/* ==========================================================================
   GVE Tech Marketing — Design System
   ========================================================================== */

:root {
  /* Cor */
  --ink: #0A1A22;
  --ink-soft: #17303A;
  --paper: #F5FAF9;
  --paper-alt: #ECF3F2;
  --teal-900: #0D3B3E;
  --teal-700: #114B4E;
  --teal-600: #146B6E;
  --aqua: #2FE0C6;
  --aqua-dim: rgba(47, 224, 198, 0.16);
  --coral: #FF6B4D;
  --coral-dark: #E8532F;
  --mist: #5C7378;
  --line: rgba(13, 59, 62, 0.12);
  --line-dark: rgba(245, 250, 249, 0.14);

  /* Tipografia */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  /* Forma */
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 24px 60px -28px rgba(10, 26, 34, 0.4);
  --shadow-sm: 0 12px 30px -18px rgba(10, 26, 34, 0.3);

  --container: 1180px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1.12;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 3.2vw + 1.3rem, 4rem); font-weight: 700; }
h2 { font-size: clamp(1.9rem, 1.6vw + 1.3rem, 2.6rem); font-weight: 700; }
h3 { font-size: clamp(1.15rem, 0.4vw + 1rem, 1.3rem); font-weight: 600; }
h4 { font-size: 1.05rem; font-weight: 600; }

p { color: var(--mist); }

:focus-visible {
  outline: 2px solid var(--aqua);
  outline-offset: 3px;
  border-radius: 4px;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section-bg { background: var(--paper-alt); }

/* Eyebrow labels — reforça o lado "orientado a dados" */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal-600);
  margin-bottom: 14px;
}

.eyebrow::before {
  content: '';
  width: 18px;
  height: 2px;
  background: var(--coral);
  display: inline-block;
}

.section-header {
  max-width: 620px;
  margin-bottom: 52px;
}

.section-header p { font-size: 1.05rem; margin-top: 10px; }

/* ==========================================================================
   Botões
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 15px 28px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--coral-dark);
  transform: translateY(-2px);
  box-shadow: 0 18px 34px -16px rgba(232, 83, 47, 0.55);
}

.btn-outline {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

.btn-outline:hover {
  border-color: var(--teal-600);
  background: var(--aqua-dim);
}

.btn-block { width: 100%; }

/* Brilho passando ao passar o mouse — elemento de assinatura reaproveitado */
.btn::after {
  content: '';
  position: absolute;
  top: 0; left: -60%;
  width: 40%; height: 100%;
  background: linear-gradient(115deg, transparent, rgba(255,255,255,0.35), transparent);
  transform: skewX(-20deg);
  transition: left 0.7s var(--ease);
}

.btn:hover::after { left: 130%; }

/* ==========================================================================
   Header
   ========================================================================== */

.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: all 0.35s var(--ease);
  background: rgba(245, 250, 249, 0);
}

.header.scrolled {
  background: rgba(245, 250, 249, 0.88);
  backdrop-filter: blur(10px);
  padding: 12px 0;
  box-shadow: 0 1px 0 var(--line);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo { display: inline-flex; align-items: center; }
.logo img { height: 34px; width: auto; }

.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--ink);
}

.logo-text .accent { color: var(--teal-600); }

.nav-list {
  display: flex;
  gap: 34px;
}

.nav-link {
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--ink-soft);
  position: relative;
  padding: 4px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: var(--coral);
  transition: width 0.3s var(--ease);
}

.nav-link:hover::after { width: 100%; }

.header-btn { padding: 11px 22px; font-size: 0.88rem; }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--ink);
  cursor: pointer;
  padding: 6px;
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  padding: 168px 0 100px;
  background:
    radial-gradient(760px 420px at 82% 8%, var(--aqua-dim), transparent 70%),
    var(--paper);
  overflow: hidden;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.hero-title { margin-bottom: 20px; }

.hero-title .highlight {
  color: var(--teal-700);
  background: linear-gradient(180deg, transparent 62%, var(--aqua-dim) 62%);
}

.hero-subtitle {
  font-size: 1.08rem;
  max-width: 480px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 28px;
}

.hero-trust li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--ink-soft);
}

.hero-trust svg { color: var(--teal-600); flex-shrink: 0; }

.hero-image {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 4 / 3.4;
  background: linear-gradient(155deg, var(--teal-900), var(--teal-700));
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-image .img-fallback {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 10px;
  color: rgba(245,250,249,0.55);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-align: center;
  padding: 20px;
}

/* Elemento de assinatura: feixe diagonal que varre o hero uma vez ao carregar */
.hero-image::before {
  content: '';
  position: absolute;
  top: -40%; left: -60%;
  width: 55%; height: 220%;
  background: linear-gradient(100deg, transparent, rgba(47, 224, 198, 0.55), rgba(255,255,255,0.15), transparent);
  transform: rotate(8deg);
  animation: sweep 1.8s var(--ease) 0.4s 1 both;
  z-index: 2;
  pointer-events: none;
}

@keyframes sweep {
  0% { left: -60%; opacity: 0; }
  15% { opacity: 1; }
  100% { left: 130%; opacity: 1; }
}

/* Divisor "shine line" entre seções — reforça a assinatura visual */
.sweep-divider {
  height: 1px;
  background: var(--line);
  position: relative;
  overflow: hidden;
}

.sweep-divider::after {
  content: '';
  position: absolute;
  top: 0; left: -20%;
  width: 20%; height: 100%;
  background: linear-gradient(90deg, transparent, var(--aqua), transparent);
  animation: divider-shine 5s ease-in-out infinite;
}

@keyframes divider-shine {
  0% { left: -20%; }
  50% { left: 100%; }
  100% { left: 100%; }
}

/* ==========================================================================
   Services
   ========================================================================== */

.services { padding: 110px 0; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.service-card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px 28px;
  overflow: hidden;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}

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

.service-card::before {
  content: '';
  position: absolute;
  top: -60%; left: -80%;
  width: 60%; height: 260%;
  background: linear-gradient(100deg, transparent, rgba(47,224,198,0.28), transparent);
  transform: rotate(12deg);
  transition: left 0.7s var(--ease);
  pointer-events: none;
}

.service-card:hover::before { left: 140%; }

.service-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-sm);
  background: var(--teal-900);
  color: var(--aqua);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.service-card h3 { margin-bottom: 10px; }
.service-card p { font-size: 0.94rem; margin-bottom: 18px; }

.service-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--teal-700);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.25s var(--ease);
}

.service-link:hover { gap: 9px; color: var(--coral-dark); }

/* ==========================================================================
   Sobre
   ========================================================================== */

.about { padding: 110px 0; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: 60px;
  align-items: center;
}

.about-text p { margin-bottom: 16px; font-size: 1.02rem; }
.about-text p strong { color: var(--ink); }

.mission-vision {
  display: grid;
  gap: 20px;
  margin-top: 28px;
}

.mv-item {
  padding: 20px 22px;
  border-left: 2px solid var(--aqua);
  background: var(--paper-alt);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.mv-item h4 { color: var(--teal-700); margin-bottom: 6px; }
.mv-item p { font-size: 0.92rem; margin-bottom: 0; }

.about-image {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 4 / 4.6;
  background: linear-gradient(155deg, var(--teal-700), var(--teal-900));
}

.about-image img { width: 100%; height: 100%; object-fit: cover; }

.img-fallback {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 10px;
  color: rgba(245,250,249,0.55);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-align: center;
  padding: 20px;
}

/* ==========================================================================
   Diferenciais
   ========================================================================== */

.differentials { padding: 110px 0; }

.diff-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.diff-card {
  background: var(--ink);
  color: var(--paper);
  padding: 30px 24px;
  border-radius: var(--radius);
  position: relative;
  isolation: isolate;
}

.diff-card:nth-child(1) { background: var(--teal-900); }
.diff-card:nth-child(2) { background: var(--ink); }
.diff-card:nth-child(3) { background: var(--teal-700); }
.diff-card:nth-child(4) { background: var(--ink-soft); }

.diff-card h4 { color: var(--aqua); margin-bottom: 10px; }
.diff-card p { color: rgba(245,250,249,0.72); font-size: 0.92rem; margin-bottom: 0; }

/* ==========================================================================
   Processo
   ========================================================================== */

.process { padding: 110px 0; }

.process-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  position: relative;
}

.step {
  position: relative;
  padding: 28px 20px 22px;
  border-top: 2px solid var(--line);
}

.step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: -2px; left: 0;
  width: 0%;
  height: 2px;
  background: var(--aqua);
}

.step-number {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--coral);
  margin-bottom: 12px;
}

.step h4 { margin-bottom: 8px; }
.step p { font-size: 0.9rem; margin-bottom: 0; }

/* ==========================================================================
   Contato
   ========================================================================== */

.contact { padding: 110px 0; }

.contact-wrapper {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
}

.contact-info h2 { margin-bottom: 16px; }
.contact-info p { font-size: 1.02rem; margin-bottom: 30px; }

.contact-details p {
  margin-bottom: 12px;
  font-size: 0.96rem;
  color: var(--ink-soft);
}

.contact-details strong { color: var(--ink); font-family: var(--font-mono); font-weight: 500; font-size: 0.85rem; }

.contact-form-container {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}

.form-group { margin-bottom: 18px; }

.form-group label {
  display: block;
  font-size: 0.84rem;
  font-weight: 600;
  margin-bottom: 7px;
  color: var(--ink-soft);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink);
  background: #fff;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--teal-600);
  box-shadow: 0 0 0 3px var(--aqua-dim);
}

.form-group textarea { resize: vertical; }

.form-feedback {
  font-size: 0.88rem;
  margin-top: 14px;
  min-height: 1.2em;
}

.form-feedback.success { color: var(--teal-700); }
.form-feedback.error { color: var(--coral-dark); }

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  background: var(--ink);
  color: rgba(245,250,249,0.7);
  padding: 70px 0 0;
}

.footer-container {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid var(--line-dark);
}

.footer-brand .logo-text { color: var(--paper); }
.footer-brand p { margin-top: 14px; max-width: 320px; font-size: 0.92rem; }

.footer h4 {
  color: var(--paper);
  font-size: 0.95rem;
  margin-bottom: 18px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 500;
}

.footer-links ul li { margin-bottom: 11px; }
.footer-links a { font-size: 0.92rem; transition: color 0.25s var(--ease); }
.footer-links a:hover { color: var(--aqua); }

.footer-contact p { margin-bottom: 9px; font-size: 0.92rem; }

.footer-bottom {
  padding: 24px 0;
  text-align: center;
  font-size: 0.82rem;
  color: rgba(245,250,249,0.45);
}

/* ==========================================================================
   WhatsApp flutuante
   ========================================================================== */

.float-wa {
  position: fixed;
  bottom: 26px; right: 26px;
  width: 58px; height: 58px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 14px 30px -10px rgba(37, 211, 102, 0.6);
  z-index: 90;
  animation: pulse-wa 2.6s ease-in-out infinite;
}

@keyframes pulse-wa {
  0%, 100% { box-shadow: 0 14px 30px -10px rgba(37, 211, 102, 0.6); }
  50% { box-shadow: 0 14px 34px -6px rgba(37, 211, 102, 0.85); }
}

/* ==========================================================================
   Reveal on scroll
   ========================================================================== */

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.fade-in.is-visible { opacity: 1; transform: translateY(0); }

.slide-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

.slide-up.is-visible { opacity: 1; transform: translateY(0); }

.services-grid .slide-up:nth-child(1) { transition-delay: 0.05s; }
.services-grid .slide-up:nth-child(2) { transition-delay: 0.1s; }
.services-grid .slide-up:nth-child(3) { transition-delay: 0.15s; }
.services-grid .slide-up:nth-child(4) { transition-delay: 0.2s; }
.services-grid .slide-up:nth-child(5) { transition-delay: 0.25s; }
.services-grid .slide-up:nth-child(6) { transition-delay: 0.3s; }

/* ==========================================================================
   Responsivo
   ========================================================================== */

@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .diff-grid { grid-template-columns: repeat(2, 1fr); }
  .process-steps { grid-template-columns: repeat(3, 1fr); }
  .about-grid, .contact-wrapper { grid-template-columns: 1fr; }
  .about-image { order: -1; max-width: 420px; }
}

@media (max-width: 860px) {
  .nav { display: none; }
  .menu-toggle { display: flex; }
  .header-btn { display: none; }

  .nav.is-open {
    display: block;
    position: fixed;
    top: 68px; left: 0; right: 0;
    background: var(--paper);
    padding: 24px;
    box-shadow: var(--shadow-sm);
  }

  .nav.is-open .nav-list { flex-direction: column; gap: 4px; }
  .nav.is-open .nav-link { display: block; padding: 12px 4px; }

  .hero { padding: 130px 0 70px; }
  .hero-container { grid-template-columns: 1fr; }
  .hero-image { order: -1; width: 100%; max-width: 460px; margin: 0 auto 8px; }
}

@media (max-width: 640px) {
  .services-grid, .diff-grid, .process-steps { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .footer-container { grid-template-columns: 1fr; gap: 34px; }
}