:root {
  --bg: #05070A; --surface: #0D1117; --surface2: #11161f; --border: #1A2332;
  --text: #E8EDF2; --text-dim: #8B97A8; --blue: #0066FF; --green: #00FF9D;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--text); font-family: 'Inter', sans-serif; overflow-x: hidden; padding-bottom: 64px; }
::selection { background: var(--green); color: #05070A; }

/* ===== MOVING BACKGROUND GLOW (slow, subtle) ===== */
.bg-glow { position: fixed; inset: 0; z-index: -2; overflow: hidden; pointer-events: none; }
.bg-glow span { position: absolute; display: block; border-radius: 50%; will-change: transform; }
.bg-glow .g1 { width: 820px; height: 820px; top: -240px; left: 22%;
  background: radial-gradient(circle, rgba(0,102,255,0.16), rgba(5,7,10,0) 66%);
  animation: glowMove1 34s ease-in-out infinite; }
.bg-glow .g2 { width: 640px; height: 640px; top: 30%; right: -180px;
  background: radial-gradient(circle, rgba(0,255,157,0.10), rgba(5,7,10,0) 66%);
  animation: glowMove2 42s ease-in-out infinite; }
@keyframes glowMove1 { 0%,100% { transform: translate(0,0); } 50% { transform: translate(180px,160px); } }
@keyframes glowMove2 { 0%,100% { transform: translate(0,0); } 50% { transform: translate(-160px,-120px); } }
@media (prefers-reduced-motion: reduce) { .bg-glow span { animation: none !important; } }

/* ===== STATIC GRAIN (premium texture, no motion) ===== */
.bg-grain { position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: 0.07;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 200px 200px; }

/* ===== SCROLL REVEAL ===== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2,0.7,0.2,1); }
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1 !important; transform: none !important; transition: none; } }

/* ===== NAV ===== */
nav {
  position: fixed; top:0; left:0; right:0; z-index: 100;
  display:flex; justify-content:space-between; align-items:center;
  padding: 26px 48px; backdrop-filter: blur(12px);
  background: linear-gradient(to bottom, rgba(5,7,10,0.85), transparent);
}
.logo-text { font-family:'Space Grotesk',sans-serif; font-weight:600; font-size:18px; letter-spacing:-0.02em; display:flex; align-items:center; gap:8px; text-decoration:none; color:var(--text); }
.logo-text .dot { width:7px; height:7px; border-radius:50%; background:linear-gradient(135deg,var(--blue),var(--green)); box-shadow:0 0 12px var(--green); }
.logo-text .logo-img { height:34px; width:auto; display:block; }
.nav-links { display:flex; gap:34px; font-size:14px; color:var(--text-dim); }
.nav-links a { color:var(--text-dim); text-decoration:none; transition:color 0.2s; }
.nav-links a:hover { color:var(--text); }
.nav-lang { display:flex; gap:14px; font-family:'JetBrains Mono',monospace; font-size:12px; color:var(--text-dim); }
.nav-lang a { color:var(--text-dim); text-decoration:none; cursor:pointer; }
.nav-lang a.active { color:var(--green); }

/* ===== HERO ===== */
.hero {
  position: relative; height: 100vh; min-height: 680px;
  display:flex; flex-direction:column; justify-content:center; align-items:center; text-align:center; overflow:hidden;
}
.hero video {
  position:absolute; top:50%; left:50%; width:100%; height:100%;
  object-fit:cover; transform:translate(-50%,-50%); z-index:0; opacity:0.92;
}
.hero::after {
  content:''; position:absolute; inset:0;
  background:
    radial-gradient(ellipse 90% 70% at center 42%, rgba(5,7,10,0) 0%, rgba(5,7,10,0.12) 55%, rgba(5,7,10,0.55) 100%),
    linear-gradient(to bottom, rgba(5,7,10,0.55) 0%, rgba(5,7,10,0) 22%, rgba(5,7,10,0) 60%, rgba(5,7,10,0.96) 100%);
  z-index:1;
}
.hero-content { position:relative; z-index:2; max-width:880px; padding:0 24px; }
.eyebrow {
  font-family:'JetBrains Mono',monospace; font-size:12px; letter-spacing:0.15em; color:var(--green);
  text-transform:uppercase; margin-bottom:24px; display:inline-flex; align-items:center; gap:10px;
  padding:6px 14px; border:1px solid rgba(0,255,157,0.25); border-radius:100px; background:rgba(0,255,157,0.12);
  backdrop-filter: blur(6px);
}
.pulse-dot { width:6px; height:6px; border-radius:50%; background:var(--green); box-shadow:0 0 8px var(--green); animation:pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1);} 50%{opacity:0.4;transform:scale(0.7);} }
h1 { font-family:'Space Grotesk',sans-serif; font-size:clamp(40px,7vw,82px); font-weight:700; line-height:1.04; letter-spacing:-0.035em; margin-bottom:24px; text-shadow: 0 2px 30px rgba(5,7,10,0.6), 0 1px 4px rgba(5,7,10,0.5); }
.gradient-text { background:linear-gradient(135deg,var(--blue) 0%, var(--green) 100%); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; }
.hero p { font-size:18px; color:var(--text-dim); max-width:560px; margin:0 auto 40px; line-height:1.6; }
.cta-group { display:flex; gap:16px; justify-content:center; flex-wrap:wrap; }
.btn {
  font-family:'Inter',sans-serif; font-weight:500; font-size:15px; padding:15px 28px;
  border-radius:8px; text-decoration:none; transition:all 0.25s ease;
  display:inline-flex; align-items:center; gap:8px; border:none; cursor:pointer;
}
.btn-primary { background: linear-gradient(135deg, var(--blue), var(--green)); color:#05070A; }
.btn-primary:hover { box-shadow: 0 0 30px rgba(0,255,157,0.4); transform: translateY(-2px); }
.btn-secondary { border:1px solid var(--border); color:var(--text); background:rgba(255,255,255,0.02); }
.btn-secondary:hover { border-color: var(--green); background: rgba(0,255,157,0.05); }

.scroll-hint {
  position:absolute; bottom:32px; left:50%; transform:translateX(-50%); z-index:2;
  font-family:'JetBrains Mono',monospace; font-size:11px; color:var(--text-dim); letter-spacing:0.1em;
  display:flex; flex-direction:column; align-items:center; gap:10px;
}
.scroll-line { width:1px; height:30px; background: linear-gradient(to bottom, var(--green), transparent); animation: scrollmove 2s ease-in-out infinite; }
@keyframes scrollmove { 0%{opacity:0;transform:translateY(-6px);} 50%{opacity:1;} 100%{opacity:0;transform:translateY(6px);} }

/* ===== CIRCUIT DIVIDER ===== */
.circuit-divider { position:relative; height:64px; display:flex; align-items:center; justify-content:center; overflow:hidden; }
.circuit-line { position:relative; width:100%; max-width:1100px; height:1px; background:var(--border); margin:0 48px; }
.circuit-line::before {
  content:''; position:absolute; top:0; left:0; height:1px; width:140px;
  background: linear-gradient(90deg, transparent, var(--green), transparent);
  animation: travel 4.5s linear infinite;
}
@keyframes travel { 0%{left:-140px;} 100%{left:100%;} }

/* ===== SECTION GENERIC ===== */
.section { padding: 100px 48px; max-width: 1200px; margin: 0 auto; }
.section.narrow { max-width: 760px; }
.section-label {
  font-family:'JetBrains Mono',monospace; font-size:12px; color:var(--green);
  letter-spacing:0.1em; text-transform:uppercase; margin-bottom:16px;
}
.section-title {
  font-family:'Space Grotesk',sans-serif; font-size:clamp(30px,4.6vw,54px); font-weight:700;
  letter-spacing:-0.03em; line-height:1.08; max-width:680px; margin-bottom:14px;
}
.section-sub { color: var(--text-dim); font-size:14.5px; max-width:560px; margin-bottom:48px; }

/* ===== EXPERT BADGE ===== */
.expert-badge {
  display:inline-flex; align-items:center; gap:9px; margin-bottom:18px;
  font-family:'JetBrains Mono',monospace; font-size:12px; letter-spacing:0.04em; color:var(--green);
  padding:7px 15px; border:1px solid rgba(0,255,157,0.3); border-radius:100px; background:rgba(0,255,157,0.06);
}
.expert-check {
  display:inline-flex; align-items:center; justify-content:center; width:16px; height:16px; border-radius:50%;
  background:linear-gradient(135deg,var(--blue),var(--green)); color:#05070A; font-size:10px; font-weight:700;
}

/* ===== SERVICES — tilt 3D cards ===== */
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap:20px; }
@media (max-width: 1000px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .services-grid { grid-template-columns: 1fr; } }

.service-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 30px 26px;
  position: relative; overflow: hidden; cursor: pointer; transform-style: preserve-3d;
  transition: transform 0.1s ease-out, box-shadow 0.2s ease-out, border-color 0.2s;
  will-change: transform; opacity: 0; transform: translateY(16px);
}
.service-card.in { animation: cardIn 0.5s cubic-bezier(0.2,0.7,0.3,1) forwards; }
@keyframes cardIn { to { opacity:1; transform:translateY(0); } }
.service-card .glow {
  position: absolute; width: 220px; height: 220px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,255,157,0.18), transparent 70%);
  pointer-events: none; opacity: 0; transition: opacity 0.25s; transform: translate(-50%, -50%);
}
.service-card:hover .glow { opacity: 1; }
.service-card:hover { border-color: rgba(0,255,157,0.3); box-shadow: 0 18px 50px rgba(0,0,0,0.4); }
.service-card .icon {
  width: 38px; height: 38px; border-radius: 9px;
  background: linear-gradient(135deg, rgba(0,102,255,0.15), rgba(0,255,157,0.15));
  border:1px solid var(--border); display:flex; align-items:center; justify-content:center;
  font-size: 17px; margin-bottom: 18px; transform: translateZ(20px);
}
.service-card .num { font-family:'JetBrains Mono',monospace; font-size:11px; color:var(--text-dim); position:absolute; top:28px; right:24px; transform: translateZ(20px); }
.service-card h3 { font-family:'Space Grotesk',sans-serif; font-size:16px; font-weight:600; margin-bottom:6px; transform: translateZ(15px); }
.service-card .desc { font-size:12.5px; color:var(--text-dim); line-height:1.55; transform: translateZ(10px); }
.service-card .hint {
  font-family:'JetBrains Mono',monospace; font-size:10px; color: var(--green);
  letter-spacing:0.06em; margin-top:14px; opacity:0; transition: opacity 0.2s; transform: translateZ(10px);
}
.service-card:hover .hint { opacity: 0.85; }

/* ===== SPOTLIGHT OVERLAY ===== */
.spotlight-overlay {
  position: fixed; inset: 0; z-index: 400;
  background: rgba(5,7,10,0.75); backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity 0.25s ease;
}
.spotlight-overlay.open { opacity: 1; pointer-events: auto; }
.spotlight-panel {
  width: min(560px, 88vw);
  background: linear-gradient(160deg, #0d1620 0%, #0a0f17 100%);
  border: 1px solid rgba(0,255,157,0.35);
  border-radius: 20px; padding: 48px;
  box-shadow: 0 30px 90px rgba(0,0,0,0.6), 0 0 80px rgba(0,255,157,0.08);
  transform: scale(0.94) translateY(10px); opacity: 0;
  transition: transform 0.3s cubic-bezier(0.2,0.9,0.3,1), opacity 0.25s ease;
}
.spotlight-overlay.open .spotlight-panel { transform: scale(1) translateY(0); opacity: 1; }
.stagger-item { opacity: 0; transform: translateY(10px); }
.spotlight-overlay.open .stagger-item { animation: itemIn 0.4s cubic-bezier(0.2,0.7,0.3,1) forwards; }
.spotlight-overlay.open .stagger-item:nth-child(1) { animation-delay: 0.05s; }
.spotlight-overlay.open .stagger-item:nth-child(2) { animation-delay: 0.12s; }
.spotlight-overlay.open .stagger-item:nth-child(3) { animation-delay: 0.19s; }
@keyframes itemIn { to { opacity: 1; transform: translateY(0); } }
.panel-list-item { opacity: 0; transform: translateX(-8px); }
.spotlight-overlay.open .panel-list-item { animation: listIn 0.35s ease forwards; }
@keyframes listIn { to { opacity: 1; transform: translateX(0); } }
.spotlight-panel .icon-lg {
  width: 54px; height: 54px; border-radius: 14px;
  background: linear-gradient(135deg, rgba(0,102,255,0.2), rgba(0,255,157,0.2));
  border: 1px solid rgba(0,255,157,0.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 23px; margin-bottom: 22px;
}
.spotlight-panel h3 { font-family:'Space Grotesk',sans-serif; font-size: 25px; font-weight: 600; margin-bottom: 10px; letter-spacing: -0.01em; }
.spotlight-panel .desc { font-size: 13.5px; color: var(--text-dim); line-height: 1.6; margin-bottom: 26px; }
.spotlight-panel .check-list { list-style: none; font-size: 13.5px; color: var(--text); line-height: 2.1; }
.spotlight-panel .check-list li::before { content: '▸ '; color: var(--green); }
.spotlight-close {
  position: absolute; top: 22px; right: 22px; width: 30px; height: 30px; border-radius: 50%;
  border: 1px solid var(--border); background: rgba(255,255,255,0.03); color: var(--text-dim);
  display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 15px;
  transition: border-color 0.2s, color 0.2s;
}
.spotlight-close:hover { border-color: var(--green); color: var(--green); }
@media (max-width: 600px) { .spotlight-panel { padding: 34px 26px; } }

/* ===== WORKS — sección desplegable ===== */
.works-trigger {
  display:flex; align-items:flex-start; justify-content:space-between; gap:24px;
  width:100%; cursor:pointer; text-align:left; padding:8px 0; border-radius:12px;
  transition: opacity 0.2s;
}
.works-trigger:focus-visible { outline:2px solid var(--green); outline-offset:8px; }
.works-trigger .section-sub { margin-bottom:6px; }
.works-trigger .section-title { transition:color 0.25s; }
.works-trigger:hover .section-title { color:var(--green); }
.works-hint {
  display:inline-block; font-family:'JetBrains Mono',monospace; font-size:11.5px; letter-spacing:0.06em;
  color:var(--green); opacity:0.8; transition:opacity 0.2s;
}
.works-trigger:hover .works-hint { opacity:1; }
.works-trigger[aria-expanded="true"] .works-hint { display:none; }
.works-chevron {
  flex-shrink:0; font-size:32px; line-height:1; color:var(--green); margin-top:6px;
  transition:transform 0.35s ease;
}
.works-trigger[aria-expanded="true"] .works-chevron { transform:rotate(180deg); }
.works-body {
  max-height:0; overflow:hidden; opacity:0; margin-top:0;
  transition: max-height 0.55s cubic-bezier(0.2,0.7,0.3,1), opacity 0.45s ease, margin-top 0.45s ease;
}
.works-body.open { max-height:4000px; opacity:1; margin-top:36px; }

/* ===== PORTFOLIO (galería visual limpia) ===== */
.portfolio-grid { display:grid; grid-template-columns: repeat(3, 1fr); gap:18px; }
.portfolio-card { border-radius:16px; overflow:hidden; border:1px solid var(--border); background:var(--surface); transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s; }
.portfolio-card:hover { transform: translateY(-6px); border-color: rgba(0,255,157,0.4); box-shadow: 0 18px 50px rgba(0,0,0,0.45); }
.portfolio-thumb {
  height:230px; position:relative; overflow:hidden;
  background-color:#0a0f17; background-size:cover; background-position:center;
  transition: transform 0.5s ease;
}
.portfolio-card:hover .portfolio-thumb { transform: scale(1.05); }
.portfolio-thumb-video { padding: 0; }
.portfolio-video { width: 100%; height: 100%; object-fit: cover; display: block; }
@media (max-width: 900px) { .portfolio-grid { grid-template-columns: 1fr 1fr; } .portfolio-thumb { height:200px; } }
@media (max-width: 600px) { .portfolio-grid { grid-template-columns: 1fr; } }

/* ===== SEO AUDIT — desplegable llamativo ===== */
.audit-reveal { margin-top: 40px; }
.audit-trigger {
  width: 100%; display: flex; align-items: center; gap: 20px; text-align: left;
  background: linear-gradient(120deg, rgba(0,102,255,0.10), rgba(0,255,157,0.10));
  border: 1px solid rgba(0,255,157,0.35); border-radius: 16px; padding: 22px 26px;
  cursor: pointer; color: var(--text); font-family: 'Inter', sans-serif;
  position: relative; overflow: hidden; transition: border-color 0.25s, box-shadow 0.25s, transform 0.2s;
  box-shadow: 0 0 0 rgba(0,255,157,0);
  animation: auditGlow 3s ease-in-out infinite;
}
@keyframes auditGlow {
  0%, 100% { box-shadow: 0 0 0 rgba(0,255,157,0), inset 0 0 30px rgba(0,255,157,0.04); }
  50% { box-shadow: 0 0 28px rgba(0,255,157,0.18), inset 0 0 40px rgba(0,255,157,0.07); }
}
.audit-trigger::before {
  content: ''; position: absolute; top: 0; left: -60%; width: 50%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,0.10), transparent);
  transform: skewX(-18deg); animation: auditShine 4.5s ease-in-out infinite;
}
@keyframes auditShine { 0% { left: -60%; } 35%, 100% { left: 140%; } }
.audit-trigger:hover { border-color: var(--green); transform: translateY(-2px); }
@media (prefers-reduced-motion: reduce) { .audit-trigger, .audit-trigger::before { animation: none; } }
.audit-trigger-icon {
  flex-shrink: 0; width: 48px; height: 48px; border-radius: 12px;
  background: linear-gradient(135deg, var(--blue), var(--green));
  display: flex; align-items: center; justify-content: center;
}
.audit-trigger-icon svg { width: 24px; height: 24px; }
.audit-trigger-text { flex: 1; display: flex; flex-direction: column; gap: 3px; }
.audit-trigger-tag { font-family:'JetBrains Mono',monospace; font-size: 10.5px; letter-spacing: 0.12em; color: var(--green); }
.audit-trigger-title { font-family:'Space Grotesk',sans-serif; font-size: 18px; font-weight: 600; letter-spacing: -0.01em; }
.audit-trigger-hint { font-size: 12.5px; color: var(--text-dim); }
.audit-chevron { flex-shrink: 0; font-size: 26px; line-height: 1; color: var(--green); transition: transform 0.35s ease; }
.audit-reveal.open .audit-chevron { transform: rotate(180deg); }
.audit-body { max-height: 0; overflow: hidden; opacity: 0; transition: max-height 0.5s cubic-bezier(0.2,0.7,0.3,1), opacity 0.4s ease, margin-top 0.4s ease; margin-top: 0; }
.audit-reveal.open .audit-body { max-height: 1300px; opacity: 1; margin-top: 24px; }
.audit-frame { display: flex; justify-content: center; padding: 4px 0; }
.audit-frame img {
  max-width: 540px; width: 100%; border-radius: 12px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.5); border: 1px solid var(--border);
}
@media (max-width: 600px) {
  .audit-trigger { gap: 14px; padding: 18px; }
  .audit-trigger-hint { display: none; }
  .audit-frame img { max-width: 100%; }
}

/* ===== SEO PROCESS ===== */
.process-grid { display:grid; grid-template-columns: repeat(4, 1fr); gap:20px; }
@media (max-width: 900px) { .process-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .process-grid { grid-template-columns: 1fr; } }
.process-step { background: var(--surface); border:1px solid var(--border); border-radius:16px; padding:28px 24px; position:relative; }
.process-step .pnum { font-family:'JetBrains Mono',monospace; font-size:12px; color:var(--green); margin-bottom:14px; display:block; }
.process-step h4 { font-family:'Space Grotesk',sans-serif; font-size:16px; font-weight:600; margin-bottom:8px; }
.process-step p { font-size:12.5px; color:var(--text-dim); line-height:1.55; }
.process-step::after { content:''; position:absolute; top:50%; right:-20px; width:20px; height:1px; background:var(--border); }
.process-step:last-child::after { display:none; }
@media (max-width: 900px) { .process-step::after { display:none; } }

/* ===== FAQ ===== */
.faq-list { display:flex; flex-direction:column; gap:12px; }
.faq-item { border:1px solid var(--border); border-radius:14px; background:var(--surface); overflow:hidden; transition:border-color 0.25s; }
.faq-item.open { border-color:rgba(0,255,157,0.35); }
.faq-q {
  width:100%; display:flex; align-items:center; justify-content:space-between; gap:16px;
  background:none; border:none; cursor:pointer; text-align:left; color:var(--text);
  font-family:'Space Grotesk',sans-serif; font-size:16px; font-weight:600; padding:22px 24px; line-height:1.4;
}
.faq-q:hover { color:var(--green); }
.faq-icon { flex-shrink:0; width:24px; height:24px; position:relative; }
.faq-icon::before, .faq-icon::after { content:''; position:absolute; top:50%; left:50%; background:var(--green); border-radius:2px; transition:transform 0.3s ease; }
.faq-icon::before { width:14px; height:2px; transform:translate(-50%,-50%); }
.faq-icon::after { width:2px; height:14px; transform:translate(-50%,-50%); }
.faq-item.open .faq-icon::after { transform:translate(-50%,-50%) scaleY(0); }
.faq-a { max-height:0; overflow:hidden; opacity:0; transition:max-height 0.4s cubic-bezier(0.2,0.7,0.3,1), opacity 0.3s ease; }
.faq-item.open .faq-a { max-height:340px; opacity:1; }
.faq-a p { color:var(--text-dim); font-size:14px; line-height:1.7; padding:0 24px 22px; max-width:none; margin:0; }

/* ===== STATS BAR ===== */
.stats-bar { border-top:1px solid var(--border); border-bottom:1px solid var(--border); display:grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding:50px 24px; text-align:center; border-right:1px solid var(--border); }
.stat:last-child { border-right:none; }
.stat .num {
  font-family:'Space Grotesk',sans-serif; font-size:30px; font-weight:600;
  background: linear-gradient(135deg, var(--blue), var(--green)); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent;
  display:block; margin-bottom:8px;
}
.stat .label { font-size:12.5px; color:var(--text-dim); }
@media (max-width: 768px) { .stats-bar { grid-template-columns: 1fr 1fr; } .stat { border-right:none; border-bottom:1px solid var(--border); } }

/* ===== CALCULATOR POPUP ===== */
.calc-overlay {
  position: fixed; inset: 0; z-index: 400; display: flex; align-items: center; justify-content: center;
  padding: 20px; background: rgba(3,5,8,0.72); backdrop-filter: blur(8px);
  opacity: 0; visibility: hidden; transition: opacity 0.3s ease, visibility 0.3s;
}
.calc-overlay.open { opacity: 1; visibility: visible; }
.calc-popup {
  position: relative; width: 100%; max-width: 560px; max-height: 86vh; overflow-y: auto;
  background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 32px 30px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.6);
  transform: scale(0.94); opacity: 0; transition: transform 0.3s cubic-bezier(0.2,0.7,0.3,1), opacity 0.3s ease;
}
.calc-overlay.open .calc-popup { transform: scale(1); opacity: 1; }
.calc-popup-close {
  position: absolute; top: 14px; right: 14px; width: 32px; height: 32px; border-radius: 8px;
  border: 1px solid var(--border); background: transparent; color: var(--text-dim); font-size: 18px; line-height: 1;
  cursor: pointer; display: flex; align-items: center; justify-content: center; transition: color 0.2s, border-color 0.2s;
}
.calc-popup-close:hover { color: var(--text); border-color: var(--green); }
.calc-popup-head { margin-bottom: 22px; padding-right: 40px; }

/* ===== CALCULATOR ===== */
.calc-card { background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 40px; }
.calc-title { font-family:'Space Grotesk',sans-serif; font-size: 22px; font-weight: 600; margin-bottom: 6px; }
.calc-sub { font-size: 13px; color: var(--text-dim); }
.calc-trigger { display: flex; justify-content: space-between; align-items: center; cursor: pointer; gap: 20px; }
.calc-chevron { font-size: 20px; color: var(--green); transition: transform 0.3s ease; flex-shrink: 0; }
.calc-card.open .calc-chevron { transform: rotate(180deg); }
.calc-body { max-height: 0; overflow: hidden; opacity: 0; transition: max-height 0.45s cubic-bezier(0.2,0.7,0.3,1), opacity 0.3s ease, margin-top 0.45s ease; margin-top: 0; }
.calc-card.open .calc-body { max-height: 1400px; opacity: 1; margin-top: 28px; }

.calc-item { border: 1px solid var(--border); border-radius: 12px; padding: 16px 18px; margin-bottom: 10px; cursor: pointer; transition: border-color 0.2s, background 0.2s; }
.calc-item:hover { border-color: rgba(0,255,157,0.25); }
.calc-item.checked { border-color: var(--green); background: rgba(0,255,157,0.05); }
.calc-item-top { display: flex; align-items: center; gap: 14px; }
.checkbox {
  width: 20px; height: 20px; border-radius: 6px; border: 1.5px solid var(--border);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  transition: border-color 0.2s, background 0.2s; font-size: 12px; color: #05070A;
}
.calc-item.checked .checkbox { background: var(--green); border-color: var(--green); }
.calc-item-label { font-size: 14.5px; font-weight: 500; flex: 1; }
.calc-item-range { font-family:'JetBrains Mono',monospace; font-size: 12px; color: var(--text-dim); }
.calc-item.checked .calc-item-range { color: var(--green); }

.calc-suboptions { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border); display: none; }
.calc-item.checked .calc-suboptions.has-suboptions { display: block; }
.sub-row { display: flex; gap: 8px; margin-bottom: 8px; flex-wrap: wrap; }
.sub-label { font-size: 11px; color: var(--text-dim); font-family:'JetBrains Mono',monospace; width: 100%; margin-bottom: 4px; }
.sub-btn {
  font-family: 'Inter', sans-serif; font-size: 12px; padding: 7px 12px; border-radius: 8px;
  border: 1px solid var(--border); background: rgba(255,255,255,0.02); color: var(--text-dim);
  cursor: pointer; transition: all 0.15s;
}
.sub-btn.active { border-color: var(--green); color: var(--green); background: rgba(0,255,157,0.08); }

.calc-total { margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: baseline; }
.calc-total-label { font-size: 13px; color: var(--text-dim); }
.calc-total-value {
  font-family:'Space Grotesk',sans-serif; font-size: 20px; font-weight: 600;
  background: linear-gradient(135deg, var(--blue), var(--green));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.calc-disclaimer { font-family:'JetBrains Mono',monospace; font-size: 10.5px; color: var(--text-dim); margin-top: 10px; opacity: 0.7; }
.calc-cta {
  width: 100%; margin-top: 22px; font-family:'Inter',sans-serif; font-weight:500; font-size:15px; padding:15px;
  border-radius:10px; border:none; cursor:pointer;
  background: linear-gradient(135deg, var(--blue), var(--green)); color:#05070A;
  transition: box-shadow 0.2s, transform 0.2s; opacity: 0.4; pointer-events: none;
}
.calc-cta.active { opacity: 1; pointer-events: auto; }
.calc-cta.active:hover { box-shadow: 0 0 28px rgba(0,255,157,0.4); transform: translateY(-1px); }

/* ===== SMART FORM ===== */
.form-card { background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 44px; position: relative; overflow: hidden; }
.form-error { display: none; color: #ff7a7a; font-size: 13px; margin-bottom: 14px; }
.form-error.show { display: block; }
.form-progress { display: flex; gap: 6px; margin-bottom: 32px; }
.form-progress .step { flex: 1; height: 3px; border-radius: 3px; background: var(--border); overflow: hidden; }
.form-progress .step .fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--blue), var(--green)); transition: width 0.4s ease; }
.form-progress .step.done .fill, .form-progress .step.active .fill { width: 100%; }
.form-step-label { font-family:'JetBrains Mono',monospace; font-size:11px; color:var(--green); letter-spacing:0.1em; text-transform:uppercase; margin-bottom: 10px; }
.form-question { font-family:'Space Grotesk',sans-serif; font-size: 24px; font-weight: 600; margin-bottom: 28px; letter-spacing:-0.01em; }
.option-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.option-btn {
  background: rgba(255,255,255,0.02); border: 1px solid var(--border); border-radius: 12px; padding: 20px 18px;
  cursor: pointer; text-align: left; transition: border-color 0.2s, background 0.2s, transform 0.15s;
  color: var(--text); font-family: 'Inter', sans-serif;
}
.option-btn:hover { border-color: rgba(0,255,157,0.35); background: rgba(0,255,157,0.04); transform: translateY(-2px); }
.option-btn.selected { border-color: var(--green); background: rgba(0,255,157,0.08); }
.option-btn .icon { font-size: 22px; margin-bottom: 10px; display:block; }
.option-btn .label { font-size: 14px; font-weight: 500; }
.form-fields { display: flex; flex-direction: column; gap: 14px; }
.form-fields input {
  background: rgba(255,255,255,0.02); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px;
  color: var(--text); font-family: 'Inter', sans-serif; font-size: 14px; outline: none; transition: border-color 0.2s;
}
.form-fields input:focus { border-color: var(--green); }
.form-fields input::placeholder { color: var(--text-dim); }
.form-nav { display: flex; justify-content: space-between; align-items: center; margin-top: 32px; }
.btn-back { font-family:'JetBrains Mono',monospace; font-size:12px; color: var(--text-dim); background: none; border: none; cursor: pointer; }
.btn-back:hover { color: var(--text); }
.btn-next {
  font-family:'Inter',sans-serif; font-weight:500; font-size:14px; padding:13px 26px; border-radius:8px; border:none; cursor:pointer;
  background: linear-gradient(135deg, var(--blue), var(--green)); color:#05070A; transition: box-shadow 0.2s, transform 0.2s;
}
.btn-next:hover { box-shadow: 0 0 24px rgba(0,255,157,0.4); transform: translateY(-1px); }
.btn-next:disabled { opacity: 0.3; cursor: not-allowed; box-shadow: none; transform: none; }
.form-step { animation: stepIn 0.3s ease; }
@keyframes stepIn { from { opacity: 0; transform: translateX(12px); } to { opacity: 1; transform: translateX(0); } }
.success-state { text-align: center; padding: 20px 0; }
.success-icon {
  width: 60px; height: 60px; border-radius: 50%; background: linear-gradient(135deg, rgba(0,102,255,0.2), rgba(0,255,157,0.2));
  border: 1px solid var(--green); display: flex; align-items:center; justify-content:center; font-size: 28px; margin: 0 auto 20px; color: var(--green);
}
.success-state h3 { font-family:'Space Grotesk',sans-serif; font-size: 22px; margin-bottom: 10px; }
.success-state p { color: var(--text-dim); font-size: 14px; line-height: 1.6; }
.summary-tag {
  display: inline-block; font-family:'JetBrains Mono',monospace; font-size: 11px; color: var(--green);
  background: rgba(0,255,157,0.08); border: 1px solid rgba(0,255,157,0.3); padding: 5px 12px; border-radius: 100px; margin-top: 16px;
}

/* ===== CONTACT ===== */
.contact-section { text-align:center; padding-top:60px; padding-bottom:40px; }
.contact-section h2 { font-family:'Space Grotesk',sans-serif; font-size:clamp(30px,4.6vw,52px); font-weight:600; letter-spacing:-0.02em; margin-bottom:20px; }
.contact-section p.lead { color: var(--text-dim); margin-bottom:40px; }

footer { border-top:1px solid var(--border); padding:32px 48px; display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:14px 28px; font-size:13px; color:var(--text-dim); font-family:'JetBrains Mono',monospace; }
footer a { color:var(--text-dim); text-decoration:none; transition:color 0.2s; }
footer a:hover { color:var(--green); }

/* ===== WHATSAPP FLOATING BUTTON ===== */
.wa-float {
  position: fixed; bottom: 92px; right: 28px; width: 58px; height: 58px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--green));
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  box-shadow: 0 8px 30px rgba(0,255,157,0.35); z-index: 300; transition: transform 0.2s;
  animation: waPulse 2.5s ease-in-out infinite;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 28px; height: 28px; fill: #05070A; }
@keyframes waPulse { 0%, 100% { box-shadow: 0 8px 30px rgba(0,255,157,0.35); } 50% { box-shadow: 0 8px 40px rgba(0,255,157,0.6); } }
.wa-tooltip {
  position: fixed; bottom: 160px; right: 28px; background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 12px 16px; font-size: 13px; color: var(--text); max-width: 220px;
  z-index: 299; opacity: 0; transform: translateY(8px); transition: opacity 0.3s, transform 0.3s; pointer-events: none;
}
.wa-tooltip.show { opacity: 1; transform: translateY(0); }
.wa-tooltip::after {
  content: ''; position: absolute; bottom: -6px; right: 24px; width: 12px; height: 12px;
  background: var(--surface); border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); transform: rotate(45deg);
}

/* ===== FLOATING CALCULATOR BUTTON ===== */
.calc-float {
  position: fixed; bottom: 162px; right: 28px; width: 58px; height: 58px; border-radius: 50%;
  background: var(--surface); border: 1px solid rgba(0,255,157,0.45);
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  box-shadow: 0 8px 26px rgba(0,0,0,0.5); z-index: 300; transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}
.calc-float:hover { transform: scale(1.08); border-color: var(--green); box-shadow: 0 8px 32px rgba(0,255,157,0.4); }
.calc-float svg { width: 26px; height: 26px; }
.calc-ftip {
  position: fixed; bottom: 230px; right: 28px; background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: 10px 14px; font-size: 13px; color: var(--text); max-width: 220px;
  z-index: 299; opacity: 0; transform: translateY(8px); transition: opacity 0.3s, transform 0.3s; pointer-events: none;
}
.calc-ftip.show { opacity: 1; transform: translateY(0); }
.calc-ftip::after {
  content: ''; position: absolute; bottom: -6px; right: 24px; width: 12px; height: 12px;
  background: var(--surface); border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); transform: rotate(45deg);
}

/* ===== PERSISTENT STICKY BANNER ===== */
.sticky-banner {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 250;
  background: linear-gradient(90deg, #081018, #0a1420); border-top: 1px solid rgba(0,255,157,0.25);
  padding: 14px 24px; display: flex; align-items: center; justify-content: center; gap: 18px; flex-wrap: wrap;
  transform: translateY(0); transition: transform 0.3s ease;
}
.sticky-banner.hidden { transform: translateY(100%); }
.sticky-banner .msg { font-size: 13.5px; color: var(--text); text-align: center; }
.sticky-banner .msg b { color: var(--green); }
.sticky-banner .actions { display: flex; gap: 10px; }
.sticky-btn {
  font-family:'Inter',sans-serif; font-weight:500; font-size:13px; padding:9px 18px; border-radius:8px;
  cursor:pointer; white-space: nowrap; text-decoration:none; transition: all 0.2s; border: none;
}
.sticky-btn.primary { background: linear-gradient(135deg, var(--blue), var(--green)); color:#05070A; }
.sticky-btn.primary:hover { box-shadow: 0 0 20px rgba(0,255,157,0.4); }
.sticky-btn.ghost { background: none; border: 1px solid var(--border); color: var(--text-dim); }
.sticky-btn.ghost:hover { border-color: var(--text-dim); color: var(--text); }
.sticky-close {
  position: absolute; top: -10px; right: 10px; width: 22px; height: 22px; border-radius: 50%;
  background: var(--surface); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center;
  font-size: 12px; color: var(--text-dim); cursor: pointer;
}
.sticky-reopen {
  position: fixed; bottom: 0; left: 50%; transform: translateX(-50%) translateY(100%);
  background: var(--surface); border: 1px solid var(--border); border-bottom: none;
  border-radius: 10px 10px 0 0; padding: 8px 18px; font-family:'JetBrains Mono',monospace; font-size: 11px;
  color: var(--green); cursor: pointer; z-index: 251; opacity: 0; transition: transform 0.3s ease, opacity 0.3s ease;
}
.sticky-reopen.show { transform: translateX(-50%) translateY(0); opacity: 1; }

@media (max-width: 768px) {
  nav { padding:20px 24px; } .nav-links { display:none; } .section { padding:64px 24px; }
}
@media (max-width: 600px) {
  .form-card, .calc-card { padding: 30px 22px; }
  .option-grid { grid-template-columns: 1fr; }
  .wa-float { bottom: 86px; right: 20px; width: 52px; height: 52px; }
  .calc-float { bottom: 148px; right: 20px; width: 50px; height: 50px; }
  .calc-float svg { width: 23px; height: 23px; }
  .calc-ftip { display: none; }
  .sticky-banner { flex-direction: column; padding: 12px 16px; gap: 10px; }
  .sticky-banner .msg { font-size: 12.5px; }
}