/* ═══════════ Digitalnexia — identidad visual ═══════════ */
:root {
  --bg: #0b0f19;
  --bg-alt: #0f1526;
  --surface: #131b30;
  --border: rgba(255, 255, 255, 0.09);
  --text: #eef2f9;
  --text-dim: #9aa7bd;
  --accent: #2dd4a7;
  --accent-strong: #14b88c;
  --amber: #ffb454;
  --radius: 16px;
  --font-display: "Sora", sans-serif;
  --font-body: "DM Sans", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 760px; }

h1, h2, h3, h4 { font-family: var(--font-display); line-height: 1.15; }
h1 { font-size: clamp(2.4rem, 5.5vw, 4rem); font-weight: 800; letter-spacing: -0.02em; }
h1 em { font-style: normal; color: var(--accent); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.5rem); font-weight: 700; letter-spacing: -0.01em; }
h3 { font-size: 1.25rem; font-weight: 600; }

a { color: var(--accent); text-decoration: none; }

.kicker {
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin-bottom: 12px;
}

.section-sub { color: var(--text-dim); max-width: 620px; margin-top: 14px; }

/* ─────────── Botones ─────────── */
.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
  text-align: center;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #06281e;
  box-shadow: 0 8px 28px rgba(45, 212, 167, 0.28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 34px rgba(45, 212, 167, 0.4); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.06); transform: translateY(-2px); }
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.btn-block { display: block; width: 100%; }

/* ─────────── Nav ─────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 15, 25, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 20px; }
.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text);
  letter-spacing: 0.02em;
}
.logo span { color: var(--accent); font-weight: 400; }
.nav-links { display: flex; gap: 28px; }
.nav-links a { color: var(--text-dim); font-size: 0.95rem; transition: color 0.15s; }
.nav-links a:hover { color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: 14px; }
.nav-burger {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 1.1rem;
  border-radius: 10px;
  padding: 6px 12px;
  cursor: pointer;
}

/* ─────────── Hero ─────────── */
.hero { position: relative; overflow: hidden; padding: 110px 0 90px; text-align: center; }
.hero-glow {
  position: absolute;
  inset: -40% -20% auto;
  height: 130%;
  background:
    radial-gradient(600px 340px at 30% 20%, rgba(45, 212, 167, 0.16), transparent 70%),
    radial-gradient(520px 300px at 75% 10%, rgba(255, 180, 84, 0.1), transparent 70%);
  pointer-events: none;
}
.hero-inner { position: relative; display: flex; flex-direction: column; align-items: center; gap: 26px; }
.badge {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid rgba(45, 212, 167, 0.35);
  background: rgba(45, 212, 167, 0.08);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 500;
}
.hero-sub { color: var(--text-dim); font-size: 1.15rem; max-width: 640px; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }
.hero-stats {
  display: flex;
  gap: 46px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 28px;
  padding-top: 34px;
  border-top: 1px solid var(--border);
  width: 100%;
  max-width: 820px;
}
.stat { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.stat strong { font-family: var(--font-display); font-size: 1.7rem; color: var(--accent); }
.stat span { color: var(--text-dim); font-size: 0.85rem; }

/* ─────────── Secciones ─────────── */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.grid { display: grid; gap: 24px; margin-top: 48px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ─────────── Cards servicios ─────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 28px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.card:hover { transform: translateY(-6px); border-color: rgba(45, 212, 167, 0.4); }
.card-featured { border-color: rgba(45, 212, 167, 0.45); box-shadow: 0 0 40px rgba(45, 212, 167, 0.09); }
.card-icon { font-size: 2rem; margin-bottom: 18px; }
.card h3 { margin-bottom: 12px; }
.card p { color: var(--text-dim); font-size: 0.97rem; margin-bottom: 16px; }
.card ul { list-style: none; }
.card li { color: var(--text-dim); font-size: 0.92rem; padding: 5px 0 5px 24px; position: relative; }
.card li::before { content: "✓"; color: var(--accent); position: absolute; left: 0; font-weight: 700; }

/* ─────────── Proceso ─────────── */
.step { padding: 28px 22px; border-left: 1px solid var(--border); }
.step-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.2rem;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--accent);
  display: block;
  margin-bottom: 14px;
}
.step h3 { margin-bottom: 8px; }
.step p { color: var(--text-dim); font-size: 0.94rem; }

/* ─────────── Precios ─────────── */
.pricing { align-items: stretch; }
.price-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 38px 30px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: transform 0.2s ease;
}
.price-card:hover { transform: translateY(-6px); }
.price-featured {
  border-color: var(--accent);
  box-shadow: 0 0 50px rgba(45, 212, 167, 0.13);
  background: linear-gradient(180deg, rgba(45, 212, 167, 0.07), var(--surface) 45%);
}
.price-tag {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #06281e;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.75rem;
  padding: 5px 16px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.price { color: var(--text-dim); font-size: 0.95rem; }
.price strong { font-family: var(--font-display); font-size: 2.3rem; color: var(--text); margin-left: 6px; }
.price-card ul { list-style: none; flex: 1; }
.price-card li { color: var(--text-dim); font-size: 0.93rem; padding: 6px 0; }
.pricing-note { text-align: center; color: var(--text-dim); font-size: 0.92rem; margin-top: 34px; }

/* ─────────── Testimonios ─────────── */
.quote {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.quote p { color: var(--text); font-size: 0.98rem; font-style: italic; }
.quote footer { color: var(--text-dim); font-size: 0.88rem; }
.quote footer strong { color: var(--accent); font-style: normal; }

/* ─────────── FAQ ─────────── */
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  margin-top: 14px;
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer;
  padding: 20px 24px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  list-style: none;
  position: relative;
  padding-right: 52px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 1.4rem;
  transition: transform 0.2s;
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item p { padding: 0 24px 22px; color: var(--text-dim); font-size: 0.95rem; }

/* ─────────── Formulario contacto ─────────── */
.contact-form {
  margin-top: 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-dim);
}
.contact-form input,
.contact-form textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.97rem;
  transition: border-color 0.15s;
  resize: vertical;
}
.contact-form input:focus,
.contact-form textarea:focus { outline: none; border-color: var(--accent); }
.form-status { min-height: 1.4em; font-size: 0.92rem; text-align: center; }
.form-status.ok { color: var(--accent); }
.form-status.error { color: #ff7a7a; }

/* ─────────── Footer ─────────── */
.footer { border-top: 1px solid var(--border); padding: 60px 0 30px; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 30px; }
.footer p { color: var(--text-dim); font-size: 0.92rem; margin-top: 10px; }
.footer h4 { font-size: 0.95rem; margin-bottom: 4px; }
.footer a { color: var(--text-dim); }
.footer a:hover { color: var(--accent); }
.footer-legal { text-align: center; color: var(--text-dim); font-size: 0.82rem; margin-top: 50px; opacity: 0.7; }

/* ─────────── Chat widget ─────────── */
.chat-widget { position: fixed; bottom: 24px; right: 24px; z-index: 100; }

.chat-bubble {
  position: relative;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  font-size: 1.6rem;
  cursor: pointer;
  box-shadow: 0 10px 32px rgba(45, 212, 167, 0.42);
  transition: transform 0.18s ease;
  display: grid;
  place-items: center;
}
.chat-bubble:hover { transform: scale(1.08); }
.chat-bubble-pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--accent);
  animation: pulse 2.2s ease-out infinite;
}
@keyframes pulse {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.55); opacity: 0; }
}

.chat-panel {
  position: absolute;
  bottom: 78px;
  right: 0;
  width: 380px;
  max-width: calc(100vw - 32px);
  height: 540px;
  max-height: calc(100vh - 130px);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.55);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: translateY(14px) scale(0.97);
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease;
}
.chat-panel.open { opacity: 1; transform: none; pointer-events: auto; }

.chat-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.chat-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  display: grid;
  place-items: center;
  font-size: 1.2rem;
}
.chat-header strong { font-family: var(--font-display); display: block; font-size: 0.98rem; }
.chat-status { color: var(--accent); font-size: 0.76rem; }
.chat-close {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 1rem;
  cursor: pointer;
  padding: 6px;
}
.chat-close:hover { color: var(--text); }

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.msg {
  max-width: 85%;
  padding: 11px 15px;
  border-radius: 16px;
  font-size: 0.93rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-wrap: break-word;
}
.msg-bot {
  background: var(--surface);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
  align-self: flex-start;
}
.msg-user {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #06281e;
  font-weight: 500;
  border-bottom-right-radius: 4px;
  align-self: flex-end;
}
.msg-typing { display: flex; gap: 5px; padding: 15px 17px; }
.msg-typing i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-dim);
  animation: blink 1.2s infinite;
}
.msg-typing i:nth-child(2) { animation-delay: 0.2s; }
.msg-typing i:nth-child(3) { animation-delay: 0.4s; }
@keyframes blink { 0%, 70%, 100% { opacity: 0.25; } 35% { opacity: 1; } }

.chat-suggestions {
  display: flex;
  gap: 8px;
  padding: 0 16px 12px;
  flex-wrap: wrap;
}
.chat-suggestions button {
  background: rgba(45, 212, 167, 0.09);
  border: 1px solid rgba(45, 212, 167, 0.3);
  color: var(--accent);
  border-radius: 999px;
  padding: 7px 13px;
  font-size: 0.78rem;
  cursor: pointer;
  transition: background 0.15s;
}
.chat-suggestions button:hover { background: rgba(45, 212, 167, 0.18); }

.chat-input {
  display: flex;
  gap: 10px;
  padding: 14px 16px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}
.chat-input input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 12px 18px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.93rem;
}
.chat-input input:focus { outline: none; border-color: var(--accent); }
.chat-input button {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #06281e;
  font-size: 1.05rem;
  cursor: pointer;
  transition: transform 0.15s;
}
.chat-input button:hover { transform: scale(1.07); }
.chat-input button:disabled { opacity: 0.5; cursor: default; transform: none; }

/* ─────────── Animación reveal ─────────── */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ─────────── Responsive ─────────── */
@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    padding: 18px 24px;
    gap: 16px;
  }
  .nav-links.open { display: flex; }
  .nav-burger { display: block; }
  .hero { padding: 70px 0 60px; }
  .hero-stats { gap: 26px; }
  .step { border-left: none; border-top: 1px solid var(--border); }
}