/* =============================================
   THR TECNOLOGIA — ECOSSISTEMA DE AUTONOMIA
   Design System & Global Styles
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700;800;900&family=Open+Sans:wght@300;400;500;600&display=swap');

/* ── CSS Variables ─────────────────────────── */
:root {
  --blue-tech:    #086F9D;
  --blue-dark:    #054E70;
  --blue-light:   #0A8EC4;
  --blue-deep:    #033C56;
  --gray-graphite:#606062;
  --gray-light:   #F4F4F5;
  --white:        #FFFFFF;
  --black:        #0D0D0D;

  --font-title:   'Montserrat', sans-serif;
  --font-body:    'Open Sans', sans-serif;

  --shadow-sm:    0 2px 8px rgba(8,111,157,.12);
  --shadow-md:    0 8px 32px rgba(8,111,157,.18);
  --shadow-lg:    0 20px 60px rgba(5,78,112,.25);

  --transition:   all .3s cubic-bezier(.4,0,.2,1);
  --radius:       12px;
  --radius-lg:    20px;

  --nav-h:        80px;
}

/* ── Reset & Base ──────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  scroll-padding-top: var(--nav-h);
}

body {
  font-family: var(--font-body);
  color: var(--black);
  background: var(--white);
  overflow-x: hidden;
  line-height: 1.6;
}

img { max-width: 100%; display: block; }
a  { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ── Utility Classes ───────────────────────── */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-title);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--blue-light);
  background: rgba(10,142,196,.1);
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
  border: 1px solid rgba(10,142,196,.25);
}

.section-title {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  line-height: 1.2;
  color: var(--blue-dark);
  margin-bottom: 16px;
}

.section-title span { color: var(--blue-tech); }

.section-subtitle {
  font-size: 1.05rem;
  color: var(--gray-graphite);
  max-width: 600px;
  line-height: 1.7;
}

.text-center { text-align: center; }
.text-center .section-subtitle { margin: 0 auto; }

/* ── Buttons ───────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: .9rem;
  letter-spacing: .03em;
  padding: 14px 28px;
  border-radius: 50px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--blue-tech);
  color: var(--white);
  border-color: var(--blue-tech);
  box-shadow: 0 4px 20px rgba(8,111,157,.35);
}

.btn-primary:hover {
  background: var(--blue-dark);
  border-color: var(--blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(8,111,157,.45);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.6);
}

.btn-secondary:hover {
  background: rgba(255,255,255,.1);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--blue-tech);
  border-color: var(--blue-tech);
}

.btn-outline:hover {
  background: var(--blue-tech);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-white {
  background: var(--white);
  color: var(--blue-dark);
  border-color: var(--white);
}

.btn-white:hover {
  background: var(--gray-light);
  transform: translateY(-2px);
}

/* ── Scroll Animations ─────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .7s ease, transform .7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity .7s ease, transform .7s ease;
}

.fade-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity .7s ease, transform .7s ease;
}

.fade-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ── NAVBAR ────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: var(--white);
  border-bottom: 1px solid rgba(8,111,157,.1);
  box-shadow: 0 2px 16px rgba(0,0,0,.06);
  transition: var(--transition);
}

#navbar.scrolled {
  height: 80px;
  background: rgba(255,255,255,.97);
  box-shadow: 0 4px 24px rgba(0,0,0,.1);
  backdrop-filter: blur(10px);
}

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

.nav-logo img {
  height: 70px;
  width: auto;
  transition: var(--transition);
}

/* #navbar.scrolled .nav-logo img { height: 50px; } */

.nav-menu {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  font-family: var(--font-title);
  font-size: .85rem;
  font-weight: 600;
  color: var(--blue-dark);
  letter-spacing: .04em;
  transition: var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--blue-tech);
  transition: width .3s ease;
}

.nav-link:hover { color: var(--blue-tech); }
.nav-link:hover::after { width: 100%; }

.nav-cta { margin-left: 16px; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--blue-dark);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* ── HERO ──────────────────────────────────── */
#hero {
  min-height: 100vh;
  background: var(--white);
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--nav-h);
}

/* Blue geometric accent — right side */
#hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 55%;
  height: 100%;
  background: linear-gradient(135deg, #e8f4fb 0%, #cce8f4 50%, #a8d8ef 100%);
  clip-path: polygon(10% 0%, 100% 0%, 100% 100%, 0% 100%);
  pointer-events: none;
  z-index: 0;
}

#hero::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--blue-tech), var(--blue-light), var(--blue-tech));
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
  padding: 80px 0;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(8,111,157,.08);
  border: 1px solid rgba(8,111,157,.2);
  color: var(--blue-tech);
  font-family: var(--font-title);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 8px 18px;
  border-radius: 50px;
  margin-bottom: 28px;
}

.hero-badge span {
  width: 8px; height: 8px;
  background: #4ade80;
  border-radius: 50%;
  animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .7; transform: scale(1.3); }
}

.hero-h1 {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  line-height: 1.1;
  color: var(--blue-dark);
  margin-bottom: 24px;
  letter-spacing: -.02em;
}

.hero-h1 em {
  font-style: normal;
  color: var(--blue-tech);
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--gray-graphite);
  line-height: 1.75;
  margin-bottom: 40px;
  max-width: 540px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 52px;
  padding-top: 40px;
  border-top: 1px solid rgba(8,111,157,.15);
}

.hero-stat-num {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.75rem;
  color: var(--blue-dark);
  line-height: 1;
  margin-bottom: 4px;
}

.hero-stat-label {
  font-size: .8rem;
  color: var(--gray-graphite);
  font-weight: 500;
}

/* Hero visual side */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-img-wrap {
  position: relative;
  width: 100%;
  max-width: 520px;
}

.hero-img-wrap img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.hero-float-card {
  position: absolute;
  background: var(--white);
  border-radius: var(--radius);
  padding: 14px 20px;
  box-shadow: 0 8px 32px rgba(8,111,157,.2);
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-title);
  border: 1px solid rgba(8,111,157,.1);
  animation: float 4s ease-in-out infinite;
}

.hero-float-card:nth-child(2) { animation-delay: -2s; }

.hero-float-card.card-1 {
  bottom: 10%;
  left: -8%;
}

.hero-float-card.card-2 {
  top: 10%;
  right: -8%;
}

.hero-float-card .card-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--blue-tech), var(--blue-light));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.hero-float-card .card-label {
  font-size: .7rem;
  color: var(--gray-graphite);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.hero-float-card .card-val {
  font-size: 1rem;
  font-weight: 800;
  color: var(--blue-dark);
}

/* z-index fix for hero content over ::before */
.hero-grid { position: relative; z-index: 1; }

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

/* ── SOLUTION QUICK ACCESS ─────────────────── */
#solucoes-rapidas {
  padding: 80px 0;
  background: var(--gray-light);
  border-top: 1px solid rgba(8,111,157,.08);
}

.sol-rapidas-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.sol-rapida-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  border: 2px solid transparent;
  transition: var(--transition);
  cursor: pointer;
  display: block;
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

.sol-rapida-card::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--blue-tech), var(--blue-light));
  transform: scaleX(0);
  transition: transform .3s ease;
  transform-origin: left;
}

.sol-rapida-card:hover {
  border-color: var(--blue-tech);
  box-shadow: var(--shadow-md);
  transform: translateY(-6px);
}

.sol-rapida-card:hover::before { transform: scaleX(1); }

.sol-rapida-icon {
  width: 64px; height: 64px;
  background: linear-gradient(135deg, rgba(8,111,157,.1), rgba(10,142,196,.15));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin: 0 auto 18px;
  transition: var(--transition);
}

.sol-rapida-card:hover .sol-rapida-icon {
  background: linear-gradient(135deg, var(--blue-tech), var(--blue-light));
}

.sol-rapida-card h3 {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1rem;
  color: var(--blue-dark);
  margin-bottom: 8px;
}

.sol-rapida-card p {
  font-size: .83rem;
  color: var(--gray-graphite);
  line-height: 1.55;
  margin-bottom: 16px;
}

.sol-rapida-link {
  font-family: var(--font-title);
  font-size: .78rem;
  font-weight: 700;
  color: var(--blue-tech);
  letter-spacing: .04em;
  text-transform: uppercase;
  transition: var(--transition);
}

.sol-rapida-card:hover .sol-rapida-link { color: var(--blue-dark); }

/* ── PAIN POINTS ───────────────────────────── */
#dores {
  padding: 100px 0;
  background: var(--white);
  position: relative;
}

.dores-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.dor-card {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  background: var(--gray-light);
  border-radius: var(--radius);
  padding: 28px;
  border-left: 4px solid var(--blue-tech);
  transition: var(--transition);
}

.dor-card:hover {
  background: var(--white);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-left-color: var(--blue-dark);
}

.dor-icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--blue-tech), var(--blue-light));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(8,111,157,.25);
}

.dor-text h3 {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1rem;
  color: var(--blue-dark);
  margin-bottom: 6px;
}

.dor-text p {
  font-size: .875rem;
  color: var(--gray-graphite);
  line-height: 1.6;
}

.dores-hook {
  margin-top: 48px;
  background: linear-gradient(135deg, var(--blue-dark), var(--blue-tech));
  border-radius: var(--radius-lg);
  padding: 40px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.dores-hook p {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--white);
  max-width: 540px;
}

/* ── SOLUTIONS ─────────────────────────────── */
#solucoes {
  padding: 100px 0;
  background: var(--white);
  position: relative;
  overflow: hidden;
}

#solucoes::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--blue-tech), var(--blue-light), var(--blue-tech));
}

#solucoes .section-title { color: var(--blue-dark); }
#solucoes .section-subtitle { color: var(--gray-graphite); }

.solucoes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.solucao-card {
  background: var(--gray-light);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  transition: var(--transition);
  cursor: default;
  position: relative;
  overflow: hidden;
}

.solucao-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--blue-tech), var(--blue-light));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s ease;
}

.solucao-card:hover::before { transform: scaleX(1); }

.solucao-card:hover {
  background: var(--white);
  border-color: rgba(8,111,157,.15);
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.solucao-card.featured {
  background: var(--blue-tech);
  border-color: var(--blue-light);
  box-shadow: 0 8px 40px rgba(8,111,157,.3);
}

.solucao-card.featured::before { transform: scaleX(1); }

.sol-header {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 20px;
}

.sol-icon-wrap {
  width: 56px; height: 56px;
  background: rgba(8,111,157,.1);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
  border: 1px solid rgba(8,111,157,.15);
}

.solucao-card.featured .sol-icon-wrap {
  background: rgba(255,255,255,.2);
  border-color: rgba(255,255,255,.3);
}

.sol-tag {
  font-family: var(--font-title);
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--blue-tech);
  margin-bottom: 4px;
}

.solucao-card.featured .sol-tag { color: rgba(255,255,255,.8); }

.sol-h3 {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--blue-dark);
  line-height: 1.3;
}

.solucao-card.featured .sol-h3 { color: var(--white); }

.sol-desc {
  font-size: .9rem;
  color: var(--gray-graphite);
  line-height: 1.7;
  margin-bottom: 24px;
}

.solucao-card.featured .sol-desc { color: rgba(255,255,255,.85); }

.sol-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 28px;
}

.sol-feat-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .85rem;
  color: var(--gray-graphite);
}

.sol-feat-item::before {
  content: '✓';
  width: 20px; height: 20px;
  background: rgba(8,111,157,.12);
  color: var(--blue-tech);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .7rem;
  font-weight: 700;
  flex-shrink: 0;
}

.solucao-card.featured .sol-feat-item { color: rgba(255,255,255,.85); }
.solucao-card.featured .sol-feat-item::before {
  background: rgba(255,255,255,.25);
  color: var(--white);
}

.sol-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: .85rem;
  color: var(--blue-tech);
  transition: var(--transition);
}

.sol-cta:hover { gap: 14px; color: var(--blue-dark); }

.solucao-card.featured .sol-cta { color: var(--white); }
.solucao-card.featured .sol-cta:hover { opacity: .8; }

.sol-card-footer {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 24px;
}

.solucao-link {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: .9rem;
  color: var(--blue-tech);
  text-decoration: underline;
  transition: var(--transition);
}

.solucao-link:hover {
  color: var(--blue-dark);
}

.solucao-card.featured .solucao-link {
  color: var(--white);
}

/* ── VERTICALS ─────────────────────────────── */
#verticais {
  padding: 100px 0;
  background: var(--gray-light);
}

.verticais-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 56px;
}

.vertical-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  transition: var(--transition);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.vertical-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--blue-tech), var(--blue-light));
  transform: scaleX(0);
  transition: transform .3s ease;
}

.vertical-card:hover {
  border-color: var(--blue-tech);
  box-shadow: var(--shadow-md);
  transform: translateY(-6px);
}

.vertical-card:hover::after { transform: scaleX(1); }

.vertical-icon {
  font-size: 2.5rem;
  margin-bottom: 20px;
  display: block;
}

.vertical-card h3 {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--blue-dark);
  margin-bottom: 12px;
}

.vertical-card p {
  font-size: .875rem;
  color: var(--gray-graphite);
  line-height: 1.65;
}

.vertical-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
  justify-content: center;
}

.vertical-tag {
  font-family: var(--font-title);
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  background: rgba(8,111,157,.1);
  color: var(--blue-tech);
  padding: 4px 10px;
  border-radius: 50px;
}

/* ── RESULTS ───────────────────────────────── */
#resultados {
  padding: 100px 0;
  background: var(--white);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  margin-top: 56px;
}

.metric-item {
  text-align: center;
  padding: 52px 36px;
  background: var(--blue-dark);
  position: relative;
}

.metric-item:nth-child(2) { background: var(--blue-tech); }
.metric-item:nth-child(3) { background: var(--blue-deep); }

.metric-item::after {
  content: '';
  position: absolute;
  top: 20%; right: 0;
  width: 1px; height: 60%;
  background: rgba(255,255,255,.15);
}

.metric-item:last-child::after { display: none; }

.metric-num {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(2.5rem, 5vw, 4rem);
  color: var(--white);
  line-height: 1;
  margin-bottom: 8px;
}

.metric-label {
  font-family: var(--font-title);
  font-size: .85rem;
  font-weight: 600;
  color: rgba(255,255,255,.75);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.case-section {
  margin-top: 64px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.case-visual img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.case-content .section-tag { margin-bottom: 20px; }

.case-content h2 {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--blue-dark);
  line-height: 1.3;
  margin-bottom: 16px;
}

.case-content p {
  font-size: .95rem;
  color: var(--gray-graphite);
  line-height: 1.75;
  margin-bottom: 28px;
}

.case-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.case-hl {
  background: var(--gray-light);
  border-radius: var(--radius);
  padding: 20px;
  border-left: 3px solid var(--blue-tech);
}

.case-hl-num {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--blue-tech);
  margin-bottom: 4px;
}

.case-hl-label {
  font-size: .8rem;
  color: var(--gray-graphite);
  font-weight: 500;
}



/* ── CONTACT ───────────────────────────────── */
#contato {
  padding: 100px 0;
  background: var(--gray-light);
  position: relative;
  overflow: hidden;
}

#contato::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--blue-tech), var(--blue-light), var(--blue-tech));
}

.contato-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contato-info .section-title { color: var(--blue-dark); }
.contato-info .section-subtitle {
  color: var(--gray-graphite);
  margin-bottom: 40px;
}

.contato-channels {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.channel-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--white);
  border: 1px solid rgba(8,111,157,.12);
  border-radius: var(--radius);
  padding: 18px 22px;
  color: var(--black);
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.channel-item:hover {
  border-color: var(--blue-tech);
  box-shadow: var(--shadow-md);
  transform: translateX(6px);
}

.channel-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.channel-icon.whatsapp { background: #25D366; }
.channel-icon.email    { background: var(--blue-tech); }

.channel-text span {
  display: block;
  font-size: .72rem;
  color: var(--gray-graphite);
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: 2px;
}

.channel-text strong {
  font-family: var(--font-title);
  font-weight: 600;
  font-size: .95rem;
  color: var(--blue-dark);
}

/* Form */
.contact-form {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 44px;
  box-shadow: var(--shadow-lg);
}

.form-title {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--blue-dark);
  margin-bottom: 28px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-group:last-of-type { margin-bottom: 0; }

.form-group label {
  font-family: var(--font-title);
  font-size: .75rem;
  font-weight: 700;
  color: var(--gray-graphite);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-body);
  font-size: .9rem;
  color: var(--black);
  background: var(--gray-light);
  border: 2px solid transparent;
  border-radius: 8px;
  padding: 12px 16px;
  transition: var(--transition);
  outline: none;
  width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue-tech);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(8,111,157,.1);
}

.form-group textarea { resize: vertical; min-height: 100px; }

.btn-submit {
  width: 100%;
  justify-content: center;
  font-size: 1rem;
  padding: 16px;
  margin-top: 20px;
}

.form-success {
  display: none;
  text-align: center;
  padding: 32px;
}

.form-success .success-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.form-success h3 {
  font-family: var(--font-title);
  font-weight: 800;
  color: var(--blue-dark);
  margin-bottom: 8px;
}

.form-success p {
  color: var(--gray-graphite);
  font-size: .9rem;
}

/* Section tag override for light sections */
#contato .section-tag {
  color: var(--blue-tech);
  background: rgba(8,111,157,.08);
  border-color: rgba(8,111,157,.2);
}

/* ── FOOTER ────────────────────────────────── */
footer {
  background: var(--black);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 64px;
  margin-bottom: 56px;
}

.footer-brand img {
  height: 70px;
  width: auto;
  margin-bottom: 16px;
  filter: brightness(1.2);
}

.footer-brand p {
  font-size: .875rem;
  color: rgba(255,255,255,.5);
  line-height: 1.7;
  max-width: 300px;
  margin-bottom: 24px;
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.social-link {
  width: 38px; height: 38px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.6);
  font-size: .9rem;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--blue-tech);
  border-color: var(--blue-tech);
  color: var(--white);
  transform: translateY(-2px);
}

.footer-col h4 {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: .8rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255,255,255,.4);
  margin-bottom: 20px;
}

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

.footer-links a {
  font-size: .875rem;
  color: rgba(255,255,255,.55);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--blue-light);
  padding-left: 6px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-bottom p {
  font-size: .8rem;
  color: rgba(255,255,255,.35);
}

.footer-bottom a {
  color: rgba(255,255,255,.35);
  transition: var(--transition);
}

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

/* ── WhatsApp Float ────────────────────────── */
.whatsapp-float {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 999;
  width: 58px; height: 58px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,.4);
  transition: var(--transition);
  font-size: 1.5rem;
}

.whatsapp-float:hover {
  transform: scale(1.1) translateY(-3px);
  box-shadow: 0 8px 30px rgba(37,211,102,.55);
}

.whatsapp-float::before {
  content: '';
  position: absolute;
  width: 100%; height: 100%;
  border-radius: 50%;
  background: #25D366;
  animation: wa-ripple 2.5s ease infinite;
  z-index: -1;
}

@keyframes wa-ripple {
  0% { transform: scale(1); opacity: .6; }
  100% { transform: scale(1.8); opacity: 0; }
}

/* ── RESPONSIVE ────────────────────────────── */
@media (max-width: 1024px) {
  .verticais-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 48px; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  :root { --nav-h: 80px; }

  html { scroll-padding-top: var(--nav-h); }

  /* Nav Mobile */
  .nav-menu {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 12px 0 24px;
    transform: translateY(-120%);
    opacity: 0;
    transition: transform .35s ease, opacity .35s ease;
    box-shadow: 0 20px 40px rgba(0,0,0,.12);
    border-top: 1px solid rgba(8,111,157,.1);
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
  }

  .nav-link {
    padding: 14px 28px;
    width: 100%;
    font-size: .9rem;
    color: var(--blue-dark);
    border-bottom: 1px solid rgba(8,111,157,.06);
  }

  .nav-link::after { display: none; }

  .nav-cta {
    margin: 12px 28px 0;
  }

  .hamburger { display: flex; }

  /* Hero */
  #hero::before { display: none; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; padding: 60px 0; }
  .hero-visual { display: none; }
  .hero-stats { gap: 20px; flex-wrap: wrap; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { justify-content: center; }

  /* Dores */
  .dores-grid { grid-template-columns: 1fr; }
  .dores-hook { flex-direction: column; text-align: center; }

  /* Solutions quick */
  .sol-rapidas-grid { grid-template-columns: repeat(2, 1fr); }

  /* Solutions */
  .solucoes-grid { grid-template-columns: 1fr; }

  /* Verticais */
  .verticais-grid { grid-template-columns: 1fr; }

  /* Metrics */
  .metrics-grid { grid-template-columns: 1fr; }
  .metric-item::after { display: none; }

  /* Case */
  .case-section { grid-template-columns: 1fr; }
  .case-highlights { grid-template-columns: 1fr; }

  /* Contact */
  .contato-grid { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 28px 24px; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }

  /* Float btn */
  .whatsapp-float { bottom: 20px; right: 20px; width: 52px; height: 52px; }
  
  .nav-logo img { height: 70px; }
  /* #navbar.scrolled .nav-logo img { height: 44px; } */

  .section-title { font-size: 1.65rem; }
  .sol-rapidas-grid { grid-template-columns: 1fr; }
  .hero-h1 { font-size: 1.85rem; }
  .hero-sub { font-size: .95rem; margin-bottom: 28px; }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .case-highlights { grid-template-columns: 1fr; }
}