/* ================================================
   ADAS PRO — Stylesheet Principal
   ================================================ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&family=Inter:wght@400;500;600&display=swap');

/* ─── Variáveis ─── */
:root {
  --primary:      #1B2B4D;
  --primary-dark: #0D1821;
  --accent:       #FF6B35;
  --accent-hover: #e55824;
  --tech:         #00B4D8;
  --success:      #06A77D;
  --warning:      #F4A261;
  --white:        #FFFFFF;
  --light:        #F8F9FA;
  --text:         #1A1A2E;
  --text-muted:   #6C757D;
  --border:       #DEE2E6;
  --card-bg:      #FFFFFF;
  --dark-card:    #162236;

  --font-h:  'Poppins', sans-serif;
  --font-b:  'Inter', sans-serif;

  --shadow-sm: 0 2px 8px rgba(0,0,0,.08);
  --shadow:    0 4px 24px rgba(0,0,0,.12);
  --shadow-lg: 0 8px 48px rgba(0,0,0,.18);

  --radius:    12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --transition: all .3s ease;

  --container: 1200px;
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-b); color: var(--text); background: var(--white); line-height: 1.6; overflow-x: hidden; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ─── Utilitários ─── */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.text-tech { color: var(--tech); }

.tag {
  display: inline-block;
  background: rgba(255,107,53,.12);
  color: var(--accent);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-h);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

/* ─── Botões ─── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: var(--font-h);
  font-size: .95rem;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(255,107,53,.35);
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(255,107,53,.45);
}

.btn-outline {
  border: 2px solid var(--white);
  color: var(--white);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--primary);
}

.btn-dark {
  background: var(--primary);
  color: var(--white);
}
.btn-dark:hover {
  background: #243b6a;
  transform: translateY(-2px);
}

.btn-lg { padding: 18px 44px; font-size: 1.05rem; }
.btn-sm { padding: 10px 22px; font-size: .85rem; }

/* ─── Navbar ─── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
  background: transparent;
}
.navbar.scrolled {
  background: rgba(13,24,33,.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 12px 0;
  box-shadow: 0 2px 20px rgba(0,0,0,.3);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-h);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
}
.logo-hex {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--accent), var(--warning));
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  display: flex; align-items: center; justify-content: center;
  font-size: .7rem; font-weight: 800; color: white;
  letter-spacing: -.02em;
}
.logo span strong { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links a {
  color: rgba(255,255,255,.85);
  font-size: .9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: var(--transition);
}
.nav-links a:hover { color: var(--white); background: rgba(255,255,255,.1); }

.btn-nav {
  background: var(--accent) !important;
  color: var(--white) !important;
  border-radius: 50px !important;
  padding: 8px 22px !important;
  font-weight: 600 !important;
}
.btn-nav:hover {
  background: var(--accent-hover) !important;
  box-shadow: 0 4px 16px rgba(255,107,53,.4);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 1100;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ─── Hero ─── */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #1a3a6e 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(0,180,216,.12) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(255,107,53,.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,180,216,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,180,216,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 1;
  max-width: 860px;
}

.hero-content {
  color: var(--white);
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: .8rem;
  font-weight: 600;
  color: var(--tech);
  letter-spacing: .05em;
  text-transform: uppercase;
  margin-bottom: 24px;
  backdrop-filter: blur(8px);
}
.hero-badge-dot {
  width: 6px; height: 6px;
  background: var(--tech);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .5; transform: scale(1.4); }
}

.hero-title {
  font-family: var(--font-h);
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -.02em;
}
.hero-title .line-accent { color: var(--accent); }
.hero-title .line-tech {
  background: linear-gradient(90deg, var(--tech), #80dfff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text {
  font-size: 1.1rem;
  color: rgba(255,255,255,.8);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 48px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,.12);
}
.hero-stat-value {
  font-family: var(--font-h);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.hero-stat-label {
  font-size: .8rem;
  color: rgba(255,255,255,.6);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: .05em;
}

/* ─── Marcas ─── */
.brands-section {
  padding: 40px 0;
  background: var(--primary-dark);
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.06);
  overflow: hidden;
}
.brands-label {
  color: rgba(255,255,255,.4);
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  text-align: center;
  margin-bottom: 20px;
}
.brands-track {
  display: flex;
  gap: 40px;
  align-items: center;
  animation: marquee 25s linear infinite;
  width: max-content;
}
.brands-track .brand-item {
  color: rgba(255,255,255,.35);
  font-family: var(--font-h);
  font-weight: 700;
  font-size: .9rem;
  letter-spacing: .04em;
  white-space: nowrap;
  transition: var(--transition);
}
.brands-track .brand-item:hover { color: rgba(255,255,255,.7); }
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ─── Seção Problema ─── */
.problem-section { background: var(--light); }
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}
.problem-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 28px;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.problem-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--warning));
  transform: scaleX(0);
  transition: var(--transition);
}
.problem-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.problem-card:hover::before { transform: scaleX(1); }
.problem-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
  background: rgba(255,107,53,.1);
}
.problem-card h3 {
  font-family: var(--font-h);
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: 12px;
  color: var(--text);
}
.problem-card p { color: var(--text-muted); font-size: .92rem; line-height: 1.7; }

/* ─── Sobre o Mentor ─── */
.about-section { background: var(--white); }
.about-grid {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 80px;
  align-items: center;
}
.about-photo-wrap { position: relative; }
.about-photo {
  width: 100%;
  aspect-ratio: 4/5;
  background: linear-gradient(135deg, var(--primary), #2a4a8a);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}
.about-photo-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.5);
  font-size: .85rem;
  gap: 12px;
}
.about-photo-placeholder svg { opacity: .4; }
.about-photo img { width: 100%; height: 100%; object-fit: cover; }

.about-badge {
  position: absolute;
  bottom: -16px; right: -16px;
  background: var(--accent);
  color: white;
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow);
  text-align: center;
}
.about-badge-value { font-family: var(--font-h); font-size: 1.5rem; font-weight: 800; line-height: 1; }
.about-badge-label { font-size: .72rem; opacity: .85; margin-top: 4px; text-transform: uppercase; letter-spacing: .05em; }

.about-content .tag { margin-bottom: 16px; }
.about-content .section-title { text-align: left; }
.about-content .section-title::after { display: none; }
.about-bio {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 32px;
}

.about-credentials {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 36px;
}
.credential-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .9rem;
  color: var(--text);
}
.credential-icon {
  width: 32px; height: 32px;
  background: rgba(6,167,125,.1);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: .9rem;
  flex-shrink: 0;
}

.about-systems-count {
  display: flex;
  gap: 32px;
  padding: 24px;
  background: var(--light);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.count-item { text-align: center; }
.count-value {
  font-family: var(--font-h);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}
.count-label { font-size: .78rem; color: var(--text-muted); margin-top: 4px; }

/* ─── Sistemas ADAS ─── */
.systems-section {
  background: linear-gradient(180deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: var(--white);
}
.systems-section .section-title { color: var(--white); }
.systems-section .section-subtitle { color: rgba(255,255,255,.65); }
.systems-section .tag { background: rgba(255,107,53,.15); }

.systems-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.system-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 24px 20px;
  transition: var(--transition);
  cursor: default;
}
.system-card:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,107,53,.4);
  transform: translateY(-4px);
}
.system-card-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: block;
}
.system-card h3 {
  font-family: var(--font-h);
  font-size: .95rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--white);
}
.system-card p { font-size: .8rem; color: rgba(255,255,255,.55); line-height: 1.6; }
.system-card .system-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 12px;
}
.system-tag {
  font-size: .66rem;
  background: rgba(0,180,216,.15);
  color: var(--tech);
  padding: 2px 8px;
  border-radius: 50px;
  border: 1px solid rgba(0,180,216,.25);
}

.brands-coverage {
  margin-top: 56px;
  text-align: center;
}
.brands-coverage h3 {
  font-family: var(--font-h);
  font-size: 1rem;
  color: rgba(255,255,255,.6);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 500;
}
.brands-coverage-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}
.brand-badge {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 50px;
  padding: 6px 16px;
  font-size: .78rem;
  color: rgba(255,255,255,.7);
  font-weight: 500;
  transition: var(--transition);
}
.brand-badge:hover { background: rgba(255,255,255,.15); color: var(--white); }

/* ─── Como Funciona ─── */
.how-section { background: var(--light); }
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  position: relative;
  margin-top: 48px;
}
.steps-grid::before {
  content: '';
  position: absolute;
  top: 36px;
  left: calc(16.66% + 16px);
  right: calc(16.66% + 16px);
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--tech));
}
.step-card { text-align: center; position: relative; }
.step-number {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-h);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-muted);
  margin: 0 auto 24px;
  position: relative;
  z-index: 1;
  transition: var(--transition);
}
.step-card:hover .step-number {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--white);
  transform: scale(1.1);
  box-shadow: 0 4px 20px rgba(255,107,53,.35);
}
.step-card h3 {
  font-family: var(--font-h);
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 12px;
}
.step-card p { color: var(--text-muted); font-size: .9rem; line-height: 1.7; }

/* ─── Serviços / Preços ─── */
.services-section { background: var(--white); }
.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
  align-items: start;
}
.plan-card {
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  border: 2px solid var(--border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.plan-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.plan-card.featured {
  border-color: var(--accent);
  background: linear-gradient(160deg, var(--primary-dark), var(--primary));
  color: var(--white);
  transform: scale(1.03);
}
.plan-card.featured:hover { transform: scale(1.03) translateY(-6px); }

.plan-badge {
  position: absolute;
  top: 16px; right: 16px;
  background: var(--accent);
  color: white;
  font-size: .7rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: .06em;
}

.plan-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}
.plan-name {
  font-family: var(--font-h);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.plan-desc {
  font-size: .85rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.6;
}
.plan-card.featured .plan-desc { color: rgba(255,255,255,.6); }

.plan-price {
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.plan-card.featured .plan-price { border-color: rgba(255,255,255,.15); }
.plan-price-label { font-size: .78rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .05em; }
.plan-card.featured .plan-price-label { color: rgba(255,255,255,.5); }
.plan-price-value {
  font-family: var(--font-h);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  margin: 4px 0;
}
.plan-card.featured .plan-price-value { color: var(--white); }
.plan-price-note { font-size: .78rem; color: var(--text-muted); }
.plan-card.featured .plan-price-note { color: rgba(255,255,255,.5); }

.plan-features { margin-bottom: 28px; }
.plan-feature {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .88rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(0,0,0,.04);
}
.plan-card.featured .plan-feature { border-color: rgba(255,255,255,.06); color: rgba(255,255,255,.85); }
.plan-check {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: rgba(6,167,125,.15);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
  font-size: .65rem;
  color: var(--success);
}
.plan-card.featured .plan-check { background: rgba(255,255,255,.15); color: var(--white); }

.plan-btn {
  width: 100%;
  justify-content: center;
  border-radius: var(--radius);
  padding: 14px;
}

/* ─── Depoimentos ─── */
.testimonials-section {
  background: var(--light);
}
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.testimonial-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.testimonial-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.testimonial-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  font-size: 1rem;
  color: #F4C430;
}
.testimonial-text {
  font-size: .92rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 20px;
  font-style: italic;
}
.testimonial-text::before { content: '"'; font-size: 1.5rem; color: var(--accent); font-style: normal; line-height: 0; vertical-align: -8px; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.author-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--tech));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-h);
  font-weight: 700;
  font-size: .9rem;
  color: white;
  flex-shrink: 0;
}
.author-name { font-family: var(--font-h); font-weight: 600; font-size: .9rem; }
.author-role { font-size: .78rem; color: var(--text-muted); }

/* ─── FAQ ─── */
.faq-section { background: var(--white); }
.faq-grid {
  max-width: 800px;
  margin: 48px auto 0;
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  font-family: var(--font-h);
  font-weight: 600;
  font-size: .98rem;
  color: var(--text);
  text-align: left;
  transition: var(--transition);
}
.faq-question:hover { color: var(--accent); }
.faq-icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--light);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: .75rem;
  color: var(--text-muted);
  transition: var(--transition);
}
.faq-item.active .faq-icon {
  background: var(--accent);
  color: var(--white);
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease, padding .35s ease;
}
.faq-item.active .faq-answer { max-height: 400px; }
.faq-answer-inner {
  padding: 0 0 20px;
  color: var(--text-muted);
  font-size: .92rem;
  line-height: 1.8;
}

/* ─── CTA / Contato ─── */
.cta-section {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: var(--white);
}
.cta-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.cta-content .section-title { color: var(--white); text-align: left; }
.cta-content p { color: rgba(255,255,255,.7); line-height: 1.8; margin-bottom: 32px; }
.cta-info { display: flex; flex-direction: column; gap: 16px; }
.cta-info-item {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: .9rem;
  color: rgba(255,255,255,.75);
}
.cta-info-icon {
  width: 40px; height: 40px;
  background: rgba(255,255,255,.1);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
}

.contact-form {
  background: rgba(255,255,255,.06);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
}
.form-title {
  font-family: var(--font-h);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--white);
  margin-bottom: 8px;
}
.form-subtitle { font-size: .85rem; color: rgba(255,255,255,.55); margin-bottom: 28px; }

.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: .82rem;
  font-weight: 500;
  color: rgba(255,255,255,.7);
  margin-bottom: 6px;
}
.form-input {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: 10px;
  color: var(--white);
  font-size: .9rem;
  transition: var(--transition);
  outline: none;
}
.form-input::placeholder { color: rgba(255,255,255,.35); }
.form-input:focus {
  border-color: var(--accent);
  background: rgba(255,255,255,.1);
  box-shadow: 0 0 0 3px rgba(255,107,53,.15);
}
.form-input option { background: var(--primary-dark); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.form-submit {
  width: 100%;
  padding: 14px;
  background: var(--accent);
  color: white;
  border-radius: 10px;
  font-family: var(--font-h);
  font-weight: 700;
  font-size: 1rem;
  margin-top: 8px;
  transition: var(--transition);
}
.form-submit:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255,107,53,.4);
}
.form-disclaimer {
  font-size: .75rem;
  color: rgba(255,255,255,.35);
  text-align: center;
  margin-top: 12px;
}

/* ─── Footer ─── */
.footer {
  background: #070d14;
  color: rgba(255,255,255,.55);
  padding: 48px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 40px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand p { font-size: .85rem; line-height: 1.7; max-width: 260px; }
.footer-col h4 {
  font-family: var(--font-h);
  font-size: .85rem;
  font-weight: 600;
  color: rgba(255,255,255,.8);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col a {
  font-size: .85rem;
  color: rgba(255,255,255,.45);
  transition: var(--transition);
}
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.06);
  font-size: .8rem;
}

/* ─── WhatsApp Float ─── */
.whatsapp-float {
  position: fixed;
  bottom: 28px; right: 28px;
  z-index: 999;
  width: 56px; height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  color: white;
  box-shadow: 0 4px 20px rgba(37,211,102,.45);
  transition: var(--transition);
  text-decoration: none;
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,.55);
}

/* ─── Scroll Reveal ─── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }

/* ─── Responsivo ─── */
@media (max-width: 1100px) {
  .systems-grid { grid-template-columns: repeat(3, 1fr); }
  .about-grid { grid-template-columns: 360px 1fr; gap: 48px; }
}

@media (max-width: 900px) {
  .hero-stats { grid-template-columns: repeat(3, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .about-photo { aspect-ratio: 16/9; max-height: 360px; }
  .problem-grid { grid-template-columns: 1fr; gap: 20px; }
  .systems-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: 1fr; }
  .steps-grid::before { display: none; }
  .plans-grid { grid-template-columns: 1fr; max-width: 480px; margin-inline: auto; }
  .plan-card.featured { transform: none; }
  .testimonials-grid { grid-template-columns: 1fr; max-width: 480px; margin-inline: auto; }
  .cta-inner { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 640px) {
  .section { padding: 64px 0; }
  .nav-links { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: var(--primary-dark); flex-direction: column; align-items: center; justify-content: center; gap: 16px; z-index: 1000; }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 1.1rem; padding: 12px 24px; }
  .hamburger { display: flex; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}