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

:root {
  --azul-oscuro: #0a2a6e;
  --azul-medio: #1456b8;
  --azul-claro: #4aa8e8;
  --azul-brillante: #5dc8f5;
  --dorado: #f5c518;
  --dorado-oscuro: #d4a017;
  --blanco: #ffffff;
  --gris-claro: #f0f6ff;
  --texto: #1a1a2e;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Nunito', sans-serif;
  color: var(--texto);
  background: var(--blanco);
  overflow-x: hidden;
}

/* ── NAVBAR ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(10, 42, 110, 0.97);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  height: 70px;
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
}

.nav-logo img {
  height: 48px;
  filter: drop-shadow(0 0 8px rgba(93,200,245,0.5));
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 0.3rem;
}

.nav-links a {
  text-decoration: none;
  color: rgba(255,255,255,0.85);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  transition: all 0.2s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%; right: 50%;
  height: 2px;
  background: var(--azul-brillante);
  transition: all 0.3s;
  border-radius: 2px;
}

.nav-links a:hover {
  color: var(--azul-brillante);
  background: rgba(93,200,245,0.1);
}

.nav-links a:hover::after { left: 10%; right: 10%; }

.nav-cta {
  background: linear-gradient(135deg, var(--azul-claro), var(--azul-brillante)) !important;
  color: var(--azul-oscuro) !important;
  font-weight: 900 !important;
  padding: 0.5rem 1.3rem !important;
  border-radius: 50px !important;
  box-shadow: 0 4px 15px rgba(93,200,245,0.4);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(93,200,245,0.6) !important;
  background: linear-gradient(135deg, var(--azul-brillante), #80dfff) !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
}
.hamburger span {
  display: block;
  width: 26px; height: 3px;
  background: white;
  border-radius: 3px;
  transition: all 0.3s;
}

/* ── SLIDER ── */
#inicio {
  margin-top: 70px;
  position: relative;
  overflow: hidden;
  height: calc(100vh - 70px);
  min-height: 500px;
}

.slides {
  display: flex;
  height: 100%;
  transition: transform 0.7s cubic-bezier(0.77,0,0.175,1);
}

.slide {
  min-width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.slide:nth-child(1) .slide-bg { background: linear-gradient(135deg, #0a2a6e 0%, #1456b8 40%, #0d3a8a 70%, #051a4a 100%); }
.slide:nth-child(2) .slide-bg { background: linear-gradient(135deg, #051a4a 0%, #0d3a8a 50%, #1a6fd4 100%); }
.slide:nth-child(3) .slide-bg { background: linear-gradient(135deg, #0e3060 0%, #1456b8 60%, #4aa8e8 100%); }

.slide-bg::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(93,200,245,0.15) 0%, transparent 70%);
  top: -100px; right: -100px;
}
.slide-bg::after {
  content: '';
  position: absolute;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(74,168,232,0.12) 0%, transparent 70%);
  bottom: -80px; left: -80px;
}

.slide-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(93,200,245,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(93,200,245,0.05) 1px, transparent 1px);
  background-size: 50px 50px;
}

.slide-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem;
  animation: fadeUp 0.8s ease forwards;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.slide-icon { font-size: 3.5rem; margin-bottom: 1rem; display: block; }

.slide-content h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  color: white;
  line-height: 1.1;
  margin-bottom: 1rem;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.slide-content h2 span { color: var(--azul-brillante); }

.slide-content p {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255,255,255,0.85);
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

.slide-btn {
  display: inline-block;
  padding: 0.9rem 2.5rem;
  background: linear-gradient(135deg, var(--azul-claro), var(--azul-brillante));
  color: var(--azul-oscuro);
  font-weight: 900;
  font-size: 1rem;
  text-decoration: none;
  border-radius: 50px;
  box-shadow: 0 8px 25px rgba(93,200,245,0.4);
  transition: all 0.3s;
  letter-spacing: 0.03em;
}

.slide-btn:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 12px 35px rgba(93,200,245,0.6);
}

.slider-btn {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  z-index: 10;
  background: rgba(255,255,255,0.15);
  border: 2px solid rgba(255,255,255,0.3);
  color: white;
  width: 50px; height: 50px;
  border-radius: 50%;
  font-size: 1.3rem;
  cursor: pointer;
  transition: all 0.3s;
  backdrop-filter: blur(5px);
}
.slider-btn:hover { background: rgba(93,200,245,0.3); border-color: var(--azul-brillante); }
.slider-btn.prev { left: 1.5rem; }
.slider-btn.next { right: 1.5rem; }

.slider-dots {
  position: absolute;
  bottom: 1.5rem; left: 50%;
  transform: translateX(-50%);
  display: flex; gap: 0.5rem;
  z-index: 10;
}

.dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: all 0.3s;
  border: none;
}
.dot.active {
  background: var(--azul-brillante);
  transform: scale(1.3);
  box-shadow: 0 0 10px var(--azul-brillante);
}

/* ── SECTIONS ── */
section { padding: 6rem 2rem; }

.container { max-width: 1100px; margin: 0 auto; }

.section-header { text-align: center; margin-bottom: 3.5rem; }

.section-tag {
  display: inline-block;
  background: linear-gradient(135deg, var(--azul-medio), var(--azul-claro));
  color: white;
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 0.35rem 1.2rem;
  border-radius: 50px;
  margin-bottom: 1rem;
}

.section-header h2 {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  color: var(--azul-oscuro);
  line-height: 1.2;
  margin-bottom: 0.8rem;
}

.section-header p {
  font-size: 1.1rem;
  color: #555;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ── NOSOTROS ── */
#nosotros { background: var(--gris-claro); }

.nosotros-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.nosotros-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nosotros-circle {
  width: 320px; height: 320px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--azul-oscuro), var(--azul-medio));
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 20px 60px rgba(20,86,184,0.35);
  position: relative;
}

.nosotros-circle::before {
  content: '';
  position: absolute;
  inset: -15px;
  border-radius: 50%;
  border: 2px dashed rgba(93,200,245,0.3);
  animation: rotateSlow 20s linear infinite;
}

@keyframes rotateSlow { to { transform: rotate(360deg); } }

.nosotros-circle img {
  width: 180px;
  filter: drop-shadow(0 0 20px rgba(93,200,245,0.6));
}

.nosotros-text h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--azul-oscuro);
  margin-bottom: 1rem;
}

.nosotros-text p {
  color: #555;
  line-height: 1.8;
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

.stats-row { display: flex; gap: 1.5rem; margin-top: 2rem; }

.stat {
  text-align: center;
  background: white;
  border-radius: 16px;
  padding: 1.2rem 1.5rem;
  box-shadow: 0 4px 20px rgba(20,86,184,0.1);
  flex: 1;
  border-top: 3px solid var(--azul-claro);
}

.stat strong {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--azul-medio);
}

.stat span { font-size: 0.85rem; color: #777; font-weight: 600; }

/* ── SECCIÓN SERVICIOS (cards) ── */
.servicios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.servicio-card {
  background: white;
  border-radius: 16px;
  padding: 1.8rem 1.5rem;
  box-shadow: 0 4px 20px rgba(20,86,184,0.08);
  border-top: 3px solid var(--azul-claro);
  transition: transform 0.3s, box-shadow 0.3s;
}

.servicio-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 35px rgba(20,86,184,0.15);
  border-top-color: var(--azul-medio);
}

.servicio-icon {
  font-size: 2.2rem;
  margin-bottom: 0.8rem;
  display: block;
}

.servicio-card h4 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 800;
  color: var(--azul-oscuro);
  margin-bottom: 0.6rem;
}

.servicio-card p {
  font-size: 0.9rem;
  color: #666;
  line-height: 1.65;
}

/* Valores en nosotros */
.valores-list {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin: 1rem 0;
}

.valor-item {
  font-size: 0.95rem;
  color: #444;
  font-weight: 600;
  padding: 0.3rem 0;
}

@media (max-width: 900px) {
  .servicios-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .servicios-grid { grid-template-columns: 1fr; }
}

/* ── SERVICIOS / PLANES ── */
#servicios { background: var(--azul-oscuro); }

#servicios .section-header h2 { color: white; }
#servicios .section-header p { color: rgba(255,255,255,0.7); }

.aviso-instalacion {
  text-align: center;
  margin-top: 2.5rem;
  color: rgba(21, 6, 97, 0.85);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 1rem 2rem;
  border: 1px solid rgba(93,200,245,0.3);
  border-radius: 12px;
  background: rgba(93,200,245,0.07);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.planes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

/* Card base */
.plan-card {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
  transition: transform 0.3s, box-shadow 0.3s;
  background: #0d3580;
  border: 1px solid rgba(93,200,245,0.2);
}

.plan-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}

.plan-card.featured {
  border: 2px solid var(--dorado);
  transform: scale(1.04);
  box-shadow: 0 15px 50px rgba(245,197,24,0.3);
  background: #0e3a90;
}

.plan-card.featured:hover { transform: scale(1.04) translateY(-8px); }

/* Header */
.plan-header {
  padding: 1.8rem 1.5rem 1.5rem;
  text-align: center;
  position: relative;
  background: rgba(255,255,255,0.05);
  border-bottom: 1px solid rgba(93,200,245,0.15);
}

.plan-card.featured .plan-header { border-bottom-color: rgba(245,197,24,0.3); }

.plan-icon { font-size: 2.2rem; margin-bottom: 0.4rem; }

.plan-header h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.1rem;
  font-weight: 800;
  color: rgba(255,255,255,0.75);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.8rem;
}

/* Velocidad grande */
.plan-speed-block {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.3rem;
  margin-bottom: 0.2rem;
}

.plan-speed-num {
  font-family: 'Montserrat', sans-serif;
  font-size: 3.5rem;
  font-weight: 900;
  color: white;
  line-height: 1;
}

.plan-speed-unit {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--azul-brillante);
}

.plan-card.featured .plan-speed-unit { color: var(--dorado); }

/* Precio */
.plan-precio-block {
  margin-top: 1rem;
}

.plan-precio-internet {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--dorado);
  border-radius: 10px;
  padding: 0.6rem 1rem;
  margin-bottom: 0.6rem;
}

.plan-card:not(.featured) .plan-precio-internet { background: var(--dorado); }
.plan-card.featured .plan-precio-internet { background: var(--dorado); }

.precio-label {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--azul-oscuro);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.precio-valor {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--azul-oscuro);
}

/* Precio con TV */
.plan-precio-tv {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: rgba(93,200,245,0.15);
  border: 1px solid rgba(93,200,245,0.3);
  border-radius: 10px;
  padding: 0.5rem 1rem;
}

.tv-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--azul-brillante);
}

.tv-valor {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.2rem;
  font-weight: 900;
  color: white;
}

/* Body */
.plan-body { padding: 1.5rem; }

.plan-features {
  list-style: none;
  margin-bottom: 1.5rem;
}

.plan-features li {
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(93,200,245,0.1);
  color: rgba(255,255,255,0.8);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.plan-features li .check {
  color: #4cde80;
  font-weight: 900;
  font-size: 1rem;
  flex-shrink: 0;
}

.plan-btn {
  display: block;
  text-align: center;
  padding: 0.9rem;
  background: linear-gradient(135deg, var(--azul-claro), var(--azul-brillante));
  color: var(--azul-oscuro);
  text-decoration: none;
  border-radius: 10px;
  font-weight: 900;
  font-size: 0.95rem;
  font-family: 'Montserrat', sans-serif;
  transition: all 0.3s;
  letter-spacing: 0.03em;
}

.plan-card.featured .plan-btn {
  background: linear-gradient(135deg, var(--dorado-oscuro), var(--dorado));
  color: var(--azul-oscuro);
}

.plan-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(93,200,245,0.4);
}

.plan-card.featured .plan-btn:hover {
  box-shadow: 0 6px 20px rgba(245,197,24,0.4);
}

.badge-popular {
  display: inline-block;
  background: var(--dorado);
  color: var(--azul-oscuro);
  font-size: 0.7rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.25rem 0.8rem;
  border-radius: 50px;
  margin-top: 0.4rem;
}

/* Streaming badges */
.streaming-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

.stream-badge {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: white;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  letter-spacing: 0.04em;
}

/* ── COBERTURA ── */
#cobertura { background: var(--gris-claro); }

.cobertura-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.cobertura-map {
  background: linear-gradient(135deg, var(--azul-oscuro), var(--azul-medio));
  border-radius: 20px;
  padding: 2.5rem;
  min-height: 350px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow: 0 15px 50px rgba(20,86,184,0.3);
  position: relative;
  overflow: hidden;
}

.cobertura-map::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(93,200,245,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(93,200,245,0.07) 1px, transparent 1px);
  background-size: 30px 30px;
}

.map-icon { font-size: 5rem; margin-bottom: 1rem; position: relative; z-index: 1; }

.cobertura-map h3 {
  font-family: 'Montserrat', sans-serif;
  color: white;
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  position: relative;
  z-index: 1;
}

.cobertura-map p {
  color: rgba(255,255,255,0.75);
  position: relative;
  z-index: 1;
  font-size: 0.95rem;
}

.zonas-list { display: flex; flex-direction: column; gap: 1rem; }

.zona-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: white;
  border-radius: 14px;
  padding: 1.2rem 1.5rem;
  box-shadow: 0 4px 15px rgba(20,86,184,0.08);
  border-left: 4px solid var(--azul-claro);
  transition: all 0.3s;
}

.zona-item:hover { transform: translateX(6px); box-shadow: 0 8px 25px rgba(20,86,184,0.15); }

.zona-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--azul-claro);
  flex-shrink: 0;
  box-shadow: 0 0 10px rgba(74,168,232,0.5);
}

.zona-item span { font-weight: 700; color: var(--azul-oscuro); font-size: 1rem; }

/* ── CONTACTO ── */
#contacto {
  background: linear-gradient(135deg, var(--azul-oscuro) 0%, var(--azul-medio) 100%);
  position: relative;
  overflow: hidden;
}

#contacto::before {
  content: '';
  position: absolute;
  width: 800px; height: 800px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(93,200,245,0.1) 0%, transparent 70%);
  top: -200px; right: -200px;
}

#contacto .section-header h2 { color: white; }
#contacto .section-header p { color: rgba(255,255,255,0.75); }

.contacto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  position: relative;
  z-index: 1;
}

.contacto-info { display: flex; flex-direction: column; gap: 1.2rem; }

.contacto-item {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  background: rgba(255,255,255,0.1);
  border-radius: 14px;
  padding: 1.2rem 1.5rem;
  backdrop-filter: blur(5px);
  border: 1px solid rgba(255,255,255,0.15);
  color: white;
  transition: all 0.3s;
}

.contacto-item:hover { background: rgba(255,255,255,0.15); transform: translateX(4px); }

.contacto-icon { font-size: 1.8rem; flex-shrink: 0; }

.contacto-item div strong {
  display: block;
  font-weight: 800;
  margin-bottom: 0.2rem;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--azul-brillante);
}

.contacto-item div span { font-size: 1rem; color: rgba(255,255,255,0.9); }

.contacto-form {
  background: white;
  border-radius: 20px;
  padding: 2rem;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}

.contacto-form h3 {
  font-family: 'Montserrat', sans-serif;
  color: var(--azul-oscuro);
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
}

.form-group { margin-bottom: 1rem; }

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--azul-oscuro);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 2px solid #e8eef8;
  border-radius: 10px;
  font-family: 'Nunito', sans-serif;
  font-size: 0.95rem;
  color: var(--texto);
  outline: none;
  transition: border-color 0.3s;
  background: #fafcff;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus { border-color: var(--azul-claro); background: white; }

.form-group textarea { resize: vertical; min-height: 100px; }

.form-submit {
  width: 100%;
  padding: 1rem;
  background: linear-gradient(135deg, var(--azul-medio), var(--azul-claro));
  color: white;
  border: none;
  border-radius: 10px;
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.3s;
  letter-spacing: 0.03em;
}

.form-submit:hover {
  background: linear-gradient(135deg, var(--azul-oscuro), var(--azul-medio));
  box-shadow: 0 8px 25px rgba(20,86,184,0.4);
  transform: translateY(-2px);
}

/* ── FOOTER ── */
footer {
  background: var(--azul-oscuro);
  color: rgba(255,255,255,0.6);
  text-align: center;
  padding: 2rem;
  font-size: 0.9rem;
  border-top: 1px solid rgba(93,200,245,0.2);
}

footer strong { color: var(--azul-brillante); }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .nosotros-grid,
  .contacto-grid,
  .cobertura-grid { grid-template-columns: 1fr; }

  .planes-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }

  .plan-card.featured { transform: none; }
  .plan-card.featured:hover { transform: translateY(-8px); }

  .nosotros-circle { width: 220px; height: 220px; }
  .nosotros-circle img { width: 120px; }

  .nav-links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 70px; left: 0; right: 0;
    background: var(--azul-oscuro);
    padding: 1rem;
    gap: 0;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 0.8rem 1.5rem; border-radius: 0; border-bottom: 1px solid rgba(255,255,255,0.1); }
  .hamburger { display: flex; }
}