:root {
  --bg: #0b0d10;
  --bg-alt: #12151a;
  --surface: #171b21;
  --surface-2: #1e232b;
  --border: #2a303a;
  --text: #f4f5f2;
  --text-muted: #a3aab3;
  --gold: #d4af37;
  --gold-soft: #e9cf7a;
  --copper: #e2572b;
  --whatsapp: #25d366;
  --whatsapp-dark: #1fb457;
  --radius: 16px;
  --container: 1180px;
  --shadow: 0 20px 40px -20px rgba(0,0,0,.6);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Outfit', 'Inter', sans-serif;
  margin: 0 0 .5em;
  line-height: 1.15;
  letter-spacing: -.01em;
}

p { margin: 0 0 1em; color: var(--text-muted); }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; margin: 0; padding: 0; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: .18em;
  font-size: .75rem;
  font-weight: 600;
  color: var(--gold);
  margin-bottom: .75em;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  background: linear-gradient(135deg, var(--gold-soft), var(--gold));
  color: #14110a;
  box-shadow: 0 12px 24px -10px rgba(212,175,55,.5);
}
.btn-whatsapp {
  background: var(--whatsapp);
  color: #06210f;
  box-shadow: 0 12px 24px -10px rgba(37,211,102,.45);
}
.btn-whatsapp:hover { background: var(--whatsapp-dark); }
.btn-sm { padding: 9px 16px; font-size: .85rem; }
.btn-lg { padding: 16px 30px; font-size: 1.05rem; }
.btn-block { width: 100%; justify-content: center; }

/* Top bar */
.topbar {
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  font-size: .8rem;
  color: var(--text-muted);
}
.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 36px;
}
.topbar-item { display: inline-flex; align-items: center; gap: 6px; }
a.topbar-item:hover { color: var(--gold); }

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11,13,16,.75);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav::before {
  content: "";
  position: absolute; left: 0; right: 0; top: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold) 50%, transparent);
  opacity: .6;
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
}
.brand-logo { width: 38px; height: 38px; object-fit: contain; }
.brand-word {
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: .04em;
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}
.brand-metro {
  font-size: .58rem;
  font-weight: 600;
  letter-spacing: .3em;
  color: var(--gold);
}
.nav-links { display: flex; gap: 28px; }
.nav-links a { font-size: .92rem; font-weight: 500; color: var(--text); opacity: .85; transition: opacity .15s, color .15s; }
.nav-links a:hover { opacity: 1; color: var(--gold); }
.nav-cta { flex-shrink: 0; }
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; }

/* Hero */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-media { position: absolute; inset: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; object-position: center 78%; filter: saturate(1.08) brightness(.9) contrast(1.05); }
.hero-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(11,13,16,.45) 0%, rgba(11,13,16,.5) 40%, rgba(11,13,16,.97) 100%),
    linear-gradient(90deg, rgba(11,13,16,.82) 0%, rgba(11,13,16,.28) 55%, rgba(11,13,16,.1) 100%);
}
.hero-content { position: relative; z-index: 2; padding-top: 60px; padding-bottom: 60px; max-width: 640px; }
.hero h1 { font-size: clamp(2.4rem, 5.2vw, 3.8rem); font-weight: 800; color: #fff; }
.hero-sub { font-size: 1.08rem; color: #d7dae0; max-width: 520px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 8px; }
.hero-stats {
  display: flex; gap: 36px; margin-top: 48px;
  padding-top: 28px; border-top: 1px solid rgba(255,255,255,.14);
}
.hero-stats strong { display: block; font-family: 'Outfit', sans-serif; font-weight: 700; font-size: 1.6rem; color: var(--gold-soft); }
.hero-stats span { font-size: .78rem; color: #c7cbd2; text-transform: uppercase; letter-spacing: .08em; }
.scroll-cue {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  color: var(--gold); opacity: .8; animation: bob 2.2s ease-in-out infinite;
  z-index: 2;
}
@keyframes bob { 0%,100%{ transform: translate(-50%,0);} 50%{ transform: translate(-50%,8px);} }

/* Features bar */
.features { background: var(--bg-alt); border-bottom: 1px solid var(--border); padding: 56px 0; }
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.feature-item { text-align: left; }
.feature-icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: linear-gradient(135deg, rgba(212,175,55,.18), rgba(212,175,55,.05));
  color: var(--gold);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.feature-item h3 { font-size: 1.05rem; margin-bottom: .3em; }
.feature-item p { font-size: .9rem; margin: 0; }

/* Sections */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 640px; margin: 0 auto 56px; text-align: center; }
.section-head.reveal { margin-left: auto; margin-right: auto; }
.section-head h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
.section-sub { font-size: 1.02rem; }

/* Cards grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  display: flex;
  flex-direction: column;
}
.card:hover { transform: translateY(-6px); box-shadow: 0 24px 48px -20px rgba(0,0,0,.65), 0 0 0 1px rgba(212,175,55,.12); border-color: rgba(212,175,55,.35); }
.card-featured { border-color: rgba(212,175,55,.5); }
.card-media { position: relative; aspect-ratio: 4/3; background: #05060a; }
.card-media img { width: 100%; height: 100%; object-fit: cover; }
.badge {
  position: absolute; top: 14px; left: 14px;
  background: rgba(11,13,16,.75);
  border: 1px solid rgba(255,255,255,.12);
  color: #fff;
  font-size: .72rem; font-weight: 600;
  padding: 6px 12px; border-radius: 999px;
  backdrop-filter: blur(6px);
}
.badge-gold { left: auto; right: 14px; background: var(--gold); color: #1a1408; border: none; }
.card-body { padding: 24px; display: flex; flex-direction: column; gap: 14px; flex: 1; }
.card-body h3 { font-size: 1.3rem; }
.spec-list { display: flex; flex-direction: column; gap: 6px; flex: 1; }
.spec-list li {
  font-size: .87rem; color: var(--text-muted);
  padding-left: 18px; position: relative;
}
.spec-list li::before {
  content: ""; position: absolute; left: 0; top: 8px;
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--gold);
}
.card-foot {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 14px; border-top: 1px solid var(--border);
  gap: 12px;
}
.price { font-family: 'Outfit', sans-serif; font-weight: 700; font-size: 1.15rem; color: var(--gold-soft); }
.price small { font-weight: 500; font-size: .65em; color: var(--text-muted); }
.price-note { text-align: center; font-size: .85rem; margin-top: 36px; color: var(--text-muted); }

/* About */
.about-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: center; }
.about-media img { border-radius: var(--radius); box-shadow: var(--shadow); }
.about-stats { display: flex; gap: 32px; margin: 24px 0; }
.about-stats strong { display: block; font-family: 'Outfit', sans-serif; font-size: 1.5rem; color: var(--gold-soft); }
.about-stats span { font-size: .82rem; color: var(--text-muted); }

/* Tech split */
.tech-split { display: grid; grid-template-columns: .85fr 1.15fr; gap: 40px; align-items: center; }
.tech-media { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); aspect-ratio: 4/5; }
.tech-media img { width: 100%; height: 100%; object-fit: cover; }
.tech-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.tech-item {
  display: flex; gap: 14px; align-items: flex-start;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
  transition: border-color .2s ease, transform .2s ease;
}
.tech-item:hover { border-color: rgba(212,175,55,.4); transform: translateY(-3px); }
.tech-item svg { color: var(--gold); flex-shrink: 0; margin-top: 3px; }
.tech-item h4 { font-size: .95rem; margin-bottom: .25em; }
.tech-item p { font-size: .82rem; margin: 0; }

/* CTA band */
.cta-band {
  position: relative;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 76px 0;
  overflow: hidden;
}
.cta-band-media { position: absolute; inset: 0; }
.cta-band-media img { width: 100%; height: 100%; object-fit: cover; object-position: center 55%; filter: saturate(1.05); }
.cta-band-media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(11,13,16,.96) 15%, rgba(11,13,16,.82) 55%, rgba(20,17,10,.7) 100%);
}
.cta-band-inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.cta-band h2 { font-size: 1.9rem; margin-bottom: .2em; color: #fff; }
.cta-band p { margin: 0; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact-list { display: flex; flex-direction: column; gap: 16px; margin: 24px 0; }
.contact-list li { display: flex; align-items: center; gap: 12px; color: var(--text-muted); }
.contact-list svg { color: var(--gold); flex-shrink: 0; }
.contact-list a:hover { color: var(--gold); }
.social-links { display: flex; gap: 12px; }
.social-links a {
  width: 42px; height: 42px; border-radius: 50%;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  transition: border-color .15s, color .15s;
}
.social-links a:hover { border-color: var(--gold); color: var(--gold); }

.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.contact-form label { display: flex; flex-direction: column; gap: 8px; font-size: .85rem; color: var(--text-muted); font-weight: 500; }
.contact-form input, .contact-form select, .contact-form textarea {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: .95rem;
  resize: vertical;
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--gold);
}
.form-hint { font-size: .78rem; text-align: center; margin: 0; }

/* Footer */
.footer { background: var(--bg-alt); border-top: 1px solid var(--border); padding-top: 48px; }
.footer-inner {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 24px; padding-bottom: 32px;
}
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-links a { font-size: .88rem; color: var(--text-muted); }
.footer-links a:hover { color: var(--gold); }
.footer-contact { display: flex; gap: 18px; font-size: .88rem; }
.footer-contact a:hover { color: var(--gold); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  font-size: .8rem;
  color: var(--text-muted);
  text-align: center;
}

/* WhatsApp FAB */
.whatsapp-fab {
  position: fixed; bottom: 24px; right: 24px; z-index: 200;
  width: 60px; height: 60px; border-radius: 50%;
  background: var(--whatsapp);
  color: #06210f;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 14px 30px -10px rgba(37,211,102,.6);
  transition: transform .2s ease;
}
.whatsapp-fab:hover { transform: scale(1.08); }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 980px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; }
  .about-media { order: -1; }
  .tech-split { grid-template-columns: 1fr; }
  .tech-media { aspect-ratio: 16/9; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .topbar-item:last-child { display: none; }
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav.is-open .nav-links {
    display: flex; flex-direction: column; gap: 0;
    position: absolute; top: 76px; left: 0; right: 0;
    background: var(--bg); border-bottom: 1px solid var(--border);
    padding: 8px 24px 20px;
  }
  .nav.is-open .nav-links a { padding: 12px 0; border-bottom: 1px solid var(--border); }
  .nav.is-open .nav-cta { display: inline-flex; margin: 12px 24px 20px; }
  .hero { min-height: 88vh; }
  .hero-actions .btn { flex: 1; justify-content: center; }
  .features-grid { grid-template-columns: 1fr; gap: 28px; }
  .cards-grid { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: 1fr; }
  .cta-band-inner { flex-direction: column; align-items: flex-start; }
  .section { padding: 64px 0; }
  .hero-stats { gap: 24px; margin-top: 36px; }
  .hero-stats strong { font-size: 1.3rem; }
}