/* ============================================================
   RDS Tech Soluções — Production CSS
   Premium tech company website stylesheet
   ============================================================ */

/* ── Google Fonts ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Montserrat:wght@600;700;800&display=swap');

/* ── Design Tokens ────────────────────────────────────────── */
:root {
  --azul-marinho: #0A192F;
  --azul-deep: #060D1A;
  --azul-royal: #0056B3;
  --ciano: #00D4FF;
  --ciano-glow: rgba(0, 212, 255, 0.15);
  --branco: #F8F9FA;
  --cinza-bg: #F0F2F5;
  --cinza-card: #1A2A42;
  --texto-claro: #94A3B8;
  --texto-escuro: #1E293B;
  --gradient-primary: linear-gradient(135deg, #00D4FF, #0056B3);
  --gradient-hero: linear-gradient(135deg, #0A192F 0%, #0D2240 50%, #0A192F 100%);
  --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.08);
  --shadow-card-hover: 0 20px 60px rgba(0, 0, 0, 0.15);
  --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.3);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
   1. GLOBAL RESET & BASE
   ============================================================ */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  overflow-x: hidden;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--branco);
  color: var(--texto-escuro);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Montserrat', sans-serif;
  line-height: 1.2;
}

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

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

ul, ol {
  list-style: none;
}

button {
  font-family: 'Inter', sans-serif;
  cursor: pointer;
}

/* ── Section Shared Typography ────────────────────────────── */

.section-label {
  display: block;
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ciano);
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  font-family: 'Montserrat', sans-serif;
  color: var(--texto-escuro);
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-subtitle {
  color: var(--texto-claro);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ============================================================
   2. HEADER
   ============================================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 5%;
  transition: background 0.4s ease, box-shadow 0.4s ease;
}

.header--scrolled {
  background: rgba(10, 25, 47, 0.95);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
}

.header__logo {
  width: 120px;
  height: 60px;
  object-fit: contain;
}

.header__nav {
  display: flex;
  gap: 32px;
  align-items: center;
}

.header__nav a {
  color: white;
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-decoration: none;
  position: relative;
  transition: color 0.3s ease;
}

.header__nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--ciano);
  transition: width 0.3s ease;
}

.header__nav a:hover,
.header__nav a.active {
  color: var(--ciano);
}

.header__nav a:hover::after,
.header__nav a.active::after {
  width: 100%;
}

.header__cta {
  background: var(--gradient-primary);
  color: white;
  padding: 10px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: none;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  letter-spacing: 0;
}

.header__cta::after {
  display: none;
}

.header__cta:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-glow);
  color: white;
}

/* ── Hamburger ────────────────────────────────────────────── */

.header__hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
  z-index: 1001;
}

.header__hamburger span {
  display: block;
  width: 28px;
  height: 3px;
  background: white;
  border-radius: 2px;
  transition: var(--transition-smooth);
  transform-origin: center;
}

.header__hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

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

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

/* ── Mobile Nav ───────────────────────────────────────────── */

.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100vh;
  background: var(--azul-marinho);
  z-index: 999;
  transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  padding-top: 80px;
  overflow-y: auto;
}

.mobile-nav.active {
  right: 0;
}

.mobile-nav a {
  display: block;
  padding: 20px 30px;
  color: white;
  font-size: 1.1rem;
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: color 0.3s ease, padding-left 0.3s ease;
}

.mobile-nav a:hover {
  color: var(--ciano);
  padding-left: 40px;
}

.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.mobile-nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ============================================================
   3. HERO
   ============================================================ */

.hero {
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

/* ── Particles ────────────────────────────────────────────── */

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

.hero__particle {
  position: absolute;
  background: rgba(0, 212, 255, 0.15);
  border-radius: 50%;
  animation: float-particle infinite linear;
}

.hero__particle:nth-child(1) {
  width: 6px;
  height: 6px;
  left: 10%;
  animation-duration: 18s;
  animation-delay: 0s;
}

.hero__particle:nth-child(2) {
  width: 4px;
  height: 4px;
  left: 25%;
  animation-duration: 22s;
  animation-delay: 2s;
}

.hero__particle:nth-child(3) {
  width: 8px;
  height: 8px;
  left: 40%;
  animation-duration: 16s;
  animation-delay: 4s;
}

.hero__particle:nth-child(4) {
  width: 3px;
  height: 3px;
  left: 55%;
  animation-duration: 24s;
  animation-delay: 1s;
}

.hero__particle:nth-child(5) {
  width: 5px;
  height: 5px;
  left: 70%;
  animation-duration: 20s;
  animation-delay: 3s;
}

.hero__particle:nth-child(6) {
  width: 7px;
  height: 7px;
  left: 85%;
  animation-duration: 19s;
  animation-delay: 5s;
}

.hero__particle:nth-child(7) {
  width: 4px;
  height: 4px;
  left: 5%;
  animation-duration: 23s;
  animation-delay: 6s;
}

.hero__particle:nth-child(8) {
  width: 6px;
  height: 6px;
  left: 50%;
  animation-duration: 17s;
  animation-delay: 7s;
}

.hero__particle:nth-child(9) {
  width: 3px;
  height: 3px;
  left: 90%;
  animation-duration: 21s;
  animation-delay: 0.5s;
}

.hero__particle:nth-child(10) {
  width: 5px;
  height: 5px;
  left: 35%;
  animation-duration: 25s;
  animation-delay: 8s;
}

.hero__particle:nth-child(11) {
  width: 4px;
  height: 4px;
  left: 15%;
  animation-duration: 20s;
  animation-delay: 3.5s;
}

.hero__particle:nth-child(12) {
  width: 6px;
  height: 6px;
  left: 60%;
  animation-duration: 26s;
  animation-delay: 1.5s;
}

.hero__particle:nth-child(13) {
  width: 3px;
  height: 3px;
  left: 78%;
  animation-duration: 19s;
  animation-delay: 9s;
}

.hero__particle:nth-child(14) {
  width: 7px;
  height: 7px;
  left: 45%;
  animation-duration: 15s;
  animation-delay: 4.5s;
}

.hero__particle:nth-child(15) {
  width: 5px;
  height: 5px;
  left: 20%;
  animation-duration: 22s;
  animation-delay: 6.5s;
}

/* ── Hero Content ─────────────────────────────────────────── */

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding: 0 5%;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 50px;
  padding: 8px 24px;
  margin-bottom: 32px;
  color: var(--ciano);
  font-size: 0.85rem;
  font-weight: 500;
}

.hero__badge .dot {
  width: 8px;
  height: 8px;
  background: var(--ciano);
  border-radius: 50%;
  animation: pulse 2s infinite;
  flex-shrink: 0;
}

.hero__tagline {
  font-size: 0.9rem;
  color: var(--ciano);
  text-transform: uppercase;
  letter-spacing: 3px;
  font-weight: 500;
  margin-bottom: 20px;
  opacity: 0.9;
}

.hero__title {
  font-size: 2.8rem;
  font-weight: 800;
  color: white;
  line-height: 1.2;
  margin-bottom: 36px;
  font-family: 'Montserrat', sans-serif;
  max-width: 750px;
  margin-left: auto;
  margin-right: auto;
}

.hero__title span {
  color: var(--ciano);
}

.hero__actions {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Buttons ──────────────────────────────────────────────── */

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  padding: 16px 40px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
  font-family: 'Inter', sans-serif;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow);
}

.btn-secondary {
  background: transparent;
  color: white;
  padding: 16px 40px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: var(--transition-smooth);
  font-family: 'Inter', sans-serif;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-secondary:hover {
  border-color: var(--ciano);
  color: var(--ciano);
  background: rgba(0, 212, 255, 0.05);
}

/* ── Scroll Indicator ─────────────────────────────────────── */

.hero__scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.75rem;
  animation: bounce 2s infinite;
  text-decoration: none;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.hero__scroll-indicator .mouse {
  width: 24px;
  height: 38px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  position: relative;
}

.hero__scroll-indicator .mouse::after {
  content: '';
  width: 4px;
  height: 8px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 2px;
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  animation: scroll-mouse 2s infinite;
}

/* ============================================================
   4. SOCIAL PROOF / NUMBERS
   ============================================================ */

.numeros {
  background: white;
  padding: 80px 5%;
}

.numeros__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  max-width: 1100px;
  margin: 0 auto;
}

.numero-item {
  text-align: center;
  padding: 30px;
}

.numero-item__valor {
  font-size: 3rem;
  font-weight: 800;
  font-family: 'Montserrat', sans-serif;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

.numero-item__label {
  font-size: 0.95rem;
  color: var(--texto-claro);
  margin-top: 8px;
}

/* ============================================================
   5. SOBRE
   ============================================================ */

.sobre {
  padding: 120px 5%;
  background: white;
}

.sobre__container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.sobre__content {
  /* text side */
}

.sobre__content p {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #64748B;
  margin-bottom: 20px;
}

.sobre__valores {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.valor-item {
  text-align: center;
  padding: 24px 16px;
}

.valor-item__icon {
  width: 48px;
  height: 48px;
  background: var(--ciano-glow);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  color: var(--ciano);
  font-size: 1.5rem;
}

.valor-item__title {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--texto-escuro);
}

/* ── Visual Side ──────────────────────────────────────────── */

.sobre__visual {
  position: relative;
}

.sobre__image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.sobre__image-wrapper img {
  width: 100%;
  height: auto;
  display: block;
}

.sobre__image-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 2px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--radius-lg);
  pointer-events: none;
}

.sobre__float-card {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: white;
  padding: 20px 28px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 2;
}

.sobre__float-card .icon {
  background: var(--gradient-primary);
  color: white;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sobre__float-card .text {
  font-size: 0.9rem;
}

.sobre__float-card .text strong {
  display: block;
  font-weight: 700;
  color: var(--texto-escuro);
}

.sobre__float-card .text span {
  color: var(--texto-claro);
  font-size: 0.85rem;
}

/* ============================================================
   6. SERVIÇOS
   ============================================================ */

.servicos {
  padding: 120px 5%;
  background: var(--cinza-bg);
}

.servicos__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  max-width: 1200px;
  margin: 40px auto 0;
}

.servico-card {
  background: white;
  border-radius: var(--radius-md);
  padding: 40px 30px;
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
  border: 1px solid transparent;
  cursor: default;
}

.servico-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.servico-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(0, 212, 255, 0.1);
}

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

.servico-card__icon {
  width: 64px;
  height: 64px;
  background: var(--ciano-glow);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.8rem;
  color: var(--ciano);
  transition: var(--transition-smooth);
}

.servico-card:hover .servico-card__icon {
  background: var(--gradient-primary);
  color: white;
}

.servico-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--texto-escuro);
}

.servico-card__desc {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--texto-claro);
}

.servico-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  color: var(--azul-royal);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: var(--transition-smooth);
}

.servico-card__link:hover {
  color: var(--ciano);
  gap: 10px;
}

/* ============================================================
   7. IA SECTION
   ============================================================ */

.ia {
  background: var(--azul-marinho);
  padding: 120px 5%;
  position: relative;
  overflow: hidden;
}

.ia::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 39px,
      rgba(0, 212, 255, 0.03) 39px,
      rgba(0, 212, 255, 0.03) 40px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 39px,
      rgba(0, 212, 255, 0.03) 39px,
      rgba(0, 212, 255, 0.03) 40px
    );
  pointer-events: none;
}

.ia__container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.ia__content {
  /* text side */
}

.ia .section-label {
  color: var(--ciano);
}

.ia .section-title {
  color: white;
}

.ia__content p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.05rem;
  line-height: 1.8;
}

.ia__features {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.ia-feature {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: var(--transition-smooth);
}

.ia-feature:hover {
  background: rgba(0, 212, 255, 0.05);
  border-color: rgba(0, 212, 255, 0.15);
}

.ia-feature__icon {
  width: 44px;
  height: 44px;
  background: var(--gradient-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
  font-size: 1.2rem;
}

.ia-feature__text h4 {
  color: white;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.ia-feature__text p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
  margin: 0;
  line-height: 1.6;
}

/* ── IA Visual — Orb ──────────────────────────────────────── */

.ia__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.ia__orb {
  width: 400px;
  height: 400px;
  position: relative;
}

.ia__orb-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0, 212, 255, 0.15);
  animation: orbit infinite linear;
}

.ia__orb-ring:nth-child(1) {
  inset: 0;
  animation-duration: 12s;
}

.ia__orb-ring:nth-child(2) {
  inset: 40px;
  animation-duration: 8s;
  animation-direction: reverse;
  border-color: rgba(0, 212, 255, 0.1);
}

.ia__orb-ring:nth-child(3) {
  inset: 80px;
  animation-duration: 15s;
  border-color: rgba(0, 212, 255, 0.2);
}

/* Ring orbital dots */
.ia__orb-ring::before {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  background: var(--ciano);
  border-radius: 50%;
  top: -4px;
  left: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 12px rgba(0, 212, 255, 0.6);
}

.ia__orb-ring:nth-child(2)::before {
  width: 6px;
  height: 6px;
  top: auto;
  bottom: -3px;
}

.ia__orb-ring:nth-child(3)::before {
  width: 10px;
  height: 10px;
  top: 50%;
  left: -5px;
  transform: translateY(-50%);
}

.ia__orb-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120px;
  height: 120px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  box-shadow: var(--shadow-glow);
  animation: pulse-glow 3s infinite;
  color: white;
}

/* ============================================================
   8. PRODUTO
   ============================================================ */

.produto {
  padding: 120px 5%;
  background: white;
}

.produto__container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
  align-items: center;
}

.produto__content {
  /* text side */
}

.produto__features {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.produto__feature {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.produto__feature .check {
  color: var(--ciano);
  font-weight: bold;
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  background: var(--ciano-glow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  margin-top: 2px;
}

.produto__feature p {
  font-size: 0.95rem;
  color: var(--texto-claro);
  line-height: 1.6;
  margin: 0;
}

.produto__feature p strong {
  color: var(--texto-escuro);
}

/* ── Product Preview Card ─────────────────────────────────── */

.produto__preview {
  background: var(--azul-marinho);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  text-align: center;
  border: 1px solid rgba(0, 212, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.produto__preview::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.produto__preview-logo {
  font-size: 2rem;
  font-weight: 700;
  color: white;
  margin-bottom: 8px;
  font-family: 'Montserrat', sans-serif;
  position: relative;
}

.produto__preview-logo span {
  color: var(--ciano);
  font-weight: 300;
}

.produto__preview-tagline {
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 32px;
  font-size: 0.95rem;
}

.produto__preview .btn-primary {
  display: inline-flex;
}

/* ============================================================
   9. DEPOIMENTOS
   ============================================================ */

.depoimentos {
  padding: 120px 5%;
  background: var(--cinza-bg);
}

.depoimentos__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1200px;
  margin: 40px auto 0;
}

.depoimento-card {
  background: white;
  border-radius: var(--radius-md);
  padding: 40px 32px;
  position: relative;
  transition: var(--transition-smooth);
}

.depoimento-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card-hover);
}

.depoimento-card__quote {
  font-size: 3rem;
  color: var(--ciano);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 16px;
  font-family: Georgia, serif;
}

.depoimento-card__text {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--texto-claro);
  font-style: italic;
  margin-bottom: 24px;
}

.depoimento-card__author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.depoimento-card__avatar {
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.depoimento-card__info h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--texto-escuro);
  margin: 0;
}

.depoimento-card__info p {
  font-size: 0.8rem;
  color: var(--texto-claro);
  margin: 0;
}

/* ============================================================
   10. FAQ
   ============================================================ */

.faq {
  padding: 120px 5%;
  background: white;
}

.faq__container {
  max-width: 1200px;
  margin: 40px auto 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 60px;
  align-items: start;
}

.faq-item {
  border-bottom: 1px solid #E2E8F0;
  overflow: hidden;
}

.faq-item__question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  cursor: pointer;
  width: 100%;
  background: none;
  border: none;
  font-family: 'Inter', sans-serif;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--texto-escuro);
  transition: color 0.3s ease;
  text-align: left;
  gap: 16px;
}

.faq-item__question:hover {
  color: var(--azul-royal);
}

.faq-item__icon {
  transition: transform 0.3s ease;
  color: var(--ciano);
  font-size: 1.5rem;
  flex-shrink: 0;
  line-height: 1;
}

.faq-item.faq-item--open .faq-item__icon {
  transform: rotate(45deg);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-item.faq-item--open .faq-item__answer {
  max-height: 300px;
}

.faq-item__answer p {
  padding: 0 0 24px;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--texto-claro);
}

/* ============================================================
   11. CONTATO
   ============================================================ */

.contato {
  padding: 120px 5%;
  background: var(--azul-marinho);
  position: relative;
}

.contato__container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.contato__info {
  /* text side */
}

.contato .section-label {
  color: var(--ciano);
}

.contato .section-title {
  color: white;
}

.contato__info p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.05rem;
  line-height: 1.8;
}

.contato__details {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contato__detail {
  display: flex;
  align-items: center;
  gap: 16px;
  color: white;
}

.contato__detail .icon {
  width: 48px;
  height: 48px;
  background: rgba(0, 212, 255, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ciano);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contato__detail p {
  font-size: 0.95rem;
  margin: 0;
  color: rgba(255, 255, 255, 0.8);
}

.contato__detail p strong {
  display: block;
  color: white;
  margin-bottom: 2px;
}

/* ── Contact Form ─────────────────────────────────────────── */

.contato__form-wrapper {
  background: white;
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  box-shadow: var(--shadow-card);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--texto-escuro);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid #E2E8F0;
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  outline: none;
  box-sizing: border-box;
  background: white;
  color: var(--texto-escuro);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--texto-claro);
}

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

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

.form-group select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394A3B8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 18px center;
  padding-right: 44px;
  cursor: pointer;
}

.contato__form-wrapper .btn-primary {
  width: 100%;
  padding: 16px;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  justify-content: center;
}

/* ============================================================
   12. FOOTER
   ============================================================ */

.footer {
  background: var(--azul-deep);
  padding: 80px 5% 40px;
}

.footer__container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
}

.footer__brand {
  /* logo + description column */
}

.footer__brand-logo {
  height: 40px;
  margin-bottom: 16px;
  width: auto;
}

.footer__brand p {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 300px;
}

.footer__col h4 {
  color: white;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer__col a {
  display: block;
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 12px;
  transition: color 0.3s ease;
}

.footer__col a:hover {
  color: var(--ciano);
}

.footer__social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer__social a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.5);
  transition: var(--transition-smooth);
  margin-bottom: 0;
}

.footer__social a:hover {
  background: var(--gradient-primary);
  color: white;
  transform: translateY(-3px);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  margin-top: 60px;
  padding-top: 30px;
  text-align: center;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.85rem;
}

.footer__bottom a {
  color: var(--ciano);
  text-decoration: none;
}

.footer__bottom a:hover {
  text-decoration: underline;
}

/* ============================================================
   13. SCROLL ANIMATIONS
   ============================================================ */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: all 0.8s ease;
}

.reveal-left.active {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: all 0.8s ease;
}

.reveal-right.active {
  opacity: 1;
  transform: translateX(0);
}

/* ============================================================
   14. KEYFRAME ANIMATIONS
   ============================================================ */

@keyframes float-particle {
  0% {
    transform: translateY(100vh) translateX(0);
    opacity: 0;
  }
  10% {
    opacity: 0.6;
  }
  90% {
    opacity: 0.6;
  }
  100% {
    transform: translateY(-10vh) translateX(100px);
    opacity: 0;
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes bounce {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  50% {
    transform: translateX(-50%) translateY(10px);
  }
}

@keyframes scroll-mouse {
  0% {
    opacity: 1;
    top: 8px;
  }
  100% {
    opacity: 0;
    top: 20px;
  }
}

@keyframes orbit {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
  }
  50% {
    box-shadow: 0 0 60px rgba(0, 212, 255, 0.5);
  }
}

/* ============================================================
   15. RESPONSIVE BREAKPOINTS
   ============================================================ */

/* ── Tablet & Small Desktop (≤1024px) ─────────────────────── */
@media (max-width: 1024px) {
  .servicos__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .sobre__container,
  .ia__container,
  .produto__container,
  .contato__container {
    grid-template-columns: 1fr;
    text-align: center;
  }

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

  .sobre__container {
    gap: 50px;
  }

  .ia__container {
    gap: 60px;
  }

  .produto__container {
    gap: 50px;
  }

  .contato__container {
    gap: 50px;
  }

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

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

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

  .hero__title {
    font-size: 2.4rem;
  }

  .sobre__content p,
  .ia__content p,
  .produto__content p,
  .contato__info p {
    text-align: center;
  }

  .sobre__valores {
    justify-items: center;
  }

  .ia__features {
    align-items: center;
  }

  .ia-feature {
    max-width: 500px;
    text-align: left;
  }

  .produto__features {
    align-items: center;
  }

  .produto__feature {
    max-width: 500px;
    text-align: left;
  }

  .contato__details {
    align-items: center;
  }

  .contato__detail {
    text-align: left;
  }

  .sobre__float-card {
    right: 20px;
    bottom: -15px;
  }

  .footer__brand p {
    max-width: none;
  }
}

/* ── Mobile (≤768px) ──────────────────────────────────────── */
@media (max-width: 768px) {
  .header__nav {
    display: none;
  }

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

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

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

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

  .hero__title {
    font-size: 1.8rem;
  }

  .hero__tagline {
    font-size: 0.75rem;
    letter-spacing: 2px;
  }

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

  .btn-primary,
  .btn-secondary {
    width: 100%;
    max-width: 320px;
    justify-content: center;
  }

  .footer__container {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .ia__orb {
    width: 280px;
    height: 280px;
  }

  .ia__orb-center {
    width: 90px;
    height: 90px;
    font-size: 2rem;
  }

  /* Section padding reduction */
  .sobre,
  .servicos,
  .ia,
  .produto,
  .depoimentos,
  .faq,
  .contato {
    padding: 80px 5%;
  }

  /* Section title size */
  .section-title {
    font-size: 2rem;
  }

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

  .contato__form-wrapper {
    padding: 32px 24px;
  }

  .servico-card {
    padding: 32px 24px;
  }

  .depoimento-card {
    padding: 32px 24px;
  }

  .produto__preview {
    padding: 36px 28px;
  }

  .footer__brand {
    text-align: center;
  }

  .footer__brand p {
    margin: 0 auto;
  }

  .footer__col {
    text-align: center;
  }

  .footer__social {
    justify-content: center;
  }
}

/* ── Small Mobile (≤480px) ────────────────────────────────── */
@media (max-width: 480px) {
  body {
    font-size: 15px;
  }

  .hero__title {
    font-size: 1.5rem;
  }

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

  .numero-item__valor {
    font-size: 2.5rem;
  }

  .hero__badge {
    font-size: 0.75rem;
    padding: 6px 18px;
  }

  .header {
    padding: 14px 5%;
  }

  .header__logo {
    height: 80px;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .section-subtitle {
    font-size: 0.95rem;
  }

  .btn-primary,
  .btn-secondary {
    padding: 14px 32px;
    font-size: 0.95rem;
  }

  .faq-item__question {
    font-size: 0.95rem;
    padding: 20px 0;
  }

  .contato__form-wrapper {
    padding: 28px 20px;
  }

  .mobile-nav {
    width: 100%;
    right: -100%;
  }
}

/* ============================================================
   UTILITY & EXTRAS
   ============================================================ */

/* Accessible focus rings */
:focus-visible {
  outline: 2px solid var(--ciano);
  outline-offset: 3px;
}

/* Selection color */
::selection {
  background: rgba(0, 212, 255, 0.2);
  color: var(--texto-escuro);
}

/* Reduced motion preference */
@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;
  }

  .reveal,
  .reveal-left,
  .reveal-right {
    opacity: 1;
    transform: none;
  }

  .hero__particle {
    display: none;
  }
}

/* Smooth text rendering for dark backgrounds */
.hero,
.ia,
.contato,
.footer,
.produto__preview {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Form Feedback Styles ────────────────────────────────── */

.form-success {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 86, 179, 0.1));
  border: 1px solid rgba(0, 212, 255, 0.3);
  color: var(--azul-royal);
  padding: 20px 24px;
  border-radius: var(--radius-sm);
  margin-top: 20px;
  font-weight: 600;
  font-size: 0.95rem;
  text-align: center;
  animation: fadeInUp 0.4s ease;
}

.field-error {
  display: block;
  color: #EF4444;
  font-size: 0.8rem;
  margin-top: 6px;
  font-weight: 500;
}

.form-group input.error,
.form-group textarea.error,
.form-group select.error {
  border-color: #EF4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Prevent content jump when scrollbar appears */
html {
  scrollbar-gutter: stable;
}