/* ═══════════════════════════════════════════════════════════════
   ATLAS TECH — LANDING PAGE STYLES
   Design System: Dark Mode · Glassmorphism · High-Tech
═══════════════════════════════════════════════════════════════ */

/* ───────────────────────────────────────────
   1. DESIGN TOKENS (CSS Variables)
─────────────────────────────────────────── */
:root {
  /* Cores base */
  --bg:            #050505;
  --bg-2:          #090910;
  --bg-3:          #0e0e18;

  /* Glassmorphism */
  --glass:         rgba(255, 255, 255, 0.04);
  --glass-md:      rgba(255, 255, 255, 0.06);
  --glass-lg:      rgba(255, 255, 255, 0.09);
  --glass-border:  rgba(255, 255, 255, 0.07);
  --glass-border-hover: rgba(255, 255, 255, 0.15);

  /* Accent */
  --accent:        #6366f1;
  --accent-2:      #8b5cf6;
  --accent-cyan:   #06b6d4;
  --accent-green:  #10b981;

  /* Gradiente principal */
  --grad:          linear-gradient(135deg, #6366f1, #8b5cf6, #06b6d4);
  --grad-text:     linear-gradient(135deg, #818cf8 0%, #a78bfa 50%, #22d3ee 100%);
  --grad-glow:     radial-gradient(ellipse at center, rgba(99,102,241,.25) 0%, transparent 70%);

  /* Texto */
  --text:          #f1f5f9;
  --text-secondary:#94a3b8;
  --text-muted:    #475569;

  /* Bordas */
  --border:        rgba(255,255,255,0.07);
  --border-accent: rgba(99,102,241,0.35);

  /* Sombras e glow */
  --shadow-sm:     0 1px 3px rgba(0,0,0,.5);
  --shadow-md:     0 4px 16px rgba(0,0,0,.6);
  --shadow-lg:     0 8px 40px rgba(0,0,0,.7);
  --glow-accent:   0 0 24px rgba(99,102,241,.4), 0 0 60px rgba(99,102,241,.15);
  --glow-cyan:     0 0 24px rgba(6,182,212,.3);

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

  /* Espaçamento */
  --space-1:       0.25rem;
  --space-2:       0.5rem;
  --space-3:       0.75rem;
  --space-4:       1rem;
  --space-6:       1.5rem;
  --space-8:       2rem;
  --space-12:      3rem;
  --space-16:      4rem;
  --space-20:      5rem;
  --space-24:      6rem;
  --space-32:      8rem;

  /* Border radius */
  --r-sm:          6px;
  --r-md:          10px;
  --r-lg:          16px;
  --r-xl:          24px;
  --r-2xl:         32px;
  --r-full:        9999px;

  /* Transições */
  --ease:          cubic-bezier(.4, 0, .2, 1);
  --ease-spring:   cubic-bezier(.34, 1.56, .64, 1);
  --dur-fast:      150ms;
  --dur-base:      250ms;
  --dur-slow:      400ms;

  /* Layout */
  --max-w:         1200px;
  --nav-h:         72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

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

/* Canvas de partículas — atrás de tudo */
#particles-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ───────────────────────────────────────────
   3. UTILITÁRIOS
─────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--space-6);
  position: relative;
  z-index: 1;
}

.section {
  padding: var(--space-32) 0;
  position: relative;
  z-index: 1;
}

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

.section-tag {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(99,102,241,.1);
  border: 1px solid rgba(99,102,241,.25);
  padding: 4px 14px;
  border-radius: var(--r-full);
  margin-bottom: var(--space-4);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-16);
}

.section-title {
  font-size: clamp(var(--fs-3xl), 4vw, var(--fs-5xl));
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.03em;
  margin-bottom: var(--space-4);
}

.section-sub {
  font-size: var(--fs-lg);
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ───────────────────────────────────────────
   4. BOTÕES
─────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: .01em;
  padding: 10px 22px;
  border-radius: var(--r-md);
  transition: all var(--dur-base) var(--ease);
  position: relative;
  white-space: nowrap;
}

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 2px 16px rgba(99,102,241,.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 24px rgba(99,102,241,.55), 0 0 0 1px rgba(99,102,241,.4);
}

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

.btn-ghost {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  backdrop-filter: blur(8px);
}

.btn-ghost:hover {
  background: var(--glass-md);
  border-color: var(--glass-border-hover);
  color: var(--text);
}

.btn-lg { padding: 14px 32px; font-size: var(--fs-base); border-radius: var(--r-lg); }
.btn-full { width: 100%; }

/* ───────────────────────────────────────────
   5. NAVBAR
─────────────────────────────────────────── */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: background var(--dur-slow) var(--ease),
              backdrop-filter var(--dur-slow) var(--ease),
              border-color var(--dur-slow) var(--ease),
              box-shadow var(--dur-slow) var(--ease);
  border-bottom: 1px solid transparent;
}

#navbar.scrolled {
  background: rgba(5,5,5,.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom-color: var(--border);
  box-shadow: 0 1px 0 rgba(255,255,255,.04), var(--shadow-md);
}

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

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

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

.logo-text {
  font-size: var(--fs-xl);
  font-weight: 800;
  letter-spacing: -.03em;
  color: var(--text);
}

.logo-accent { color: var(--accent-cyan); }

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex: 1;
  justify-content: center;
}

.nav-link {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: var(--r-md);
  transition: all var(--dur-base) var(--ease);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 60%;
  height: 1px;
  background: var(--grad);
  border-radius: var(--r-full);
  transition: transform var(--dur-base) var(--ease-spring);
}

.nav-link:hover { color: var(--text); }
.nav-link:hover::after { transform: translateX(-50%) scaleX(1); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: var(--r-sm);
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: var(--r-full);
  transition: all var(--dur-base) var(--ease);
}

/* ───────────────────────────────────────────
   6. HERO SECTION
─────────────────────────────────────────── */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: calc(var(--nav-h) + var(--space-16)) var(--space-6) var(--space-24);
  position: relative;
  z-index: 1;
  gap: var(--space-6);
}

/* Fundo: grade sutil */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99,102,241,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 100%);
  pointer-events: none;
}

/* Glow central */
.hero::after {
  content: '';
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(99,102,241,.12) 0%, rgba(139,92,246,.06) 40%, transparent 70%);
  pointer-events: none;
  filter: blur(1px);
}

/* Hero badge */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  padding: 6px 16px;
  border-radius: var(--r-full);
  backdrop-filter: blur(8px);
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-green);
  box-shadow: 0 0 6px var(--accent-green);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: .7; transform: scale(1.3); }
}

/* Título hero */
.hero-title {
  font-size: clamp(var(--fs-4xl), 7vw, var(--fs-7xl));
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.05em;
  max-width: 14ch;
  position: relative;
  z-index: 1;
}

.hero-sub {
  font-size: clamp(var(--fs-base), 2vw, var(--fs-xl));
  color: var(--text-secondary);
  max-width: 56ch;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

/* CTA buttons */
.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: center;
  position: relative;
  z-index: 1;
}

/* Stats */
.hero-stats {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  margin-top: var(--space-6);
  position: relative;
  z-index: 1;
}

.stat { text-align: center; }

.stat-value {
  display: block;
  font-size: var(--fs-3xl);
  font-weight: 800;
  letter-spacing: -.04em;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.stat-label {
  display: block;
  font-size: var(--fs-xs);
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: .04em;
  text-transform: uppercase;
  margin-top: 2px;
}

.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--border);
}

/* Scroll hint */
.hero-scroll-hint {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  opacity: .4;
  font-size: var(--fs-xs);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, transparent, var(--text-muted));
  animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {
  0%, 100% { transform: scaleY(1); opacity: 1; }
  50%       { transform: scaleY(1.3); opacity: .5; }
}

/* ───────────────────────────────────────────
   7. DIVISOR HERO → FEATURES
─────────────────────────────────────────── */
.section-divider {
  position: relative;
  z-index: 1;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(99,102,241,.35) 30%,
    rgba(6,182,212,.35) 70%,
    transparent 100%
  );
  margin: 0 auto;
  max-width: 800px;
}

/* ───────────────────────────────────────────
   8. FEATURES / SOLUÇÕES
─────────────────────────────────────────── */
.features-section {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-4);
}

.feature-card {
  position: relative;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-xl);
  padding: var(--space-8);
  transition: all var(--dur-slow) var(--ease);
  overflow: hidden;
  cursor: default;
}

/* Glow de hover — pseudo-elemento posicionado pelo JS */
.feature-card .card-glow {
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--dur-slow) var(--ease);
  background: conic-gradient(
    from var(--angle, 0deg) at var(--mx, 50%) var(--my, 50%),
    transparent 0deg,
    rgba(99,102,241,.6) 60deg,
    rgba(139,92,246,.4) 120deg,
    rgba(6,182,212,.5) 180deg,
    transparent 240deg
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  padding: 1px;
  pointer-events: none;
}

.feature-card:hover { background: var(--glass-md); transform: translateY(-4px); }
.feature-card:hover .card-glow { opacity: 1; }

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(99,102,241,.1);
  border: 1px solid rgba(99,102,241,.2);
  border-radius: var(--r-lg);
  color: var(--accent);
  margin-bottom: var(--space-6);
  transition: all var(--dur-base) var(--ease);
}

.card-icon svg { width: 22px; height: 22px; }

.feature-card:hover .card-icon {
  background: rgba(99,102,241,.2);
  border-color: rgba(99,102,241,.4);
  color: #818cf8;
  box-shadow: 0 0 16px rgba(99,102,241,.3);
}

.card-title {
  font-size: var(--fs-lg);
  font-weight: 700;
  letter-spacing: -.02em;
  margin-bottom: var(--space-2);
  color: var(--text);
}

.card-desc {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: var(--space-4);
}

.card-arrow {
  font-size: var(--fs-lg);
  color: var(--text-muted);
  transition: all var(--dur-base) var(--ease-spring);
}

.feature-card:hover .card-arrow {
  color: var(--accent);
  transform: translateX(4px);
}

/* ───────────────────────────────────────────
   9. PRODUTOS — TRIO
─────────────────────────────────────────── */
.products-section {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.products-trio {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  align-items: stretch;
}

/* ── Card ── */
.trio-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-2xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--dur-slow) var(--ease),
              border-color var(--dur-slow) var(--ease),
              background var(--dur-slow) var(--ease);
}

.trio-card:hover {
  transform: translateY(-6px);
  border-color: var(--glass-border-hover);
  background: var(--glass-md);
}

.trio-card--featured {
  border-color: rgba(16,185,129,.22);
  background: rgba(16,185,129,.03);
}

.trio-card--featured:hover { border-color: rgba(16,185,129,.45); }

/* ── Visual area ── */
.trio-visual {
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.trio-visual--municipal {
  background: linear-gradient(145deg, rgba(99,102,241,.12), rgba(6,182,212,.06));
  border-bottom: 1px solid rgba(99,102,241,.12);
}

.trio-visual--agri {
  background: linear-gradient(145deg, rgba(16,185,129,.12), rgba(6,182,212,.08));
  border-bottom: 1px solid rgba(16,185,129,.15);
}

.trio-visual--app {
  background: linear-gradient(145deg, rgba(139,92,246,.12), rgba(16,185,129,.06));
  border-bottom: 1px solid rgba(139,92,246,.12);
}

.trio-icon-wrap {
  width: 72px;
  height: 72px;
  color: var(--text-secondary);
  opacity: .8;
  transition: opacity var(--dur-base) var(--ease), transform var(--dur-base) var(--ease-spring);
}

.trio-card:hover .trio-icon-wrap { opacity: 1; transform: scale(1.08); }

.trio-icon-wrap svg { width: 100%; height: 100%; }

/* ── Info ── */
.trio-info {
  padding: var(--space-6) var(--space-6) var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  flex: 1;
}

/* Tags de produto */
.product-tag {
  display: inline-block;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(99,102,241,.1);
  border: 1px solid rgba(99,102,241,.2);
  padding: 4px 12px;
  border-radius: var(--r-full);
  align-self: flex-start;
}

.product-tag--green { color: var(--accent-green); background: rgba(16,185,129,.1); border-color: rgba(16,185,129,.22); }
.product-tag--app   { color: var(--accent-2);     background: rgba(139,92,246,.1); border-color: rgba(139,92,246,.22); }

.product-name {
  font-size: var(--fs-xl);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.2;
}

.product-desc {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  line-height: 1.7;
  flex: 1;
}

.product-features {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: var(--space-2);
}

.product-features li {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}

.product-features li::before {
  content: '✦';
  color: var(--accent);
  font-size: 9px;
  margin-top: 4px;
  flex-shrink: 0;
}

/* ───────────────────────────────────────────
   10. SOBRE
─────────────────────────────────────────── */
.about-section { background: var(--bg); }

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

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

.about-desc {
  font-size: var(--fs-base);
  color: var(--text-secondary);
  line-height: 1.8;
}

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

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

.pillar-icon {
  font-size: var(--fs-xl);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-md);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  flex-shrink: 0;
}

.pillar strong {
  display: block;
  font-size: var(--fs-base);
  font-weight: 600;
  margin-bottom: 2px;
}

.pillar p {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  margin: 0;
}

/* Card stack de métricas */
.about-visual { display: flex; align-items: center; justify-content: center; }

.about-card-stack {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  width: 100%;
  max-width: 400px;
}

.about-metric-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-xl);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  transition: all var(--dur-slow) var(--ease);
}

.about-metric-card:hover {
  background: var(--glass-md);
  border-color: var(--border-accent);
  transform: translateY(-3px);
}

.about-metric-card--wide { grid-column: 1 / -1; }

.metric-num {
  font-size: var(--fs-4xl);
  font-weight: 900;
  letter-spacing: -.05em;
  line-height: 1;
}

.metric-label {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  font-weight: 500;
  line-height: 1.4;
}

/* ───────────────────────────────────────────
   11. CTA SECTION
─────────────────────────────────────────── */
.cta-section {
  background: var(--bg-3);
  border-top: 1px solid var(--border);
}

.cta-box {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-2xl);
  padding: var(--space-16) var(--space-8);
  position: relative;
  overflow: hidden;
}

.cta-glow {
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 300px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(99,102,241,.2) 0%, transparent 70%);
  pointer-events: none;
}

.cta-title {
  font-size: clamp(var(--fs-3xl), 4vw, var(--fs-4xl));
  font-weight: 800;
  letter-spacing: -.04em;
  line-height: 1.15;
  margin-bottom: var(--space-4);
  position: relative;
  z-index: 1;
}

.cta-sub {
  font-size: var(--fs-base);
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
  position: relative;
  z-index: 1;
}

/* ── WhatsApp CTA ── */
.btn-whatsapp {
  background: #25d366;
  color: #fff;
  gap: var(--space-3);
  box-shadow: 0 2px 20px rgba(37,211,102,.35);
  font-size: var(--fs-lg);
  font-weight: 700;
  padding: 16px 44px;
  border-radius: var(--r-xl);
  position: relative;
  z-index: 1;
  margin-bottom: var(--space-4);
}

.btn-whatsapp:hover {
  background: #20ba5a;
  transform: translateY(-3px);
  box-shadow: 0 6px 30px rgba(37,211,102,.55);
}

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

.whatsapp-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}

.cta-note {
  font-size: var(--fs-xs);
  color: var(--text-muted);
  position: relative;
  z-index: 1;
}

/* ───────────────────────────────────────────
   12. FOOTER
─────────────────────────────────────────── */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: var(--space-16) 0 var(--space-8);
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

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

.footer-tagline {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 220px;
}

.social-links {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-md);
  color: var(--text-muted);
  transition: all var(--dur-base) var(--ease);
}

.social-link:hover {
  background: rgba(99,102,241,.1);
  border-color: var(--border-accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.social-link svg { width: 16px; height: 16px; }

.footer-col-title {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text);
  margin-bottom: var(--space-4);
  letter-spacing: .02em;
}

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

.footer-links a {
  font-size: var(--fs-sm);
  color: var(--text-muted);
  transition: color var(--dur-base) var(--ease);
}

.footer-links a:hover { color: var(--text-secondary); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.footer-copy {
  font-size: var(--fs-xs);
  color: var(--text-muted);
}

/* ───────────────────────────────────────────
   13. SCROLL REVEAL ANIMATIONS
─────────────────────────────────────────── */
.reveal-up,
.reveal-left,
.reveal-right {
  opacity: 0;
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}

.reveal-up    { transform: translateY(32px); }
.reveal-left  { transform: translateX(-32px); }
.reveal-right { transform: translateX(32px); }

.reveal-up.visible,
.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* Delay escalonado para children */
.features-grid .feature-card:nth-child(1) { transition-delay: 0ms; }
.features-grid .feature-card:nth-child(2) { transition-delay: 60ms; }
.features-grid .feature-card:nth-child(3) { transition-delay: 120ms; }
.features-grid .feature-card:nth-child(4) { transition-delay: 180ms; }
.features-grid .feature-card:nth-child(5) { transition-delay: 240ms; }
.features-grid .feature-card:nth-child(6) { transition-delay: 300ms; }
.features-grid .feature-card:nth-child(7) { transition-delay: 360ms; }
.features-grid .feature-card:nth-child(8) { transition-delay: 420ms; }

/* ───────────────────────────────────────────
   14. RESPONSIVO
─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .products-trio { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .about-grid { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  :root { --nav-h: 64px; }

  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(5,5,5,.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: var(--space-6);
    gap: var(--space-1);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all var(--dur-slow) var(--ease);
    z-index: 999;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav-link { padding: 14px 16px; width: 100%; border-radius: var(--r-md); }
  .nav-link::after { display: none; }

  .hamburger { display: flex; }

  .hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; transform: scaleX(0); }
  .hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .hero-stats { gap: var(--space-4); flex-wrap: wrap; justify-content: center; }
  .stat-divider { display: none; }

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

  .about-card-stack { max-width: 100%; }

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

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

  .product-visual { min-height: 260px; }

  .cta-box { padding: var(--space-8) var(--space-6); }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; width: 100%; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-stats { gap: var(--space-6); }
  .features-grid { gap: var(--space-3); }
  .section { padding: var(--space-20) 0; }
  .btn-whatsapp { width: 100%; justify-content: center; padding: 16px 24px; }
  .products-trio { max-width: 100%; }
}

/* ───────────────────────────────────────────
   15. SCROLLBAR customizada
─────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: rgba(99,102,241,.35);
  border-radius: var(--r-full);
}
::-webkit-scrollbar-thumb:hover { background: rgba(99,102,241,.6); }

/* ───────────────────────────────────────────
   16. SELECTION
─────────────────────────────────────────── */
::selection {
  background: rgba(99,102,241,.35);
  color: var(--text);
}