/* ELUN — Premium Corporate Design System
   Aesthetic: Gartner · Palantir · Siemens Digital Industries */

:root {
  --black: #0a0a0a;
  --white: #ffffff;
  --off-white: #fafafa;
  --gray-50: #f8f9fa;
  --gray-100: #f1f3f5;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #adb5bd;
  --gray-500: #868e96;
  --gray-600: #495057;
  --gray-700: #343a40;
  --gray-800: #212529;
  --gray-900: #111111;
  --accent: #155263;
  --accent-hover: #0E3D4A;
  --accent-light: rgba(21, 82, 99, 0.08);
  --success: #0d9488;
  --font: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-display: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-h1: "Neue Haas Grotesk Display", "Helvetica Neue", Arial, sans-serif;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.1);
  --nav-height: 64px;
  --nav-height-scrolled: 56px;
  --nav-link-size: 0.8125rem;
  --nav-link-weight: 500;
  --nav-links-gap: 1rem;
  --logo-height: 44px;
  --logo-height-scrolled: 36px;
  --max-width: 1280px;
  --page-gutter: 1rem;
  --hero-col-text: minmax(0, 1fr);
  --hero-col-form: minmax(0, 1fr);
  --hero-col-gap: 1.5rem;
  --section-py: 3.5rem;
  --touch-min: 44px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-top: env(safe-area-inset-top, 0px);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--gray-800);
  background: var(--white);
  overflow-x: hidden;
  padding-bottom: var(--safe-bottom);
}

body.menu-open {
  overflow: hidden;
  touch-action: none;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul { list-style: none; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  z-index: 2000;
  padding: 0.75rem 1rem;
  background: var(--black);
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--page-gutter);
}

/* ─── Typography ─── */
.section-label {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  opacity: 1;
  transform: none;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.875rem, 4vw, 2.75rem);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--black);
}

.section-subtitle {
  font-size: clamp(1rem, 2vw, 1.125rem);
  line-height: 1.7;
  color: var(--gray-600);
  max-width: 640px;
  margin-top: 1.25rem;
}

h1 {
  font-family: var(--font-h1);
  font-weight: 500;
  letter-spacing: clamp(-0.04em, -0.018em - 0.11vw, -0.02em);
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: var(--touch-min);
  padding: 0.75rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: 2px;
  transition: background 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
  white-space: nowrap;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

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

.btn-primary:hover {
  background: var(--gray-800);
  box-shadow: var(--shadow-md);
}

@media (hover: hover) {
  .btn-primary:hover { transform: translateY(-1px); }
  .btn-accent:hover { transform: translateY(-1px); }
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline {
  background: transparent;
  color: var(--black);
  border: 1px solid var(--gray-300);
}

.btn-outline:hover {
  border-color: var(--black);
  background: var(--gray-50);
}

.btn-accent {
  background: var(--accent);
  color: var(--white);
}

.btn-accent:hover {
  background: var(--accent-hover);
  box-shadow: var(--shadow-md);
}

/* ─── Navigation ─── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: calc(var(--nav-height) + var(--safe-top));
  padding-top: var(--safe-top);
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease), height 0.4s var(--ease);
}

.nav.scrolled {
  height: calc(var(--nav-height-scrolled) + var(--safe-top));
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--gray-200);
}

@media (min-width: 1024px) {
  .nav.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
  }
}

.nav.scrolled .nav-link { color: var(--gray-700); }
.nav.scrolled .nav-link:hover { color: var(--black); }
.nav.scrolled .nav-toggle span { background: var(--black); }

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  height: 100%;
}

.nav-logo {
  flex-shrink: 0;
  margin-left: -0.5rem;
  display: block;
  transition: margin-left 0.4s var(--ease), transform 0.4s var(--ease), padding-top 0.4s var(--ease);
}

.nav.scrolled .nav-logo {
  margin-left: -0.375rem;
}

.nav-logo img {
  height: var(--logo-height);
  width: auto;
  transition: height 0.4s var(--ease), opacity 0.35s var(--ease);
}

.nav-logo .nav-logo-img--light {
  display: block;
}

.nav-logo .nav-logo-img--dark {
  display: none;
}

.nav.scrolled .nav-logo .nav-logo-img--light {
  display: none;
}

.nav.scrolled .nav-logo .nav-logo-img--dark {
  display: block;
  height: var(--logo-height-scrolled);
}

/* Logo: 80% nas páginas internas · 45% na home (nav no topo) */
.nav:not(.scrolled) .nav-logo {
  transform: translateY(80%);
}

.home-page .nav:not(.scrolled) .nav-logo {
  transform: translateY(25%);
  margin-left: -0.875rem;
}

.nav.scrolled .nav-logo {
  transform: none;
}

.nav-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0;
}

.nav-links {
  display: none;
  align-items: center;
  gap: var(--nav-links-gap);
}

.nav-link {
  font-size: var(--nav-link-size);
  font-weight: var(--nav-link-weight);
  color: rgba(255, 255, 255, 0.85);
  transition: color 0.3s;
  letter-spacing: 0.01em;
}

.nav-link:hover { color: var(--white); }

.nav-cta {
  display: none;
  font-size: var(--nav-link-size);
  font-weight: 600;
  padding: 0.625rem 1.25rem;
  background: var(--white);
  color: var(--black);
  border-radius: 2px;
  transition: all 0.3s var(--ease);
  min-height: var(--touch-min);
  align-items: center;
}

.nav-cta:hover {
  background: var(--gray-100);
  transform: translateY(-1px);
}

.nav.scrolled .nav-cta {
  background: var(--black);
  color: var(--white);
}

.nav.scrolled .nav-cta:hover {
  background: var(--gray-800);
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  min-width: var(--touch-min);
  min-height: var(--touch-min);
  padding: 10px;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--white);
  transition: all 0.3s;
}

/* ─── Hero ─── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-start;
  overflow: hidden;
  background: var(--black);
}

.hero-media-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(10, 10, 10, 0.92) 0%,
    rgba(10, 10, 10, 0.78) 45%,
    rgba(10, 10, 10, 0.9) 100%
  );
  z-index: 1;
}

.hero-grid {
  position: absolute;
  inset: 0;
  z-index: 2;
  opacity: 0.04;
  background-image:
    linear-gradient(rgba(255,255,255,0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.5) 1px, transparent 1px);
  background-size: 80px 80px;
}

.hero-inner {
  position: relative;
  z-index: 3;
  width: 100%;
  padding-top: calc(var(--nav-height) + var(--safe-top) + 1.5rem);
  padding-bottom: 2.5rem;
  padding-left: var(--page-gutter);
  padding-right: var(--page-gutter);
}

.hero-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--hero-col-gap);
  align-items: start;
}

.hero-content {
  max-width: none;
  text-align: left;
}

.hero-headline {
  font-size: clamp(1.75rem, 7.5vw, 4rem);
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 1rem;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease) 0.35s forwards;
}

.hero-subheadline {
  font-size: clamp(0.9375rem, 3.8vw, 1.25rem);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.68);
  max-width: none;
  margin-bottom: 1.5rem;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease) 0.5s forwards;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  opacity: 0;
  animation: fadeUp 0.8s var(--ease) 0.65s forwards;
}

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

.hero-form-wrap {
  opacity: 0;
  animation: fadeUp 0.8s var(--ease) 0.75s forwards;
  width: 100%;
  scroll-margin-top: calc(var(--nav-height) + var(--safe-top) + 1rem);
}

.hero-form {
  position: relative;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 1.25rem;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.28);
}

.hero-form::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.14) 0%,
    rgba(255, 255, 255, 0.05) 45%,
    rgba(21, 82, 99, 0.07) 100%
  );
  pointer-events: none;
}

.hero-form > * {
  position: relative;
  z-index: 1;
}

.hero-form-header h2 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.375rem;
}

.hero-form-header p {
  font-size: 0.875rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.68);
  margin-bottom: 1.25rem;
}

.hero-form-grid {
  display: grid;
  gap: 0.875rem;
  margin-bottom: 1rem;
}

.hero-field {
  display: grid;
  gap: 0.375rem;
}

.hero-field span {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.58);
}

.hero-field input {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(0, 0, 0, 0.28);
  padding: 0.875rem 1rem;
  font: inherit;
  font-size: 1rem;
  color: var(--white);
  border-radius: 0;
  min-height: var(--touch-min);
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease);
  -webkit-appearance: none;
  appearance: none;
}

.hero-field input::placeholder {
  color: rgba(255, 255, 255, 0.38);
}

.hero-field input:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(0, 0, 0, 0.32);
  box-shadow: 0 0 0 3px rgba(21, 82, 99, 0.22);
}

.hero-field input.is-invalid {
  border-color: #e03131;
  box-shadow: 0 0 0 3px rgba(224, 49, 49, 0.12);
}

.hero-honeypot {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}

.hero-form-submit {
  width: 100%;
  border: none;
  cursor: pointer;
}

.hero-form-submit:disabled {
  opacity: 0.7;
  cursor: wait;
}

.hero-form-feedback {
  min-height: 1.25rem;
  margin-top: 0.875rem;
  font-size: 0.8125rem;
  line-height: 1.5;
}

.hero-form-feedback.is-success {
  color: #8ce99a;
}

.hero-form-feedback.is-error {
  color: #ffa8a8;
}

.hero-scroll {
  display: none;
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

/* ─── Social Proof ─── */
.social-proof {
  padding: 2.5rem 0;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
}

.social-proof-header {
  text-align: center;
  margin-bottom: 2rem;
}

.social-proof-header .section-title {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 500;
}

.social-proof-text {
  font-size: 0.9375rem;
  color: var(--gray-500);
  max-width: 560px;
  margin: 0.75rem auto 0;
  line-height: 1.65;
}

.logo-marquee {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.logo-track {
  display: flex;
  gap: 4rem;
  animation: marquee 40s linear infinite;
  width: max-content;
}

.logo-item {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 140px;
  height: 56px;
  padding: 0.5rem 1rem;
}

.logo-item img {
  max-width: 100%;
  max-height: 48px;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.55;
  transition: filter 0.35s var(--ease), opacity 0.35s var(--ease);
}

.logo-item:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

/* ─── Stats ─── */
.stats {
  padding: 2.25rem 0;
  background: var(--black);
  color: var(--white);
}

.stats .section-label { color: rgba(255,255,255,0.45); }
.stats .section-title {
  color: var(--white);
  margin-bottom: 1.25rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: rgba(255, 255, 255, 0.08);
}

.stat-item {
  background: var(--black);
  padding: 1rem 0.75rem;
  text-align: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(1.625rem, 3.5vw, 2.375rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 0.375rem;
  color: var(--white);
}

.stat-number .prefix,
.stat-number .suffix {
  font-size: 0.65em;
  font-weight: 400;
}

.stat-label {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.02em;
  line-height: 1.35;
}

/* ─── Hub — Cards para Cases, Aplicações, Conteúdo ─── */
.hub {
  padding: var(--section-py) 0;
  background: var(--off-white);
  position: relative;
  overflow: hidden;
}

.hub::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 100% 0%, rgba(21, 82, 99, 0.06), transparent 55%),
    radial-gradient(circle at 0% 100%, rgba(13, 148, 136, 0.05), transparent 45%);
  pointer-events: none;
}

.hub .container {
  position: relative;
  z-index: 1;
}

.hub-header {
  max-width: 640px;
  margin-bottom: 2rem;
}

.hub-lead {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--gray-600);
  margin-top: 0.75rem;
}

.hub-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.875rem;
}

.hub-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 220px;
  padding: 1.5rem;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--gray-200);
  background: var(--white);
  color: inherit;
  text-decoration: none;
  transition:
    transform 0.45s var(--ease),
    box-shadow 0.45s var(--ease),
    border-color 0.35s var(--ease);
  -webkit-tap-highlight-color: transparent;
}

.hub-card-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hub-card-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}

.hub-card-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    to top,
    rgba(10, 10, 10, 0.92) 0%,
    rgba(10, 10, 10, 0.55) 45%,
    rgba(10, 10, 10, 0.2) 100%
  );
}

.hub-card-pattern {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.5;
  pointer-events: none;
}

.hub-card-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.hub-card-tag {
  align-self: flex-start;
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.3rem 0.55rem;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.hub-card--aplicacoes .hub-card-tag,
.hub-card--insights .hub-card-tag {
  background: rgba(255, 255, 255, 0.65);
  color: var(--gray-700);
  border-color: rgba(255, 255, 255, 0.8);
}

.hub-card-title {
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 3vw, 1.75rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--white);
}

.hub-card--aplicacoes .hub-card-title,
.hub-card--insights .hub-card-title {
  color: var(--black);
}

.hub-card-desc {
  font-size: 0.875rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.72);
  max-width: 42ch;
}

.hub-card--aplicacoes .hub-card-desc,
.hub-card--insights .hub-card-desc {
  color: var(--gray-600);
}

.hub-card-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--white);
  transition: gap 0.3s var(--ease);
}

.hub-card--aplicacoes .hub-card-cta { color: var(--accent); }
.hub-card--lorawan .hub-card-cta { color: #74c0fc; }
.hub-card--insights .hub-card-cta { color: var(--success); }
.hub-card--trends .hub-card-cta { color: #b197fc; }

.hub-card-cta svg {
  transition: transform 0.3s var(--ease);
}

.hub-card--aplicacoes {
  background: linear-gradient(145deg, #f0f6ff 0%, #e8f4fc 50%, #f8fafc 100%);
  border-color: rgba(21, 82, 99, 0.12);
}

.hub-card--aplicacoes .hub-card-pattern {
  background:
    radial-gradient(circle at 80% 20%, rgba(21, 82, 99, 0.15), transparent 50%),
    linear-gradient(135deg, transparent 60%, rgba(21, 82, 99, 0.06) 100%);
}

.hub-card--artigos {
  background: linear-gradient(145deg, #0a0a0a 0%, #111111 50%, var(--black) 100%);
  border-color: rgba(255, 255, 255, 0.12);
}

.hub-card--artigos .hub-card-tag {
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.85);
  border-color: rgba(255, 255, 255, 0.15);
}

.hub-card--artigos .hub-card-title { color: var(--white); }
.hub-card--artigos .hub-card-desc { color: rgba(255, 255, 255, 0.72); }
.hub-card--artigos .hub-card-cta { color: var(--white); }

.hub-card--artigos .hub-card-pattern {
  background:
    radial-gradient(circle at 10% 90%, rgba(21, 82, 99, 0.22), transparent 45%),
    linear-gradient(135deg, transparent 55%, rgba(255, 255, 255, 0.04) 100%);
}

.hub-card--lorawan {
  background: linear-gradient(160deg, #0a1628 0%, #0d2137 100%);
  border-color: rgba(77, 159, 255, 0.2);
}

.hub-card--lorawan .hub-card-pattern {
  opacity: 0.35;
  background-image: radial-gradient(circle at center, rgba(77, 159, 255, 0.35) 1px, transparent 1px);
  background-size: 28px 28px;
}

.hub-card--lorawan .hub-card-tag {
  background: rgba(77, 159, 255, 0.15);
  color: rgba(255, 255, 255, 0.9);
  border-color: rgba(77, 159, 255, 0.3);
}

.hub-card--lorawan .hub-card-title { color: var(--white); }
.hub-card--lorawan .hub-card-desc { color: rgba(255, 255, 255, 0.65); }

.hub-card--aiot {
  background: linear-gradient(145deg, #12101f 0%, #1a1535 50%, #0d1520 100%);
  border-color: rgba(112, 72, 232, 0.22);
}

.hub-card--aiot .hub-card-tag {
  background: rgba(112, 72, 232, 0.18);
  color: rgba(255, 255, 255, 0.9);
  border-color: rgba(112, 72, 232, 0.35);
}

.hub-card--aiot .hub-card-title { color: var(--white); }
.hub-card--aiot .hub-card-desc { color: rgba(255, 255, 255, 0.62); }
.hub-card--aiot .hub-card-cta { color: #b197fc; }

.hub-card--aiot .hub-card-pattern {
  background:
    radial-gradient(circle at 85% 15%, rgba(112, 72, 232, 0.25), transparent 50%),
    radial-gradient(circle at 10% 90%, rgba(21, 82, 99, 0.15), transparent 45%);
}

.hub-card--insights {
  background: linear-gradient(145deg, var(--white) 0%, var(--gray-50) 100%);
}

.hub-card--insights .hub-card-pattern {
  background: linear-gradient(90deg, var(--accent) 0%, transparent 3px) 0 0 / 24px 100%;
  opacity: 0.08;
}

.hub-card--trends {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  border-color: rgba(112, 72, 232, 0.25);
}

.hub-card--trends .hub-card-pattern {
  background:
    radial-gradient(ellipse at 100% 0%, rgba(112, 72, 232, 0.35), transparent 55%),
    radial-gradient(circle at 0% 100%, rgba(21, 82, 99, 0.2), transparent 50%);
  opacity: 0.8;
}

.hub-card--trends .hub-card-tag {
  background: rgba(112, 72, 232, 0.25);
  color: #e5dbff;
  border-color: rgba(112, 72, 232, 0.4);
}

.hub-card--trends .hub-card-title { color: var(--white); }
.hub-card--trends .hub-card-desc { color: rgba(255, 255, 255, 0.68); }

@media (hover: hover) {
  .hub-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
  }

  .hub-card--cases:hover .hub-card-bg img {
    transform: scale(1.06);
  }

  .hub-card:hover .hub-card-cta {
    gap: 0.625rem;
  }

  .hub-card:hover .hub-card-cta svg {
    transform: translateX(3px);
  }
}

@media (min-width: 640px) {
  .hub-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .hub-card--cases {
    grid-column: span 2;
    min-height: 280px;
  }

  .hub-card--trends {
    grid-column: 1 / -1;
  }

  .hub-card {
    min-height: 240px;
  }
}

@media (min-width: 1024px) {
  .hub-header {
    margin-bottom: 2.5rem;
  }

  .hub-grid {
    grid-template-columns: repeat(6, 1fr);
    gap: 1rem;
  }

  .hub-card--cases {
    grid-column: span 4;
    min-height: 320px;
  }

  .hub-card--aplicacoes {
    grid-column: span 2;
    min-height: 320px;
  }

  .hub-card--lorawan,
  .hub-card--insights {
    grid-column: span 2;
    min-height: 260px;
  }

  .hub-card--trends {
    grid-column: 1 / -1;
    min-height: 220px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hub-card,
  .hub-card-bg img,
  .hub-card-cta svg {
    transition: none;
  }
}

/* ─── About ─── */
.about {
  padding: var(--section-py) 0;
  background: var(--off-white);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: start;
}

.about-visual {
  position: relative;
  aspect-ratio: 2/3;
  overflow: hidden;
  border-radius: 2px;
}

.about-visual picture,
.about-visual img {
  width: 100%;
  height: 100%;
  display: block;
}

.about-visual img {
  object-fit: cover;
  object-position: center center;
  background: #0d1117;
}

.about-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(135deg, rgba(21, 82, 99, 0.12) 0%, transparent 55%);
  pointer-events: none;
}

.about-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  border: 1px solid rgba(0, 0, 0, 0.06);
  pointer-events: none;
}

.about-content p {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--gray-600);
  margin-bottom: 1.25rem;
}

.about-content p strong {
  color: var(--black);
  font-weight: 500;
}

.about-highlight {
  margin-top: 2rem;
  padding-left: 1.25rem;
  border-left: 2px solid var(--accent);
}

.about-highlight p {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--black);
  line-height: 1.5;
  margin: 0;
}

/* ─── Home: seções mais compactas + foto Sobre elevada ─── */
body.home-page {
  --section-py: 2.5rem;
}

body.home-page .social-proof {
  padding: 1.75rem 0;
}

body.home-page .social-proof-header {
  margin-bottom: 1.5rem;
}

body.home-page .stats {
  padding: 1.75rem 0;
}

body.home-page .hub-header,
body.home-page .services-header,
body.home-page .cases-header,
body.home-page .methodology-header {
  margin-bottom: 1.5rem;
}

body.home-page .about-grid {
  gap: 1.5rem;
}

body.home-page .about-visual {
  margin-top: -0.75rem;
}

body.home-page .about-visual img {
  object-position: center center;
}

/* ─── Services ─── */
.services {
  padding: var(--section-py) 0;
  background: var(--white);
}

.services-header {
  max-width: none;
  margin-bottom: 2rem;
}

.services-header-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  align-items: center;
}

.services-header-copy {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.services-header-copy .section-label {
  margin-bottom: 0;
}

.services-header-copy .section-title {
  margin-bottom: 0;
  line-height: 1.12;
}

.services-header-copy .section-subtitle {
  margin-top: 0;
  max-width: none;
}

.services-header-visual {
  margin: 0;
  border-radius: 2px;
  overflow: hidden;
  background: #1a1033;
}

.services-header-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--gray-200);
  border: 1px solid var(--gray-200);
}

.service-card {
  background: var(--white);
  padding: 1.5rem;
  transition: background 0.4s var(--ease);
  position: relative;
}

.service-card:hover {
  background: var(--white);
}

.service-number {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--gray-400);
  margin-bottom: 1.5rem;
}

.service-title {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--black);
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

.service-desc {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.service-tag {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 0.3rem 0.625rem;
  background: var(--gray-100);
  color: var(--gray-600);
  border-radius: 2px;
  transition: background 0.3s;
}

.service-card:hover .service-tag {
  background: var(--gray-100);
  color: var(--gray-600);
}

/* ─── Cases ─── */
.cases {
  padding: var(--section-py) 0;
  background: var(--gray-50);
}

.cases-header {
  margin-bottom: 2rem;
}

.cases-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.case-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 2px;
  overflow: hidden;
  transition: all 0.4s var(--ease);
  display: flex;
  flex-direction: column;
}

.case-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--gray-300);
}

@media (hover: hover) {
  .case-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: transparent;
  }

  .case-card:hover .case-image img {
    transform: scale(1.04);
  }

  .service-card:hover { background: var(--gray-50); }
  .service-card:hover .service-tag {
    background: var(--accent-light);
    color: var(--accent);
  }
}

.case-image {
  aspect-ratio: 16/10;
  overflow: hidden;
  position: relative;
}

.case-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.case-category {
  position: absolute;
  top: 1rem;
  left: 1rem;
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.375rem 0.75rem;
  background: var(--black);
  color: var(--white);
}

.case-body {
  padding: 1.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.case-meta {
  font-size: 0.75rem;
  color: var(--gray-400);
  margin-bottom: 0.75rem;
  letter-spacing: 0.02em;
}

.case-body h3 {
  font-size: 1.0625rem;
  font-weight: 500;
  color: var(--black);
  margin-bottom: 0.875rem;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.case-copy {
  font-size: 0.8125rem;
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.case-copy:last-of-type {
  margin-bottom: 1rem;
}

.case-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-bottom: 1.25rem;
}

.case-tech span {
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 0.3rem 0.55rem;
  background: var(--gray-100);
  color: var(--gray-600);
  border-radius: 2px;
}

.case-detail {
  margin-bottom: 1rem;
}

.case-detail-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 0.25rem;
}

.case-detail p {
  font-size: 0.8125rem;
  color: var(--gray-600);
  line-height: 1.55;
}

.case-results {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0 1.5rem;
}

.case-result-tag {
  font-size: 0.6875rem;
  font-weight: 500;
  padding: 0.35rem 0.625rem;
  background: rgba(13, 148, 136, 0.08);
  color: var(--success);
  border-radius: 2px;
}

.case-card .btn-outline {
  margin-top: auto;
  width: 100%;
  font-size: 0.8125rem;
  padding: 0.75rem;
}

/* ─── Methodology ─── */
.methodology {
  padding: var(--section-py) 0;
  background: var(--off-white);
}

.methodology-header {
  margin-bottom: 2rem;
}

.methodology-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  position: relative;
}

.methodology-steps::before {
  display: none;
}

.method-step {
  text-align: left;
  padding: 0;
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 1rem;
  row-gap: 0.25rem;
  align-items: start;
}

.method-step .step-number {
  grid-row: 1 / span 2;
  align-self: start;
}

@media (min-width: 1024px) {
  .method-step {
    text-align: center;
    padding: 0 1rem;
    display: block;
  }

  .method-step .step-number {
    grid-row: auto;
  }
}

.step-number {
  width: 48px;
  height: 48px;
  margin: 0;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--white);
  background: var(--black);
  border-radius: 50%;
  position: relative;
  z-index: 1;
}

@media (min-width: 1024px) {
  .step-number {
    width: 56px;
    height: 56px;
    margin: 0 auto 1.5rem;
    font-size: 0.875rem;
  }
}

.step-title {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--black);
  margin-bottom: 0.5rem;
}

.step-desc {
  font-size: 0.8125rem;
  color: var(--gray-500);
  line-height: 1.5;
}

.methodology-article {
  margin-top: clamp(2.5rem, 5vw, 4rem);
}

.methodology-article-inner {
  max-width: none;
  width: 100%;
  margin: 0;
  padding: clamp(1.75rem, 4vw, 2.5rem);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-left: 3px solid var(--accent);
  border-radius: 2px;
}

.methodology-article .section-label {
  margin-bottom: 0.75rem;
}

.methodology-article h3 {
  font-family: var(--font-h1);
  font-size: clamp(1.25rem, 3vw, 1.625rem);
  font-weight: 500;
  color: var(--black);
  margin-bottom: 1rem;
  line-height: 1.3;
}

.methodology-article p {
  font-size: 0.9375rem;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.methodology-article p:last-of-type {
  margin-bottom: 0;
}

.methodology-article p strong {
  color: var(--black);
  font-weight: 500;
}

.methodology-article-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.875rem;
}

.methodology-article-list li {
  font-size: 0.875rem;
  color: var(--gray-600);
  padding-left: 1.25rem;
  position: relative;
  line-height: 1.55;
}

.methodology-article-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

.methodology-article-list strong {
  color: var(--black);
  font-weight: 500;
}

/* ─── Vision ─── */
.vision {
  padding: var(--section-py) 0;
  background: var(--white);
  position: relative;
  overflow: hidden;
}

.vision-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: start;
}

.vision-content .section-title {
  margin-bottom: 1.5rem;
}

.vision-content p {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--gray-600);
  margin-bottom: 1rem;
}

.vision-visual {
  position: relative;
}

.vision-visual img {
  width: 100%;
  aspect-ratio: 16/11;
  object-fit: cover;
  border-radius: 2px;
}

.vision-stat-float {
  position: static;
  margin-top: 1.25rem;
  display: inline-block;
  background: var(--black);
  color: var(--white);
  padding: 1.25rem 1.5rem;
  border-radius: 2px;
}

.vision-stat-float .stat-number {
  font-size: 2rem;
}

.vision-stat-float .stat-label {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
}

/* ─── FAQ ─── */
.faq {
  padding: var(--section-py) 0;
  background: var(--gray-50);
}

.faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: start;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--gray-200);
  background: var(--white);
  border-radius: 2px;
}

.faq-item {
  border-bottom: 1px solid var(--gray-200);
}

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

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.125rem;
  min-height: var(--touch-min);
  text-align: left;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--black);
  transition: background 0.3s;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.faq-question:hover { background: var(--gray-50); }

.faq-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  position: relative;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--gray-400);
  transition: transform 0.3s var(--ease);
}

.faq-icon::before {
  top: 50%;
  left: 2px;
  right: 2px;
  height: 1.5px;
  transform: translateY(-50%);
}

.faq-icon::after {
  left: 50%;
  top: 2px;
  bottom: 2px;
  width: 1.5px;
  transform: translateX(-50%);
}

.faq-item.active .faq-icon::after {
  transform: translateX(-50%) rotate(90deg);
  opacity: 0;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease);
}

.faq-answer-inner {
  padding: 0 1.5rem 1.25rem;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--gray-600);
}

/* ─── CTA Final ─── */
.cta-final {
  padding: var(--section-py) 0;
  background: var(--black);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-final::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 100%, rgba(21, 82, 99, 0.15) 0%, transparent 70%);
}

.cta-final-inner {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin: 0 auto;
}

.cta-final .section-title {
  color: var(--white);
  margin-bottom: 1.25rem;
}

.cta-final p {
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.65;
  margin-bottom: 2.5rem;
}

/* ─── Footer ─── */
.footer {
  padding: 3rem 0 calc(1.5rem + var(--safe-bottom));
  background: var(--gray-900);
  color: rgba(255, 255, 255, 0.5);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-brand img {
  height: 48px;
  width: auto;
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: 0.8125rem;
  line-height: 1.65;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.35);
  margin-bottom: 1rem;
}

.footer-col a {
  display: block;
  font-size: 0.8125rem;
  padding: 0.3rem 0;
  transition: color 0.3s;
}

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

.footer-address {
  margin-top: 1rem;
  font-style: normal;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.45);
}

.footer-address strong {
  font-weight: 500;
  color: rgba(255, 255, 255, 0.6);
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.75rem;
}

.footer-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.footer-keywords span {
  font-size: 0.625rem;
  padding: 0.25rem 0.5rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 2px;
  color: rgba(255, 255, 255, 0.3);
}

/* ─── Animations ─── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

.reveal {
  opacity: 0;
  transform: translate3d(0, 2rem, 0);
  transition:
    opacity 0.85s var(--ease),
    transform 0.85s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

.reveal.reveal-from-left {
  transform: translate3d(-1.25rem, 1.75rem, 0);
}

.reveal.reveal-from-right {
  transform: translate3d(1.25rem, 1.75rem, 0);
}

.reveal.visible,
.reveal.reveal-from-left.visible,
.reveal.reveal-from-right.visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

/* ─── Mobile Nav ─── */
.mobile-menu {
  display: flex;
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(10, 10, 10, 0.98);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: calc(var(--safe-top) + 4rem) 1.5rem calc(2rem + var(--safe-bottom));
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.35s var(--ease), visibility 0.35s;
  -webkit-overflow-scrolling: touch;
  overflow-y: auto;
}

.mobile-menu.open {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
}

.mobile-menu a {
  font-size: 1.125rem;
  font-weight: var(--nav-link-weight);
  color: var(--white);
  min-height: var(--touch-min);
  display: inline-flex;
  align-items: center;
  padding: 0.625rem 1.25rem;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.mobile-menu .btn-primary {
  margin-top: 1rem;
  width: min(100%, 280px);
}

/* ─── Section Nav (floating right) ─── */
.section-nav {
  display: none;
  position: fixed;
  right: 1.5rem;
  top: 50%;
  z-index: 900;
  transform: translateY(-50%) translateX(1.25rem);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease), visibility 0.5s;
}

.section-nav.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(-50%) translateX(0);
}

.section-nav-inner {
  position: relative;
  display: flex;
  align-items: stretch;
  width: 2.625rem;
  overflow: hidden;
  padding: 0.875rem 0.625rem;
  background: rgba(10, 10, 10, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.24);
  transition: width 0.4s var(--ease);
}

.section-nav:hover .section-nav-inner,
.section-nav:focus-within .section-nav-inner {
  width: 10.875rem;
}

.section-nav-rail {
  position: absolute;
  left: 1.125rem;
  top: 1.25rem;
  bottom: 1.25rem;
  width: 2px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 0;
  overflow: hidden;
}

.section-nav-progress {
  width: 100%;
  height: 0%;
  background: linear-gradient(180deg, var(--accent) 0%, #2A8899 100%);
  border-radius: 0;
  transition: height 0.15s linear;
  box-shadow: 0 0 12px rgba(21, 82, 99, 0.5);
}

.section-nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.section-nav-link {
  position: relative;
  display: grid;
  grid-template-columns: 1.125rem minmax(0, 1fr);
  align-items: center;
  gap: 0.75rem;
  padding: 0.45rem 0.5rem 0.45rem 0.25rem;
  text-decoration: none;
  color: inherit;
  border-radius: 0;
  transition: background 0.3s var(--ease);
}

.section-nav-link:hover,
.section-nav-link:focus-visible {
  background: rgba(255, 255, 255, 0.06);
  outline: none;
}

.section-nav-dot {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  margin-left: 0.625rem;
  border-radius: 0;
  background: rgba(255, 255, 255, 0.25);
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  transition: all 0.35s var(--ease);
}

.section-nav-link.is-active .section-nav-dot {
  width: 10px;
  height: 10px;
  margin-left: 0.5rem;
  background: var(--accent);
  border-color: rgba(255, 255, 255, 0.9);
  box-shadow: 0 0 0 2px rgba(21, 82, 99, 0.25), 0 0 12px rgba(21, 82, 99, 0.55);
}

.section-nav-label {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 0;
  transition: opacity 0.3s var(--ease), color 0.3s;
}

.section-nav-link:hover .section-nav-label,
.section-nav-link:focus-visible .section-nav-label {
  opacity: 1;
}

.section-nav-link.is-active .section-nav-label {
  color: var(--white);
}

.section-nav:hover .section-nav-label,
.section-nav:focus-within .section-nav-label {
  opacity: 1;
}

/* ─── WhatsApp Floater ─── */
.whatsapp-floater {
  position: fixed;
  right: 1rem;
  bottom: calc(1rem + var(--safe-bottom));
  z-index: 950;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3.25rem;
  height: 3.25rem;
  background: var(--black);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 50%;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.28);
  text-decoration: none;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), background 0.35s var(--ease);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.whatsapp-floater svg {
  width: 1.625rem;
  height: 1.625rem;
}

@media (hover: hover) {
  .whatsapp-floater:hover,
  .whatsapp-floater:focus-visible {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.36);
    background: #111;
    outline: none;
  }
}

.whatsapp-floater:active {
  transform: scale(0.96);
}

/* ─── Responsive (mobile-first) ─── */
@media (min-width: 640px) {
  :root {
    --page-gutter: 1.25rem;
    --section-py: 4rem;
  }

  body.home-page {
    --section-py: 3rem;
  }

  body.home-page .social-proof {
    padding: 2rem 0;
  }

  body.home-page .stats {
    padding: 2rem 0;
  }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .social-proof { padding: 3rem 0; }
  .social-proof-header { margin-bottom: 2.5rem; }
  .cases-grid { gap: 1.5rem; }
  .case-body { padding: 1.5rem; }
}

@media (min-width: 768px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .services-header-row {
    grid-template-columns: minmax(0, 1fr) minmax(220px, 42%);
    gap: clamp(1.5rem, 3vw, 2.5rem);
    align-items: center;
  }
  .hero-actions { flex-direction: row; flex-wrap: wrap; }
  .hero-actions .btn { width: auto; }
}

@media (min-width: 1024px) {
  :root {
    --nav-height: 80px;
    --nav-height-scrolled: 72px;
    --nav-link-size: 0.875rem;
    --nav-links-gap: 1.25rem;
    --logo-height: 64px;
    --logo-height-scrolled: 44px;
    --page-gutter: clamp(1.5rem, 3vw, 2.5rem);
    --hero-col-text: minmax(0, 1.1fr);
    --hero-col-form: minmax(320px, 420px);
    --hero-col-gap: clamp(2rem, 4vw, 4rem);
    --section-py: clamp(5rem, 10vw, 8rem);
  }

  body.home-page {
    --section-py: clamp(3rem, 5vw, 4.5rem);
  }

  body.home-page .about-grid {
    gap: clamp(2rem, 3.5vw, 3rem);
    align-items: start;
  }

  body.home-page .about-visual {
    margin-top: -2.5rem;
  }

  body.home-page .hub-header,
  body.home-page .services-header,
  body.home-page .cases-header,
  body.home-page .methodology-header {
    margin-bottom: 2.25rem;
  }

  .nav-inner {
    display: grid;
    grid-template-columns: var(--hero-col-text) var(--hero-col-form);
    gap: var(--hero-col-gap);
  }

  .nav-logo {
    grid-column: 1;
    justify-self: start;
    margin-left: -1.125rem;
    padding-top: 0;
    align-items: flex-start;
  }

  .nav:not(.scrolled) .nav-logo {
    transform: none;
    padding-top: calc(var(--nav-height) * 0.8);
  }

  .home-page .nav:not(.scrolled) .nav-logo {
    padding-top: calc(var(--nav-height) * 0.25);
    margin-left: -1.5rem;
  }

  .nav.scrolled .nav-logo {
    padding-top: 0;
    align-self: center;
    margin-left: -0.75rem;
  }

  .nav-actions {
    grid-column: 2;
    gap: 1.25rem;
  }

  .nav-links { display: flex; }
  .nav-cta { display: inline-flex; }
  .nav-toggle { display: none; }

  .section-nav { display: block; }

  .hero {
    align-items: center;
    min-height: 100dvh;
  }

  .hero-overlay {
    background: linear-gradient(
      135deg,
      rgba(10, 10, 10, 0.88) 0%,
      rgba(10, 10, 10, 0.72) 50%,
      rgba(10, 10, 10, 0.85) 100%
    );
  }

  .hero-inner {
    padding-top: calc(var(--nav-height) + var(--safe-top) + 4rem);
    padding-bottom: 6rem;
    padding-left: var(--page-gutter);
    padding-right: var(--page-gutter);
  }

  .hero-layout {
    grid-template-columns: var(--hero-col-text) var(--hero-col-form);
    align-items: center;
  }

  .hero-content { max-width: 720px; }

  .hero-headline {
    font-size: clamp(2.25rem, 5.5vw, 4rem);
    line-height: 1.08;
    margin-bottom: 1.5rem;
  }

  .hero-subheadline {
    max-width: 620px;
    margin-bottom: 2.5rem;
    line-height: 1.65;
  }

  .hero-form {
    backdrop-filter: blur(28px) saturate(160%);
    -webkit-backdrop-filter: blur(28px) saturate(160%);
    padding: 1.5rem;
    box-shadow:
      0 24px 64px rgba(0, 0, 0, 0.32),
      inset 0 1px 0 rgba(255, 255, 255, 0.14);
  }

  .hero-scroll {
    display: flex;
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.35);
    font-size: 0.625rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
  }

  .social-proof { padding: 4rem 0; }
  .social-proof-header { margin-bottom: 3rem; }
  .logo-item { width: 180px; height: 72px; padding: 0.75rem 1.25rem; }

  .stats-grid { grid-template-columns: repeat(3, 1fr); }
  .stat-item { padding: 1.125rem 0.875rem; }

  .stats {
    padding: 2.75rem 0;
  }

  .stats .section-title {
    margin-bottom: 1.5rem;
  }

  .about-grid {
    grid-template-columns: 1fr 1fr;
    gap: clamp(3rem, 6vw, 6rem);
    align-items: center;
  }

  .services-header { margin-bottom: 4rem; }
  .services-grid { grid-template-columns: repeat(3, 1fr); }
  .service-card { padding: clamp(2rem, 3vw, 2.5rem); }

  .cases-header { margin-bottom: 4rem; }
  .cases-grid {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 340px), 1fr));
  }

  .methodology-header { margin-bottom: 4rem; }
  .methodology-steps {
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
  }

  .methodology-steps::before {
    display: block;
    content: "";
    position: absolute;
    top: 28px;
    left: 10%;
    right: 10%;
    height: 1px;
    background: var(--gray-300);
  }

  .vision-inner {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
  }

  .vision-stat-float {
    position: absolute;
    bottom: -1.5rem;
    left: -1.5rem;
    margin-top: 0;
    padding: 1.5rem 2rem;
  }

  .faq-layout {
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
  }

  .faq-question { padding: 1.25rem 1.5rem; }

  .footer {
    padding: 4rem 0 calc(2rem + var(--safe-bottom));
  }

  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
  }

  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
    align-items: center;
    padding-top: 2rem;
  }

  .whatsapp-floater {
    right: 1.5rem;
    bottom: calc(1.5rem + var(--safe-bottom));
    width: 3.5rem;
    height: 3.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .logo-track { animation: none; }
  .reveal,
  .reveal.reveal-from-left,
  .reveal.reveal-from-right {
    opacity: 1;
    transform: none;
    transition: none;
  }
}