/* ==========================================================================
   NT IT Services — Site Institucional Profissional
   Stack: HTML5 + CSS3 + JavaScript vanilla
   ========================================================================== */

:root {
  --bg: #0a0a0a;
  --bg-soft: #111827;
  --bg-dark: #000000;
  --text: #f1f5f9;
  --text-heading: #ffffff;
  --text-muted: #94a3b8;
  --text-light: #64748b;
  --primary: #0ea5e9;
  --primary-dark: #0284c7;
  --primary-light: rgba(14, 165, 233, 0.12);
  --success: #22c55e;
  --error: #ef4444;
  --border: #1e293b;
  --border-strong: #334155;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.4);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.5), 0 2px 4px -2px rgb(0 0 0 / 0.5);
  --shadow-lg: 0 10px 15px -3px rgb(14 165 233 / 0.15), 0 4px 6px -4px rgb(0 0 0 / 0.5);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: all 0.2s ease-in-out;
}

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

html { scroll-behavior: smooth; }

[id] { scroll-margin-top: 90px; }

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  color: var(--text-heading);
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-weight: 700;
}

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

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

svg { display: block; }

.container {
  width: min(1140px, 92%);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary);
  color: #fff;
  padding: 8px 16px;
  z-index: 9999;
  font-weight: 600;
  font-size: 0.9rem;
  transition: top 0.2s;
}
.skip-link:focus { top: 0; }

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 0.875rem 0;
  transition: var(--transition);
}

header.scrolled {
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-img {
  height: 56px;
  width: auto;
  object-fit: contain;
  transition: var(--transition);
}

.logo:hover .logo-img { opacity: 0.85; }

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  transition: var(--transition);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  text-align: center;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn-ghost {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--border-strong);
}

.btn-ghost:hover {
  background: var(--bg-soft);
  border-color: var(--primary);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-heading);
  cursor: pointer;
}

/* Hero */
.hero {
  padding-top: 130px;
  padding-bottom: 6rem;
  background: linear-gradient(180deg, var(--bg-soft) 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 4rem;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(14, 165, 233, 0.25);
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
}

.hero h1 {
  font-size: clamp(2.3rem, 5vw, 3.4rem);
  margin-bottom: 1.25rem;
  color: var(--text-heading);
  letter-spacing: -0.02em;
}

.hero h1 .accent-text {
  color: var(--primary);
  position: relative;
}

.hero p.lead {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 520px;
  margin-bottom: 1.75rem;
}

.hero-proof {
  display: flex;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}

.hero-proof div {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.hero-proof div strong {
  font-size: 1.35rem;
  font-family: 'Space Grotesk', sans-serif;
  color: var(--text-heading);
}

.hero-proof div span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.25rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero-badge svg {
  color: var(--success);
}

.hero-visual {
  position: relative;
  aspect-ratio: 420 / 340;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--bg-soft) 0%, var(--bg) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 10px 40px -10px rgba(14, 165, 233, 0.15);
  overflow: hidden;
}

.hero-visual::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 25% 25%, rgba(14, 165, 233, 0.1) 0%, transparent 45%),
    radial-gradient(circle at 75% 75%, rgba(56, 189, 248, 0.08) 0%, transparent 45%);
}

.hero-illustration {
  position: relative;
  z-index: 1;
  width: 90%;
  max-width: 380px;
  height: auto;
  color: var(--primary);
}

.scroll-indicator {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 500;
  opacity: 0.7;
  animation: bounce 2s infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* Sections */
section { padding: 5.5rem 0; }

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3rem;
}

.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  margin-bottom: 0.75rem;
  font-weight: 700;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* Problem section */
.problem-section { background: var(--bg-soft); }

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.problem-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

.problem-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--primary-light);
  color: var(--primary);
  display: grid;
  place-items: center;
  margin: 0 auto 1.25rem;
}

.problem-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.problem-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  position: relative;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--primary-light);
}

.service-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--primary);
  opacity: 0;
  transition: var(--transition);
  border-radius: var(--radius) var(--radius) 0 0;
}

.service-card:hover::after { opacity: 1; }

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  margin-bottom: 1.25rem;
  background: var(--primary-light);
  color: var(--primary);
}

.service-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.service-card a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 1.25rem;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
}

.service-card a:hover { color: var(--primary-dark); }

/* Why choose */
.why-section { background: var(--bg-soft); }

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.why-card {
  text-align: left;
  padding: 2rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg);
  box-shadow: var(--shadow-sm);
}

.why-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.why-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.why-card p { color: var(--text-muted); font-size: 0.95rem; }

/* AI Feature */
.ai-feature { background: var(--bg); }

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

.ai-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.stat-card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
}

.stat-card strong {
  display: block;
  font-size: 1.8rem;
  font-family: 'Space Grotesk', sans-serif;
  color: var(--primary);
}

.stat-card span { color: var(--text-muted); font-size: 0.85rem; }

.ai-lead {
  color: var(--text-muted);
  margin: 1rem 0 2rem;
}

.ai-list {
  list-style: none;
  display: grid;
  gap: 0.875rem;
}

.ai-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-muted);
}

.ai-list svg {
  flex-shrink: 0;
  color: var(--success);
}

/* Partners */
.partners-intro {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 2rem;
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.partners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.partner-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  min-height: 260px;
  cursor: pointer;
}

.partner-card:hover,
.partner-card.expanded {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--primary-light);
  justify-content: flex-start;
  align-items: flex-start;
  text-align: left;
}

.partner-card-header {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  transition: var(--transition);
}

.partner-card:hover .partner-card-header,
.partner-card.expanded .partner-card-header {
  flex: 0;
  justify-content: flex-start;
  align-items: flex-start;
}

.partner-card-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 180px;
  height: 90px;
  padding: 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: #0a0a0a;
  flex-shrink: 0;
  transition: var(--transition);
}

.partner-card:hover .partner-card-logo,
.partner-card.expanded .partner-card-logo {
  width: 110px;
  height: 56px;
  padding: 0.6rem 0.75rem;
}

.partner-card-logo img {
  max-height: 64px;
  width: auto;
  max-width: 150px;
  object-fit: contain;
  transition: var(--transition);
}

.partner-card:hover .partner-card-logo img,
.partner-card.expanded .partner-card-logo img {
  max-height: 40px;
  max-width: 90px;
}

.partner-card-body {
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: opacity 0.3s ease, max-height 0.35s ease;
}

.partner-card:hover .partner-card-body,
.partner-card.expanded .partner-card-body {
  opacity: 1;
  max-height: 500px;
}

.partner-card-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 1rem 0 1.25rem;
}

.partner-products {
  list-style: none;
  display: grid;
  gap: 0.6rem;
}

.partner-products li {
  position: relative;
  padding-left: 1.25rem;
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.5;
}

.partner-products li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: grid;
  gap: 0.75rem;
}

details {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.1rem 1.25rem;
  transition: var(--transition);
}

details[open] { border-color: var(--border-strong); }

summary {
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-heading);
}

summary::-webkit-details-marker { display: none; }

summary::after {
  content: '+';
  font-size: 1.35rem;
  color: var(--primary);
  transition: transform 0.2s;
}

details[open] summary::after { transform: rotate(45deg); }

details p {
  color: var(--text-muted);
  margin-top: 0.75rem;
  font-size: 0.95rem;
  line-height: 1.7;
  animation: fadeIn 0.25s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

details a { color: var(--primary); text-decoration: underline; }

/* Contact */
.contact-section { background: var(--bg-soft); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.contact-info h2 {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

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

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--primary-light);
  color: var(--primary);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.contact-item strong { display: block; margin-bottom: 0.15rem; color: var(--text-heading); }
.contact-item span { color: var(--text-muted); font-size: 0.9rem; }
.contact-item a { color: var(--primary); }
.contact-item a:hover { text-decoration: underline; }

.contact-form {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.contact-cta-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
}

.contact-cta-box h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.contact-cta-box p {
  color: var(--text-muted);
  margin-bottom: 1.25rem;
}

.contact-cta-box .btn {
  margin-bottom: 0.75rem;
}

.contact-divider {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 1.5rem 0;
}

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

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-heading);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.8rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--bg-soft);
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.form-group textarea { min-height: 110px; resize: vertical; }

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

.btn-block { width: 100%; }

.form-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 1rem;
  text-align: center;
}

.cf-turnstile {
  margin-bottom: 1.25rem;
  min-height: 65px;
}

.form-group input:invalid:not(:placeholder-shown),
.form-group textarea:invalid:not(:placeholder-shown) { border-color: var(--error); }

.form-message {
  display: none;
  padding: 0.875rem 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.form-message.success {
  display: block;
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.3);
  color: #4ade80;
}

.form-message.error {
  display: block;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

.consent {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.consent input { margin-top: 0.2rem; }

.consent a { color: var(--primary); text-decoration: underline; }

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 1rem;
  left: 1rem;
  max-width: 420px;
  background: var(--bg-soft);
  border: 1px solid rgba(14, 165, 233, 0.25);
  border-radius: var(--radius);
  padding: 1.25rem;
  z-index: 200;
  transform: translateY(calc(100% + 2rem));
  transition: transform 0.3s ease;
  box-shadow: 0 10px 40px -10px rgba(14, 165, 233, 0.2);
}

.cookie-banner.show { transform: translateY(0); }

.cookie-inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cookie-inner p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0;
  line-height: 1.5;
}

.cookie-inner a { color: var(--primary); text-decoration: underline; }

.cookie-actions {
  display: flex;
  gap: 0.75rem;
}

.cookie-actions .btn {
  padding: 0.6rem 1.2rem;
  font-size: 0.85rem;
}

/* Floating CTA */
.floating-cta {
  position: fixed;
  bottom: 5rem;
  right: 1.25rem;
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: flex-end;
}

.floating-cta a {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #25d366;
  color: #fff;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.floating-cta a:hover { transform: scale(1.05); }

.floating-cta a.phone { background: var(--primary); }

/* Footer */
footer {
  background: var(--bg-dark);
  color: var(--text-light);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-top: 1rem;
  line-height: 1.7;
  max-width: 280px;
}

.footer-column h4 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.footer-column ul {
  list-style: none;
  display: grid;
  gap: 0.6rem;
}

.footer-column a {
  color: var(--text-light);
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-column a:hover { color: #fff; }

.footer-column address {
  font-style: normal;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-light);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p { color: var(--text-light); font-size: 0.85rem; margin: 0; }

footer .logo-img {
  background: transparent;
  padding: 0;
  filter: brightness(2);
  height: 48px;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid { gap: 2.5rem; }
  .hero-visual { max-width: 420px; }
}

@media (max-width: 968px) {
  section { padding: 4rem 0; }

  .hero {
    padding-top: 110px;
    padding-bottom: 4.5rem;
  }

  .hero-grid,
  .ai-grid,
  .contact-grid { grid-template-columns: 1fr; }

  .hero-visual {
    order: -1;
    max-width: 520px;
    margin: 0 auto;
    min-height: 300px;
  }

  .hero-illustration { width: 80%; max-width: 360px; }

  .nav-links {
    position: fixed;
    inset: 68px 4% auto 4%;
    flex-direction: column;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    gap: 0.75rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
  }

  .nav-links.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-links a {
    padding: 0.6rem 0;
    width: 100%;
  }

  .nav-links .btn { margin-top: 0.5rem; }

  .menu-toggle { display: block; }

  .hero-actions { justify-content: center; }
  .hero-content { text-align: center; }
  .hero p.lead { margin-inline: auto; }
  .hero-proof { justify-content: center; }

  .ai-grid { gap: 2.5rem; }
  .ai-stats { max-width: 480px; margin: 0 auto; }
}

@media (max-width: 768px) {
  .hero h1 { font-size: 2.1rem; }
  .hero p.lead { font-size: 1.05rem; }
  .hero-proof { gap: 1.5rem; }

  .services-grid,
  .problem-grid,
  .why-grid,
  .partners-grid { grid-template-columns: 1fr; }

  .service-card,
  .problem-card,
  .why-card,
  .partner-card { max-width: 480px; margin-inline: auto; }

  .partner-card {
    justify-content: center;
    align-items: center;
    text-align: center;
    min-height: 220px;
  }

  .partner-card-header {
    flex: 1;
    justify-content: center;
    align-items: center;
  }

  .partner-card.expanded {
    justify-content: flex-start;
    align-items: flex-start;
    text-align: left;
  }

  .partner-card.expanded .partner-card-header {
    flex: 0;
    justify-content: flex-start;
    align-items: flex-start;
  }

  .partner-card-logo {
    width: 160px;
    height: 80px;
  }

  .partner-card.expanded .partner-card-logo {
    width: 100px;
    height: 50px;
  }

  .partner-card-logo img {
    max-height: 56px;
    max-width: 130px;
  }

  .partner-card.expanded .partner-card-logo img {
    max-height: 36px;
    max-width: 80px;
  }

  .partner-card-body {
    opacity: 0;
    max-height: 0;
  }

  .partner-card.expanded .partner-card-body {
    opacity: 1;
    max-height: 500px;
  }

  .contact-grid { gap: 2.5rem; }

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

@media (max-width: 480px) {
  .hero { padding-top: 95px; padding-bottom: 3.5rem; }
  .hero h1 { font-size: 1.85rem; }
  .hero p.lead { font-size: 1rem; margin-bottom: 1.5rem; }
  .hero-proof {
    flex-direction: column;
    gap: 0.75rem;
    align-items: center;
    text-align: center;
  }
  .hero-proof div { flex-direction: column; gap: 0.1rem; }
  .hero-proof div strong { font-size: 1.2rem; }

  .hero-visual { min-height: 260px; }
  .hero-illustration { width: 88%; }

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

  .ai-stats { grid-template-columns: 1fr; }
  .stat-card { padding: 1.25rem; }

  .contact-form { padding: 1.5rem; }
  .form-group input,
  .form-group textarea,
  .form-group select { padding: 0.75rem; }

  .floating-cta { right: 1rem; bottom: 1rem; }
  .floating-cta a { width: 48px; height: 48px; }

  .cookie-banner {
    left: 0.75rem;
    right: 0.75rem;
    max-width: none;
    bottom: 5rem;
    padding: 1rem;
  }

  .cookie-inner { text-align: center; }
  .cookie-actions { justify-content: center; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; gap: 0.5rem; }

  .scroll-indicator { display: none; }
}

/* Política de Privacidade */
.hero-compact {
  min-height: auto;
  padding: 8rem 0 3rem;
}

.section-header-left {
  text-align: left;
  margin: 0;
  max-width: 800px;
}

.lead-full { max-width: 100%; }

.policy-section { padding-top: 0; }

.policy-container { max-width: 800px; }

.policy-card {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
}

.policy-text {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.policy-list {
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.value-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  transition: var(--transition);
}

.value-card:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.value-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary);
  margin-bottom: 1rem;
}

.value-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.value-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Honeypot anti-bot: oculto para usuários reais */
.form-group.hp {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}