/* Cadre Electricals — site styles
   Replaces Bootstrap 5 + slick-carousel. No framework, no jQuery. */

/* ---------- tokens ---------- */
:root {
  --accent: #378c93;
  --accent-dark: #2b6f75;
  --ink: #111;
  --ink-soft: #444;
  --line: #e2e2e2;
  --bg-soft: #f5f7f7;
  --white: #fff;

  --font-body: "Open Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-head: "Oswald", var(--font-body);

  --wrap: 1180px;
  --gap: 1.5rem;
  --radius: 6px;
  --shadow: 0 5px 14px rgba(0, 0, 0, .16);
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
body, h1, h2, h3, h4, p, ul, ol, figure { margin: 0; }
/* The breadcrumb is an <ol> -- semantically right, but it inherited decimal
   markers and indent because only <ul> was reset here. */
ul, ol { padding: 0; list-style: none; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); }

/* The design is light throughout -- white cards, pale section fills, dark ink.
   Declaring that explicitly stops a dark-mode browser painting its own dark
   canvas behind content that never sets a background of its own. */
html { color-scheme: light; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 700;
  text-transform: uppercase;
  line-height: 1.2;
}

.wrap { width: min(100% - 2rem, var(--wrap)); margin-inline: auto; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap;
}
.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--accent); color: #fff; padding: .7rem 1.2rem;
}
.skip-link:focus { left: 0; }

:where(a, button, input, select, textarea):focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-head);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: .02em;
  padding: .65rem 1.5rem;
  border-radius: var(--radius);
  border: 2px solid var(--accent);
  color: var(--accent);
  text-decoration: none;
  background: transparent;
  cursor: pointer;
  transition: background .18s, color .18s;
}
.btn:hover { background: var(--accent); color: #fff; }
.btn--accent { background: var(--accent); color: #fff; }
.btn--accent:hover { background: var(--accent-dark); border-color: var(--accent-dark); }

/* ---------- topbar ---------- */
.topbar { background: var(--ink); color: #fff; font-size: .875rem; }
.topbar__inner {
  display: flex; flex-wrap: wrap; gap: 1.25rem;
  justify-content: flex-end; padding: .45rem 0;
}
.topbar a { color: #fff; text-decoration: none; }
.topbar a:hover { text-decoration: underline; }
@media (max-width: 600px) { .topbar { display: none; } }

/* ---------- header + nav ---------- */
.site-header {
  background: #fff;
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid var(--line);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--gap); padding: .6rem 0;
}
.brand img { width: 180px; height: auto; }

.nav__list { display: flex; align-items: center; gap: .35rem; }
.nav__list > li { position: relative; }
.nav__list a {
  display: block; padding: .6rem .85rem;
  font-size: .875rem; font-weight: 600; text-transform: uppercase;
  color: var(--ink); text-decoration: none; border-radius: var(--radius);
}
.nav__list a:not(.btn):hover,
.nav__list a[aria-current="page"] { color: var(--accent); }
.nav__list a[aria-current="page"] { box-shadow: inset 0 -3px 0 var(--accent); border-radius: 0; }
.nav__list .btn { color: #fff; }

.nav__sub-toggle {
  display: none; background: none; border: 0; cursor: pointer;
}
.nav__sub {
  position: absolute; top: 100%; left: 0; min-width: 250px;
  background: #fff; box-shadow: var(--shadow); border-radius: var(--radius);
  padding: .4rem; opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity .16s, transform .16s, visibility .16s;
}
.nav__has-sub:hover .nav__sub,
.nav__has-sub:focus-within .nav__sub {
  opacity: 1; visibility: visible; transform: translateY(0);
}

.nav-toggle {
  display: none; width: 44px; height: 44px;
  background: none; border: 1px solid var(--line); border-radius: var(--radius);
  cursor: pointer; position: relative;
}
.nav-toggle__bar,
.nav-toggle__bar::before,
.nav-toggle__bar::after {
  position: absolute; left: 11px; width: 20px; height: 2px;
  background: var(--ink); content: ""; transition: transform .2s, opacity .2s;
}
.nav-toggle__bar { top: 21px; }
.nav-toggle__bar::before { top: -6px; left: 0; }
.nav-toggle__bar::after { top: 6px; left: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar::after { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .nav {
    position: absolute; inset: 100% 0 auto 0; background: #fff;
    box-shadow: var(--shadow); display: none; padding: .5rem 1rem 1rem;
  }
  .nav[data-open="true"] { display: block; }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav__list > li { border-bottom: 1px solid var(--line); }
  .nav__list .btn { text-align: center; margin-top: .75rem; }

  .nav__has-sub { display: grid; grid-template-columns: 1fr auto; }
  .nav__sub-toggle {
    display: block; width: 44px; height: 44px; position: relative;
  }
  .nav__sub-toggle::before {
    content: ""; position: absolute; top: 18px; left: 15px;
    width: 9px; height: 9px; border-right: 2px solid var(--ink);
    border-bottom: 2px solid var(--ink); transform: rotate(45deg);
    transition: transform .2s;
  }
  .nav__sub-toggle[aria-expanded="true"]::before { transform: rotate(-135deg); }
  .nav__sub {
    position: static; grid-column: 1 / -1; box-shadow: none;
    opacity: 1; visibility: visible; transform: none;
    display: none; padding-left: 1rem;
  }
  .nav__sub[data-open="true"] { display: block; }
  .nav__has-sub:hover .nav__sub:not([data-open="true"]) { display: none; }
}

/* ---------- carousel (CSS scroll-snap, no JS dependency) ---------- */
.carousel { position: relative; }
.carousel__track {
  display: grid; grid-auto-flow: column; grid-auto-columns: 100%;
  overflow-x: auto; scroll-snap-type: x mandatory;
  scrollbar-width: none;
}
.carousel__track::-webkit-scrollbar { display: none; }
.carousel__slide { scroll-snap-align: start; }
.carousel__slide img { width: 100%; aspect-ratio: 16 / 6; object-fit: cover; }
@media (max-width: 700px) {
  .carousel__slide img { aspect-ratio: 4 / 3; }
}

.carousel__btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 44px; height: 44px; border: 0; border-radius: 50%;
  background: rgba(255, 255, 255, .85); cursor: pointer;
  display: grid; place-items: center; box-shadow: var(--shadow);
}
.carousel__btn:hover { background: #fff; }
.carousel__btn--prev { left: 1rem; }
.carousel__btn--next { right: 1rem; }
.carousel__btn::before {
  content: ""; width: 10px; height: 10px;
  border-top: 2px solid var(--ink); border-right: 2px solid var(--ink);
}
.carousel__btn--prev::before { transform: rotate(-135deg); margin-left: 4px; }
.carousel__btn--next::before { transform: rotate(45deg); margin-right: 4px; }

.carousel__dots {
  display: flex; gap: .5rem; justify-content: center;
  position: absolute; bottom: 1rem; left: 0; right: 0;
}
.carousel__dots button {
  width: 12px; height: 12px; border-radius: 50%; padding: 0;
  border: 2px solid #fff; background: transparent; cursor: pointer;
}
.carousel__dots button[aria-current="true"] { background: #fff; }

/* ---------- sections ---------- */
.section { padding: 4rem 0; }
.section--soft { background: var(--bg-soft); }
.section__head { text-align: center; max-width: 720px; margin: 0 auto 2.5rem; }
.section__head h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
.eyebrow {
  font-family: var(--font-head); text-transform: uppercase;
  color: var(--accent); font-weight: 600; letter-spacing: .08em;
  display: block; margin-bottom: .5rem;
}

.split { display: grid; gap: 2.5rem; align-items: center; }
@media (min-width: 900px) { .split { grid-template-columns: 1fr 1fr; } }
.split h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); margin-bottom: 1rem; }
.split p + p { margin-top: 1rem; }
.split img { border-radius: var(--radius); }

/* product strip on the home page */
.section-product {
  background: url("../img/product-bg.jpg") center / cover no-repeat;
}
.section-product .section__head h2 { color: #fff; }

.card-grid {
  display: grid; gap: var(--gap);
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
}
.card {
  background: #fff; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow); text-align: center;
  color: var(--ink); text-decoration: none;
  display: flex; flex-direction: column;
  transition: transform .18s;
}
a.card:hover { transform: translateY(-4px); }
.card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.card__body { padding: 1rem; }
.card__title {
  font-family: var(--font-head); text-transform: uppercase;
  font-size: 1rem; font-weight: 600; margin-bottom: .25rem;
}
.card__spec { font-size: .85rem; color: var(--ink-soft); line-height: 1.5; }

/* clients */
.client-grid {
  display: grid; gap: var(--gap); align-items: center;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}
.client-grid img { margin-inline: auto; filter: grayscale(1); opacity: .75; transition: filter .2s, opacity .2s; }
.client-grid img:hover { filter: none; opacity: 1; }

/* stats */
.stat-grid {
  display: grid; gap: var(--gap);
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  text-align: center;
}
.stat__icon { width: 64px; margin: 0 auto 1rem; }
.stat__value { font-size: 2.5rem; font-family: var(--font-head); color: var(--accent); }
.stat__label { text-transform: uppercase; font-size: .85rem; letter-spacing: .04em; }

/* hero banner on interior pages */
.page-hero {
  background: linear-gradient(rgba(0, 0, 0, .55), rgba(0, 0, 0, .55)),
              url("../img/cadre-hero-bg.jpg") center / cover no-repeat;
  color: #fff; min-height: 260px;
  display: grid; place-items: center; text-align: center; padding: 2rem 0;
}
.page-hero h1 { font-size: clamp(2rem, 6vw, 3.5rem); }
.breadcrumb { font-size: .875rem; margin-top: .5rem; }
.breadcrumb ol { display: flex; gap: .5rem; justify-content: center; flex-wrap: wrap; }
.breadcrumb a { color: #fff; }
.breadcrumb li + li::before { content: "/"; margin-right: .5rem; opacity: .7; }

/* ---------- forms ---------- */
.form-card { background: var(--bg-soft); padding: 1.75rem; border-radius: var(--radius); }
.form-grid { display: grid; gap: 1rem; grid-template-columns: 1fr 1fr; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }
.field--full { grid-column: 1 / -1; }
/* Honeypot. Positioned off-screen rather than display:none -- some bots skip
   fields that are display:none, which is exactly the ones we want to catch. */
.field--hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.field label { display: block; font-size: .8rem; font-weight: 600; text-transform: uppercase; margin-bottom: .3rem; }
.field input, .field select, .field textarea {
  width: 100%; padding: .7rem .85rem; font: inherit;
  border: 1px solid var(--line); border-radius: var(--radius); background: #fff;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); }
.field textarea { min-height: 130px; resize: vertical; }
.form-note { font-size: .8rem; color: var(--ink-soft); margin-top: .75rem; }

.contact-list { display: grid; gap: 1rem; margin-top: 1.5rem; font-style: normal; }
.contact-list a { color: var(--accent); text-decoration: none; }
.contact-list a:hover { text-decoration: underline; }

/* ---------- footer ---------- */
.site-footer { background: var(--ink); color: #d8d8d8; padding-top: 3.5rem; }
.footer-grid {
  display: grid; gap: 2rem; padding-bottom: 3rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.footer-head { color: #fff; font-size: 1.05rem; margin-bottom: 1rem; }
.footer-links a, .footer-contact a, .footer-contact span {
  color: #d8d8d8; text-decoration: none; display: block; margin-bottom: .5rem;
}
.footer-links a:hover, .footer-contact a:hover { color: #fff; text-decoration: underline; }
.footer-contact { font-style: normal; display: grid; gap: .25rem; }
.copyright {
  background: #000; color: #fff; text-align: center;
  padding: .85rem 0; font-size: .85rem;
}