/* ============================================================
   G-TECH SISTEMAS — DESIGN SYSTEM
   ============================================================ */

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

html {
  scroll-behavior: smooth;
}

/* ===== VARIÁVEIS (DESIGN TOKENS) ===== */
:root {
  /* Cores base */
  --bg: #07122a;
  --bg2: #0d1b38;
  --surface: #151f37;
  --surface2: #1f2942;

  /* Cores de marca */
  --primary: #a8e8ff;
  --primary-dim: #3cd7ff;
  --primary-container: #00d4ff;
  --on-primary: #003642;

  /* Texto */
  --on-surface: #d9e2ff;
  --on-surface-var: #bbc9cf;

  /* Bordas */
  --outline: #3c494e;
  --outline-soft: rgba(255, 255, 255, 0.07);

  /* Espaçamentos (escala 4px) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;

  /* Raios */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 999px;

  /* Tipografia */
  --font-base: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Transições */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 0.2s var(--ease);
  --transition-base: 0.3s var(--ease);

  /* Camadas (z-index) */
  --z-header: 100;
  --z-chatbot: 150;
  --z-fab: 200;
  --z-modal: 300;
}

/* ===== BASE ===== */
body {
  background: var(--bg);
  color: var(--on-surface);
  font-family: var(--font-base);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
}

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

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  vertical-align: middle;
}

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

/* ===== UTILITÁRIOS ===== */
.section-wrap {
  padding: var(--space-9) var(--space-5);
  max-width: 1200px;
  margin: 0 auto;
}

.section-label {
  text-align: center;
  margin-bottom: var(--space-7);
}

.section-label h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.015em;
  margin-bottom: var(--space-2);
}

.section-label .line {
  width: 36px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-container));
  border-radius: 2px;
  margin: 0 auto;
}

.section-label p {
  color: var(--on-surface-var);
  font-size: 15px;
  margin-top: var(--space-3);
}

/* ===== GLASSMORPHISM ===== */
.glass {
  background: rgba(21, 31, 55, 0.45);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--outline-soft);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.glass:hover {
  border-color: rgba(168, 232, 255, 0.22);
  background: rgba(21, 31, 55, 0.65);
  transform: translateY(-3px);
}

/* ===== BOTÕES ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: 15px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary);
  color: var(--on-primary);
  box-shadow: 0 0 24px rgba(168, 232, 255, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 36px rgba(168, 232, 255, 0.35);
}

.btn-primary:active {
  transform: scale(0.97);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1px solid rgba(168, 232, 255, 0.4);
}

.btn-outline:hover {
  background: rgba(168, 232, 255, 0.07);
  border-color: rgba(168, 232, 255, 0.6);
}

.nav-btn,
.nav-cta {
  background: none;
  border: 1px solid rgba(168, 232, 255, 0.25);
  color: var(--on-surface-var);
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: all var(--transition-fast);
}

.nav-btn:hover,
.nav-cta:hover {
  color: var(--primary);
  border-color: rgba(168, 232, 255, 0.5);
  background: rgba(168, 232, 255, 0.05);
}

/* ===== HEADER ===== */
.site-header {
  background: rgba(7, 18, 42, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  border-bottom: 1px solid var(--outline-soft);
}

.navbar {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-4) var(--space-5);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-5);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 20px;
  font-weight: 700;
  color: var(--primary-dim);
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

.logo .material-symbols-outlined {
  font-size: 22px;
  color: var(--primary);
}

.nav-menu {
  display: flex;
  gap: var(--space-6);
  align-items: center;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--on-surface-var);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width var(--transition-fast);
}

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

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

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--on-surface);
}

.menu-toggle .material-symbols-outlined {
  font-size: 28px;
}

/* ===== HERO ===== */
.hero-section {
  position: relative;
  min-height: 700px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../img/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.12;
  filter: saturate(0.5) hue-rotate(180deg);
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(7, 18, 42, 0.97) 0%, rgba(7, 18, 42, 0.7) 60%, rgba(0, 212, 255, 0.05) 100%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-9) var(--space-5) var(--space-8);
  width: 100%;
}

.hero-content {
  max-width: 620px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(168, 232, 255, 0.08);
  border: 1px solid rgba(168, 232, 255, 0.2);
  margin-bottom: var(--space-5);
}

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

.badge span {
  font-size: 11px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-section h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--on-surface);
  margin-bottom: var(--space-5);
}

.hero-section p {
  font-size: 17px;
  line-height: 1.7;
  color: var(--on-surface-var);
  margin-bottom: var(--space-6);
  max-width: 500px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}

.hero-stats {
  display: flex;
  gap: var(--space-7);
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat strong {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary);
}

.stat span {
  font-size: 12px;
  color: var(--on-surface-var);
  letter-spacing: 0.03em;
}

/* ===== CARDS DE SERVIÇO ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-5);
}

.srv-card {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.srv-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(168, 232, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}

.srv-icon .material-symbols-outlined {
  color: var(--primary);
  font-size: 24px;
}

.srv-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--on-surface);
  letter-spacing: -0.01em;
}

.srv-card p {
  font-size: 14px;
  color: var(--on-surface-var);
  line-height: 1.65;
}

.srv-card.featured {
  background: rgba(0, 212, 255, 0.06);
  border-color: rgba(168, 232, 255, 0.25);
}

.srv-card.featured h3 {
  color: var(--primary);
}

.srv-card.featured .srv-icon {
  background: var(--primary);
  border-color: transparent;
  box-shadow: 0 0 20px rgba(168, 232, 255, 0.25);
}

.srv-card.featured .srv-icon .material-symbols-outlined {
  color: var(--on-primary);
}

/* ===== PORTFÓLIO (preview na home) ===== */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-5);
}

.portfolio-cta {
  text-align: center;
  margin-top: var(--space-6);
}

.loading-text {
  color: var(--on-surface-var);
  font-size: 14px;
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-6) 0;
}

/* ===== CTA FINAL ===== */
.cta-section {
  padding: var(--space-9) var(--space-5);
  max-width: 1200px;
  margin: 0 auto;
}

.cta-wrap {
  text-align: center;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl);
  padding: var(--space-8) var(--space-6);
}

.cta-wrap::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 212, 255, 0.04);
  pointer-events: none;
}

.cta-wrap h2 {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--on-surface);
  margin-bottom: var(--space-4);
  line-height: 1.2;
}

.cta-wrap p {
  color: var(--on-surface-var);
  font-size: 16px;
  line-height: 1.7;
  max-width: 520px;
  margin: 0 auto var(--space-7);
}

.cta-btns {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
}

/* ===== FOOTER ===== */
.site-footer {
  background: rgba(3, 13, 37, 0.9);
  border-top: 1px solid var(--outline-soft);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--space-6) var(--space-5);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
}

.footer-links {
  display: flex;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 12px;
  font-weight: 500;
  color: var(--on-surface-var);
  letter-spacing: 0.04em;
  transition: color var(--transition-fast);
}

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

.footer-copy {
  font-size: 11px;
  color: var(--on-surface-var);
  opacity: 0.55;
}

/* ===== WHATSAPP FLUTUANTE ===== */
.wab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: var(--z-fab);
  width: 54px;
  height: 54px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: transform var(--transition-fast);
}

.wab:hover {
  transform: scale(1.1);
}

.wab:active {
  transform: scale(0.93);
}

.wab svg {
  width: 30px;
  height: 30px;
  fill: white;
}

.site-header.is-scrolled {
  background: rgba(7, 18, 42, 0.97);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
}

.slider {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.slider-track {
  display: flex;
  transition: transform 0.5s var(--ease);
}

.slider-slide {
  flex: 0 0 100%;
  min-width: 100%;
}

.slider-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(7, 18, 42, 0.7);
  border: 1px solid var(--outline-soft);
  color: var(--on-surface);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  transition: background var(--transition-fast);
}

.slider-btn:hover {
  background: rgba(0, 212, 255, 0.15);
  color: var(--primary);
}

.slider-btn-prev { left: 16px; }
.slider-btn-next { right: 16px; }

.slider-dots {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 2;
}

.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  border: none;
  transition: all var(--transition-fast);
}

.slider-dot.is-active {
  background: var(--primary);
  width: 20px;
  border-radius: var(--radius-full);
}

.logo-img {
  height: 52px;
  width: auto;
  display: block;
}

.footer-logo .logo-img {
  height: 40px;
}

/* ---------- Efeito 3D na logo (hover) ---------- */
.logo,
.footer-logo {
  perspective: 600px;
}

.logo .logo-img,
.footer-logo .logo-img {
  transition: transform 0.6s ease;
  transform-style: preserve-3d;
  cursor: pointer;
}

.logo .logo-img:hover,
.footer-logo .logo-img:hover {
  transform: rotateY(360deg);
}