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

:root {
  --bg: #0a0a0a;
  --bg-2: #111111;
  --bg-3: #1a1a1a;
  --text: #f0f0f0;
  --text-muted: #888;
  --accent: #e8ff3c;
  --accent-dark: #c8df00;
  --border: rgba(255,255,255,0.08);
  --white: #fff;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 24px 64px rgba(0,0,0,0.4);
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

/* ===========================
   UTILITIES
=========================== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

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

.section-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(232,255,60,0.08);
  border: 1px solid rgba(232,255,60,0.2);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}

.section-sub {
  color: var(--text-muted);
  font-size: 17px;
  margin-top: 16px;
}

h1, h2, h3 { font-family: var(--font-display); line-height: 1.15; }

h2 { font-size: clamp(2rem, 5vw, 2.8rem); font-weight: 700; }

h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 10px; }

/* ===========================
   BUTTONS
=========================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 15px;
  padding: 14px 28px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #000;
  font-weight: 700;
  box-shadow: 0 0 0 0 rgba(232,255,60,0.4);
}
.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(232,255,60,0.3);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  background: var(--bg-3);
  color: var(--text);
  transform: translateY(-2px);
}

.btn-large { padding: 18px 36px; font-size: 17px; }

.btn-full { width: 100%; justify-content: center; }

/* ===========================
   NAV
=========================== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: background var(--transition), backdrop-filter var(--transition), border-color var(--transition);
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(20px);
  border-color: var(--border);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--accent); }

.nav-cta {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  padding: 8px 18px;
  border: 1px solid rgba(232,255,60,0.3);
  border-radius: var(--radius);
  transition: all var(--transition);
}
.nav-cta:hover {
  background: var(--accent);
  color: #000;
}

/* ===========================
   HERO
=========================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(232,255,60,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232,255,60,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, black 30%, transparent 100%);
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(232,255,60,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  background: var(--bg-2);
  border: 1px solid var(--border);
  padding: 8px 18px;
  border-radius: 100px;
  margin-bottom: 32px;
  animation: fadeUp 0.6s ease both;
}

.hero-headline {
  font-size: clamp(2.6rem, 7vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  animation: fadeUp 0.6s 0.1s ease both;
}

.hero-sub {
  font-size: clamp(16px, 2.5vw, 19px);
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto 40px;
  animation: fadeUp 0.6s 0.2s ease both;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 28px;
  animation: fadeUp 0.6s 0.3s ease both;
}

.hero-trust {
  font-size: 13px;
  color: var(--text-muted);
  animation: fadeUp 0.6s 0.4s ease both;
}

.hero-scroll-line {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  opacity: 0.4;
}

/* ===========================
   ABOUT
=========================== */
.about {
  padding: 100px 0;
  border-top: 1px solid var(--border);
}

.about-grid {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 48px;
  align-items: start;
}

.about-tag {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding-top: 8px;
}

.about-body h2 { margin-bottom: 20px; }

.about-body p {
  color: var(--text-muted);
  margin-bottom: 16px;
  font-size: 17px;
}

.about-body strong { color: var(--text); }

.about-stats {
  display: flex;
  gap: 40px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.stat-label { font-size: 13px; color: var(--text-muted); }

/* ===========================
   SERVICES
=========================== */
.services {
  padding: 100px 0;
  background: var(--bg-2);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  position: relative;
  transition: border-color var(--transition), transform var(--transition);
}
.service-card:hover {
  border-color: rgba(232,255,60,0.2);
  transform: translateY(-4px);
}

.service-card--featured {
  border-color: rgba(232,255,60,0.3);
  background: linear-gradient(135deg, #1a1a1a 0%, #141408 100%);
}

.service-card-badge {
  position: absolute;
  top: -13px;
  left: 32px;
  background: var(--accent);
  color: #000;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  letter-spacing: 0.05em;
}

.service-icon { font-size: 2rem; margin-bottom: 16px; }

.service-card h3 { margin-bottom: 10px; }

.service-card > p {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 24px;
}

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

.service-benefits li {
  font-size: 14px;
  color: var(--text-muted);
  padding-left: 20px;
  position: relative;
}

.service-benefits li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ===========================
   PROOF / TESTIMONIALS
=========================== */
.proof {
  padding: 100px 0;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-bottom: 56px;
}

.testimonial {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: border-color var(--transition);
}
.testimonial:hover { border-color: rgba(232,255,60,0.2); }

.testimonial-stars {
  color: var(--accent);
  font-size: 14px;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--accent);
  color: #000;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.testimonial-author strong { display: block; font-size: 14px; }
.testimonial-author span { font-size: 12px; color: var(--text-muted); }

.results-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  flex-wrap: wrap;
}

.result-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
}

.result-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
}

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

.result-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

/* ===========================
   PROCESS
=========================== */
.process {
  padding: 100px 0;
  background: var(--bg-2);
}

.steps {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}

.step {
  flex: 1;
  min-width: 220px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: border-color var(--transition);
}
.step:hover { border-color: rgba(232,255,60,0.25); }

.step-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  color: rgba(232,255,60,0.15);
  line-height: 1;
  margin-bottom: 16px;
}

.step-body h3 { margin-bottom: 10px; }
.step-body p { color: var(--text-muted); font-size: 15px; }

.step-arrow {
  font-size: 1.5rem;
  color: var(--text-muted);
  padding-top: 48px;
  flex-shrink: 0;
}

/* ===========================
   CTA BAND
=========================== */
.cta-band {
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 80% 50%, rgba(232,255,60,0.06) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 10% 50%, rgba(232,255,60,0.04) 0%, transparent 70%);
  pointer-events: none;
}

.cta-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: center;
}

.cta-text h2 { margin-bottom: 12px; }
.cta-text p { color: var(--text-muted); font-size: 17px; max-width: 500px; }

.cta-actions { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.cta-note { font-size: 12px; color: var(--text-muted); }

/* ===========================
   CONTACT
=========================== */
.contact {
  padding: 100px 0;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
}

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

.contact-info h2 { margin-bottom: 14px; }
.contact-info > p { color: var(--text-muted); font-size: 17px; margin-bottom: 36px; }

.contact-links { display: flex; flex-direction: column; gap: 14px; }

.contact-link {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.contact-link:hover { transform: translateX(4px); }

.contact-link--whatsapp { border-color: rgba(37,211,102,0.25); }
.contact-link--whatsapp:hover { background: rgba(37,211,102,0.06); border-color: rgba(37,211,102,0.5); }

.contact-link--email { border-color: var(--border); }
.contact-link--email:hover { background: var(--bg-3); }

.contact-link-icon { font-size: 1.5rem; }
.contact-link strong { display: block; font-size: 15px; font-weight: 600; }
.contact-link span { font-size: 13px; color: var(--text-muted); }

/* FORM */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

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

.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.form-group input,
.form-group textarea {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  resize: none;
  transition: border-color var(--transition);
  outline: none;
  -webkit-appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: #444; }

.form-group input:focus,
.form-group textarea:focus { border-color: rgba(232,255,60,0.4); }

.form-note { font-size: 12px; color: var(--text-muted); text-align: center; }

/* ===========================
   FOOTER
=========================== */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--border);
}

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

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

/* ===========================
   ANIMATIONS
=========================== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ===========================
   RESPONSIVE
=========================== */
@media (max-width: 900px) {
  .cta-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .cta-text p { margin: 0 auto; }

  .contact-grid { grid-template-columns: 1fr; gap: 56px; }

  .step-arrow { display: none; }
  .steps { flex-direction: column; }
  .step { min-width: unset; }
}

@media (max-width: 700px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .about-tag { display: block; }
  .about-stats { gap: 28px; }

  .results-bar { gap: 28px; }
  .result-divider { display: none; }

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

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: center; }
  .btn { width: 100%; justify-content: center; }
  .btn-ghost { width: auto; }
  h2 { font-size: 1.7rem; }
}