/* Quantum Fly Web — stylesheet */

:root {
  --bg: #ffffff;
  --bg-alt: #f6f7fb;
  --ink: #14152b;
  --ink-soft: #52546e;
  --muted: #7a7c98;
  --border: #e6e7f2;

  --primary: #6366f1;
  --primary-dark: #4338ca;
  --secondary: #a855f7;
  --accent: #22d3ee;

  --dark: #0b0f2d;
  --dark-2: #131737;

  --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  --gradient-radial: radial-gradient(circle at 30% 20%, rgba(99,102,241,0.35), transparent 60%);

  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 20px 50px -20px rgba(20, 21, 43, 0.25);
  --shadow-sm: 0 8px 24px -12px rgba(20, 21, 43, 0.2);

  --font-heading: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  color: var(--ink);
  line-height: 1.2;
  font-weight: 700;
}

p { color: var(--ink-soft); }

a { color: inherit; text-decoration: none; }

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

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.skip-link {
  position: absolute; left: -999px; top: 0;
  background: var(--primary); color: #fff; padding: 10px 16px; z-index: 200;
}
.skip-link:focus { left: 10px; top: 10px; }

.tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--primary);
  background: rgba(99, 102, 241, 0.1);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  padding: 13px 24px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 10px 30px -8px rgba(99, 102, 241, 0.55);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 34px -8px rgba(99, 102, 241, 0.65); }
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}
.btn-outline:hover { background: rgba(99,102,241,0.08); transform: translateY(-2px); }
.btn-ghost {
  background: rgba(255,255,255,0.08);
  color: #fff;
  border: 1.5px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover { background: rgba(255,255,255,0.16); transform: translateY(-2px); }
.btn-lg { padding: 16px 30px; font-size: 16px; }
.btn-sm { padding: 9px 18px; font-size: 14px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 76px;
}
.logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-heading); font-weight: 700; font-size: 18px;
}
.main-nav { display: flex; gap: 30px; }
.main-nav a {
  font-size: 15px; font-weight: 500; color: var(--ink-soft);
  transition: color 0.15s ease;
}
.main-nav a:hover { color: var(--primary); }

.header-actions { display: flex; align-items: center; gap: 18px; }

.lang-switch {
  display: flex; align-items: center; gap: 4px;
  font-size: 14px; font-weight: 600;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 6px;
}
.lang-btn {
  background: transparent; border: none; cursor: pointer;
  padding: 5px 10px; border-radius: 999px;
  color: var(--muted); font-weight: 600; font-size: 13px;
  transition: all 0.15s ease;
}
.lang-btn.active { background: var(--gradient); color: #fff; }
.lang-sep { color: var(--border); font-size: 12px; }

.menu-toggle {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 34px; height: 34px; background: none; border: none; cursor: pointer;
}
.menu-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px; }

/* Hero */
.hero {
  position: relative;
  background: var(--dark);
  color: #fff;
  overflow: hidden;
  padding: 120px 0 90px;
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg .orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px); opacity: 0.55;
}
.orb-1 { width: 480px; height: 480px; background: var(--primary); top: -160px; left: -120px; }
.orb-2 { width: 420px; height: 420px; background: var(--secondary); bottom: -180px; right: -100px; }
.grid-overlay {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(ellipse at center, black 40%, transparent 80%);
}
.hero-inner { position: relative; z-index: 1; max-width: 780px; }
.hero .tag { background: rgba(255,255,255,0.1); color: #c7c9ff; }
.hero h1 {
  font-size: clamp(2.1rem, 4.6vw, 3.4rem);
  color: #fff;
  margin-bottom: 22px;
}
.hero-subtitle { color: #c6c8e6; font-size: 17px; max-width: 620px; margin-bottom: 34px; }
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 60px; }
.hero-stats { display: flex; gap: 44px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; }
.stat-num { font-family: var(--font-heading); font-size: 28px; font-weight: 700; color: #fff; }
.stat-label { font-size: 13px; color: #9294c2; }

/* Section shared */
section { padding: 100px 0; }
.section-head { max-width: 640px; margin: 0 auto 56px; text-align: center; }
.section-head h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); margin-bottom: 14px; }
.section-head p { font-size: 16px; }

/* Services */
.services { background: var(--bg-alt); }
.service-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 28px;
  margin-bottom: 70px;
}
.service-card {
  background: #fff; border-radius: var(--radius); padding: 40px 34px;
  box-shadow: var(--shadow-sm); border: 1px solid var(--border);
  display: flex; flex-direction: column;
}
.service-card--primary { border-top: 4px solid var(--primary); }
.service-card--secondary { border-top: 4px solid var(--secondary); }
.badge {
  align-self: flex-start;
  font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em;
  color: var(--primary); background: rgba(99,102,241,0.1);
  padding: 5px 12px; border-radius: 999px; margin-bottom: 20px;
}
.badge--alt { color: var(--secondary); background: rgba(168,85,247,0.1); }
.service-icon {
  width: 56px; height: 56px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  background: var(--gradient); color: #fff; margin-bottom: 20px;
}
.service-icon--alt { background: linear-gradient(135deg, var(--secondary), var(--accent)); }
.service-card h3 { font-size: 22px; margin-bottom: 12px; }
.service-card > p { margin-bottom: 22px; }
.feature-list { list-style: none; margin-bottom: 28px; flex-grow: 1; }
.feature-list li {
  position: relative; padding-left: 26px; margin-bottom: 12px;
  font-size: 14.5px; color: var(--ink-soft);
}
.feature-list li::before {
  content: "✓"; position: absolute; left: 0; top: 0;
  color: var(--primary); font-weight: 700;
}
.service-card--secondary .feature-list li::before { color: var(--secondary); }
.service-card .btn { align-self: flex-start; }

.process h3 { text-align: center; font-size: 22px; margin-bottom: 36px; }
.process-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px;
}
.process-step {
  background: #fff; border-radius: var(--radius-sm); padding: 24px 18px;
  text-align: center; border: 1px solid var(--border);
}
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--gradient); color: #fff; font-weight: 700; font-size: 14px;
  margin-bottom: 14px;
}
.process-step h4 { font-size: 15px; margin-bottom: 8px; }
.process-step p { font-size: 13px; }
.timing-note { text-align: center; margin-top: 30px; font-size: 13.5px; color: var(--muted); }

/* About */
.about-inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.about-text p { margin-bottom: 16px; font-size: 15.5px; }
.values-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.value-card {
  background: var(--bg-alt); border-radius: var(--radius-sm); padding: 24px;
  border: 1px solid var(--border);
}
.value-icon { font-size: 26px; margin-bottom: 10px; }
.value-card h4 { font-size: 15.5px; margin-bottom: 8px; }
.value-card p { font-size: 13.5px; }

/* Portfolio */
.portfolio { background: var(--bg-alt); }
.portfolio-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px;
}
.portfolio-card {
  background: #fff; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--border); box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease;
  display: block;
}
.portfolio-card:hover { transform: translateY(-4px); }
.portfolio-card--live { cursor: pointer; }
.portfolio-visual {
  height: 150px; display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.portfolio-visual span {
  font-family: var(--font-heading); font-size: 46px; font-weight: 800;
  color: rgba(255,255,255,0.55);
}
.portfolio-visual--photo img {
  width: 100%; height: 100%; object-fit: cover; display: block;
}
.portfolio-visual .portfolio-real-badge {
  position: absolute; top: 10px; left: 10px;
  font-family: var(--font-body); font-size: 11px; font-weight: 700;
  color: var(--primary); background: #fff;
  padding: 4px 10px; border-radius: 999px;
  text-transform: uppercase; letter-spacing: 0.03em;
}
.portfolio-link {
  display: inline-block; margin-top: 10px;
  font-size: 12.5px; font-weight: 700; color: var(--primary);
}
.portfolio-card--live:hover .portfolio-link { text-decoration: underline; }
.grad-1 .portfolio-visual { background: linear-gradient(135deg,#6366f1,#22d3ee); }
.grad-2 .portfolio-visual { background: linear-gradient(135deg,#a855f7,#6366f1); }
.grad-3 .portfolio-visual { background: linear-gradient(135deg,#22d3ee,#6366f1); }
.grad-4 .portfolio-visual { background: linear-gradient(135deg,#4338ca,#a855f7); }
.grad-5 .portfolio-visual { background: linear-gradient(135deg,#6366f1,#4338ca); }
.grad-6 .portfolio-visual { background: linear-gradient(135deg,#a855f7,#22d3ee); }
.portfolio-body { padding: 22px; }
.tag-sm {
  display: inline-block; font-size: 11.5px; font-weight: 700; text-transform: uppercase;
  color: var(--primary); margin-bottom: 10px; letter-spacing: 0.03em;
}
.portfolio-body h4 { font-size: 16px; margin-bottom: 8px; }
.portfolio-body p { font-size: 13.5px; }
.portfolio-note { text-align: center; margin-top: 34px; font-size: 13px; color: var(--muted); }

/* Testimonials */
.testimonials-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px;
}
.testimonial-card {
  background: var(--bg-alt); border-radius: var(--radius); padding: 30px;
  border: 1px solid var(--border);
}
.stars { color: #f5a623; letter-spacing: 2px; margin-bottom: 14px; font-size: 14px; }
.testimonial-card > p { font-size: 15px; color: var(--ink); margin-bottom: 22px; font-style: italic; }
.testimonial-person { display: flex; align-items: center; gap: 12px; }
.avatar {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--gradient); color: #fff; font-weight: 700;
  display: flex; align-items: center; justify-content: center; font-family: var(--font-heading);
}
.testimonial-person div { display: flex; flex-direction: column; }
.testimonial-person strong { font-size: 14px; }
.testimonial-person span { font-size: 12.5px; color: var(--muted); }

/* Contact */
.contact-inner {
  display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 60px;
}
.info-block { margin-top: 34px; }
.info-block h4 { font-size: 16px; margin-bottom: 18px; }
.info-list { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.info-list li { display: flex; flex-direction: column; gap: 2px; font-size: 14.5px; }
.info-label { font-size: 12px; font-weight: 700; text-transform: uppercase; color: var(--primary); letter-spacing: 0.03em; }
.info-list a { color: var(--ink); }
.info-list a:hover { color: var(--primary); }

.contact-form {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 34px; box-shadow: var(--shadow-sm);
}
.form-row { margin-bottom: 18px; display: flex; flex-direction: column; gap: 6px; }
.form-row--half { flex-direction: row; gap: 16px; }
.form-row--half > div { flex: 1; display: flex; flex-direction: column; gap: 6px; }
.form-row label { font-size: 13.5px; font-weight: 600; color: var(--ink); }
.form-row input, .form-row select, .form-row textarea {
  font-family: var(--font-body); font-size: 14.5px;
  padding: 12px 14px; border-radius: 10px; border: 1.5px solid var(--border);
  background: var(--bg-alt); color: var(--ink); resize: vertical;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus {
  outline: none; border-color: var(--primary); background: #fff;
}
.contact-form .btn { width: 100%; margin-top: 6px; }
.form-status { margin-top: 14px; font-size: 14px; text-align: center; min-height: 20px; }
.form-status.success { color: #16a34a; }
.form-status.error { color: #dc2626; }

/* Footer */
.site-footer { background: var(--dark); color: #c6c8e6; padding-top: 70px; }
.footer-inner {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px;
  padding-bottom: 50px; border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo { color: #fff; margin-bottom: 14px; }
.footer-brand p { color: #9294c2; font-size: 13.5px; max-width: 260px; }
.footer-col h5 { color: #fff; font-size: 14px; margin-bottom: 16px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { color: #9294c2; font-size: 13.5px; }
.footer-col a:hover { color: #fff; }
.footer-bottom { padding: 22px 0; }
.footer-bottom p { color: #6b6d94; font-size: 13px; text-align: center; }
.footer-legal { margin-top: 4px; font-size: 12px; opacity: 0.8; }

/* WhatsApp floating button */
.qfw-whatsapp-btn {
  position: fixed; bottom: 24px; left: 24px; z-index: 999;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25d366; color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 30px -8px rgba(37,211,102,0.6);
  transition: transform 0.2s ease;
}
.qfw-whatsapp-btn:hover { transform: scale(1.06); color: #fff; }
.qfw-whatsapp-btn svg { width: 28px; height: 28px; }

/* Chat widget */
.qfw-chat-toggle {
  position: fixed; bottom: 24px; right: 24px; z-index: 999;
  width: 60px; height: 60px; border-radius: 50%;
  background: var(--gradient); border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 30px -8px rgba(99,102,241,0.6);
  transition: transform 0.2s ease;
}
.qfw-chat-toggle:hover { transform: scale(1.06); }
.qfw-chat-toggle svg { width: 26px; height: 26px; }
.qfw-chat-badge {
  position: absolute; top: -2px; right: -2px;
  width: 16px; height: 16px; border-radius: 50%;
  background: #22d3ee; border: 2px solid #fff;
}

.qfw-chat-window {
  position: fixed; bottom: 96px; right: 24px; z-index: 999;
  width: 360px; max-width: calc(100vw - 32px);
  height: 500px; max-height: calc(100vh - 140px);
  background: #fff; border-radius: 18px;
  box-shadow: 0 30px 70px -20px rgba(20,21,43,0.4);
  display: flex; flex-direction: column; overflow: hidden;
  border: 1px solid var(--border);
  transform: translateY(16px) scale(0.98); opacity: 0; pointer-events: none;
  transition: all 0.2s ease;
}
.qfw-chat-window.open { transform: translateY(0) scale(1); opacity: 1; pointer-events: auto; }

.qfw-chat-header {
  background: var(--dark); color: #fff; padding: 16px 18px;
  display: flex; align-items: center; gap: 12px;
}
.qfw-chat-header .avatar { background: var(--gradient); width: 38px; height: 38px; flex-shrink: 0; }
.qfw-chat-header-text { flex-grow: 1; }
.qfw-chat-header-text strong { display: block; font-size: 14px; }
.qfw-chat-header-text span { font-size: 12px; color: #9ee6c4; display: flex; align-items: center; gap: 5px; }
.qfw-chat-header-text span::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #22c55e; display: inline-block; }
.qfw-chat-close { background: none; border: none; color: #fff; cursor: pointer; font-size: 20px; opacity: 0.8; }
.qfw-chat-close:hover { opacity: 1; }

.qfw-chat-body {
  flex-grow: 1; overflow-y: auto; padding: 18px; display: flex; flex-direction: column; gap: 12px;
  background: var(--bg-alt);
}
.qfw-msg { max-width: 85%; font-size: 13.8px; line-height: 1.5; padding: 10px 14px; border-radius: 14px; white-space: pre-line; }
.qfw-msg-bot { background: #fff; border: 1px solid var(--border); align-self: flex-start; border-bottom-left-radius: 4px; }
.qfw-msg-user { background: var(--gradient); color: #fff; align-self: flex-end; border-bottom-right-radius: 4px; }

.qfw-quick-replies { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 18px 12px; background: var(--bg-alt); }
.qfw-quick-btn {
  background: #fff; border: 1.5px solid var(--primary); color: var(--primary);
  font-size: 12.5px; font-weight: 600; padding: 7px 12px; border-radius: 999px; cursor: pointer;
}
.qfw-quick-btn:hover { background: rgba(99,102,241,0.08); }

.qfw-chat-input-row {
  display: flex; align-items: center; gap: 10px; padding: 14px;
  border-top: 1px solid var(--border); background: #fff;
}
.qfw-chat-input-row input {
  flex-grow: 1; border: 1.5px solid var(--border); border-radius: 999px;
  padding: 10px 16px; font-size: 13.8px; font-family: var(--font-body);
}
.qfw-chat-input-row input:focus { outline: none; border-color: var(--primary); }
.qfw-chat-send {
  width: 40px; height: 40px; border-radius: 50%; border: none;
  background: var(--gradient); color: #fff; cursor: pointer;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}

/* Responsive */
@media (max-width: 980px) {
  .service-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: repeat(3, 1fr); }
  .about-inner { grid-template-columns: 1fr; }
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: 1fr; }
  .contact-inner { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

/* El menú de escritorio (6 links + botón CTA) necesita bastante ancho;
   lo colapsamos a hamburguesa antes de que quede apretado en tablets. */
@media (max-width: 980px) {
  .main-nav { display: none; }
  .menu-toggle { display: flex; }
  .header-cta { display: none; }
  .site-header.nav-open .main-nav {
    display: flex; flex-direction: column; gap: 0;
    position: absolute; top: 76px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--border); padding: 10px 24px 20px;
  }
  .site-header.nav-open .main-nav a { padding: 12px 0; border-bottom: 1px solid var(--border); }
}

@media (max-width: 760px) {
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: 1fr; }
  .form-row--half { flex-direction: column; }
  .footer-inner { grid-template-columns: 1fr; }
  .qfw-chat-window { right: 12px; left: 12px; width: auto; bottom: 88px; }
  .qfw-chat-toggle { right: 16px; bottom: 16px; }
  .qfw-whatsapp-btn { left: 16px; bottom: 16px; width: 52px; height: 52px; }
  .qfw-whatsapp-btn svg { width: 26px; height: 26px; }
  section { padding: 70px 0; }
  .hero { padding: 100px 0 60px; }
}

@media (max-width: 480px) {
  .container { padding: 0 18px; }
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .hero-ctas .btn { width: 100%; }
  .hero-stats { gap: 26px; }
  .stat-num { font-size: 24px; }
  .values-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .service-card { padding: 30px 22px; }
  .contact-form { padding: 24px 20px; }
  .testimonial-card { padding: 22px; }
  section { padding: 56px 0; }
  .hero { padding: 90px 0 50px; }
}

/* Professional photography */
.hero-visual {
  display: none;
  position: absolute;
  right: max(20px, calc((100% - 1180px) / 2 + 20px));
  top: 50%;
  transform: translateY(-50%);
  width: 320px;
  z-index: 1;
}
.hero-visual img {
  width: 100%; height: auto; display: block;
  border-radius: var(--radius);
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.08);
}
@media (min-width: 1240px) {
  .hero-visual { display: block; }
  .hero .hero-inner {
    max-width: 600px;
    margin-left: max(20px, calc((100% - 1180px) / 2));
    margin-right: 0;
  }
}

.service-card-img {
  margin: -40px -34px 24px;
  border-radius: var(--radius) var(--radius) 0 0;
  overflow: hidden;
  height: 170px;
}
.service-card-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
@media (max-width: 480px) {
  .service-card-img { margin: -30px -22px 20px; height: 150px; }
}

.about-photo {
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 24px;
  box-shadow: var(--shadow-sm);
}
.about-photo img { width: 100%; height: 220px; object-fit: cover; display: block; }