.svc-hero {
  position: relative;
  min-height: 100vh;
  padding: clamp(8rem, 12vh, 12rem) 0 clamp(4rem, 6vh, 6rem);
  background:
    radial-gradient(circle at 15% 20%, rgba(20,104,163,0.10) 0%, transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(25,132,198,0.08) 0%, transparent 45%),
    var(--paper);
  overflow: hidden;
  isolation: isolate;
  display: flex;
  align-items: center;
}
.svc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(10,10,10,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(10,10,10,0.04) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse 60% 70% at 50% 50%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 60% 70% at 50% 50%, #000 30%, transparent 75%);
  z-index: -1;
  pointer-events: none;
}
.svc-hero__inner {
  position: relative;
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 3rem);
  display: grid;
  gap: clamp(var(--sp-4), 3vw, var(--sp-5));
}
.svc-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xxs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}
.svc-hero__eyebrow::before {
  content: "";
  display: inline-block;
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(20,104,163,0.15);
}
.svc-hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 5.6rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 0.98;
  color: var(--ink-100);
  max-width: 14ch;
  margin: 0;
}
.svc-hero__title em {
  font-style: normal;
  background: linear-gradient(120deg, var(--accent) 0%, #2bb1ff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.svc-hero__sub {
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  line-height: 1.55;
  color: var(--text-muted);
  max-width: 60ch;
  margin: 0;
}
.svc-hero__sub strong { color: var(--ink-100); font-weight: 600; }
.svc-hero__ctas { display: flex; flex-wrap: wrap; gap: var(--sp-3); }
.svc-hero__meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
  padding-top: var(--sp-5);
  border-top: 1px solid rgba(10,10,10,0.08);
  margin-top: var(--sp-3);
}
.svc-hero__meta-item { display: grid; gap: 0.25rem; }
.svc-hero__meta-num {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--ink-100);
  line-height: 1;
}
.svc-hero__meta-num small {
  font-family: var(--font-mono);
  font-size: 0.45em;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-left: 0.15em;
}
.svc-hero__meta-label {
  font-size: var(--fs-xs);
  color: var(--text-soft);
  line-height: 1.3;
}
@media (max-width: 800px) {
  .svc-hero__meta { grid-template-columns: repeat(2, 1fr); }
}

.scroll-hint {
  position: absolute;
  bottom: clamp(1.5rem, 3vw, 2.5rem);
  right: clamp(1.5rem, 4vw, 3rem);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xxs);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  z-index: 5;
  pointer-events: none;
}
.scroll-hint__mouse {
  width: 28px;
  height: 44px;
  border: 2px solid var(--ink-100);
  border-radius: 14px;
  position: relative;
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(4px);
}
.scroll-hint__wheel {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 9px;
  background: var(--accent);
  border-radius: 2px;
  animation: scroll-wheel-anim 1.6s ease-in-out infinite;
}
@keyframes scroll-wheel-anim {
  0%   { opacity: 1; transform: translate(-50%, 0); }
  55%  { opacity: 0; transform: translate(-50%, 16px); }
  56%  { opacity: 0; transform: translate(-50%, 0); }
  100% { opacity: 1; transform: translate(-50%, 0); }
}
.scroll-hint__label { font-size: 0.7rem; opacity: 0.75; }
@media (max-width: 600px) {
  .scroll-hint { display: none; }
}


.svc-stack-section {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: stretch;
  gap: clamp(2rem, 4vw, 3.5rem);
  min-height: 280vh;
  padding-bottom: 0;
  background: #050d1a;
  position: relative;
  z-index: 1;
}
.svc-stack-section[data-cards="4"] { min-height: 240vh; }
.svc-stack-section[data-cards="3"] { min-height: 200vh; }
.svc-stack-section[data-cards="5"] { min-height: 280vh; }
.svc-stack-section[data-cards="6"] { min-height: 320vh; }

.svc-stack-head {
  position: relative;
  z-index: 30;
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: clamp(var(--sp-4), 3vw, var(--sp-5));
  width: min(900px, 92%);
  margin: clamp(2rem, 5vw, 4rem) auto 0;
  padding: var(--sp-4) 0;
  align-items: center;
}
.svc-stack-head__num {
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 2.4vw, 1.8rem);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: rgba(186, 230, 253, 0.7);
  padding-right: var(--sp-4);
  border-right: 1px solid rgba(186, 230, 253, 0.25);
}
.svc-stack-head__title {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0;
  color: var(--paper);
}
.svc-stack-head__title em {
  font-style: normal;
  color: #BAE6FD;
}
.svc-stack-head__lead {
  font-size: var(--fs-sm);
  color: rgba(246,246,244,0.6);
  margin: var(--sp-1) 0 0;
  max-width: 64ch;
  line-height: 1.5;
}

.svc-stack-pin {
  position: sticky;
  top: 0;
  height: 100vh;
  width: 100%;
  overflow: hidden;
  background: #050d1a;
  transition: background-color 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.svc-stage {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  perspective: 1800px;
  perspective-origin: 50% 50%;
  padding: 1.5rem 1.5rem 1.5rem;
}

.svc-3d-card {
  position: absolute;
  top: 4rem;
  left: 50%;
  width: min(1100px, 88vw);
  height: min(460px, 46vh);
  transform: translateX(-50%) translate3d(0, 50%, -800px) rotateX(20deg) scale(0.85);
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  background: #1a1a1a;
  border-radius: 28px;
  overflow: hidden;
  box-shadow:
    0 50px 100px -20px rgba(0,0,0,0.5),
    0 30px 60px -30px rgba(0,0,0,0.6),
    0 0 0 1px rgba(255,255,255,0.08);
  opacity: 0;
  transition:
    transform 0.9s cubic-bezier(0.16, 1, 0.3, 1),
    scale 0.4s var(--ease-out),
    opacity 0.7s ease,
    box-shadow 0.6s ease;
  pointer-events: none;
  will-change: transform, opacity;
}
.svc-3d-card.is-active {
  opacity: 1;
  transform: translateX(-50%) translate3d(0, 0, 0) rotateX(0) scale(1);
  z-index: 5;
  pointer-events: auto;
}
.svc-3d-card.is-past {
  opacity: 0;
  transform: translateX(-50%) translate3d(0, -80%, -400px) rotateX(-15deg) scale(0.9);
  z-index: 2;
  pointer-events: none;
}
.svc-3d-card.is-coming {
  opacity: 0.4;
  transform: translateX(-50%) translate3d(0, 30%, -300px) rotateX(12deg) scale(0.92);
  z-index: 3;
  pointer-events: none;
}

.svc-3d-card__image {
  position: relative;
  overflow: hidden;
  background: #0a1014;
}
.svc-3d-card__image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(0,0,0,0.3) 100%);
  pointer-events: none;
}
.svc-3d-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 1.4s var(--ease-out);
}
.svc-3d-card.is-active:hover .svc-3d-card__image img {
  transform: scale(1.04);
}

.svc-3d-card__body {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(var(--sp-4), 2.5vw, var(--sp-6));
  gap: clamp(var(--sp-4), 2vw, var(--sp-5));
}
.svc-3d-card__head {
  display: flex;
  align-items: center;
  gap: clamp(var(--sp-3), 1.2vw, var(--sp-4));
  flex-wrap: wrap;
}
.svc-3d-card__num {
  font-family: var(--font-mono);
  font-size: var(--fs-xxs);
  letter-spacing: 0.18em;
  color: rgba(246,246,244,0.55);
  padding-right: clamp(var(--sp-2), 0.8vw, var(--sp-3));
  border-right: 1px solid rgba(246,246,244,0.2);
}
.svc-3d-card__tag {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 1rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xxs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-pill);
}
.svc-3d-card__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.4vw, 2.8rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.05;
  color: var(--paper);
  margin: var(--sp-2) 0 0;
}
.svc-3d-card__title a {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.35s var(--ease-out);
}
.svc-3d-card__title a::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
}
.svc-3d-card.is-active { cursor: pointer; }
.svc-3d-card.is-active:hover { scale: 1.008; }
.svc-3d-card.is-active:hover .svc-3d-card__title a { opacity: 0.8; }
.svc-3d-card.is-active:hover .svc-3d-card__chips span {
  background: rgba(255,255,255,0.14);
  border-color: rgba(255,255,255,0.32);
}
.svc-3d-card__desc {
  font-size: var(--fs-base);
  color: rgba(246,246,244,0.78);
  line-height: 1.6;
  max-width: 48ch;
  margin: 0;
}
.svc-3d-card__chips {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(var(--sp-2), 0.8vw, var(--sp-3));
  margin-top: var(--sp-1);
}
.svc-3d-card__chips span {
  font-family: var(--font-mono);
  font-size: var(--fs-xxs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(246,246,244,0.85);
  padding: 0.45rem 0.95rem;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius-pill);
  transition: all 0.3s ease;
}
.svc-3d-card__chips span:hover {
  background: rgba(255,255,255,0.14);
  border-color: rgba(255,255,255,0.32);
}
.svc-3d-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: var(--fs-xxs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper);
  padding: 0.95rem 1.5rem;
  background: transparent;
  border: 1px solid var(--paper);
  border-radius: var(--radius-pill);
  text-decoration: none;
  align-self: start;
  transition: all 0.4s var(--ease-out);
  position: relative;
  z-index: 2;
}
.svc-3d-card__cta svg { width: 14px; height: 14px; transition: transform 0.4s var(--ease-out); }
.svc-3d-card__cta:hover {
  background: var(--paper);
  color: var(--ink-100);
  gap: 1rem;
}
.svc-3d-card__cta:hover svg { transform: translateX(4px); }

.svc-progress {
  position: absolute;
  bottom: clamp(var(--sp-3), 3vw, var(--sp-5));
  right: clamp(var(--sp-3), 3vw, var(--sp-5));
  display: flex;
  gap: 0.4rem;
  align-items: center;
  z-index: 10;
}
.svc-progress__dot {
  width: 28px;
  height: 3px;
  background: rgba(255,255,255,0.2);
  border-radius: 2px;
  transition: all 0.4s var(--ease-out);
}
.svc-progress__dot.is-active {
  background: var(--paper);
  width: 48px;
}

.svc-side-progress {
  position: absolute;
  top: 50%;
  right: clamp(1rem, 2.5vw, 2rem);
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  z-index: 10;
}
.svc-side-progress__line {
  width: 32px;
  height: 2px;
  background: rgba(255,255,255,0.18);
  transition: all 0.4s var(--ease-out);
}
.svc-side-progress__line.is-active {
  background: var(--paper);
  width: 48px;
  height: 3px;
  box-shadow: 0 0 12px rgba(186, 230, 253, 0.4);
}
@media (max-width: 1100px) {
  .svc-side-progress { display: none; }
}

.svc-section-label {
  position: absolute;
  top: 50%;
  left: clamp(1rem, 3vw, 2rem);
  transform: translateY(-50%) rotate(-90deg);
  transform-origin: 0 50%;
  font-family: var(--font-mono);
  font-size: var(--fs-xxs);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  white-space: nowrap;
  z-index: 10;
}

.svc-counter {
  position: absolute;
  top: clamp(5rem, 8vh, 7rem);
  right: clamp(1.5rem, 4vw, 3rem);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.5);
  z-index: 10;
}
.svc-counter strong { color: var(--paper); font-weight: 500; }

@media (max-width: 900px) {
  .svc-3d-card {
    grid-template-columns: 1fr;
    grid-template-rows: 220px 1fr;
    width: min(640px, 92vw);
    height: min(560px, 80vh);
  }
  .svc-3d-card__image { min-height: 220px; }
  .svc-3d-card__body { padding: var(--sp-4); }
  .svc-3d-card__title { font-size: 1.5rem; }
  .svc-3d-card__desc { font-size: var(--fs-sm); }
  .svc-section-label { display: none; }
  .svc-stack-head { width: 92%; }
}

@media (prefers-reduced-motion: reduce) {
  .svc-3d-card,
  .svc-3d-card__image img,
  .svc-stack-pin { transition: none; animation: none; }
  .svc-3d-card.is-coming { opacity: 0; }
}

.svc-3d-card--azul-1   { background: linear-gradient(135deg, #0a2540 0%, #0e3a6a 50%, #1468a3 100%); }
.svc-3d-card--azul-2   { background: linear-gradient(135deg, #0a3050 0%, #0e4a7a 50%, #1a7ab8 100%); }
.svc-3d-card--azul-3   { background: linear-gradient(135deg, #0a2a5a 0%, #1a4a8e 50%, #2a6ac8 100%); }
.svc-3d-card--azul-4   { background: linear-gradient(135deg, #0a3a5a 0%, #1a5a8e 50%, #3a8acc 100%); }
.svc-3d-card--azul-5   { background: linear-gradient(135deg, #0a4068 0%, #1a6aa0 50%, #3a9ad8 100%); }
.svc-3d-card--cyan-1   { background: linear-gradient(135deg, #0a3550 0%, #0e5a6e 50%, #1a8aa6 100%); }
.svc-3d-card--cyan-2   { background: linear-gradient(135deg, #0a3a5e 0%, #0e6e8e 50%, #2bb1ff 100%); }
.svc-3d-card--cyan-3   { background: linear-gradient(135deg, #0a4068 0%, #1a7ab8 50%, #5dc8e8 100%); }
.svc-3d-card--cyan-4   { background: linear-gradient(135deg, #1a2a4a 0%, #2a5a8e 50%, #5dc8e8 100%); }
.svc-3d-card--cyan-5   { background: linear-gradient(135deg, #0a2a5a 0%, #1a4a8e 50%, #5dc8e8 100%); }
.svc-3d-card--indigo-1 { background: linear-gradient(135deg, #0a1a3a 0%, #1a2a6e 50%, #3a4aae 100%); }
.svc-3d-card--indigo-2 { background: linear-gradient(135deg, #0a2540 0%, #1a3a8e 50%, #3a5abe 100%); }
.svc-3d-card--indigo-3 { background: linear-gradient(135deg, #0a2540 0%, #1a3a6e 50%, #5a7ad8 100%); }
.svc-3d-card--indigo-4 { background: linear-gradient(135deg, #1a2540 0%, #2a4a7e 50%, #5a8ad8 100%); }
.svc-3d-card--azul     { background: linear-gradient(135deg, #0a2540 0%, #0e3a6a 50%, #1468a3 100%); }
.svc-3d-card--turquesa { background: linear-gradient(135deg, #0a3a5e 0%, #0e6e8e 50%, #2bb1ff 100%); }
.svc-3d-card--verde    { background: linear-gradient(135deg, #0a4068 0%, #1a7ab8 50%, #3a9ad8 100%); }
.svc-3d-card--morado   { background: linear-gradient(135deg, #0a2540 0%, #1a3a8e 50%, #3a5abe 100%); }
.svc-3d-card--naranja  { background: linear-gradient(135deg, #0a3550 0%, #0e5a6e 50%, #1a8aa6 100%); }
.svc-3d-card--rosa     { background: linear-gradient(135deg, #1a2a4a 0%, #2a4a7e 50%, #5a8ad8 100%); }
.svc-3d-card--amarillo { background: linear-gradient(135deg, #0a4068 0%, #1a7ab8 50%, #5dc8e8 100%); }
.svc-3d-card--rojo     { background: linear-gradient(135deg, #0a2a5a 0%, #1a4a8e 50%, #5dc8e8 100%); }

.svc-stack-pin[data-bg="azul-1"]    { background: #050d1a; }
.svc-stack-pin[data-bg="azul-2"]    { background: #061525; }
.svc-stack-pin[data-bg="azul-3"]    { background: #061828; }
.svc-stack-pin[data-bg="azul-4"]    { background: #050f20; }
.svc-stack-pin[data-bg="azul-5"]    { background: #061a30; }
.svc-stack-pin[data-bg="cyan-1"]    { background: #050d20; }
.svc-stack-pin[data-bg="cyan-2"]    { background: #050f25; }
.svc-stack-pin[data-bg="cyan-3"]    { background: #061222; }
.svc-stack-pin[data-bg="cyan-4"]    { background: #050d20; }
.svc-stack-pin[data-bg="cyan-5"]    { background: #061525; }
.svc-stack-pin[data-bg="indigo-1"]   { background: #050d1c; }
.svc-stack-pin[data-bg="indigo-2"]   { background: #06101e; }
.svc-stack-pin[data-bg="indigo-3"]   { background: #050d1f; }
.svc-stack-pin[data-bg="indigo-4"]   { background: #050f25; }

.svc-3d-card {
  height: min(560px, 62vh);
}
.svc-stack-pin {
}