:root {
  --bg: #050505;
  --panel: #101010;
  --panel2: #181818;
  --text: #fff;
  --muted: #b9b9b9;
  --red: #ff1616;
  --red2: #9d050b;
  --line: rgba(255, 255, 255, 0.12);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, Arial, Helvetica, sans-serif;
  line-height: 1.5;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 5vw;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.82), rgba(0, 0, 0, 0.25));
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.brand img {
  width: min(310px, 58vw);
}
.nav {
  display: flex;
  align-items: center;
  gap: 26px;
  font-weight: 700;
  font-size: 15px;
}
.nav a {
  color: #eee;
  opacity: 0.92;
}
.nav a:hover {
  color: var(--red);
  opacity: 1;
}
.nav-cta {
  padding: 10px 16px;
  border: 1px solid var(--red);
  border-radius: 999px;
  background: rgba(255, 22, 22, 0.12);
}
.menu-toggle {
  display: none;
  background: none;
  border: 0;
  color: #fff;
  font-size: 28px;
}
.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  align-items: center;
  padding: 140px 5vw 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: url("assets/portada-zander.jpg") center/cover no-repeat;
  transform: scale(1.04);
  filter: saturate(1.1) contrast(1.08);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
      90deg,
      rgba(0, 0, 0, 0.88) 0%,
      rgba(0, 0, 0, 0.62) 42%,
      rgba(0, 0, 0, 0.22) 100%
    ),
    radial-gradient(circle at 25% 50%, rgba(255, 22, 22, 0.25), transparent 32%);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 850px;
}
.eyebrow,
.section-kicker {
  color: var(--red);
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.hero h1 {
  font-size: clamp(46px, 8vw, 104px);
  line-height: 0.92;
  margin: 16px 0 22px;
  letter-spacing: -0.06em;
}
.lead {
  font-size: clamp(19px, 2.4vw, 27px);
  color: #e8e8e8;
  max-width: 720px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 34px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 900;
}
.primary {
  background: linear-gradient(135deg, var(--red), var(--red2));
  box-shadow: 0 14px 35px rgba(255, 22, 22, 0.28);
}
.secondary {
  border: 1px solid rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.08);
}
.hero-card {
  position: absolute;
  right: 5vw;
  bottom: 54px;
  z-index: 1;
  width: min(330px, 90vw);
  padding: 24px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.62);
  backdrop-filter: blur(14px);
  border-radius: 24px;
  box-shadow: var(--shadow);
}
.hero-card strong {
  display: block;
  color: var(--red);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.hero-card span {
  display: block;
  font-size: 38px;
  font-weight: 950;
  letter-spacing: 0.03em;
}
.hero-card small {
  color: var(--muted);
}
.section {
  padding: 95px 5vw;
}
.intro {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 50px;
  align-items: center;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #070707, #0c0c0c);
}
h2 {
  font-size: clamp(32px, 5vw, 62px);
  line-height: 1;
  margin: 10px 0 18px;
  letter-spacing: -0.045em;
}
.intro p:last-child,
.split-content p,
.cta p {
  font-size: 19px;
  color: var(--muted);
}
.section-title {
  max-width: 820px;
  margin-bottom: 34px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.card {
  padding: 30px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel), #090909);
  border-radius: 26px;
  min-height: 245px;
  transition: 0.25s transform, 0.25s border-color;
}
.card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 22, 22, 0.55);
}
.card span {
  color: var(--red);
  font-weight: 950;
}
.card h3 {
  font-size: 26px;
  margin: 24px 0 10px;
}
.card p {
  color: var(--muted);
  margin: 0;
}
.work {
  background: #080808;
}
.gallery {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 0.9fr;
  gap: 18px;
}
.gallery figure {
  margin: 0;
  position: relative;
  overflow: hidden;
  border-radius: 30px;
  background: #111;
  min-height: 360px;
  border: 1px solid var(--line);
}
.gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.gallery figure:hover img {
  transform: scale(1.06);
}
.gallery figcaption {
  position: absolute;
  left: 18px;
  bottom: 18px;
  padding: 10px 14px;
  background: rgba(0, 0, 0, 0.72);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-weight: 900;
}
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 34px;
  align-items: stretch;
}
.split-image {
  min-height: 520px;
  border-radius: 34px;
  background: url("assets/portada-zander2.jpg") center/cover no-repeat;
  border: 1px solid var(--line);
}
.split-content {
  padding: 46px;
  border-radius: 34px;
  background: linear-gradient(180deg, var(--panel2), #090909);
  border: 1px solid var(--line);
}
.checks {
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
  display: grid;
  gap: 14px;
}
.checks li {
  padding: 16px 18px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.checks li:before {
  content: "✓";
  color: var(--red);
  font-weight: 950;
  margin-right: 10px;
}
.cta {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 34px;
  align-items: center;
  background: radial-gradient(
      circle at 20% 20%,
      rgba(255, 22, 22, 0.22),
      transparent 34%
    ),
    #0a0a0a;
  border-top: 1px solid var(--line);
}
.contact-panel {
  padding: 30px;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  display: grid;
  gap: 14px;
}
.contact-link {
  display: block;
  padding: 18px 20px;
  border-radius: 18px;
  background: #fff;
  color: #090909;
  font-weight: 950;
  text-align: center;
}
.contact-link.big {
  font-size: 38px;
  background: linear-gradient(135deg, var(--red), var(--red2));
  color: #fff;
}
.whatsapp {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 30;
  background: #25d366;
  color: #07120a;
  padding: 16px 20px;
  border-radius: 999px;
  font-weight: 950;
  box-shadow: 0 14px 35px rgba(0, 0, 0, 0.35);
}
.footer {
  padding: 34px 5vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}
.footer img {
  width: 260px;
}
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
@media (max-width: 900px) {
  .menu-toggle {
    display: block;
  }
  .nav {
    position: absolute;
    top: 74px;
    left: 5vw;
    right: 5vw;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    background: rgba(0, 0, 0, 0.96);
    border: 1px solid var(--line);
    border-radius: 22px;
  }
  .nav.open {
    display: flex;
  }
  .hero {
    padding-top: 125px;
  }
  .hero-card {
    position: relative;
    right: auto;
    bottom: auto;
    margin-top: 40px;
  }
  .intro,
  .split,
  .cta {
    grid-template-columns: 1fr;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  .gallery {
    grid-template-columns: 1fr;
  }
  .gallery figure {
    min-height: 300px;
  }
  .footer {
    flex-direction: column;
    align-items: flex-start;
  }
  .contact-link.big {
    font-size: 30px;
  }
}
@media (max-width: 520px) {
  .site-header {
    padding: 14px 4vw;
  }
  .brand img {
    width: 245px;
  }
  .hero,
  .section {
    padding-left: 4vw;
    padding-right: 4vw;
  }
  .hero h1 {
    font-size: 43px;
  }
  .btn {
    width: 100%;
  }
  .split-content {
    padding: 28px;
  }
  .whatsapp {
    left: 16px;
    right: 16px;
    text-align: center;
  }
  .footer img {
    width: 230px;
  }
}