/* ================================================
   SIX INFORMÁTICA — Estilos Principais
   Paleta: fundo claro + azul/roxo escuro (tech)
   Font: Inter (Google Fonts)
   ================================================ */

/* ---------- CSS Variables (fácil de editar) ---------- */
:root {
  /* Cores principais */
  --color-primary: #1a1a40;      /* Azul/roxo escuro principal */
  --color-primary-light: #2d2d6b; /* Variação mais clara */
  --color-accent: #4f46e5;       /* Roxo/azul vibrante para destaques */
  --color-accent-light: #6366f1;
  --color-accent-glow: rgba(79, 70, 229, 0.15);

  /* WhatsApp */
  --color-whatsapp: #25d366;
  --color-whatsapp-dark: #1ebe57;

  /* Neutros */
  --color-bg: #f8f9fc;
  --color-bg-white: #ffffff;
  --color-bg-alt: #f0f1f8;
  --color-text: #2c2c54;
  --color-text-light: #6b7280;
  --color-border: #e5e7eb;

  /* Feedback */
  --color-success: #10b981;
  --color-error: #ef4444;

  /* Tipografia */
  --font-family: 'Inter', sans-serif;

  /* Sombras */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.10);
  --shadow-card: 0 2px 12px rgba(26,26,64,0.07);

  /* Bordas */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 50px;

  /* Transição padrão */
  --transition: 0.3s ease;

  /* Header height */
  --header-height: 72px;
}


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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

input, textarea {
  font-family: inherit;
  font-size: inherit;
}


/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}


/* ---------- Section Helpers ---------- */
.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 12px;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto 48px;
}

section {
  padding: 80px 0;
}

section:nth-child(even) {
  background-color: var(--color-bg-white);
}

section .container {
  text-align: center;
}


/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--transition);
  white-space: nowrap;
  border: none;
  cursor: pointer;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 4px 16px rgba(79, 70, 229, 0.3);
}

.btn--primary:hover {
  background: var(--color-accent-light);
  box-shadow: 0 6px 24px rgba(79, 70, 229, 0.4);
  transform: translateY(-2px);
}

.btn--whatsapp {
  background: var(--color-whatsapp);
  color: #fff;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
}

.btn--whatsapp:hover {
  background: var(--color-whatsapp-dark);
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
  transform: translateY(-2px);
}

.btn--large {
  padding: 18px 40px;
  font-size: 1.1rem;
}

.btn--full {
  width: 100%;
}

.btn:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}


/* ============================================
   HEADER
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: box-shadow var(--transition);
}

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

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

.header__logo img {
  height: 42px;
  width: auto;
}

.header__nav {
  display: flex;
  align-items: center;
}

.header__menu {
  display: flex;
  gap: 4px;
}

.header__link {
  padding: 8px 14px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text-light);
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  position: relative;
}

.header__link:hover,
.header__link.active {
  color: var(--color-accent);
  background: var(--color-accent-glow);
}

.header__cta {
  padding: 10px 20px;
  font-size: 0.85rem;
}

/* Hamburger */
.header__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 1001;
}

.header__hamburger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

.header__hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.header__hamburger.active span:nth-child(2) {
  opacity: 0;
}

.header__hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}


/* ============================================
   HERO
   ============================================ */
.hero {
  padding-top: calc(var(--header-height) + 60px);
  padding-bottom: 80px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #2d2d6b 50%, #3b3b8f 100%);
  color: #fff;
  overflow: hidden;
  position: relative;
}

/* Decorative gradient blob */
.hero::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(79,70,229,0.3) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero__inner {
  display: flex;
  align-items: center;
  gap: 60px;
  text-align: left;
  position: relative;
  z-index: 1;
}

.hero__content {
  flex: 1;
  min-width: 0;
}

.hero__title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
}

.hero__subtitle {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 560px;
}

.hero__subtitle strong {
  color: #fff;
}

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

.hero__highlights {
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex-shrink: 0;
}

.hero__chip {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 24px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  backdrop-filter: blur(8px);
  transition: all var(--transition);
}

.hero__chip:hover {
  background: rgba(255,255,255,0.14);
  transform: translateX(6px);
}

.hero__chip i {
  font-size: 1.2rem;
  color: var(--color-accent-light);
}


/* ============================================
   SOBRE
   ============================================ */
.about {
  background: var(--color-bg-white);
}

.about__inner {
  max-width: 780px;
  text-align: center;
}

.about__text {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--color-text-light);
}

.about__text strong {
  color: var(--color-primary);
}


/* ============================================
   CARDS (reutilizável)
   ============================================ */
.card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  transform: scaleX(0);
  transition: transform var(--transition);
}

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

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

.card__icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-glow);
  border-radius: var(--radius-md);
  color: var(--color-accent);
  font-size: 1.4rem;
  transition: all var(--transition);
}

.card:hover .card__icon {
  background: var(--color-accent);
  color: #fff;
}

.card__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.card__text {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* Card destaque (sob medida) */
.card--highlight {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  border-color: transparent;
}

.card--highlight .card__icon {
  background: rgba(255,255,255,0.15);
  color: #fff;
}

.card--highlight:hover .card__icon {
  background: rgba(255,255,255,0.25);
}

.card--highlight .card__title {
  color: #fff;
}

.card--highlight .card__text {
  color: rgba(255,255,255,0.8);
}


/* ============================================
   SERVIÇOS
   ============================================ */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  text-align: center;
}


/* ============================================
   EXEMPLOS DE SISTEMAS
   ============================================ */
.systems__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}


/* ============================================
   CRIAÇÃO DE SITES
   ============================================ */
.websites__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.websites__benefits {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 700px;
  margin: 0 auto;
}

.websites__benefits h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.websites__benefits-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px 32px;
}

.websites__benefits-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
}

.websites__benefits-list li i {
  color: var(--color-accent);
  font-size: 1rem;
}


/* ============================================
   BENEFÍCIOS
   ============================================ */
.benefits__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  text-align: center;
}

.benefit-item {
  padding: 24px 16px;
  transition: transform var(--transition);
}

.benefit-item:hover {
  transform: translateY(-4px);
}

.benefit-item__icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-glow);
  border-radius: 50%;
  color: var(--color-accent);
  font-size: 1.3rem;
}

.benefit-item h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.benefit-item p {
  font-size: 0.88rem;
  color: var(--color-text-light);
}


/* ============================================
   RESULTADOS
   ============================================ */
.results {
  background: linear-gradient(135deg, var(--color-primary) 0%, #2d2d6b 100%);
  color: #fff;
}

.results .section-tag {
  color: var(--color-accent-light);
}

.results .section-title {
  color: #fff;
}

.results__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.result-card {
  padding: 32px 16px;
}

.result-card__number {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  color: #fff;
}

.result-card__plus {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--color-accent-light);
  margin-left: 4px;
}

.result-card__label {
  font-size: 1rem;
  color: rgba(255,255,255,0.7);
  margin-top: 8px;
}


/* ============================================
   DEPOIMENTOS
   ============================================ */
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  text-align: left;
}

.testimonial-card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
}

.testimonial-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.testimonial-card__stars {
  color: #fbbf24;
  font-size: 0.9rem;
  margin-bottom: 16px;
  display: flex;
  gap: 3px;
}

.testimonial-card__text {
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 20px;
}

.testimonial-card__author {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.testimonial-card__author strong {
  font-size: 0.95rem;
  color: var(--color-primary);
}

.testimonial-card__author span {
  font-size: 0.8rem;
  color: var(--color-text-light);
}


/* ============================================
   CTA FINAL
   ============================================ */
.cta {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary-light) 100%);
  color: #fff;
  text-align: center;
  padding: 80px 0;
}

.cta__title {
  font-size: clamp(1.75rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.cta__text {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}


/* ============================================
   CONTATO
   ============================================ */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  text-align: left;
  margin-top: 16px;
}

/* Formulário */
.contact__form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.form-group label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-primary);
}

.form-group input,
.form-group textarea {
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-white);
  color: var(--color-text);
  transition: all var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}

.form-group input.error,
.form-group textarea.error {
  border-color: var(--color-error);
}

.form-error {
  font-size: 0.78rem;
  color: var(--color-error);
  min-height: 18px;
}

.form-success {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 16px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid var(--color-success);
  border-radius: var(--radius-sm);
  color: var(--color-success);
  font-weight: 600;
  font-size: 0.9rem;
}

.form-success.show {
  display: flex;
}

/* Info cards */
.contact__info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-card {
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: all var(--transition);
}

.contact-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.contact-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-glow);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-card h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 2px;
}

.contact-card p {
  font-size: 0.88rem;
  color: var(--color-text-light);
}

.contact-card a {
  color: var(--color-accent);
  font-weight: 500;
}

.contact-card a:hover {
  text-decoration: underline;
}


/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-primary);
  color: rgba(255,255,255,0.6);
  padding: 32px 0;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.footer__logo {
  height: 36px;
  width: auto;
  opacity: 0.7;
  /* Inverte a logo se ela for escura */
  filter: brightness(0) invert(1);
}

.footer__copy {
  font-size: 0.85rem;
}


/* ============================================
   BOTÃO FLUTUANTE WHATSAPP
   ============================================ */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background: var(--color-whatsapp);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: all var(--transition);
  animation: float-pulse 2s ease-in-out infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37, 211, 102, 0.5);
}

@keyframes float-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}


/* ============================================
   ANIMAÇÕES - SCROLL REVEAL
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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


/* ============================================
   RESPONSIVE DESIGN (Mobile-First ajustes)
   ============================================ */

/* Tablet (max 1024px) */
@media (max-width: 1024px) {
  .hero__inner {
    flex-direction: column;
    text-align: center;
  }

  .hero__subtitle {
    max-width: 100%;
  }

  .hero__buttons {
    justify-content: center;
  }

  .hero__highlights {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }

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

/* Mobile (max 768px) */
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  section {
    padding: 60px 0;
  }

  .section-subtitle {
    margin-bottom: 32px;
  }

  /* Header mobile */
  .header__hamburger {
    display: flex;
  }

  .header__nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--color-bg-white);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: var(--shadow-lg);
    transition: right var(--transition);
    z-index: 1000;
  }

  .header__nav.open {
    right: 0;
  }

  .header__menu {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .header__link {
    font-size: 1rem;
    padding: 12px 24px;
  }

  .header__cta {
    display: none;
  }

  /* Overlay */
  .nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
  }

  .nav-overlay.show {
    opacity: 1;
    pointer-events: all;
  }

  /* Hero mobile */
  .hero {
    padding-top: calc(var(--header-height) + 40px);
    padding-bottom: 60px;
  }

  .hero__chip {
    padding: 12px 18px;
    font-size: 0.85rem;
  }

  .btn {
    padding: 12px 22px;
    font-size: 0.9rem;
  }

  .btn--large {
    padding: 16px 32px;
    font-size: 1rem;
  }

  /* Grids */
  .services__grid,
  .systems__grid,
  .websites__grid,
  .benefits__grid,
  .results__grid,
  .testimonials__grid {
    grid-template-columns: 1fr;
  }

  /* Results 2 cols on small */
  .results__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .result-card {
    padding: 24px 16px;
  }

  /* Contact */
  .contact__grid {
    grid-template-columns: 1fr;
  }
}

/* Small mobile (max 480px) */
@media (max-width: 480px) {
  .hero__buttons {
    flex-direction: column;
    width: 100%;
  }

  .hero__buttons .btn {
    width: 100%;
  }

  .hero__highlights {
    flex-direction: column;
  }

  .hero__chip {
    width: 100%;
  }

  .card {
    padding: 24px 20px;
  }

  .websites__benefits {
    padding: 24px 16px;
  }

  .websites__benefits-list {
    flex-direction: column;
    align-items: center;
  }
}