/* ============================================================
   styles.css — Agentes Inteligentes del Sureste (AIS)
   Dark mode · Purple/Blue gradient brand
   ============================================================ */

/* ── Variables ──────────────────────────────────────────────── */
:root {
  --bg:        #ffffff;
  --surface:   #f5f5f7;
  --surface2:  #eef2ff;
  --border:    #e0e7ff;
  --purple:    #4f46e5;
  --purple-d:  #4338ca;
  --blue:      #7c3aed;
  --cyan:      #0ea5e9;
  --text:      #111827;
  --muted:     #6b7280;
  --subtle:    #9ca3af;
  --radius:    12px;
  --radius-lg: 20px;
  --nav-h:     70px;
  --transition: 0.25s ease;
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ── Utilidades ─────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.gradient-text {
  background: linear-gradient(135deg, var(--purple) 0%, var(--blue) 60%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Navegación ─────────────────────────────────────────────── */
.main-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition), backdrop-filter var(--transition);
}
.main-nav.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border);
  box-shadow: 0 1px 12px rgba(79,70,229,0.08);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}
.brand-icon {
  width: 42px; height: 42px;
  background: linear-gradient(135deg, var(--purple), var(--blue));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 800;
  font-size: 0.85rem;
  color: #fff;
  letter-spacing: -0.5px;
  flex-shrink: 0;
}
.brand-icon--sm { width: 36px; height: 36px; font-size: 0.75rem; border-radius: 8px; }
.brand-name {
  font-size: 0.78rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text);
}
.brand-name em { font-style: normal; color: var(--muted); font-weight: 400; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: auto;
}
.nav-links a {
  padding: 0.5rem 0.85rem;
  font-size: 0.9rem;
  color: var(--muted);
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover { color: var(--text); background: rgba(79,70,229,0.06); }
.nav-cta {
  padding: 0.55rem 1.25rem;
  background: linear-gradient(135deg, var(--purple), var(--blue));
  color: #fff;
  border-radius: 50px;
  font-size: 0.88rem;
  font-weight: 600;
  transition: opacity var(--transition), transform var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}
.nav-cta:hover { opacity: 0.9; transform: translateY(-1px); }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 1rem 1.5rem 1.5rem;
  gap: 0.25rem;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 0.75rem 1rem;
  color: var(--muted);
  border-radius: var(--radius);
  font-size: 1rem;
  transition: color var(--transition), background var(--transition);
}
.mobile-menu a:hover { color: var(--text); background: rgba(79,70,229,0.06); }
.mobile-cta {
  margin-top: 0.5rem;
  padding: 0.85rem 1rem;
  background: linear-gradient(135deg, var(--purple), var(--blue));
  color: #fff !important;
  border-radius: var(--radius);
  text-align: center;
  font-weight: 600;
}

/* ── Hero ───────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: calc(var(--nav-h) + 2rem) 1.5rem 4rem;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    hsl(245,80%,97%) 0%,
    hsl(250,70%,95%) 40%,
    hsl(240,60%,97%) 70%,
    hsl(220,80%,96%) 100%
  );
  background-size: 400% 400%;
  animation: gradientShift 18s ease infinite;
}
@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.hero-orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(79,70,229,0.18) 0%, transparent 70%);
  top: -100px; left: -100px;
  animation: orbFloat 12s ease-in-out infinite;
}
.hero-orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(124,58,237,0.14) 0%, transparent 70%);
  bottom: 0; right: -50px;
  animation: orbFloat 15s ease-in-out infinite reverse;
}
@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0); }
  50%       { transform: translate(30px, -30px); }
}
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 860px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 1rem;
  background: rgba(79,70,229,0.10);
  border: 1px solid rgba(79,70,229,0.25);
  border-radius: 50px;
  font-size: 0.82rem;
  color: var(--purple);
  font-weight: 500;
  margin-bottom: 1.5rem;
}
.hero-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 1.5rem;
}
.hero-rotating {
  display: inline-block;
  background: linear-gradient(135deg, var(--purple), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: opacity 0.3s, transform 0.3s;
  min-width: 6ch;
}
.hero-rotating.fade { opacity: 0; transform: translateY(8px); }
.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--muted);
  margin-bottom: 2.5rem;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  background: linear-gradient(135deg, var(--purple), var(--blue));
  color: #fff;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(79,70,229,0.25);
}
.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(79,70,229,0.35);
}
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  background: rgba(79,70,229,0.07);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.btn-secondary:hover {
  background: rgba(79,70,229,0.12);
  border-color: var(--purple);
  transform: translateY(-2px);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.8rem;
  background: transparent;
  color: var(--purple);
  border: 1px solid var(--purple);
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.btn-outline:hover { background: rgba(79,70,229,0.07); border-color: var(--blue); transform: translateY(-2px); }
.btn-large { padding: 1rem 2.2rem; font-size: 1.05rem; }
.hero-trust {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-trust span {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--subtle);
}
.hero-trust i { color: var(--purple); }

/* ── Section base ───────────────────────────────────────────── */
section { padding: 5rem 0; }
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3.5rem;
}
.section-tag {
  display: inline-block;
  padding: 0.3rem 0.85rem;
  background: rgba(79,70,229,0.08);
  border: 1px solid rgba(79,70,229,0.15);
  border-radius: 50px;
  font-size: 0.8rem;
  color: var(--purple);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.section-header h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}
.section-header p { color: var(--muted); font-size: 1.05rem; }

/* ── Servicios ──────────────────────────────────────────────── */
.services { background: var(--bg); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.service-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.service-card:hover {
  border-color: rgba(79,70,229,0.30);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(79,70,229,0.08);
}
.service-card--featured {
  border-color: rgba(79,70,229,0.25);
  background: linear-gradient(160deg, rgba(139,92,246,0.08) 0%, var(--surface) 100%);
}
.card-badge {
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  padding: 0.25rem 0.85rem;
  background: linear-gradient(135deg, var(--purple), var(--blue));
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
}
.card-icon {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, rgba(139,92,246,0.2), rgba(59,130,246,0.2));
  border: 1px solid rgba(139,92,246,0.2);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  color: var(--purple);
}
.service-card h3 { font-size: 1.3rem; font-weight: 700; }
.service-card p { color: var(--muted); font-size: 0.95rem; flex: 1; }
.card-features {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.card-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--muted);
}
.card-features i { color: var(--cyan); font-size: 0.75rem; flex-shrink: 0; }
.card-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--purple);
  margin-top: 0.5rem;
  transition: gap var(--transition), color var(--transition);
}
.card-cta:hover { color: var(--blue); gap: 0.7rem; }
.card-cta--primary {
  padding: 0.65rem 1.25rem;
  background: linear-gradient(135deg, var(--purple), var(--blue));
  color: #fff;
  border-radius: 50px;
  justify-content: center;
}
.card-cta--primary:hover { color: #fff; opacity: 0.9; gap: 0.7rem; }

/* ── Stats ──────────────────────────────────────────────────── */
.stats {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}
.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 2.5rem 1rem;
  border-right: 1px solid var(--border);
}
.stat-card:last-child { border-right: none; }
.stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--purple), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
  max-width: 140px;
}

/* ── Tecnología ─────────────────────────────────────────────── */
.tech { background: var(--bg); }
.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.tech-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  padding: 1.5rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.85rem;
  color: var(--muted);
  transition: border-color var(--transition), color var(--transition);
}
.tech-item:hover { border-color: var(--purple); color: var(--text); }
.tech-item i { font-size: 1.6rem; color: var(--subtle); transition: color var(--transition); }
.tech-item:hover i { color: var(--purple); }

/* ── FAQ ────────────────────────────────────────────────────── */
.faq { background: var(--surface); border-top: 1px solid var(--border); }
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}
.faq-item[open] { border-color: rgba(79,70,229,0.30); }
.faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  font-weight: 600;
  font-size: 0.98rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--purple); }
.faq-icon { flex-shrink: 0; font-size: 0.8rem; color: var(--muted); transition: transform 0.3s; }
.faq-item[open] .faq-icon { transform: rotate(180deg); color: var(--purple); }
.faq-item p {
  padding: 0 1.5rem 1.25rem;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ── CTA final ──────────────────────────────────────────────── */
.cta-section { background: var(--bg); padding: 5rem 0; }
.cta-box {
  text-align: center;
  padding: 4rem 2rem;
  background: linear-gradient(135deg, rgba(139,92,246,0.1) 0%, rgba(59,130,246,0.08) 100%);
  border: 1px solid rgba(79,70,229,0.15);
  border-radius: var(--radius-lg);
}
.cta-box h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 0.75rem;
}
.cta-box p { color: var(--muted); font-size: 1.1rem; margin-bottom: 2rem; }
.cta-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ── Footer ─────────────────────────────────────────────────── */
.main-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 3.5rem 0 1.5rem;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
}
.footer-brand { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-brand .brand-icon { margin-bottom: 0.25rem; }
.footer-brand p { font-size: 0.9rem; color: var(--muted); }
.footer-location { font-size: 0.82rem; color: var(--subtle); }
.footer-location i { color: var(--purple); margin-right: 0.25rem; }
.footer-contact-inline { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.5rem; }
.footer-contact-inline a { font-size: 0.88rem; color: var(--muted); text-decoration: none; display: flex; align-items: center; gap: 0.5rem; transition: color 0.2s; }
.footer-contact-inline a:hover { color: var(--purple); }
.footer-contact-inline i { width: 16px; color: var(--purple); }
.footer-location-bottom { font-size: 0.82rem; color: var(--subtle); text-align: center; margin-bottom: 0.5rem; }
.footer-location-bottom i { color: var(--purple); margin-right: 0.25rem; }
.footer-links h4, .footer-contact h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}
.footer-links ul, .footer-contact ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.footer-links a, .footer-contact a {
  font-size: 0.88rem;
  color: var(--muted);
  transition: color var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.footer-links a:hover, .footer-contact a:hover { color: var(--purple); }
.footer-contact i { width: 16px; }
.footer-social {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  margin-bottom: 2rem;
}
.footer-social a {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 1rem;
  color: var(--muted);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}
.footer-social a:hover { color: var(--text); border-color: var(--purple); background: rgba(79,70,229,0.08); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-bottom p { font-size: 0.8rem; color: var(--subtle); }
.footer-legal { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.footer-legal a { font-size: 0.8rem; color: var(--subtle); transition: color var(--transition); }
.footer-legal a:hover { color: var(--muted); }

/* ── Modal de vídeo ─────────────────────────────────────────── */
.modal {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  animation: fadeIn 0.25s ease;
}
.modal[hidden] { display: none; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.85);
  backdrop-filter: blur(6px);
}
.modal-content {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 960px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.modal-close {
  position: absolute;
  top: 1rem; right: 1rem;
  z-index: 2;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.5);
  color: var(--text);
  border-radius: 50%;
  font-size: 1rem;
  transition: background var(--transition);
}
.modal-close:hover { background: rgba(0,0,0,0.8); }
.modal-content video { width: 100%; aspect-ratio: 16/9; display: block; }

/* ── WhatsApp FAB ───────────────────────────────────────────── */
.wa-fab {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 500;
  width: 56px; height: 56px;
  background: #25d366;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  color: #fff;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: transform var(--transition), box-shadow var(--transition);
}
.wa-fab:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 8px 30px rgba(37,211,102,0.5);
}
.wa-fab-tooltip {
  position: absolute;
  right: 68px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(6px);
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
}
.wa-fab:hover .wa-fab-tooltip { opacity: 1; transform: translateX(0); }

/* ── Categorías de servicios ─────────────────────────────────── */
.categorias { padding: 5rem 0; background: var(--bg); }
.categoria { margin-bottom: 4rem; }
.categoria-header { margin-bottom: 2.5rem; }
.subsecciones { display: flex; flex-direction: column; gap: 3rem; }

.subseccion-intro { margin-bottom: 1.5rem; }
.subseccion-intro h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.2rem, 2.5vw, 1.5rem);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.4rem;
}
.subseccion-intro p { color: var(--muted); font-size: 0.95rem; }

.subseccion--alt .subseccion-intro h3 { color: var(--cyan); }

.subseccion-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.sol-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color var(--transition), transform var(--transition);
}
.sol-card:hover { border-color: var(--purple); transform: translateY(-3px); }

.sol-card--featured {
  border-color: var(--purple);
  background: linear-gradient(135deg, rgba(139,92,246,0.08) 0%, rgba(59,130,246,0.06) 100%);
}
.sol-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--purple-d), var(--blue));
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.3rem 0.85rem;
  border-radius: 999px;
  width: fit-content;
}
.sol-icon {
  width: 48px;
  height: 48px;
  background: rgba(79,70,229,0.10);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--purple);
}
.sol-card h4 { font-size: 1.1rem; font-weight: 700; color: var(--text); }
.sol-card p  { color: var(--muted); font-size: 0.93rem; line-height: 1.65; flex: 1; }

.sol-features { list-style: none; display: flex; flex-direction: column; gap: 0.55rem; }
.sol-features li { display: flex; align-items: flex-start; gap: 0.6rem; font-size: 0.9rem; color: var(--muted); }
.sol-features i  { color: var(--cyan); font-size: 0.75rem; margin-top: 0.25rem; flex-shrink: 0; }
.sol-features strong { color: var(--text); }
.sol-card-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* ── Pricing tiers (Diseño Web IA) ──────────────────────────── */
.subsecciones--tiers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  flex-direction: unset;
}
.tier-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color var(--transition), transform var(--transition);
}
.tier-card:hover { transform: translateY(-4px); }
.tier-card--basico  { border-top: 3px solid var(--cyan); }
.tier-card--basico:hover  { border-color: var(--cyan); }
.tier-card--moderado { border-top: 3px solid var(--blue); background: linear-gradient(160deg, rgba(59,130,246,0.07) 0%, var(--surface) 60%); }
.tier-card--moderado:hover { border-color: var(--blue); }
.tier-card--pro { border-top: 3px solid var(--purple); }
.tier-card--pro:hover { border-color: var(--purple); }

.tier-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text);
}
.tier-card--basico  .tier-label { color: var(--cyan); }
.tier-card--moderado .tier-label { color: var(--blue); }
.tier-card--pro .tier-label { color: var(--purple); }
.tier-plus { color: var(--purple); }

.tier-type {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.tier-price { display: flex; flex-direction: column; gap: 0.15rem; }
.tier-price-range {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
}
.tier-price-note { font-size: 0.75rem; color: var(--subtle); }

.tier-features { list-style: none; display: flex; flex-direction: column; gap: 0.55rem; flex: 1; }
.tier-features li { display: flex; align-items: flex-start; gap: 0.6rem; font-size: 0.88rem; color: var(--muted); }
.tier-features i { font-size: 0.7rem; margin-top: 0.25rem; flex-shrink: 0; }
.tier-card--basico  .tier-features i { color: var(--cyan); }
.tier-card--moderado .tier-features i { color: var(--blue); }
.tier-card--pro .tier-features i { color: var(--purple); }

.btn-tier {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  transition: all var(--transition);
}
.btn-tier:hover { border-color: var(--purple); color: var(--text); background: rgba(139,92,246,0.08); }
.btn-tier--highlighted {
  background: linear-gradient(135deg, var(--purple-d), var(--blue));
  border-color: transparent;
  color: #fff;
}
.btn-tier--highlighted:hover { opacity: 0.88; color: #fff; }

.subsecciones--four { grid-template-columns: repeat(4, 1fr); }

.tier-card--elite {
  border-top: 3px solid #f59e0b;
  background: linear-gradient(160deg, rgba(245,158,11,0.06) 0%, var(--surface) 60%);
}
.tier-card--elite:hover { border-color: #f59e0b; }
.tier-card--elite .tier-label { color: #f59e0b; }
.tier-card--elite .tier-features i { color: #f59e0b; }

.tier-tag-badge {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  background: rgba(139,92,246,0.2);
  color: var(--purple);
  vertical-align: middle;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.tier-tag-badge--elite {
  background: rgba(245,158,11,0.2);
  color: #f59e0b;
}

.btn-tier--elite {
  border-color: #f59e0b;
  color: #f59e0b;
}
.btn-tier--elite:hover { background: rgba(245,158,11,0.1); border-color: #f59e0b; color: #f59e0b; }

.tier-disclaimer {
  margin-top: 1.75rem;
  font-size: 0.85rem;
  color: var(--subtle);
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  line-height: 1.6;
}
.tier-disclaimer i { color: var(--blue); flex-shrink: 0; margin-top: 0.2rem; }

/* ── Atención al Cliente ─────────────────────────────────────── */
.atc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.atc-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color var(--transition), transform var(--transition);
  position: relative;
}
.atc-card:hover { border-color: var(--purple); transform: translateY(-3px); }
.atc-card--featured {
  border-color: var(--purple);
  background: linear-gradient(160deg, rgba(139,92,246,0.08) 0%, var(--surface) 60%);
}
.atc-badge {
  position: absolute;
  top: -1px; right: 1.25rem;
  background: linear-gradient(135deg, var(--purple-d), var(--blue));
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 0 0 var(--radius) var(--radius);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.atc-icon {
  width: 46px; height: 46px;
  background: rgba(79,70,229,0.10);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem;
  color: var(--purple);
}
.atc-icon--telegram  { background: rgba(41,182,246,0.15); color: #29b6f6; }
.atc-icon--whatsapp  { background: rgba(37,211,102,0.15); color: #25d366; }

.atc-card h4 { font-size: 1rem; font-weight: 700; color: var(--text); line-height: 1.3; }
.atc-desc    { color: var(--muted); font-size: 0.88rem; line-height: 1.6; }

.atc-pricing { display: flex; flex-direction: column; gap: 0.75rem; }
.atc-price-block { display: flex; flex-direction: column; gap: 0.2rem; }
.atc-price-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--subtle);
}
.atc-price-row { display: flex; align-items: center; gap: 0.5rem; }
.atc-original {
  font-size: 0.82rem;
  color: var(--subtle);
  text-decoration: line-through;
}
.atc-discount-badge {
  font-size: 0.68rem;
  font-weight: 800;
  background: rgba(16,185,129,0.18);
  color: #10b981;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
}
.atc-final {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
}
.atc-per { font-size: 0.75rem; font-weight: 400; color: var(--muted); }
.atc-price-note { font-size: 0.72rem; color: var(--subtle); }
.atc-api-note {
  background: rgba(245,158,11,0.15);
  color: #f59e0b;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  font-size: 0.68rem;
  font-weight: 600;
}
.atc-divider {
  height: 1px;
  background: var(--border);
  margin: 0.1rem 0;
}
.atc-features { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; flex: 1; }
.atc-features li { display: flex; align-items: flex-start; gap: 0.55rem; font-size: 0.85rem; color: var(--muted); }
.atc-features i  { color: var(--cyan); font-size: 0.7rem; margin-top: 0.25rem; flex-shrink: 0; }

/* ── Soluciones Personalizadas ───────────────────────────────── */
.custom-block {
  background: linear-gradient(135deg, rgba(139,92,246,0.1) 0%, rgba(59,130,246,0.07) 50%, rgba(6,182,212,0.06) 100%);
  border: 1px solid var(--purple);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.custom-block-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.custom-block-text h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 0.5rem;
}
.custom-block-text p {
  color: var(--muted);
  font-size: 0.97rem;
  line-height: 1.65;
  max-width: 520px;
}
.custom-areas {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.custom-area-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--subtle);
}
.custom-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.custom-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  font-size: 0.85rem;
  color: var(--muted);
  transition: border-color var(--transition), color var(--transition), background var(--transition);
  cursor: default;
}
.custom-tag:hover {
  border-color: var(--cyan);
  color: var(--text);
  background: rgba(6,182,212,0.08);
}
.custom-tag i { color: var(--cyan); font-size: 0.75rem; }

.custom-value-prop {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: rgba(139,92,246,0.08);
  border: 1px solid rgba(79,70,229,0.15);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.6;
}
.custom-value-prop i {
  color: var(--purple);
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 0.15rem;
}

/* ── Utilidades ──────────────────────────────────────────────── */
.utilidades { padding: 5rem 0; background: var(--surface); }

.util-intro {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 3rem;
}
.util-intro-text h2 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  margin: 0.5rem 0 0.75rem;
}
.util-intro-text p {
  color: var(--muted);
  font-size: 0.97rem;
  line-height: 1.7;
  max-width: 560px;
}
.util-intro-text strong { color: var(--text); }

.util-values {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex-shrink: 0;
}
.util-value-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(6,182,212,0.1);
  border: 1px solid rgba(6,182,212,0.25);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--cyan);
  white-space: nowrap;
}
.util-value-pill i { font-size: 0.75rem; }

.util-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.25rem;
}
.util-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  text-decoration: none;
  transition: border-color var(--transition), transform var(--transition), background var(--transition);
}
.util-card:hover {
  border-color: var(--cyan);
  transform: translateY(-3px);
  background: rgba(6,182,212,0.04);
}
.util-card-icon {
  width: 42px; height: 42px;
  background: rgba(6,182,212,0.12);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  color: var(--cyan);
}
.util-card-body { flex: 1; display: flex; flex-direction: column; gap: 0.35rem; }
.util-card h4 { font-size: 0.95rem; font-weight: 700; color: var(--text); }
.util-card p  { font-size: 0.82rem; color: var(--muted); line-height: 1.55; }
.util-card-cta {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--cyan);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: gap var(--transition);
}
.util-card:hover .util-card-cta { gap: 0.65rem; }

/* ── Tablas de comparación de precios ───────────────────────── */
.price-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  margin-bottom: 0.5rem;
  -webkit-overflow-scrolling: touch;
}
.price-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  min-width: 600px;
}

/* Cabecera de columnas */
.pt-feat-head {
  background: var(--surface2);
  padding: 1rem 1.25rem;
  width: 28%;
  min-width: 160px;
}
.pt-col-head {
  padding: 1.25rem 1rem 1rem;
  text-align: center;
  vertical-align: top;
  border-left: 1px solid var(--border);
}
.pt-col-icon {
  font-size: 1.3rem;
  margin-bottom: 0.4rem;
}
.pt-tier-name {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 800;
}
.pt-tier-sub {
  display: block;
  font-size: 0.72rem;
  color: var(--muted);
  font-weight: 400;
  margin-top: 0.2rem;
}
.pt-recommended-label {
  display: inline-block;
  background: var(--blue);
  color: #fff;
  font-size: 0.62rem;
  font-weight: 700;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.35rem;
}

/* Colores de columnas — tiers */
.pt-col--basico   { background: var(--surface); }
.pt-col--moderado { background: rgba(59,130,246,0.06); }
.pt-col--pro      { background: rgba(139,92,246,0.06); }
.pt-col--elite    { background: rgba(245,158,11,0.06); }

.pt-col-head.pt-col--basico   .pt-tier-name { color: var(--cyan); }
.pt-col-head.pt-col--basico   .pt-col-icon  { color: var(--cyan); }
.pt-col-head.pt-col--moderado .pt-tier-name { color: var(--blue); }
.pt-col-head.pt-col--moderado .pt-col-icon  { color: var(--blue); }
.pt-col-head.pt-col--pro      .pt-tier-name { color: var(--purple); }
.pt-col-head.pt-col--pro      .pt-col-icon  { color: var(--purple); }
.pt-col-head.pt-col--elite    .pt-tier-name { color: #f59e0b; }
.pt-col-head.pt-col--elite    .pt-col-icon  { color: #f59e0b; }

/* Colores de columnas — ATC */
.pt-col--chatbot { background: rgba(139,92,246,0.05); }
.pt-col--voz     { background: rgba(59,130,246,0.07); }
.pt-col--tg      { background: rgba(41,182,246,0.05); }
.pt-col--wa      { background: rgba(37,211,102,0.05); }

.pt-col-head.pt-col--chatbot .pt-tier-name,
.pt-col-head.pt-col--chatbot .pt-col-icon  { color: var(--purple); }
.pt-col-head.pt-col--voz     .pt-tier-name,
.pt-col-head.pt-col--voz     .pt-col-icon  { color: var(--blue); }
.pt-col-head.pt-col--tg      .pt-tier-name,
.pt-col-head.pt-col--tg      .pt-col-icon  { color: #29b6f6; }
.pt-col-head.pt-col--wa      .pt-tier-name,
.pt-col-head.pt-col--wa      .pt-col-icon  { color: #25d366; }

/* Filas de precio */
.pt-price-row td {
  padding: 0.65rem 1rem;
  text-align: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  border-bottom: 1px solid var(--border);
  border-left: 1px solid var(--border);
}
.pt-price-row .pt-feat-cell {
  font-family: 'Inter', sans-serif;
  font-size: 0.73rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--subtle);
  text-align: left;
  border-left: none;
}
.pt-price-row--striked td { font-size: 0.82rem; font-weight: 400; }
.pt-price-row--maint td   { border-bottom: 2px solid var(--border); }

.pt-original-price { color: var(--subtle); text-decoration: line-through; }
.pt-final-price    { color: var(--text); font-size: 1rem; font-weight: 800; }
.pt-discount-badge {
  display: inline-block;
  background: rgba(16,185,129,0.18);
  color: #10b981;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-family: 'Inter', sans-serif;
  vertical-align: middle;
}
.pt-per { font-size: 0.72rem; font-weight: 400; color: var(--muted); }

/* Filas del body */
.price-table tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.price-table tbody tr:hover td { filter: brightness(1.06); }
.price-table tbody tr:last-child { border-bottom: none; }

.pt-feat-cell {
  padding: 0.7rem 1.25rem;
  color: var(--muted);
  font-size: 0.86rem;
  background: var(--surface2);
  text-align: left;
  font-weight: 500;
}
.price-table td:not(.pt-feat-cell) {
  padding: 0.7rem 1rem;
  text-align: center;
  border-left: 1px solid var(--border);
}

.pt-check { color: #10b981; font-size: 0.9rem; }
.pt-dash  { color: var(--border); font-size: 1.1rem; font-weight: 300; }

/* Fila CTA */
.pt-cta-row td {
  padding: 1.1rem 0.75rem;
  text-align: center;
  border-left: 1px solid var(--border);
}
.pt-cta-row .pt-feat-cell { border-left: none; }
.pt-cta-row .btn-tier,
.pt-cta-row .btn-tier--highlighted,
.pt-cta-row .btn-tier--elite {
  width: 100%;
  justify-content: center;
  font-size: 0.78rem;
  padding: 0.55rem 0.75rem;
}

/* Botones Telegram y WhatsApp */
.btn-tier--tg { border-color: #29b6f6; color: #29b6f6; }
.btn-tier--tg:hover { background: rgba(41,182,246,0.1); color: #29b6f6; border-color: #29b6f6; }
.btn-tier--wa { border-color: #25d366; color: #25d366; }
.btn-tier--wa:hover { background: rgba(37,211,102,0.1); color: #25d366; border-color: #25d366; }

/* ── Hero de página interior ─────────────────────────────────── */
.page-hero {
  padding: calc(var(--nav-h) + 3rem) 1.5rem 3rem;
  background: var(--bg);
  text-align: center;
}
.page-hero h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  margin: 0.5rem 0 0.75rem;
}
.page-hero p { color: var(--muted); font-size: 1rem; max-width: 560px; margin: 0 auto 2rem; }
.page-hero-nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.6rem; }
.page-nav-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.4rem 1rem;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  transition: all var(--transition);
}
.page-nav-pill:hover { border-color: var(--cyan); color: var(--text); background: rgba(6,182,212,0.07); }
.page-nav-pill i { color: var(--cyan); font-size: 0.75rem; }

/* ── Resumen de servicios (index) ────────────────────────────── */
.servicios-resumen { padding: 5rem 0; background: var(--bg); }
.srv-summary-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-top: 2.5rem;
}
.srv-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  text-decoration: none;
  transition: border-color var(--transition), transform var(--transition);
}
.srv-card:hover { border-color: var(--purple); transform: translateY(-3px); }
.srv-card--wide { grid-column: span 2; flex-direction: row; align-items: center; gap: 1.5rem; }
.srv-card-icon {
  width: 48px; height: 48px; flex-shrink: 0;
  background: rgba(79,70,229,0.08);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; color: var(--purple);
}
.srv-card h3 { font-size: 1rem; font-weight: 700; color: var(--text); }
.srv-card p  { font-size: 0.86rem; color: var(--muted); line-height: 1.6; flex: 1; }
.srv-card-cta {
  font-size: 0.82rem; font-weight: 600; color: var(--purple);
  display: flex; align-items: center; gap: 0.4rem;
  transition: gap var(--transition);
  white-space: nowrap;
}
.srv-card:hover .srv-card-cta { gap: 0.65rem; }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
  .srv-summary-grid { grid-template-columns: 1fr 1fr; }
  .subsecciones--tiers { grid-template-columns: 1fr 1fr; }
  .subsecciones--four { grid-template-columns: 1fr 1fr; }
  .atc-grid { grid-template-columns: 1fr 1fr; }
  .util-grid { grid-template-columns: repeat(3, 1fr); }
  .util-intro { flex-direction: column; }
  .util-values { flex-direction: row; flex-wrap: wrap; }
  .tech-grid { grid-template-columns: repeat(4, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: span 2; }
}
@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .main-nav.nav-open .mobile-menu { display: flex; }
  .main-nav { height: auto; }
  .nav-inner { height: var(--nav-h); }
  .services-grid { grid-template-columns: 1fr; }
  .subsecciones--tiers { grid-template-columns: 1fr; }
  .subsecciones--four  { grid-template-columns: 1fr; }
  .atc-grid { grid-template-columns: 1fr; }
  .util-grid { grid-template-columns: 1fr 1fr; }
  .srv-summary-grid { grid-template-columns: 1fr; }
  .custom-block-top { flex-direction: column; align-items: flex-start; }
  .custom-block-top .btn-primary { width: 100%; justify-content: center; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat-card:nth-child(2) { border-right: none; }
  .stat-card:nth-child(3) { border-right: 1px solid var(--border); }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr; gap: 2rem; }
  .footer-brand { grid-column: span 1; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-legal { justify-content: center; }
  .wa-fab { bottom: 1rem; right: 1rem; }
}
@media (max-width: 480px) {
  .hero-actions { flex-direction: column; align-items: center; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .cta-actions { flex-direction: column; align-items: center; }
  .btn-large { width: 100%; justify-content: center; }
}