place-items: center;
  margin: 0 auto 12px;
}

.stat-icon svg {
  width: var(--icon-svg);
  height: var(--icon-svg);
}

.stats-grid strong {
  display: block;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--ink);
  line-height: 1.1;
}

.stats-grid span {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  color: var(--muted);
  font-weight: 500;
}

/* ---------- Sections ---------- */
.section {
  padding: var(--s-section-lg) 0;
}

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

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

.section-head {
  max-width: 560px;
  margin-bottom: 48px;
}

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

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.65rem, 2.8vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 12px;
}

.section-sub {
  font-size: 16px;
  color: var(--body);
  line-height: 1.55;
}

/* ---------- Solutions ---------- */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.solution-card {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 18px;
  padding: 22px 24px;
  background: var(--canvas);
  border: 1px solid var(--hairline-soft);
  border-radius: var(--r-lg);
  box-shadow: 0 2px 12px rgba(0, 33, 70, 0.05);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
    border-color 0.25s;
}

.solution-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 33, 70, 0.08);
  border-color: transparent;
}

.solution-icon {
  flex-shrink: 0;
  width: var(--icon);
  height: var(--icon);
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  display: grid;
  place-items: center;
}

.solution-icon svg {
  width: var(--icon-svg);
  height: var(--icon-svg);
}

.solution-body {
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  min-width: 0;
}

.solution-body h3 {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1.3;
}

.solution-body > p {
  font-size: 14px;
  color: var(--body);
  line-height: 1.55;
}

.solution-body ul {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin: 2px 0 4px;
}

.solution-body li {
  font-size: 13px;
  color: var(--body);
  padding-left: 16px;
  position: relative;
}

.solution-body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

/* ---------- Timeline ---------- */
.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
}

.timeline::before {
  content: "";
  position: absolute;
  top: 40px;
  left: 8%;
  right: 8%;
  height: 0;
  border-top: 2px dashed var(--hairline);
}

.timeline-item {
  position: relative;
  text-align: center;
  padding: 0 8px;
}

.timeline-icon {
  width: var(--icon);
  height: var(--icon);
  border-radius: var(--r-full);
  background: var(--canvas);
  border: 1px solid var(--hairline);
  color: var(--primary);
  display: grid;
  place-items: center;
  margin: 0 auto 14px;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 6px var(--surface-soft);
}

.timeline-icon svg { 
  width: var(--icon-svg); 
  height: var(--icon-svg); 
}

.timeline-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 35px;
  height: 35px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 10px;
}

.timeline-item h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.timeline-item p {
  font-size: 14px;
  color: var(--body);
  line-height: 1.5;
}

/* ---------- Diferenciais ---------- */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.diff-card {
  padding: 24px 20px;
  border-radius: var(--r-md);
  border: 1px solid var(--hairline-soft);
  background: var(--canvas);
  text-align: center;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease),
    border-color 0.25s;
}

.diff-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: transparent;
}

.diff-icon {
  width: var(--icon);
  height: var(--icon);
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary-active);
  display: grid;
  place-items: center;
  margin: 0 auto 14px;
}

.diff-icon svg { 
  width: var(--icon-svg);
  height: var(--icon-svg);
}

.diff-card h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
}

.diff-card p {
  font-size: 13px;
  color: var(--body);
  line-height: 1.45;
}

.solution-card[id],
section[id] {
  scroll-margin-top: 88px;
}

/* ---------- Testimonials ---------- */
.testimonials-wrap {
  display: grid;
  grid-template-columns: 48px 1fr 48px;
  gap: 12px;
  align-items: center;
}

.testimonials-viewport { overflow: hidden; }

.testimonials-track {
  display: flex;
  gap: 20px;
  transition: transform 0.45s var(--ease);
}

.testimonial-card {
  flex: 0 0 calc((100% - 20px) / 2);
  background: var(--canvas);
  border: 1px solid var(--hairline-soft);
  border-radius: var(--r-md);
  padding: 28px 24px;
  min-height: 260px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.stars {
  color: var(--star);
  letter-spacing: 2px;
  font-size: 20px;
}

.testimonial-card > p {
  position: relative;
  font-size: 15px;
  line-height: 1.55;
  color: var(--body);
  flex: 1;
}

.testimonial-card > p::before,
.testimonial-card > p::after {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.6rem;
  line-height: 0;
  color: var(--primary);
  font-weight: 700;
}

.testimonial-card > p::before {
  content: "\201C";
  margin-right: 3px;
  vertical-align: -0.15em;
}

.testimonial-card > p::after {
  content: "\201D";
  margin-left: 3px;
  vertical-align: -0.15em;
}

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

.avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--r-full);
  background: hsl(var(--hue, 210) 55% 42%);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 700;
}

.testimonial-author strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
}

.testimonial-author span {
  font-size: 13px;
  color: var(--muted);
}

.slider-btn {
  width: 48px;
  height: 48px;
  border-radius: var(--r-full);
  border: 1px solid var(--hairline);
  background: var(--canvas);
  display: grid;
  place-items: center;
  color: var(--ink);
  transition: background 0.2s, box-shadow 0.2s, transform 0.2s;
}

.slider-btn:hover {
  background: var(--surface-soft);
  box-shadow: var(--shadow);
}

.slider-btn:active { transform: scale(0.96); }
.slider-btn svg { width: 20px; height: 20px; }

/* ---------- FAQ ---------- */
.faq-layout {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 40px;
  align-items: start;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-item {
  border: 1px solid var(--hairline-soft);
  border-radius: var(--r-md);
  background: var(--canvas);
  overflow: hidden;
  transition: box-shadow 0.25s var(--ease);
}

.faq-item[open] {
  box-shadow: var(--shadow);
  border-color: transparent;
}

.faq-item summary {
  padding: 18px 22px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.faq-item summary::after {
  content: "";
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform 0.25s var(--ease);
  flex-shrink: 0;
  margin-top: -4px;
}

.faq-item[open] summary::after {
  transform: rotate(225deg);
  margin-top: 4px;
}

.faq-body { padding: 0 22px 20px; }

.faq-body p {
  font-size: 14px;
  color: var(--body);
  line-height: 1.55;
}

.faq-aside {
  background: var(--surface-blue);
  border: 1px solid var(--hairline-soft);
  border-radius: var(--r-lg);
  padding: 32px 28px;
  position: sticky;
  top: calc(var(--nav-h) + 16px);
}

.faq-aside h3 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}

.faq-aside p {
  font-size: 14px;
  color: var(--body);
  line-height: 1.5;
  margin-bottom: 20px;
}

.faq-aside .btn { width: 100%; }

/* ---------- CTA ---------- */
.cta-section {
  padding: 0 0 var(--s-section-lg);
}

.cta-block {
  border-radius: var(--r-lg);
  padding: clamp(48px, 8vw, 72px) clamp(28px, 6vw, 64px);
  background:
    radial-gradient(ellipse 60% 80% at 100% 0%, rgba(255, 135, 40, 0.22), transparent 50%),
    linear-gradient(135deg, #002146 0%, #003366 55%, #001a38 100%);
  color: var(--on-primary);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-block::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.45;
  pointer-events: none;
}

.cta-block h2,
.cta-block p,
.cta-actions { position: relative; }

.cta-block h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.2;
  max-width: 20ch;
  margin: 0 auto 14px;
}

.cta-block p {
  font-size: 17px;
  opacity: 0.9;
  margin-bottom: 28px;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--canvas);
  border-top: 1px solid var(--hairline-soft);
  padding-top: 56px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-brand p {
  margin-top: 14px;
  font-size: 14px;
  color: var(--body);
  max-width: 28ch;
  line-height: 1.5;
}

.footer-heart {
  width: 14px;
  height: 14px;
  color: var(--primary);
  vertical-align: -2px;
  margin: 0 2px;
}

.socials {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

.socials a {
  width: 40px;
  height: 40px;
  border-radius: var(--r-full);
  border: 1px solid var(--hairline);
  display: grid;
  place-items: center;
  color: var(--ink);
  transition: background 0.2s, box-shadow 0.2s;
}

.socials a:hover {
  background: var(--surface-soft);
  box-shadow: var(--shadow);
}

.socials svg { width: 18px; height: 18px; }

.site-footer h4 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
}

.site-footer ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.site-footer li,
.site-footer a {
  font-size: 14px;
  color: var(--body);
}

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

.footer-map {
  margin-top: 16px;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--hairline-soft);
  height: 120px;
}

.footer-map iframe {
  width: 100%;
  height: 100%;
  border: 0;
  filter: grayscale(0.3) contrast(1.05);
}

.legal-band {
  border-top: 1px solid var(--hairline-soft);
  padding: 18px 0;
}

.legal-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}

/* ---------- WhatsApp FAB ---------- */
.whatsapp-fab {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 56px;
  height: 56px;
  border-radius: var(--r-full);
  background: #25d366;
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
  z-index: 90;
  transition: transform 0.2s var(--ease);
}

.whatsapp-fab:hover { transform: scale(1.06); }
.whatsapp-fab svg { width: 28px; height: 28px; }

/* ---------- Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 1128px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .hero h1 { max-width: 16ch; }

  .hero-visual {
    min-height: 360px;
    order: -1;
  }

  .device-stack {
    height: 360px;
    max-width: 460px;
    margin-inline: auto;
  }

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

  .timeline { grid-template-columns: repeat(2, 1fr); }
  .timeline::before { display: none; }

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

  .testimonial-card {
    flex-basis: calc((100% - 20px) / 2);
  }

  .faq-layout { grid-template-columns: 1fr; }
  .faq-aside { position: static; }

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

  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
}

@media (max-width: 744px) {
  :root {
    --nav-h: 64px;
    --s-section-lg: 72px;
  }

  .brand-logo {
    height: 34px;
  }

  .nav-toggle { display: grid; }

  .nav-links {
    position: fixed;
    inset: var(--nav-h) 0 auto 0;
    background: var(--canvas);
    border-bottom: 1px solid var(--hairline-soft);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 20px 20px;
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
  }

  .nav-links.is-open {
    transform: none;
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a {
    padding: 14px 4px;
    border-bottom: 1px solid var(--hairline-soft);
  }

  .nav-cta {
    margin-top: 12px;
    justify-content: center;
    height: 48px !important;
    border-bottom: none !important;
  }

  .hero {
    padding: 28px 0 48px;
    min-height: auto;
  }

  .device-stack { height: 300px; }
  .float-analytics { display: none; }

  .timeline,
  .diff-grid {
    grid-template-columns: 1fr;
  }

  .testimonials-wrap { grid-template-columns: 1fr; }
  .slider-btn { display: none; }
  .testimonial-card { flex-basis: 85%; }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .cta-block { text-align: left; }
  .cta-actions { justify-content: flex-start; }
  .cta-block h2 { margin-left: 0; }

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