/* ===================================
   LOGIC CAT — CSS Premium
   Dark Mode · Neon Green · Medellín
   =================================== */

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

:root {
  --green: #7AFF00;
  --green-dim: #5BC400;
  --green-glow: rgba(122, 255, 0, 0.25);
  --green-glow-strong: rgba(122, 255, 0, 0.5);
  --bg: #080808;
  --bg-card: #111111;
  --bg-card2: #161616;
  --bg-glass: rgba(255,255,255,0.04);
  --border: rgba(255,255,255,0.08);
  --border-green: rgba(122,255,0,0.3);
  --text: #FFFFFF;
  --text-muted: #888888;
  --text-dim: #CCCCCC;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-green: 0 0 40px rgba(122,255,0,0.15);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

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

/* ---- CANVAS PARTICLES ---- */
#particles-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.4;
}

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--green-dim); border-radius: 3px; }

/* ---- NAVBAR ---- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all var(--transition);
}

.navbar.scrolled {
  background: rgba(8, 8, 8, 0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none;
}

.logo-icon { font-size: 26px; }

.logo-text {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--text);
}

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

.nav-links {
  display: flex; align-items: center; gap: 8px;
  list-style: none;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: all var(--transition);
}

.nav-link:hover { color: var(--text); background: var(--bg-glass); }

.nav-cta {
  color: var(--bg);
  background: var(--green);
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  letter-spacing: 0.3px;
}

.nav-cta:hover {
  background: #fff;
  box-shadow: 0 0 20px var(--green-glow-strong);
  transform: translateY(-1px);
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

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

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 120px 24px 80px;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-glass);
  border: 1px solid var(--border-green);
  border-radius: 50px;
  padding: 8px 18px;
  font-size: 13px;
  color: var(--green);
  font-weight: 500;
  margin-bottom: 28px;
  width: fit-content;
  animation: fadeSlideDown 0.8s ease forwards;
}

.badge-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.2); }
}

.hero-title {
  font-size: clamp(38px, 5vw, 64px);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 24px;
  animation: fadeSlideUp 0.9s 0.1s ease both;
}

.title-gradient {
  background: linear-gradient(135deg, var(--green) 0%, #00FF88 50%, #00DDFF 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-dim);
  max-width: 520px;
  margin-bottom: 40px;
  line-height: 1.7;
  animation: fadeSlideUp 0.9s 0.2s ease both;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-bottom: 40px;
  animation: fadeSlideUp 0.9s 0.3s ease both;
}

.stat-item { text-align: left; }

.stat-num {
  font-size: 36px;
  font-weight: 900;
  color: var(--green);
  font-family: var(--font-mono);
}

.stat-suffix { font-size: 24px; font-weight: 700; color: var(--green); }

.stat-label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 2px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-divider {
  width: 1px; height: 40px;
  background: var(--border);
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  animation: fadeSlideUp 0.9s 0.4s ease both;
}

/* ---- BUTTONS ---- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--green);
  color: var(--bg);
  font-family: var(--font);
  font-size: 15px;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.15);
  opacity: 0;
  transition: opacity var(--transition);
}

.btn-primary:hover::before { opacity: 1; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px var(--green-glow-strong); }
.btn-primary svg { transition: transform var(--transition); }
.btn-primary:hover svg { transform: translateX(4px); }
.btn-primary.full-width { width: 100%; justify-content: center; }
.btn-primary.small { padding: 10px 20px; font-size: 13px; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-dim);
  font-family: var(--font);
  font-size: 15px;
  font-weight: 500;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all var(--transition);
}

.btn-secondary:hover {
  border-color: var(--green);
  color: var(--green);
  background: var(--green-glow);
}

/* ---- HERO VISUAL ---- */
.hero-visual {
  position: relative;
  animation: fadeSlideLeft 1s 0.2s ease both;
}

.hero-terminal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-green), 0 30px 60px rgba(0,0,0,0.5);
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: var(--bg-card2);
  border-bottom: 1px solid var(--border);
}

.t-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}

.t-dot.red { background: #FF5F57; }
.t-dot.yellow { background: #FFBD2E; }
.t-dot.green { background: #28CA41; }

.t-title {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
}

.terminal-body {
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 2;
}

.t-line { display: flex; align-items: center; gap: 10px; color: var(--text-dim); }
.t-green { color: var(--green); }

.cursor {
  animation: blink 1s infinite;
  color: var(--green);
}

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

.hero-card-float {
  position: absolute;
  top: -24px; right: -24px;
  background: var(--bg-card2);
  border: 1px solid var(--border-green);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-green);
  animation: floatCard 3s ease-in-out infinite;
  z-index: 2;
}

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

.float-card-icon { font-size: 22px; }
.float-card-text { display: flex; flex-direction: column; }
.float-card-text strong { font-size: 13px; font-weight: 700; color: var(--green); }
.float-card-text span { font-size: 12px; color: var(--text-muted); }

.hero-scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: fadeSlideUp 1s 0.6s ease both;
}

.scroll-line {
  width: 1px; height: 50px;
  background: linear-gradient(to bottom, var(--green), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ---- SECTIONS ---- */
.section { padding: 100px 0; position: relative; z-index: 1; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

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

.section-tag {
  display: inline-block;
  background: var(--green-glow);
  color: var(--green);
  border: 1px solid var(--border-green);
  border-radius: 50px;
  padding: 5px 16px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}

.accent { color: var(--green); }

.section-desc {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* ---- SERVICES ---- */
.services-tier { margin-bottom: 52px; }

.tier-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 20px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

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

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
  transition: all var(--transition);
  cursor: default;
}

.service-card:hover {
  border-color: var(--border-green);
  transform: translateY(-4px);
  box-shadow: var(--shadow-green);
}

.service-card.featured {
  border-color: var(--border-green);
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(122,255,0,0.05) 100%);
}

.featured-badge {
  position: absolute;
  top: 16px; right: 16px;
  background: var(--green);
  color: var(--bg);
  font-size: 11px;
  font-weight: 800;
  padding: 4px 12px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.service-icon {
  font-size: 36px;
  margin-bottom: 16px;
  display: block;
}

.service-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}

.service-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 18px;
}

.service-features {
  list-style: none;
  margin-bottom: 24px;
}

.service-features li {
  font-size: 13px;
  color: var(--text-dim);
  padding: 4px 0;
}

.service-cta {
  display: inline-flex;
  align-items: center;
  color: var(--green);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: gap var(--transition);
  gap: 4px;
}

.service-cta:hover { gap: 10px; }

.service-big p { margin-bottom: 28px; }

/* ---- PROCESS ---- */
.process { background: var(--bg-card); }

.process-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  position: relative;
}

.process-connector {
  flex: 1;
  height: 2px;
  background: linear-gradient(to right, var(--border-green), transparent);
  margin-top: 36px;
}

.process-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex: 0 0 200px;
}

.step-number {
  width: 56px; height: 56px;
  background: var(--green);
  color: var(--bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 900;
  font-family: var(--font-mono);
  margin-bottom: 20px;
  flex-shrink: 0;
  box-shadow: 0 0 20px var(--green-glow);
}

.step-content h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
}

.step-content p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 12px;
}

.step-detail {
  font-size: 12px;
  color: var(--green);
  font-weight: 600;
  background: var(--green-glow);
  padding: 5px 12px;
  border-radius: 50px;
}

/* ---- WHY US ---- */
.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.why-desc {
  font-size: 17px;
  color: var(--text-muted);
  margin-bottom: 36px;
  line-height: 1.7;
}

.why-points { display: flex; flex-direction: column; gap: 24px; }

.why-point {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.why-icon {
  font-size: 28px;
  flex-shrink: 0;
  width: 52px; height: 52px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.why-point:hover .why-icon {
  border-color: var(--border-green);
  box-shadow: var(--shadow-green);
}

.why-point strong { display: block; font-size: 16px; margin-bottom: 4px; }
.why-point p { font-size: 14px; color: var(--text-muted); margin: 0; }

.why-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all var(--transition);
}

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

.metric-card.highlight {
  background: var(--green);
  border-color: var(--green);
}

.metric-num {
  font-size: 38px;
  font-weight: 900;
  color: var(--green);
  font-family: var(--font-mono);
  margin-bottom: 8px;
}

.metric-card.highlight .metric-num { color: var(--bg); }
.metric-card.highlight .metric-label { color: rgba(0,0,0,0.7); }

.metric-label {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ---- TECH ---- */
.tech-section { background: var(--bg-card); }

.tech-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}

.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  text-align: center;
  transition: all var(--transition);
  cursor: default;
}

.tech-item:hover {
  border-color: var(--border-green);
  color: var(--text);
  transform: translateY(-3px);
  box-shadow: var(--shadow-green);
}

.tech-logo { font-size: 26px; }

/* ---- ROI CALCULATOR ---- */
.roi-section {
  background: linear-gradient(135deg, rgba(122,255,0,0.03) 0%, rgba(0,0,0,0) 100%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.roi-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.roi-left p {
  font-size: 17px;
  color: var(--text-muted);
  margin-top: 16px;
  line-height: 1.7;
}

.roi-calculator {
  background: var(--bg-card);
  border: 1px solid var(--border-green);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow-green);
}

.calc-field { margin-bottom: 28px; }

.calc-field label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 12px;
}

.calc-field input[type="range"] {
  width: 100%;
  -webkit-appearance: none;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.calc-field input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--green);
  cursor: pointer;
  box-shadow: 0 0 10px var(--green-glow-strong);
  transition: transform var(--transition);
}

.calc-field input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.2); }

.calc-value {
  font-size: 13px;
  color: var(--green);
  font-weight: 700;
  margin-top: 8px;
  text-align: right;
}

.calc-result {
  background: var(--bg-card2);
  border: 1px solid var(--border-green);
  border-radius: var(--radius-sm);
  padding: 20px;
  text-align: center;
  margin-bottom: 24px;
}

.result-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.result-num {
  font-size: 36px;
  font-weight: 900;
  color: var(--green);
  font-family: var(--font-mono);
  margin-bottom: 6px;
}

.result-sub {
  font-size: 12px;
  color: var(--text-muted);
}

/* ---- TESTIMONIALS ---- */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-green);
  border-radius: var(--radius);
  padding: 36px;
  position: relative;
  box-shadow: var(--shadow-green);
}

.testimonial-quote {
  font-size: 80px;
  line-height: 0.5;
  color: var(--green);
  margin-bottom: 20px;
  font-family: Georgia, serif;
}

.testimonial-text {
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-dim);
  margin-bottom: 28px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.author-avatar { font-size: 36px; }
.testimonial-author strong { display: block; font-size: 15px; }
.testimonial-author span { font-size: 13px; color: var(--text-muted); }

.testimonial-tag {
  display: inline-block;
  background: var(--green-glow);
  color: var(--green);
  border: 1px solid var(--border-green);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 50px;
}

.testimonial-placeholder {
  background: var(--bg-card);
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 16px;
  transition: all var(--transition);
}

.testimonial-placeholder:hover { border-color: var(--border-green); }
.placeholder-icon { font-size: 48px; }
.testimonial-placeholder p { font-size: 16px; color: var(--text-muted); }

/* ---- CONTACT ---- */
.contact {
  background: linear-gradient(180deg, var(--bg) 0%, rgba(122,255,0,0.03) 100%);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact-left p {
  font-size: 17px;
  color: var(--text-muted);
  margin-bottom: 36px;
  line-height: 1.7;
}

.contact-options { display: flex; flex-direction: column; gap: 16px; }

.contact-option {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px 20px;
  text-decoration: none;
  transition: all var(--transition);
  color: inherit;
}

.contact-option:hover {
  border-color: var(--border-green);
  box-shadow: var(--shadow-green);
}

.contact-option-icon { font-size: 28px; flex-shrink: 0; }
.contact-option strong { display: block; font-size: 15px; margin-bottom: 2px; }
.contact-option span { font-size: 13px; color: var(--text-muted); }

.contact-form-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
}

.contact-form h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 28px;
}

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  outline: none;
  transition: all var(--transition);
}

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

.form-group select option { background: var(--bg-card); }
.form-group textarea { resize: vertical; }

.form-privacy {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  margin-top: 14px;
}

.form-success {
  text-align: center;
  padding: 40px 20px;
}

.success-icon { font-size: 60px; margin-bottom: 20px; }
.form-success h3 { font-size: 24px; margin-bottom: 12px; color: var(--green); }
.form-success p { color: var(--text-muted); }

/* ---- FOOTER ---- */
.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 72px 0 32px;
  z-index: 1;
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 56px;
}

.footer-logo {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 14px;
}

.footer-logo span { color: var(--green); }

.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

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

.footer-social a {
  width: 38px; height: 38px;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  text-decoration: none;
  transition: all var(--transition);
}

.footer-social a:hover {
  border-color: var(--border-green);
  box-shadow: var(--shadow-green);
}

.footer-links h4 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 18px;
}

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

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  transition: color var(--transition);
}

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

.footer-contact h4 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 18px;
}

.footer-contact p {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.footer-contact .btn-primary { margin-top: 16px; }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--text-muted);
}

/* ---- WHATSAPP FAB ---- */
.whatsapp-fab {
  position: fixed;
  bottom: 28px; right: 28px;
  z-index: 999;
  width: 58px; height: 58px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: all var(--transition);
  position: fixed;
}

.whatsapp-fab:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

.fab-tooltip {
  position: absolute;
  right: 68px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 8px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.whatsapp-fab:hover .fab-tooltip { opacity: 1; }

/* ---- ANIMATIONS ---- */
@keyframes fadeSlideDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeSlideLeft {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; gap: 48px; padding-top: 100px; }
  .hero-visual { order: -1; max-width: 500px; margin: 0 auto; }
  .hero-content { text-align: center; }
  .hero-badge { margin: 0 auto 28px; }
  .hero-stats { justify-content: center; }
  .hero-actions { justify-content: center; }
  .hero-scroll { display: none; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .tech-grid { grid-template-columns: repeat(4, 1fr); }
  .why-grid { grid-template-columns: 1fr; gap: 48px; }
  .roi-wrapper { grid-template-columns: 1fr; gap: 48px; }
  .contact-wrapper { grid-template-columns: 1fr; gap: 48px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .process-steps { flex-direction: column; align-items: flex-start; }
  .process-step { flex-direction: row; text-align: left; gap: 20px; flex: none; width: 100%; }
  .process-connector { width: 2px; height: 30px; background: linear-gradient(to bottom, var(--border-green), transparent); margin: 0 27px; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 70px; left: 0; right: 0;
    background: rgba(8,8,8,0.97);
    backdrop-filter: blur(20px);
    padding: 20px;
    border-bottom: 1px solid var(--border);
    gap: 4px;
  }
  .services-grid { grid-template-columns: 1fr; }
  .services-grid-big { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: repeat(3, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .stat-divider { display: none; }
  .why-metrics { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-title { font-size: 32px; }
  .hero-actions { flex-direction: column; width: 100%; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
}