/* =========================================================
   NORKIUM HOME — estilos base
   =========================================================
   Estas variables (:root) son los "tokens" de diseño: definimos
   los colores y tipografías UNA sola vez acá arriba, y todo el
   resto del CSS los usa por nombre (ej: var(--color-yellow)).
   Así, si mañana querés cambiar el tono de amarillo, lo cambiás
   en un solo lugar y se actualiza en todo el sitio.
   ========================================================= */

:root {
  /* Colores */
  --color-bg: #15130f;          /* negro cálido (no un negro puro) */
  --color-bg-panel: #1d1a14;    /* un poco más claro, para tarjetas/paneles */
  --color-yellow: #f2b705;      /* amarillo principal (acentos, botones) */
  --color-yellow-dark: #c98f2a; /* dorado oscuro (hover, detalles) */
  --color-text: #f2efe6;        /* texto principal, blanco cálido */
  --color-text-muted: #a89f8c;  /* texto secundario, gris cálido */
  --color-border: #34301f;      /* bordes sutiles */

  /* Tipografía */
  --font-heading: "Archivo", sans-serif;
  --font-body: "Inter", sans-serif;

  /* Layout */
  --max-width: 1140px;
  --radius: 4px;
}

/* Reset básico: los navegadores traen márgenes/paddings por defecto
   distintos entre sí. Los ponemos todos en 0 para partir de una
   base pareja y controlar nosotros el espaciado. */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
}

img {
  max-width: 100%;
  display: block;
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

/* Foco visible para quienes navegan con teclado.
   Es accesibilidad básica: nunca hay que sacar el outline
   sin poner un reemplazo. */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-yellow);
  outline-offset: 2px;
}

/* =========================================================
   Franja "cinta de peligro" — es el detalle de marca que
   conecta con el rubro (electricidad/obra) sin ser un
   recurso decorativo genérico. La usamos MUY poco: como
   línea divisoria fina, nunca como fondo grande.
   ========================================================= */
.hazard-stripe {
  height: 6px;
  background: repeating-linear-gradient(
    -45deg,
    var(--color-yellow) 0px,
    var(--color-yellow) 14px,
    #0b0a08 14px,
    #0b0a08 28px
  );
}

/* =========================================================
   Header / navegación
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
}

.logo {
  display: flex;
  align-items: center;
}

.logo-mark {
  height: 44px;
  width: auto;
  aspect-ratio: 1220 / 394;
  object-fit: contain;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  transition: color 0.15s ease;
}

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

/* =========================================================
   Desplegable "Servicios"
   Usamos <details>/<summary>: es HTML nativo, funciona con
   click, teclado y lectores de pantalla sin escribir JS.
   ========================================================= */
.nav-dropdown {
  position: relative;
}

.nav-dropdown summary {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  list-style: none; /* saca la flechita nativa del navegador */
  transition: color 0.15s ease;
}

.nav-dropdown summary::-webkit-details-marker {
  display: none; /* saca la flechita nativa en Chrome/Safari */
}

.nav-dropdown summary::after {
  content: "";
  width: 7px;
  height: 7px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.15s ease;
  margin-top: -3px;
}

.nav-dropdown[open] summary::after {
  transform: rotate(-135deg);
  margin-top: 3px;
}

.nav-dropdown summary:hover,
.nav-dropdown[open] summary {
  color: var(--color-yellow);
}

.dropdown-list {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 220px;
  list-style: none;
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 6px;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
  z-index: 80;
}

.dropdown-list li a {
  display: block;
  padding: 9px 14px;
  font-size: 0.9rem;
  color: var(--color-text);
  border-radius: 6px;
  white-space: nowrap;
}

.dropdown-list li a:hover {
  background: rgba(242, 183, 5, 0.1);
  color: var(--color-yellow);
}

.dropdown-whatsapp {
  border-top: 1px solid var(--color-border);
  margin-top: 4px;
  padding-top: 4px;
}

.dropdown-whatsapp a {
  color: var(--color-yellow) !important;
  font-weight: 600;
}

.nav-cta {
  background: var(--color-yellow);
  color: #15130f;
  font-weight: 700;
  padding: 10px 18px;
  border-radius: var(--radius);
  font-size: 0.9rem;
}

.nav-cta:hover {
  background: var(--color-yellow-dark);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.6rem;
  cursor: pointer;
}

/* =========================================================
   Hero
   ========================================================= */
.hero {
  padding: 96px 0 72px;
}

.hero .container {
  max-width: 720px;
}

.hero-eyebrow {
  color: var(--color-yellow);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  margin-bottom: 20px;
}

.hero p {
  color: var(--color-text-muted);
  font-size: 1.1rem;
  max-width: 55ch;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.98rem;
  transition: background 0.15s ease, color 0.15s ease;
}

.btn-primary {
  background: var(--color-yellow);
  color: #15130f;
}

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

.btn-secondary {
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.btn-secondary:hover {
  border-color: var(--color-yellow);
  color: var(--color-yellow);
}

/* =========================================================
   Barra de confianza (debajo del hero)
   ========================================================= */
.trust-bar {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: 28px 0;
}

.trust-bar .container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.trust-item svg {
  color: var(--color-yellow);
  flex-shrink: 0;
}

/* =========================================================
   Servicios
   ========================================================= */
.services {
  padding: 88px 0;
}

.section-heading {
  margin-bottom: 48px;
  max-width: 60ch;
}

.section-heading h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  margin-bottom: 12px;
}

.section-heading p {
  color: var(--color-text-muted);
}

.services-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.service-card {
  position: relative;
  flex: 1 1 320px;
  max-width: 350px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 28px;
}

/* Línea de esquina discreta: un guiño a la cinta de peligro,
   sin llenar la tarjeta de amarillo. */
.service-card::before,
.why-us-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 18px;
  height: 18px;
  border-top: 2px solid var(--color-yellow);
  border-left: 2px solid var(--color-yellow);
  border-radius: var(--radius) 0 0 0;
}

.service-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

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

.services-more {
  text-align: center;
  margin-top: 40px;
}

/* =========================================================
   Nosotros
   ========================================================= */
.about {
  padding: 88px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: start;
}

.about-text h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  margin: 12px 0 20px;
}

.about-text p {
  color: var(--color-text-muted);
  margin-bottom: 16px;
  max-width: 48ch;
}

.about-values {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.about-value {
  border-left: 2px solid var(--color-yellow);
  padding-left: 20px;
}

.about-value h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.about-value p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

@media (max-width: 800px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* =========================================================
   ¿Por qué elegirnos?
   ========================================================= */
.why-us {
  padding: 88px 0;
}

.why-us-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.why-us-card {
  position: relative;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px 24px;
}

.why-us-card h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.why-us-card p {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

@media (max-width: 900px) {
  .why-us-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .why-us-grid {
    grid-template-columns: 1fr;
  }
}

/* =========================================================
   Página de detalle de Servicios
   ========================================================= */
.page-hero {
  padding: 72px 0 56px;
}

.page-hero .container {
  max-width: 720px;
}

.page-hero h1 {
  font-size: clamp(2rem, 4.5vw, 2.8rem);
  margin-bottom: 16px;
}

.page-hero p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
}

.services-detail {
  padding: 24px 0 96px;
}

.service-detail-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 24px;
}

.service-detail-card {
  position: relative;
  flex: 1 1 320px;
  max-width: 350px;
  background: var(--color-bg-panel);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 28px;
}

.service-detail-card h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--color-yellow);
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.service-detail-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.service-detail-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.service-detail-list li::before {
  content: "";
  width: 6px;
  height: 6px;
  margin-top: 8px;
  background: var(--color-yellow);
  flex-shrink: 0;
}

.services-cta {
  text-align: center;
  margin-top: 56px;
  padding-top: 48px;
  border-top: 1px solid var(--color-border);
}

.services-cta p {
  color: var(--color-text-muted);
  margin-bottom: 20px;
  font-size: 1.05rem;
}

/* =========================================================
   FAQ
   ========================================================= */
.faq {
  padding: 88px 0;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 760px;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg-panel);
  padding: 4px 20px;
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 1.02rem;
  color: var(--color-text);
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  flex-shrink: 0;
  font-size: 1.4rem;
  color: var(--color-yellow);
  transition: transform 0.15s ease;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  padding: 0 0 20px;
  max-width: 62ch;
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 48px 0 32px;
}

.footer-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  color: var(--color-yellow);
  margin-bottom: 14px;
}

.footer-col p,
.footer-col a {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  display: block;
  margin-bottom: 8px;
}

.footer-col a:hover {
  color: var(--color-yellow);
}

.footer-bottom {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  text-align: center;
}

/* =========================================================
   Responsive — mobile
   ========================================================= */
@media (max-width: 800px) {
  .nav-links,
  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 20px 24px;
    gap: 20px;
  }

  .nav-dropdown {
    width: 100%;
  }

  .dropdown-list {
    position: static;
    transform: none;
    margin-top: 12px;
    width: 100%;
    border: none;
    border-radius: 0;
    box-shadow: none;
    border-left: 2px solid var(--color-yellow);
    background: transparent;
    padding: 0 0 0 14px;
  }
}