/* ═══════════════════════════════════════════
   ivanlafuente.com — Style
   Paleta: negro azulado + naranja vibrante
   Mobile-first, Inter font
   ═══════════════════════════════════════════ */

/* ── Variables ── */
:root {
  --bg: #0a0a0f;
  --bg2: #10101a;
  --bg3: #161622;
  --bg-card: #1a1a28;
  --accent: #ff6b2b;
  --accent-light: #ff8f5a;
  --accent-dark: #cc4a10;
  --gold: #c9a84c;
  --green: #25D366;
  --text: #f0f0f5;
  --text2: #a0a0b8;
  --text3: #666680;
  --border: rgba(255, 107, 43, 0.12);
  --glow: rgba(255, 107, 43, 0.2);
  --radius: 12px;
}

/* ── Reset ── */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.3s;
}
a:hover {
  color: var(--accent-light);
}

/* ── Utilidades ── */
.section {
  max-width: 1080px;
  margin: 0 auto;
  padding: 80px 24px;
}

.section-title {
  font-size: 2rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.4em;
}

.section-title .accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  color: var(--text2);
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.divider {
  height: 3px;
  width: 60px;
  background: linear-gradient(90deg, var(--accent), transparent);
  margin-bottom: 2rem;
  border-radius: 2px;
}

/* ── Botones ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s;
  border: none;
  font-family: inherit;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  box-shadow: 0 4px 20px var(--glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 107, 43, 0.35);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}
.btn-outline:hover {
  background: rgba(255, 107, 43, 0.1);
  color: var(--accent-light);
}

.btn-whatsapp {
  background: var(--green);
  color: #fff;
  font-size: 1.1rem;
  padding: 16px 32px;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
}
.btn-whatsapp:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4);
  color: #fff;
}

/* ── Cards ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 107, 43, 0.25);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}
.card:hover::before {
  opacity: 1;
}

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

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.card-text {
  color: var(--text2);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ── Badges y Tags ── */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-accent {
  background: rgba(255, 107, 43, 0.15);
  color: var(--accent);
}

.badge-green {
  background: rgba(37, 211, 102, 0.15);
  color: var(--green);
}

.badge-gold {
  background: rgba(201, 168, 76, 0.15);
  color: var(--gold);
}

.tag {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 500;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text3);
  margin: 2px;
}

/* ── Reveal animation ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ════════════════════════════════════════════
   NAV
   ════════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transform: translateY(-100%);
  transition: transform 0.4s ease;
}
.nav.visible {
  transform: translateY(0);
}

.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
}
.nav-logo img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
}

.nav-links {
  display: flex;
  gap: 24px;
  list-style: none;
}
.nav-links a {
  color: var(--text2);
  font-size: 0.85rem;
  font-weight: 500;
  transition: color 0.3s;
}
.nav-links a:hover {
  color: var(--accent);
}

.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
  transition: all 0.3s;
  border-radius: 2px;
}

/* ════════════════════════════════════════════
   HERO
   ════════════════════════════════════════════ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 107, 43, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 107, 43, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to top, var(--bg), transparent);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
}

.hero-avatar {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  margin: 0 auto 32px;
  border: 3px solid var(--accent);
  box-shadow: 0 0 40px var(--glow), 0 0 80px rgba(255, 107, 43, 0.08);
  object-fit: cover;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  margin-bottom: 12px;
  line-height: 1.1;
}

.hero .tagline {
  font-size: 1.25rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 16px;
}

.hero .sub-tagline {
  font-size: 1rem;
  color: var(--text2);
  margin-bottom: 36px;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ════════════════════════════════════════════
   SOBRE MI
   ════════════════════════════════════════════ */
.sobre-mi-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}

.sobre-mi-text p {
  color: var(--text2);
  margin-bottom: 1em;
  font-size: 1.05rem;
  line-height: 1.7;
}

.sobre-mi-text strong {
  color: var(--text);
}

.timeline {
  display: flex;
  gap: 0;
  position: relative;
  padding-top: 20px;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 24px;
  right: 24px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--gold), var(--accent));
  border-radius: 1px;
}

.timeline-item {
  flex: 1;
  text-align: center;
  position: relative;
  padding-top: 24px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  top: -5px;
  left: 50%;
  transform: translateX(-50%);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--glow);
}

.timeline-year {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
}

.timeline-label {
  font-size: 0.8rem;
  color: var(--text3);
}

/* ════════════════════════════════════════════
   NEGOCIOS
   ════════════════════════════════════════════ */
.negocios-section {
  background: var(--bg2);
}

.negocios-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.negocio-card .card-meta {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.negocio-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-weight: 600;
  font-size: 0.9rem;
}

/* ════════════════════════════════════════════
   AGENTES IA
   ════════════════════════════════════════════ */
.agentes-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.agente-card {
  cursor: pointer;
}

.agente-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}

.agente-icon {
  font-size: 2.2rem;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 107, 43, 0.08);
  border-radius: 12px;
}

.agente-name {
  font-size: 1.3rem;
  font-weight: 700;
}

.agente-role {
  font-size: 0.85rem;
  color: var(--text3);
}

.agente-desc {
  color: var(--text2);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.agente-stats {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.agente-tags {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.agente-details {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  border-top: 1px solid transparent;
}

.agente-card.open .agente-details {
  max-height: 400px;
  padding-top: 16px;
  margin-top: 16px;
  border-top-color: var(--border);
}

.agente-details-text {
  color: var(--text2);
  font-size: 0.9rem;
  line-height: 1.7;
}

.agente-expand-hint {
  font-size: 0.8rem;
  color: var(--text3);
  text-align: right;
  margin-top: 8px;
}

/* ════════════════════════════════════════════
   PROYECTOS
   ════════════════════════════════════════════ */
.proyectos-section {
  background: var(--bg2);
}

.proyectos-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.proyecto-icons {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  opacity: 0.85;
}
.proyecto-icons svg {
  transition: transform 0.2s;
}
.proyecto-icons svg:hover {
  transform: scale(1.15);
}

.proyecto-stat {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
  margin: 12px 0 4px;
}

.proyecto-stat-label {
  font-size: 0.8rem;
  color: var(--text3);
}

/* ════════════════════════════════════════════
   CURSOS IA
   ════════════════════════════════════════════ */
.cursos-header {
  text-align: center;
  margin-bottom: 48px;
}

.cursos-header .section-title {
  margin-bottom: 8px;
}

.cursos-header .section-subtitle {
  margin: 0 auto;
}

.cursos-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 48px;
}

.curso-card {
  position: relative;
}

.curso-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 30px rgba(255, 107, 43, 0.1);
}

.curso-numero {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.curso-titulo {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.curso-claim {
  color: var(--accent-light);
  font-style: italic;
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.curso-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.curso-meta span {
  font-size: 0.85rem;
  color: var(--text3);
}

.curso-modulos {
  list-style: none;
  margin-bottom: 16px;
}

.curso-modulos li {
  padding: 6px 0;
  font-size: 0.9rem;
  color: var(--text2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.curso-modulos li:last-child {
  border-bottom: none;
}

.curso-modulos .modulo-num {
  color: var(--accent);
  font-weight: 600;
  margin-right: 6px;
}

/* Pricing box */
.pricing-box {
  background: linear-gradient(135deg, var(--bg3), var(--bg-card));
  border: 2px solid var(--accent);
  border-radius: var(--radius);
  padding: 36px;
  text-align: center;
  margin-bottom: 48px;
  position: relative;
  overflow: hidden;
}

.pricing-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(255, 107, 43, 0.05), transparent 50%);
  pointer-events: none;
}

.pricing-promo {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 6px 16px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.pricing-old {
  font-size: 1.2rem;
  color: var(--text3);
  text-decoration: line-through;
  margin-bottom: 4px;
}

.pricing-price {
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 4px;
}

.pricing-currency {
  font-size: 1rem;
  color: var(--text2);
  margin-bottom: 24px;
}

.pricing-details {
  text-align: left;
  max-width: 400px;
  margin: 0 auto 24px;
}

.pricing-details li {
  color: var(--text2);
  font-size: 0.9rem;
  padding: 6px 0;
  list-style: none;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.pricing-details li::before {
  content: '\2713';
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}

/* Afiche */
.afiche-container {
  text-align: center;
  margin-bottom: 48px;
}

.afiche-img {
  max-width: 400px;
  margin: 0 auto;
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}
.afiche-img:hover {
  transform: scale(1.02);
  box-shadow: 0 12px 40px rgba(255, 107, 43, 0.15);
}

/* ════════════════════════════════════════════
   RESULTADOS / STATS
   ════════════════════════════════════════════ */
.resultados-section {
  background: var(--bg2);
  text-align: center;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 800px;
  margin: 0 auto;
}

.stat-item {
  padding: 24px;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text2);
  line-height: 1.4;
}

/* ════════════════════════════════════════════
   CTA FINAL
   ════════════════════════════════════════════ */
.cta-final {
  text-align: center;
  padding: 80px 24px;
  position: relative;
  overflow: hidden;
}

.cta-final::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(255, 107, 43, 0.08), transparent 70%);
  pointer-events: none;
}

.cta-final h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 12px;
  position: relative;
}

.cta-final p {
  color: var(--text2);
  margin-bottom: 28px;
  font-size: 1.05rem;
  position: relative;
}

.cta-final .btn-whatsapp {
  position: relative;
}

/* ════════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════════ */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 24px;
  text-align: center;
}

.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
}

.footer-links {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.footer-links a {
  color: var(--text2);
  font-size: 0.85rem;
}
.footer-links a:hover {
  color: var(--accent);
}

.footer-credit {
  color: var(--text3);
  font-size: 0.8rem;
  margin-top: 12px;
}

/* ════════════════════════════════════════════
   LIGHTBOX
   ════════════════════════════════════════════ */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.92);
  align-items: center;
  justify-content: center;
  padding: 24px;
  cursor: pointer;
}
.lightbox.active {
  display: flex;
}
.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  border-radius: 8px;
  box-shadow: 0 0 60px rgba(0, 0, 0, 0.6);
}

/* ════════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════════ */

/* Tablet */
@media (min-width: 601px) {
  .negocios-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .agentes-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .proyectos-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .cursos-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .sobre-mi-content {
    grid-template-columns: 1fr;
  }
}

/* Desktop */
@media (min-width: 960px) {
  .hero h1 {
    font-size: 3.8rem;
  }

  .hero-avatar {
    width: 200px;
    height: 200px;
  }

  .section-title {
    font-size: 2.4rem;
  }

  .agentes-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .sobre-mi-content {
    grid-template-columns: 1.4fr 1fr;
    align-items: start;
  }

  .timeline {
    flex-direction: column;
    gap: 0;
    padding-top: 0;
    padding-left: 20px;
  }

  .timeline::before {
    top: 12px;
    bottom: 12px;
    left: 0;
    right: auto;
    width: 2px;
    height: auto;
  }

  .timeline-item {
    text-align: left;
    padding-top: 0;
    padding-left: 28px;
    padding-bottom: 24px;
  }

  .timeline-item::before {
    top: 4px;
    left: -5px;
    transform: none;
  }

  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .pricing-price {
    font-size: 3.5rem;
  }
}

/* Mobile nav */
@media (max-width: 768px) {
  .nav-hamburger {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.97);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 16px 24px 24px;
    gap: 12px;
    border-bottom: 1px solid var(--border);
    display: none;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    font-size: 1rem;
    padding: 8px 0;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero .tagline {
    font-size: 1.05rem;
  }

  .section {
    padding: 60px 20px;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .stat-number {
    font-size: 2rem;
  }

  .pricing-price {
    font-size: 2.4rem;
  }
}

/* Hamburger animation */
.nav-hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
}
.nav-hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}