/* =============================================================
   FLUXE SOFTWARE — DESIGN SYSTEM
   Root variables, reset, base and all component styles
   ============================================================= */

/* ─── CUSTOM PROPERTIES ─────────────────────────────────────── */
:root {
  /* Color palette — dark tech (no purple, pink, lilac) */
  --bg-primary:    #070b14;
  --bg-secondary:  #0b1120;
  --bg-elevated:   #111827;
  --bg-card:       rgba(17, 24, 39, 0.80);
  --bg-card-hover: rgba(20, 30, 50, 0.90);

  --border:        rgba(148, 163, 184, 0.08);
  --border-hover:  rgba(148, 163, 184, 0.18);
  --border-accent: rgba(37, 99, 235, 0.35);

  --accent:        #2563eb;
  --accent-hover:  #1d4ed8;
  --accent-light:  #3b82f6;
  --cyan:          #06b6d4;
  --cyan-light:    #22d3ee;
  --danger:        #ef4444;
  --success:       #22c55e;

  --text-primary:  #f1f5f9;
  --text-secondary:#94a3b8;
  --text-muted:    #4b5563;

  /* Gradient utilities */
  --grad-accent:   linear-gradient(135deg, var(--accent), var(--cyan));
  --grad-subtle:   linear-gradient(180deg, rgba(37,99,235,0.10) 0%, transparent 100%);

  /* Typography */
  --font-sans:     'Inter', system-ui, -apple-system, sans-serif;
  --font-mono:     'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing scale */
  --space-1:   0.25rem;
  --space-2:   0.5rem;
  --space-3:   0.75rem;
  --space-4:   1rem;
  --space-5:   1.25rem;
  --space-6:   1.5rem;
  --space-8:   2rem;
  --space-10:  2.5rem;
  --space-12:  3rem;
  --space-16:  4rem;
  --space-20:  5rem;
  --space-24:  6rem;
  --space-32:  8rem;

  /* Border radius */
  --radius-sm:  0.375rem;
  --radius-md:  0.75rem;
  --radius-lg:  1rem;
  --radius-xl:  1.5rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-card:  0 1px 3px rgba(0,0,0,0.4), 0 0 0 1px rgba(148,163,184,0.08);
  --shadow-glow:  0 0 30px rgba(37,99,235,0.20);
  --shadow-cyan:  0 0 30px rgba(6,182,212,0.15);

  /* Transitions */
  --ease-out:   cubic-bezier(0.16, 1, 0.3, 1);
  --duration:   0.25s;
  --duration-lg:0.45s;

  /* Layout */
  --max-width:  1200px;
  --nav-height: 4rem;
}

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

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

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

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

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

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

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* ─── FOCUS STYLES (ACCESSIBILITY) ───────────────────────────── */
:focus-visible {
  outline: 2px solid var(--accent-light);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ─── TYPOGRAPHY ─────────────────────────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.75rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.75rem); }
h3 { font-size: 1.125rem; font-weight: 600; }

p { color: var(--text-secondary); line-height: 1.7; }

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

/* ─── LAYOUT UTILITIES ───────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.section {
  padding-block: var(--space-24);
}

.section--alt {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* ─── SECTION HEADERS ────────────────────────────────────────── */
.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
  max-width: 680px;
  margin-inline: auto;
  margin-bottom: var(--space-16);
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-light);
  background: rgba(37, 99, 235, 0.12);
  border: 1px solid rgba(37, 99, 235, 0.25);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.section-title {
  margin-bottom: var(--space-4);
}

.section-desc {
  font-size: 1.0625rem;
  max-width: 580px;
  margin-inline: auto;
}

/* ─── BUTTONS ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.6875rem 1.375rem;
  border-radius: var(--radius-md);
  transition: all var(--duration) var(--ease-out);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn svg {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.10);
  box-shadow: 0 1px 2px rgba(0,0,0,0.3), 0 0 0 1px rgba(37,99,235,0.4) inset;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.10) 0%, transparent 100%);
  border-radius: inherit;
}

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: var(--shadow-glow), 0 4px 12px rgba(37,99,235,0.40);
  transform: translateY(-1px);
}

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

.btn-ghost {
  background: rgba(255,255,255,0.04);
  color: var(--text-secondary);
  border: 1px solid var(--border-hover);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.08);
  color: var(--text-primary);
  border-color: var(--border-accent);
}

.btn-sm { padding: 0.4375rem 1rem; font-size: 0.875rem; }
.btn-lg { padding: 0.875rem 1.75rem; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

/* ─── NAVIGATION ─────────────────────────────────────────────── */
.nav-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  border-bottom: 1px solid transparent;
  transition: background var(--duration) var(--ease-out),
              border-color var(--duration) var(--ease-out),
              backdrop-filter var(--duration) var(--ease-out);
}

.nav-header.scrolled {
  background: rgba(7, 11, 20, 0.85);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-color: var(--border);
}

.nav-container {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  height: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

.nav-logo-mark svg { display: block; }
.nav-logo-mark img {
  display: block;
  filter: brightness(0) invert(1);
  object-fit: contain;
}

.nav-logo-text {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex: 1;
}

.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: color var(--duration), background var(--duration);
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.05);
}

.nav-cta { margin-left: auto; }

.nav-mobile-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: background var(--duration), color var(--duration);
}

.nav-mobile-toggle svg { width: 1.25rem; height: 1.25rem; }

.nav-mobile-toggle:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: rgba(7,11,20,0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  z-index: 99;
  animation: slideDown 0.2s var(--ease-out);
}

.mobile-menu[hidden] { display: none; }

.mobile-menu ul {
  padding: var(--space-4) var(--space-6) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.mobile-link {
  display: block;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--duration), background var(--duration);
}

.mobile-link:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.05);
}

.mobile-link--cta {
  margin-top: var(--space-2);
  background: var(--accent);
  color: #fff !important;
  text-align: center;
  font-weight: 600;
}

.mobile-link--cta:hover {
  background: var(--accent-hover) !important;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── HERO SECTION ───────────────────────────────────────────── */
.hero {
  position: relative;
  padding-top: calc(var(--nav-height) + var(--space-20));
  padding-bottom: var(--space-24);
  overflow: hidden;
  min-height: 100dvh;
  display: flex;
  align-items: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.hero-orb {
  position: absolute;
  border-radius: var(--radius-full);
  filter: blur(80px);
  opacity: 0.35;
  animation: orbFloat 12s ease-in-out infinite;
}

.hero-orb--1 {
  width: 60vw;
  height: 60vw;
  max-width: 700px;
  max-height: 700px;
  background: radial-gradient(circle, rgba(37,99,235,0.6) 0%, transparent 70%);
  top: -20%;
  right: -15%;
  animation-delay: 0s;
}

.hero-orb--2 {
  width: 45vw;
  height: 45vw;
  max-width: 500px;
  max-height: 500px;
  background: radial-gradient(circle, rgba(6,182,212,0.4) 0%, transparent 70%);
  bottom: 0;
  left: -10%;
  animation-delay: -6s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(2%, 3%) scale(1.03); }
  66%       { transform: translate(-2%, -2%) scale(0.98); }
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(148,163,184,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148,163,184,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 30%, transparent 100%);
}

.hero-container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  width: fit-content;
  background: rgba(37,99,235,0.10);
  border: 1px solid rgba(37,99,235,0.25);
  color: var(--accent-light);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
}

.hero-badge svg { width: 0.875rem; height: 0.875rem; }

.hero-headline { margin-bottom: 0; }

.hero-sub {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.hero-detail {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.8;
  border-left: 2px solid var(--border-accent);
  padding-left: var(--space-4);
}

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

.hero-stats {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
}

.hero-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero-stat-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.hero-stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.hero-stat-divider {
  width: 1px;
  height: 2.5rem;
  background: var(--border-hover);
}

/* Hero Visual — UI Frame */
.hero-visual {
  position: relative;
}

.hero-ui-frame {
  background: var(--bg-elevated);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card), var(--shadow-glow);
  backdrop-filter: blur(12px);
}

.hero-ui-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border);
  background: rgba(0,0,0,0.20);
}

.ui-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.ui-dot--red    { background: #ff5f56; }
.ui-dot--yellow { background: #ffbd2e; }
.ui-dot--green  { background: #27c93f; }

.ui-bar-title {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-left: var(--space-2);
  font-family: var(--font-mono);
}

.hero-ui-body {
  display: flex;
  height: 340px;
}

.ui-sidebar {
  width: 130px;
  flex-shrink: 0;
  border-right: 1px solid var(--border);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ui-sidebar-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-2);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  color: var(--text-muted);
  transition: all var(--duration);
  cursor: default;
}

.ui-sidebar-item svg { width: 14px; height: 14px; flex-shrink: 0; }

.ui-sidebar-item--active {
  background: rgba(37,99,235,0.15);
  color: var(--accent-light);
}

.ui-content {
  flex: 1;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  overflow: hidden;
}

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

.ui-metric {
  background: rgba(0,0,0,0.25);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.ui-metric-label { font-size: 0.65rem; color: var(--text-muted); }
.ui-metric-value { font-size: 1rem; font-weight: 700; font-family: var(--font-mono); }

.ui-metric-trend {
  display: flex;
  align-items: center;
  gap: 2px;
  font-size: 0.65rem;
  font-weight: 600;
}

.ui-metric-trend svg { width: 10px; height: 10px; }
.ui-metric-trend--up { color: var(--success); }

.ui-chart-area {
  flex: 1;
  background: rgba(0,0,0,0.20);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.ui-chart-label { font-size: 0.65rem; color: var(--text-muted); }

.ui-chart { flex: 1; display: flex; align-items: flex-end; }

.ui-bar-chart {
  display: flex;
  align-items: flex-end;
  gap: var(--space-2);
  height: 70px;
  width: 100%;
}

.ui-bar-chart-item {
  flex: 1;
  height: var(--h);
  background: rgba(37,99,235,0.40);
  border-radius: 3px 3px 0 0;
  transition: background var(--duration);
}

.ui-bar-chart-item--active {
  background: var(--accent);
  box-shadow: 0 0 10px rgba(37,99,235,0.5);
}

.ui-ai-prompt {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: rgba(6,182,212,0.08);
  border: 1px solid rgba(6,182,212,0.20);
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  color: var(--cyan-light);
  font-family: var(--font-mono);
}

.ui-ai-prompt svg { width: 12px; height: 12px; flex-shrink: 0; }

/* Floating cards */
.float-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: rgba(11,17,32,0.90);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.40);
}

.float-card svg { width: 1.25rem; height: 1.25rem; color: var(--accent-light); flex-shrink: 0; }

.float-card-title {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-primary);
}

.float-card-sub {
  display: block;
  font-size: 0.6875rem;
  color: var(--text-muted);
}

.float-card--1 {
  bottom: -1.5rem;
  left: -2rem;
  animation: floatY 4s ease-in-out infinite;
}

.float-card--2 {
  top: -1.5rem;
  right: -1.5rem;
  animation: floatY 4s ease-in-out infinite;
  animation-delay: -2s;
}

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

/* ─── PROBLEMA SECTION ───────────────────────────────────────── */
.problema-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

.problema-tools {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

.problema-tools-title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-5);
  font-family: var(--font-mono);
}

.problema-tools-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}

.tool-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  transition: all var(--duration);
}

.tool-chip svg { width: 0.875rem; height: 0.875rem; }

.tool-chip--disconnected {
  border-color: rgba(239,68,68,0.35);
  color: #fca5a5;
  background: rgba(239,68,68,0.08);
}

.problema-arrow {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-4);
  color: var(--text-muted);
  animation: arrowBounce 1.5s ease-in-out infinite;
}

.problema-arrow svg { width: 1.5rem; height: 1.5rem; }

@keyframes arrowBounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(6px); }
}

.problema-result {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.problema-result-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.875rem;
  color: #fca5a5;
  padding: var(--space-2) 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.problema-result-item svg { width: 1rem; height: 1rem; color: var(--danger); flex-shrink: 0; }

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

.problema-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color var(--duration), box-shadow var(--duration);
}

.problema-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-card);
}

.problema-card-icon {
  width: 2.5rem;
  height: 2.5rem;
  background: rgba(37,99,235,0.12);
  border: 1px solid rgba(37,99,235,0.20);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  color: var(--accent-light);
}

.problema-card-icon svg { width: 1.125rem; height: 1.125rem; }

.problema-card h3 { margin-bottom: var(--space-2); font-size: 1rem; }
.problema-card p  { font-size: 0.9rem; }

/* ─── SOLUÇÃO SECTION ────────────────────────────────────────── */
.solucao-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

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

.solucao-feature {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  padding: var(--space-5);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: border-color var(--duration), box-shadow var(--duration),
              transform var(--duration);
}

.solucao-feature:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
  transform: translateX(4px);
}

.solucao-feature-icon {
  width: 2.75rem;
  height: 2.75rem;
  flex-shrink: 0;
  background: var(--grad-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.solucao-feature-icon svg { width: 1.25rem; height: 1.25rem; }

.solucao-feature h3 { margin-bottom: var(--space-1); font-size: 1rem; }
.solucao-feature p  { font-size: 0.875rem; }

/* Ecosystem Diagram */
.solucao-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.ecosystem-diagram {
  position: relative;
  width: 340px;
  height: 340px;
}

.ecosystem-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100px;
  height: 100px;
  background: var(--bg-elevated);
  border: 2px solid var(--border-accent);
  border-radius: var(--radius-full);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 2;
  box-shadow: var(--shadow-glow);
  animation: pulse 3s ease-in-out infinite;
}

.ecosystem-logo-text {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.ecosystem-logo-sub {
  font-size: 0.55rem;
  color: var(--text-muted);
  text-align: center;
  font-family: var(--font-mono);
}

@keyframes pulse {
  0%, 100% { box-shadow: var(--shadow-glow); }
  50%       { box-shadow: 0 0 50px rgba(37,99,235,0.40); }
}

.ecosystem-nodes {
  position: absolute;
  inset: 0;
}

/* Draw connection ring */
.ecosystem-diagram::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 260px;
  height: 260px;
  transform: translate(-50%, -50%);
  border: 1px dashed rgba(37,99,235,0.25);
  border-radius: var(--radius-full);
  animation: rotateSlow 20s linear infinite;
}

@keyframes rotateSlow {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to   { transform: translate(-50%, -50%) rotate(360deg); }
}

.ecosystem-node {
  position: absolute;
  width: 64px;
  height: 64px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--text-secondary);
  top: 50%;
  left: 50%;
  transition: border-color var(--duration), box-shadow var(--duration);
  /* orbit positioning */
  --r: 130px;
  transform:
    translate(-50%, -50%)
    rotate(var(--angle))
    translateX(var(--r))
    rotate(calc(-1 * var(--angle)));
}

.ecosystem-node:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
  color: var(--accent-light);
}

.ecosystem-node svg { width: 1.125rem; height: 1.125rem; }

/* ─── FEATURES GRID ──────────────────────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.feature-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: border-color var(--duration), box-shadow var(--duration),
              transform var(--duration);
}

.feature-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-card);
  transform: translateY(-3px);
}

.feature-card--highlight {
  grid-column: span 1;
  border-color: var(--border-accent);
  background: linear-gradient(135deg, rgba(37,99,235,0.06) 0%, var(--bg-elevated) 100%);
}

.feature-card--highlight:hover {
  box-shadow: var(--shadow-glow);
}

.feature-card-icon {
  width: 3rem;
  height: 3rem;
  background: var(--grad-accent);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.feature-card-icon svg { width: 1.375rem; height: 1.375rem; }

.feature-card h3 { font-size: 1.0625rem; }
.feature-card > p { font-size: 0.875rem; }

.feature-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: auto;
  padding-top: var(--space-2);
  border-top: 1px solid var(--border);
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.feature-list li svg { width: 0.875rem; height: 0.875rem; color: var(--success); flex-shrink: 0; }

/* IA Demo */
.ia-demo {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  background: rgba(0,0,0,0.30);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.ia-demo-prompt {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: 0.8125rem;
  color: var(--text-secondary);
  font-style: italic;
}

.ia-demo-prompt svg { width: 0.875rem; height: 0.875rem; color: var(--accent-light); flex-shrink: 0; margin-top: 2px; }

.ia-demo-response {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.75rem;
  color: var(--cyan-light);
  font-family: var(--font-mono);
}

.ia-demo-response svg { width: 0.75rem; height: 0.75rem; flex-shrink: 0; }

/* ─── TECHNOLOGY SECTION ─────────────────────────────────────── */
.tech-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

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

.tech-category {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.tech-category-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.tech-category-header svg { width: 1rem; height: 1rem; color: var(--accent-light); }

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

.tech-tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  transition: all var(--duration);
}

.tech-tag:hover {
  background: rgba(37,99,235,0.10);
  border-color: var(--border-accent);
  color: var(--accent-light);
}

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

.tech-diff {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.tech-diff-icon {
  width: 2.5rem;
  height: 2.5rem;
  flex-shrink: 0;
  background: rgba(6,182,212,0.10);
  border: 1px solid rgba(6,182,212,0.20);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
}

.tech-diff-icon svg { width: 1.125rem; height: 1.125rem; }

.tech-diff h3 { margin-bottom: var(--space-1); font-size: 1rem; }
.tech-diff p  { font-size: 0.875rem; }

/* ─── PROCESS STEPS ──────────────────────────────────────────── */
.process-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 760px;
  margin-inline: auto;
  counter-reset: none;
}

.process-step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: var(--space-6);
  position: relative;
  padding-bottom: var(--space-8);
  align-items: start;
}

.process-step:last-child { padding-bottom: 0; }

.process-step-number {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(37,99,235,0.20);
  line-height: 1;
  padding-top: var(--space-4);
  text-align: center;
}

.process-step-connector {
  position: absolute;
  left: 40px;
  top: 60px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, rgba(37,99,235,0.25), transparent);
}

.process-step-content {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  transition: border-color var(--duration), box-shadow var(--duration);
}

.process-step-content:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
}

.process-step-icon {
  width: 2.5rem;
  height: 2.5rem;
  background: var(--grad-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  margin-bottom: var(--space-4);
}

.process-step-icon svg { width: 1.125rem; height: 1.125rem; }

.process-step-content h3 { margin-bottom: var(--space-2); }
.process-step-content p  { font-size: 0.9rem; }

/* ─── BENEFITS GRID ──────────────────────────────────────────── */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-12);
}

.benefit-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  transition: border-color var(--duration), box-shadow var(--duration),
              transform var(--duration);
}

.benefit-card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow);
  transform: translateY(-3px);
}

.benefit-icon {
  width: 3.5rem;
  height: 3.5rem;
  background: rgba(37,99,235,0.10);
  border: 1px solid rgba(37,99,235,0.20);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-inline: auto;
  margin-bottom: var(--space-4);
  color: var(--accent-light);
  transition: background var(--duration), border-color var(--duration);
}

.benefit-card:hover .benefit-icon {
  background: rgba(37,99,235,0.18);
}

.benefit-icon svg { width: 1.375rem; height: 1.375rem; }

.benefit-card h3 { font-size: 1rem; margin-bottom: var(--space-2); }
.benefit-card p  { font-size: 0.875rem; }

/* Audience block */
.audience-block {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

.audience-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.audience-header svg { width: 1.25rem; height: 1.25rem; color: var(--accent-light); }

.audience-header h3 { font-size: 1.125rem; }

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

.audience-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-3);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-align: center;
  transition: all var(--duration);
}

.audience-item svg { width: 1.25rem; height: 1.25rem; color: var(--accent-light); }

.audience-item:hover {
  background: rgba(37,99,235,0.08);
  border-color: var(--border-accent);
  color: var(--text-primary);
}

/* ─── DIFFERENTIALS / COMPARE ────────────────────────────────── */
.diff-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  max-width: 900px;
  margin-inline: auto;
}

.diff-col {
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

.diff-col--bad {
  background: rgba(239,68,68,0.04);
  border: 1px solid rgba(239,68,68,0.20);
}

.diff-col--good {
  background: rgba(37,99,235,0.05);
  border: 1px solid var(--border-accent);
  box-shadow: var(--shadow-glow);
}

.diff-col-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border);
}

.diff-col--bad  .diff-col-header { color: #fca5a5; }
.diff-col--bad  .diff-col-header svg { color: var(--danger); }
.diff-col--good .diff-col-header { color: var(--accent-light); }
.diff-col--good .diff-col-header svg { color: var(--success); }

.diff-col-header svg { width: 1.125rem; height: 1.125rem; }

.diff-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.diff-col li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.diff-col li svg { width: 1rem; height: 1rem; flex-shrink: 0; }
.diff-col--bad  li svg { color: var(--danger); }
.diff-col--good li svg { color: var(--success); }
.diff-col--good li { color: var(--text-primary); }

/* ─── CTA SECTION ────────────────────────────────────────────── */
.cta-section {
  position: relative;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.cta-orb {
  position: absolute;
  border-radius: var(--radius-full);
  filter: blur(70px);
  opacity: 0.25;
}

.cta-orb--1 {
  width: 50vw;
  height: 50vw;
  max-width: 600px;
  max-height: 600px;
  background: radial-gradient(circle, rgba(37,99,235,0.7), transparent 70%);
  top: -30%;
  left: -15%;
}

.cta-orb--2 {
  width: 40vw;
  height: 40vw;
  max-width: 450px;
  max-height: 450px;
  background: radial-gradient(circle, rgba(6,182,212,0.5), transparent 70%);
  bottom: -20%;
  right: -10%;
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin-inline: auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.cta-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
}

.cta-desc { font-size: 1.0625rem; }

/* Form */
.cta-form {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  text-align: left;
  box-shadow: 0 20px 60px rgba(0,0,0,0.40);
}

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

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

.form-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-md);
  padding: 0.6875rem var(--space-4);
  font-size: 0.9375rem;
  color: var(--text-primary);
  transition: border-color var(--duration), box-shadow var(--duration),
              background var(--duration);
  width: 100%;
}

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

.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
  background: rgba(255,255,255,0.06);
}

.form-input:invalid:not(:placeholder-shown) {
  border-color: rgba(239,68,68,0.50);
}

.form-textarea { resize: vertical; min-height: 100px; }

.form-hint { font-size: 0.75rem; color: var(--text-muted); }

.form-privacy {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
}

.form-privacy svg { width: 0.875rem; height: 0.875rem; flex-shrink: 0; }

.cta-contact-alt {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.cta-contact-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
}

.cta-contact-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.875rem;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-full);
  transition: all var(--duration);
}

.cta-contact-link svg { width: 1rem; height: 1rem; }

.cta-contact-link:hover {
  color: var(--text-primary);
  border-color: var(--border-accent);
  background: rgba(255,255,255,0.04);
}

.cta-whatsapp-link {
  color: var(--success);
  border-color: rgba(34,197,94,0.25);
}

.cta-whatsapp-link:hover {
  background: rgba(34,197,94,0.08);
  border-color: rgba(34,197,94,0.45);
}

/* ─── FOOTER ─────────────────────────────────────────────────── */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding-block: var(--space-16) var(--space-8);
}

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

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

.footer-tagline {
  font-size: 0.875rem;
  color: var(--text-muted);
  max-width: 280px;
}

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

.footer-contact a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--duration);
}

.footer-contact a:hover { color: var(--accent-light); }

.footer-nav {
  display: flex;
  gap: var(--space-16);
}

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

.footer-nav-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.footer-nav-group ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-nav-group a {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--duration);
}

.footer-nav-group a:hover { color: var(--text-primary); }

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

.footer-copy,
.footer-website {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-website a {
  color: var(--accent-light);
  transition: color var(--duration);
}

.footer-website a:hover { color: var(--accent); }

/* ─── BACK TO TOP ────────────────────────────────────────────── */
.back-to-top {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 2.75rem;
  height: 2.75rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  box-shadow: 0 4px 16px rgba(0,0,0,0.40);
  transition: all var(--duration);
  z-index: 50;
}

.back-to-top[hidden] { display: none; }

.back-to-top:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}

.back-to-top svg { width: 1.125rem; height: 1.125rem; }

/* ─── SCROLL REVEAL ANIMATIONS ───────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.65s var(--ease-out),
    transform 0.65s var(--ease-out);
}

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

/* Stagger children */
.reveal:nth-child(2) { transition-delay: 0.08s; }
.reveal:nth-child(3) { transition-delay: 0.16s; }
.reveal:nth-child(4) { transition-delay: 0.24s; }
.reveal:nth-child(5) { transition-delay: 0.32s; }
.reveal:nth-child(6) { transition-delay: 0.40s; }

/* ─── RESPONSIVE — TABLET ────────────────────────────────────── */
@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    max-width: 640px;
  }

  .hero-visual { display: none; }

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

  .solucao-layout,
  .problema-layout,
  .tech-layout {
    grid-template-columns: 1fr;
  }

  .solucao-visual { display: none; }

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

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

  .footer-nav { gap: var(--space-12); }
}

/* ─── RESPONSIVE — MOBILE ────────────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --space-24: 4rem;
    --space-16: 3rem;
  }

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

  .nav-mobile-toggle { display: flex; }

  .hero {
    min-height: auto;
    padding-top: calc(var(--nav-height) + var(--space-12));
    padding-bottom: var(--space-16);
  }

  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }

  .hero-stats {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }

  .hero-stat-divider { display: none; }

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

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

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

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

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

  .footer-nav { flex-direction: column; gap: var(--space-6); }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-3);
    text-align: center;
  }

  .process-step {
    grid-template-columns: 48px 1fr;
    gap: var(--space-3);
  }

  .process-step-number {
    font-size: 1.5rem;
    padding-top: var(--space-5);
  }

  .process-step-connector { left: 24px; }
}

@media (max-width: 480px) {
  .benefits-grid { grid-template-columns: 1fr; }
  .audience-grid { grid-template-columns: repeat(2, 1fr); }
  .diff-compare   { grid-template-columns: 1fr; }
  .hero-stat-value { font-size: 1rem; }
  .cta-form { padding: var(--space-5); }
  .diff-col { padding: var(--space-5); }
}

/* ─── PRINT ──────────────────────────────────────────────────── */
@media print {
  .nav-header,
  .back-to-top,
  .hero-bg,
  .cta-bg { display: none; }
  body { background: #fff; color: #000; }
}