/* ══════════════════════════════════════════════════════════════════
   BREZAN SOLUTIONS — Sistema de diseño compartido
   Estilo editorial: hero oscuro (azul/negro) → cuerpo claro → cierre azul.
   Tipografía Bricolage Grotesque (display) + Inter (body).
   Lo usan las páginas pilar y legales. (La home lleva su CSS propio inline,
   visualmente idéntico a este sistema.)
   ══════════════════════════════════════════════════════════════════ */

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

:root {
  /* Dark canvas (hero / cierre / footer) */
  --azul:        #082340;
  --azul-deep:   #04101f;
  --azul-mid:    #11335a;
  --azul-light:  #1c4a7d;
  --azul-soft:   #11335a;
  --negro:       #05080b;
  --plata:       #d9d9d9;

  /* Light body (editorial) */
  --canvas:      #ffffff;
  --canvas-soft: #f4f7fb;
  --ink:         #0c1826;
  --ink-mute:    #51606f;
  --ink-faint:   #8493a3;
  --hairline:    #e4e9f0;
  --hairline-2:  #d4dce6;

  /* On dark */
  --on-dark:        #ffffff;
  --on-dark-mute:   #aebccb;
  --on-dark-faint:  rgba(217,217,217,.5);
  --hairline-dark:  rgba(217,217,217,.14);
  --hairline-dark2: rgba(217,217,217,.26);

  /* Aliases legacy (compat con estilos antiguos que aún los referencien) */
  --white:    #ffffff;
  --text:     #edf0f3;
  --muted:    #aebccb;
  --muted2:   #8493a3;
  --cta-bg:   #d9d9d9;
  --cta-text: #082340;
  --border:   rgba(217,217,217,.14);
  --border2:  rgba(217,217,217,.26);

  --font-display: 'Bricolage Grotesque', system-ui, -apple-system, sans-serif;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;

  --r-sm: 6px; --r-md: 10px; --r-lg: 16px; --r-xl: 22px; --r-full: 999px;
  --maxw: 1180px;
  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
}

html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
body {
  font-family: var(--font-body);
  background: var(--canvas);
  color: var(--ink);
  line-height: 1.6;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
::selection { background: var(--azul); color: #fff; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
.pad { padding: clamp(80px, 11vw, 140px) 0; }
section { position: relative; }

/* ══ TYPE ════════════════════════════════════════════════════════ */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.02em; line-height: 1.04; }
.eyebrow {
  font-family: var(--font-body); font-size: 12.5px; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--azul-light);
  display: inline-block; margin-bottom: 20px;
}
.eyebrow.on-dark { color: var(--plata); }
.section-head { max-width: 760px; margin: 0 auto 64px; text-align: center; }
.section-head .eyebrow,
.section-head .section-lead { margin-left: auto; margin-right: auto; }
.section-title { font-size: clamp(2rem, 4.4vw, 3.1rem); }
.section-lead { margin-top: 22px; font-size: 1.12rem; color: var(--ink-mute); line-height: 1.6; max-width: 640px; }

/* ══ BUTTONS ═════════════════════════════════════════════════════ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--font-body); font-weight: 600; font-size: 1rem; line-height: 1;
  padding: 16px 26px; border-radius: var(--r-md); border: 1px solid transparent;
  cursor: pointer; text-decoration: none; white-space: nowrap;
  transition: transform .25s var(--ease), background .25s, color .25s, box-shadow .35s, border-color .25s;
  will-change: transform;
}
.btn svg { width: 17px; height: 17px; }
.btn-hero { background: var(--plata); color: var(--azul); border-radius: var(--r-full); box-shadow: 0 10px 40px -12px rgba(217,217,217,.5); }
.btn-hero:hover { transform: translateY(-2px); box-shadow: 0 18px 50px -12px rgba(217,217,217,.65); }
.btn-primary { background: var(--azul); color: #fff; }
.btn-primary:hover { background: var(--azul-deep); transform: translateY(-2px); box-shadow: 0 16px 38px -14px rgba(8,35,64,.6); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--hairline-2); }
.btn-ghost:hover { border-color: var(--azul); color: var(--azul); }
.btn-ghost.on-dark { color: #fff; border-color: var(--hairline-dark2); }
.btn-ghost.on-dark:hover { border-color: var(--plata); color: var(--plata); }
.btn-on-azul { background: #fff; color: var(--azul); }
.btn-on-azul:hover { transform: translateY(-2px); box-shadow: 0 18px 46px -14px rgba(0,0,0,.5); }

/* ══ REVEAL (scroll) ═════════════════════════════════════════════ */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease-out), transform .8s var(--ease-out); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }
.reveal[data-delay="4"] { transition-delay: .32s; }
.reveal[data-delay="5"] { transition-delay: .40s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none; }
  html { scroll-behavior: auto; }
  .atmo-blob { animation: none !important; }
}

/* ══ CURSOR GLOW ═════════════════════════════════════════════════ */
.cursor-glow {
  position: fixed; top: 0; left: 0; width: 460px; height: 460px; margin: -230px 0 0 -230px;
  border-radius: 50%; pointer-events: none; z-index: 4; opacity: 0;
  background: radial-gradient(circle, rgba(155,180,220,.16), rgba(8,35,64,0) 62%);
  transition: opacity .4s; mix-blend-mode: screen;
}

/* ══ NAV ═════════════════════════════════════════════════════════ */
#mnav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  transition: background .35s var(--ease), backdrop-filter .35s, border-color .35s, box-shadow .35s;
  border-bottom: 1px solid transparent;
}
#mnav .nav-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 18px 28px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.nav-logo { display: inline-flex; align-items: center; }
.nav-links { display: flex; align-items: center; gap: 34px; list-style: none; }
.nav-links a { font-size: 14.5px; font-weight: 500; color: var(--on-dark-mute); text-decoration: none; position: relative; transition: color .25s; }
.nav-links a::after { content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 1.5px; background: currentColor; transition: width .3s var(--ease); }
.nav-links a:hover { color: #fff; }
.nav-links a:hover::after { width: 100%; }
.nav-cta { font-size: 14.5px; font-weight: 600; padding: 11px 20px; border-radius: var(--r-full); }
.nav-cta-hero { background: var(--plata); color: var(--azul); text-decoration: none; transition: transform .25s var(--ease), box-shadow .3s; }
.nav-cta-hero:hover { transform: translateY(-1px); box-shadow: 0 10px 28px -10px rgba(217,217,217,.6); }

/* Estado claro: tras scroll, o forzado con .nav-light (páginas legales) */
#mnav.scrolled, #mnav.nav-light { background: rgba(255,255,255,.86); backdrop-filter: blur(16px) saturate(140%); border-bottom-color: var(--hairline); box-shadow: 0 1px 24px -12px rgba(8,35,64,.25); }
#mnav.scrolled .nav-logo svg .logo-fill, #mnav.nav-light .nav-logo svg .logo-fill { fill: var(--azul); }
#mnav.scrolled .nav-links a, #mnav.nav-light .nav-links a { color: var(--ink-mute); }
#mnav.scrolled .nav-links a:hover, #mnav.nav-light .nav-links a:hover { color: var(--azul); }
#mnav.scrolled .nav-cta-hero, #mnav.nav-light .nav-cta-hero { background: var(--azul); color: #fff; }
#mnav.scrolled .nav-toggle, #mnav.nav-light .nav-toggle { color: var(--ink); }

.nav-toggle { display: none; background: none; border: 0; color: #fff; cursor: pointer; padding: 6px; }
.nav-mobile {
  display: none; flex-direction: column; gap: 4px; position: fixed; top: 70px; left: 16px; right: 16px; z-index: 49;
  background: rgba(8,18,30,.97); backdrop-filter: blur(18px); border: 1px solid var(--hairline-dark2);
  border-radius: var(--r-lg); padding: 16px; box-shadow: 0 24px 60px -20px rgba(0,0,0,.6);
}
.nav-mobile.open { display: flex; }
.nav-mobile a { color: var(--on-dark-mute); text-decoration: none; font-size: 16px; font-weight: 500; padding: 13px 12px; border-radius: var(--r-sm); transition: background .2s, color .2s; }
.nav-mobile a:hover { background: rgba(217,217,217,.08); color: #fff; }
.nav-mobile .nav-cta-m { margin-top: 8px; text-align: center; background: var(--plata); color: var(--azul); font-weight: 600; }

@media (max-width: 880px) {
  .nav-links, #mnav .nav-cta-hero { display: none; }
  .nav-toggle { display: flex; }
}

/* ══ HERO OSCURO (atmosférico) ═══════════════════════════════════ */
.page-hero { position: relative; background: var(--azul-deep); color: #fff; overflow: hidden; padding: 150px 0 clamp(80px,11vw,120px); }
.page-hero.compact { padding: 140px 0 clamp(60px,8vw,90px); }
.atmo { position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(120% 90% at 78% 8%, rgba(28,74,125,.55), transparent 55%),
    radial-gradient(90% 70% at 12% 95%, rgba(17,51,90,.6), transparent 60%),
    linear-gradient(180deg, var(--azul) 0%, var(--azul-deep) 80%); }
.atmo-blob { position: absolute; width: 60vw; height: 60vw; max-width: 760px; max-height: 760px; top: -16%; right: -10%; border-radius: 50%;
  background: radial-gradient(circle, rgba(155,180,220,.28), rgba(8,35,64,0) 64%); filter: blur(20px); animation: blobFloat 16s ease-in-out infinite; }
@keyframes blobFloat { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-4%,4%) scale(1.08); } }
.grain { position: absolute; inset: 0; z-index: 1; pointer-events: none; opacity: .5; 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='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E"); }
.page-hero .container { position: relative; z-index: 2; }
.hero-h1 { font-size: clamp(2.3rem, 5.2vw, 3.7rem); font-weight: 600; line-height: 1.02; letter-spacing: -0.03em; max-width: 880px; }
.hero-sub { margin-top: 24px; font-size: 1.16rem; color: var(--on-dark-mute); line-height: 1.55; max-width: 600px; }
.hero-actions { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }

/* ══ COMPONENTES DE CUERPO (claro) ═══════════════════════════════ */
.alt-soft { background: var(--canvas-soft); border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); }
.split-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.prose p { color: var(--ink-mute); font-size: 1.08rem; line-height: 1.72; margin-bottom: 16px; max-width: 68ch; }
.prose p:last-child { margin-bottom: 0; }
.prose strong { color: var(--ink); font-weight: 600; }
.prose ul { list-style: none; display: grid; gap: 12px; margin: 8px 0 4px; }
.prose ul li { position: relative; padding-left: 26px; color: var(--ink-mute); font-size: 1.04rem; line-height: 1.6; }
.prose ul li::before { content: ""; position: absolute; left: 4px; top: 9px; width: 7px; height: 7px; border-radius: 50%; background: var(--azul-light); }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.feature-card { background: var(--canvas); border: 1px solid var(--hairline); border-radius: var(--r-lg); padding: 32px 30px; transition: transform .4s var(--ease), box-shadow .4s, border-color .4s; }
.feature-card:hover { transform: translateY(-6px); box-shadow: 0 26px 50px -28px rgba(8,35,64,.32); border-color: var(--hairline-2); }
.feature-card .fc-ico { width: 46px; height: 46px; border-radius: 12px; background: var(--azul); color: #fff; display: grid; place-items: center; margin-bottom: 20px; }
.feature-card .fc-ico svg { width: 22px; height: 22px; }
.feature-card .fc-num { font-size: 12.5px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--azul-light); margin-bottom: 12px; }
.feature-card h3 { font-size: 1.28rem; margin-bottom: 11px; color: var(--ink); }
.feature-card p { color: var(--ink-mute); font-size: 1rem; line-height: 1.62; }

.media-frame { position: relative; }
.media-frame img { width: 100%; border-radius: var(--r-lg); border: 1px solid var(--hairline); box-shadow: 0 40px 80px -40px rgba(8,35,64,.5); }
.media-frame .badge { position: absolute; bottom: -20px; right: -10px; background: var(--azul); color: #fff; border-radius: var(--r-md); padding: 16px 20px; box-shadow: 0 24px 50px -20px rgba(8,35,64,.6); }
.media-frame .badge b { font-family: var(--font-display); font-size: 13px; letter-spacing: .14em; text-transform: uppercase; color: var(--plata); }
.media-frame .badge span { display: block; font-size: 1.02rem; font-weight: 600; margin-top: 4px; }

.check-list { list-style: none; display: grid; gap: 14px; }
.check-list li { display: flex; gap: 13px; align-items: flex-start; font-size: 1.04rem; color: var(--ink); }
.check-list li svg { flex: none; width: 22px; height: 22px; color: var(--azul); margin-top: 1px; }
.check-list.on-dark li { color: #e7edf4; }
.check-list.on-dark li svg { color: var(--plata); }

.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.compare-card { border-radius: var(--r-lg); padding: 30px; border: 1px solid var(--hairline); }
.compare-card.before { background: var(--canvas-soft); }
.compare-card.after { background: var(--azul); color: #fff; border-color: var(--azul); }
.compare-card .ct { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; margin-bottom: 12px; display: inline-flex; align-items: center; gap: 9px; }
.compare-card.before .ct { color: var(--ink-mute); }
.compare-card.after .ct { color: var(--plata); }
.compare-card p { font-size: 1rem; line-height: 1.62; }
.compare-card.before p { color: var(--ink-mute); }
.compare-card.after p { color: #e7edf4; }
@media (max-width: 700px) { .compare-grid { grid-template-columns: 1fr; } }

/* ══ BANDA DE CIERRE (azul) ══════════════════════════════════════ */
.cta-band { position: relative; background: linear-gradient(180deg, var(--azul) 0%, var(--azul-deep) 100%); color: #fff; overflow: hidden; text-align: center; }
.cta-band .atmo3 { position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(70% 60% at 90% 0%, rgba(28,74,125,.45), transparent 60%), radial-gradient(60% 60% at 0% 100%, rgba(17,51,90,.5), transparent 60%); }
.cta-band .container { position: relative; z-index: 1; }
.cta-band .eyebrow { color: var(--plata); }
.cta-band h2 { font-size: clamp(1.9rem, 4vw, 2.8rem); max-width: 700px; margin: 0 auto; }
.cta-band p { margin: 20px auto 0; color: var(--on-dark-mute); font-size: 1.08rem; max-width: 520px; line-height: 1.6; }
.cta-band .btn { margin-top: 32px; }

/* ══ FOOTER ══════════════════════════════════════════════════════ */
footer.site-footer { background: var(--negro); color: var(--on-dark-mute); padding: 76px 0 38px; border-top: 1px solid var(--hairline-dark); }
.ft-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.1fr; gap: 40px; }
.ft-brand .nav-logo { margin-bottom: 20px; }
.ft-tagline { font-size: 14.5px; color: var(--on-dark-faint); max-width: 290px; line-height: 1.65; }
.ft-col-t { font-size: 12.5px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: #fff; margin-bottom: 18px; }
.ft-links { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.ft-links a { font-size: 14.5px; color: var(--on-dark-mute); text-decoration: none; transition: color .2s; }
.ft-links a:hover { color: #fff; }
.ft-contact a { display: inline-flex; align-items: center; gap: 9px; }
.ft-contact svg { width: 15px; height: 15px; color: var(--plata); flex: none; }
.ft-legal { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; margin-top: 60px; padding-top: 28px; border-top: 1px solid var(--hairline-dark); font-size: 13px; color: var(--on-dark-faint); }
.ft-legal-links { display: flex; gap: 20px; flex-wrap: wrap; }
.ft-legal-links a { color: var(--on-dark-faint); text-decoration: none; transition: color .2s; }
.ft-legal-links a:hover { color: #fff; }

@media (max-width: 880px) {
  .split-grid { grid-template-columns: 1fr; gap: 48px; }
  .feature-grid, .feature-grid.cols-2 { grid-template-columns: 1fr; }
  .ft-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
}
@media (max-width: 540px) {
  .ft-grid { grid-template-columns: 1fr; }
}