/* =============================================
   MARENA — Landing Page Premium
   Paleta: azul oceánico + blanco + dorado/arena
   ============================================= */

:root {
  --navy: #060f1e;
  --navy-mid: #0e1f38;
  --blue-deep: #1a3a5c;
  --blue: #1e4d7b;
  --blue-light: #2563eb;
  --gold: #c9a84c;
  --gold-light: #e0c06a;
  --sand: #f0e8d4;
  --white: #ffffff;
  --gray-100: #f8f9fb;
  --gray-200: #e8ecf0;
  --gray-400: #94a3b8;
  --gray-600: #64748b;
  --text: #1e293b;

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

  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(6,15,30,0.12);
  --shadow-lg: 0 12px 48px rgba(6,15,30,0.2);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font-body); color: var(--text); background: var(--white); overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.2; }

/* ===== CONTAINER ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; border-radius: 8px; font-family: var(--font-body);
  font-size: 0.95rem; font-weight: 500; cursor: pointer;
  transition: var(--transition); border: 2px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--gold); color: var(--navy); border-color: var(--gold);
}
.btn-primary:hover { background: var(--gold-light); border-color: var(--gold-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(201,168,76,0.35); }
.btn-outline {
  background: transparent; color: var(--white); border-color: rgba(255,255,255,0.6);
}
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: var(--white); transform: translateY(-2px); }
.btn-outline-dark {
  background: transparent; color: var(--navy); border-color: var(--navy);
}
.btn-outline-dark:hover { background: var(--navy); color: var(--white); }

/* ===== SECTION LABELS ===== */
.section-label {
  display: inline-block; font-family: var(--font-body); font-size: 0.75rem;
  font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 12px;
}
.section-label.light { color: var(--gold-light); }
.section-title {
  font-family: var(--font-display); font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 600; color: var(--navy); margin-bottom: 16px; line-height: 1.15;
}
.section-title.white { color: var(--white); }
.section-subtitle { font-size: 1.05rem; color: var(--gray-600); max-width: 600px; margin-bottom: 48px; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 20px 0; transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(6,15,30,0.97); backdrop-filter: blur(16px);
  padding: 12px 0; box-shadow: 0 2px 24px rgba(0,0,0,0.3);
}
.nav-container {
  max-width: 1200px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo img { height: 36px; filter: brightness(0) invert(1); }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a {
  font-size: 0.9rem; font-weight: 500; color: rgba(255,255,255,0.85);
  transition: color 0.2s; letter-spacing: 0.02em;
}
.nav-links a:hover { color: var(--gold); }
.nav-cta {
  background: #25D366 !important; color: #ffffff !important;
  padding: 9px 20px; border-radius: 6px; font-weight: 600 !important;
}
.nav-cta:hover { background: #128C7E !important; color: #ffffff !important; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: white; transition: var(--transition); border-radius: 2px; }

/* ===== HERO ===== */
.hero {
  position: relative; height: 100vh; min-height: 640px;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.hero-media {
  position: absolute; inset: 0; z-index: 0;
}
.hero-media video {
  width: 100%; height: 100%; object-fit: cover;
  object-position: center;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(6,15,30,0.82) 0%, rgba(6,15,30,0.55) 60%, rgba(6,15,30,0.7) 100%);
}
.hero-content {
  position: relative; z-index: 1; text-align: center;
  padding: 0 24px; max-width: 800px;
}
.hero-logo { height: 56px; margin: 0 auto 32px; filter: brightness(0) invert(1); }
.hero-title {
  font-family: var(--font-display); font-size: clamp(2.4rem, 6vw, 4rem);
  color: var(--white); font-weight: 600; margin-bottom: 20px; line-height: 1.1;
}
.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.15rem); color: rgba(255,255,255,0.82);
  margin-bottom: 40px; line-height: 1.6; font-weight: 300;
}
.hero-ctas { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-scroll {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  z-index: 1; display: flex; flex-direction: column; align-items: center;
  gap: 8px; color: rgba(255,255,255,0.5); font-size: 0.7rem; letter-spacing: 0.15em;
  text-transform: uppercase;
}
.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse { 0%,100%{opacity:0.3;transform:scaleY(1)} 50%{opacity:1;transform:scaleY(1.1)} }

/* ===== NUMBERS SECTION ===== */
.numbers-section { padding: 100px 0; background: var(--gray-100); }
.numbers-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px;
  background: var(--gray-200); border-radius: var(--radius-lg); overflow: hidden;
  margin-top: 48px; box-shadow: var(--shadow);
}
.number-card {
  background: var(--white); padding: 40px 32px; text-align: center;
  transition: var(--transition);
}
.number-card:hover { background: var(--navy); }
.number-card:hover .number, .number-card:hover .unit, .number-card:hover p { color: var(--white); }
.number-card:hover .unit { color: var(--gold); }
.number { font-family: var(--font-display); font-size: 2.8rem; font-weight: 700; color: var(--navy); line-height: 1; }
.unit { font-size: 1.2rem; font-weight: 600; color: var(--gold); margin-left: 2px; }
.number-card p { font-size: 0.9rem; color: var(--gray-600); margin-top: 8px; font-weight: 400; line-height: 1.4; }

/* ===== TORRES SECTION ===== */
.torres-section { padding: 100px 0; }
.torres-section .section-subtitle { margin-bottom: 48px; }
.torres-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.torre-card {
  border: 1px solid var(--gray-200); border-radius: var(--radius-lg);
  padding: 36px 32px; transition: var(--transition); background: var(--white);
  position: relative; overflow: hidden;
}
.torre-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--blue-light));
  transform: scaleX(0); transition: transform 0.3s ease; transform-origin: left;
}
.torre-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: transparent; }
.torre-card:hover::before { transform: scaleX(1); }
.torre-destacada { border-color: var(--gold); background: linear-gradient(135deg, #fffcf0 0%, #fff9e6 100%); }
.torre-destacada::before { background: linear-gradient(90deg, var(--gold), var(--gold-light)); transform: scaleX(1); }
.torre-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.torre-number { font-family: var(--font-display); font-size: 2rem; font-weight: 700; color: var(--gray-200); }
.torre-badge {
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  background: var(--blue-light); color: white; padding: 4px 10px; border-radius: 20px;
}
.torre-badge-gold { background: var(--gold); color: var(--navy); }
.torre-name { font-family: var(--font-display); font-size: 1.5rem; color: var(--navy); margin-bottom: 12px; }
.torre-desc { font-size: 0.92rem; color: var(--gray-600); line-height: 1.65; margin-bottom: 24px; }
.torre-cta {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--navy); color: white; padding: 11px 22px;
  border-radius: 8px; font-size: 0.875rem; font-weight: 500;
  transition: var(--transition);
}
.torre-cta:hover { background: var(--blue); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(6,15,30,0.3); }
.torre-destacada .torre-cta { background: var(--gold); color: var(--navy); }
.torre-destacada .torre-cta:hover { background: var(--gold-light); }

/* ===== CRYSTAL LAGOONS ===== */
.crystal-section { background: var(--navy); padding: 100px 0; overflow: hidden; }
.crystal-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.crystal-desc { color: rgba(255,255,255,0.75); font-size: 1rem; line-height: 1.75; margin-bottom: 40px; }
.crystal-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.crystal-stat { border-left: 2px solid var(--gold); padding-left: 16px; }
.crystal-number { font-family: var(--font-display); font-size: 2rem; font-weight: 700; color: var(--gold); display: block; }
.crystal-stat p { font-size: 0.82rem; color: rgba(255,255,255,0.6); margin-top: 4px; line-height: 1.4; }
.crystal-img-grid { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: auto auto; gap: 12px; }
.crystal-img { width: 100%; border-radius: var(--radius); object-fit: cover; }
.crystal-img.main-img { grid-column: 1 / -1; height: 260px; }
.crystal-img:not(.main-img) { height: 160px; }

/* ===== AMENITIES ===== */
.amenities-section { padding: 100px 0; background: var(--gray-100); }
.amenities-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; }
.amenity-item { border-radius: var(--radius); overflow: hidden; position: relative; group: true; }
.amenity-item img { width: 100%; height: 220px; object-fit: cover; transition: transform 0.5s ease; }
.amenity-item:hover img { transform: scale(1.06); }
.amenity-item p {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(6,15,30,0.9), transparent);
  color: white; padding: 40px 16px 16px; font-size: 0.85rem; font-weight: 500;
}

/* ===== RENTALS SECTION ===== */
.rentals-section { padding: 100px 0; }
.rentals-highlight {
  display: inline-flex; align-items: center; gap: 16px;
  background: linear-gradient(135deg, var(--navy), var(--blue-deep));
  color: white; padding: 20px 36px; border-radius: var(--radius-lg);
  margin-bottom: 48px;
}
.rentals-number { font-family: var(--font-display); font-size: 2.8rem; font-weight: 700; color: var(--gold); }
.rentals-highlight p { font-size: 0.9rem; color: rgba(255,255,255,0.8); max-width: 180px; line-height: 1.4; }
.rentals-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.rental-card {
  border: 1px solid var(--gray-200); border-radius: var(--radius-lg);
  overflow: hidden; transition: var(--transition);
}
.rental-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.rental-img { width: 100%; height: 240px; object-fit: cover; }
.rental-info { padding: 32px; }
.rental-info h3 { font-family: var(--font-display); font-size: 1.4rem; color: var(--navy); margin-bottom: 8px; }
.rental-tagline { font-size: 0.88rem; color: var(--gold); font-weight: 500; font-style: italic; margin-bottom: 20px; }
.rental-features { list-style: none; margin-bottom: 28px; }
.rental-features li {
  font-size: 0.9rem; color: var(--gray-600); padding: 6px 0; padding-left: 20px;
  position: relative; border-bottom: 1px solid var(--gray-100);
}
.rental-features li::before { content: '✓'; position: absolute; left: 0; color: var(--gold); font-weight: 700; }

/* ===== UBICACIÓN ===== */
.ubicacion-section {
  padding: 100px 0; position: relative;
  background-size: cover; background-position: center; background-attachment: fixed;
}
.ubicacion-overlay { position: absolute; inset: 0; background: rgba(6,15,30,0.82); }
.ubicacion-inner {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center;
}
.ubicacion-desc { color: rgba(255,255,255,0.75); margin-bottom: 32px; line-height: 1.7; }
.distancias { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.distancia-item {
  background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius); padding: 16px 20px;
}
.distancia-time { font-family: var(--font-display); font-size: 1.4rem; color: var(--gold); display: block; }
.distancia-item p { font-size: 0.8rem; color: rgba(255,255,255,0.65); margin-top: 4px; line-height: 1.4; }
.ubicacion-map { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.ubicacion-map iframe { display: block; }

/* ===== EQUIPO ===== */
.equipo-section { padding: 100px 0; background: var(--gray-100); }
.equipo-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 48px; }
.equipo-card {
  background: white; border-radius: var(--radius-lg); padding: 32px 24px;
  text-align: center; box-shadow: var(--shadow); transition: var(--transition);
}
.equipo-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.equipo-logo { height: 56px; object-fit: contain; margin: 0 auto 16px; max-width: 140px; }
.equipo-role { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--gold); margin-bottom: 8px; }
.equipo-desc { font-size: 0.83rem; color: var(--gray-600); line-height: 1.5; }

/* ===== FAQ ===== */
.faq-section { padding: 100px 0; }
.faq-list { margin-top: 48px; max-width: 800px; }
.faq-item { border-bottom: 1px solid var(--gray-200); }
.faq-question {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 22px 0; background: none; border: none; cursor: pointer;
  font-family: var(--font-body); font-size: 1rem; font-weight: 500;
  color: var(--navy); text-align: left; gap: 16px; transition: color 0.2s;
}
.faq-question:hover { color: var(--blue-light); }
.faq-icon {
  width: 28px; height: 28px; border-radius: 50%; background: var(--gray-100);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: var(--transition); color: var(--navy);
}
.faq-item.active .faq-icon { background: var(--gold); color: var(--navy); transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.35s ease; }
.faq-answer p { padding: 0 0 22px; font-size: 0.95rem; color: var(--gray-600); line-height: 1.75; }

/* ===== CONTACTO ===== */
.contacto-section { padding: 100px 0; background: linear-gradient(135deg, var(--navy) 0%, var(--blue-deep) 100%); }
.contacto-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.contacto-text .section-title { margin-bottom: 16px; }
.contacto-text > p { color: rgba(255,255,255,0.75); margin-bottom: 32px; line-height: 1.7; }
.contacto-info { display: flex; flex-direction: column; gap: 10px; }
.contacto-info p { color: rgba(255,255,255,0.7); font-size: 0.9rem; }
.contacto-form {
  background: white; border-radius: var(--radius-lg); padding: 40px;
  box-shadow: var(--shadow-lg);
}
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 500; color: var(--navy); margin-bottom: 6px; }
.form-group input, .form-group select {
  width: 100%; padding: 12px 16px; border: 1.5px solid var(--gray-200);
  border-radius: 8px; font-family: var(--font-body); font-size: 0.95rem;
  color: var(--text); background: white; transition: border-color 0.2s;
  appearance: none;
}
.form-group input:focus, .form-group select:focus {
  outline: none; border-color: var(--blue-light); box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}
.form-submit {
  width: 100%; padding: 15px; background: var(--gold); color: var(--navy);
  border: none; border-radius: 8px; font-family: var(--font-body); font-size: 1rem;
  font-weight: 600; cursor: pointer; transition: var(--transition);
}
.form-submit:hover { background: var(--gold-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(201,168,76,0.4); }
.form-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
.form-success {
  display: none; text-align: center; padding: 20px;
  color: #166534; background: #dcfce7; border-radius: 8px; margin-top: 16px;
  font-weight: 500;
}

/* ===== FOOTER ===== */
.footer { background: var(--navy); color: rgba(255,255,255,0.5); padding: 40px 0; }
.footer-inner {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
}
.footer-logo img { height: 28px; filter: brightness(0) invert(1); opacity: 0.5; }
.footer-links { display: flex; gap: 24px; flex-wrap: wrap; }
.footer-links a { font-size: 0.82rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--gold); }
.footer-copy { font-size: 0.78rem; }

/* ===== LUCAS WIDGET ===== */
.lucas-widget { position: fixed; bottom: 28px; right: 28px; z-index: 9999; }
.lucas-btn {
  display: flex; align-items: center; gap: 10px;
  background: linear-gradient(135deg, var(--navy), var(--blue-deep));
  color: white; border: none; border-radius: 50px; padding: 14px 20px;
  cursor: pointer; box-shadow: 0 8px 32px rgba(6,15,30,0.4);
  font-family: var(--font-body); font-size: 0.9rem; font-weight: 600;
  transition: var(--transition);
}
.lucas-btn:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(6,15,30,0.5); }
.lucas-btn-avatar {
  width: 36px; height: 36px; background: var(--gold); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.85rem; color: var(--navy); flex-shrink: 0;
}
.lucas-btn-dot {
  width: 9px; height: 9px; background: #22c55e; border-radius: 50%;
  border: 2px solid var(--navy); position: absolute;
  bottom: 14px; right: calc(100% - 42px);
}
.lucas-btn span { padding-right: 4px; }

.lucas-modal {
  display: none; position: fixed; bottom: 90px; right: 28px;
  width: 380px; max-height: min(580px, calc(100vh - 110px));
  background: white; border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(6,15,30,0.25);
  flex-direction: column; overflow: hidden;
  animation: slideUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 9998;
}
.lucas-modal.open { display: flex; }
@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.lucas-header {
  background: linear-gradient(135deg, var(--navy), var(--blue-deep));
  padding: 16px 20px; display: flex; align-items: center; gap: 12px;
}
.lucas-header-avatar {
  width: 40px; height: 40px; background: var(--gold); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: var(--navy); font-size: 0.9rem; flex-shrink: 0;
}
.lucas-header-info { flex: 1; }
.lucas-header-name { color: white; font-weight: 600; font-size: 0.95rem; }
.lucas-header-status { color: rgba(255,255,255,0.65); font-size: 0.75rem; display: flex; align-items: center; gap: 5px; }
.lucas-header-status::before { content: ''; display: block; width: 7px; height: 7px; background: #22c55e; border-radius: 50%; }
.lucas-close {
  background: none; border: none; color: rgba(255,255,255,0.6); cursor: pointer;
  padding: 4px; border-radius: 4px; transition: color 0.2s;
}
.lucas-close:hover { color: white; }
.lucas-messages {
  flex: 1; overflow-y: auto; padding: 20px;
  display: flex; flex-direction: column; gap: 14px;
  background: var(--navy);
}
.lucas-messages::-webkit-scrollbar { width: 4px; }
.lucas-messages::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 4px; }
.msg { display: flex; gap: 8px; align-items: flex-end; }
.msg.user { flex-direction: row-reverse; }
.msg-bubble {
  max-width: 80%; padding: 10px 14px; border-radius: 16px;
  font-size: 0.88rem; line-height: 1.55;
}
.msg.lucas .msg-bubble { background: var(--blue-deep); color: rgba(255,255,255,0.92); border-radius: 16px 16px 16px 4px; }
.msg.user .msg-bubble { background: var(--gold); color: var(--navy); font-weight: 500; border-radius: 16px 16px 4px 16px; }
.msg-avatar {
  width: 28px; height: 28px; background: var(--gold); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.65rem; font-weight: 700; color: var(--navy); flex-shrink: 0;
}
.lucas-typing {
  display: none; align-items: flex-end; gap: 8px;
}
.lucas-typing.show { display: flex; }
.typing-bubble {
  background: var(--blue-deep); padding: 10px 14px; border-radius: 16px 16px 16px 4px;
}
.typing-dots { display: flex; gap: 4px; }
.typing-dots span {
  width: 6px; height: 6px; background: rgba(255,255,255,0.45); border-radius: 50%;
  animation: typingBounce 1.2s ease-in-out infinite;
}
.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typingBounce { 0%,60%,100%{transform:translateY(0)} 30%{transform:translateY(-6px)} }
.lucas-input-area {
  padding: 14px 16px; background: var(--navy-mid); border-top: 1px solid rgba(255,255,255,0.08);
  display: flex; gap: 10px; align-items: center;
}
.lucas-input {
  flex: 1; padding: 10px 14px; border: 1.5px solid rgba(255,255,255,0.12);
  border-radius: 24px; font-family: var(--font-body); font-size: 0.88rem;
  outline: none; transition: border-color 0.2s;
  background: rgba(255,255,255,0.07); color: white;
}
.lucas-input::placeholder { color: rgba(255,255,255,0.35); }
.lucas-input:focus { border-color: var(--gold); }
.lucas-send {
  width: 38px; height: 38px; background: var(--gold); border: none;
  border-radius: 50%; cursor: pointer; display: flex; align-items: center;
  justify-content: center; transition: var(--transition); flex-shrink: 0;
}
.lucas-send:hover { background: var(--gold-light); transform: scale(1.08); }
.lucas-send:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

/* ===== MOBILE NAV OPEN ===== */
@media (max-width: 768px) {
  .nav-links {
    display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(6,15,30,0.98); flex-direction: column; justify-content: center;
    align-items: center; gap: 32px; font-size: 1.2rem; z-index: 999;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; z-index: 1001; position: relative; }

  .numbers-grid { grid-template-columns: repeat(2, 1fr); }
  .torres-grid { grid-template-columns: 1fr; }
  .crystal-inner { grid-template-columns: 1fr; gap: 40px; }
  .crystal-stats { grid-template-columns: repeat(3, 1fr); }
  .amenities-grid { grid-template-columns: repeat(2, 1fr); }
  .rentals-grid { grid-template-columns: 1fr; }
  .ubicacion-inner { grid-template-columns: 1fr; }
  .equipo-grid { grid-template-columns: repeat(2, 1fr); }
  .contacto-inner { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
  .lucas-modal { width: calc(100vw - 32px); right: 16px; bottom: 85px; max-height: calc(100vh - 110px); }
  .hero-ctas { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
  .numbers-grid { grid-template-columns: 1fr; }
  .crystal-stats { grid-template-columns: 1fr; }
  .amenities-grid { grid-template-columns: 1fr; }
  .equipo-grid { grid-template-columns: 1fr; }
  .distancias { grid-template-columns: 1fr; }
}

/* ===== SCROLL ANIMATIONS ===== */
.reveal {
  opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }