/* =====================================================
   ASSTECHNOLOGY - CSS PRINCIPAL
   Design moderno inspirado em Datora.net
   Paleta: Azul #1a5276 / Verde #7dba2f / Escuro #0b172a
   ===================================================== */

/* ===== RESET & BASE ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --blue-dark:    #0b172a;
  --blue-main:    #1a5276;
  --blue-light:   #2980b9;
  --blue-bright:  #3498db;
  --green-main:   #7dba2f;
  --green-light:  #8bc34a;
  --green-bright: #a4d65e;
  --white:        #ffffff;
  --gray-100:     #f8f9fa;
  --gray-200:     #e9ecef;
  --gray-400:     #ced4da;
  --gray-600:     #6c757d;
  --gray-800:     #343a40;
  --shadow-sm:    0 2px 8px rgba(0,0,0,.08);
  --shadow-md:    0 4px 20px rgba(0,0,0,.12);
  --shadow-lg:    0 8px 40px rgba(0,0,0,.18);
  --radius-sm:    6px;
  --radius-md:    12px;
  --radius-lg:    20px;
  --transition:   0.3s ease;
  --font:         'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

ul { list-style: none; }

/* ===== SKIP LINK ===== */
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  z-index: 9999;
}
.skip-link:focus {
  left: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
  background: var(--white);
  color: var(--blue-dark);
  padding: .75rem 1.25rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  box-shadow: var(--shadow-md);
}

/* ===== CONTAINER ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.75rem;
  border-radius: 50px;
  font-family: var(--font);
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--green-main), var(--green-light));
  color: var(--white);
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(125,186,47,.35);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--green-light), var(--green-bright));
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(125,186,47,.5);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.7);
}
.btn-outline:hover {
  background: rgba(255,255,255,.15);
  border-color: var(--white);
  color: var(--white);
}

.btn-whatsapp {
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: var(--white);
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(37,211,102,.3);
}
.btn-whatsapp:hover {
  background: linear-gradient(135deg, #128c7e, #25d366);
  transform: translateY(-2px);
  color: var(--white);
}

.btn-card {
  background: transparent;
  color: var(--blue-main);
  border-color: var(--blue-main);
  padding: .6rem 1.25rem;
  font-size: .875rem;
}
.btn-card:hover {
  background: var(--blue-main);
  color: var(--white);
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1.05rem;
}

.btn-block {
  width: 100%;
  justify-content: center;
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition), padding var(--transition);
  padding: 1.5rem 0; /* Aumentado para acomodar logo maior */
}

.header.scrolled {
  background: rgba(11,23,42,.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,.3);
  padding: .75rem 0;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.logo {
  flex-shrink: 0;
}

.logo-img {
  height: 80px; /* Aumentado de 52px para 80px */
  width: auto;
  filter: brightness(0) invert(1);
  transition: height var(--transition);
}

.header.scrolled .logo-img {
  height: 65px; /* Aumentado de 44px para 65px */
}

.nav {
  flex: 1;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: .25rem;
}

.nav-link {
  color: rgba(255,255,255,.85);
  font-size: .9rem;
  font-weight: 500;
  padding: .5rem .875rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--green-main);
  transition: width var(--transition);
  border-radius: 2px;
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 60%;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .5rem;
  margin-left: auto;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all var(--transition);
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== HERO SLIDER ===== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 620px;
  overflow: hidden;
}

.hero-slider {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity 1s ease-in-out;
  display: flex;
  align-items: center;
}

.hero-slide.active {
  opacity: 1;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(11,23,42,.85) 0%,
    rgba(26,82,118,.7) 50%,
    rgba(11,23,42,.6) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  padding-top: 80px;
}

.hero-tag {
  display: inline-block;
  background: rgba(125,186,47,.25);
  color: var(--green-bright);
  border: 1px solid rgba(125,186,47,.4);
  padding: .35rem 1rem;
  border-radius: 50px;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  animation: fadeInDown .8s ease both;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 1.25rem;
  animation: fadeInUp .8s ease .2s both;
}

.hero-title .highlight {
  color: var(--green-main);
  position: relative;
}

.hero-desc {
  font-size: 1.1rem;
  color: rgba(255,255,255,.85);
  margin-bottom: 2rem;
  max-width: 560px;
  animation: fadeInUp .8s ease .4s both;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeInUp .8s ease .6s both;
}

/* Slider controls */
.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  background: rgba(255,255,255,.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.3);
  color: var(--white);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.slider-btn:hover {
  background: rgba(125,186,47,.5);
  border-color: var(--green-main);
}

.slider-prev { left: 1.5rem; }
.slider-next { right: 1.5rem; }

.slider-dots {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  gap: .5rem;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,.4);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  padding: 0;
}

.dot.active,
.dot:hover {
  background: var(--green-main);
  transform: scale(1.3);
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  right: 2rem;
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .4rem;
  color: rgba(255,255,255,.6);
  font-size: .75rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  animation: bounce 2s infinite;
}

/* ===== SERVICES BAR ===== */
.services-bar {
  background: linear-gradient(90deg, var(--blue-dark) 0%, var(--blue-main) 100%);
  padding: 1.1rem 0;
  position: relative;
  z-index: 5;
  border-bottom: 2px solid rgba(125,186,47,.3);
}

.services-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  flex-wrap: wrap;
}

.service-bar-item {
  display: flex;
  align-items: center;
  gap: .6rem;
  color: rgba(255,255,255,.75);
  font-size: .875rem;
  font-weight: 500;
  padding: .6rem 1.25rem;
  border-radius: 50px;
  border: 1px solid rgba(255,255,255,.1);
  transition: all var(--transition);
  white-space: nowrap;
}

.service-bar-item i {
  color: var(--green-main);
  font-size: 1rem;
}

.service-bar-item:hover {
  background: rgba(125,186,47,.15);
  border-color: rgba(125,186,47,.4);
  color: var(--white);
}

/* ===== SECTION BASE ===== */
.section {
  padding: 5rem 0;
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem;
}

.section-tag {
  display: inline-block;
  color: var(--green-main);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: .75rem;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--blue-dark);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.section-desc {
  color: var(--gray-600);
  font-size: 1.05rem;
}

/* ===== SERVICES GRID ===== */
.services {
  background: var(--gray-100);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.card-image {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}

.service-card:hover .card-image img {
  transform: scale(1.05);
}

.card-badge {
  position: absolute;
  bottom: -22px;
  right: 1.5rem;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--green-main), var(--green-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.1rem;
  box-shadow: 0 4px 15px rgba(125,186,47,.4);
  z-index: 2;
}

.card-body {
  padding: 2rem 1.5rem 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--blue-dark);
  margin-bottom: .75rem;
}

.card-text {
  color: var(--gray-600);
  font-size: .9rem;
  line-height: 1.65;
  margin-bottom: 1.25rem;
}

.card-features {
  margin-bottom: 1.5rem;
  flex: 1;
}

.card-features li {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .875rem;
  color: var(--gray-800);
  padding: .3rem 0;
  border-bottom: 1px solid var(--gray-200);
}

.card-features li:last-child {
  border-bottom: none;
}

.card-features li i {
  color: var(--green-main);
  font-size: .75rem;
  flex-shrink: 0;
}

/* ===== ABOUT ===== */
.about {
  background: var(--white);
}

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

.about-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: visible;
}

.about-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  height: 450px;
  object-fit: cover;
}

.about-badge {
  position: absolute;
  bottom: -1.5rem;
  left: -1.5rem;
  background: linear-gradient(135deg, var(--blue-main), var(--blue-light));
  color: var(--white);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: var(--shadow-md);
}

.badge-number {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
}

.badge-text {
  font-size: .8rem;
  opacity: .85;
  line-height: 1.3;
}

.about-content .section-title {
  margin-bottom: 1.25rem;
}

.about-content p {
  color: var(--gray-600);
  margin-bottom: 1rem;
  line-height: 1.7;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 2rem 0;
  padding: 1.5rem;
  background: var(--gray-100);
  border-radius: var(--radius-md);
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--blue-main);
  line-height: 1;
  margin-bottom: .25rem;
}

.stat-label {
  font-size: .8rem;
  color: var(--gray-600);
  font-weight: 500;
}

/* ===== DIFFERENTIALS ===== */
.differentials {
  background: var(--blue-dark);
}

.differentials .section-title {
  color: var(--white);
}

.differentials .section-tag {
  color: var(--green-bright);
}

.differentials .section-desc {
  color: rgba(255,255,255,.65);
}

.differentials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.diff-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: all var(--transition);
}

.diff-card:hover {
  background: rgba(125,186,47,.1);
  border-color: rgba(125,186,47,.3);
  transform: translateY(-4px);
}

.diff-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--green-main), var(--green-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--white);
  margin-bottom: 1.25rem;
}

.diff-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: .75rem;
}

.diff-card p {
  color: rgba(255,255,255,.65);
  font-size: .9rem;
  line-height: 1.65;
}

/* ===== CTA BANNER ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--blue-main) 0%, var(--blue-light) 50%, var(--green-main) 100%);
  padding: 4rem 0;
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.cta-content h2 {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 800;
  color: var(--white);
  margin-bottom: .5rem;
}

.cta-content p {
  color: rgba(255,255,255,.85);
  font-size: 1rem;
}

.cta-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  flex-shrink: 0;
}

/* ===== CONTACT ===== */
.contact {
  background: var(--gray-100);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.contact-info .section-title {
  margin-bottom: 1rem;
}

.contact-info > p {
  color: var(--gray-600);
  margin-bottom: 2rem;
}

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--blue-main), var(--blue-light));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1rem;
  flex-shrink: 0;
}

.contact-item strong {
  display: block;
  font-size: .8rem;
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: .2rem;
}

.contact-item span,
.contact-item a {
  color: var(--gray-800);
  font-size: .95rem;
  font-weight: 500;
}

.contact-item a:hover {
  color: var(--blue-main);
}

/* ===== CONTACT FORM ===== */
.contact-form-wrap {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

.contact-form h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--blue-dark);
  margin-bottom: 1.75rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group label {
  display: block;
  font-size: .85rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: .4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: .75rem 1rem;
  border: 1.5px solid var(--gray-400);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: .9rem;
  color: var(--gray-800);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue-main);
  box-shadow: 0 0 0 3px rgba(26,82,118,.12);
}

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

/* ===== FOOTER ===== */
.footer {
  background: var(--blue-dark);
  color: rgba(255,255,255,.75);
}

.footer-top {
  padding: 4rem 0 3rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 2fr; /* Aumentado o espaço para a coluna de contato */
  gap: 2rem;
}

.footer-logo {
  height: 75px; /* Aumentado de 50px para 75px */
  width: auto;
  margin-bottom: 1.5rem;
  filter: brightness(0) invert(1);
}

.footer-brand p {
  font-size: .875rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
  color: rgba(255,255,255,.6);
}

.social-links {
  display: flex;
  gap: .75rem;
}

.social-link {
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.7);
  font-size: .875rem;
  transition: all var(--transition);
}

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

.footer-col h4 {
  font-size: .9rem;
  font-weight: 700;
  color: var(--white);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 1.25rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: .6rem;
}

.footer-col ul li a {
  color: rgba(255,255,255,.6);
  font-size: .875rem;
  transition: color var(--transition);
}

.footer-col ul li a:hover {
  color: var(--green-bright);
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  color: rgba(255,255,255,.6);
  font-size: .875rem;
  white-space: nowrap; /* Garante uma única linha */
}

/* Ajuste para telas menores não quebrarem o layout */
@media (max-width: 1200px) {
  .footer-contact li {
    white-space: normal;
  }
}

.footer-contact li i {
  color: var(--green-main);
  margin-top: .15rem;
  flex-shrink: 0;
}

.footer-contact li a {
  color: rgba(255,255,255,.6);
}

.footer-contact li a:hover {
  color: var(--green-bright);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 1.5rem 0;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .5rem;
}

.footer-bottom p {
  font-size: .8rem;
  color: rgba(255,255,255,.45);
}

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  width: 46px;
  height: 46px;
  background: linear-gradient(135deg, var(--blue-main), var(--blue-light));
  color: var(--white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(20px);
  transition: all var(--transition);
  pointer-events: none;
}

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

.back-to-top:hover {
  background: linear-gradient(135deg, var(--green-main), var(--green-light));
  transform: translateY(-3px);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-30px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .7s ease, transform .7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
  .about-inner {
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  /* Header mobile */
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--blue-dark);
    padding: 5rem 2rem 2rem;
    transition: right var(--transition);
    z-index: 999;
    box-shadow: -4px 0 20px rgba(0,0,0,.3);
  }

  .nav.open {
    right: 0;
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: .25rem;
  }

  .nav-link {
    font-size: 1rem;
    padding: .75rem 1rem;
    width: 100%;
    display: block;
  }

  .hamburger {
    display: flex;
    z-index: 1001;
  }

  .header-inner .btn-whatsapp {
    display: none;
  }

  /* Hero */
  .hero-content {
    padding-top: 100px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .slider-btn {
    width: 40px;
    height: 40px;
    font-size: .85rem;
  }

  .slider-prev { left: .75rem; }
  .slider-next { right: .75rem; }

  .scroll-indicator { display: none; }

  /* Services bar */
  .services-bar-inner {
    gap: .35rem;
  }

  .service-bar-item {
    padding: .5rem .875rem;
    font-size: .8rem;
  }

  /* About */
  .about-inner {
    grid-template-columns: 1fr;
  }

  .about-image img {
    height: 300px;
  }

  .about-badge {
    bottom: -1rem;
    left: 1rem;
  }

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

  /* Contact */
  .contact-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  /* CTA */
  .cta-inner {
    flex-direction: column;
    text-align: center;
  }

  .cta-actions {
    justify-content: center;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom-inner {
    flex-direction: column;
    text-align: center;
  }

  /* Form */
  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .section { padding: 3.5rem 0; }

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

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

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

  .hero-title {
    font-size: 1.85rem;
  }

  .contact-form-wrap {
    padding: 1.75rem 1.25rem;
  }
}

/* ===== OVERLAY MOBILE NAV ===== */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 998;
  backdrop-filter: blur(2px);
}

.nav-overlay.active {
  display: block;
}

/* ===== INTERNAL PAGES ===== */
.page-hero {
  min-height: 430px;
  padding: 145px 0 80px;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(11,23,42,.92), rgba(26,82,118,.82)),
    url('../images/hero-banner-background.webp') center/cover no-repeat;
  display: flex;
  align-items: flex-end;
}

.page-hero--cftv {
  background:
    linear-gradient(135deg, rgba(11,23,42,.92), rgba(26,82,118,.78)),
    url('../images/cftv-videomonitoramento.webp') center/cover no-repeat;
}

.page-hero--informatica {
  background:
    linear-gradient(135deg, rgba(11,23,42,.92), rgba(26,82,118,.78)),
    url('../images/informatica-solucoes.webp') center/cover no-repeat;
}

.page-hero--redes {
  background:
    linear-gradient(135deg, rgba(11,23,42,.92), rgba(26,82,118,.78)),
    url('../images/infraestrutura-ti.webp') center/cover no-repeat;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin-bottom: 1rem;
  font-size: .9rem;
  color: rgba(255,255,255,.78);
}

.breadcrumb a {
  color: var(--green-bright);
  font-weight: 700;
}

.page-title {
  max-width: 860px;
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1.05;
  margin-bottom: 1rem;
}

.page-lead {
  max-width: 760px;
  font-size: 1.12rem;
  color: rgba(255,255,255,.86);
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, .7fr);
  gap: 3rem;
  align-items: start;
}

.content-block {
  margin-bottom: 2rem;
}

.content-block h2,
.content-block h3 {
  color: var(--blue-dark);
  line-height: 1.2;
  margin-bottom: .85rem;
}

.content-block h2 {
  font-size: clamp(1.75rem, 3vw, 2.4rem);
}

.content-block p {
  color: var(--gray-600);
  margin-bottom: 1rem;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .8rem;
  margin-top: 1.25rem;
}

.feature-list li,
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: .65rem;
  color: var(--gray-800);
}

.feature-list i,
.check-list i {
  color: var(--green-main);
  margin-top: .25rem;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.process-card,
.sidebar-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 1.4rem;
}

.process-card span {
  display: inline-flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--green-main);
  color: var(--white);
  font-weight: 800;
  margin-bottom: .9rem;
}

.sidebar {
  position: sticky;
  top: 110px;
}

.sidebar-card + .sidebar-card {
  margin-top: 1rem;
}

.sidebar-card h3 {
  color: var(--blue-dark);
  margin-bottom: .75rem;
}

.sidebar-card ul {
  display: grid;
  gap: .65rem;
}

.sidebar-card a {
  color: var(--blue-main);
  font-weight: 700;
}

.sidebar-card a:hover {
  color: var(--green-main);
}

.area-strip {
  background: var(--gray-100);
  border-top: 1px solid var(--gray-200);
  border-bottom: 1px solid var(--gray-200);
}

.area-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.25rem;
}

.area-tags span {
  padding: .55rem .9rem;
  border-radius: 50px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  color: var(--blue-main);
  font-weight: 700;
  font-size: .9rem;
}

.simple-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.simple-card {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.simple-card i {
  color: var(--green-main);
  font-size: 1.5rem;
  margin-bottom: .8rem;
}

.simple-card h3 {
  color: var(--blue-dark);
  margin-bottom: .55rem;
}

@media (max-width: 900px) {
  .content-grid,
  .process-grid,
  .simple-card-grid {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }
}

@media (max-width: 560px) {
  .page-hero {
    min-height: 360px;
    padding: 125px 0 55px;
  }

  .feature-list {
    grid-template-columns: 1fr;
  }
}