:root {
  --navy: #0a1930;
  --navy-deep: #060f1f;
  --white: #ffffff;
  --gold: #ffc107;
  --red: #e10600;
  --ink: #0a1930;
  --muted: #5c6b85;
  --border: rgba(10, 25, 48, 0.1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 20px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--white);
  overflow-x: hidden;
  position: relative;
}

/* Líneas de luz estilo AIX Studios — rojo/dorado/azul cruzando la página */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    linear-gradient(115deg, transparent 40%, rgba(225, 6, 0, 0.07) 47%, rgba(225, 6, 0, 0.12) 49%, transparent 55%),
    linear-gradient(115deg, transparent 55%, rgba(255, 193, 7, 0.1) 61%, rgba(255, 193, 7, 0.14) 63%, transparent 70%),
    linear-gradient(115deg, transparent 15%, rgba(10, 25, 48, 0.08) 21%, rgba(10, 25, 48, 0.12) 23%, transparent 30%);
  background-repeat: no-repeat;
  background-size: 200% 200%;
}

h1, h2, h3, h4, .logo {
  font-family: 'Poppins', system-ui, sans-serif;
  font-weight: 800;
  margin: 0;
  color: var(--navy);
}

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

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

#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}

.logo {
  font-size: 1.8rem;
  text-decoration: none;
}

.logo .accent {
  background: linear-gradient(90deg, var(--red), var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.main-nav a {
  color: var(--navy);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05rem;
}

.nav-cta {
  background: var(--navy);
  color: var(--white) !important;
  padding: 10px 22px;
  border-radius: 999px;
  border: none;
  font-family: inherit;
  cursor: pointer;
}

.btn {
  border: none;
  font-family: inherit;
  cursor: pointer;
}

/* Hero */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  top: -20%;
  right: -15%;
  width: 60%;
  height: 140%;
  background: radial-gradient(circle, rgba(255, 193, 7, 0.16) 0%, rgba(225, 6, 0, 0.08) 45%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}

.hero h1 .accent {
  background: linear-gradient(90deg, var(--red), var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-inner {
  max-width: 900px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--navy);
  font-size: 1rem;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  line-height: 1.1;
  margin-bottom: 28px;
}

.hero-sub {
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  color: var(--muted);
  max-width: 700px;
  margin-bottom: 40px;
}

.hero-actions {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 18px 36px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: linear-gradient(135deg, var(--navy) 0%, #142a52 60%, var(--navy) 100%);
  color: var(--white);
  box-shadow: 0 10px 28px rgba(10, 25, 48, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 14px 34px rgba(225, 6, 0, 0.28);
}

.btn-ghost {
  background: transparent;
  color: var(--navy);
  border: 2px solid var(--gold);
}

.btn-ghost:hover {
  background: rgba(255, 193, 7, 0.1);
}

.btn-lg { font-size: 1.3rem; padding: 22px 48px; }

/* Sections */
.section { padding: 100px 0; }

.section h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 16px;
}

.section-sub {
  font-size: clamp(1.1rem, 1.5vw, 1.3rem);
  color: var(--muted);
  max-width: 640px;
  margin-bottom: 56px;
}

/* Cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.card {
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: 24px;
  padding: 40px;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--red), var(--gold));
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(10, 25, 48, 0.12);
  border-color: rgba(255, 193, 7, 0.4);
}

.card-featured {
  background: linear-gradient(135deg, var(--navy) 0%, #0f2347 100%);
  border-color: var(--navy);
}

.card-featured::before {
  background: linear-gradient(90deg, var(--gold), var(--red), var(--gold));
}

.card-featured:hover {
  box-shadow: 0 20px 44px rgba(255, 193, 7, 0.22);
}

.card-featured h3, .card-featured p { color: var(--white); }

.card-tag {
  display: inline-block;
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--red);
  margin-bottom: 14px;
}

.card-featured .card-tag { color: var(--gold); }

.card-badge {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  object-fit: cover;
  margin-bottom: 18px;
  box-shadow: 0 6px 16px rgba(10, 25, 48, 0.18);
}

.card h3 { font-size: 1.8rem; margin-bottom: 14px; }
.card p { color: var(--muted); margin: 0; font-size: 1.1rem; }

/* Case study */
.case-study {
  background: linear-gradient(120deg, var(--navy-deep) 0%, var(--navy) 45%, #101f42 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.case-study::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, transparent 60%, rgba(255, 193, 7, 0.12) 68%, transparent 76%),
    linear-gradient(115deg, transparent 10%, rgba(225, 6, 0, 0.14) 18%, transparent 26%);
  pointer-events: none;
}

.case-study .wrap { position: relative; }

.case-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.case-copy .eyebrow { color: var(--gold); }
.case-copy h2 { color: var(--white); font-size: clamp(2.4rem, 5vw, 3.6rem); margin-bottom: 20px; }
.case-copy p { color: rgba(255,255,255,0.85); font-size: 1.25rem; }

.case-stats {
  display: flex;
  gap: 40px;
}

.stat { text-align: left; }

.stat-number {
  display: block;
  font-family: 'Poppins', sans-serif;
  font-weight: 900;
  font-size: clamp(2.6rem, 6vw, 4rem);
  background: linear-gradient(90deg, var(--gold), #fff3c4, var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
}

.stat-label {
  display: block;
  margin-top: 10px;
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
}

/* Portfolio */
.portfolio-featured {
  border: 2px solid var(--border);
  border-radius: 24px;
  padding: 40px;
  margin-bottom: 24px;
}

.portfolio-badge {
  display: inline-block;
  background: var(--navy);
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.portfolio-featured h3 { font-size: 1.8rem; margin-bottom: 14px; }
.portfolio-featured p { color: var(--muted); font-size: 1.1rem; margin-bottom: 20px; }
.portfolio-featured a {
  color: var(--navy);
  font-weight: 700;
  text-decoration: none;
  font-size: 1.05rem;
}

.portfolio-minor {
  padding: 32px 40px;
  background: #f4f6fa;
  border-radius: 24px;
}

.portfolio-minor h4 { font-size: 1.2rem; margin-bottom: 8px; }
.portfolio-minor p { color: var(--muted); margin: 0 0 16px; }
.minor-links { display: flex; gap: 24px; }
.minor-links a { color: var(--navy); font-weight: 700; text-decoration: none; }

/* Contacto */
.contacto { text-align: center; }
.contacto-inner { display: flex; flex-direction: column; align-items: center; }

/* Footer */
.site-footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--muted);
  font-size: 1rem;
}

/* Chat widget */
.chat-widget {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 200;
}

.chat-toggle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 2px solid var(--gold);
  background: linear-gradient(135deg, var(--navy) 0%, #142a52 100%);
  color: var(--white);
  font-size: 1.6rem;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(10, 25, 48, 0.4), 0 0 0 4px rgba(255, 193, 7, 0.12);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.chat-toggle:hover {
  transform: scale(1.06);
  box-shadow: 0 10px 28px rgba(225, 6, 0, 0.3), 0 0 0 4px rgba(255, 193, 7, 0.18);
}

.chat-panel {
  position: absolute;
  bottom: 80px;
  right: 0;
  width: min(360px, 90vw);
  height: 480px;
  background: var(--white);
  border-radius: 20px;
  box-shadow: 0 16px 48px rgba(10, 25, 48, 0.25);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.chat-panel.hidden { display: none; }

.chat-header {
  background: var(--navy);
  color: var(--white);
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 700;
}

.chat-header button {
  background: none;
  border: none;
  color: var(--white);
  font-size: 1.1rem;
  cursor: pointer;
}

.chat-messages {
  flex: 1;
  padding: 16px 20px;
  overflow-y: auto;
  font-size: 0.95rem;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chat-msg {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: 14px;
  line-height: 1.4;
  white-space: pre-wrap;
}

.chat-msg.bot {
  background: #f0f2f7;
  color: var(--ink);
  align-self: flex-start;
}

.chat-msg.user {
  background: var(--navy);
  color: var(--white);
  align-self: flex-end;
}

.chat-msg.wa a {
  color: var(--gold);
  font-weight: 700;
}

.chat-form {
  display: flex;
  border-top: 1px solid var(--border);
}

.chat-form input {
  flex: 1;
  border: none;
  padding: 14px 16px;
  font-size: 0.95rem;
  font-family: inherit;
}

.chat-form input:focus { outline: none; }

.chat-form button {
  border: none;
  background: var(--navy);
  color: var(--white);
  padding: 0 20px;
  font-weight: 700;
  cursor: pointer;
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  border: none;
  background: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 3px;
  border-radius: 2px;
  background: var(--navy);
}

/* Responsive */
@media (max-width: 860px) {
  .nav-toggle { display: flex; }

  .main-nav {
    position: fixed;
    top: 73px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 24px 24px;
    box-shadow: 0 12px 24px rgba(10, 25, 48, 0.12);
    transform: translateY(-130%);
    transition: transform 0.25s ease;
  }

  .main-nav.open { transform: translateY(0); }

  .main-nav a:not(.nav-cta) {
    display: block;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
  }

  .main-nav .nav-cta {
    margin-top: 16px;
    text-align: center;
  }

  .cards-grid { grid-template-columns: 1fr; }
  .case-inner { grid-template-columns: 1fr; }
  .case-stats { gap: 24px; }
  body { font-size: 18px; }
}