/* =============================================
   ITS ANYTHING - WEBSITE STYLES
   NYC Color Palette | Apple-inspired animations
   ============================================= */

:root {
  --black:     #0a0a0a;
  --off-black: #111111;
  --dark:      #1a1a1a;
  --gold:      #C9A84C;
  --gold-light:#E8C96A;
  --gold-pale: #f5e9c8;
  --cream:     #F8F4EE;
  --steel:     #4A5568;
  --steel-light:#8A9BAD;
  --white:     #FFFFFF;
  --red-ny:    #C41E3A;
  --text-dark: #1a1a1a;
  --text-mid:  #444444;
  --text-light:#888888;

  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius:    12px;
  --radius-lg: 24px;
  --nav-h:     72px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ---- RESET ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background: var(--white);
  color: var(--text-dark);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---- SCROLL BAR ---- */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 2px; }

/* =====================
   ANIMATIONS / REVEALS
   ===================== */
.reveal-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
  transition-delay: var(--delay, 0s);
}
.reveal-up.visible { opacity: 1; transform: translateY(0); }

.reveal-card {
  opacity: 0;
  transform: translateY(30px) scale(0.97);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
  transition-delay: var(--delay, 0s);
}
.reveal-card.visible { opacity: 1; transform: translateY(0) scale(1); }

.reveal-scale {
  opacity: 0;
  transform: scale(0.88);
  transition: opacity 1s var(--ease-out), transform 1s var(--ease-out);
}
.reveal-scale.visible { opacity: 1; transform: scale(1); }

.delay-1 { --delay: .12s; }
.delay-2 { --delay: .24s; }
.delay-3 { --delay: .36s; }
.delay-4 { --delay: .48s; }

/* =====================
   NAVBAR
   ===================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  transition: background 0.4s ease, box-shadow 0.4s ease;
  background: rgba(10,10,10,0.72);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  isolation: isolate;
}
.navbar.scrolled {
  background: rgba(10,10,10,0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}
.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; }
.logo-img {
  width: 210px;
  height: auto;
  filter: invert(1);
  mix-blend-mode: screen;
  transition: opacity 0.2s;
}
.logo-img:hover { opacity: 0.8; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links li {
  display: flex;
  align-items: center;
  height: 46px;
  background-repeat: no-repeat;
  background-position: center bottom;
  background-size: 220px 36px;
  transition: background-position-x 0.9s linear;
}
.nav-links li:not(:last-child):hover,
.nav-links li:not(:last-child):focus-within {
  background-image: linear-gradient(to right, transparent, var(--gold), transparent);
  animation: nav-line 1s;
}
.nav-link {
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  padding: 8px 14px;
  border-radius: 20px;
  transition: color 0.45s, text-shadow 0.45s;
  letter-spacing: 0.01em;
}
.nav-link:hover,
.nav-link:focus-visible {
  color: var(--gold-light);
  text-shadow: 0 0 18px rgba(201,168,76,0.28);
}
.nav-cta {
  font-size: 13px;
  font-weight: 600;
  color: var(--black);
  background: var(--gold);
  padding: 9px 20px;
  border-radius: 20px;
  transition: background 0.2s, transform 0.2s;
  margin-left: 8px;
}
.nav-cta:hover { background: var(--gold-light); transform: scale(1.03); }

@keyframes nav-line {
  0% {
    background-position-x: 390px;
  }
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}
.nav-hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* =====================
   HERO
   ===================== */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--black);
  overflow: hidden;
  padding: var(--nav-h) 32px 80px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
/* Radial glow */
.hero-bg::before {
  content: '';
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 900px;
  background: radial-gradient(ellipse at center, rgba(201,168,76,0.12) 0%, transparent 70%);
}
.skyline-css {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 240px;
  color: rgba(201,168,76,0.07);
  overflow: hidden;
}
.skyline-css::before,
.skyline-css::after {
  content: '';
  position: absolute;
  left: -4%;
  right: -4%;
  bottom: 0;
  height: 74%;
  background:
    linear-gradient(180deg, transparent 0 28%, currentColor 28% 100%),
    repeating-linear-gradient(90deg,
      transparent 0 22px,
      currentColor 22px 38px,
      transparent 38px 54px,
      currentColor 54px 86px,
      transparent 86px 114px,
      currentColor 114px 138px);
  clip-path: polygon(0 100%,0 72%,2% 72%,2% 58%,3% 70%,4% 64%,5% 72%,6% 72%,6% 48%,7% 72%,8% 72%,8% 62%,9% 62%,9% 78%,11% 78%,11% 58%,12% 48%,13% 70%,14% 70%,14% 88%,16% 88%,16% 66%,18% 54%,19% 75%,20% 75%,20% 62%,21% 62%,21% 82%,23% 82%,23% 52%,24% 30%,25% 72%,26% 72%,26% 58%,27% 58%,27% 86%,29% 86%,29% 72%,30% 72%,30% 63%,31% 63%,31% 82%,33% 82%,33% 62%,35% 42%,36% 70%,37% 70%,37% 84%,39% 84%,39% 62%,40% 62%,40% 74%,42% 74%,42% 54%,43% 42%,44% 74%,45% 74%,45% 62%,46% 62%,46% 84%,48% 84%,48% 62%,50% 48%,52% 72%,53% 72%,53% 82%,55% 82%,55% 62%,56% 62%,56% 74%,58% 74%,58% 56%,59% 46%,60% 72%,61% 72%,61% 84%,63% 84%,63% 70%,64% 70%,64% 58%,65% 70%,66% 70%,66% 82%,68% 82%,68% 60%,69% 48%,70% 72%,71% 72%,71% 84%,73% 84%,73% 64%,74% 64%,74% 74%,76% 74%,76% 54%,77% 42%,78% 72%,79% 72%,79% 82%,81% 82%,81% 62%,82% 54%,83% 72%,84% 72%,84% 86%,86% 86%,86% 70%,87% 70%,87% 58%,88% 70%,89% 70%,89% 82%,91% 82%,91% 62%,92% 52%,94% 76%,95% 76%,95% 88%,97% 88%,97% 82%,99% 82%,99% 88%,100% 88%,100% 100%);
}
.skyline-css::after {
  opacity: 0.5;
  transform: translateX(7%) scaleX(0.9);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  width: 100%;
}
.hero-eyebrow {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 32px;
}
.hero-headline {
  font-family: var(--font-serif);
  font-size: clamp(56px, 10vw, 120px);
  font-weight: 900;
  line-height: 1;
  color: var(--white);
  margin-bottom: 32px;
  overflow-wrap: normal;
  word-break: keep-all;
}
.hero-headline .line { display: block; }
.hero-sub {
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 300;
  color: rgba(255,255,255,0.65);
  line-height: 1.7;
  margin-bottom: 48px;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 600;
  color: var(--black);
  background: var(--gold);
  padding: 16px 36px;
  border-radius: 40px;
  transition: background 0.25s, transform 0.2s, box-shadow 0.25s;
  letter-spacing: 0.02em;
}
.btn-primary:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(201,168,76,0.35);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
  border: 1.5px solid rgba(255,255,255,0.25);
  padding: 16px 36px;
  border-radius: 40px;
  transition: border-color 0.2s, color 0.2s, transform 0.2s;
}
.btn-ghost:hover { border-color: var(--white); color: var(--white); transform: translateY(-2px); }
.btn-full { width: 100%; text-align: center; }

.hero-scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.4);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: scrollBounce 2s ease-in-out infinite;
}
.scroll-line {
  width: 1px; height: 50px;
  background: linear-gradient(to bottom, rgba(201,168,76,0.6), transparent);
}
@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* =====================
   CONTAINER
   ===================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

/* =====================
   SECTION LABELS / HEADS
   ===================== */
.section-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
  display: block;
}
.section-headline {
  font-family: var(--font-serif);
  font-size: clamp(36px, 5vw, 72px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-dark);
  margin-bottom: 48px;
}

/* =====================
   PRODUCT INTRO
   ===================== */
.product-intro {
  background: var(--white);
  padding: 120px 0 0;
}
.product-intro .container { text-align: center; }
.product-intro .section-headline { color: var(--dark); }

/* NFC Showcase sticky scroll */
.nfc-showcase {
  position: relative;
  height: 280vh;
}
.nfc-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 80px;
  padding: 0 32px;
  background: var(--black);
  overflow: hidden;
}
/* Background shimmer */
.nfc-sticky::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 60% at 50% 50%, rgba(201,168,76,0.08) 0%, transparent 70%);
}

/* NFC Card */
.nfc-card-wrap {
  position: relative;
  flex-shrink: 0;
}
.nfc-glow {
  position: absolute;
  inset: -40px;
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(201,168,76,0.25) 0%, transparent 70%);
  animation: glowPulse 3s ease-in-out infinite;
}
@keyframes glowPulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.1); }
}
.nfc-card {
  width: min(280px, calc(100vw - 64px));
  aspect-ratio: 1.6;
  height: auto;
  border-radius: 18px;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.6s var(--ease-out);
  cursor: default;
}
.nfc-card:hover { transform: rotateY(6deg) rotateX(-3deg) scale(1.03); }
.nfc-card-face {
  position: absolute;
  inset: 0;
  border-radius: 18px;
  overflow: hidden;
}
.nfc-card-face.front {
  background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 40%, #1a1a1a 100%);
  border: 1px solid rgba(201,168,76,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
  padding: 24px;
}
.nfc-logo-mark {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
}
.nfc-logo-mark strong { color: var(--gold); }
.nfc-wave {
  width: 64px;
  height: 64px;
  color: var(--gold);
  opacity: 0.6;
  position: relative;
}
.nfc-wave,
.nfc-wave::before,
.nfc-wave::after,
.nfc-wave span {
  border: 1.5px solid currentColor;
  border-radius: 50%;
}
.nfc-wave::before,
.nfc-wave::after,
.nfc-wave span {
  content: '';
  position: absolute;
  inset: 9px;
}
.nfc-wave span { inset: 20px; border-width: 2px; }
.nfc-wave::after { inset: 4px; opacity: 0.35; }
.nfc-shimmer {
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(201,168,76,0.12) 50%, transparent 60%);
  animation: shimmerMove 3s linear infinite;
}
@keyframes shimmerMove {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(200%); }
}

/* Feature text panel */
.nfc-feature-text {
  max-width: 400px;
  position: relative;
  z-index: 2;
}
.feature-slide {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
  position: absolute;
  top: 0; left: 0;
  pointer-events: none;
}
.feature-slide.active {
  opacity: 1;
  transform: translateY(0);
  position: relative;
  pointer-events: auto;
}
.feature-slide h3 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 700;
  color: var(--white);
  margin-bottom: 20px;
  line-height: 1.2;
}
.feature-slide p {
  font-size: 17px;
  font-weight: 300;
  color: rgba(255,255,255,0.65);
  line-height: 1.8;
}

/* Specs strip */
.specs-strip {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: var(--cream);
  padding: 48px 32px;
  flex-wrap: wrap;
}
.spec-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 48px;
}
.spec-number {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 700;
  color: var(--dark);
  line-height: 1;
  margin-bottom: 8px;
}
.spec-label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel);
}
.spec-divider {
  width: 1px;
  height: 40px;
  background: rgba(0,0,0,0.15);
  flex-shrink: 0;
}

/* =====================
   USE CASES GRID
   ===================== */
.use-cases {
  padding: 120px 0;
  background: var(--white);
}
.use-cases .section-headline { color: var(--dark); }
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.case-card {
  background: var(--cream);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s;
  border: 1px solid transparent;
}
.case-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.1);
  border-color: rgba(201,168,76,0.25);
}
.case-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gold);
  color: var(--black);
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
}
.case-card h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--dark);
}
.case-card p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-mid);
}

/* =====================
   SERVICE SECTIONS
   ===================== */
.service-section {
  padding: 120px 0;
  background: var(--white);
}
.service-section.alt-bg { background: var(--black); }
.service-section.alt-bg .section-headline { color: var(--white); }
.service-section.alt-bg .service-body { color: rgba(255,255,255,0.65); }
.service-section.alt-bg .service-list li { color: rgba(255,255,255,0.7); }
.service-section.alt-bg .service-list li::before { background: var(--gold); }
.service-section.alt-bg .section-label { color: var(--gold); }

.service-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}
.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.split-layout.reverse { direction: rtl; }
.split-layout.reverse > * { direction: ltr; }

.service-body {
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-mid);
  margin-bottom: 32px;
  max-width: 62ch;
}
.service-list {
  margin-bottom: 40px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.service-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 15px;
  color: var(--text-mid);
}
.service-list li::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
}

/* Services holographic grid */
.servicios-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 20px;
  width: 100%;
}

.holographic-card {
  aspect-ratio: 1;
  min-height: 220px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  overflow: hidden;
  position: relative;
  isolation: isolate;
  transition: transform 0.4s var(--ease-spring), box-shadow 0.45s ease;
  box-shadow: 0 14px 36px rgba(0,0,0,0.08);
}

.holographic-card h2 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 20px;
  position: relative;
  z-index: 2;
  text-shadow: 0 1px 12px rgba(255,255,255,0.12);
}

.holographic-card::before {
  content: '';
  position: absolute;
  top: -150%;
  left: -55%;
  width: 210%;
  height: 220%;
  background: linear-gradient(
    to bottom,
    rgba(255,255,255,0) 0%,
    rgba(255,255,255,0.18) 44%,
    rgba(255,255,255,0.55) 50%,
    rgba(255,255,255,0.18) 56%,
    rgba(255,255,255,0) 100%
  );
  opacity: 0;
  pointer-events: none;
  transform: translateY(-10%) rotate(-45deg);
  transition: opacity 0.3s ease, transform 0.75s ease-in-out;
  z-index: 1;
}

.holographic-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 18px 50px var(--holo-shadow, rgba(0,0,0,0.16));
}

.holographic-card:hover::before {
  opacity: 1;
  transform: translateY(115%) rotate(-45deg);
}

.card-brand {
  background: var(--gold);
  color: var(--black);
  border: 2px solid var(--gold);
  --holo-shadow: rgba(201,168,76,0.42);
}

.card-strategy {
  background: var(--dark);
  color: var(--white);
  border: 2px solid var(--dark);
  --holo-shadow: rgba(232,201,106,0.26);
}

.card-design {
  background: var(--cream);
  color: var(--dark);
  border: 2px solid var(--gold);
  --holo-shadow: rgba(201,168,76,0.34);
}

.card-digital {
  background: var(--steel);
  color: var(--white);
  border: 2px solid var(--steel);
  --holo-shadow: rgba(74,85,104,0.4);
}

/* Favors visual */
.favors-visual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 20px;
}
.favor-card {
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  aspect-ratio: 1;
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  --holo-edge: rgba(255,255,255,0.36);
  --holo-core: rgba(232,201,106,0.28);
  --holo-shadow: rgba(201,168,76,0.34);
  transition: transform 0.4s var(--ease-spring), box-shadow 0.45s ease;
}
.favor-card::before,
.favor-card::after {
  content: '';
  position: absolute;
  inset: -55%;
  z-index: 0;
  pointer-events: none;
}
.favor-card::before {
  background:
    linear-gradient(110deg,
      transparent 0%,
      transparent 35%,
      var(--holo-edge) 44%,
      var(--holo-core) 51%,
      rgba(255,255,255,0.22) 58%,
      transparent 67%,
      transparent 100%);
  opacity: 0.44;
  transform: translateX(-34%) rotate(-24deg);
  animation: holo-sweep 6.5s ease-in-out infinite;
}
.favor-card::after {
  background:
    radial-gradient(circle at 76% 18%, rgba(255,255,255,0.24), transparent 22%),
    linear-gradient(135deg, transparent, var(--holo-core), transparent 58%);
  mix-blend-mode: screen;
  opacity: 0.18;
  transform: rotate(12deg);
  animation: holo-drift 7s ease-in-out infinite alternate;
}
.favor-card span,
.favor-nfc-dot {
  position: relative;
  z-index: 1;
}
.favor-card:hover {
  transform: scale(1.05) rotate(1deg);
  box-shadow: 0 18px 50px var(--holo-shadow);
}
.favor-card:hover::before {
  opacity: 0.84;
  animation-duration: 2.4s;
}
.favor-card:hover::after { opacity: 0.32; }
.favor-nfc-dot {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: 2px solid currentColor;
  position: relative;
}
.favor-nfc-dot::after {
  content: '';
  position: absolute;
  inset: 6px;
  border-radius: 50%;
  background: currentColor;
}
.fc-1 {
  background: var(--cream);
  color: var(--dark);
  border: 2px solid rgba(0,0,0,0.08);
  --holo-edge: rgba(201,168,76,0.45);
  --holo-core: rgba(74,85,104,0.18);
  --holo-shadow: rgba(248,244,238,0.2);
}
.fc-2 {
  background: var(--gold);
  color: var(--black);
  --holo-edge: rgba(255,255,255,0.42);
  --holo-core: rgba(74,85,104,0.24);
  --holo-shadow: rgba(201,168,76,0.42);
}
.fc-3 {
  background: rgba(255,255,255,0.06);
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.15);
  --holo-edge: rgba(232,201,106,0.52);
  --holo-core: rgba(138,155,173,0.22);
  --holo-shadow: rgba(232,201,106,0.18);
}
.fc-4 {
  background: var(--steel);
  color: var(--white);
  --holo-edge: rgba(255,255,255,0.46);
  --holo-core: rgba(232,201,106,0.28);
  --holo-shadow: rgba(74,85,104,0.42);
}

@keyframes holo-sweep {
  0%, 18% { transform: translateX(-34%) rotate(-24deg); }
  52%, 100% { transform: translateX(34%) rotate(-24deg); }
}

@keyframes holo-drift {
  0% { transform: translate3d(-4%, -3%, 0) rotate(10deg); }
  100% { transform: translate3d(4%, 3%, 0) rotate(16deg); }
}

@media (prefers-reduced-motion: reduce) {
  .reveal-up,
  .reveal-card,
  .reveal-scale,
  .holographic-card::before,
  .favor-card::before,
  .favor-card::after {
    animation: none;
    transition: none;
  }
}

/* =====================
   HOW IT WORKS
   ===================== */
.how-it-works {
  padding: 120px 0;
  background: var(--cream);
}
.how-it-works .section-headline { color: var(--dark); }
.steps-row {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-top: 16px;
}
.step {
  flex: 1;
  padding: 0 32px;
}
.step:first-child { padding-left: 0; }
.step-num {
  font-family: var(--font-serif);
  font-size: 56px;
  font-weight: 900;
  color: rgba(201,168,76,0.25);
  line-height: 1;
  margin-bottom: 20px;
}
.step h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 12px;
}
.step p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-mid);
}
.step-connector {
  flex-shrink: 0;
  width: 60px;
  height: 1px;
  background: linear-gradient(to right, var(--gold), rgba(201,168,76,0.2));
  margin-top: 60px;
}

/* =====================
   CTA BANNER
   ===================== */
.cta-banner {
  background: var(--black);
  padding: 120px 32px;
  isolation: isolate;
}
.cta-inner {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
  width: 100%;
}
.cta-logo {
  width: 240px;
  height: auto;
  filter: invert(1);
  mix-blend-mode: screen;
  margin: 0 auto 40px;
}
.cta-headline {
  font-family: var(--font-serif);
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: 20px;
}
.cta-sub {
  font-size: 17px;
  color: rgba(255,255,255,0.55);
  margin-bottom: 48px;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: left;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-input {
  width: 100%;
  background: rgba(255,255,255,0.07);
  border: 1.5px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 14px 18px;
  font-size: 15px;
  color: var(--white);
  font-family: var(--font-sans);
  outline: none;
  transition: border-color 0.2s, background 0.2s;
  min-height: 52px;
}
.form-input::placeholder { color: rgba(255,255,255,0.35); }
.form-input:focus { border-color: var(--gold); background: rgba(201,168,76,0.06); }
.form-select { appearance: none; -webkit-appearance: none; }
.form-select option { background: var(--dark); color: var(--white); }
.form-textarea { resize: vertical; min-height: 100px; }
.form-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.form-error {
  min-height: 20px;
  margin: -4px 0 0;
  color: #f4b6b6;
  font-size: 14px;
  text-align: center;
}
.contact-form .btn-primary:disabled {
  cursor: wait;
  opacity: 0.72;
}

.form-success {
  text-align: center;
  padding: 60px 40px;
  color: var(--white);
}
.success-icon {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--black);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  font-weight: 700;
  margin: 0 auto 24px;
}
.form-success h3 { font-size: 24px; font-family: var(--font-serif); margin-bottom: 8px; }
.form-success p { color: rgba(255,255,255,0.6); }

/* =====================
   FOOTER
   ===================== */
.footer {
  background: #050505;
  padding: 80px 32px 0;
  isolation: isolate;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  flex-wrap: wrap;
}
.footer-logo img {
  width: 200px;
  height: 74px;
  object-fit: cover;
  object-position: center;
  filter: invert(1);
  mix-blend-mode: screen;
  display: block;
  margin: 0;
}
.footer-logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transform: translateY(-18px);
}
.footer-logo p {
  font-size: 13px;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.06em;
  margin: 10px 0 0;
  text-align: left;
}
.footer-social {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
}
.social-icon {
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: 50%;
  color: rgba(255,255,255,0.78);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  text-transform: lowercase;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}
.social-icon:hover {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--black);
  transform: translateY(-2px);
}
.social-linkedin {
  font-size: 15px;
  letter-spacing: -0.03em;
}
.social-facebook {
  font-family: Arial, sans-serif;
  font-size: 23px;
  font-weight: 700;
  padding-top: 2px;
}
.social-whatsapp {
  font-size: 11px;
  letter-spacing: -0.06em;
}
.social-instagram span {
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-radius: 5px;
  position: relative;
}
.social-instagram span::before {
  content: '';
  width: 5px;
  height: 5px;
  border: 2px solid currentColor;
  border-radius: 50%;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.social-instagram span::after {
  content: '';
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: currentColor;
  position: absolute;
  right: 2px;
  top: 2px;
}
.footer-links { display: flex; gap: 80px; flex-wrap: wrap; }
.footer-col { display: flex; flex-direction: column; gap: 14px; }
.footer-col h4 {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 4px;
}
.footer-col a {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  transition: color 0.2s;
}
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 12px;
  color: rgba(255,255,255,0.25);
}

/* =====================
   RESPONSIVE
   ===================== */
@media (max-width: 1024px) {
  :root { --nav-h: 68px; }
  .reveal-up,
  .reveal-card,
  .reveal-scale {
    will-change: opacity, transform;
  }
  .reveal-up {
    transform: translateY(24px);
  }
  .reveal-card {
    transform: translateY(20px) scale(0.98);
  }
  .reveal-scale {
    transform: scale(0.94);
  }
  .split-layout { grid-template-columns: 1fr; gap: 60px; }
  .split-layout.reverse { direction: ltr; }
  .cases-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-row { flex-direction: column; gap: 48px; }
  .step { padding: 0; max-width: 640px; }
  .step-connector { display: none; }
  .nfc-sticky {
    position: relative;
    top: auto;
    height: auto;
    min-height: 0;
    flex-direction: column;
    gap: 40px;
    padding: 72px 32px;
  }
  .nfc-showcase { height: auto; }
  .nfc-card { width: min(240px, calc(100vw - 64px)); }
  .nfc-feature-text {
    text-align: center;
    min-height: 0;
    width: 100%;
  }
  .feature-slide {
    opacity: 0;
    transform: translateY(20px);
    position: relative;
    pointer-events: auto;
  }
  .feature-slide.active,
  .feature-slide.mobile-visible {
    opacity: 1;
    transform: translateY(0);
  }
  .feature-slide:not(:last-child) { margin-bottom: 34px; }
  .nfc-dots { display: none; }
  .service-copy { max-width: 760px; }
  .servicios-grid,
  .favors-visual {
    max-width: 560px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .nav-inner { padding: 0 20px; }
  .logo-img { width: 118px; }
  .nav-links {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    background: rgba(10,10,10,0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 18px 20px 28px;
    gap: 4px;
    border-top: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 18px 44px rgba(0,0,0,0.32);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
  }
  .nav-links.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }
  .nav-links li {
    width: 100%;
    height: auto;
    justify-content: stretch;
    background-image: none !important;
  }
  .nav-link,
  .nav-cta {
    width: 100%;
    min-height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    margin-left: 0;
    font-size: 14px;
  }
  .nav-hamburger { display: flex; }
  .cases-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .specs-strip {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px 8px;
    padding: 36px 20px;
  }
  .spec-divider { display: none; }
  .spec-item { padding: 0 8px; }
  .hero {
    align-items: flex-end;
    padding: calc(var(--nav-h) + 56px) 20px 96px;
  }
  .hero-bg::before {
    width: 620px;
    height: 620px;
    top: -10%;
  }
  .skyline-css { height: 150px; }
  .hero-headline {
    font-size: clamp(38px, 13vw, 58px);
    margin-bottom: 22px;
  }
  .hero-sub {
    font-size: 16px;
    line-height: 1.65;
    margin-bottom: 32px;
  }
  .hero-scroll-hint { display: none; }
  .br-desktop { display: none; }
  .product-intro { padding: 78px 0 0; }
  .section-label { font-size: 11px; line-height: 1.5; }
  .section-headline {
    font-size: clamp(34px, 10vw, 52px);
    margin-bottom: 36px;
  }
  .nfc-sticky {
    padding: 64px 20px 72px;
  }
  .nfc-feature-text {
    width: 100%;
    max-width: 440px;
    min-height: 0;
  }
  .feature-slide h3 { font-size: clamp(28px, 9vw, 38px); }
  .feature-slide p { font-size: 16px; line-height: 1.7; }
  .use-cases,
  .service-section,
  .how-it-works,
  .cta-banner {
    padding-top: 78px;
    padding-bottom: 78px;
  }
  .case-card {
    border-radius: 16px;
    padding: 30px 24px;
  }
  .split-layout { gap: 42px; }
  .service-list li { align-items: flex-start; line-height: 1.55; }
  .holographic-card { min-height: clamp(150px, 42vw, 220px); }
  .holographic-card h2 { font-size: clamp(17px, 5vw, 22px); }
  .favor-card { min-width: 0; padding: 22px 14px; }
  .steps-row { gap: 34px; }
  .step-num { font-size: 46px; margin-bottom: 14px; }
  .cta-banner { padding-left: 20px; padding-right: 20px; }
  .cta-logo { width: 132px; margin-bottom: 30px; }
  .cta-sub { margin-bottom: 34px; line-height: 1.6; }
  .footer-inner { flex-direction: column; gap: 48px; }
  .footer-links { gap: 40px; }
  .footer { padding: 64px 20px 0; }
}

@media (max-width: 480px) {
  :root { --nav-h: 64px; }
  .nav-inner { padding: 0 16px; }
  .logo-img { width: 108px; }
  .hero {
    padding: calc(var(--nav-h) + 44px) 18px 84px;
  }
  .hero-actions { flex-direction: column; align-items: center; }
  .btn-primary, .btn-ghost {
    width: 100%;
    max-width: 320px;
    min-height: 52px;
    text-align: center;
    padding: 14px 22px;
  }
  .container { padding: 0 18px; }
  .service-inner { padding: 0 18px; }
  .servicios-grid, .favors-visual {
    padding: 0;
    gap: 12px;
  }
  .nfc-card { width: min(230px, calc(100vw - 52px)); }
  .nfc-logo-mark { font-size: 19px; }
  .nfc-wave { width: 52px; }
  .specs-strip { grid-template-columns: 1fr; }
  .spec-number { font-size: 32px; }
  .service-body { font-size: 16px; line-height: 1.75; }
  .service-list { gap: 11px; }
  .favor-card {
    font-size: 12px;
    letter-spacing: 0.03em;
  }
  .favor-nfc-dot { width: 30px; height: 30px; }
  .footer-links {
    width: 100%;
    flex-direction: column;
    gap: 30px;
  }
}

@media (max-width: 360px) {
  .hero-headline { font-size: 37px; }
  .section-headline { font-size: 32px; }
  .servicios-grid,
  .favors-visual {
    grid-template-columns: 1fr;
  }
  .holographic-card,
  .favor-card {
    aspect-ratio: 1.75;
  }
}

/* =====================
   PROGRESS DOT INDICATOR
   ===================== */
.nfc-dots {
  position: absolute;
  right: 48px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 10;
}
.nfc-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: rgba(255,255,255,0.25);
  transition: background 0.3s, transform 0.3s;
}
.nfc-dot.active { background: var(--gold); transform: scale(1.4); }

@media (max-width: 1024px) {
  .nfc-dots { display: none; }
}