* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Montserrat', sans-serif;
  color: #f2f2f2;
  background: #000;
}

.inspection-light {
  position: fixed;
  left: 0;
  top: 0;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(207,164,74,0.16), rgba(207,164,74,0.06) 34%, rgba(207,164,74,0) 68%);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: opacity 0.35s ease;
  z-index: 1200;
  mix-blend-mode: screen;
}

body.has-pointer .inspection-light {
  opacity: 1;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: #cfa44a;
  box-shadow: 0 0 12px rgba(207,164,74,0.8);
  z-index: 9000;
}

.scroll-progress::before {
  content: "";
  position: absolute;
  right: -5px;
  top: -3px;
  width: 9px;
  height: 9px;
  background: #cfa44a;
  clip-path: polygon(0 45%, 100% 0, 70% 100%);
  filter: drop-shadow(0 0 8px rgba(207,164,74,0.95));
  transform-origin: center;
  transform: rotate(-8deg);
}

.scroll-progress::after {
  content: "";
  position: absolute;
  right: -18px;
  top: -9px;
  width: 28px;
  height: 20px;
  background:
    radial-gradient(circle, rgba(207,164,74,0.9) 0 1px, transparent 2px) 4px 4px / 9px 8px,
    radial-gradient(circle, rgba(255,255,255,0.75) 0 1px, transparent 2px) 14px 8px / 11px 9px;
  filter: blur(0.2px);
  opacity: 0;
}

.scroll-progress.cutting::before {
  animation: cutter-tip 0.18s infinite steps(2);
}

.scroll-progress.cutting::after {
  animation: cutter-sparks 0.55s linear infinite;
}

@keyframes cutter-tip {
  0% {
    transform: translate(0, 0) rotate(-8deg);
  }

  100% {
    transform: translate(1px, -1px) rotate(8deg);
  }
}

@keyframes cutter-sparks {
  0% {
    transform: translateX(0) scale(0.9);
    opacity: 0.95;
  }

  100% {
    transform: translateX(12px) scale(0.55);
    opacity: 0;
  }
}

.page-loader {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at center, rgba(207,164,74,0.13), rgba(0,0,0,0) 34%),
    #000;
  z-index: 9999;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.7s ease, visibility 0.7s ease;
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-mark {
  position: relative;
  width: min(76vw, 360px);
  text-align: center;
}

.loader-mark p {
  font-size: clamp(2rem, 8vw, 3.6rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.08em;
}

.loader-mark small {
  display: block;
  margin-top: 10px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  opacity: 0.72;
  text-transform: uppercase;
}

.loader-bar {
  position: relative;
  display: block;
  width: 100%;
  height: 2px;
  margin-top: 24px;
  overflow: hidden;
  background: rgba(255,255,255,0.14);
}

.loader-bar::after {
  content: "";
  position: absolute;
  inset: 0;
  width: 42%;
  background: #cfa44a;
  box-shadow: 0 0 18px rgba(207,164,74,0.7);
  animation: loader-scan 1.15s ease-in-out infinite;
}

.loader-cut {
  position: absolute;
  left: 50%;
  top: -34px;
  width: 2px;
  height: 72px;
  background: linear-gradient(to bottom, transparent, #cfa44a, transparent);
  box-shadow: 0 0 18px rgba(207,164,74,0.75);
  transform: translateX(-50%) rotate(28deg);
  animation: loader-cut-pulse 1.8s ease-in-out infinite;
}

@keyframes loader-scan {
  0% {
    transform: translateX(-115%);
  }

  100% {
    transform: translateX(255%);
  }
}

@keyframes loader-cut-pulse {
  0%,
  100% {
    opacity: 0.38;
    filter: blur(0);
  }

  50% {
    opacity: 1;
    filter: blur(0.4px);
  }
}

/* FONDO FIJO ESTABLE */
.bg-fixed {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("fondo.jpg");
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  filter: brightness(0.4);
  z-index: -2;
}

.tech-lines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  opacity: 0.2;
  background-image:
    linear-gradient(110deg, transparent 0 46%, rgba(207,164,74,0.26) 46% 46.3%, transparent 46.3%),
    linear-gradient(70deg, transparent 0 64%, rgba(255,255,255,0.12) 64% 64.2%, transparent 64.2%),
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 88px 88px, 88px 88px;
  animation: tech-lines-drift 22s linear infinite;
}

@keyframes tech-lines-drift {
  0% {
    background-position: 0 0, 0 0, 0 0, 0 0;
  }

  100% {
    background-position: 0 0, 0 0, 88px 44px, 44px 88px;
  }
}

.dust-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  width: 100%;
  height: 100%;
}

@media (prefers-reduced-motion: reduce) {
  .dust-layer {
    display: none;
  }
}


/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 0 8%;
}

.hero-content h1 {
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  letter-spacing: 0.06em;
  transform: none;
  text-shadow:
    2px 2px 0 rgba(0,0,0,0.85),
    0 0 16px rgba(207,164,74,0.28);
}

body.loaded .hero-content h1 {
  animation: hero-impact 0.85s ease both;
}

@keyframes hero-impact {
  0% {
    opacity: 0;
    transform: translateY(16px) scale(0.98);
    text-shadow: 0 0 0 rgba(207,164,74,0);
  }

  34% {
    opacity: 1;
    transform: translateY(0) scale(1.018);
    text-shadow:
      2px 2px 0 rgba(0,0,0,0.85),
      0 0 34px rgba(207,164,74,0.75);
  }

  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
    text-shadow:
      2px 2px 0 rgba(0,0,0,0.85),
      0 0 16px rgba(207,164,74,0.28);
  }
}

.tagline {
  margin-top: 10px;
  font-weight: 600;
  opacity: 0.85;
}

.hero-text span::after {
  content: "";
  display: inline-block;
  width: 1px;
  height: 0.9em;
  margin-left: 4px;
  background: #cfa44a;
  animation: caret-blink 0.9s steps(1) infinite;
}

@keyframes caret-blink {
  50% {
    opacity: 0;
  }
}

.hero-text {
  margin: 25px 0;
  font-size: 1.15rem;
  max-width: 520px;
}

/* BOTONES */
.btn-primary {
  display: inline-block;
  padding: 14px 26px;
  background: #cfa44a;
  color: #000;
  text-decoration: none;
  font-weight: 600;
}

/* SECCIONES */
section {
  padding: 70px 8%;
  background: rgba(0,0,0,0.65);
}

section.dark {
  background: rgba(0,0,0,0.8);
}

section.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

section.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

h2 {
  margin-bottom: 25px;
}

.section-intro {
  max-width: 520px;
  margin-bottom: 20px;
  opacity: 0.85;
}

ul {
  list-style: none;
  max-width: 520px;
}

ul li {
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.15);
}

.process-list li {
  display: flex;
  gap: 16px;
  align-items: center;
}

.process-list span {
  color: #cfa44a;
  font-size: 0.78rem;
  font-weight: 700;
  min-width: 30px;
  letter-spacing: 0.08em;
}

.process-list strong {
  font-weight: 600;
}

.checklist-list li {
  position: relative;
  padding-left: 30px;
}

.checklist-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  width: 13px;
  height: 7px;
  border-left: 2px solid #cfa44a;
  border-bottom: 2px solid #cfa44a;
  transform: rotate(-45deg);
  box-shadow: 0 0 10px rgba(207,164,74,0.45);
}

.reason-list strong {
  display: block;
  margin-bottom: 5px;
}

.reason-list span {
  display: block;
  font-size: 0.92rem;
  opacity: 0.8;
}

.nota {
  margin-top: 20px;
  font-size: 0.9rem;
  opacity: 0.75;
}

/* CTA */
.cta {
  text-align: center;
}

.cta .section-intro {
  margin-left: auto;
  margin-right: auto;
}

.section-cut {
  width: 88px;
  height: 2px;
  margin: -1px 8%;
  background: #cfa44a;
  box-shadow: 0 0 16px rgba(207,164,74,0.55);
  transform: rotate(-10deg);
  transform-origin: left center;
}

.whatsapp-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 54px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #cfa44a;
  color: #000;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 50%;
  box-shadow: 0 10px 28px rgba(0,0,0,0.45), 0 0 18px rgba(207,164,74,0.38);
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
  z-index: 1600;
  overflow: hidden;
  transition: width 0.25s ease, border-radius 0.25s ease, transform 0.2s ease;
}

.whatsapp-float:hover {
  width: 138px;
  border-radius: 999px;
  transform: translateY(-2px);
}

.wa-full {
  display: none;
  margin-left: 8px;
  white-space: nowrap;
}

.whatsapp-float:hover .wa-full {
  display: inline;
}

.whatsapp-float:hover .wa-short {
  display: none;
}

/* FOOTER */
footer {
  padding: 30px 8%;
  text-align: center;
  background: rgba(0,0,0,0.9);
  font-size: 0.9rem;
  opacity: 0.8;
}

footer p {
  margin: 5px 0;
}

.presented-by {
  margin-top: 14px;
  font-size: 0.8rem;
  opacity: 0.85;
}

.serbondar-link {
  position: relative;
  display: inline-block;
  margin-left: 8px;
  color: #f5f5f5;
  font-family: 'Bangers', Impact, 'Arial Black', sans-serif;
  font-size: 2.25rem;
  font-weight: 400;
  letter-spacing: 3px;
  line-height: 1;
  text-decoration: none;
  text-transform: uppercase;
  transform: rotate(-5deg) scaleY(1.08);
  text-shadow:
    2px 2px 0 #000,
    3px 3px 0 #000,
    4px 4px 0 rgba(207,164,74,0.9),
    0 0 14px rgba(207,164,74,0.62);
  -webkit-text-stroke: 1.6px #000;
}

.serbondar-link::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 72px;
  height: 34px;
  background: radial-gradient(circle, rgba(207,164,74,0.9), rgba(207,164,74,0.28) 45%, rgba(207,164,74,0) 72%);
  transform: translate(-50%, -50%) rotate(5deg);
  filter: blur(8px);
  opacity: 0.48;
  z-index: -1;
  animation: sb-led-glow 5.4s ease-in-out infinite;
}

.serbondar-link::after {
  content: "SB";
  position: absolute;
  left: 1px;
  top: 0;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,0.25);
  transform: translate(1px, -1px);
  opacity: 0.55;
  pointer-events: none;
}

@keyframes sb-led-glow {
  0%,
  100% {
    opacity: 0.34;
    transform: translate(-50%, -50%) rotate(5deg) scale(0.9);
  }

  50% {
    opacity: 1;
    transform: translate(-50%, -50%) rotate(5deg) scale(1.34);
  }
}

.serbondar-link:hover {
  color: #f2f2f2;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero,
  section {
    padding: 50px 6%;
  }

  .section-cut {
    margin-left: 6%;
  }

  .whatsapp-float {
    right: 16px;
    bottom: 16px;
    width: 48px;
    height: 48px;
  }

  .tech-lines,
  .inspection-light {
    display: none;
  }
}