/* ==============================
   CONFIGURACIÓN GENERAL
============================== */

:root {
  --bg: #f7f8fb;
  --card: #ffffff;
  --soft: #eef2f7;
  --text: #111827;
  --muted: #6b7280;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --border: #e5e7eb;
  --shadow: 0 24px 60px rgba(15, 23, 42, 0.08);
  --radius-lg: 28px;
  --radius-md: 18px;
  --container: 1120px;
}

body.dark {
  --bg: #070b14;
  --card: #0d1322;
  --soft: #111827;
  --text: #f9fafb;
  --muted: #9ca3af;
  --primary: #60a5fa;
  --primary-dark: #3b82f6;
  --border: rgba(255, 255, 255, 0.1);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

body.modal-open {
  overflow: hidden;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.14), transparent 34rem),
    radial-gradient(circle at top right, rgba(14, 165, 233, 0.12), transparent 32rem),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  transition: background 0.25s ease, color 0.25s ease;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

.container {
  width: min(100% - 32px, var(--container));
  margin: auto;
}

.section {
  padding: 82px 0;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 42px;
}

.section-label {
  display: inline-block;
  color: var(--primary);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.13em;
  font-size: 0.78rem;
  margin-bottom: 10px;
}

.section-header h2,
.contact-info h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
  margin-bottom: 14px;
}

.section-header p,
.contact-info p {
  color: var(--muted);
}

.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 13px 22px;
  border-radius: 999px;
  font-weight: 800;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 14px 30px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-secondary {
  background: var(--card);
  color: var(--text);
  border-color: var(--border);
}

/* ==============================
   HEADER / NAVBAR
============================== */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 84%, transparent);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}

.navbar {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), #22c55e);
  display: grid;
  place-items: center;
  color: #ffffff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  color: var(--muted);
  font-weight: 700;
  font-size: 0.94rem;
}

.nav-links a:hover {
  color: var(--primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.theme-btn,
.menu-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  font-size: 1.05rem;
}

.menu-btn {
  display: none;
}

/* ==============================
   HERO
============================== */

.hero {
  padding: 94px 0 70px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: 34px;
}

.badge {
  display: inline-flex;
  padding: 8px 14px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--primary) 12%, var(--card));
  color: var(--primary);
  border: 1px solid color-mix(in srgb, var(--primary) 20%, transparent);
  font-weight: 800;
  font-size: 0.82rem;
}

.hero h1 {
  margin-top: 20px;
  font-size: clamp(2.6rem, 7vw, 5.4rem);
  line-height: 0.96;
  letter-spacing: -0.075em;
}

.hero h1 span {
  color: var(--primary);
}

.hero p {
  margin-top: 24px;
  color: var(--muted);
  max-width: 620px;
  font-size: 1.1rem;
}

.hero-buttons {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.stats {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.stats div {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.04);
}

.stats strong {
  display: block;
  font-size: 1.4rem;
  letter-spacing: -0.04em;
}

.stats span {
  color: var(--muted);
  font-weight: 700;
  font-size: 0.9rem;
}

/* ==============================
   SERVICIOS
============================== */

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.service-card,
.process-card,
.contact-info,
.contact-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 18px 42px rgba(25, 36, 65, 0.04);
}

.service-card {
  transition: 0.2s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: color-mix(in srgb, var(--primary) 35%, var(--border));
}

.service-icon {
  width: 50px;
  height: 50px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--primary) 13%, var(--soft));
  color: var(--primary);
  font-weight: 900;
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 1.22rem;
  margin-bottom: 10px;
}

.service-card p {
  color: var(--muted);
}

/* ==============================
   PROCESO
============================== */

.process {
  background: var(--card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.process-card {
  background: var(--soft);
}

.process-card span {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--primary);
  color: #ffffff;
  display: grid;
  place-items: center;
  font-weight: 900;
  margin-bottom: 18px;
}

.process-card h3 {
  margin-bottom: 8px;
}

.process-card p {
  color: var(--muted);
  font-size: 0.95rem;
}

/* ==============================
   CONTACTO
============================== */

.contact {
  padding-bottom: 96px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 24px;
  align-items: stretch;
}

.contact-data {
  display: grid;
  gap: 12px;
  margin-top: 26px;
}

.contact-data p {
  color: var(--muted);
}

.contact-data strong {
  color: var(--text);
}

.contact-form {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-weight: 800;
  font-size: 0.9rem;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--soft);
  color: var(--text);
  padding: 13px 14px;
  font: inherit;
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
}

textarea {
  min-height: 130px;
  resize: vertical;
}

/* ==============================
   FOOTER
============================== */

.footer {
  border-top: 1px solid var(--border);
  background: var(--soft);
  padding: 56px 0 24px;
  color: var(--muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: 28px;
  margin-bottom: 28px;
}

.footer-col {
  display: grid;
  gap: 16px;
}

.footer-logo {
  display: inline-block;
  color: var(--text);
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.footer-col p,
.footer-contact p,
.footer-links a {
  color: var(--muted);
}

.footer-title {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 900;
  font-size: 0.8rem;
  color: var(--text);
}

.footer-links {
  display: grid;
  gap: 12px;
}

.footer-links a {
  display: inline-block;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-contact {
  display: grid;
  gap: 10px;
  color: var(--muted);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.92rem;
  font-weight: 700;
}

.modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(15, 23, 42, 0.55);
  z-index: 999;
}

.modal.show {
  display: flex;
}

.modal-contenido {
  position: relative;
  width: min(100%, 640px);
  max-height: min(100vh, 720px);
  overflow-y: auto;
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
}

.modal-contenido h2 {
  margin-bottom: 18px;
}

.modal-contenido p {
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 18px;
}

.cerrar {
  position: absolute;
  top: 18px;
  right: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--soft);
  color: var(--text);
  cursor: pointer;
  font-size: 1.4rem;
  line-height: 1;
}

.cerrar:hover {
  background: var(--primary);
  color: #ffffff;
}

/* ==============================
   ANIMACIONES
============================== */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.show {
  opacity: 1;
  transform: translateY(0);
}

/* ==============================
   MODALES DE SERVICIOS
============================== */

.service-card {
  cursor: pointer;
}

.modal-service {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 998;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.modal-service.show {
  display: flex;
  opacity: 1;
}

.modal-service-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  cursor: pointer;
}

.modal-service-contenido {
  position: relative;
  width: min(100%, 680px);
  max-height: 85vh;
  overflow-y: auto;
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(-20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-service-contenido h2 {
  font-size: clamp(1.8rem, 5vw, 2.2rem);
  margin-bottom: 20px;
  color: var(--text);
}

.modal-service-contenido h3 {
  color: var(--text);
}

/* Clases utilizadas en modales (reemplazan estilos inline) */
.modal-subtitle {
  margin-top: 22px;
  margin-bottom: 12px;
  font-size: 1.1rem;
  color: var(--text);
}

.modal-list {
  margin-left: 20px;
  color: var(--muted);
  margin-bottom: 24px;
}

.modal-service-contenido p {
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 18px;
  font-size: 0.98rem;
}

.modal-service-contenido ul {
  list-style: disc;
}

.modal-service-contenido ul li {
  margin-bottom: 10px;
  line-height: 1.6;
}

.modal-service-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: var(--soft);
  color: var(--text);
  cursor: pointer;
  font-size: 1.6rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: 0.2s ease;
}

.modal-service-close:hover {
  background: var(--primary);
  color: #ffffff;
  transform: rotate(90deg);
}

.modal-service-buttons {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.modal-contact-btn {
  flex: 1;
  min-width: 140px;
}

.modal-close-btn {
  flex: 1;
  min-width: 140px;
}

/* Scrollbar personalizado para modales */
.modal-service-contenido::-webkit-scrollbar {
  width: 8px;
}

.modal-service-contenido::-webkit-scrollbar-track {
  background: var(--soft);
  border-radius: 4px;
}

.modal-service-contenido::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--primary) 40%, var(--border));
  border-radius: 4px;
}

.modal-service-contenido::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* Responsive modales de servicios */
@media (max-width: 768px) {
  .modal-service-contenido {
    max-height: 90vh;
    padding: 32px 24px;
    width: 95vw;
  }

  .modal-service-close {
    top: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    font-size: 1.4rem;
  }

  .modal-service-buttons {
    flex-direction: column;
  }

  .modal-contact-btn,
  .modal-close-btn {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .modal-service {
    padding: 16px;
  }

  .modal-service-contenido {
    padding: 24px 20px;
    max-height: 95vh;
  }

  .modal-service-contenido h2 {
    font-size: 1.6rem;
    margin-bottom: 18px;
  }

  .modal-service-contenido p {
    font-size: 0.95rem;
  }

  .modal-service-close {
    width: 32px;
    height: 32px;
    font-size: 1.2rem;
  }
}

/* ==============================
   RESPONSIVE
============================== */

@media (max-width: 940px) {
  .menu-btn {
    display: inline-grid;
    place-items: center;
  }

  .desktop-btn {
    display: none;
  }

  .nav-links {
    position: fixed;
    top: 84px;
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 22px;
    box-shadow: var(--shadow);
    padding: 12px;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-links a {
    display: block;
    padding: 13px 14px;
    border-radius: 14px;
  }

  .nav-links a:hover {
    background: var(--soft);
  }

  .hero-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 58px;
  }

  .hero-buttons,
  .stats,
  .services-grid,
  .process-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-buttons {
    display: grid;
  }

  .btn {
    width: 100%;
  }

  .stats {
    display: grid;
  }

}