/* ═══════════════════════════════════════════
   RÜPÜL — Landing rupul.cl
   Paleta 60-30-10:
     Primarios: Bosque #2D5A3D · Nocturno #1B2A4A
     Secundarios: Arena #D9C7A7 · Roca #7A848D
     Acento: Dorado #C9A227
     Fondo: Nube #F5F3EE
═══════════════════════════════════════════ */

/* ─── Variables ─── */
:root {
  --bosque: #2D5A3D;
  --nocturno: #1B2A4A;
  --arena: #D9C7A7;
  --roca: #7A848D;
  --dorado: #C9A227;
  --nube: #F5F3EE;
  --blanco: #FFFFFF;
  --texto: #2c2c2c;
  --texto-light: #a8b0bc;

  --font-display: 'Poppins', sans-serif;
  --font-body: 'Inter', sans-serif;

  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(27, 42, 74, 0.08);
  --shadow-lg: 0 12px 40px rgba(27, 42, 74, 0.12);
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--texto);
  background: var(--nube);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── Botones ─── */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  text-align: center;
}
.btn-gold {
  background: var(--dorado);
  color: var(--nocturno);
}
.btn-gold:hover {
  background: #b8911f;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(201, 162, 39, 0.3);
}
.btn-outline-light {
  border-color: rgba(255,255,255,0.6);
  color: var(--blanco);
  background: transparent;
}
.btn-outline-light:hover {
  border-color: var(--dorado);
  color: var(--dorado);
  transform: translateY(-2px);
}
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.btn-full { width: 100%; }
.btn-disabled {
  background: #e8e6e1;
  color: #999;
  cursor: default;
  border: none;
}

/* ─── Tipografía de sección ─── */
.section { padding: 80px 0; }
.section-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--dorado);
  margin-bottom: 12px;
}
.section-tag-light { color: var(--dorado); }
.section-title {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--nocturno);
  margin-bottom: 20px;
  line-height: 1.25;
}
.section-title-light { color: var(--blanco); }
.section-body {
  font-size: 1.05rem;
  color: #555;
  max-width: 560px;
}

/* ═══════════════════════════════════════════
   NAVBAR
═══════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(245, 243, 238, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(27,42,74,0.08);
  padding: 10px 0;
}
.nav-container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo-img { height: 40px; }
.navbar:not(.scrolled) .nav-logo-img {
  filter: brightness(0) invert(1);
}
.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}
.nav-link {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--blanco);
  transition: var(--transition);
}
.navbar.scrolled .nav-link { color: var(--nocturno); }
.nav-link:hover { color: var(--dorado); }
.nav-cta {
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  background: var(--dorado);
  color: var(--nocturno) !important;
  font-weight: 600;
}
.nav-cta:hover {
  background: #b8911f;
  color: var(--nocturno) !important;
}
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav-burger span {
  width: 24px;
  height: 2.5px;
  background: var(--blanco);
  border-radius: 2px;
  transition: var(--transition);
}
.navbar.scrolled .nav-burger span { background: var(--nocturno); }
.nav-burger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-burger.active span:nth-child(2) { opacity: 0; }
.nav-burger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ═══════════════════════════════════════════
   HERO
═══════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #0f1b33 0%, var(--nocturno) 40%, #243b5e 100%);
  overflow: hidden;
}
.hero-stars {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.star {
  position: absolute;
  background: var(--blanco);
  border-radius: 50%;
  animation: twinkle 3s ease-in-out infinite alternate;
}
@keyframes twinkle {
  0% { opacity: 0.2; }
  100% { opacity: 1; }
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
  max-width: 720px;
}
.hero-title {
  font-family: var(--font-display);
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--blanco);
  line-height: 1.15;
  margin-bottom: 20px;
}
.hero-accent { color: var(--dorado); }
.hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 36px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}
.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-mountains {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 1;
}
.mountains-svg {
  width: 100%;
  height: 280px;
  display: block;
}

/* ═══════════════════════════════════════════
   NOSOTROS
═══════════════════════════════════════════ */
.nosotros { background: var(--nube); }
.nosotros-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.nosotros-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.stat-card {
  background: var(--blanco);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat-number {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--bosque);
}
.stat-label {
  font-size: 0.85rem;
  color: var(--roca);
}

/* ═══════════════════════════════════════════
   MARCAS
═══════════════════════════════════════════ */
.marcas { background: var(--blanco); }
.marcas-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 40px;
}
.marca-card {
  position: relative;
  background: var(--nube);
  border-radius: var(--radius);
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.marca-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.marca-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 12px;
  border-radius: 20px;
}
.badge-activo {
  background: #e6f4ea;
  color: var(--bosque);
}
.badge-proximo {
  background: #fef3e2;
  color: #a67c2e;
}
.marca-img {
  height: 64px;
  width: auto;
  margin: 0 auto 20px;
}
.marca-name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--nocturno);
  margin-bottom: 10px;
}
.marca-desc {
  font-size: 0.95rem;
  color: #666;
  margin-bottom: 24px;
}

/* ═══════════════════════════════════════════
   SERVICIOS
═══════════════════════════════════════════ */
.servicios {
  position: relative;
  background: var(--nocturno);
  overflow: hidden;
}
.servicios-nodes-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.servicios-nodes-bg svg {
  width: 100%;
  height: 100%;
}
.servicios .section-title { color: var(--blanco); }
.servicios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.service-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: var(--transition);
}
.service-card:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(201,162,39,0.3);
  transform: translateY(-4px);
}
.service-icon {
  font-size: 1.8rem;
  margin-bottom: 14px;
}
.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--blanco);
  margin-bottom: 8px;
}
.service-card p {
  font-size: 0.88rem;
  color: var(--texto-light);
  line-height: 1.5;
}

/* ═══════════════════════════════════════════
   MÉTODO
═══════════════════════════════════════════ */
.metodo { background: var(--nube); }
.metodo-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.metodo-line {
  position: absolute;
  top: 24px;
  left: 12.5%;
  width: 75%;
  border-top: 2px dashed var(--dorado);
  opacity: 0.4;
}
.metodo-step {
  text-align: center;
  position: relative;
  z-index: 1;
}
.metodo-node {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bosque);
  color: var(--blanco);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 4px 12px rgba(45,90,61,0.3);
}
.metodo-step h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--nocturno);
  margin-bottom: 6px;
}
.metodo-step p {
  font-size: 0.85rem;
  color: #666;
  max-width: 200px;
  margin: 0 auto;
}

/* ═══════════════════════════════════════════
   CONTACTO
═══════════════════════════════════════════ */
.contacto { background: var(--blanco); }
.contacto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.contacto-datos {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.contacto-datos a {
  color: var(--bosque);
  font-weight: 500;
}
.contacto-datos a:hover { color: var(--dorado); }
.contacto-form {
  background: var(--nube);
  border-radius: var(--radius);
  padding: 36px;
  box-shadow: var(--shadow);
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--nocturno);
  margin-bottom: 6px;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid #ddd;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition);
  background: var(--blanco);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--dorado);
  box-shadow: 0 0 0 3px rgba(201,162,39,0.1);
}
.form-group textarea { resize: vertical; }
.form-success {
  margin-top: 16px;
  padding: 12px;
  background: #e6f4ea;
  color: var(--bosque);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  text-align: center;
}

/* ═══════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════ */
.footer {
  background: var(--nocturno);
  padding: 40px 0;
}
.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-logo {
  height: 36px;
  filter: brightness(0) invert(1);
}
.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  font-size: 0.85rem;
  color: var(--texto-light);
  transition: var(--transition);
}
.footer-links a:hover { color: var(--dorado); }
.footer-copy {
  font-size: 0.82rem;
  color: var(--texto-light);
}

/* ═══════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════ */
@media (max-width: 900px) {
  .hero-title { font-size: 2.4rem; }
  .section-title { font-size: 1.8rem; }
  .nosotros-grid,
  .contacto-grid { grid-template-columns: 1fr; gap: 40px; }
  .marcas-grid { grid-template-columns: 1fr; }
  .servicios-grid { grid-template-columns: repeat(2, 1fr); }
  .metodo-track { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .metodo-line { display: none; }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 260px;
    height: 100vh;
    background: var(--nocturno);
    flex-direction: column;
    justify-content: center;
    gap: 28px;
    transition: right 0.35s ease;
    box-shadow: -4px 0 30px rgba(0,0,0,0.3);
  }
  .nav-links.open { right: 0; }
  .nav-links .nav-link { color: var(--blanco) !important; font-size: 1.1rem; }
  .nav-burger { display: flex; }
}

@media (max-width: 640px) {
  .hero-title { font-size: 1.9rem; }
  .hero-sub { font-size: 1rem; }
  .section { padding: 56px 0; }
  .section-title { font-size: 1.5rem; }
  .servicios-grid { grid-template-columns: 1fr; }
  .metodo-track { grid-template-columns: 1fr; }
  .nosotros-stats { grid-template-columns: 1fr; }
  .hero-ctas { flex-direction: column; align-items: center; }
  .footer-content { flex-direction: column; text-align: center; }
}