:root {
  --bg-0: #07060F;
  --bg-1: #0D0B1C;
  --bg-2: #121028;
  --card-bg: #14122A;
  --card-border: rgba(255,255,255,0.08);
  --text-hi: #F3F1FF;
  --text-mid: #B9B4D6;
  --text-muted: #837DA8;
  --violet: #B266FF;
  --violet-light: #E19CFF;
  --blue: #4C6DF5;
  --blue-deep: #3A6DF0;
  --grad-brand: linear-gradient(135deg, var(--violet-light) 0%, var(--violet) 45%, var(--blue) 100%);
  --radius: 16px;
  --warn-bg: #2A2410;
  --warn-text: #F5D06B;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Plus Jakarta Sans', 'Segoe UI', Arial, Helvetica, sans-serif;
  background: var(--bg-0);
  color: var(--text-mid);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; display: block; }
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section--alt { background: var(--bg-1); }
h1, h2, h3 { font-weight: 800; color: var(--text-hi); margin: 0 0 16px; letter-spacing: -0.5px; }
h2 { font-size: 38px; }
p { margin: 0 0 16px; }
.section-lead { font-size: 17px; color: var(--text-mid); max-width: 640px; }
.muted-small { font-size: 13px; color: var(--text-muted); }
.eyebrow {
  text-transform: uppercase; letter-spacing: 2px; font-size: 12px; font-weight: 700;
  background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; color: transparent;
  display: block; margin-bottom: 12px;
}
.eyebrow--light { color: var(--violet-light); -webkit-text-fill-color: var(--violet-light); }

/* ===== NAV ===== */
header.nav {
  position: sticky; top: 0; z-index: 200;
  background: rgba(7,6,15,0.78); backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(178,102,255,0.18);
  box-shadow: 0 1px 24px rgba(120,60,220,0.12);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 24px; max-width: 1200px; margin: 0 auto; }
.logo-link { display: flex; align-items: center; }
.logo-chip {
  display: inline-flex; align-items: center; background: rgba(237,235,245,0.95);
  border-radius: 12px; padding: 5px 10px;
}
.logo-img { height: 40px; width: auto; display: block; }
nav.links { display: flex; gap: 34px; }
nav.links a { text-decoration: none; color: var(--text-mid); font-size: 14.5px; font-weight: 600; transition: color .15s; }
nav.links a:hover { color: var(--text-hi); }
.nav-cta {
  background: linear-gradient(135deg, var(--violet-light), var(--violet) 50%, var(--blue)); color: #0B0A17; padding: 12px 26px; border-radius: 999px;
  font-size: 14px; font-weight: 800; text-decoration: none; white-space: nowrap;
  box-shadow: 0 4px 24px rgba(178,102,255,0.45);
  transition: transform .15s, box-shadow .15s;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 30px rgba(178,102,255,0.6); }
.menu-toggle { display: none; background: none; border: none; font-size: 26px; cursor: pointer; color: var(--text-hi); }

/* ===== HERO ===== */
.hero { position: relative; overflow: hidden; padding: 120px 0 130px; min-height: 92vh; display: flex; align-items: center; }
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background-image: url('assets/images/oper-hero-apartment.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.hero-bg::before {
  /* Overlay en capas: más oscuro a la izquierda (detrás del texto), más
     transparente a la derecha (detrás del diagrama) — el departamento debe
     seguir siendo reconocible. */
  content: ""; position: absolute; inset: 0;
  background:
    linear-gradient(100deg, rgba(5,4,16,0.93) 0%, rgba(7,6,18,0.86) 28%, rgba(9,8,24,0.68) 52%, rgba(10,9,26,0.48) 72%, rgba(11,10,28,0.38) 100%),
    radial-gradient(720px 520px at 8% 12%, rgba(178,102,255,0.32), transparent 60%),
    radial-gradient(680px 560px at 90% 78%, rgba(76,109,245,0.3), transparent 60%);
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 46px 46px;
  mix-blend-mode: overlay;
  mask-image: radial-gradient(circle at 50% 30%, black, transparent 75%);
}
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr 1fr; gap: 40px; align-items: center; }
.hero h1 { font-size: 58px; line-height: 1.08; margin-bottom: 22px; letter-spacing: -1.5px; }
.hero .lead { font-size: 19px; color: var(--text-mid); max-width: 520px; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin: 30px 0 24px; }
.btn {
  display: inline-block; padding: 16px 32px; border-radius: 999px; font-weight: 800; font-size: 15.5px;
  text-decoration: none; cursor: pointer; border: 2px solid transparent; transition: transform .15s, opacity .15s, box-shadow .15s;
}
.btn-primary { background: linear-gradient(135deg, var(--violet-light), var(--violet) 50%, var(--blue)); color: #0B0A17; box-shadow: 0 8px 30px rgba(178,102,255,0.45); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 38px rgba(178,102,255,0.6); }
.btn-secondary { background: rgba(255,255,255,0.04); color: var(--text-hi); border-color: rgba(255,255,255,0.25); }
.btn-secondary:hover { border-color: rgba(255,255,255,0.6); }
.btn-disabled { opacity: 0.55; cursor: not-allowed; }
.disclaimer-badge {
  display: inline-block; font-size: 13px; color: var(--text-mid);
  border: 1px solid var(--card-border); padding: 8px 16px; border-radius: 999px; background: rgba(255,255,255,0.03);
}
.domain-note { display: block; margin-top: 14px; font-size: 12px; color: var(--text-muted); }
.program-strip {
  background: var(--bg-1); border-bottom: 1px solid var(--card-border);
  padding: 12px 0; text-align: center; font-size: 13px; color: var(--text-muted);
}

/* ===== ORBIT DIAGRAM ===== */
.orbit-wrap { position: relative; width: 100%; max-width: 480px; aspect-ratio: 1; margin: 0 auto; }
.orbit-ring { position: absolute; border-radius: 50%; border: 1.5px solid rgba(178,102,255,0.4); box-shadow: 0 0 40px rgba(178,102,255,0.18) inset; }
.orbit-ring--outer { inset: 0; }
.orbit-ring--inner { inset: 16%; border-color: rgba(76,109,245,0.4); box-shadow: 0 0 40px rgba(76,109,245,0.2) inset; }
.orbit-center {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 116px; height: 116px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #2c2456, #0d0b1c 70%);
  border: 1px solid rgba(178,102,255,0.35);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
  box-shadow: 0 0 55px rgba(150,95,255,0.5), 0 0 110px rgba(80,110,245,0.25);
}
.orbit-center-chip {
  display: flex; align-items: center; justify-content: center;
  background: rgba(237,235,245,0.97); border-radius: 18px; padding: 10px 14px;
}
.orbit-center-mark { width: 62px; height: auto; display: block; }
.orbit-center-label { font-size: 12px; font-weight: 800; letter-spacing: 2px; color: var(--text-hi); }
.orbit-node {
  position: absolute; width: 118px; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 8px;
  transform: translate(-50%, -50%);
  text-decoration: none; cursor: pointer;
  transition: transform .2s ease;
}
.orbit-node:hover, .orbit-node:focus-visible {
  transform: translate(-50%, -50%) scale(1.07);
}
.orbit-node:hover .orbit-icon, .orbit-node:focus-visible .orbit-icon {
  border-color: rgba(178,102,255,0.7);
  box-shadow: 0 0 30px rgba(178,102,255,0.55);
}
.orbit-node:hover .orbit-label, .orbit-node:focus-visible .orbit-label {
  color: var(--violet-light);
}
.card.card--highlight {
  border-color: rgba(178,102,255,0.9);
  box-shadow: 0 0 0 3px rgba(178,102,255,0.35), 0 0 30px rgba(178,102,255,0.35);
}
.orbit-icon {
  width: 58px; height: 58px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: rgba(150,110,255,0.16); border: 1px solid rgba(200,170,255,0.45);
  box-shadow: 0 0 26px rgba(160,110,255,0.55), 0 0 50px rgba(120,90,255,0.28);
}
.orbit-icon img { width: 28px; height: 28px; filter: drop-shadow(0 0 5px rgba(230,210,255,0.65)); }
.orbit-label { font-size: 12.5px; font-weight: 700; color: var(--text-hi); }
.node-1 { top: 6%;  left: 50%; }
.node-2 { top: 24%; left: 92%; }
.node-3 { top: 62%; left: 96%; }
.node-4 { top: 94%; left: 62%; }
.node-5 { top: 94%; left: 22%; }
.node-6 { top: 24%; left: 6%; }

/* ===== CARDS / GRID ===== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 36px; }
.card {
  background: linear-gradient(160deg, var(--card-bg), #100E22); border: 1px solid var(--card-border); border-radius: 20px;
  padding: 30px; height: 100%; transition: border-color .2s, box-shadow .2s, transform .2s;
}
.card:hover { border-color: rgba(178,102,255,0.5); box-shadow: 0 12px 40px rgba(120,60,220,0.18); transform: translateY(-2px); }
.card-icon {
  width: 48px; height: 48px; border-radius: 14px; background: rgba(178,102,255,0.14);
  display: flex; align-items: center; justify-content: center; margin-bottom: 18px; font-size: 22px;
  box-shadow: 0 0 0 1px rgba(178,102,255,0.18) inset;
}
.card-icon--svg img { width: 24px; height: 24px; }
.card h3 { font-size: 17px; margin-bottom: 8px; }
.card p { font-size: 14px; margin-bottom: 0; color: var(--text-mid); }

/* ===== HOW IT WORKS ===== */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 40px; }
.step { padding: 24px 20px 20px; background: var(--card-bg); border-radius: var(--radius); border: 1px solid var(--card-border); }
.step-num {
  width: 34px; height: 34px; border-radius: 50%; background: var(--grad-brand); color: #0B0A17;
  display: flex; align-items: center; justify-content: center; font-weight: 800; margin-bottom: 14px; font-size: 15px;
}
.step h3 { font-size: 15px; margin-bottom: 6px; }
.step p { font-size: 13.5px; margin-bottom: 0; color: var(--text-mid); }

/* ===== ZONES ===== */
.zones { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.zone-pill {
  background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 999px;
  padding: 10px 20px; font-size: 14px; font-weight: 600; color: var(--text-hi);
}
.zone-note { margin-top: 20px; font-size: 14px; color: var(--text-muted); }

/* ===== OWNER MODEL ===== */
.model-box {
  background: linear-gradient(135deg, #1B1740, #0F1230); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 36px;
  margin-top: 32px; display: grid; grid-template-columns: 1.1fr 1fr; gap: 32px; align-items: center;
}
.model-box h3 { font-size: 20px; }
.model-note { font-size: 13px; color: var(--text-muted); }
.model-list { list-style: none; margin: 0; padding: 0; }
.model-list li { padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.08); font-size: 14px; color: var(--text-hi); }
.model-list li:last-child { border-bottom: none; }
.model-list li strong { color: var(--violet-light); }
.placeholder-tag {
  display: inline-block; background: rgba(245,208,107,0.15); color: var(--warn-text);
  font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 4px; margin-left: 6px; text-transform: uppercase;
}

/* ===== ABOUT ===== */
.about-wrap { display: grid; grid-template-columns: 1fr 1.4fr; gap: 40px; align-items: center; margin-top: 24px; }
.about-photo {
  width: 100%; aspect-ratio: 1; border-radius: var(--radius); background: var(--grad-brand);
  display: flex; align-items: center; justify-content: center; color: #0B0A17; font-size: 15px; font-weight: 800; text-align: center; padding: 20px;
  overflow: hidden;
}
.about-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 25%; border-radius: var(--radius); }

/* ===== FAQ ===== */
.faq-item { border-bottom: 1px solid var(--card-border); padding: 18px 0; }
.faq-q { display: flex; justify-content: space-between; align-items: center; cursor: pointer; font-weight: 700; font-size: 15.5px; color: var(--text-hi); }
.faq-q .plus { font-size: 20px; color: var(--violet-light); transition: transform 0.2s ease; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.25s ease; font-size: 14.5px; }
.faq-item.open .faq-a { max-height: 300px; margin-top: 10px; }
.faq-item.open .plus { transform: rotate(45deg); }

/* ===== CONTACT FORM ===== */
.contact-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 24px; }
form.contact-form { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 32px; }
.form-disabled-banner { background: var(--warn-bg); color: var(--warn-text); font-size: 12.5px; font-weight: 700; padding: 10px 14px; border-radius: 8px; margin-bottom: 20px; }
.form-row { margin-bottom: 18px; }
.form-row label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 6px; color: var(--text-hi); }
.form-row input, .form-row textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--card-border); border-radius: 8px;
  font-family: inherit; font-size: 14px; background: #0F0D22; color: var(--text-mid);
}
.form-row textarea { min-height: 100px; resize: vertical; }
.checkbox-row { display: flex; align-items: flex-start; gap: 8px; font-size: 12.5px; color: var(--text-muted); }
.checkbox-row input { width: auto; margin-top: 3px; }
.checkbox-label { font-weight: 400; }
.checkbox-label a { color: var(--violet-light); }
.form-submit {
  width: 100%; padding: 14px; background: linear-gradient(135deg, var(--violet-light), var(--violet) 50%, var(--blue)); color: #0B0A17; border: none; border-radius: 999px;
  font-weight: 700; font-size: 15px; cursor: pointer; margin-top: 8px; box-shadow: 0 8px 30px rgba(178,102,255,0.45); transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.form-submit:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 10px 38px rgba(178,102,255,0.6); }
.form-submit:disabled { cursor: not-allowed; opacity: 0.7; transform: none; }
.form-note { font-size: 12px; color: var(--text-muted); margin-top: 12px; text-align: center; }
.form-note--success { color: #7CE0A6; }
.form-note--error { color: #FF8A8A; }

/* ===== SCHEDULE ===== */
.schedule-box {
  background: linear-gradient(135deg, #1B1740, #0F1230); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 52px; text-align: center;
}
.schedule-box h2 { color: var(--text-hi); }
.schedule-box p { color: var(--text-mid); max-width: 520px; margin: 0 auto 28px; }
.schedule-note { font-size: 12px; color: var(--text-muted); margin-top: 16px; }

/* ===== PRIVACY ===== */
.privacy-box { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 32px; font-size: 13.5px; color: var(--text-mid); }
.privacy-box h3 { font-size: 16px; }
.privacy-badge { background: var(--warn-bg); color: var(--warn-text); padding: 10px 16px; border-radius: 8px; font-size: 13px; margin-bottom: 20px; display: inline-block; font-weight: 600; }
.privacy-warning { margin-top: 16px; font-weight: 700; color: var(--warn-text); }

/* ===== FOOTER ===== */
footer { background: var(--bg-1); color: var(--text-muted); padding: 40px 0; font-size: 13px; border-top: 1px solid var(--card-border); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-mark { height: 26px; width: auto; display: block; }
.footer-chip {
  display: inline-flex; align-items: center; background: rgba(237,235,245,0.95);
  border-radius: 8px; padding: 4px 8px;
}
footer a { color: var(--text-mid); text-decoration: none; }
.footer-warning { text-align: center; font-size: 11.5px; color: var(--text-muted); margin-top: 14px; }

nav.links.mobile-open {
  display: flex; flex-direction: column; position: absolute; top: 60px; left: 0; right: 0;
  background: var(--bg-1); padding: 20px 24px; border-bottom: 1px solid var(--card-border); gap: 16px; z-index: 150;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 980px) {
  .hero { min-height: 0; padding: 90px 0 80px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 42px; letter-spacing: -1px; }
  .orbit-wrap { max-width: 380px; margin-top: 20px; }
  .grid-3, .steps { grid-template-columns: repeat(2, 1fr); }
  .about-wrap, .contact-wrap, .model-box { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  nav.links { display: none; }
  .menu-toggle { display: block; }
  .grid-3, .steps { grid-template-columns: 1fr; }
  .hero h1 { font-size: 32px; }
  .hero { padding: 60px 0 70px; }
  .section { padding: 56px 0; }
  .schedule-box { padding: 32px 20px; }
  .orbit-wrap { max-width: 300px; }
  .orbit-node { width: 92px; }
  .orbit-icon { width: 46px; height: 46px; }
  .orbit-label { font-size: 10.5px; }
  .orbit-center { width: 84px; height: 84px; }
  .orbit-center-mark { width: 34px; }
  .nav-cta { padding: 8px 14px; font-size: 12px; }
}