/*
  Hardman Electric — hoja de estilos principal.
  Mobile-first real: el layout base es para 360-414px, las media queries
  EXPANDEN hacia tablet/desktop, nunca al revés.
  Sin gradientes morados ni glassmorphism genérico — paleta de marca:
  carbón #181818, cian eléctrico #00B4DB → #0183B0, blanco.
*/

:root {
  --color-carbon: #181818;
  --color-carbon-2: #232323;
  --color-accent-1: #00B4DB;
  --color-accent-2: #0183B0;
  --color-white: #FFFFFF;
  --color-gray-50: #F7F8F9;
  --color-gray-100: #EDEFF1;
  --color-gray-300: #C7CCD1;
  --color-gray-600: #5B6470;
  --color-gray-800: #2B2F33;
  --color-whatsapp: #25D366;
  --color-success: #1E9E5A;
  --color-error: #D64545;

  --gradient-accent: linear-gradient(90deg, var(--color-accent-1), var(--color-accent-2));

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --shadow-card: 0 2px 10px rgba(24, 24, 24, 0.08);
  --shadow-card-hover: 0 8px 24px rgba(24, 24, 24, 0.14);

  --header-h: 64px;
  --mobile-bar-h: 60px;
  --container-w: 1180px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-gray-800);
  background: var(--color-white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  padding-bottom: var(--mobile-bar-h);
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0 0 0.5em; line-height: 1.2; font-weight: 800; }
p { margin: 0 0 1em; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; font-size: 16px; }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: 8px; top: -50px; background: var(--color-accent-1);
  color: var(--color-white); padding: 10px 16px; border-radius: var(--radius-sm);
  z-index: 1000; transition: top .2s ease;
}
.skip-link:focus { top: 8px; }

.icon { width: 20px; height: 20px; display: inline-block; vertical-align: middle; flex-shrink: 0; }
.icon-sm { width: 14px; height: 14px; }

.container { width: 100%; max-width: var(--container-w); margin: 0 auto; padding: 0 20px; }
.section { padding: 48px 0; }
.section--tight { padding: 32px 0; }
.section--dark { background: var(--color-carbon); color: var(--color-white); }
.section--gray { background: var(--color-gray-50); }

.eyebrow {
  display: inline-block; font-size: 13px; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; color: var(--color-accent-2); margin-bottom: 10px;
}
.section--dark .eyebrow { color: var(--color-accent-1); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 12px 22px; border-radius: var(--radius-sm);
  font-weight: 700; font-size: 15px; border: 2px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
  white-space: nowrap;
}
.btn--accent { background: var(--gradient-accent); color: var(--color-white); }
.btn--accent:hover { box-shadow: 0 6px 18px rgba(0, 180, 219, .35); transform: translateY(-1px); }
.btn--outline { background: transparent; border-color: var(--color-white); color: var(--color-white); }
.btn--outline:hover { background: rgba(255,255,255,.08); }
.btn--outline-dark { background: transparent; border-color: var(--color-carbon); color: var(--color-carbon); }
.btn--outline-dark:hover { background: rgba(24,24,24,.06); }
.btn--block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  background: var(--color-carbon);
  position: sticky; top: 0; z-index: 500;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.site-header__inner {
  max-width: var(--container-w); margin: 0 auto; padding: 0 16px;
  min-height: var(--header-h); display: flex; align-items: center; justify-content: space-between;
  gap: 12px; flex-wrap: wrap;
}
.site-header__logo { flex-shrink: 0; line-height: 0; }
.site-header__logo img { height: 48px; width: auto; }

.site-header__actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.site-header__phone {
  display: none; align-items: center; gap: 6px; color: var(--color-white);
  font-weight: 700; font-size: 14px; white-space: nowrap;
}
.site-header__phone .icon { color: var(--color-accent-1); }
.site-header__lang {
  color: var(--color-white); font-weight: 700; font-size: 13px;
  border: 1px solid rgba(255,255,255,.35); border-radius: var(--radius-sm);
  padding: 6px 9px;
}
.site-header__cta { display: none; animation: electric-glow 3.2s ease-in-out infinite; }
.site-header__cta:hover, .site-header__cta:focus-visible { animation-play-state: paused; }
@keyframes electric-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 180, 219, 0); }
  50% { box-shadow: 0 0 16px 3px rgba(0, 180, 219, .55); }
}

.site-header__toggle {
  background: transparent; border: 0; color: var(--color-white);
  width: 44px; height: 44px; display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
}
.site-header__toggle .icon-close { display: none; }
.site-header__toggle[aria-expanded="true"] .icon-open { display: none; }
.site-header__toggle[aria-expanded="true"] .icon-close { display: block; }
.site-header__toggle .icon { width: 26px; height: 26px; }

/* Mobile nav: full-screen panel toggled by JS */
.site-nav {
  position: fixed; inset: var(--header-h) 0 0 0; background: var(--color-carbon);
  transform: translateX(100%); transition: transform .25s ease;
  overflow-y: auto; padding: 12px 0 32px;
}
.site-nav.is-open { transform: translateX(0); }
.site-nav__list { display: flex; flex-direction: column; }
.site-nav__item > a {
  display: flex; align-items: center; justify-content: space-between;
  gap: 8px; color: var(--color-white); font-weight: 600; font-size: 17px;
  padding: 16px 20px; border-bottom: 1px solid rgba(255,255,255,.08);
  min-height: 44px;
}
.site-nav__item[aria-current="page"] > a,
.site-nav__item > a[aria-current="page"] { color: var(--color-accent-1); }
.site-nav__sub { display: none; background: rgba(255,255,255,.04); }
.site-nav__item--has-sub.is-open .site-nav__sub { display: block; }
.site-nav__item--has-sub.is-open > a .icon-sm { transform: rotate(180deg); }
.site-nav__sub a {
  display: block; padding: 12px 20px 12px 34px; color: var(--color-gray-300);
  font-size: 15px; min-height: 44px; display: flex; align-items: center;
}

/* ---------- Mobile sticky call/whatsapp bar (prioridad crítica del cliente) ---------- */
.mobile-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 600;
  display: grid; grid-template-columns: 1fr 1fr; height: var(--mobile-bar-h);
  box-shadow: 0 -4px 14px rgba(0,0,0,.15);
}
.mobile-bar__btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 700; font-size: 15px; color: var(--color-white); min-height: 44px;
}
.mobile-bar__btn--call { background: var(--color-carbon); }
.mobile-bar__btn--whatsapp { background: var(--color-whatsapp); }

/* Floating WhatsApp button — desktop/tablet only, mobile bar covers phones */
.whatsapp-float {
  display: none; position: fixed; right: 22px; bottom: 22px; z-index: 550;
  width: 58px; height: 58px; border-radius: 50%; background: var(--color-whatsapp);
  align-items: center; justify-content: center; box-shadow: 0 6px 18px rgba(0,0,0,.25);
  animation: pulse 2.4s ease-in-out infinite;
}
.whatsapp-float .icon { width: 30px; height: 30px; color: var(--color-white); }
@keyframes pulse {
  0%, 100% { box-shadow: 0 6px 18px rgba(0,0,0,.25), 0 0 0 0 rgba(37,211,102,.5); }
  50% { box-shadow: 0 6px 18px rgba(0,0,0,.25), 0 0 0 10px rgba(37,211,102,0); }
}

/* ---------- Hero ---------- */
.hero {
  background: var(--color-carbon); color: var(--color-white);
  padding: 40px 0 48px; position: relative; overflow: hidden;
}
.hero__inner { display: flex; flex-direction: column; gap: 24px; }
.hero h1 { font-size: 30px; }
.hero__subhead { color: var(--color-gray-300); font-size: 16px; max-width: 56ch; }
.hero__ctas { display: flex; flex-direction: column; gap: 12px; }
.hero__media { border-radius: var(--radius-lg); overflow: hidden; }
.hero__media img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }

/* ---------- Trust badges ---------- */
.trust-strip {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px;
}
.trust-strip__item {
  display: flex; align-items: flex-start; gap: 10px; font-size: 14px; font-weight: 600;
}
.trust-strip__item .icon { color: var(--color-accent-1); margin-top: 2px; }

/* ---------- Cards ---------- */
.card-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.service-card {
  background: var(--color-white); border: 1px solid var(--color-gray-100);
  border-radius: var(--radius-md); padding: 24px; box-shadow: var(--shadow-card);
  transition: box-shadow .2s ease, transform .2s ease;
}
.service-card:hover { box-shadow: var(--shadow-card-hover); transform: translateY(-2px); }
.service-card__icon {
  width: 48px; height: 48px; border-radius: var(--radius-sm); background: var(--color-gray-50);
  display: flex; align-items: center; justify-content: center; margin-bottom: 14px;
}
.service-card__icon .icon { width: 26px; height: 26px; color: var(--color-accent-2); }
.service-card h3 { font-size: 18px; }
.service-card p { color: var(--color-gray-600); font-size: 14.5px; }
.service-card__link { font-weight: 700; color: var(--color-accent-2); font-size: 14px; }

/* ---------- Testimonials ---------- */
.testimonial-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
.testimonial-card {
  background: var(--color-gray-50); border-radius: var(--radius-md); padding: 22px;
  border: 1px solid var(--color-gray-100);
}
.testimonial-card p { font-style: italic; color: var(--color-gray-800); }
.testimonial-card footer { font-weight: 700; font-size: 14px; color: var(--color-gray-600); }
.testimonial-card--sample { position: relative; }
.testimonial-card--sample::after {
  content: attr(data-sample-label); position: absolute; top: 10px; right: 10px;
  font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
  background: var(--color-gray-300); color: var(--color-gray-800); padding: 3px 8px; border-radius: 4px;
}

/* ---------- CTA band ---------- */
.cta-band { background: var(--gradient-accent); color: var(--color-white); }
.cta-band__inner {
  max-width: var(--container-w); margin: 0 auto; padding: 32px 20px;
  display: flex; flex-direction: column; gap: 16px; align-items: flex-start;
}
.cta-band p { font-size: 18px; font-weight: 700; margin: 0; }
.cta-band .btn--accent { background: var(--color-carbon); }

/* ---------- Service areas ---------- */
.area-list { display: grid; grid-template-columns: 1fr; gap: 6px; font-size: 15px; }
.area-group h3 { font-size: 15px; color: var(--color-accent-2); margin-bottom: 8px; }
.area-group ul { columns: 2; gap: 16px; }
.area-group li { padding: 3px 0; break-inside: avoid; }

/* ---------- FAQ ---------- */
.faq-item {
  border-bottom: 1px solid var(--color-gray-100); padding: 16px 0;
}
.faq-item summary {
  cursor: pointer; font-weight: 700; font-size: 16px; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  min-height: 44px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item[open] summary .icon { transform: rotate(180deg); }
.faq-item p { margin-top: 10px; color: var(--color-gray-600); }

/* ---------- Service detail ---------- */
.service-detail__intro { max-width: 68ch; color: var(--color-gray-600); font-size: 16px; }
.check-list { display: flex; flex-direction: column; gap: 14px; margin: 24px 0; }
.check-list__item { display: flex; align-items: flex-start; gap: 12px; font-size: 15.5px; }
.check-list__item .icon { color: var(--color-accent-2); margin-top: 2px; }
.service-detail__why {
  background: var(--color-gray-50); border-radius: var(--radius-md); padding: 24px;
  margin: 24px 0;
}
.service-detail__why h2 { font-size: 18px; margin-bottom: 8px; }
.service-detail__why p { color: var(--color-gray-600); }

/* ---------- About split layout ---------- */
.split-grid__media img {
  width: 100%; max-height: 420px; object-fit: cover; border-radius: var(--radius-lg); display: block;
}

/* ---------- Photo gallery ---------- */
.photo-grid { display: grid; grid-template-columns: 1fr; gap: 12px; margin: 24px 0; }
.photo-grid a { display: block; }
.photo-grid img {
  width: 100%; height: 260px; object-fit: cover; border-radius: var(--radius-md);
  display: block; background: var(--color-gray-100);
}
@media (min-width: 600px) { .photo-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .photo-grid { grid-template-columns: repeat(3, 1fr); } }

/* ---------- Projects: filter pills + lightbox ---------- */
.filter-pills { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0 8px; }
.filter-pill {
  display: inline-flex; align-items: center; min-height: 44px; padding: 8px 18px;
  border-radius: 999px; border: 1.5px solid var(--color-gray-300); background: transparent;
  font-weight: 700; font-size: 13.5px; color: var(--color-gray-800); cursor: pointer;
}
.filter-pill:hover { border-color: var(--color-accent-2); }
.filter-pill.is-active { background: var(--gradient-accent); border-color: transparent; color: var(--color-white); }
.project-category { margin-top: 40px; }
.project-category h2 { font-size: 19px; }

.lightbox {
  position: fixed; inset: 0; z-index: 1000; background: rgba(10, 10, 10, .92);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.lightbox[hidden] { display: none; }
.lightbox__img { max-width: 100%; max-height: 90vh; object-fit: contain; border-radius: var(--radius-md); }
.lightbox__close {
  position: absolute; top: 16px; right: 16px; width: 44px; height: 44px;
  background: rgba(255,255,255,.12); border: 0; border-radius: 50%; color: var(--color-white);
  display: flex; align-items: center; justify-content: center; cursor: pointer;
}
.lightbox__close:hover { background: rgba(255,255,255,.22); }
.lightbox__close .icon { width: 22px; height: 22px; }

/* ---------- Legal content (Privacy / Terms) ---------- */
.legal-content { max-width: 75ch; color: var(--color-gray-600); }
.legal-content h2 { font-size: 19px; color: var(--color-gray-800); margin-top: 32px; }
.legal-content h2:first-child { margin-top: 0; }
.legal-content p { margin: 0 0 14px; }
.legal-content ul { list-style: disc; padding-left: 22px; margin: 0 0 14px; }
.legal-content li { margin-bottom: 6px; }
.legal-content a { color: var(--color-accent-2); font-weight: 600; }
.legal-content__updated { font-size: 13.5px; color: var(--color-gray-600); font-style: italic; margin-bottom: 24px; }

/* ---------- Forms ---------- */
.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-weight: 700; font-size: 14px; margin-bottom: 6px; }
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%; min-height: 48px; padding: 12px 14px; border: 1.5px solid var(--color-gray-300);
  border-radius: var(--radius-sm); background: var(--color-white); color: var(--color-gray-800);
}
.form-field textarea { min-height: 120px; resize: vertical; }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none; border-color: var(--color-accent-1); box-shadow: 0 0 0 3px rgba(0,180,219,.18);
}
.form-honeypot { position: absolute; left: -9999px; top: -9999px; height: 0; overflow: hidden; }
.form-msg { padding: 14px 16px; border-radius: var(--radius-sm); font-weight: 600; margin-bottom: 18px; display: none; }
.form-msg.is-visible { display: block; }
.form-msg--success { background: rgba(30,158,90,.12); color: var(--color-success); }
.form-msg--error { background: rgba(214,69,69,.12); color: var(--color-error); }

.contact-info { display: flex; flex-direction: column; gap: 14px; }
.contact-info__item { display: flex; align-items: flex-start; gap: 12px; font-size: 15px; }
.contact-info__item .icon { color: var(--color-accent-2); margin-top: 2px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--color-carbon); color: var(--color-gray-300); }
.site-footer__inner {
  max-width: var(--container-w); margin: 0 auto; padding: 44px 20px 24px;
  display: grid; grid-template-columns: 1fr; gap: 28px;
}
.site-footer__brand img { height: 52px; width: auto; margin-bottom: 12px; }
.site-footer__brand p { font-size: 14px; max-width: 42ch; }
.site-footer__col h2 { font-size: 14px; text-transform: uppercase; letter-spacing: .04em; color: var(--color-white); margin-bottom: 12px; }
.site-footer__col ul li { margin-bottom: 8px; font-size: 14px; }
.site-footer__col a:hover { color: var(--color-accent-1); }
.site-footer__bottom {
  border-top: 1px solid rgba(255,255,255,.08); padding: 16px 20px;
  display: flex; flex-direction: column; gap: 6px; font-size: 12.5px;
  max-width: var(--container-w); margin: 0 auto;
}
.site-footer__bottom a { color: var(--color-accent-1); font-weight: 600; }

/* ---------- Tablet (≥600px) ---------- */
@media (min-width: 600px) {
  .hero h1 { font-size: 38px; }
  .hero__ctas { flex-direction: row; }
  .trust-strip { grid-template-columns: repeat(4, 1fr); }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
  .site-footer__inner { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Desktop (≥900px) ---------- */
@media (min-width: 900px) {
  :root { --header-h: 76px; }
  body { padding-bottom: 0; }
  .mobile-bar { display: none; }
  .whatsapp-float { display: flex; }

  .site-header__phone { display: inline-flex; }
  .site-header__cta { display: inline-flex; }
  .site-header__toggle { display: none; }
  .site-header__logo img { height: 58px; }

  .site-nav {
    position: static; inset: auto; transform: none; background: transparent;
    overflow: visible; padding: 0; flex: 1; margin: 0 16px; min-width: 0;
  }
  .site-nav__list {
    flex-direction: row; align-items: center; justify-content: center;
    gap: 2px; row-gap: 4px; flex-wrap: wrap;
  }
  .site-nav__item { position: relative; }
  .site-nav__item > a {
    border-bottom: 0; padding: 9px 9px; font-size: 13.5px; min-height: auto;
    border-radius: var(--radius-sm); white-space: nowrap; flex-shrink: 0;
  }
  .site-nav__item > a:hover { background: rgba(255,255,255,.06); }
  .site-nav__sub {
    display: block; position: absolute; top: calc(100% + 6px); left: 0; min-width: 220px;
    background: var(--color-carbon-2); border-radius: var(--radius-md); padding: 8px;
    box-shadow: 0 12px 30px rgba(0,0,0,.35);
    opacity: 0; visibility: hidden; transform: translateY(6px);
    transition: opacity .15s ease, transform .15s ease, visibility .15s ease;
  }
  .site-nav__item--has-sub:hover .site-nav__sub,
  .site-nav__item--has-sub:focus-within .site-nav__sub {
    opacity: 1; visibility: visible; transform: translateY(0);
  }
  .site-nav__sub a { border-radius: var(--radius-sm); padding: 10px 12px; }
  .site-nav__sub a:hover { background: rgba(255,255,255,.06); color: var(--color-white); }

  .hero__inner { flex-direction: row; align-items: center; }
  .hero__copy { flex: 1; }
  .hero__media { flex: 1; }
  .hero h1 { font-size: 46px; }

  .card-grid { grid-template-columns: repeat(3, 1fr); }
  .testimonial-grid { grid-template-columns: repeat(3, 1fr); }
  .area-list { grid-template-columns: repeat(3, 1fr); gap: 32px; }
  .site-footer__bottom { flex-direction: row; justify-content: space-between; align-items: center; }
  .cta-band__inner { flex-direction: row; align-items: center; justify-content: space-between; }
  .site-footer__inner { grid-template-columns: 1.4fr repeat(3, 1fr); }
  .contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
  .split-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
}

@media (min-width: 1200px) {
  .hero h1 { font-size: 52px; }
}

/* ---------- Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}