/* ═══════════════════════════════════════════════════════════════
   JUANDA STUDIO — Sistema de Diseño Global
   juandastudio.co | "Cine con Inteligencia."
═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700;900&family=Source+Sans+3:wght@300;400;600&display=swap');

:root {
  /* Paleta principal */
  --amarillo: #E8BB00;
  --negro: #0D0D0D;
  --blanco: #FFFFFF;
  --crema: #F5F0E8;
  --gris: #9A9A9A;
  --gris-dark: #1A1A1A;
  --gris-mid: #2A2A2A;

  /* Colores por línea */
  --films: #E8BB00;
  --lab: #1A1A2E;
  --lab-accent: #4D9FFF;
  --tech: #1A4D2E;
  --tech-accent: #4DFF9F;
  --consulting: #4A1A5C;
  --consulting-accent: #BF7FFF;
  --academy: #C45C00;
  --academy-accent: #FF9F4D;

  /* Tipografía */
  --font-display: 'Montserrat', sans-serif;
  --font-body: 'Source Sans 3', sans-serif;

  /* Espaciado */
  --section-padding: 100px 0;
  --container-max: 1200px;
  --radius: 4px;

  /* Transiciones */
  --transition: 0.3s ease;
}

/* ─── RESET ─────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  background-color: var(--negro);
  color: var(--blanco);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ─── CONTAINER ─────────────────────────────────────────── */
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
section { padding: var(--section-padding); }

/* ─── TIPOGRAFÍA ─────────────────────────────────────────── */
.display { font-family: var(--font-display); font-weight: 900; line-height: 1.05; letter-spacing: -0.02em; }
.subtitle { font-family: var(--font-display); font-weight: 600; }
h1,h2,h3 { font-family: var(--font-display); line-height: 1.1; }
.eyebrow { font-family: var(--font-display); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: var(--amarillo); }

/* ─── BOTONES ─────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; font-family: var(--font-display); font-weight: 700;
  font-size: 0.9rem; letter-spacing: 0.05em; text-transform: uppercase;
  border-radius: var(--radius); cursor: pointer; transition: var(--transition);
  border: 2px solid transparent;
}
.btn-primary { background: var(--amarillo); color: var(--negro); }
.btn-primary:hover { background: #ffcf00; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232,187,0,0.3); }
.btn-outline { background: transparent; color: var(--blanco); border-color: rgba(255,255,255,0.3); }
.btn-outline:hover { border-color: var(--amarillo); color: var(--amarillo); }
.btn-whatsapp { background: #25D366; color: var(--negro); }
.btn-whatsapp:hover { background: #20c55b; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(37,211,102,0.3); }

/* ─── NAV ────────────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 20px 0; transition: var(--transition);
}
.nav.scrolled {
  background: rgba(13,13,13,0.95); backdrop-filter: blur(20px);
  padding: 12px 0; border-bottom: 1px solid rgba(232,187,0,0.15);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display); font-weight: 900; font-size: 1.5rem;
  color: var(--blanco); letter-spacing: -0.02em;
}
.nav-logo span { color: var(--amarillo); }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { font-family: var(--font-display); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--gris); transition: var(--transition); }
.nav-links a:hover { color: var(--amarillo); }
.nav-cta { display: flex; gap: 12px; align-items: center; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--blanco); transition: var(--transition); }

/* ─── HERO ───────────────────────────────────────────────── */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  position: relative; padding: 160px 0 100px; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background: radial-gradient(ellipse at 60% 50%, rgba(232,187,0,0.06) 0%, transparent 60%),
              radial-gradient(ellipse at 10% 80%, rgba(77,159,255,0.04) 0%, transparent 50%);
}
.hero-grid-lines {
  position: absolute; inset: 0; z-index: 0;
  background-image: linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 80px 80px;
}
.hero-content { position: relative; z-index: 1; max-width: 800px; }
.hero-eyebrow { margin-bottom: 24px; }
.hero-title {
  font-size: clamp(3rem, 8vw, 6.5rem); font-weight: 900; font-family: var(--font-display);
  line-height: 1; letter-spacing: -0.03em; margin-bottom: 28px;
}
.hero-title .accent { color: var(--amarillo); }
.hero-descriptor { font-size: 1.15rem; color: var(--gris); max-width: 520px; margin-bottom: 48px; line-height: 1.7; }
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 72px; }
.hero-lines { display: flex; gap: 32px; flex-wrap: wrap; }
.hero-line-tag {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-display); font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--gris);
}
.hero-line-dot { width: 8px; height: 8px; border-radius: 50%; }
.hero-line-dot.films { background: var(--amarillo); }
.hero-line-dot.lab { background: var(--lab-accent); }
.hero-line-dot.tech { background: var(--tech-accent); }
.hero-line-dot.consulting { background: var(--consulting-accent); }
.hero-scroll { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); text-align: center; z-index: 1; }
.hero-scroll span { font-size: 0.7rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--gris); display: block; margin-bottom: 8px; }
.scroll-line { width: 1px; height: 48px; background: linear-gradient(var(--amarillo), transparent); margin: 0 auto; animation: scrollLine 2s ease-in-out infinite; }
@keyframes scrollLine { 0%,100%{opacity:0.3;transform:scaleY(1)} 50%{opacity:1;transform:scaleY(1.2)} }

/* ─── LINEAS GRID ────────────────────────────────────────── */
.lineas-section { background: var(--gris-dark); }
.section-header { text-align: center; margin-bottom: 64px; }
.section-header h2 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 900; margin-top: 12px; }
.lineas-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 2px; }
.linea-card {
  background: var(--negro); padding: 48px 36px; position: relative; overflow: hidden;
  transition: var(--transition); cursor: pointer;
  border-bottom: 3px solid transparent;
}
.linea-card::before { content:''; position:absolute; top:0; left:0; right:0; height:2px; }
.linea-card.films { border-bottom-color: var(--films); }
.linea-card.films::before { background: var(--films); }
.linea-card.lab { border-bottom-color: var(--lab-accent); }
.linea-card.lab::before { background: linear-gradient(90deg, var(--lab), var(--lab-accent)); }
.linea-card.tech { border-bottom-color: var(--tech-accent); }
.linea-card.tech::before { background: linear-gradient(90deg, var(--tech), var(--tech-accent)); }
.linea-card.consulting { border-bottom-color: var(--consulting-accent); }
.linea-card.consulting::before { background: linear-gradient(90deg, var(--consulting), var(--consulting-accent)); }
.linea-card.academy { border-bottom-color: var(--academy-accent); opacity: 0.6; }
.linea-card.academy::before { background: var(--academy); }
.linea-card:hover { transform: translateY(-4px); background: var(--gris-mid); }
.linea-badge {
  display: inline-block; padding: 4px 12px; font-family: var(--font-display);
  font-size: 0.65rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  border-radius: 2px; margin-bottom: 20px;
}
.linea-card.films .linea-badge { background: rgba(232,187,0,0.15); color: var(--amarillo); }
.linea-card.lab .linea-badge { background: rgba(77,159,255,0.15); color: var(--lab-accent); }
.linea-card.tech .linea-badge { background: rgba(77,255,159,0.15); color: var(--tech-accent); }
.linea-card.consulting .linea-badge { background: rgba(191,127,255,0.15); color: var(--consulting-accent); }
.linea-card.academy .linea-badge { background: rgba(255,159,77,0.15); color: var(--academy-accent); }
.linea-card h3 { font-size: 1.5rem; font-weight: 900; margin-bottom: 12px; }
.linea-card p { font-size: 0.95rem; color: var(--gris); line-height: 1.6; margin-bottom: 24px; }
.linea-link {
  font-family: var(--font-display); font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; display: flex; align-items: center; gap: 8px;
  transition: var(--transition);
}
.linea-card.films .linea-link { color: var(--amarillo); }
.linea-card.lab .linea-link { color: var(--lab-accent); }
.linea-card.tech .linea-link { color: var(--tech-accent); }
.linea-card.consulting .linea-link { color: var(--consulting-accent); }
.linea-card.academy .linea-link { color: var(--academy-accent); }
.linea-link::after { content: '→'; transition: transform 0.2s; }
.linea-card:hover .linea-link::after { transform: translateX(4px); }
.linea-coming { font-size: 0.75rem; color: var(--gris); font-style: italic; }

/* ─── NÚMEROS ────────────────────────────────────────────── */
.numeros { border-top: 1px solid rgba(255,255,255,0.05); border-bottom: 1px solid rgba(255,255,255,0.05); }
.numeros-grid { display: grid; grid-template-columns: repeat(4,1fr); text-align: center; gap: 1px; background: rgba(255,255,255,0.05); }
.numero-item { background: var(--negro); padding: 60px 24px; }
.numero-value { font-family: var(--font-display); font-size: clamp(2.5rem,5vw,4rem); font-weight: 900; color: var(--amarillo); line-height: 1; margin-bottom: 8px; }
.numero-label { font-size: 0.85rem; color: var(--gris); text-transform: uppercase; letter-spacing: 0.1em; }

/* ─── SERVICIOS ──────────────────────────────────────────── */
.servicios-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.servicio-card {
  background: var(--gris-dark); border: 1px solid rgba(255,255,255,0.06);
  padding: 40px 32px; border-radius: var(--radius); transition: var(--transition);
}
.servicio-card:hover { border-color: rgba(232,187,0,0.3); transform: translateY(-4px); }
.servicio-icon { font-size: 2rem; margin-bottom: 20px; }
.servicio-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 12px; }
.servicio-card p { font-size: 0.9rem; color: var(--gris); line-height: 1.7; margin-bottom: 16px; }
.servicio-precio { font-family: var(--font-display); font-size: 0.8rem; font-weight: 700; color: var(--amarillo); }

/* ─── PORTAFOLIO PREVIEW ─────────────────────────────────── */
.portafolio-section { background: var(--gris-dark); }
.portafolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; margin-bottom: 48px; }
.portafolio-item {
  aspect-ratio: 16/9; background: var(--gris-mid); position: relative; overflow: hidden;
  cursor: pointer;
}
.portafolio-item:first-child { grid-column: span 2; }
.portafolio-placeholder {
  width: 100%; height: 100%; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 8px;
  background: linear-gradient(135deg, var(--gris-mid) 0%, var(--gris-dark) 100%);
  transition: var(--transition);
}
.portafolio-item:hover .portafolio-placeholder { transform: scale(1.02); }
.portafolio-overlay {
  position: absolute; inset: 0; background: linear-gradient(transparent 40%, rgba(13,13,13,0.9));
  opacity: 0; transition: var(--transition); display: flex; align-items: flex-end; padding: 24px;
}
.portafolio-item:hover .portafolio-overlay { opacity: 1; }
.portafolio-info h4 { font-family: var(--font-display); font-weight: 700; font-size: 0.95rem; }
.portafolio-info span { font-size: 0.75rem; color: var(--amarillo); }
.portafolio-logo-text { font-family: var(--font-display); font-size: 1.5rem; font-weight: 900; color: rgba(255,255,255,0.1); }
.portafolio-label { font-size: 0.7rem; color: var(--gris); letter-spacing: 0.1em; text-transform: uppercase; }

/* ─── PROCESO ────────────────────────────────────────────── */
.proceso-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0; position: relative; }
.proceso-steps::before { content:''; position:absolute; top:32px; left:0; right:0; height:1px; background:linear-gradient(90deg, transparent, var(--amarillo), transparent); z-index:0; }
.proceso-step { text-align: center; padding: 0 24px; position: relative; z-index: 1; }
.proceso-number {
  width: 64px; height: 64px; border-radius: 50%; display: flex; align-items: center;
  justify-content: center; margin: 0 auto 24px; font-family: var(--font-display);
  font-weight: 900; font-size: 1.25rem; background: var(--negro);
  border: 2px solid var(--amarillo); color: var(--amarillo);
}
.proceso-step h4 { font-weight: 700; margin-bottom: 8px; font-size: 1rem; }
.proceso-step p { font-size: 0.85rem; color: var(--gris); }

/* ─── TESTIMONIOS ────────────────────────────────────────── */
.testimonios { background: var(--gris-dark); }
.testimonios-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px,1fr)); gap: 24px; }
.testimonio-card {
  background: var(--negro); padding: 40px 36px; border-radius: var(--radius);
  border-left: 3px solid var(--amarillo); position: relative;
}
.testimonio-card::before { content:'"'; position:absolute; top:16px; right:24px; font-size:4rem; color:rgba(232,187,0,0.1); font-family:serif; line-height:1; }
.testimonio-text { font-size: 1rem; line-height: 1.7; margin-bottom: 24px; font-style: italic; color: var(--crema); }
.testimonio-author { display: flex; align-items: center; gap: 12px; }
.testimonio-avatar {
  width: 44px; height: 44px; border-radius: 50%; background: var(--gris-mid);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 900; font-size: 1rem; color: var(--amarillo);
  border: 2px solid var(--amarillo);
}
.testimonio-name { font-family: var(--font-display); font-weight: 700; font-size: 0.9rem; }
.testimonio-company { font-size: 0.8rem; color: var(--gris); }
.estrellas { color: var(--amarillo); font-size: 0.8rem; margin-bottom: 16px; letter-spacing: 2px; }

/* ─── CTA BAND ───────────────────────────────────────────── */
.cta-band {
  background: var(--amarillo); padding: 80px 0; text-align: center;
}
.cta-band h2 { font-family: var(--font-display); font-weight: 900; font-size: clamp(2rem,4vw,3.5rem); color: var(--negro); margin-bottom: 16px; }
.cta-band p { color: rgba(0,0,0,0.6); font-size: 1.1rem; margin-bottom: 40px; }
.cta-band .btn-whatsapp { background: var(--negro); color: var(--blanco); font-size: 1rem; padding: 18px 40px; }
.cta-band .btn-whatsapp:hover { background: var(--gris-dark); box-shadow: 0 12px 32px rgba(0,0,0,0.3); }

/* ─── CLIENTES ───────────────────────────────────────────── */
.clientes-strip { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 48px; padding: 60px 0; border-top: 1px solid rgba(255,255,255,0.05); border-bottom: 1px solid rgba(255,255,255,0.05); }
.cliente-name { font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; color: rgba(255,255,255,0.25); letter-spacing: 0.1em; text-transform: uppercase; transition: var(--transition); }
.cliente-name:hover { color: rgba(255,255,255,0.6); }

/* ─── FOOTER ─────────────────────────────────────────────── */
.footer { background: var(--gris-dark); padding: 80px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 60px; }
.footer-brand { }
.footer-logo { font-family: var(--font-display); font-weight: 900; font-size: 1.6rem; margin-bottom: 16px; }
.footer-logo span { color: var(--amarillo); }
.footer-tagline { color: var(--gris); font-size: 0.9rem; margin-bottom: 24px; line-height: 1.6; }
.footer-social { display: flex; gap: 12px; }
.social-btn {
  width: 40px; height: 40px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  color: var(--gris); font-size: 0.9rem; transition: var(--transition);
}
.social-btn:hover { border-color: var(--amarillo); color: var(--amarillo); }
.footer-col h4 { font-family: var(--font-display); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.15em; text-transform: uppercase; color: var(--amarillo); margin-bottom: 20px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: var(--gris); font-size: 0.9rem; transition: var(--transition); }
.footer-col ul li a:hover { color: var(--blanco); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 32px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-bottom p { font-size: 0.8rem; color: var(--gris); }
.footer-eslogan { font-family: var(--font-display); font-weight: 700; font-size: 0.8rem; color: var(--amarillo); letter-spacing: 0.1em; }

/* ─── WHATSAPP FAB ───────────────────────────────────────── */
.whatsapp-fab {
  position: fixed; bottom: 28px; right: 28px; z-index: 999;
  width: 60px; height: 60px; background: #25D366; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4); transition: var(--transition);
  cursor: pointer;
}
.whatsapp-fab:hover { transform: scale(1.1); box-shadow: 0 8px 32px rgba(37,211,102,0.5); }
.whatsapp-fab svg { width: 28px; height: 28px; fill: var(--negro); }

/* ─── MOBILE NAV ─────────────────────────────────────────── */
.mobile-menu {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0; z-index: 999;
  background: var(--negro); display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 32px;
  transform: translateX(100%); transition: transform 0.4s ease;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu a { font-family: var(--font-display); font-size: 1.5rem; font-weight: 900; color: var(--blanco); }
.mobile-menu a:hover { color: var(--amarillo); }
.mobile-close { position: absolute; top: 24px; right: 24px; background: none; border: none; color: var(--blanco); font-size: 1.5rem; cursor: pointer; }

/* ─── UTILIDADES ─────────────────────────────────────────── */
.text-amarillo { color: var(--amarillo); }
.text-gris { color: var(--gris); }
.text-center { text-align: center; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-32 { margin-top: 32px; }
.mb-48 { margin-bottom: 48px; }

/* ─── ANIMACIONES ────────────────────────────────────────── */
.fade-up { opacity: 0; transform: translateY(32px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ─── RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .numeros-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 768px) {
  :root { --section-padding: 72px 0; }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .hero-title { font-size: clamp(2.5rem, 10vw, 4rem); }
  .lineas-grid { grid-template-columns: 1fr; }
  .portafolio-grid { grid-template-columns: 1fr; }
  .portafolio-item:first-child { grid-column: span 1; }
  .proceso-steps { grid-template-columns: 1fr 1fr; }
  .proceso-steps::before { display: none; }
  .numeros-grid { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cta-band h2 { font-size: clamp(1.8rem, 6vw, 2.5rem); }
}
@media (max-width: 480px) {
  .hero-ctas { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .numeros-grid { grid-template-columns: 1fr 1fr; }
  .proceso-steps { grid-template-columns: 1fr; }
  .clientes-strip { gap: 24px; }