/* ============================================================
   NEOSITE PORTFOLIO — MAIN STYLESHEET
   Versão: 1.0.0
   Autor: NeoSite
   Descrição: Design system completo, estilos globais,
              componentes e layout de todas as seções.
   ============================================================ */

/* ============================================================
   1. IMPORTS & FONTS
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

/* ============================================================
   2. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ============================================================ */
:root {
  /* --- Cores Primárias --- */
  --color-bg:           #0a0a0a;
  --color-bg-secondary: #0f0f0f;
  --color-bg-card:      #111111;
  --color-bg-elevated:  #161616;
  --color-surface:      #1a1a1a;
  --color-surface-2:    #222222;

  /* --- Cores de Marca --- */
  --color-primary:      #00c4cc;   /* Ciano NeoSite */
  --color-primary-dark: #009fa5;
  --color-primary-light:#33d0d7;
  --color-secondary:    #2563eb;   /* Azul Royal */
  --color-secondary-light: #3b82f6;
  --color-accent:       #7c3aed;   /* Roxo */

  /* --- Gradientes --- */
  --gradient-primary:   linear-gradient(135deg, #00c4cc 0%, #2563eb 100%);
  --gradient-hero:      radial-gradient(ellipse at 20% 50%, rgba(0,196,204,0.15) 0%, transparent 50%),
                        radial-gradient(ellipse at 80% 20%, rgba(37,99,235,0.15) 0%, transparent 50%);
  --gradient-glow:      linear-gradient(135deg, rgba(0,196,204,0.2) 0%, rgba(37,99,235,0.2) 100%);
  --gradient-card:      linear-gradient(145deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.01) 100%);
  --gradient-text:      linear-gradient(135deg, #00c4cc 0%, #3b82f6 50%, #7c3aed 100%);

  /* --- Cores de Texto --- */
  --text-primary:   #ffffff;
  --text-secondary: #a1a1aa;
  --text-muted:     #71717a;
  --text-accent:    #00c4cc;

  /* --- Bordas --- */
  --border-color:        rgba(255,255,255,0.08);
  --border-color-hover:  rgba(0,196,204,0.4);
  --border-color-active: rgba(0,196,204,0.7);
  --border-radius-sm:    8px;
  --border-radius-md:    12px;
  --border-radius-lg:    16px;
  --border-radius-xl:    24px;
  --border-radius-2xl:   32px;

  /* --- Sombras / Glows --- */
  --shadow-sm:      0 2px 8px rgba(0,0,0,0.4);
  --shadow-md:      0 8px 24px rgba(0,0,0,0.5);
  --shadow-lg:      0 16px 48px rgba(0,0,0,0.6);
  --shadow-xl:      0 24px 64px rgba(0,0,0,0.7);
  --glow-primary:   0 0 20px rgba(0,196,204,0.3), 0 0 60px rgba(0,196,204,0.1);
  --glow-secondary: 0 0 20px rgba(37,99,235,0.3), 0 0 60px rgba(37,99,235,0.1);
  --glow-btn:       0 0 30px rgba(0,196,204,0.4), 0 4px 16px rgba(0,196,204,0.2);

  /* --- Glassmorphism --- */
  --glass-bg:      rgba(255,255,255,0.03);
  --glass-bg-2:    rgba(255,255,255,0.05);
  --glass-border:  rgba(255,255,255,0.08);
  --glass-blur:    blur(20px);
  --glass-blur-sm: blur(10px);

  /* --- Tipografia --- */
  --font-primary:   'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display:   'Space Grotesk', 'Inter', sans-serif;
  --font-size-xs:   0.75rem;
  --font-size-sm:   0.875rem;
  --font-size-base: 1rem;
  --font-size-lg:   1.125rem;
  --font-size-xl:   1.25rem;
  --font-size-2xl:  1.5rem;
  --font-size-3xl:  1.875rem;
  --font-size-4xl:  2.25rem;
  --font-size-5xl:  3rem;
  --font-size-6xl:  3.75rem;
  --font-size-7xl:  4.5rem;

  /* --- Espaçamentos --- */
  --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;
  --space-32: 8rem;

  /* --- Transições --- */
  --transition-fast:   150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base:   250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:   400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* --- Layout --- */
  --header-height: 72px;
  --max-width:     1280px;
  --content-width: 1140px;
}

/* ============================================================
   3. RESET & BASE STYLES
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

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

/* Scrollbar customizada */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--color-bg);
}
::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-light);
}

/* Seleção de texto */
::selection {
  background: rgba(0, 196, 204, 0.25);
  color: var(--text-primary);
}

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

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

ul, ol {
  list-style: none;
}

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

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

/* ============================================================
   4. UTILITY CLASSES
   ============================================================ */

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

/* Section padding */
.section-padding {
  padding: var(--space-32) 0;
}

/* Text gradient */
.text-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Tag / Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(0, 196, 204, 0.1);
  border: 1px solid rgba(0, 196, 204, 0.25);
  border-radius: 100px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  animation: pulse-dot 2s infinite;
}

/* Section header */
.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.section-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-4);
}

.section-header p {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
}

/* Divider */
.divider {
  width: 60px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 2px;
  margin: var(--space-6) auto 0;
}

/* Grid futurista de fundo */
.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,196,204,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,196,204,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

/* ============================================================
   5. BUTTONS
   ============================================================ */

/* Botão Primário */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: 14px 32px;
  background: var(--gradient-primary);
  color: var(--text-primary);
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--border-radius-md);
  border: 1px solid transparent;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-btn);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-primary:active {
  transform: translateY(0);
}

/* Botão Secundário (outline) */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: 13px 32px;
  background: transparent;
  color: var(--text-primary);
  font-size: var(--font-size-base);
  font-weight: 600;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  transition: all var(--transition-base);
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(0, 196, 204, 0.06);
  transform: translateY(-2px);
}

/* Botão WhatsApp */
.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: 14px 32px;
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: #ffffff;
  font-size: var(--font-size-base);
  font-weight: 700;
  border-radius: var(--border-radius-md);
  border: none;
  transition: all var(--transition-base);
  white-space: nowrap;
  letter-spacing: 0.01em;
}

.btn-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(37, 211, 102, 0.4), 0 4px 16px rgba(37, 211, 102, 0.2);
  color: #ffffff;
}

/* Botão Ghost */
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: 13px 28px;
  background: var(--glass-bg-2);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur-sm);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-ghost:hover {
  background: rgba(0, 196, 204, 0.08);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ============================================================
   6. HEADER & NAVIGATION
   ============================================================ */
#header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: all var(--transition-slow);
}

/* Estado padrão — transparente */
#header.transparent {
  background: transparent;
  border-bottom: 1px solid transparent;
}

/* Estado ao fazer scroll */
#header.scrolled {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.header-inner {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  text-decoration: none;
}

.logo img {
  height: 44px;
  width: auto;
  transition: transform var(--transition-base);
}

.logo:hover img {
  transform: scale(1.04);
}

/* Desktop nav */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  display: flex;
  align-items: center;
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 20px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
  transition: transform var(--transition-base);
}

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

.nav-link:hover::after,
.nav-link.active::after {
  transform: translateX(-50%) scaleX(1);
}

/* Nav actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.btn-nav-whatsapp {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 10px 20px;
  background: linear-gradient(135deg, #25d366, #128c7e);
  color: #fff;
  font-size: var(--font-size-sm);
  font-weight: 700;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn-nav-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(37, 211, 102, 0.35);
  color: #fff;
}

.btn-nav-whatsapp svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Menu hamburger toggle */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  background: var(--glass-bg-2);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  flex-shrink: 0;
}

.hamburger:hover {
  border-color: var(--color-primary);
  background: rgba(0, 196, 204, 0.08);
}

.hamburger-line {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}

/* Estado aberto do hamburger */
.hamburger.open .hamburger-line:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}
.hamburger.open .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.open .hamburger-line:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* ============================================================
   7. MOBILE MENU (FULLSCREEN)
   ============================================================ */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: flex;
  flex-direction: column;
  background: rgba(10, 10, 10, 0.97);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  transform: translateX(100%);
  transition: transform 0.5s cubic-bezier(0.77, 0, 0.175, 1);
  overflow: hidden;
}

.mobile-menu.open {
  transform: translateX(0);
}

/* Decoração do menu mobile */
.mobile-menu::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,196,204,0.12) 0%, transparent 70%);
  pointer-events: none;
}

.mobile-menu::after {
  content: '';
  position: absolute;
  bottom: -150px;
  left: -150px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37,99,235,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.mobile-menu-inner {
  display: flex;
  flex-direction: column;
  padding: calc(var(--header-height) + var(--space-8)) var(--space-8) var(--space-8);
  height: 100%;
  gap: var(--space-4);
  position: relative;
  z-index: 1;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex: 1;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: var(--border-radius-md);
  border: 1px solid transparent;
  transition: all var(--transition-base);
  transform: translateX(40px);
  opacity: 0;
}

.mobile-menu.open .mobile-nav-link {
  transform: translateX(0);
  opacity: 1;
}

/* Delay escalonado para os links */
.mobile-menu.open .mobile-nav-link:nth-child(1) { transition-delay: 0.1s; }
.mobile-menu.open .mobile-nav-link:nth-child(2) { transition-delay: 0.15s; }
.mobile-menu.open .mobile-nav-link:nth-child(3) { transition-delay: 0.2s; }
.mobile-menu.open .mobile-nav-link:nth-child(4) { transition-delay: 0.25s; }
.mobile-menu.open .mobile-nav-link:nth-child(5) { transition-delay: 0.3s; }

.mobile-nav-link:hover {
  color: var(--text-primary);
  background: var(--glass-bg-2);
  border-color: var(--border-color);
}

.mobile-nav-link .arrow {
  opacity: 0;
  transform: translateX(-8px);
  transition: all var(--transition-base);
  color: var(--color-primary);
}

.mobile-nav-link:hover .arrow {
  opacity: 1;
  transform: translateX(0);
}

.mobile-menu-cta {
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-color);
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.4s ease 0.4s;
}

.mobile-menu.open .mobile-menu-cta {
  transform: translateY(0);
  opacity: 1;
}

.mobile-menu-cta .btn-whatsapp {
  width: 100%;
  padding: 16px;
  font-size: var(--font-size-base);
  border-radius: var(--border-radius-lg);
}

/* ============================================================
   8. HERO SECTION
   ============================================================ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--header-height);
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-gradient {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  opacity: 0.6;
}

.hero-orb-1 {
  top: 10%;
  left: 5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0,196,204,0.2) 0%, transparent 70%);
  animation: float-orb 8s ease-in-out infinite;
}

.hero-orb-2 {
  top: 0;
  right: 10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37,99,235,0.15) 0%, transparent 70%);
  animation: float-orb 10s ease-in-out infinite reverse;
}

.hero-orb-3 {
  bottom: 10%;
  left: 40%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(124,58,237,0.12) 0%, transparent 70%);
  animation: float-orb 12s ease-in-out infinite;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: var(--space-20) 0;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.hero-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.hero-badge {
  align-self: flex-start;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5.5vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero-title .line-highlight {
  display: block;
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(var(--font-size-base), 2vw, var(--font-size-lg));
  color: var(--text-secondary);
  max-width: 480px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--border-color);
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.stat-number {
  font-family: var(--font-display);
  font-size: var(--font-size-2xl);
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Hero visual / mockup */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-mockup-wrapper {
  position: relative;
  width: 100%;
  max-width: 580px;
}

.hero-mockup-frame {
  position: relative;
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  border: 1px solid rgba(0,196,204,0.2);
  box-shadow: 0 0 60px rgba(0,196,204,0.15), 0 0 120px rgba(37,99,235,0.08), var(--shadow-xl);
  background: var(--color-bg-card);
}

.hero-mockup-frame img {
  width: 100%;
  height: auto;
  display: block;
}

/* Cards flutuantes sobre o mockup */
.floating-card {
  position: absolute;
  background: rgba(17, 17, 17, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-md);
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  box-shadow: var(--shadow-lg);
  animation: float-card 4s ease-in-out infinite;
}

.floating-card-1 {
  top: -20px;
  left: -40px;
  animation-delay: 0s;
}

.floating-card-2 {
  bottom: 30px;
  right: -30px;
  animation-delay: 1.5s;
}

.floating-card-3 {
  top: 50%;
  left: -50px;
  transform: translateY(-50%);
  animation-delay: 0.8s;
}

.fc-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 18px;
}

.fc-icon.green  { background: rgba(37, 211, 102, 0.15); }
.fc-icon.blue   { background: rgba(37, 99, 235, 0.15); }
.fc-icon.cyan   { background: rgba(0, 196, 204, 0.15); }

.fc-text {
  display: flex;
  flex-direction: column;
}

.fc-title {
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
}

.fc-sub {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ============================================================
   9. SERVICES SECTION
   ============================================================ */
#services {
  position: relative;
  overflow: hidden;
  background: var(--color-bg-secondary);
}

#services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-primary);
  opacity: 0.3;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

/* Card de serviço */
.service-card {
  position: relative;
  padding: var(--space-8);
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  transition: all var(--transition-slow);
  cursor: default;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-glow);
  opacity: 0;
  transition: opacity var(--transition-slow);
  border-radius: inherit;
}

.service-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition-slow);
  transform-origin: left;
}

.service-card:hover {
  border-color: var(--border-color-hover);
  transform: translateY(-6px);
  box-shadow: var(--glow-primary), var(--shadow-xl);
}

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

.service-card:hover::after {
  transform: scaleX(1);
}

.service-card-content {
  position: relative;
  z-index: 1;
}

.service-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 196, 204, 0.1);
  border: 1px solid rgba(0, 196, 204, 0.2);
  margin-bottom: var(--space-6);
  transition: all var(--transition-base);
  color: var(--color-primary);
}

.service-card:hover .service-icon {
  background: rgba(0, 196, 204, 0.18);
  box-shadow: var(--glow-primary);
  transform: scale(1.1);
}

.service-icon svg {
  width: 28px;
  height: 28px;
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
  transition: color var(--transition-base);
}

.service-card:hover h3 {
  color: var(--color-primary);
}

.service-card p {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.service-tag {
  padding: 4px 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.service-card:hover .service-tag {
  border-color: rgba(0,196,204,0.2);
  color: var(--text-secondary);
}

/* ============================================================
   10. PORTFOLIO / SHOWCASE SECTION
   ============================================================ */
#portfolio {
  position: relative;
  overflow: hidden;
}

/* Filtros */
.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-12);
  flex-wrap: wrap;
}

.filter-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 10px 22px;
  background: var(--glass-bg);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-base);
  cursor: pointer;
}

.filter-btn:hover {
  border-color: rgba(0,196,204,0.3);
  color: var(--text-primary);
  background: rgba(0,196,204,0.05);
}

.filter-btn.active {
  background: var(--gradient-primary);
  border-color: transparent;
  color: var(--text-primary);
  box-shadow: var(--glow-primary);
}

/* Grid do portfólio */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

/* Card do portfólio */
.portfolio-card {
  position: relative;
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: var(--color-bg-card);
  transition: all var(--transition-slow);
  cursor: pointer;
}

.portfolio-card.hidden {
  display: none;
}

.portfolio-card:hover {
  border-color: var(--border-color-hover);
  transform: translateY(-6px);
  box-shadow: var(--glow-primary), var(--shadow-xl);
}

.portfolio-img-wrap {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--color-surface);
}

.portfolio-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-card:hover .portfolio-img-wrap img {
  transform: scale(1.08);
}

/* Overlay do card ao hover */
.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 30%, rgba(0,0,0,0.9) 100%);
  display: flex;
  align-items: flex-end;
  padding: var(--space-5);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.portfolio-card:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-overlay .btn-ghost {
  font-size: var(--font-size-xs);
  padding: 10px 20px;
}

/* Informações do card */
.portfolio-info {
  padding: var(--space-5) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.portfolio-category {
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.portfolio-title {
  font-family: var(--font-display);
  font-size: var(--font-size-lg);
  font-weight: 700;
}

.portfolio-desc {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

.portfolio-techs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.tech-tag {
  padding: 4px 10px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
}

/* ============================================================
   11. ABOUT SECTION
   ============================================================ */
#about {
  position: relative;
  background: var(--color-bg-secondary);
  overflow: hidden;
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-20);
  align-items: center;
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.about-content h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
}

.about-content > p {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: 1.8;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-base);
}

.about-feature:hover {
  border-color: rgba(0,196,204,0.25);
  background: rgba(0,196,204,0.04);
}

.about-feature-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 196, 204, 0.12);
  color: var(--color-primary);
  flex-shrink: 0;
}

.about-feature-icon svg {
  width: 20px;
  height: 20px;
}

.about-feature-text h4 {
  font-size: var(--font-size-base);
  font-weight: 700;
  margin-bottom: var(--space-1);
}

.about-feature-text p {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Stats visuais */
.about-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.about-stat-card {
  position: relative;
  padding: var(--space-6);
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-xl);
  text-align: center;
  overflow: hidden;
  transition: all var(--transition-base);
}

.about-stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition-slow);
}

.about-stat-card:hover {
  border-color: var(--border-color-hover);
  transform: translateY(-4px);
  box-shadow: var(--glow-primary);
}

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

.stat-big-number {
  font-family: var(--font-display);
  font-size: var(--font-size-4xl);
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-big-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

/* ============================================================
   12. BENEFITS SECTION
   ============================================================ */
#benefits {
  position: relative;
  overflow: hidden;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
}

.benefit-card {
  padding: var(--space-6);
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-xl);
  text-align: center;
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.benefit-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 40px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 1px;
  transition: transform var(--transition-slow);
}

.benefit-card:hover {
  border-color: rgba(0,196,204,0.25);
  transform: translateY(-4px);
  box-shadow: var(--glow-primary);
}

.benefit-card:hover::after {
  transform: translateX(-50%) scaleX(1);
}

.benefit-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 196, 204, 0.1);
  border: 1px solid rgba(0, 196, 204, 0.15);
  margin: 0 auto var(--space-4);
  color: var(--color-primary);
  transition: all var(--transition-base);
}

.benefit-card:hover .benefit-icon {
  transform: scale(1.1);
  box-shadow: var(--glow-primary);
}

.benefit-icon svg {
  width: 24px;
  height: 24px;
}

.benefit-card h3 {
  font-size: var(--font-size-base);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.benefit-card p {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ============================================================
   13. CONTACT / FORM SECTION
   ============================================================ */
#contact {
  position: relative;
  background: var(--color-bg-secondary);
  overflow: hidden;
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-20);
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  padding-top: var(--space-4);
}

.contact-info h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
}

.contact-info > p {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: 1.7;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-base);
}

.contact-item:hover {
  border-color: rgba(0,196,204,0.3);
  background: rgba(0,196,204,0.04);
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 196, 204, 0.12);
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-item-icon svg {
  width: 20px;
  height: 20px;
}

.contact-item-text span {
  display: block;
}

.contact-item-text .label {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

.contact-item-text .value {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--text-primary);
}

/* Formulário */
.contact-form-wrapper {
  background: var(--gradient-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-2xl);
  padding: var(--space-10);
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
}

.contact-form-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-secondary);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  font-family: inherit;
  transition: all var(--transition-base);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--color-primary);
  background: rgba(0, 196, 204, 0.04);
  box-shadow: 0 0 0 3px rgba(0, 196, 204, 0.12);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%2371717a' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 16px;
  padding-right: 40px;
  cursor: pointer;
}

.form-select option {
  background: var(--color-bg-card);
  color: var(--text-primary);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.btn-submit {
  width: 100%;
  padding: 16px;
  background: var(--gradient-primary);
  color: #fff;
  font-size: var(--font-size-base);
  font-weight: 700;
  border-radius: var(--border-radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  letter-spacing: 0.02em;
  margin-top: var(--space-3);
}

.btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: var(--glow-btn);
}

.btn-submit:active {
  transform: translateY(0);
}

/* ============================================================
   14. CTA FINAL SECTION
   ============================================================ */
#cta-final {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: var(--space-32) 0;
}

.cta-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(0,196,204,0.15) 0%, transparent 60%),
    radial-gradient(ellipse at 50% 100%, rgba(37,99,235,0.1) 0%, transparent 60%);
  pointer-events: none;
}

.cta-inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-8);
}

.cta-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.cta-inner p {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  max-width: 480px;
  line-height: 1.7;
}

.cta-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.cta-guarantee {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

.cta-guarantee svg {
  width: 16px;
  height: 16px;
  color: var(--color-primary);
  flex-shrink: 0;
}

/* ============================================================
   15. FOOTER
   ============================================================ */
#footer {
  position: relative;
  border-top: 1px solid var(--border-color);
  background: var(--color-bg-secondary);
  padding: var(--space-16) 0 var(--space-8);
  overflow: hidden;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

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

.footer-brand > p {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 320px;
}

.footer-location {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.footer-location svg {
  width: 16px;
  height: 16px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.footer-whatsapp-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 12px 20px;
  background: rgba(37, 211, 102, 0.1);
  border: 1px solid rgba(37, 211, 102, 0.25);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: #25d366;
  transition: all var(--transition-base);
  width: fit-content;
}

.footer-whatsapp-link:hover {
  background: rgba(37, 211, 102, 0.15);
  border-color: rgba(37, 211, 102, 0.4);
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(37, 211, 102, 0.2);
  color: #25d366;
}

.footer-whatsapp-link svg {
  width: 18px;
  height: 18px;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-size: var(--font-size-base);
  font-weight: 700;
  margin-bottom: var(--space-5);
  color: var(--text-primary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-links a::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-primary);
  opacity: 0;
  transition: opacity var(--transition-fast);
  flex-shrink: 0;
}

.footer-links a:hover {
  color: var(--text-primary);
  padding-left: var(--space-2);
}

.footer-links a:hover::before {
  opacity: 1;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer-copyright {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.footer-copyright a {
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

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

.footer-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}

.footer-badge span {
  color: var(--color-primary);
}

/* ============================================================
   16. FLOATING WHATSAPP BUTTON
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 900;
}

.whatsapp-float-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25d366, #128c7e);
  box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4);
  animation: whatsapp-pulse 2.5s ease infinite;
  transition: all var(--transition-base);
  text-decoration: none;
}

.whatsapp-float-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 0 40px rgba(37, 211, 102, 0.5);
  animation-play-state: paused;
}

.whatsapp-float-btn svg {
  width: 28px;
  height: 28px;
  color: #fff;
  flex-shrink: 0;
}

/* Tooltip do botão WhatsApp */
.whatsapp-tooltip {
  position: absolute;
  right: calc(100% + 16px);
  top: 50%;
  transform: translateY(-50%);
  background: rgba(17, 17, 17, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-md);
  padding: var(--space-3) var(--space-4);
  white-space: nowrap;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-primary);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
  box-shadow: var(--shadow-lg);
}

.whatsapp-tooltip::after {
  content: '';
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-left-color: rgba(17, 17, 17, 0.95);
}

.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
}

/* ============================================================
   17. PROGRESS BAR NO TOPO DA PÁGINA
   ============================================================ */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: var(--gradient-primary);
  z-index: 1001;
  width: 0%;
  transition: width 0.1s linear;
  box-shadow: 0 0 8px rgba(0, 196, 204, 0.6);
}

/* ============================================================
   18. BACK TO TOP BUTTON
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 100px;
  right: 28px;
  z-index: 900;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--glass-bg-2);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: all var(--transition-base);
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.back-to-top:hover {
  background: rgba(0, 196, 204, 0.12);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.back-to-top svg {
  width: 18px;
  height: 18px;
}

/* ============================================================
   19. LOADING / PRELOADER
   ============================================================ */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader-logo {
  height: 56px;
  width: auto;
  animation: preloader-pulse 1.5s ease-in-out infinite;
}

.preloader-bar-wrap {
  width: 200px;
  height: 2px;
  background: rgba(255,255,255,0.08);
  border-radius: 1px;
  overflow: hidden;
}

.preloader-bar {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 1px;
  width: 0%;
  transition: width 0.3s ease;
}

/* ============================================================
   20. RESPONSIVIDADE
   ============================================================ */

/* --- Tablet: 1024px --- */
@media (max-width: 1024px) {
  :root {
    --space-32: 6rem;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .footer-grid .footer-brand {
    grid-column: 1 / -1;
  }

  .about-inner {
    gap: var(--space-12);
  }

  .contact-inner {
    gap: var(--space-12);
  }
}

/* --- Tablet small: 768px --- */
@media (max-width: 768px) {
  :root {
    --space-32: 5rem;
    --header-height: 64px;
  }

  /* Nav desktop oculto */
  .nav-desktop,
  .nav-actions {
    display: none;
  }

  /* Hamburger visível */
  .hamburger {
    display: flex;
  }

  /* Hero em coluna */
  .hero-inner {
    grid-template-columns: 1fr;
    gap: var(--space-12);
    text-align: center;
  }

  .hero-text {
    align-items: center;
  }

  .hero-subtitle {
    max-width: 100%;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    order: -1;
  }

  .floating-card-1,
  .floating-card-2,
  .floating-card-3 {
    display: none;
  }

  /* About em coluna */
  .about-inner {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  /* Contact em coluna */
  .contact-inner {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  /* CTA actions */
  .cta-actions {
    flex-direction: column;
    align-items: center;
  }

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

  /* Form row */
  .form-row {
    grid-template-columns: 1fr;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* --- Mobile: 480px --- */
@media (max-width: 480px) {
  :root {
    --space-32: 4rem;
  }

  .container {
    padding: 0 var(--space-4);
  }

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

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

  .about-stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn-primary,
  .hero-actions .btn-secondary {
    width: 100%;
    justify-content: center;
  }

  .contact-form-wrapper {
    padding: var(--space-6);
  }

  .whatsapp-float {
    bottom: 20px;
    right: 20px;
  }

  .back-to-top {
    bottom: 90px;
    right: 20px;
  }

  .portfolio-filters {
    gap: var(--space-2);
  }

  .filter-btn {
    padding: 8px 16px;
    font-size: var(--font-size-xs);
  }
}

/* ============================================================
   21. EXTRA POLISH — Detalhes que fazem a diferença
   ============================================================ */

/* Garante que as imagens do portfólio (geradas por IA) cubram bem o card */
.portfolio-img-wrap img {
  object-fit: cover;
  object-position: center top;
}

/* Separador entre seções com linha gradiente */
#services::after,
#benefits::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border-color), transparent);
  pointer-events: none;
}

#services,
#benefits {
  position: relative;
}

/* Noise texture sutil para dar profundidade ao fundo — apenas visual, sem interferência */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.02;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 200px 200px;
}

/* Shimmer animado no background do CTA final */
#cta-final {
  background: linear-gradient(
    270deg,
    rgba(0,196,204,0.04),
    rgba(37,99,235,0.04),
    rgba(124,58,237,0.03),
    rgba(0,196,204,0.04)
  );
  background-size: 400% 400%;
  animation: gradient-shift 12s ease infinite;
}

/* Logo fallback — caso a imagem não carregue, mostra texto estilizado */
.logo img[src=""],
.logo img:not([src]) {
  display: none;
}

.footer-logo img[src=""],
.footer-logo img:not([src]) {
  display: none;
}

/* Destaque no card de serviço — variante de cor para o 4º card (SaaS) */
.service-card:nth-child(4) .service-icon {
  background: rgba(124, 58, 237, 0.1);
  border-color: rgba(124, 58, 237, 0.2);
  color: #7c3aed;
}

.service-card:nth-child(4):hover {
  border-color: rgba(124, 58, 237, 0.4);
  box-shadow: 0 0 20px rgba(124,58,237,0.2), 0 0 60px rgba(124,58,237,0.08), var(--shadow-xl);
}

.service-card:nth-child(4)::after {
  background: linear-gradient(135deg, #7c3aed, #2563eb);
}

/* Destaque no card de serviço — variante de cor para o 5º card (Automação) */
.service-card:nth-child(5) .service-icon {
  background: rgba(37, 99, 235, 0.1);
  border-color: rgba(37, 99, 235, 0.2);
  color: var(--color-secondary);
}

.service-card:nth-child(5):hover {
  border-color: rgba(37, 99, 235, 0.4);
  box-shadow: var(--glow-secondary), var(--shadow-xl);
}

/* Melhoria no hero mockup — borda com gradiente real */
.hero-mockup-frame::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(
    135deg,
    rgba(0,196,204,0.4) 0%,
    rgba(37,99,235,0.3) 50%,
    rgba(0,196,204,0.1) 100%
  );
  z-index: -1;
  pointer-events: none;
}

/* Overlay sutil sobre o mockup para dar aspecto de tela */
.hero-mockup-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    transparent 70%,
    rgba(10,10,10,0.3) 100%
  );
  pointer-events: none;
  border-radius: inherit;
}

/* Melhoria: imagens do portfólio com altura fixa e corte elegante */
.portfolio-img-wrap {
  background: var(--color-surface);
}

/* Line clamp para descrições longas no portfólio */
.portfolio-desc {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Focus visible — acessibilidade para teclado */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Print styles básicos */
@media print {
  .whatsapp-float,
  .back-to-top,
  .preloader,
  .mobile-menu,
  .hamburger,
  #header,
  .scroll-progress {
    display: none !important;
  }
  body {
    background: white;
    color: black;
  }
}