/* ═══════════════════════════════════════════════════════════════
   RAPTOR ENGENHARIA — MAIN STYLESHEET
   Paleta: Azul Royal #1B2FBF · Azul Intenso #2136A8 · Branco #FFFFFF
            Cinza Metálico #6E6E73 · Preto Estrutural #0D0D0F
            Accent Gradient: #4A6DFF → #1B2FBF
   Tipografia: Rajdhani (títulos) + Inter (texto)
   ═══════════════════════════════════════════════════════════════ */

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

:root {
  --blue-main:    #1B2FBF;
  --blue-deep:    #111E8A;
  --blue-mid:     #2136A8;
  --blue-light:   #4A6DFF;
  --blue-pale:    #7A9FFF;
  --steel-dark:   #0D0D0F;
  --steel-900:    #111218;
  --steel-800:    #1A1C25;
  --steel-700:    #242736;
  --steel-600:    #3A3D52;
  --steel-400:    #6E6E80;
  --steel-300:    #9395A5;
  --steel-100:    #E8E9F0;
  --white:        #FFFFFF;
  --off-white:    #F4F5FA;

  --gradient-main: linear-gradient(135deg, var(--blue-light) 0%, var(--blue-main) 60%, var(--blue-deep) 100%);
  --gradient-dark: linear-gradient(135deg, var(--steel-800) 0%, var(--steel-900) 100%);

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;

  --shadow-sm:  0 2px 8px rgba(0,0,0,0.12);
  --shadow-md:  0 8px 32px rgba(0,0,0,0.18);
  --shadow-lg:  0 20px 60px rgba(0,0,0,0.25);
  --shadow-blue: 0 8px 32px rgba(27,47,191,0.35);

  --transition: all 0.28s cubic-bezier(0.4,0,0.2,1);
  --transition-slow: all 0.5s cubic-bezier(0.4,0,0.2,1);

  --font-title: 'Rajdhani', 'Inter', sans-serif;
  --font-body:  'Inter', sans-serif;

  --header-h: 72px;
  --section-pad: 96px;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--steel-900);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; }

/* ── Scrollbar ────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--steel-900); }
::-webkit-scrollbar-thumb { background: var(--blue-main); border-radius: 3px; }

/* ── Selection ────────────────────────────────────────────────── */
::selection { background: var(--blue-light); color: var(--white); }

/* ═══════════════════════════════════ LAYOUT HELPERS ════════════ */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: var(--section-pad) 0;
}

.section-dark {
  background: var(--steel-900);
  color: var(--white);
}

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

/* ═══════════════════════════════════ TYPOGRAPHY ═════════════════ */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-title);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue-light);
  background: rgba(74,109,255,0.1);
  border: 1px solid rgba(74,109,255,0.25);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.section-tag::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue-light);
}

.section-title {
  font-family: var(--font-title);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--steel-900);
  margin-bottom: 24px;
}

.section-dark .section-title { color: var(--white); }

.section-subtitle {
  font-size: 1.1rem;
  color: var(--steel-400);
  max-width: 640px;
  margin: 0 auto 56px;
  line-height: 1.7;
}

.section-dark .section-subtitle { color: var(--steel-300); }

.section-text {
  color: var(--steel-400);
  font-size: 1.05rem;
  margin-bottom: 16px;
  line-height: 1.75;
}

.section-text strong { color: var(--steel-900); }

.text-accent {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-grid {
  display: grid;
  gap: 64px;
  align-items: center;
}

.section-header { margin-bottom: 64px; }

/* ═══════════════════════════════════════════ BUTTONS ════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  border: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
  cursor: pointer;
  text-decoration: none;
}

.btn-lg { padding: 16px 36px; font-size: 1.08rem; }
.btn-block { width: 100%; justify-content: center; }

.btn-primary {
  background: var(--gradient-main);
  color: var(--white);
  border-color: transparent;
  box-shadow: var(--shadow-blue);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(27,47,191,0.45);
  filter: brightness(1.1);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--white);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #25D366;
  color: var(--white);
  border-color: transparent;
  box-shadow: 0 8px 24px rgba(37,211,102,0.35);
}
.btn-whatsapp:hover {
  background: #1ebd59;
  transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(37,211,102,0.45);
}

/* ═══════════════════════════════════════════ HEADER ═════════════ */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 1000;
  transition: var(--transition);
  background: transparent;
}

.header.scrolled {
  background: rgba(13,13,15,0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  box-shadow: 0 4px 32px rgba(0,0,0,0.4);
}

.nav-container {
  display: flex;
  align-items: center;
  height: var(--header-h);
  gap: 40px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-icon {
  width: 48px;
  height: 32px;
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.logo-name {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--white);
  line-height: 1;
}

.logo-sub {
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--steel-300);
  line-height: 1.4;
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.nav-link {
  font-family: var(--font-title);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: rgba(255,255,255,0.75);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 20px; height: 2px;
  background: var(--blue-light);
  border-radius: 1px;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--white);
  background: rgba(255,255,255,0.06);
}

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

.nav-cta { margin-left: 8px; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  margin-left: auto;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ═══════════════════════════════════════════ HERO ═══════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(0.45) saturate(0.7);
  transform: scale(1.04);
  transition: transform 8s ease;
}

.hero:hover .hero-img { transform: scale(1); }

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg,
      rgba(13,13,15,0.85) 0%,
      rgba(17,30,138,0.55) 50%,
      rgba(13,13,15,0.7) 100%
    );
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 120px 24px 80px;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.badge-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 8px #4ade80;
  animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.6; transform: scale(0.8); }
}

.hero-title {
  font-family: var(--font-title);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--white);
  margin-bottom: 28px;
  letter-spacing: -0.01em;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.72);
  max-width: 600px;
  margin-bottom: 44px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 72px;
}

/* Stats */
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-md);
  padding: 24px 0;
  overflow: hidden;
}

.stat-item {
  flex: 1;
  min-width: 100px;
  text-align: center;
  padding: 8px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-number {
  font-family: var(--font-title);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-suffix {
  font-family: var(--font-title);
  font-size: 2.4rem;
  font-weight: 700;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.stat-label {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.5);
  margin-top: 6px;
  text-transform: uppercase;
}

.stat-divider {
  width: 1px;
  background: rgba(255,255,255,0.1);
  align-self: stretch;
  margin: 8px 0;
}

/* Hero scroll indicator */
.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.hero-scroll span {
  display: block;
  width: 2px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0), rgba(255,255,255,0.5));
  border-radius: 1px;
  animation: scroll-bounce 2s ease infinite;
}

@keyframes scroll-bounce {
  0%, 100% { opacity: 0; transform: translateY(-8px); }
  50%       { opacity: 1; transform: translateY(0); }
}

/* ════════════════════════════════ VALUE STRIP ═══════════════════ */
.value-strip {
  background: var(--steel-900);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  padding: 0;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.value-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 32px 24px;
  border-right: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition);
}

.value-card:last-child { border-right: none; }

.value-card:hover {
  background: rgba(74,109,255,0.05);
}

.value-icon {
  font-size: 1.6rem;
  color: var(--blue-light);
  flex-shrink: 0;
  margin-top: 2px;
}

.value-card div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.value-card strong {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.02em;
}

.value-card span {
  font-size: 0.85rem;
  color: var(--steel-300);
  line-height: 1.5;
}

/* ═══════════════════════════════════════════ SOBRE ══════════════ */
.sobre-grid {
  grid-template-columns: 1fr 1fr;
}

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

.sobre-img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  transition: var(--transition-slow);
}

.sobre-img-wrapper:hover .sobre-img {
  transform: scale(1.04);
}

.sobre-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--gradient-main);
  color: var(--white);
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  box-shadow: var(--shadow-blue);
}

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

.sobre-content .section-title { color: var(--steel-900); }

.sobre-items {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 24px 0 36px;
}

.sobre-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: var(--steel-900);
  font-size: 0.95rem;
  line-height: 1.5;
}

.sobre-item .fa-check-circle { color: var(--blue-light); font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }

/* ════════════════════════════════════ SOLUÇÕES ══════════════════ */
.solutions-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 40px;
  justify-content: center;
}

.tab-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.05);
  color: rgba(255,255,255,0.55);
  font-family: var(--font-title);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  transition: var(--transition);
}

.tab-btn:hover {
  background: rgba(74,109,255,0.15);
  border-color: var(--blue-light);
  color: var(--white);
}

.tab-btn.active {
  background: var(--gradient-main);
  border-color: transparent;
  color: var(--white);
  box-shadow: var(--shadow-blue);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fade-in 0.4s ease;
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

.sol-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.sol-card:hover {
  border-color: var(--blue-light);
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(27,47,191,0.25);
}

.sol-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--gradient-main);
  color: var(--white);
  font-size: 1.4rem;
  margin: 24px 24px 0;
  box-shadow: var(--shadow-blue);
}

.sol-card h3 {
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--white);
  padding: 16px 24px 8px;
}

.sol-card p {
  font-size: 0.9rem;
  color: var(--steel-300);
  padding: 0 24px 20px;
  line-height: 1.6;
}

.sol-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  filter: brightness(0.65) saturate(0.6);
  transition: var(--transition-slow);
}

.sol-card:hover .sol-img {
  filter: brightness(0.75) saturate(0.75);
}

.section-cta {
  margin-top: 56px;
}

.cta-text {
  color: var(--steel-300);
  margin-bottom: 20px;
  font-size: 1rem;
}

/* ═══════════════════════════════════ PROCESSO BIM ═══════════════ */
.process-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  margin-bottom: 72px;
}

.process-card {
  background: var(--off-white);
  border: 1px solid var(--steel-100);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.process-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-main);
  opacity: 0;
  transition: var(--transition);
}

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

.process-card:hover .process-num,
.process-card:hover h3,
.process-card:hover p { color: var(--white); }

.process-card:hover .process-icon { background: rgba(255,255,255,0.2); color: var(--white); }

.process-num {
  font-family: var(--font-title);
  font-size: 3rem;
  font-weight: 700;
  color: var(--steel-100);
  line-height: 1;
  margin-bottom: 12px;
  transition: var(--transition);
  position: relative;
  z-index: 1;
}

.process-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-sm);
  background: rgba(27,47,191,0.1);
  color: var(--blue-main);
  font-size: 1.5rem;
  margin: 0 auto 16px;
  transition: var(--transition);
  position: relative;
  z-index: 1;
}

.process-card h3 {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 600;
  color: var(--steel-900);
  margin-bottom: 10px;
  transition: var(--transition);
  position: relative;
  z-index: 1;
}

.process-card p {
  font-size: 0.85rem;
  color: var(--steel-400);
  line-height: 1.6;
  transition: var(--transition);
  position: relative;
  z-index: 1;
}

.process-arrow {
  color: var(--blue-light);
  font-size: 1.5rem;
  opacity: 0.4;
}

/* BIM Highlight */
.bim-highlight {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  background: var(--off-white);
  border-radius: var(--radius-xl);
  padding: 64px;
  border: 1px solid var(--steel-100);
}

.bim-img {
  width: 100%;
  height: 360px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.bim-title {
  font-family: var(--font-title);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--steel-900);
  margin-bottom: 16px;
  line-height: 1.25;
}

.bim-text-col p {
  color: var(--steel-400);
  font-size: 0.98rem;
  line-height: 1.75;
  margin-bottom: 24px;
}

.bim-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.bim-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--steel-900);
}

.bim-list .fa-check {
  color: var(--blue-light);
  font-size: 0.85rem;
  background: rgba(27,47,191,0.1);
  padding: 4px 5px;
  border-radius: 50%;
}

/* ═══════════════════════════════════════════ SETORES ════════════ */
.sectors-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 16px;
}

.sector-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 24px 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  text-align: center;
  font-family: var(--font-title);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--steel-300);
  letter-spacing: 0.03em;
  transition: var(--transition);
  cursor: default;
}

.sector-card i {
  font-size: 1.6rem;
  color: var(--blue-light);
  transition: var(--transition);
}

.sector-card:hover {
  background: var(--gradient-main);
  border-color: transparent;
  color: var(--white);
  transform: translateY(-4px);
  box-shadow: var(--shadow-blue);
}

.sector-card:hover i { color: var(--white); }

/* ═══════════════════════════════════════ DIFERENCIAIS ═══════════ */
.diff-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.diff-card {
  position: relative;
  padding: 40px 32px;
  background: var(--off-white);
  border: 1px solid var(--steel-100);
  border-radius: var(--radius-md);
  transition: var(--transition);
  overflow: hidden;
}

.diff-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  background: var(--gradient-main);
  opacity: 0;
  transition: var(--transition);
}

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

.diff-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(27,47,191,0.2);
}

.diff-card.featured {
  background: var(--gradient-main);
  border-color: transparent;
  color: var(--white);
}

.diff-card.featured::before { display: none; }
.diff-card.featured:hover { box-shadow: var(--shadow-blue); }

.diff-icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: var(--radius-sm);
  background: rgba(27,47,191,0.1);
  color: var(--blue-main);
  font-size: 1.6rem;
  margin-bottom: 20px;
}

.diff-card.featured .diff-icon-wrap {
  background: rgba(255,255,255,0.2);
  color: var(--white);
}

.diff-card h3 {
  font-family: var(--font-title);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--steel-900);
  margin-bottom: 12px;
}

.diff-card.featured h3 { color: var(--white); }

.diff-card p {
  font-size: 0.92rem;
  color: var(--steel-400);
  line-height: 1.7;
}

.diff-card.featured p { color: rgba(255,255,255,0.82); }

.diff-tag {
  display: inline-block;
  margin-top: 16px;
  padding: 4px 12px;
  background: rgba(255,255,255,0.2);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ════════════════════════════════════ CTA BANNER ════════════════ */
.cta-banner {
  position: relative;
  min-height: 420px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.cta-banner-bg {
  position: absolute;
  inset: 0;
}

.cta-banner-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.3) saturate(0.5);
}

.cta-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(17,30,138,0.85) 0%, rgba(13,13,15,0.7) 100%);
}

.cta-banner-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 80px 24px;
}

.cta-banner-title {
  font-family: var(--font-title);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  line-height: 1.2;
}

.cta-banner-text {
  color: rgba(255,255,255,0.7);
  font-size: 1.1rem;
  margin-bottom: 40px;
}

.cta-banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}

/* ═══════════════════════════════════════════ CONTATO ════════════ */
.contato-grid {
  grid-template-columns: 1fr 1fr;
}

.contato-info .section-title { color: var(--steel-900); }

.contact-items {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin: 32px 0;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-item-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: rgba(27,47,191,0.08);
  color: var(--blue-main);
  font-size: 1.1rem;
  flex-shrink: 0;
}

.contact-item > div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-item strong {
  font-family: var(--font-title);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel-400);
}

.contact-item a,
.contact-item span {
  font-size: 0.98rem;
  color: var(--steel-900);
  transition: var(--transition);
}

.contact-item a:hover { color: var(--blue-main); }

.credentials {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.cred-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border: 1px solid var(--blue-main);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--blue-main);
  letter-spacing: 0.05em;
}

/* Form */
.contato-form-wrapper {
  background: var(--off-white);
  border: 1px solid var(--steel-100);
  border-radius: var(--radius-lg);
  padding: 48px;
}

.contato-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--steel-900);
  letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--steel-100);
  border-radius: var(--radius-sm);
  background: var(--white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--steel-900);
  outline: none;
  transition: var(--transition);
  appearance: none;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue-light);
  box-shadow: 0 0 0 3px rgba(74,109,255,0.12);
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--steel-300); }

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

.form-group select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236E6E80' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 16px center; padding-right: 40px; }

.form-disclaimer {
  text-align: center;
  font-size: 0.8rem;
  color: var(--steel-400);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

/* Success state */
.form-success {
  text-align: center;
  padding: 40px 24px;
}

.success-icon {
  font-size: 4rem;
  color: #4ade80;
  margin-bottom: 20px;
}

.form-success h3 {
  font-family: var(--font-title);
  font-size: 1.8rem;
  color: var(--steel-900);
  margin-bottom: 12px;
}

.form-success p {
  color: var(--steel-400);
  font-size: 0.98rem;
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

/* ═══════════════════════════════════════════ FOOTER ══════════════ */
.footer {
  background: var(--steel-dark);
  color: var(--white);
  padding-top: 80px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 64px;
  padding-bottom: 64px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-brand .logo { margin-bottom: 20px; }

.footer-tagline {
  font-size: 0.9rem;
  color: var(--steel-300);
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 300px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.06);
  color: var(--steel-300);
  font-size: 1.1rem;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--gradient-main);
  color: var(--white);
  transform: translateY(-3px);
}

.footer-links h4,
.footer-contact h4 {
  font-family: var(--font-title);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: 20px;
}

.footer-links ul,
.footer-contact ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links li a,
.footer-contact li {
  font-size: 0.9rem;
  color: var(--steel-300);
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-links li a:hover { color: var(--white); padding-left: 4px; }
.footer-contact li a { color: var(--steel-300); }
.footer-contact li a:hover { color: var(--white); }
.footer-contact i { color: var(--blue-light); flex-shrink: 0; width: 16px; }

.footer-bottom {
  padding: 24px 0;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--steel-400);
}

.footer-creds {
  display: flex;
  gap: 16px;
}

.footer-creds span {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--steel-400);
  text-transform: uppercase;
  padding: 4px 10px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px;
}

/* ══════════════════════════════════ FLOATING BUTTONS ════════════ */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 8px 24px rgba(37,211,102,0.45);
  z-index: 900;
  transition: var(--transition);
  animation: float-in 0.6s 1s ease backwards;
}

.whatsapp-float:hover {
  transform: scale(1.12) translateY(-3px);
  box-shadow: 0 14px 36px rgba(37,211,102,0.55);
}

@keyframes float-in {
  from { opacity: 0; transform: scale(0.5); }
  to   { opacity: 1; transform: scale(1); }
}

.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 100px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-main);
  color: var(--white);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: var(--shadow-blue);
  z-index: 900;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(27,47,191,0.45);
}

/* ═══════════════════════════════════ ANIMATIONS ═════════════════ */
.animate-fade-in {
  animation: anim-fade 0.8s ease backwards;
}

.animate-slide-up {
  animation: anim-slide-up 0.7s ease backwards;
}

.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.5s; }

@keyframes anim-fade {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes anim-slide-up {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Scroll-reveal */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ═══════════════════════════════════════ RESPONSIVE ═════════════ */
@media (max-width: 1100px) {
  .sectors-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .process-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .process-arrow { display: none; }

  .bim-highlight {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 40px;
  }

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

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

@media (max-width: 900px) {
  :root { --section-pad: 72px; }

  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }

  /* Mobile nav */
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: rgba(13,13,15,0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 32px 24px;
    gap: 4px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }

  .nav-links.open ~ .nav-cta {
    display: none;
  }

  .sobre-grid,
  .contato-grid {
    grid-template-columns: 1fr;
  }

  .sobre-img { height: 360px; }

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

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

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

  .value-card {
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }

  .sectors-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 640px) {
  :root {
    --section-pad: 56px;
    --header-h: 64px;
  }

  .hero-stats {
    flex-wrap: wrap;
  }

  .stat-item { flex: 1 0 45%; }
  .stat-divider { display: none; }

  .solutions-grid,
  .diff-grid,
  .value-grid {
    grid-template-columns: 1fr;
  }

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

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

  .contato-form-wrapper { padding: 32px 24px; }

  .bim-highlight { padding: 32px 24px; }

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

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-banner-actions { flex-direction: column; align-items: center; }

  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-brand { grid-column: auto; }

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

  .logo-name { font-size: 1.25rem; }

  .whatsapp-float { width: 52px; height: 52px; font-size: 1.5rem; }
  .back-to-top { right: 88px; }
}