:root {
  --y: #FFE600; --blue: #347AF1; --green: #2DBF67; --red: #E01515;
  --dark: #0A0C15; --dark2: #10131C; --dark3: #161A24; --dark4: #1E2230;
  --light: #F0F0F0; --light2: #E8E8E8;
  --t1: #ECEEf8; --t2: #8A92AA; --t3: #505668;
  --bd: #20253A;
  --mono: 'JetBrains Mono', monospace;
  --sans: 'Inter', sans-serif;
}
html {
  scroll-behavior: smooth;
}
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--sans); background: var(--dark); color: var(--t1); overflow-x: hidden; }
::selection { background: var(--y); color: #000; }
img { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
a.btn:focus { outline: 2px solid var(--y); outline-offset: 2px; }

/* SECTION FADE-IN SYSTEM */
.sec-fade {
  opacity: 0;
  transition: opacity 0.55s ease;
}
.sec-fade.sec-visible { opacity: 1; }

/* DECISIONS STICKY LAYOUT */
#decisions { background: var(--dark2); padding: 0; overflow: visible; }
.decisions-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  max-width: 1360px;
  margin: 0 auto;
  padding: 80px 80px 80px;
  align-items: start;
  position: relative;
}
.decisions-sticky-left {
  padding: 0 60px 80px 0;
  height: fit-content;
}
.decisions-sticky-left h2 { font-size: clamp(28px,3.2vw,44px); }
.decisions-cards-right {
  position: relative;
  padding: 0;
  min-height: 540px;
}
@media (max-width: 900px) {
  .decisions-wrapper { grid-template-columns: 1fr; padding: 0 28px; min-height: auto; }
  .decisions-sticky-left { padding: 80px 0 40px; }
  .decisions-cards-right { position: static; padding: 0 0 80px; min-height: auto; display: flex; flex-direction: column; gap: 20px; }
}

/* HMW LIGHT STYLE */
#hmw {
  background: #F0F1F6;
  background-image: radial-gradient(circle, #C8CBD8 1px, transparent 1px);
  background-size: 24px 24px;
  color: #111;
  display: flex;
}
#hmw h2 { color: #111; }
#hmw .section-tag { color: #555; }
#hmw .section-tag::before { background: #555; }
.hmw-card.dark-card { background: #111; border-color: rgba(255,255,255,0.08); }
.hmw-card.dark-card .hmw-q { color: #F0F0F0; }
.hmw-card.dark-card .hmw-note { color: #888; border-color: rgba(255,255,255,0.1); }

.hmw-card.light-card { background:#FFFBEB; border: 1px solid #FFE600;}
.hmw-card.light-card .hmw-q { color: #111; }
.hmw-card.light-card .pain-tag {
  background:#FFE600; color:#000; border:none
}
.hmw-card.light-card .hmw-note { color: #666; border-color: #E8E8E8; }

/* CIERRE YELLOW STATIC */
#cierre {
  background: var(--y) !important;
  color: #000 !important;
}
#cierre .cierre-title { color: #000 !important; }
#cierre .cierre-title .yellow { background: #111; padding: 4px 12px 8px; border-radius: 8px; }
#cierre .cierre-info a { color: rgba(0,0,0,0.55) !important; }
#cierre .cierre-info a:hover { color: #000 !important; }
#cierre .cierre-info .date { color: rgba(0,0,0,0.4) !important; }
#cierre .btn-y { background: #000 !important; color: var(--y) !important; }
#cierre .section-tag { color: rgba(0,0,0,0.4); }
#cierre .section-tag::before { background: rgba(0,0,0,0.4); }
#cierre .cierre-glow { display: none; }

a.btn:focus { outline: 2px solid var(--y); outline-offset: 2px; }
#cierre .cierre-info a:hover { color: #000 !important; }

/* PROGRESS LINE */
.progress-line {
  position: fixed; left: 32px; top: 0; bottom: 0;
  width: 1px; z-index: 200; pointer-events: none;
  display: none;
}
.progress-line-track {
  width: 1px; height: 100%; background: rgba(255,255,255,0.08);
  position: relative;
}
.progress-line-fill {
  width: 1px; height: 0%; background: rgba(255,255,255,0.3);
  position: absolute; top: 0; left: 0;
  transition: background 0.3s;
}

/* HEADER */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 300;
  padding: 20px 64px;
  display: flex; align-items: center; justify-content: space-between;
  background: transparent;
  transition: background 0.4s;
}
header.scrolled { background: rgba(12,12,12,0.9); backdrop-filter: blur(12px); }
.header-name {
  font-size: 13px; font-weight: 600; color: var(--t2);
  letter-spacing: 0.04em;
}
.btn {
  font-family: var(--sans); font-size: 13px; font-weight: 600;
  padding: 10px 20px; border-radius: 10px; cursor: pointer;
  display: inline-flex; align-items: center; gap: 7px;
  transition: opacity 0.2s, transform 0.15s;
  border: none;
}
.btn:hover { opacity: 0.85; transform: translateY(-1px); }
.btn-y { background: var(--y); color: #000; }
.btn-outline { background: transparent; border: 1px solid var(--bd); color: var(--t1); }
.btn svg { width: 12px; height: 12px; }

/* SIDE NAV */
.sticky-nav {
  position: fixed; right: 20px; top: 50%; z-index: 250;
  transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 8px; align-items: flex-end;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s;
}
.sticky-nav.visible { opacity: 1; pointer-events: all; }
.sticky-nav a {
  display: flex; align-items: center; gap: 8px;
  color: var(--t3); font-family: var(--mono); font-size: 10px;
  letter-spacing: 0.06em; text-transform: uppercase;
  transition: color 0.2s;
  white-space: nowrap;
}
.sticky-nav a .dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: currentColor; flex-shrink: 0;
  transition: all 0.25s;
}
.sticky-nav a .label {
  opacity: 0; transform: translateX(4px);
  transition: opacity 0.2s, transform 0.2s;
}
.sticky-nav a:hover { color: var(--t1); }
.sticky-nav a:hover .label { opacity: 1; transform: translateX(0); }
.sticky-nav a.active { color: var(--y); }
.sticky-nav a.active .dot { width: 16px; border-radius: 3px; }
@media (max-width: 1280px) { .sticky-nav { display: none; } }

/* SECTIONS general */
section { position: relative; margin: 0; }
/* Stacking z-indices */
#phones-wrapper { z-index: 1; position: relative; }
#research { z-index: 2; position: relative; }
#insight-wrapper { z-index: 3; position: relative; }
#insight { position: relative; z-index: 3; }
#heuristico { z-index: 4; position: relative; }
#benchmark { z-index: 5; }
#hmw { z-index: 6; }
#decisions { z-index: 7; }
#solution { z-index: 8; }
#pilares { z-index: 9; }
#features-ia { z-index: 10; }
#impact { z-index: 11; }
#proceso { z-index: 12; }
#cierre { z-index: 13; }
.section-tag {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  color: var(--y); letter-spacing: 0.12em; text-transform: uppercase;
  margin-bottom: 20px; display: flex; align-items: center; gap: 10px;
}
.section-tag::before { content:''; width: 20px; height: 1px; background: var(--y); }
h1 { font-size: clamp(42px, 6vw, 84px); font-weight: 900; line-height: 1.0; letter-spacing: -0.03em; }
h2 { font-size: clamp(28px, 3.5vw, 52px); font-weight: 800; line-height: 1.1; letter-spacing: -0.02em; }
h3 { font-size: clamp(18px, 2vw, 24px); font-weight: 700; line-height: 1.25; }
.lead { font-size: clamp(14px, 1.4vw, 17px); color: var(--t2); line-height: 1.7; font-weight: 300; }
.mono { font-family: var(--mono); font-size: 12px; color: var(--t3); }
.accent { color: var(--y); }
.container { max-width: 1700px; margin: 0 auto; padding: 0 80px; }
@media (max-width: 1024px) { .container { padding: 0 48px; } }
@media (max-width: 768px) { .container { padding: 0 28px; } }

/* FADE IN ANIMATION */
.fade-up { opacity: 0; transform: translateY(32px); }
.fade-up.in { opacity: 1; transform: translateY(0); transition: opacity 0.7s ease, transform 0.7s ease; }

/* ─── SECTION 1: HERO ─── */
#hero {
  height: 100vh; display: flex; flex-direction: column;
  justify-content: center; align-items: center; text-align: center;
  background: var(--dark);
  overflow: hidden;
}
#hero .hero-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 80px 80px;
}
#hero .hero-glow {
  position: absolute;
  width: 800px; height: 800px;
  background: radial-gradient(ellipse, rgba(52,122,241,0.06) 0%, transparent 65%);
  top: 50%; left: 50%; transform: translate(-50%, -50%);
}
#hero .hero-content {
  position: relative; z-index: 2;
  max-width: 1280px; padding: 0 32px;
}
#hero .hero-tag {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  color: var(--y); letter-spacing: 0.15em; text-transform: uppercase;
  margin-bottom: 28px;
  display: inline-flex; align-items: center; gap: 10px;
  opacity: 0;
}
#hero h1 { margin-bottom: 24px; opacity: 0; }
#hero .hero-sub {
  font-size: clamp(15px, 1.5vw, 18px); color: var(--t2); line-height: 1.6;
  max-width: 720px; margin: 0 auto 40px; font-weight: 300;
  opacity: 0;
}
#hero .hero-cta { opacity: 0; }
#hero .hero-scroll {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  font-family: var(--mono); font-size: 10px; color: var(--t3);
  letter-spacing: 0.1em; text-transform: uppercase;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  opacity: 0;
}
#hero .hero-scroll-line {
  width: 1px; height: 32px; background: var(--t3);
  animation: scrollline 1.5s ease-in-out infinite;
}
@keyframes scrollline { 0%,100%{transform:scaleY(1);opacity:1} 50%{transform:scaleY(0.4);opacity:0.4} }

/* ─── SECTION 2: PHONES ─── */
#phones-wrapper { height: 180vh; }
#phones {
  height: 100vh; position: sticky; top: 0;
  background: var(--dark);
  display: flex; flex-direction: column;
  justify-content: center; align-items: center;
  overflow: hidden;
}
#phones .phones-cluster {
  display: flex; align-items: flex-end; justify-content: center;
  gap: 20px; position: relative; z-index: 2;
}
.phone-mockup {
  width: 100%;
}


/* ─── SECTION 3: RESEARCH ─── */
#research-wrapper { position: relative; }
#research,
#hmw {
  background: var(--light);
  background-image: radial-gradient(circle, #C8C8C8 1px, transparent 1px);
  background-size: 24px 24px;
  color: #111;
  overflow: hidden;
}
#research {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
#research .research-header {
  padding: 100px 80px 60px;
  max-width: 900px;
}
@media (max-width: 768px) { #research .research-header { padding: 80px 28px 40px; } }
#research .section-tag { color: #666; }
#research .section-tag::before { background: #666; }
#research h2 { color: #111; max-width: 700px; }
#research .stat-sticky {
  position: absolute; top: 80px; right: 80px;
  background: white; border-radius: 12px;
  padding: 24px 28px; box-shadow: 0 8px 32px rgba(0,0,0,0.1);
  transform: rotate(-2deg);
  border-left: 4px solid var(--y);
}
#research .stat-number {
  font-size: 56px; font-weight: 900; color: #111;
  line-height: 1; margin-bottom: 4px; font-family: var(--sans);
}
.stat-number {
  color: #E01515
}
#research .stat-label {
  font-size: 12px; color: #666; line-height: 1.4; max-width: 140px;
  font-family: var(--mono);
}
/* HORIZONTAL TESTIMONIALS */
.testimonials-outer {
  overflow-x: auto; overflow-y: visible;
  padding: 0 80px;
  flex: 1;
  display: flex;
  align-items: center;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.testimonials-outer::-webkit-scrollbar { display: none; }
@media (max-width: 768px) {
  .testimonials-outer { padding: 0 28px 60px; flex: none; display: block; cursor: grab; }
  .testimonials-outer:active { cursor: grabbing; }
}
.testimonials-track {
  display: flex; gap: 20px; width: max-content;
}
.testimonial-card:last-child { margin-right: 80px; }
.testimonial-card {
  background: white; border-radius: 16px;
  padding: 32px; width: 390px; flex-shrink: 0; max-width: 90vw;
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
  display: flex; flex-direction: column; gap: 20px;
}
.testimonial-card .quote-mark {
  font-size: 48px; line-height: 1; color: var(--y);
  font-family: Georgia, serif; font-weight: 900;
  margin-bottom: -12px;
}
.testimonial-card .quote-text {
  font-size: 15px; color: #333; line-height: 1.6; font-style: italic;
  flex: 1;
}
.testimonial-card .person {
  display: flex; align-items: center; gap: 12px;
  padding-top: 16px; border-top: 1px solid #F0F0F0;
}
.testimonial-card .avatar {
  width: 44px; height: 44px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 16px; color: white; flex-shrink: 0;
}
.testimonial-card .person-name { font-size: 14px; font-weight: 700; color: #111; }
.testimonial-card .person-age { font-size: 12px; color: #888; font-family: var(--mono); }
.pain-tag {
  font-family: var(--mono); font-size: 10px; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 4px 10px; border-radius: 4px;
  background: #F5F5F5; color: #666;
  width: fit-content;
}

/* ─── SECTION 4: INSIGHT ─── */
#insight-wrapper { position: relative; z-index: 10; }
#insight {
  background: var(--y); color: #000;
  min-height: 100vh;
  display: flex; flex-direction: column; justify-content: center;
  padding: 100px 80px;
}
@media (max-width: 768px) { #insight { padding: 80px 28px; } }
#insight .section-tag { color: rgba(0,0,0,0.4); }
#insight .section-tag::before { background: rgba(0,0,0,0.4); }
#insight h2 {
  font-size: clamp(28px, 4vw, 64px);
  max-width: 980px; line-height: 1.1;
}

/* ─── SECTION 5: HEURÍSTICO ─── */
#heuristico {
  background: var(--dark); padding: 120px 0;
}
.heuristic-layout {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 0 80px;
  align-items: start;
  margin-top: 48px;
}
.heuristic-img-col {
  position: sticky;
  top: 80px;
}
.heuristic-img {
  max-width: 100%;
  max-height: 90vh;
  border-radius: 16px;
  box-shadow: 0 24px 64px rgba(0,0,0,0.5);
}
.heuristic-cards-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
  border-left: 2px dashed rgba(255,255,255,0.12);
  padding-left: 48px;
  position: relative;
}
.finding-card {
  background: var(--dark2);
  padding: 28px 32px;
  display: flex; flex-direction: column; gap: 10px;
  border-radius: 12px;
  border: 1px solid var(--bd);
  position: relative;
}
.finding-card::before {
  content: '';
  position: absolute;
  left: -50px;
  top: 28px;
  width: 48px;
  border-top: 2px dashed rgba(255,255,255,0.12);
}
.finding-tag {
  font-family: var(--mono); font-size: 10px; font-weight: 500;
  color: var(--red); background: rgba(224,21,21,0.08);
  padding: 3px 8px; border-radius: 4px; width: fit-content;
  letter-spacing: 0.06em; text-transform: uppercase;
}
.finding-title { font-size: 15px; font-weight: 700; }
.finding-desc { font-size: 13px; color: var(--t2); line-height: 1.6; }
.flow-chips { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; margin-top: 8px; }
.flow-chip {
  background: var(--dark3); border: 1px solid var(--bd);
  border-radius: 6px; padding: 7px 12px; font-size: 12px; font-weight: 500;
}
.flow-chip.bad { background: rgba(224,21,21,0.08); border-color: rgba(224,21,21,0.2); color: #f88; }
.flow-arr { color: var(--t3); }
@media (max-width: 900px) {
  .heuristic-layout { grid-template-columns: 1fr; }
  .heuristic-img-col { position: static; margin-bottom: 32px; }
  .heuristic-cards-col { border-left: none; padding-left: 0; }
  .finding-card::before { display: none; }
}

/* ─── SECTION 6: BENCHMARK ─── */
#benchmark { background: var(--dark4); padding: 120px 0; }
#benchmark .bench-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px; margin-top: 48px;
}
.bench-card {
  background: var(--dark3); border: 1px solid var(--bd);
  border-radius: 14px; overflow: hidden;
  opacity: 0; transform: translateY(24px);
}
.bench-card.in { opacity: 1; transform: translateY(0); transition: opacity 0.5s ease, transform 0.5s ease; }
.bench-img { aspect-ratio: 4/3; overflow: hidden; position: relative; padding: 16px 16px 0;background: rgba(255, 255, 255, 0.1);}
.bench-img img { width: 100%; height: 100%; object-fit: contain; object-position: bottom; }
.bench-body { padding: 20px; }
.bench-name { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.bench-badge {
  font-family: var(--mono); font-size: 10px; color: var(--t3);
  text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 12px;
}
.bench-insight { font-size: 13px; color: var(--t2); line-height: 1.5; }
.bench-conclusion {
  background: var(--dark3); border: 1px solid var(--bd);
  border-radius: 12px; padding: 24px 32px;
  display: flex; align-items: center; gap: 16px; margin-top: 24px;
}
.bench-conclusion strong { color: var(--y); }
@media (max-width: 900px) { #benchmark .bench-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { #benchmark .bench-grid { grid-template-columns: 1fr; } }

/* ─── SECTION 7: HMW ─── */
#hmw { padding: 120px 0; min-height:100vh}
#hmw  .container {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
#hmw .hmw-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-top: 48px; height: fill; height: -webkit-fill-available;}
.hmw-card {
  border-radius: 16px; padding: 48px;
  display: flex; flex-direction: column; gap: 20px;
}
.hmw-card.dark-card { background: #000; border: 1px solid var(--bd); }
.hmw-lbl {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  color: var(--y); letter-spacing: 0.1em; text-transform: uppercase;
}
.hmw-q { font-size: clamp(17px, 1.8vw, 24px); font-weight: 700; line-height: 1.35; }
.hmw-note {
  font-size: 16px; color: var(--t2); font-style: italic; line-height: 1.6;
  border-top: 1px solid var(--bd); padding-top: 20px; margin-top: auto;
}
@media (max-width: 768px) { #hmw .hmw-grid { grid-template-columns: 1fr; } .hmw-card { padding: 32px; } }

/* ─── SECTION 8: DECISIONS ─── */
#decisions { background: var(--dark2); padding: 120px 0; overflow: visible; }
#decisions .decisions-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 20px; margin-top: 48px;
}
.decisions-grid {
  display: grid; grid-template-columns: repeat(2,1fr);
  gap: 2px; background: var(--bd);
  border-radius: 16px; overflow: hidden; border: 1px solid var(--bd);
}
.decision-card {
  background: var(--dark3);
  padding: 40px 40px 36px;
  display: flex; flex-direction: column; gap: 0;
  position: absolute; top: 0; left: 0; right: 0;
  overflow: hidden;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.07);
  box-shadow: 0 24px 64px rgba(0,0,0,0.5);
}
.decision-card:nth-child(1) { z-index: 1; }
.decision-card:nth-child(2) { z-index: 2; }
.decision-card:nth-child(3) { z-index: 3; }
.decision-card:nth-child(4) { z-index: 4; }
@media (max-width: 900px) {
  .decision-card { position: static; }
}
.decision-big-num {
  font-size: 120px; font-weight: 900; line-height: 1;
  color: rgba(255,255,255,0.03);
  position: absolute; top: -10px; right: 24px;
  font-family: var(--sans); pointer-events: none;
}
.decision-icon { font-size: 32px; margin-bottom: 20px; }
.decision-num {
  font-family: var(--mono); font-size: 10px; font-weight: 500;
  color: var(--y); letter-spacing: 0.12em; margin-bottom: 12px;
}
.decision-title { font-size: 24px; font-weight: 800; margin-bottom: 14px; line-height: 1.2; }
.decision-desc { font-size: 14px; color: var(--t2); line-height: 1.65; margin-bottom: 20px; flex: 1; }
.decision-principle {
  font-family: var(--mono); font-size: 11px; color: var(--blue);
  background: rgba(52,122,241,0.08); border: 1px solid rgba(52,122,241,0.15);
  padding: 8px 12px; border-radius: 6px; width: fit-content;
  margin-top: auto;
}
@media (max-width: 768px) { #decisions .decisions-grid { grid-template-columns: 1fr; } }

/* ─── SECTION 9: SOLUTION SCROLLYTELLING ─── */
#solution { background: var(--dark); padding: 0 0 60px}
#solution-pin {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
  height: 100vh; padding: 0 80px;
  max-width: 1360px; margin: 0 auto;
}
.bg-yellow {
  background: var(--y);
  color: var(--dark);
}
.bg-yellow .section-tag {
  color: var(--dark);
}
.bg-yellow .section-tag::before {
  color: var(--dark);
  background: var(--dark);
}
.la-solucion-section {
    padding: 150px 80px;
}
.la-solucion-section p {
  color: rgba(0,0,0,0.7);
  max-width: 980px;
}
.la-solucion-section .container {
  max-width: 1200px;
}
@media (max-width: 1024px) { #solution-pin { grid-template-columns: 1fr; gap: 40px; padding: 40px; height: auto; } }
@media (max-width: 768px) { #solution-pin { padding: 40px 28px; } }
.sol-text-stages { position: relative; }
.sol-stage {
  opacity: 0; position: absolute; top: 0; left: 0; width: 100%;
  transition: opacity 0.5s ease;
  pointer-events: none;
}
.sol-stage.active { opacity: 1; pointer-events: all; position: relative; }
.sol-stage-tag {
  font-family: var(--mono); font-size: 11px; color: var(--y);
  text-transform: uppercase; letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.sol-stage h3 { font-size: clamp(22px, 2.5vw, 36px); font-weight: 800; margin-bottom: 16px; }
.sol-stage p { font-size: 15px; color: var(--t2); line-height: 1.7; margin-bottom: 24px; }
.sol-progress {
  display: flex; gap: 8px; margin-top: 32px;
}
.sol-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--bd); cursor: pointer; transition: all 0.2s;
}
.sol-dot.active { background: var(--y); width: 24px; border-radius: 4px; }
.sol-phone-wrap {
  display: flex; justify-content: center;
}
.sol-phone {
  width: 280px; border-radius: 28px; overflow: hidden;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 32px 64px rgba(0,0,0,0.5), 0 0 48px rgba(52,122,241,0.12);
  position: relative;
}
.sol-phone-img {
  width: 100%; display: block;
  position: absolute; top: 0; left: 0;
  transition: opacity 0.5s ease;
  opacity: 0;
}
.sol-phone-img.active { opacity: 1; position: relative; }
@media (max-width: 1024px) { .sol-phone { width: 200px; } }

/* ─── SECTION 10: 3 PILARES + UI DECISIONS ─── */
#pilares { background: var(--dark); padding: 120px 0; }
#pilares h2 { margin-bottom: 0; }
.pilar-block {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
  padding: 80px 0; border-top: 1px solid var(--bd);
}
.pilar-block:first-child { border-top: none!important; padding-top: 64px; }
.pilar-block.reverse { direction: rtl; }
.pilar-block.reverse > * { direction: ltr; }
.pilar-num-big {
  font-size: 80px; font-weight: 900;
  color: rgba(255,255,255,0.04); line-height: 1;
  margin-bottom: -16px; font-family: var(--sans);
}
.pilar-tag { font-family: var(--mono); font-size: 10px; color: var(--y); letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 12px; }
.pilar-title { font-size: clamp(22px, 2.5vw, 36px); font-weight: 800; margin-bottom: 16px; }
.pilar-desc { font-size: 14px; color: var(--t2); line-height: 1.7; margin-bottom: 20px; }
.pilar-ux-tag {
  font-family: var(--mono); font-size: 11px; color: var(--blue);
  background: rgba(52,122,241,0.1); border: 1px solid rgba(52,122,241,0.2);
  padding: 6px 12px; border-radius: 6px; display: inline-block; margin-bottom: 12px;
}
.pilar-principle {
  background: var(--dark2); border: 1px solid var(--bd);
  border-radius: 8px; padding: 14px 16px;
  font-size: 13px; color: var(--t2); line-height: 1.5;
}
.pilar-phone { width: 100%; margin: 0 auto; }
.pilar-phone .phone-mockup { width: 100%; }
.pilar-phone img { width: 100%; }

#sol-pin-wrapper {
  background: var(--dark4);
}
@media (max-width: 900px) { .pilar-block, .pilar-block.reverse { grid-template-columns: 1fr; direction: ltr; gap: 40px; } .pilar-phone { width: 180px; } }

/* ─── SECTION 11: FEATURES IA ─── */
#features-ia { background: var(--dark4); padding: 120px 0; }
.feature-ia-block {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 80px; align-items: center;
  padding: 80px 0; border-top: 1px solid rgba(255,255,255,0.4);
}
.feature-ia-block.reverse { direction: rtl; }
.feature-ia-block.reverse > * { direction: ltr; }
.ia-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(255,230,0,0.1); color: var(--y);
  font-family: var(--mono); font-size: 10px; font-weight: 500;
  letter-spacing: 0.08em; text-transform: uppercase;
  padding: 5px 12px; border-radius: 6px;
  border: 1px solid rgba(255,230,0,0.2); margin-bottom: 16px;
}
.feature-ia-title { font-size: clamp(20px, 2.2vw, 30px); font-weight: 800; margin-bottom: 14px; line-height: 1.2; }
.feature-ia-desc { font-size: 14px; color: var(--t2); line-height: 1.7; margin-bottom: 20px; }
.ref-card {
  background: #2d364b;
  border: 1px solid #2e3b71;
  border-radius: 8px; padding: 14px 16px;
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 13px; color: var(--t2); line-height: 1.5;
  margin-bottom: 10px;
}
.ref-tag {
  font-family: var(--mono); font-size: 10px; font-weight: 500;
  text-transform: uppercase; color: var(--blue);
  background: rgba(52,122,241,0.1); padding: 3px 8px;
  border-radius: 4px; white-space: nowrap; flex-shrink: 0; margin-top: 2px;
}
.feature-ia-phone { width: 100%; margin: 0 auto; }
.feature-ia-phone .phone-mockup { width: 100%; }
.feature-ia-phone img { width: 100%; }
@media (max-width: 900px) { .feature-ia-block, .feature-ia-block.reverse { grid-template-columns: 1fr; direction: ltr; gap: 40px; } .feature-ia-phone { display: none; } }

/* ─── SECTION 12: BEFORE/AFTER (LIGHT MIRO + STACKING) ─── */
#impact {
  background: #F0F1F6;
  background-image: radial-gradient(circle, #C8CBD8 1px, transparent 1px);
  background-size: 24px 24px;
  padding: 80px 0 0; color: #111;
  min-height: 100vh;
}
#impact h2 { color: #111; }
#impact .section-tag { color: #555; }
#impact .section-tag::before { background: #555; }
.journey-stack {
  position: relative;
  min-height: 340px;
}
.journey-sticky-wrap {
  position: absolute;
  top: 0; left: 0; right: 0;
}
.journey-sticky-wrap:first-child { z-index: 1; }
.journey-row {
  background: #fff; border: none;
  border-radius: 16px; overflow: hidden;
  box-shadow: 0 8px 40px rgba(0,0,0,0.12);
}
.journey-head {
  padding: 20px 28px; border-bottom: 1px solid #EAEAEF;
  display: flex; gap: 12px; align-items: center;
}
.journey-avatar {
  width: 40px; height: 40px; border-radius: 10px;
  background: #F5F5F8; display: flex; align-items: center;
  justify-content: center; font-size: 20px; flex-shrink: 0;
}
.journey-name { font-weight: 700; font-size: 15px; color: #111; }
.journey-quote { font-size: 12px; color: #777; font-style: italic; margin-top: 2px; }
.journey-cols { display: grid; grid-template-columns: 1fr 1fr; }
.journey-col { padding: 24px 28px; }
.journey-col:first-child { border-right: 1px solid #EAEAEF; }
.journey-col-lbl {
  font-family: var(--mono); font-size: 10px; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: 16px; display: flex; align-items: center; gap: 6px;
}
.journey-col-lbl.before { color: #AAA; }
.journey-col-lbl.after { color: var(--green); }
.flow-steps { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.flow-step-item {
  font-size: 12px; padding: 6px 12px;
  border-radius: 6px; background: #F5F5F8; border: 1px solid #E0E0EA; color: #333;
}
.flow-arr-sm { color: #BBB; font-size: 14px; }
.flow-step-item.ext { background: rgba(224,21,21,0.06); border-color: rgba(224,21,21,0.2); color: #C04040; }
.flow-step-item.app { background: rgba(45,191,103,0.06); border-color: rgba(45,191,103,0.3); color: #1A8040; }
.journey-stats { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid #EAEAEF; }
.journey-stat { padding: 14px 28px; text-align: center; }
.journey-stat:first-child { border-right: 1px solid #EAEAEF; }
.journey-stat-n { font-size: 16px; font-weight: 800; margin-bottom: 2px; color: #111; }
.journey-stat-n.b { color: #BBB; }
.journey-stat-n.a { color: var(--green); }
.journey-stat-l { font-family: var(--mono); font-size: 10px; color: #AAA; }
@media (max-width: 768px) {
  .journey-cols { grid-template-columns: 1fr; }
  .journey-col:first-child { border-right: none; border-bottom: 1px solid #EAEAEF; }
  .journey-sticky-wrap { position: static; }
  .journey-row { margin-bottom: 20px; }
  .journey-stack { min-height: auto; }
}

/* ─── SECTION 13: DESCARTADAS + NEXT STEPS ─── */
#proceso {
  background: #F0F1F6;
  background-image: radial-gradient(circle, #C8CBD8 1px, transparent 1px);
  background-size: 24px 24px;
  padding: 120px 0; color: #111;
}
#proceso h2 { color: #111; }
#proceso .section-tag { color: #555; }
#proceso .section-tag::before { background: #555; }
#proceso h3 { color: #777 !important; }
#proceso .two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin-top: 48px; }
.disc-list { display: flex; flex-direction: column; gap: 12px; }
.disc-item {
  background: #fff; border: 1px solid #E0E0EA;
  border-radius: 10px; padding: 20px 24px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.disc-title { font-size: 14px; font-weight: 700; color: #111; text-decoration: line-through; text-decoration-color: #CCC; margin-bottom: 6px; }
.disc-why { font-size: 13px; color: #666; line-height: 1.5; margin-bottom: 8px; }
.disc-alt { font-family: var(--mono); font-size: 11px; color: var(--green); }
.ns-list { display: flex; flex-direction: column; gap: 2px; background: #DDDDE8; border-radius: 14px; overflow: hidden; border: 1px solid #DDDDE8; }
.ns-item { background: #fff; padding: 24px 28px; display: grid; grid-template-columns: 40px 1fr; gap: 16px; }
.ns-num { font-size: 24px; font-weight: 900; color: #DDD; line-height: 1; }
.ns-title { font-size: 15px; font-weight: 700; color: #111; margin-bottom: 6px; }
.ns-desc { font-size: 13px; color: #666; line-height: 1.6; }
@media (max-width: 900px) { #proceso .two-col { grid-template-columns: 1fr; } }

/* ─── SECTION 14: CIERRE ─── */
#cierre {
  min-height: 100vh; background: var(--y);
  display: flex; flex-direction: column; justify-content: center;
  padding: 120px 80px; position: relative; overflow: hidden;
  color: #000;
}
@media (max-width: 768px) { #cierre { padding: 80px 28px; } }
#cierre .cierre-glow {
  position: absolute; top: 0; right: 0;
  width: 600px; height: 600px;
  background: radial-gradient(ellipse, rgba(255,230,0,0.08) 0%, transparent 65%);
  pointer-events: none;
}
#cierre .cierre-title {
  font-size: clamp(36px, 6vw, 88px); font-weight: 900;
  line-height: 1.0; letter-spacing: -0.03em;
  max-width: 980px; margin-bottom: 48px;
}
#cierre .cierre-title .yellow { color: var(--y); }
#cierre .cierre-info { display: flex; flex-direction: column; gap: 8px; margin-bottom: 40px; }
#cierre .cierre-info .name { font-size: 20px; font-weight: 700; }
#cierre .cierre-info a { font-size: 15px; color: var(--t2); transition: color 0.2s; }
#cierre .cierre-info a:hover { color: var(--y); }
#cierre .cierre-info .date { font-family: var(--mono); font-size: 12px; color: var(--t3); margin-top: 4px; }