/* ============================================
   FixCamp Tecnologia — style.css
   Design system premium | HTML5 + CSS3
   ============================================ */

/* ---------- 1. VARIÁVEIS ---------- */
:root {
  --color-navy: #0F172A;
  --color-blue: #2563EB;
  --color-blue-dark: #1D4ED8;
  --color-blue-light: #DBEAFE;
  --color-bg: #F8FAFC;
  --color-bg-alt: #FFFFFF;
  --color-gray: #64748B;
  --color-gray-light: #94A3B8;
  --color-border: #E2E8F0;
  --color-white: #FFFFFF;
  --color-success: #059669;
  --color-error: #DC2626;
  --color-whatsapp: #25D366;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.1);
  --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.12);

  --transition: 0.25s ease;
  --transition-slow: 0.4s ease;

  --header-h: 72px;
  --container: 1120px;
}

/* ---------- 2. RESET ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-navy);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, textarea, select {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
  outline: none;
}
button { cursor: pointer; }
h1, h2, h3, h4 { line-height: 1.25; font-weight: 700; }

/* ---------- 3. ACESSIBILIDADE ---------- */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  background: var(--color-blue);
  color: var(--color-white);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-sm);
  z-index: 9999;
  font-weight: 600;
  transition: top 0.2s;
}
.skip-link:focus { top: var(--space-4); }

:focus-visible {
  outline: 2px solid var(--color-blue);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* ---------- 4. BASE / LAYOUT ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-24) 0;
}
.section--alt {
  background: var(--color-bg-alt);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-12);
}
.section-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-blue);
  margin-bottom: var(--space-3);
}
.section-title {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  color: var(--color-navy);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}
.section-desc {
  font-size: var(--text-lg);
  color: var(--color-gray);
  line-height: 1.7;
}

.text-accent { color: var(--color-blue); }

/* ---------- 5. BOTÕES ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.5rem;
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius);
  transition: all var(--transition);
  white-space: nowrap;
  border: 1.5px solid transparent;
}
.btn--primary {
  background: var(--color-blue);
  color: var(--color-white);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}
.btn--primary:hover {
  background: var(--color-blue-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}
.btn--outline {
  background: transparent;
  color: var(--color-navy);
  border-color: var(--color-border);
}
.btn--outline:hover {
  border-color: var(--color-blue);
  color: var(--color-blue);
  background: var(--color-blue-light);
}
.btn--white {
  background: var(--color-white);
  color: var(--color-blue);
}
.btn--white:hover {
  background: var(--color-blue-light);
  transform: translateY(-1px);
}
.btn--whatsapp {
  background: var(--color-whatsapp);
  color: var(--color-white);
}
.btn--whatsapp:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}
.btn--full { width: 100%; }

/* ---------- 6. HEADER ---------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
}
.header.scrolled {
  background: rgba(248, 250, 252, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--color-border);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-4);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
  z-index: 1001;
}
.logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.logo__name {
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--color-navy);
}
.logo__sub {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-gray);
  letter-spacing: 0.02em;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}
.nav__link {
  padding: 0.5rem 0.7rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav__link:hover,
.nav__link.active {
  color: var(--color-blue);
  background: var(--color-blue-light);
}

.header__cta { flex-shrink: 0; }

.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  z-index: 1001;
}
.menu-toggle__bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-navy);
  border-radius: 2px;
  transition: all var(--transition);
}
.menu-toggle.active .menu-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.menu-toggle.active .menu-toggle__bar:nth-child(2) { opacity: 0; }
.menu-toggle.active .menu-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- 7. HERO ---------- */
.hero {
  position: relative;
  padding: calc(var(--header-h) + var(--space-16)) 0 var(--space-20);
  overflow: hidden;
  background: linear-gradient(180deg, #F1F5F9 0%, var(--color-bg) 100%);
}
.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.hero__code-line {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37, 99, 235, 0.12), transparent);
}
.hero__code-line--1 { top: 25%; left: 0; right: 0; }
.hero__code-line--2 { top: 55%; left: 10%; right: 10%; opacity: 0.6; }
.hero__code-line--3 { top: 80%; left: 5%; right: 20%; opacity: 0.4; }

.hero__content {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--space-12);
}
.hero__badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-blue);
  background: var(--color-blue-light);
  padding: 0.4rem 1rem;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
}
.hero__title {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-5);
  color: var(--color-navy);
}
.hero__subtitle {
  font-size: var(--text-lg);
  color: var(--color-gray);
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto;
}

.hero__cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  max-width: 800px;
  margin: 0 auto;
}
.hero-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}
.hero-card:hover {
  border-color: rgba(37, 99, 235, 0.3);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.hero-card--primary {
  background: var(--color-blue);
  border-color: var(--color-blue);
  color: var(--color-white);
}
.hero-card--primary:hover {
  background: var(--color-blue-dark);
  border-color: var(--color-blue-dark);
}
.hero-card--primary .hero-card__text { color: rgba(255,255,255,0.85); }
.hero-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-blue-light);
  color: var(--color-blue);
  border-radius: var(--radius);
}
.hero-card--primary .hero-card__icon {
  background: rgba(255,255,255,0.15);
  color: var(--color-white);
}
.hero-card__title {
  font-size: var(--text-xl);
  font-weight: 700;
}
.hero-card__text {
  font-size: var(--text-sm);
  color: var(--color-gray);
  line-height: 1.65;
  flex: 1;
}
.hero-card .btn { align-self: flex-start; }

/* ---------- 8. PILARES ---------- */
.pillars__divider {
  width: 60px;
  height: 3px;
  background: var(--color-blue);
  margin: 0 auto var(--space-12);
  border-radius: 2px;
}
.pillars__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}
.pillar {
  text-align: center;
  padding: var(--space-6);
}
.pillar__icon {
  width: 52px;
  height: 52px;
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-blue-light);
  color: var(--color-blue);
  border-radius: var(--radius);
}
.pillar__title {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}
.pillar__text {
  font-size: var(--text-sm);
  color: var(--color-gray);
  line-height: 1.65;
}

/* ---------- 9. SERVIÇOS ---------- */
.services__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}
.service-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition: all var(--transition);
}
.service-card:hover {
  border-color: rgba(37, 99, 235, 0.35);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.service-card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-blue-light);
  color: var(--color-blue);
  border-radius: var(--radius-sm);
}
.service-card__title {
  font-size: var(--text-base);
  font-weight: 700;
}
.service-card__text {
  font-size: var(--text-sm);
  color: var(--color-gray);
  line-height: 1.6;
  flex: 1;
}
.service-card__link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-blue);
  align-self: flex-start;
  padding: 0;
  transition: color var(--transition);
}
.service-card__link:hover { color: var(--color-blue-dark); text-decoration: underline; }

/* ---------- 10. WOOCOMMERCE ---------- */
.woo__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}
.woo__text {
  font-size: var(--text-base);
  color: var(--color-gray);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}
.woo__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}
.woo__list li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-navy);
}
.woo__list-icon {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-blue-light);
  color: var(--color-blue);
  border-radius: 50%;
  font-size: var(--text-xs);
  font-weight: 700;
  flex-shrink: 0;
}

.mockup {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.mockup__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: #F1F5F9;
  border-bottom: 1px solid var(--color-border);
}
.mockup__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #CBD5E1;
}
.mockup__dot:nth-child(1) { background: #F87171; }
.mockup__dot:nth-child(2) { background: #FBBF24; }
.mockup__dot:nth-child(3) { background: #34D399; }
.mockup__title {
  margin-left: auto;
  font-size: var(--text-xs);
  color: var(--color-gray);
  font-weight: 500;
}
.mockup__body { display: flex; min-height: 260px; }
.mockup__sidebar {
  width: 56px;
  background: #F8FAFC;
  border-right: 1px solid var(--color-border);
  padding: var(--space-4) var(--space-2);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.mockup__nav-item {
  height: 10px;
  border-radius: 4px;
  background: #E2E8F0;
}
.mockup__nav-item--active { background: var(--color-blue); width: 80%; }
.mockup__main { flex: 1; padding: var(--space-4); }
.mockup__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.mockup__stat {
  background: #F8FAFC;
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  text-align: center;
}
.mockup__stat-label {
  display: block;
  font-size: 0.65rem;
  color: var(--color-gray-light);
  margin-bottom: 2px;
}
.mockup__stat-value {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-navy);
}
.mockup__table { display: flex; flex-direction: column; gap: 6px; }
.mockup__row {
  height: 12px;
  background: #F1F5F9;
  border-radius: 3px;
}
.mockup__row--head { background: #E2E8F0; height: 10px; width: 70%; }
.mockup__row:nth-child(2) { width: 100%; }
.mockup__row:nth-child(3) { width: 90%; }
.mockup__row:nth-child(4) { width: 95%; }
.mockup__row:nth-child(5) { width: 80%; }

/* ---------- 11. MANUTENÇÃO ---------- */
.maintenance__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-10);
}
.maint-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
  transition: all var(--transition);
}
.maint-card:hover {
  border-color: rgba(37, 99, 235, 0.3);
  box-shadow: var(--shadow);
}
.maint-card__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-blue-light);
  color: var(--color-blue);
  border-radius: var(--radius);
}
.maint-card__title {
  font-size: var(--text-base);
  margin-bottom: var(--space-2);
}
.maint-card__text {
  font-size: var(--text-sm);
  color: var(--color-gray);
  line-height: 1.6;
}
.maintenance__cta { text-align: center; }

/* ---------- 12. AULAS ---------- */
.lessons__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}
.lesson-block {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}
.lesson-block--alt {
  background: var(--color-navy);
  border-color: var(--color-navy);
  color: var(--color-white);
}
.lesson-block__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-5);
}
.lesson-block--alt .lesson-block__title { color: var(--color-white); }
.lesson-block__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.lesson-block__list li {
  position: relative;
  padding-left: var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-gray);
}
.lesson-block--alt .lesson-block__list li { color: rgba(255,255,255,0.8); }
.lesson-block__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-blue);
}
.lesson-block--alt .lesson-block__list li::before {
  background: rgba(255,255,255,0.5);
}

.lessons__quote {
  max-width: 560px;
  margin: 0 auto var(--space-10);
  text-align: center;
  padding: var(--space-6) var(--space-8);
  border-left: 3px solid var(--color-blue);
  background: var(--color-blue-light);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.lessons__quote p {
  font-size: var(--text-base);
  font-style: italic;
  color: var(--color-navy);
  line-height: 1.7;
}
.lessons__cta { text-align: center; }

/* ---------- 13. TIMELINE ---------- */
.timeline {
  max-width: 640px;
  margin: 0 auto;
  position: relative;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 19px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: var(--color-border);
}
.timeline__item {
  display: flex;
  gap: var(--space-5);
  padding-bottom: var(--space-8);
  position: relative;
}
.timeline__item:last-child { padding-bottom: 0; }
.timeline__num {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-blue);
  color: var(--color-white);
  font-weight: 700;
  font-size: var(--text-sm);
  border-radius: 50%;
  position: relative;
  z-index: 1;
}
.timeline__title {
  font-size: var(--text-base);
  margin-bottom: var(--space-1);
}
.timeline__text {
  font-size: var(--text-sm);
  color: var(--color-gray);
  line-height: 1.6;
}

/* ---------- 14. TECNOLOGIAS ---------- */
.tech__badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-3);
}
.tech-badge {
  display: inline-block;
  padding: 0.55rem 1.15rem;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-navy);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  transition: all var(--transition);
}
.tech-badge:hover {
  border-color: var(--color-blue);
  color: var(--color-blue);
  background: var(--color-blue-light);
}

/* ---------- 15. DIFERENCIAIS ---------- */
.diff__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.diff-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: all var(--transition);
}
.diff-card:hover {
  border-color: rgba(37, 99, 235, 0.3);
  box-shadow: var(--shadow-sm);
}
.diff-card__title {
  font-size: var(--text-base);
  margin-bottom: var(--space-2);
  color: var(--color-blue);
}
.diff-card__text {
  font-size: var(--text-sm);
  color: var(--color-gray);
  line-height: 1.65;
}

/* ---------- 16. PORTFÓLIO ---------- */
.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.portfolio-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}
.portfolio-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.portfolio-card__placeholder {
  height: 160px;
  background: linear-gradient(135deg, #F1F5F9 0%, #E2E8F0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}
.portfolio-card__label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-gray-light);
  letter-spacing: 0.02em;
}
.portfolio-card__title {
  font-size: var(--text-base);
  padding: var(--space-4) var(--space-5) var(--space-1);
}
.portfolio-card__text {
  font-size: var(--text-sm);
  color: var(--color-gray);
  padding: 0 var(--space-5) var(--space-5);
  line-height: 1.5;
}

/* ---------- 17. SOBRE ---------- */
.about__grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--space-12);
  align-items: start;
}
.about__text {
  font-size: var(--text-base);
  color: var(--color-gray);
  line-height: 1.75;
  margin-bottom: var(--space-4);
}
.about__principles {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.principle {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-5);
}
.principle__num {
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-blue);
  line-height: 1;
}
.principle__text {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-navy);
  line-height: 1.5;
}

/* ---------- 18. FAQ ---------- */
.faq__list {
  max-width: 700px;
  margin: 0 auto;
}
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: var(--space-3);
  background: var(--color-white);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item:hover,
.faq-item.open {
  border-color: rgba(37, 99, 235, 0.35);
}
.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  text-align: left;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-navy);
  transition: color var(--transition);
}
.faq-item__question:hover { color: var(--color-blue); }
.faq-item__icon {
  width: 18px;
  height: 18px;
  position: relative;
  flex-shrink: 0;
}
.faq-item__icon::before,
.faq-item__icon::after {
  content: '';
  position: absolute;
  background: var(--color-gray);
  transition: all var(--transition);
}
.faq-item__icon::before {
  top: 50%; left: 0;
  width: 100%; height: 2px;
  transform: translateY(-50%);
}
.faq-item__icon::after {
  top: 0; left: 50%;
  width: 2px; height: 100%;
  transform: translateX(-50%);
}
.faq-item.open .faq-item__icon::after {
  transform: translateX(-50%) rotate(90deg);
  opacity: 0;
}
.faq-item.open .faq-item__icon::before {
  background: var(--color-blue);
}
.faq-item__answer {
  padding: 0 var(--space-6) var(--space-5);
}
.faq-item__answer[hidden] { display: none; }
.faq-item__answer p {
  font-size: var(--text-sm);
  color: var(--color-gray);
  line-height: 1.7;
}

/* ---------- 19. CONTATO ---------- */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-12);
  align-items: start;
}
.contact__text {
  font-size: var(--text-base);
  color: var(--color-gray);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}
.contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.contact-form {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
}
.form-group {
  margin-bottom: var(--space-5);
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-navy);
  margin-bottom: var(--space-2);
}
.required { color: var(--color-error); }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.7rem 1rem;
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
  color: var(--color-navy);
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-gray-light);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}
.form-group input.error,
.form-group textarea.error,
.form-group select.error {
  border-color: var(--color-error);
}
.form-error {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-error);
  margin-top: var(--space-1);
  min-height: 1.1em;
}
.form-group--check { margin-bottom: var(--space-6); }
.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 400 !important;
  color: var(--color-gray);
  cursor: pointer;
}
.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--color-blue);
  flex-shrink: 0;
  cursor: pointer;
}

/* ---------- 20. FOOTER ---------- */
.footer {
  background: var(--color-navy);
  color: rgba(255,255,255,0.7);
  padding: var(--space-16) 0 0;
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}
.footer .logo__name { color: var(--color-white); }
.footer .logo__sub { color: rgba(255,255,255,0.5); }
.footer__tagline {
  font-size: var(--text-sm);
  margin-top: var(--space-4);
  max-width: 260px;
  line-height: 1.6;
}
.footer__heading {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-4);
}
.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer__links a {
  font-size: var(--text-sm);
  transition: color var(--transition);
}
.footer__links a:hover { color: var(--color-white); }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: var(--space-6) 0;
  text-align: center;
}
.footer__bottom p {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.45);
}

/* ---------- 21. MODAL ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}
.modal[hidden] { display: none; }
.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(4px);
}
.modal__box {
  position: relative;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  max-width: 480px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  max-height: 90vh;
  overflow-y: auto;
}
.modal__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--color-gray);
  transition: background var(--transition), color var(--transition);
}
.modal__close:hover {
  background: var(--color-bg);
  color: var(--color-navy);
}
.modal__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
  padding-right: var(--space-8);
}
.modal__body {
  font-size: var(--text-sm);
  color: var(--color-gray);
  line-height: 1.7;
  margin-bottom: var(--space-6);
}
.modal__body p + p { margin-top: var(--space-3); }

/* ---------- 22. TOAST ---------- */
.toast {
  position: fixed;
  inset: 0;
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(4px);
}
.toast[hidden] { display: none; }
.toast__box {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  max-width: 400px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.toast__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  background: #D1FAE5;
  color: var(--color-success);
  border-radius: 50%;
  font-size: var(--text-xl);
  font-weight: 700;
}
.toast__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
}
.toast__text {
  font-size: var(--text-sm);
  color: var(--color-gray);
  margin-bottom: var(--space-6);
  line-height: 1.6;
}

/* ---------- 23. BACK TO TOP ---------- */
.back-top {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-navy);
  color: var(--color-white);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  z-index: 900;
  transition: all var(--transition);
  opacity: 0;
  pointer-events: none;
}
.back-top.visible {
  opacity: 1;
  pointer-events: auto;
}
.back-top:hover {
  background: var(--color-blue);
  transform: translateY(-2px);
}

/* ---------- 24. ANIMAÇÕES ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 25. RESPONSIVO ---------- */
@media (max-width: 1024px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
  .maintenance__grid { grid-template-columns: repeat(2, 1fr); }
  .diff__grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio__grid { grid-template-columns: repeat(2, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--space-8); }
  .woo__grid { gap: var(--space-8); }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }

  .menu-toggle { display: flex; }
  .header__cta { display: none; }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(300px, 85vw);
    height: 100vh;
    background: var(--color-white);
    border-left: 1px solid var(--color-border);
    padding: calc(var(--header-h) + var(--space-6)) var(--space-6) var(--space-8);
    transition: right var(--transition);
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    overflow-y: auto;
  }
  .nav.open { right: 0; }
  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }
  .nav__link {
    padding: 0.85rem 1rem;
    font-size: var(--text-base);
  }

  .hero { padding-top: calc(var(--header-h) + var(--space-10)); }
  .hero__cards { grid-template-columns: 1fr; }
  .pillars__grid { grid-template-columns: 1fr; gap: var(--space-4); }
  .woo__grid { grid-template-columns: 1fr; }
  .woo__mockup { order: -1; }
  .lessons__grid { grid-template-columns: 1fr; }
  .about__grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .contact__grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .form-row { grid-template-columns: 1fr; }
  .portfolio__grid { grid-template-columns: 1fr; }
  .section { padding: var(--space-16) 0; }
  .footer__grid { grid-template-columns: 1fr; gap: var(--space-6); }
}

@media (max-width: 480px) {
  .container { padding: 0 var(--space-4); }
  .services__grid { grid-template-columns: 1fr; }
  .maintenance__grid { grid-template-columns: 1fr; }
  .diff__grid { grid-template-columns: 1fr; }
  .hero-card { padding: var(--space-6); }
  .contact-form { padding: var(--space-5); }
  .btn { width: 100%; }
  .contact__actions { flex-direction: column; }
  .contact__actions .btn { width: 100%; }
  .back-top { bottom: var(--space-4); right: var(--space-4); }
}

@media (max-width: 375px) {
  .hero__title { font-size: var(--text-2xl); }
  .section-title { font-size: var(--text-xl); }
}