/* ==========================================================================
   COSMOSHUB — MODERN CORPORATE TECH DESIGN SYSTEM
   Palette: Navy (#090F2A), Roxo (#6554E8), Azul (#2684FF), Ciano (#38D9FF)
   Aesthetic: Clean, Serious, Enterprise Technology & High Trust
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700;800;900&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=Syne:wght@700;800&display=swap');

:root {
  /* Color Tokens */
  --color-navy: #090F2A;
  --color-navy-dark: #050817;
  --color-navy-card: rgba(13, 20, 52, 0.65);
  --color-navy-card-hover: rgba(18, 28, 70, 0.85);
  --color-navy-glass: rgba(9, 15, 42, 0.85);
  
  --color-purple: #6554E8;
  --color-purple-light: #8B7EFF;
  --color-purple-glow: rgba(101, 84, 232, 0.25);
  
  --color-blue: #2684FF;
  --color-blue-dark: #165ec7;
  --color-blue-glow: rgba(38, 132, 255, 0.25);
  
  --color-cyan: #38D9FF;
  --color-cyan-dim: rgba(56, 217, 255, 0.12);
  
  --color-whatsapp: #25D366;
  --color-whatsapp-hover: #1eb854;

  /* Typography Colors */
  --text-pure: #FFFFFF;
  --text-main: #E2E8F0;
  --text-muted: #94A3B8;
  --text-dim: #64748B;

  /* Borders & Gradients */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(101, 84, 232, 0.3);
  --border-active: rgba(56, 217, 255, 0.4);
  --grad-primary: linear-gradient(135deg, #2684FF 0%, #6554E8 100%);
  --grad-text: linear-gradient(135deg, #FFFFFF 30%, #38D9FF 75%, #6554E8 100%);
  --grad-accent: linear-gradient(90deg, #6554E8, #2684FF, #38D9FF);

  /* Fonts */
  --font-heading: 'Outfit', sans-serif;
  --font-brand: 'Syne', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  /* Spacings & Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 26px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  color-scheme: dark;
}

body {
  font-family: var(--font-body);
  background-color: #090F2A;
  background-image: radial-gradient(ellipse 90% 50% at 50% -5%, #142050 0%, #090F2A 55%, #050817 100%);
  background-attachment: fixed;
  color: var(--text-main);
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Fundo corporativo sóbrio e sutil (grid tech minimalista) */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 80px 80px;
  pointer-events: none;
  z-index: -1;
  opacity: 0.5;
}

/* Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-pure);
  line-height: 1.22;
  font-weight: 700;
}

p {
  color: var(--text-main);
}

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

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

.gradient-text-cyan {
  background: linear-gradient(135deg, #38D9FF 0%, #2684FF 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.gradient-text-purple {
  background: linear-gradient(135deg, #8B7EFF 0%, #6554E8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* Badges & Tags */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-cyan);
  backdrop-filter: blur(8px);
}

.badge-cyan {
  border-color: rgba(56, 217, 255, 0.25);
  background: rgba(56, 217, 255, 0.08);
  color: var(--color-cyan);
}

.badge-purple {
  border-color: rgba(101, 84, 232, 0.3);
  background: rgba(101, 84, 232, 0.1);
  color: #B3A9FF;
}

.badge-pulse::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-cyan);
  box-shadow: 0 0 8px var(--color-cyan);
}

/* ==========================================================================
   BUTTONS & CTAs
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 26px;
  border-radius: var(--radius-full);
  cursor: pointer;
  border: none;
  transition: all var(--transition-smooth);
  position: relative;
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, #2684FF 0%, #6554E8 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 18px rgba(38, 132, 255, 0.3), inset 0 1px 1px rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(101, 84, 232, 0.45);
  filter: brightness(1.06);
}

.btn-whatsapp {
  background: linear-gradient(135deg, #20b857 0%, #158c3f 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 18px rgba(32, 184, 87, 0.25), inset 0 1px 1px rgba(255, 255, 255, 0.3);
}

.btn-whatsapp:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, #25d366 0%, #179e47 100%);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.35);
  filter: brightness(1.05);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-pure);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-outline-glow {
  background: rgba(13, 20, 52, 0.6);
  color: var(--color-cyan);
  border: 1px solid rgba(56, 217, 255, 0.28);
  backdrop-filter: blur(10px);
}

.btn-outline-glow:hover {
  background: rgba(56, 217, 255, 0.1);
  border-color: var(--color-cyan);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 15px 32px;
  font-size: 1.02rem;
}

/* ==========================================================================
   NAVIGATION / HEADER
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: all var(--transition-smooth);
}

.site-header.scrolled {
  padding: 12px 0;
  background: rgba(9, 15, 42, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo img {
  height: 42px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

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

.brand-name-wrap {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-brand);
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-pure);
}

.brand-name span {
  color: var(--color-cyan);
}

.brand-sub {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.nav-links {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 30px;
}

.nav-link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 6px 0;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--grad-accent);
  transition: width var(--transition-smooth);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-pure);
  padding: 8px;
  cursor: pointer;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  padding-top: 145px;
  padding-bottom: 85px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.hero-tagline-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.hero-title {
  font-size: clamp(2.3rem, 4vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.14;
}

.hero-author-badge {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 10px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(8px);
  width: fit-content;
}

.author-avatar-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2684FF, #6554E8);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
}

.author-info h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-pure);
}

.author-info p {
  font-size: 0.76rem;
  color: var(--color-cyan);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-main);
  max-width: 580px;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 6px;
}

/* Hero Visual Showcase */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.hero-logo-frame {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 450px;
  padding: 10px;
}

.hero-logo-frame::before {
  content: '';
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(38, 132, 255, 0.14) 0%, rgba(101, 84, 232, 0.08) 50%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-logo-img {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 390px;
  height: auto;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.7)) drop-shadow(0 0 30px rgba(38, 132, 255, 0.22));
  transition: transform var(--transition-smooth), filter var(--transition-smooth);
  animation: hero-logo-float 5s ease-in-out infinite;
}

.hero-logo-frame:hover .hero-logo-img {
  transform: scale(1.04);
  filter: drop-shadow(0 25px 50px rgba(0, 0, 0, 0.8)) drop-shadow(0 0 42px rgba(56, 217, 255, 0.38));
}

@keyframes hero-logo-float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

/* Hero Quick Stats */
.hero-highlights-strip {
  margin-top: 45px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  padding: 22px;
  background: var(--color-navy-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
}

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

.highlight-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-cyan);
  flex-shrink: 0;
}

.highlight-content h5 {
  font-size: 0.92rem;
  font-weight: 700;
  margin-bottom: 2px;
  color: var(--text-pure);
}

.highlight-content p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.35;
}

/* ==========================================================================
   SECTION COMMON STYLES
   ========================================================================== */
.section-pad {
  padding: 85px 0;
  position: relative;
}

.section-pad-sm {
  padding: 55px 0;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 52px auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.section-title {
  font-size: clamp(1.85rem, 3vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.02rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Glass Card Base */
.glass-card {
  background: var(--color-navy-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  padding: 30px;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.glass-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.16);
  background: var(--color-navy-card-hover);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

/* ==========================================================================
   SECTION 1: CONSULTORIA DE TI & INFRAESTRUTURA
   ========================================================================== */
.consulting-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 22px;
}

.service-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  height: 100%;
}

.service-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.service-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-cyan);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.service-card:hover .service-icon-box {
  transform: scale(1.05);
  border-color: var(--color-cyan);
}

.service-card-num {
  font-family: var(--font-brand);
  font-size: 1.05rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.2);
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-pure);
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Specialized Systems Box */
.american-systems-box {
  margin-top: 48px;
  background: var(--color-navy-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 34px 38px;
  backdrop-filter: blur(12px);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.35);
}

.american-systems-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 22px;
}

.american-systems-header h3 {
  font-size: 1.28rem;
  display: flex;
  align-items: center;
  gap: 12px;
}

.american-systems-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.system-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-pure);
  transition: all var(--transition-fast);
}

.system-tag:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(56, 217, 255, 0.4);
  color: var(--color-cyan);
  transform: translateY(-2px);
}

.system-tag svg {
  width: 18px;
  height: 18px;
  color: var(--color-cyan);
}

/* ==========================================================================
   SECTION 2: SOLUÇÕES COSMOSHUB (COSMOSCLEAN & COSMOSFACILITIES)
   ========================================================================== */
.cosmos-products-wrapper {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.product-tab-control {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 8px;
}

.tab-btn {
  padding: 11px 26px;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.96rem;
  cursor: pointer;
  border: 1px solid var(--border-subtle);
  background: rgba(13, 20, 52, 0.5);
  color: var(--text-muted);
  transition: all var(--transition-smooth);
}

.tab-btn:hover {
  color: var(--text-pure);
  border-color: rgba(255, 255, 255, 0.2);
}

.tab-btn.active {
  background: linear-gradient(135deg, #2684FF 0%, #6554E8 100%);
  color: #FFFFFF;
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(38, 132, 255, 0.35);
}

.product-showcase-card {
  background: var(--color-navy-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: 0 16px 45px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
  transition: opacity var(--transition-smooth), transform var(--transition-smooth);
}

.product-showcase-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 20px;
  padding-bottom: 26px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 30px;
}

.product-title-group h2 {
  font-size: 2.1rem;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.product-title-group p {
  font-size: 1.02rem;
  color: var(--text-muted);
  max-width: 650px;
}

.product-modules-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 32px;
}

.module-column {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
}

.module-column-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.module-column-header h4 {
  font-size: 1.05rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-cyan);
}

.feature-check-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 13px;
}

.feature-check-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.94rem;
  color: var(--text-main);
  line-height: 1.5;
}

.feature-check-list li svg {
  width: 19px;
  height: 19px;
  color: var(--color-cyan);
  flex-shrink: 0;
  margin-top: 2px;
}

.product-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.product-ideal-for {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 0.9rem;
  max-width: 600px;
}

.product-ideal-for strong {
  color: var(--color-cyan);
}

/* ==========================================================================
   SECTION 3: COSMOSDEV (DESENVOLVIMENTO SOB MEDIDA)
   ========================================================================== */
.dev-manifesto-box {
  background: var(--color-navy-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 36px;
  text-align: center;
  max-width: 860px;
  margin: 0 auto 50px auto;
  position: relative;
}

.dev-manifesto-box h3 {
  font-size: clamp(1.35rem, 2.2vw, 1.8rem);
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-pure);
  margin-bottom: 12px;
}

.dev-manifesto-box p {
  font-size: 1.02rem;
  color: var(--text-muted);
  max-width: 720px;
  margin: 0 auto;
}

/* 4-Step Process Pipeline */
.process-pipeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  position: relative;
  margin-bottom: 50px;
}

.process-step-card {
  background: var(--color-navy-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: all var(--transition-smooth);
}

.process-step-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.16);
  background: var(--color-navy-card-hover);
}

.step-num-badge {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2684FF, #6554E8);
  color: #FFFFFF;
  font-family: var(--font-brand);
  font-size: 1.05rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.process-step-card h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-pure);
}

.process-step-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* Ideal For Grid in CosmosDev */
.dev-ideal-for-box {
  background: var(--color-navy-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 36px;
}

.dev-ideal-header {
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.dev-ideal-header h4 {
  font-size: 1.2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-cyan);
}

.dev-ideal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.ideal-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.ideal-item:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateX(3px);
}

.ideal-item svg {
  width: 20px;
  height: 20px;
  color: var(--color-cyan);
  flex-shrink: 0;
  margin-top: 2px;
}

.ideal-item p {
  font-size: 0.9rem;
  color: var(--text-main);
}

/* ==========================================================================
   SECTION 4: INTERACTIVE SOLUTION SELECTOR & FINAL CTA
   ========================================================================== */
.interactive-cta-section {
  padding: 85px 0;
}

.cta-glass-banner {
  background: var(--color-navy-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 50px 44px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  position: relative;
  overflow: hidden;
}

.cta-content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 44px;
  align-items: center;
}

.cta-text-side h2 {
  font-size: clamp(1.9rem, 3.2vw, 2.6rem);
  line-height: 1.16;
  margin-bottom: 14px;
}

.cta-text-side p {
  font-size: 1.05rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 22px;
}

/* Interactive WhatsApp Configurator Box */
.whatsapp-configurator-box {
  background: rgba(5, 8, 23, 0.85);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.whatsapp-configurator-box h4 {
  font-size: 1.05rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-cyan);
}

.option-pill-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.option-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.option-pill:hover, .option-pill.active {
  background: rgba(38, 132, 255, 0.12);
  border-color: rgba(56, 217, 255, 0.35);
  color: #FFFFFF;
}

.option-pill.active {
  box-shadow: 0 2px 12px rgba(38, 132, 255, 0.15);
}

.option-pill svg {
  width: 18px;
  height: 18px;
  opacity: 0.5;
}

.option-pill.active svg {
  opacity: 1;
  color: var(--color-cyan);
}

/* ==========================================================================
   FLOATING WHATSAPP BUTTON
   ========================================================================== */
.floating-whatsapp {
  position: fixed;
  bottom: 26px;
  right: 26px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.floating-whatsapp-btn {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
  transition: all var(--transition-smooth);
  position: relative;
}

.floating-whatsapp:hover .floating-whatsapp-btn {
  transform: scale(1.08);
  box-shadow: 0 10px 32px rgba(37, 211, 102, 0.55);
}

.floating-whatsapp-tooltip {
  background: rgba(9, 15, 42, 0.95);
  border: 1px solid var(--border-subtle);
  padding: 8px 14px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 600;
  color: #FFFFFF;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(8px);
  white-space: nowrap;
  opacity: 0;
  transform: translateX(10px);
  transition: all var(--transition-smooth);
  pointer-events: none;
}

.floating-whatsapp:hover .floating-whatsapp-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  background: var(--color-navy-dark);
  padding: 55px 0 28px 0;
  position: relative;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 44px;
  margin-bottom: 44px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 380px;
  margin-top: 12px;
  line-height: 1.6;
}

.footer-col h5 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-pure);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--color-cyan);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* ==========================================================================
   RESPONSIVE DESIGN
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  
  .hero-highlights-strip {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .cta-content-grid {
    grid-template-columns: 1fr;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .site-header {
    padding: 12px 0;
  }

  .nav-links {
    position: fixed;
    top: 68px;
    left: 0;
    width: 100%;
    background: rgba(9, 15, 42, 0.98);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border-subtle);
    flex-direction: column;
    padding: 28px 20px;
    gap: 18px;
    transform: translateY(-150%);
    transition: transform var(--transition-smooth);
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5);
  }

  .nav-links.open {
    transform: translateY(0);
  }

  .mobile-toggle {
    display: block;
  }

  .nav-actions .btn {
    display: none;
  }

  .hero-section {
    padding-top: 110px;
    padding-bottom: 50px;
  }

  .product-showcase-card {
    padding: 26px 18px;
  }

  .product-modules-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

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

  .hero-highlights-strip {
    grid-template-columns: 1fr;
  }

  .cta-glass-banner {
    padding: 32px 18px;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .floating-whatsapp-tooltip {
    display: none;
  }
}