/* ==========================================================================
   BLACKNOVA — Design System
   Tokens, reset y componentes compartidos por todas las páginas del sitio.
   ========================================================================== */

:root {
  /* Color */
  --bn-black: #0b0b0e;
  --bn-charcoal: #16161b;
  --bn-ink: #1a1a1f;
  --bn-white: #ffffff;
  --bn-cream: #f7f4ee;
  --bn-cream-2: #efe9dd;
  --bn-border: #e5e0d6;
  --bn-border-dark: #2a2a30;
  --bn-muted: #63636b;
  --bn-muted-2: #93939a;

  --bn-amber: #c9822e;
  --bn-amber-light: #f0b15c;
  --bn-amber-dark: #8a4a22;
  --bn-amber-grad: linear-gradient(135deg, var(--bn-amber-light) 0%, var(--bn-amber) 55%, var(--bn-amber-dark) 100%);

  --bn-success: #3f7a5c;

  /* Type */
  --font-display: 'Cormorant Garamond', serif;
  --font-body: 'Jost', sans-serif;

  /* Spacing / shape */
  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 28px;
  --container: 1240px;
  --shadow-soft: 0 20px 60px -20px rgba(11, 11, 14, 0.25);
  --shadow-lift: 0 30px 80px -25px rgba(11, 11, 14, 0.35);

  --ease: cubic-bezier(.22, 1, .36, 1);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { overflow-x: hidden; }
body {
  font-family: var(--font-body);
  background: var(--bn-white);
  color: var(--bn-ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.12; letter-spacing: -0.01em; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 28px; }
.section { padding: 110px 0; }
.section-tight { padding: 72px 0; }
.section-alt { background: var(--bn-cream); }
.section-dark { background: var(--bn-black); color: var(--bn-cream); }
.section-dark h1, .section-dark h2, .section-dark h3 { color: var(--bn-white); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 12.5px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--bn-amber); font-weight: 500; margin-bottom: 18px;
}
.eyebrow::before { content: ''; width: 26px; height: 1px; background: var(--bn-amber); }

.grad-text {
  background: var(--bn-amber-grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 16px 32px; border-radius: 999px; font-size: 14.5px; font-weight: 500;
  letter-spacing: 0.02em; transition: all .35s var(--ease); white-space: nowrap;
}
.btn-primary { background: var(--bn-black); color: var(--bn-white); }
.btn-primary:hover { background: var(--bn-amber); color: var(--bn-black); transform: translateY(-2px); box-shadow: var(--shadow-soft); }
.btn-gold { background: var(--bn-amber-grad); color: var(--bn-black); }
.btn-gold:hover { transform: translateY(-2px); box-shadow: var(--shadow-soft); filter: brightness(1.05); }
.btn-outline { border: 1.5px solid var(--bn-border); color: var(--bn-ink); }
.btn-outline:hover { border-color: var(--bn-ink); background: var(--bn-ink); color: var(--bn-white); }
.btn-outline-light { border: 1.5px solid rgba(247,244,238,0.35); color: var(--bn-cream); }
.btn-outline-light:hover { border-color: var(--bn-amber-light); background: rgba(240,177,92,0.1); }
.btn-lg { padding: 19px 40px; font-size: 15.5px; }
.btn-block { width: 100%; }

/* Header / nav */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 22px 0; transition: all .4s var(--ease);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; }
.site-header.is-scrolled {
  background: rgba(11,11,14,0.82); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  padding: 14px 0; box-shadow: 0 10px 40px -20px rgba(0,0,0,0.5);
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo svg { width: 30px; height: 30px; flex-shrink: 0; }
.logo-word { font-family: var(--font-display); font-size: 22px; font-weight: 700; letter-spacing: 0.01em; color: var(--bn-white); }
.logo-word b { color: var(--bn-amber-light); font-weight: 700; }

.main-nav { display: flex; align-items: center; gap: 38px; }
.main-nav a {
  font-size: 14px; color: rgba(247,244,238,0.82); position: relative; padding: 6px 0;
  transition: color .25s var(--ease);
}
.main-nav a:hover, .main-nav a.is-active { color: var(--bn-white); }
.main-nav a.is-active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px; background: var(--bn-amber-grad); border-radius: 2px;
}
.nav-actions { display: flex; align-items: center; gap: 18px; }
.nav-phone { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--bn-cream); }

.nav-toggle {
  display: none; flex-direction: column; gap: 5px; width: 26px; z-index: 1100;
}
.nav-toggle span { height: 2px; width: 100%; background: var(--bn-white); border-radius: 2px; transition: all .3s var(--ease); }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  position: fixed; inset: 0; background: var(--bn-black); z-index: 1050;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 30px;
  opacity: 0; visibility: hidden; transform: translateY(-12px); transition: all .35s var(--ease);
}
.mobile-nav.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
.mobile-nav a { font-family: var(--font-display); font-size: 28px; color: var(--bn-cream); }
.mobile-nav a:hover { color: var(--bn-amber-light); }

@media (max-width: 900px) {
  .main-nav, .nav-actions .nav-phone { display: none; }
  .nav-toggle { display: flex; }
}

/* Nova decorative burst backgrounds */
.nova-field { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 0; }
.nova-field span {
  position: absolute; border-radius: 50%;
  background: radial-gradient(circle, rgba(240,177,92,0.9), rgba(201,130,46,0) 70%);
  filter: blur(0px); opacity: .8; animation: nova-twinkle 4.5s ease-in-out infinite;
}
@keyframes nova-twinkle { 0%,100% { opacity: .25; transform: scale(0.85); } 50% { opacity: .9; transform: scale(1.15); } }
.nova-glow {
  position: absolute; border-radius: 50%; filter: blur(90px); z-index: 0; pointer-events: none;
  background: radial-gradient(circle, rgba(201,130,46,0.55), rgba(201,130,46,0) 70%);
}

/* Stats */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.stat b { display: block; font-family: var(--font-display); font-size: clamp(32px, 4vw, 46px); color: var(--bn-white); }
.stat span { font-size: 13px; color: rgba(247,244,238,0.65); letter-spacing: 0.04em; }
@media (max-width: 780px) { .stat-grid { grid-template-columns: repeat(2, 1fr); } }

/* Cards */
.card {
  background: var(--bn-white); border: 1px solid var(--bn-border); border-radius: var(--radius-md);
  padding: 40px 34px; transition: all .4s var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-soft); border-color: transparent; }
.card .icon-wrap {
  width: 54px; height: 54px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(240,177,92,0.18), rgba(201,130,46,0.05)); margin-bottom: 24px;
}
.card .icon-wrap svg { width: 26px; height: 26px; stroke: var(--bn-amber); }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 980px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; } }

/* FAQ accordion */
.faq-item { border-bottom: 1px solid var(--bn-border); }
.faq-q {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px;
  padding: 26px 4px; text-align: left; font-family: var(--font-display); font-size: 19px; font-weight: 600;
}
.faq-q .plus { flex-shrink: 0; width: 22px; height: 22px; position: relative; }
.faq-q .plus::before, .faq-q .plus::after { content:''; position: absolute; background: var(--bn-ink); transition: transform .3s var(--ease); }
.faq-q .plus::before { top: 50%; left: 0; right: 0; height: 2px; transform: translateY(-1px); }
.faq-q .plus::after { left: 50%; top: 0; bottom: 0; width: 2px; transform: translateX(-1px); }
.faq-item.is-open .faq-q .plus::after { transform: translateX(-1px) rotate(90deg); opacity: 0; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s var(--ease); }
.faq-a p { padding: 0 4px 26px; color: var(--bn-muted); max-width: 68ch; }
.faq-item.is-open .faq-a { max-height: 600px; }

/* Forms */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 620px) { .form-row { grid-template-columns: 1fr; } }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13px; letter-spacing: 0.03em; margin-bottom: 8px; color: var(--bn-muted); }
.field input, .field select, .field textarea {
  width: 100%; padding: 15px 18px; border: 1.5px solid var(--bn-border); border-radius: var(--radius-sm);
  font-family: var(--font-body); font-size: 15px; background: var(--bn-white); color: var(--bn-ink);
  transition: border-color .25s var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--bn-amber); }
.field textarea { resize: vertical; min-height: 120px; }

/* Reveal animation */
[data-animate] { opacity: 0; transform: translateY(24px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
[data-animate].in-view { opacity: 1; transform: translateY(0); }
[data-animate-group].in-view [data-stagger] { opacity: 1; transform: translateY(0); }
[data-stagger] { opacity: 0; transform: translateY(20px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
[data-stagger].in-view { opacity: 1; transform: translateY(0); }

/* Grain / editorial texture overlay */
.grain-overlay {
  position: fixed; inset: 0; z-index: 9998; pointer-events: none; opacity: 0.035; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Magnetic buttons */
.btn-magnetic { will-change: transform; }

/* Tilt cards */
.tilt-card { transform-style: preserve-3d; transition: transform .4s var(--ease), box-shadow .4s var(--ease); }

/* Marquee ticker */
.ticker { overflow: hidden; border-top: 1px solid var(--bn-border-dark); border-bottom: 1px solid var(--bn-border-dark); background: var(--bn-black); padding: 22px 0; }
.ticker-track { display: flex; width: max-content; animation: ticker-scroll 32s linear infinite; }
.ticker-track span { display: inline-flex; align-items: center; font-family: var(--font-display); font-size: 20px; color: rgba(247,244,238,0.55); padding: 0 36px; white-space: nowrap; }
.ticker-track span b { color: var(--bn-amber-light); font-weight: 600; margin-right: 12px; }
@keyframes ticker-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .ticker-track { animation: none; } }

/* Animated stat counter cursor cue */
.stat b[data-count] { font-variant-numeric: tabular-nums; }

/* Footer */
.site-footer { background: var(--bn-black); color: rgba(247,244,238,0.75); padding: 90px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 50px; padding-bottom: 60px; border-bottom: 1px solid var(--bn-border-dark); }
.footer-grid h4 { color: var(--bn-white); font-size: 15px; font-family: var(--font-body); font-weight: 500; margin-bottom: 22px; letter-spacing: 0.03em; }
.footer-grid ul li { margin-bottom: 12px; font-size: 14px; }
.footer-grid ul li a:hover { color: var(--bn-amber-light); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; padding: 26px 0; font-size: 13px; color: rgba(247,244,238,0.45); flex-wrap: wrap; gap: 12px; }
.footer-bottom a:hover { color: var(--bn-amber-light); }
.social-row { display: flex; gap: 12px; margin-top: 20px; }
.social-row a { width: 38px; height: 38px; border: 1px solid var(--bn-border-dark); border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.social-row a:hover { border-color: var(--bn-amber); background: rgba(201,130,46,0.1); }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }

/* WhatsApp float */
.wa-float {
  position: fixed; right: 26px; bottom: 26px; z-index: 900; width: 58px; height: 58px; border-radius: 50%;
  background: #25D366; display: flex; align-items: center; justify-content: center; box-shadow: 0 12px 30px -8px rgba(0,0,0,.4);
  transition: transform .3s var(--ease);
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 28px; height: 28px; fill: #fff; }

/* Cookie banner */
.cookie-banner {
  position: fixed; left: 20px; right: 20px; bottom: 20px; z-index: 2000; max-width: 620px; margin: 0 auto;
  background: var(--bn-white); border-radius: var(--radius-md); box-shadow: var(--shadow-lift); padding: 26px 28px;
  transform: translateY(150%); transition: transform .5s var(--ease); border: 1px solid var(--bn-border);
}
.cookie-banner.is-visible { transform: translateY(0); }
.cookie-banner p { font-size: 13.5px; color: var(--bn-muted); margin-bottom: 16px; }
.cookie-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.cookie-actions .btn { padding: 11px 20px; font-size: 13px; }

/* Skip link (accessibility) */
.skip-link {
  position: absolute; left: -999px; top: 10px; z-index: 3000; background: var(--bn-white); color: var(--bn-black);
  padding: 12px 18px; border-radius: 8px;
}
.skip-link:focus { left: 10px; }

/* Utility */
.text-center { text-align: center; }
.max-w { max-width: 720px; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mt-lg { margin-top: 60px; }
.badge-list { display: flex; flex-wrap: wrap; gap: 10px; }
.badge-list span { font-size: 12.5px; padding: 8px 16px; border: 1px solid var(--bn-border); border-radius: 999px; color: var(--bn-muted); }
.section-dark .badge-list span { border-color: var(--bn-border-dark); color: rgba(247,244,238,0.7); }

.breadcrumbs { font-size: 12.5px; color: var(--bn-muted-2); margin-bottom: 20px; }
.breadcrumbs a:hover { color: var(--bn-amber); }