/* ============================================================
   HelpyWeb 2.0 — Hoja de estilos de páginas interiores
   Replica el sistema de diseño de index.html (liquid glass / SF Pro)
   ============================================================ */

:root {
  --accent: #3B7EFF;
  --accent-light: #7AABFF;
  --accent-dark: #1A52CC;
  --accent-glow: rgba(59,126,255,0.35);
  --black: #050914;
  --dark: #080E1E;
  --dark2: #0D1529;
  --dark3: #121E38;
  --white: #F4F6FF;
  --white-dim: rgba(244,246,255,0.80);
  --glass-bg: rgba(8,14,30,0.52);
  --glass-bg-hover: rgba(13,21,41,0.65);
  --glass-border: rgba(255,255,255,0.09);
  --glass-border-accent: rgba(59,126,255,0.30);
  --glass-specular: rgba(255,255,255,0.12);
  --glass-inset: inset 0 1.5px 1px rgba(255,255,255,0.15), inset 0 -1px 1px rgba(0,0,0,0.20);
  --glass-depth: 0 12px 40px rgba(0,0,0,0.40), 0 2px 10px rgba(0,0,0,0.22);
  --glass-filter: blur(28px) saturate(180%) contrast(105%);
  --font-display: -apple-system-headline, ui-sans-serif, -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', Arial, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Helvetica Neue', Arial, sans-serif;
  --font-btn: -apple-system, BlinkMacSystemFont, 'SF Pro Rounded', 'SF Pro Text', ui-rounded, 'Helvetica Neue', Arial, sans-serif;
  --radius: 18px;
  --radius-sm: 12px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--black);
  color: var(--white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}
body::before {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.35;
}
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 2px; }
::selection { background: var(--accent); color: var(--black); }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }
.container-narrow { max-width: 820px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }
.section { padding: 88px 0; position: relative; }
.section-alt { background: var(--dark); }
.accent { color: var(--accent); }

/* ── TAG ── */
.tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--accent);
  padding: 7px 18px; border-radius: 100px;
  border: 1px solid rgba(59,126,255,0.30);
  background: rgba(59,126,255,0.10);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.12), 0 2px 12px rgba(59,126,255,0.15);
  margin-bottom: 22px;
}

/* ── TITULARES ── */
.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.4vw, 3.2rem);
  font-weight: 800; line-height: 1.06;
  color: var(--white); margin-bottom: 18px; letter-spacing: -0.033em;
}
.section-title strong {
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent) 45%, var(--accent-light) 90%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  filter: drop-shadow(0 0 32px rgba(59,126,255,0.35));
}
.section-sub {
  font-size: 1.05rem; color: rgba(244,246,255,0.55);
  line-height: 1.75; max-width: 640px;
}
h2.h-lvl2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 700; letter-spacing: -0.025em; line-height: 1.18;
  margin: 44px 0 14px; color: var(--white);
}
h3.h-lvl3 {
  font-family: var(--font-display);
  font-size: 1.15rem; font-weight: 700; letter-spacing: -0.015em;
  margin: 28px 0 10px; color: var(--white);
}

/* ── BOTONES ── */
.btn {
  display: inline-flex; align-items: center; gap: 11px;
  padding: 15px 32px; border-radius: 100px;
  font-family: var(--font-btn); font-size: 0.95rem; font-weight: 600;
  letter-spacing: 0.03em; text-decoration: none; cursor: pointer; border: none;
  transition: var(--transition); position: relative; overflow: hidden;
  white-space: nowrap; isolation: isolate;
  box-shadow: 0 4px 18px rgba(0,0,0,0.28), 0 1px 4px rgba(0,0,0,0.18);
}
@keyframes btn-shimmer {
  0%   { transform: skewX(-15deg) translateX(-160%); opacity: 0; }
  8%   { opacity: 1; }
  92%  { opacity: 0.6; }
  100% { transform: skewX(-15deg) translateX(480%); opacity: 0; }
}
.btn::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit;
  overflow: hidden; pointer-events: none; z-index: 1;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.03) 30%,
    rgba(255,255,255,0.11) 50%, rgba(59,126,255,0.07) 65%, transparent 100%);
  width: 40%; top: 0; height: 100%; left: 0;
  animation: btn-shimmer 2.8s cubic-bezier(0.4,0,0.6,1) infinite;
  animation-delay: var(--shimmer-delay, 0s);
}
.btn-content { position: relative; z-index: 3; display: inline-flex; align-items: center; gap: 10px; }
.btn-primary {
  background: linear-gradient(135deg, #1A52CC 0%, #3B7EFF 55%, #7AABFF 100%);
  color: #fff;
  box-shadow: 0 6px 28px rgba(59,126,255,0.45), 0 2px 8px rgba(59,126,255,0.25),
    inset 0 1px 0 rgba(255,255,255,0.22);
}
.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 40px rgba(59,126,255,0.55), 0 4px 14px rgba(59,126,255,0.30),
    inset 0 1px 0 rgba(255,255,255,0.22);
}
.btn-ghost {
  background: rgba(255,255,255,0.07); color: var(--white);
  border: 1px solid rgba(255,255,255,0.22);
  backdrop-filter: blur(18px) saturate(180%);
  box-shadow: 0 4px 18px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.10);
}
.btn-ghost:hover {
  border-color: rgba(59,126,255,0.50); transform: translateY(-2px);
  background: rgba(59,126,255,0.12);
  box-shadow: 0 8px 28px rgba(0,0,0,0.40), 0 0 16px rgba(59,126,255,0.18), inset 0 1px 0 rgba(255,255,255,0.12);
}

/* ── GLASS CARD ── */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-filter);
  -webkit-backdrop-filter: var(--glass-filter);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  transition: var(--transition);
  position: relative; overflow: hidden;
  box-shadow: var(--glass-depth), var(--glass-inset);
}
.glass-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(160deg, var(--glass-specular) 0%, transparent 45%);
  pointer-events: none; border-radius: inherit;
}
.glass-card:hover {
  background: var(--glass-bg-hover); border-color: var(--glass-border-accent);
  transform: translateY(-5px);
  box-shadow: 0 20px 56px rgba(0,0,0,0.42), 0 0 0 1px rgba(59,126,255,0.15), var(--glass-inset);
}

/* ── NAV ── */
@keyframes nav-pop-in {
  0%   { opacity: 0; transform: translateY(-16px) scale(0.90); filter: blur(8px); }
  55%  { opacity: 1; transform: translateY(4px) scale(1.018); filter: blur(0); }
  75%  { transform: translateY(-2px) scale(0.997); }
  90%  { transform: translateY(1px) scale(1.003); }
  100% { transform: translateY(0) scale(1); }
}
#nav {
  position: fixed; top: 18px; left: 0; right: 0; z-index: 1000;
  display: flex; justify-content: center; pointer-events: none; padding: 0 24px;
}
.liquid-toolbar {
  animation: nav-pop-in 1s cubic-bezier(0.34,1.4,0.64,1) both;
  pointer-events: all;
  width: min(1100px, calc(100% - 48px)); height: 62px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 8px 0 20px; border-radius: 999px; position: relative; will-change: transform;
  background: rgba(8, 14, 32, 0.30);
  backdrop-filter: blur(52px) saturate(240%) brightness(1.12) contrast(112%);
  -webkit-backdrop-filter: blur(52px) saturate(240%) brightness(1.12) contrast(112%);
  box-shadow:
    0 32px 72px rgba(0,0,0,0.50), 0 8px 24px rgba(0,0,0,0.25), 0 2px 4px rgba(0,0,0,0.20),
    inset 0 2.5px 1px rgba(255,255,255,0.32), inset 0 -1.5px 1px rgba(0,0,0,0.15),
    inset 1px 0 1px rgba(255,255,255,0.08), inset -1px 0 1px rgba(255,255,255,0.04),
    0 0 0 0.5px rgba(255,255,255,0.12);
  transition: transform 350ms var(--ease), background 350ms ease, height 300ms ease, box-shadow 350ms ease;
}
.liquid-toolbar::before {
  content: ''; position: absolute; inset: 0; border-radius: 999px; padding: 1px;
  background: linear-gradient(145deg, rgba(255,255,255,0.55) 0%, rgba(255,255,255,0.15) 25%,
    rgba(59,126,255,0.10) 55%, rgba(255,255,255,0.08) 80%, rgba(59,126,255,0.18) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; pointer-events: none;
}
.liquid-toolbar::after {
  content: ''; position: absolute; left: 0; right: 0; top: 0; height: 50%;
  border-radius: 999px 999px 50% 50%;
  background: linear-gradient(to bottom, rgba(255,255,255,0.22) 0%, rgba(255,255,255,0.06) 55%, transparent 100%);
  pointer-events: none;
}
@keyframes nav-shimmer {
  0%   { transform: translateX(-100%) skewX(-15deg); opacity: 0; }
  8%   { opacity: 1; }
  92%  { opacity: 0.7; }
  100% { transform: translateX(220%) skewX(-15deg); opacity: 0; }
}
.nav-shimmer { position: absolute; inset: 0; border-radius: 999px; overflow: hidden; pointer-events: none; z-index: 0; }
.nav-shimmer::after {
  content: ''; position: absolute; top: 0; left: 0; width: 35%; height: 100%;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.04) 20%,
    rgba(255,255,255,0.13) 50%, rgba(59,126,255,0.08) 70%, transparent 100%);
  animation: nav-shimmer 5s cubic-bezier(0.4,0,0.6,1) infinite; animation-delay: 1.2s;
}
.liquid-toolbar.is-scrolled {
  height: 52px; background: rgba(5, 9, 20, 0.55);
  backdrop-filter: blur(64px) saturate(260%) brightness(1.06) contrast(114%);
  -webkit-backdrop-filter: blur(64px) saturate(260%) brightness(1.06) contrast(114%);
}
.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0; position: relative; z-index: 1; }
.nav-logo-icon {
  width: 32px; height: 32px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 16px var(--accent-glow);
}
.nav-logo-icon img { width: 18px; height: 18px; object-fit: contain; }
.nav-logo-name { font-family: var(--font-display); font-size: 1rem; font-weight: 700; color: var(--white); letter-spacing: -0.016em; }
.nav-logo-name span { color: var(--accent); }
.nav-glass-pill { display: flex; align-items: center; gap: 2px; position: relative; z-index: 1; }
.nav-links { display: flex; align-items: center; gap: 2px; list-style: none; }
.nav-links a {
  font-size: 0.72rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase;
  color: rgba(244,246,255,0.55); text-decoration: none;
  transition: color 0.22s ease; position: relative; z-index: 1;
  padding: 6px 12px; border-radius: 999px; white-space: nowrap; display: block;
}
.nav-links a:hover, .nav-links a.is-active { color: var(--white); }
.nav-links a.is-active { background: rgba(59,126,255,0.12); }
.nav-cta {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.07em; text-transform: uppercase;
  color: var(--accent) !important; text-decoration: none;
  padding: 8px 18px; border-radius: 999px; white-space: nowrap; position: relative; z-index: 1;
  background: rgba(59,126,255,0.10); border: 1px solid rgba(59,126,255,0.28);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08), 0 0 12px rgba(59,126,255,0.06);
  transition: background 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease; margin-left: 6px;
}
.nav-cta:hover {
  background: rgba(59,126,255,0.20) !important; transform: translateY(-1px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.12), 0 0 20px rgba(59,126,255,0.20);
}
.nav-mobile-toggle {
  display: none; flex-direction: column; gap: 5px; cursor: pointer;
  padding: 9px 12px; border-radius: 999px;
  background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.10);
  backdrop-filter: blur(10px); position: relative; z-index: 1;
}
.nav-mobile-toggle span { display: block; width: 20px; height: 1.5px; background: var(--white); transition: var(--transition); }
.liquid-mobile-panel {
  display: none; position: fixed; top: 90px; left: 12px; right: 12px;
  background: rgba(5,9,20,0.94);
  backdrop-filter: blur(32px) saturate(200%);
  border-radius: 24px; border: 1px solid rgba(255,255,255,0.10);
  box-shadow: 0 20px 60px rgba(0,0,0,0.55), inset 0 1px 0 rgba(255,255,255,0.10);
  padding: 16px; z-index: 999; flex-direction: column; gap: 4px; transform-origin: top center;
  max-height: calc(100dvh - 120px); overflow-y: auto;
}
.liquid-mobile-panel.open { display: flex; animation: mobile-panel-in 0.32s cubic-bezier(0.34,1.4,0.64,1) forwards; }
@keyframes mobile-panel-in { from { opacity: 0; transform: translateY(-10px) scale(0.97); } to { opacity: 1; transform: translateY(0) scale(1); } }
.liquid-mobile-panel a {
  font-size: 0.85rem; font-weight: 500; letter-spacing: 0.07em; text-transform: uppercase;
  color: rgba(244,246,255,0.70); text-decoration: none;
  padding: 12px 18px; border-radius: 14px; transition: background 0.2s ease, color 0.2s ease;
}
.liquid-mobile-panel a:hover { background: rgba(255,255,255,0.07); color: var(--white); }
.liquid-mobile-panel .nav-cta { margin: 8px 0 0; text-align: center; display: block; }
@media (max-width: 900px) {
  #nav { top: 12px; padding: 0 12px; }
  .liquid-toolbar { width: calc(100% - 24px); height: 54px; padding: 0 6px 0 16px; }
  .nav-glass-pill, .liquid-toolbar > .nav-cta { display: none; }
  .nav-mobile-toggle { display: flex; }
}

/* ── PAGE HERO ── */
.page-hero {
  position: relative; padding: 150px 0 68px; overflow: hidden;
  background:
    radial-gradient(ellipse 900px 520px at 12% 0%, rgba(59,126,255,0.16), transparent 62%),
    radial-gradient(ellipse 760px 480px at 92% 40%, rgba(59,126,255,0.09), transparent 60%),
    linear-gradient(180deg, var(--black) 0%, var(--dark) 100%);
}
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5.2vw, 3.7rem);
  font-weight: 800; line-height: 1.04; letter-spacing: -0.036em;
  margin-bottom: 20px; max-width: 940px;
}
.page-hero h1 strong {
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent) 45%, var(--accent-light) 90%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  filter: drop-shadow(0 0 32px rgba(59,126,255,0.35));
}
.page-hero .lede {
  font-size: 1.12rem; color: rgba(244,246,255,0.62); line-height: 1.72; max-width: 660px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }

/* ── BREADCRUMBS ── */
.breadcrumbs { font-size: 0.76rem; color: rgba(244,246,255,0.38); margin-bottom: 20px; letter-spacing: 0.02em; }
.breadcrumbs a { color: rgba(244,246,255,0.55); text-decoration: none; transition: color 0.2s ease; }
.breadcrumbs a:hover { color: var(--accent-light); }
.breadcrumbs span { margin: 0 7px; opacity: 0.4; }

/* ── RESPUESTA DIRECTA (AEO) ── */
.answer-box {
  border-radius: var(--radius); padding: 22px 26px; margin: 26px 0;
  background: rgba(59,126,255,0.07); border: 1px solid rgba(59,126,255,0.22);
  border-left: 3px solid var(--accent);
}
.answer-box p { font-size: 1rem; color: rgba(244,246,255,0.82); line-height: 1.7; margin: 0; }
.answer-box strong { color: var(--white); }

/* ── PROSA ── */
.prose p { font-size: 1rem; color: rgba(244,246,255,0.62); line-height: 1.8; margin-bottom: 16px; }
.prose strong { color: var(--white); font-weight: 600; }
.prose a { color: var(--accent-light); text-decoration: underline; text-underline-offset: 3px; text-decoration-color: rgba(122,171,255,0.4); transition: color 0.2s ease; }
.prose a:hover { color: var(--white); text-decoration-color: var(--accent); }
.prose ul, .prose ol { margin: 0 0 18px 0; padding-left: 22px; }
.prose li { font-size: 1rem; color: rgba(244,246,255,0.62); line-height: 1.75; margin-bottom: 9px; }
.prose li::marker { color: var(--accent); }
.prose li strong { color: var(--white); }

/* ── GRID DE TARJETAS ── */
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; margin-top: 36px; }
.card-grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; margin-top: 36px; }
.feat-card { padding: 26px 24px; }
.feat-card-icon {
  width: 44px; height: 44px; border-radius: 12px; margin-bottom: 16px;
  background: rgba(59,126,255,0.12); border: 1px solid rgba(59,126,255,0.25);
  display: flex; align-items: center; justify-content: center; position: relative; z-index: 1;
}
.feat-card-icon svg { width: 21px; height: 21px; stroke: var(--accent-light); fill: none; stroke-width: 2; }
.feat-card h3 {
  font-family: var(--font-display); font-size: 1.05rem; font-weight: 700;
  color: var(--white); margin-bottom: 9px; letter-spacing: -0.015em;
  position: relative; z-index: 1; line-height: 1.3;
}
.feat-card p { font-size: 0.88rem; color: rgba(244,246,255,0.52); line-height: 1.65; position: relative; z-index: 1; }
.feat-num {
  font-family: var(--font-display); font-size: 2rem; font-weight: 800;
  color: rgba(59,126,255,0.28); line-height: 1; margin-bottom: 10px;
  position: relative; z-index: 1; letter-spacing: -0.03em;
}

/* ── ENLACES INTERNOS (clúster) ── */
.link-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 12px; margin-top: 30px; }
.link-card {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 15px 18px; border-radius: var(--radius-sm); text-decoration: none;
  background: rgba(255,255,255,0.035); border: 1px solid rgba(255,255,255,0.09);
  transition: var(--transition);
}
.link-card:hover { background: rgba(59,126,255,0.10); border-color: rgba(59,126,255,0.35); transform: translateY(-2px); }
.link-card span { font-size: 0.88rem; font-weight: 600; color: var(--white); }
.link-card svg { width: 15px; height: 15px; stroke: var(--accent-light); fill: none; stroke-width: 2; flex-shrink: 0; }

/* ── TABLA DE PRECIOS ── */
.price-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 22px; margin-top: 42px; }
.price-card { padding: 32px 28px; display: flex; flex-direction: column; }
.price-card.featured { border-color: rgba(59,126,255,0.45); box-shadow: 0 0 0 1px rgba(59,126,255,0.25), var(--glass-depth), var(--glass-inset); }
.price-badge {
  position: absolute; top: 18px; right: 18px; z-index: 2;
  font-size: 0.58rem; font-weight: 800; letter-spacing: 0.09em; text-transform: uppercase;
  background: rgba(59,126,255,0.9); color: #fff; padding: 4px 10px; border-radius: 6px;
}
.price-name { font-family: var(--font-display); font-size: 1.3rem; font-weight: 700; margin-bottom: 6px; position: relative; z-index: 1; letter-spacing: -0.02em; }
.price-for { font-size: 0.82rem; color: rgba(244,246,255,0.45); margin-bottom: 20px; position: relative; z-index: 1; }
.price-amount {
  font-family: var(--font-display); font-size: 2.5rem; font-weight: 800; letter-spacing: -0.035em;
  background: linear-gradient(135deg, var(--accent-dark) 0%, var(--accent) 45%, var(--accent-light) 90%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  position: relative; z-index: 1; line-height: 1;
}
.price-monthly { font-size: 0.85rem; color: rgba(244,246,255,0.5); margin: 8px 0 22px; position: relative; z-index: 1; }
.price-list { list-style: none; margin: 0 0 26px; padding: 0; position: relative; z-index: 1; flex: 1; }
.price-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 0.88rem; color: rgba(244,246,255,0.62); line-height: 1.55; margin-bottom: 11px; }
.price-list li svg { width: 15px; height: 15px; stroke: #7AFFB0; fill: none; stroke-width: 3; flex-shrink: 0; margin-top: 3px; }
.price-card .btn { width: 100%; justify-content: center; position: relative; z-index: 1; }

/* ── FAQ (AEO) ── */
.faq-list { margin-top: 34px; display: flex; flex-direction: column; gap: 10px; }
.faq-item { border-radius: var(--radius-sm); background: rgba(255,255,255,0.035); border: 1px solid rgba(255,255,255,0.09); overflow: hidden; transition: var(--transition); }
.faq-item[open] { background: rgba(59,126,255,0.07); border-color: rgba(59,126,255,0.28); }
.faq-item summary {
  cursor: pointer; padding: 17px 22px; list-style: none;
  font-family: var(--font-display); font-size: 0.98rem; font-weight: 600; color: var(--white);
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  transition: color 0.2s ease;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: ''; width: 9px; height: 9px; flex-shrink: 0;
  border-right: 2px solid var(--accent-light); border-bottom: 2px solid var(--accent-light);
  transform: rotate(45deg); transition: transform 0.3s var(--ease); margin-right: 4px;
}
.faq-item[open] summary::after { transform: rotate(-135deg); }
.faq-item .faq-body { padding: 0 22px 19px; }
.faq-item .faq-body p { font-size: 0.92rem; color: rgba(244,246,255,0.6); line-height: 1.75; margin: 0; }

/* ── BANDA CTA ── */
.cta-band {
  margin: 0; padding: 62px 0;
  background:
    radial-gradient(ellipse 700px 380px at 50% 0%, rgba(59,126,255,0.16), transparent 65%),
    linear-gradient(180deg, var(--dark) 0%, var(--black) 100%);
  border-top: 1px solid rgba(255,255,255,0.06);
  position: relative;
}
.cta-band-inner { text-align: center; max-width: 680px; margin: 0 auto; }
.cta-band h2 {
  font-family: var(--font-display); font-size: clamp(1.7rem, 3.6vw, 2.5rem);
  font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; margin-bottom: 14px;
}
.cta-band p { font-size: 1rem; color: rgba(244,246,255,0.58); line-height: 1.7; margin-bottom: 28px; }
.cta-band .hero-actions { justify-content: center; }

/* ── CASOS / PORTFOLIO ── */
.case-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(310px, 1fr)); gap: 22px; margin-top: 40px; }
.case-card { overflow: hidden; display: flex; flex-direction: column; }
.case-img { width: 100%; aspect-ratio: 16/10; object-fit: cover; object-position: top center; display: block; position: relative; z-index: 1; }
.case-body { padding: 22px 24px 26px; position: relative; z-index: 1; }
.case-sector { font-size: 0.66rem; font-weight: 700; letter-spacing: 0.13em; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; }
.case-body h3 { font-family: var(--font-display); font-size: 1.15rem; font-weight: 700; margin-bottom: 9px; letter-spacing: -0.018em; }
.case-body p { font-size: 0.88rem; color: rgba(244,246,255,0.55); line-height: 1.65; margin-bottom: 14px; }
.case-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.case-tag {
  font-size: 0.64rem; font-weight: 600; letter-spacing: 0.03em;
  padding: 4px 10px; border-radius: 100px;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.10);
  color: rgba(244,246,255,0.6);
}

/* ── BLOG ── */
.post-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 20px; margin-top: 40px; }
.post-card { padding: 26px 24px; display: flex; flex-direction: column; text-decoration: none; }
.post-meta { font-size: 0.7rem; color: rgba(244,246,255,0.38); letter-spacing: 0.05em; margin-bottom: 11px; position: relative; z-index: 1; }
.post-card h3 { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; color: var(--white); margin-bottom: 10px; line-height: 1.3; letter-spacing: -0.018em; position: relative; z-index: 1; }
.post-card p { font-size: 0.87rem; color: rgba(244,246,255,0.52); line-height: 1.65; flex: 1; position: relative; z-index: 1; }
.post-more { font-size: 0.82rem; font-weight: 600; color: var(--accent-light); margin-top: 16px; position: relative; z-index: 1; display: inline-flex; align-items: center; gap: 6px; }
.article-meta { font-size: 0.8rem; color: rgba(244,246,255,0.42); margin-bottom: 8px; letter-spacing: 0.02em; }

/* ── FOOTER ── */
footer { background: var(--dark); border-top: 1px solid rgba(255,255,255,0.06); padding: 62px 24px 30px; position: relative; z-index: 1; }
.ft-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 44px; padding-bottom: 42px; }
.ft-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.ft-logo-icon {
  width: 32px; height: 32px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  display: flex; align-items: center; justify-content: center;
}
.ft-logo-icon img { width: 18px; height: 18px; object-fit: contain; }
.ft-logo-name { font-family: var(--font-display); font-size: 1rem; font-weight: 700; letter-spacing: -0.016em; }
.ft-logo-name span { color: var(--accent); }
.ft-desc { font-size: 0.87rem; color: rgba(244,246,255,0.45); line-height: 1.7; max-width: 330px; }
.ft-col h4 { font-family: var(--font-display); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--white); margin-bottom: 15px; }
.ft-col a { display: block; font-size: 0.86rem; color: rgba(244,246,255,0.45); text-decoration: none; margin-bottom: 10px; transition: color 0.2s ease; }
.ft-col a:hover { color: var(--accent-light); }
.ft-bot {
  max-width: 1200px; margin: 0 auto; padding-top: 26px;
  border-top: 1px solid rgba(255,255,255,0.06);
  display: flex; justify-content: space-between; align-items: center; gap: 18px; flex-wrap: wrap;
  font-size: 0.78rem; color: rgba(244,246,255,0.33);
}
.ft-bot div { display: flex; gap: 20px; flex-wrap: wrap; }
.ft-bot a { color: rgba(244,246,255,0.33); text-decoration: none; transition: color 0.2s ease; }
.ft-bot a:hover { color: var(--accent-light); }
@media (max-width: 900px) { .ft-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 560px) { .ft-grid { grid-template-columns: 1fr; } }

/* ── WHATSAPP FAB — mismo azul que la home ── */
.wa-fab {
  position: fixed; bottom: 28px; right: 28px; z-index: 900;
  width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 22px var(--accent-glow);
  transition: transform 0.22s var(--ease), box-shadow 0.22s;
  text-decoration: none;
}
.wa-fab:hover { transform: scale(1.1); box-shadow: 0 6px 32px rgba(59,126,255,0.55); }
.wa-fab svg { width: 26px; height: 26px; }
.wa-fab::before {
  content: ''; position: absolute; inset: 0; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  animation: fabPulse 2.4s ease-out infinite; z-index: -1;
}
@keyframes fabPulse {
  0%   { transform: scale(1);    opacity: 0.7; }
  70%  { transform: scale(1.55); opacity: 0; }
  100% { transform: scale(1.55); opacity: 0; }
}

/* ── BARRA MÓVIL ── */
.mob-cta-bar { display: none; }
@media (max-width: 768px) {
  .mob-cta-bar {
    display: grid; grid-template-columns: 1.4fr 1fr; gap: 8px;
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 950;
    padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
    background: rgba(5,9,20,0.92); backdrop-filter: blur(24px) saturate(180%);
    border-top: 1px solid rgba(255,255,255,0.08);
  }
  .mob-cta-bar a {
    display: flex; align-items: center; justify-content: center; gap: 7px;
    padding: 11px 8px; border-radius: 10px; text-decoration: none;
    font-family: var(--font-btn); font-size: 13px; font-weight: 600;
  }
  .mob-cta-bar svg { width: 15px; height: 15px; }
  .mbar-primary { background: var(--accent); color: #fff; }
  .mbar-ghost { background: rgba(255,255,255,0.07); color: var(--white); border: 1px solid var(--glass-border); }
  .wa-fab { bottom: 74px; right: 16px; width: 50px; height: 50px; }
  body { padding-bottom: 62px; }
}

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .page-hero { padding: 118px 0 50px; }
  .container, .container-narrow { padding: 0 18px; }
  h2.h-lvl2 { margin: 34px 0 12px; }
  .card-grid, .card-grid-2 { gap: 14px; margin-top: 26px; }
  .feat-card { padding: 20px 18px; }
  .price-card { padding: 26px 22px; }
  .cta-band { padding: 48px 0; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}