/* ====== TOKENS ====== */
:root {
  --header: #1695a3;
  --primary: #6319c3;
  --secondary: #e4755c;

  --bg-0: #070b14;
  --bg-1: #0b1220;
  --bg-2: #111a2e;
  --bg-3: #16213d;

  --text: #e7ecf5;
  --text-muted: #a3adc2;
  --text-dim: #6f7a92;

  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);

  --whatsapp: #25d366;
  --whatsapp-hover: #1ebe5a;

  --gradient: linear-gradient(135deg, var(--header) 0%, var(--primary) 55%, var(--secondary) 100%);
  --gradient-soft: linear-gradient(135deg, rgba(22,149,163,0.18), rgba(99,25,195,0.18) 55%, rgba(228,117,92,0.18));

  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 22px;

  --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.25);
  --shadow: 0 14px 40px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 10px 40px rgba(99, 25, 195, 0.35);

  --container: 1200px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ====== RESET ====== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg-0);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
ul, ol { padding: 0; margin: 0; list-style: none; }
h1, h2, h3, h4 {
  font-family: 'Plus Jakarta Sans', 'Inter', sans-serif;
  margin: 0;
  letter-spacing: -0.02em;
  line-height: 1.15;
}
p { margin: 0; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--primary);
  color: #fff;
  padding: 8px 12px;
  border-radius: 8px;
  z-index: 1000;
}
.skip-link:focus { left: 12px; top: 12px; }

/* ====== LAYOUT ====== */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ====== HEADER ====== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 11, 20, 0.55);
  backdrop-filter: saturate(160%) blur(16px);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: background 250ms var(--ease), border-color 250ms var(--ease);
}
.site-header.is-scrolled {
  background: rgba(7, 11, 20, 0.85);
  border-bottom-color: var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 4px 12px rgba(99, 25, 195, 0.45));
}
.brand-logo img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}
.brand-logo.small img {
  width: 32px;
  height: 32px;
}
.brand-text {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand-name { letter-spacing: -0.02em; }
.brand-tagline {
  font-family: 'Inter', sans-serif;
  font-weight: 400;
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0;
  margin-top: 2px;
}
.brand-accent { color: var(--header); }

.nav-list {
  display: flex;
  gap: 32px;
  font-size: 0.95rem;
  color: var(--text-muted);
}
.nav-list a {
  position: relative;
  padding: 6px 2px;
  transition: color 200ms var(--ease);
}
.nav-list a:hover { color: var(--text); }
.nav-list a::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: -2px;
  height: 2px;
  background: var(--gradient);
  border-radius: 2px;
  transition: right 250ms var(--ease);
}
.nav-list a:hover::after { right: 0; }

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  flex-direction: column;
  gap: 5px;
  align-items: center;
  justify-content: center;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 220ms var(--ease), opacity 220ms var(--ease);
}
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  display: none;
  flex-direction: column;
  padding: 8px 24px 20px;
  gap: 4px;
  background: rgba(7, 11, 20, 0.95);
  border-bottom: 1px solid var(--border);
}
.mobile-nav a {
  padding: 12px 8px;
  border-radius: 10px;
  color: var(--text-muted);
  border: 1px solid transparent;
  transition: background 200ms var(--ease), color 200ms var(--ease);
}
.mobile-nav a:hover, .mobile-nav a:focus {
  color: var(--text);
  background: var(--bg-2);
  border-color: var(--border);
}

/* ====== BUTTONS ====== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease), background 200ms var(--ease), color 200ms var(--ease), border-color 200ms var(--ease);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 50px rgba(99, 25, 195, 0.5);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border: 1px solid var(--border-strong);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.22);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: var(--whatsapp);
  color: #07140a;
  font-weight: 700;
}
.btn-whatsapp:hover {
  background: var(--whatsapp-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(37, 211, 102, 0.35);
}
.btn-header { padding: 10px 18px; font-size: 0.9rem; }

/* ====== HERO ====== */
.hero {
  position: relative;
  padding: 96px 0 80px;
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute; inset: 0;
  z-index: -1;
  pointer-events: none;
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
  will-change: transform;
}
.blob-1 {
  width: 520px; height: 520px;
  background: radial-gradient(circle at center, var(--header), transparent 65%);
  top: -120px; left: -100px;
  animation: float 18s ease-in-out infinite;
}
.blob-2 {
  width: 600px; height: 600px;
  background: radial-gradient(circle at center, var(--primary), transparent 65%);
  top: 80px; right: -160px;
  animation: float 22s ease-in-out infinite reverse;
}
.blob-3 {
  width: 420px; height: 420px;
  background: radial-gradient(circle at center, var(--secondary), transparent 65%);
  bottom: -160px; left: 30%;
  opacity: 0.35;
  animation: float 26s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(40px, -30px) scale(1.08); }
}

.grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 30%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, black 30%, transparent 80%);
}

.hero-inner {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-strong);
  margin-bottom: 24px;
}
.eyebrow svg { color: var(--secondary); }

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 800;
  margin-bottom: 22px;
}
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  display: inline-block;
}
.hero-lead {
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 36px;
}
.hero-cta {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-cards {
  margin-top: 96px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feature-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  overflow: hidden;
  transition: transform 300ms var(--ease), border-color 300ms var(--ease);
}
.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-soft);
  opacity: 0;
  transition: opacity 300ms var(--ease);
  pointer-events: none;
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
}
.feature-card:hover::before { opacity: 1; }
.feature-card h3 { font-size: 1.15rem; margin-bottom: 6px; position: relative; }
.feature-card p { color: var(--text-muted); font-size: 0.95rem; position: relative; }

.feature-icon, .service-icon {
  width: 48px; height: 48px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  position: relative;
}
.icon-teal {
  background: linear-gradient(135deg, var(--header), color-mix(in srgb, var(--header) 60%, var(--primary)));
  color: #fff;
  box-shadow: 0 8px 24px rgba(22, 149, 163, 0.35);
}
.icon-purple {
  background: linear-gradient(135deg, var(--primary), color-mix(in srgb, var(--primary) 60%, var(--secondary)));
  color: #fff;
  box-shadow: 0 8px 24px rgba(99, 25, 195, 0.35);
}
.icon-coral {
  background: linear-gradient(135deg, var(--secondary), color-mix(in srgb, var(--secondary) 60%, var(--primary)));
  color: #fff;
  box-shadow: 0 8px 24px rgba(228, 117, 92, 0.35);
}

/* ====== SECTIONS ====== */
.section {
  padding: 96px 0;
  position: relative;
}
.section-alt {
  background:
    radial-gradient(900px 400px at 50% -10%, rgba(99, 25, 195, 0.15), transparent 70%),
    var(--bg-1);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section-tag {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  color: var(--header);
  font-weight: 700;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 18px;
}
.section-lead {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 680px;
}
.section-head {
  text-align: center;
  margin: 0 auto 56px;
  max-width: 760px;
}
.section-head .section-lead { margin-left: auto; margin-right: auto; }

/* Two-column (Sobre mí) */
.col-text p + p { margin-top: 14px; }
.two-col {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}
.checklist {
  margin-top: 28px;
  display: grid;
  gap: 12px;
}
.checklist li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
}
.checklist-card {
  margin-top: 0;
  gap: 18px;
}
.checklist-card li {
  font-size: 1.05rem;
  font-weight: 500;
}
.check {
  width: 28px; height: 28px;
  flex-shrink: 0;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient);
  color: #fff;
}

.col-visual { position: relative; }
.stats-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: grid;
  gap: 24px;
  position: relative;
  overflow: hidden;
}
.stats-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: var(--gradient);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.5;
  pointer-events: none;
}
.stat-num {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1;
}
.stat-label { color: var(--text-muted); font-size: 0.95rem; margin-top: 4px; }

/* Methodology */
.method-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.method-card {
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  flex-direction: column;
  transition: transform 300ms var(--ease), border-color 300ms var(--ease);
}
.method-card:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.method-card h3 { font-size: 1.5rem; margin-bottom: 14px; }
.method-card-head {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
}
.method-card-head .service-icon { flex-shrink: 0; margin-bottom: 0; }
.method-card-head h3 { margin-bottom: 0; }
.method-card > p { color: var(--text-muted); margin-bottom: 24px; }
.method-checklist { display: grid; gap: 14px; margin-top: auto; }
.method-checklist li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 500;
  font-size: 1rem;
}
.method-check {
  width: 24px; height: 24px;
  flex-shrink: 0;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid currentColor;
  background: rgba(255, 255, 255, 0.02);
}
.method-checklist-purple .method-check { color: var(--primary); }
.method-checklist-coral .method-check { color: var(--secondary); }

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.service-card {
  position: relative;
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform 300ms var(--ease), border-color 300ms var(--ease);
  display: flex;
  flex-direction: column;
}
.service-card:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.service-card h3 { font-size: 1.25rem; margin-bottom: 10px; }
.service-card > p { color: var(--text-muted); margin-bottom: 16px; }
.service-card ul {
  display: grid;
  gap: 8px;
  border-top: 1px dashed var(--border);
  padding-top: 16px;
  margin-top: auto;
}
.service-card ul li {
  position: relative;
  padding-left: 22px;
  color: var(--text-muted);
  font-size: 0.95rem;
}
.service-card ul li::before {
  content: '';
  position: absolute;
  left: 4px; top: 9px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gradient);
}

.service-card-featured {
  border-color: rgba(99, 25, 195, 0.5);
  background:
    linear-gradient(180deg, rgba(99,25,195,0.16), rgba(99,25,195,0.06)),
    var(--bg-2);
  box-shadow: 0 18px 50px rgba(99, 25, 195, 0.18);
}
.badge {
  position: absolute;
  top: 16px; right: 16px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--gradient);
  color: #fff;
}

/* CTA */
.section-cta {
  padding: 120px 0;
}
.cta-card {
  position: relative;
  border-radius: 28px;
  padding: 64px 48px;
  text-align: center;
  background:
    radial-gradient(700px 300px at 20% 0%, rgba(22, 149, 163, 0.18), transparent 60%),
    radial-gradient(700px 300px at 100% 100%, rgba(228, 117, 92, 0.18), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border: 1px solid var(--border-strong);
  overflow: hidden;
}
.cta-card::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  padding: 2px;
  background: var(--gradient);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.6;
  pointer-events: none;
}
.cta-text { max-width: 720px; margin: 0 auto; }
.cta-text .section-lead { margin: 0 auto 32px; }
.cta-actions {
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-actions .btn-primary { background: var(--whatsapp); color: #07140a; box-shadow: 0 12px 36px rgba(37, 211, 102, 0.35); }
.cta-actions .btn-primary:hover { background: var(--whatsapp-hover); }
.cta-socials { display: flex; gap: 12px; }

/* Social buttons */
.social-btn {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-strong);
  color: var(--text);
  transition: transform 200ms var(--ease), border-color 200ms var(--ease), background 200ms var(--ease), color 200ms var(--ease);
}
.social-btn:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  background: rgba(99, 25, 195, 0.12);
  color: #fff;
}
.social-btn.whatsapp:hover {
  border-color: var(--whatsapp);
  background: rgba(37, 211, 102, 0.12);
  color: var(--whatsapp);
}

/* ====== FOOTER ====== */
.site-footer {
  padding: 48px 0 32px;
  border-top: 1px solid var(--border);
  background: var(--bg-1);
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.footer-name {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 1rem;
}
.footer-tag { color: var(--text-muted); font-size: 0.85rem; }
.footer-socials { display: flex; gap: 10px; }
.copyright {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

/* ====== FAB WHATSAPP ====== */
.fab-whatsapp {
  position: fixed;
  right: 22px; bottom: 22px;
  width: 60px; height: 60px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--whatsapp);
  color: #07140a;
  box-shadow: 0 14px 40px rgba(37, 211, 102, 0.45);
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease);
  z-index: 60;
}
.fab-whatsapp::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--whatsapp);
  animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse {
  0% { transform: scale(1); opacity: 0.7; }
  100% { transform: scale(1.6); opacity: 0; }
}
.fab-whatsapp:hover { transform: scale(1.06); }

/* ====== REVEAL ANIMATIONS ====== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
  will-change: transform, opacity;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ====== RESPONSIVE ====== */
@media (max-width: 980px) {
  .nav { display: none; }
  .btn-header { display: none; }
  .nav-toggle { display: inline-flex; }
  .mobile-nav.is-open { display: flex; }

  .hero { padding: 72px 0 64px; }
  .hero-cards {
    grid-template-columns: 1fr;
    margin-top: 64px;
  }
  .section { padding: 72px 0; }
  .section-cta { padding: 88px 0; }
  .two-col { grid-template-columns: 1fr; gap: 40px; }
  .method-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .cta-card { padding: 48px 24px; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; justify-items: center; }
  .footer-brand { flex-direction: column; }
}

@media (max-width: 560px) {
  .header-inner { height: 64px; }
  .brand-name { font-size: 1rem; }
  .hero-title { font-size: 2.4rem; }
  .stats-card { padding: 24px; }
  .fab-whatsapp { width: 54px; height: 54px; right: 16px; bottom: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}