/* Ledlux Solutions - stylesheet
   Palette: slate #1B2230, daylight #F4F7FB, amber #F2A93B, mist #CFE0F5, rule #D5DCE6 */

:root {
  --slate: #1B2230;
  --daylight: #F4F7FB;
  --amber: #F2A93B;
  --amber-dark: #B87414;
  --mist: #CFE0F5;
  --rule: #D5DCE6;
  --muted: #515C70;
  --blue: #1E4FD8;
  --error: #B3261E;
  --ok: #18794E;
  --font-head: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Public Sans', 'Segoe UI', Arial, sans-serif;
  --max: 1120px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font: 400 1.0625rem/1.6 var(--font-body);
  color: var(--slate);
  background: #fff;
}
img, svg, iframe { max-width: 100%; }

h1, h2, h3 {
  font-family: var(--font-head);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 0.5em;
}
h1 { font-size: clamp(2.2rem, 5.5vw, 3.8rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); }
h3, .h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; max-width: 62ch; }
address { font-style: normal; margin-bottom: 1em; }
a { color: var(--blue); }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; border-radius: 2px; }

.wrap { width: min(100% - 2.5rem, var(--max)); margin-inline: auto; }
.lead { font-size: 1.2rem; color: var(--muted); }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--slate); color: #fff; padding: 0.75rem 1rem; z-index: 100;
}
.skip-link:focus { left: 0.5rem; top: 0.5rem; }

/* Header */
.site-header { position: relative; border-bottom: 1px solid var(--rule); background: #fff; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 72px; }
.brand { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; color: var(--slate); }
.brand-text { font: 800 1.3rem var(--font-head); }
.brand-text span { font-weight: 600; }
.nav ul { display: flex; gap: 1.6rem; list-style: none; margin: 0; padding: 0; }
.nav a {
  color: var(--slate); text-decoration: none; font-weight: 600;
  padding: 0.4rem 0; border-bottom: 2px solid transparent;
}
.nav a:hover, .nav a[aria-current="page"] { border-color: var(--amber); }
.nav-toggle {
  display: none; background: none; border: 2px solid var(--slate); color: var(--slate);
  border-radius: 6px; padding: 0.5rem 0.9rem; font: 600 1rem var(--font-body); cursor: pointer; min-height: 44px;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.8rem 1.3rem; min-height: 48px; border-radius: 6px;
  font: 600 1rem var(--font-body); text-decoration: none;
  border: 2px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--amber); color: var(--slate); }
.btn-primary:hover { background: #F6BC5E; }
.btn-line { border-color: var(--slate); color: var(--slate); background: transparent; }
.btn-line:hover { background: var(--slate); color: #fff; }
.btn-light { border-color: #fff; color: #fff; background: transparent; }
.btn-light:hover { background: #fff; color: var(--slate); }

/* Hero */
.hero { padding: clamp(2rem, 6vw, 4.5rem) 0; }
.hero .wrap { display: grid; gap: 2.5rem; grid-template-columns: 1fr; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.5rem; }

.lamp {
  --g: 255, 214, 150;
  position: relative; overflow: hidden;
  display: flex; flex-direction: column; justify-content: flex-end;
  min-height: 420px; padding: 1.5rem;
  background: var(--slate); color: #fff; border-radius: 20px;
}
.lamp-fixture {
  position: absolute; top: 0; left: 50%; width: 96px; height: 12px;
  transform: translateX(-50%); background: #E8EDF5; border-radius: 0 0 10px 10px; z-index: 2;
}
.lamp-cone {
  position: absolute; top: 12px; left: 0; right: 0; height: 58%;
  background: linear-gradient(rgba(var(--g), 0.95), rgba(var(--g), 0));
  clip-path: polygon(42% 0, 58% 0, 100% 100%, 0 100%);
}
.lamp-floor {
  position: absolute; left: 8%; right: 8%; top: calc(58% - 20px); height: 90px;
  background: radial-gradient(ellipse at center, rgba(var(--g), 0.3), rgba(var(--g), 0) 70%);
}
.lamp-body { position: relative; z-index: 1; }
.lamp-kelvin { font: 800 2.8rem/1 var(--font-head); margin: 0 0 0.35rem; }
.lamp-name { font-weight: 600; margin: 0 0 0.25rem; }
.lamp-use { color: #C9D3E3; margin-bottom: 1.25rem; }
.lamp label { display: block; font-size: 0.95rem; color: #C9D3E3; margin-bottom: 0.5rem; }
.lamp input[type="range"] { width: 100%; accent-color: var(--amber); height: 28px; cursor: pointer; }

/* Sections */
.section { padding: clamp(2.5rem, 6vw, 4.5rem) 0; }
.section-tint { background: var(--daylight); }
.section-dark { background: var(--slate); color: #fff; }
.section-dark a:not(.btn) { color: var(--mist); }
.section-head { margin-bottom: 2rem; }
.section-link { margin-top: 2rem; }
.page-intro { padding-bottom: clamp(1.5rem, 4vw, 2.5rem); }

.service-grid { display: grid; gap: 0 3rem; grid-template-columns: 1fr; }
.service { padding: 1.4rem 0; border-top: 2px solid var(--slate); }
.service p { margin-bottom: 0.5rem; }
.service .for { color: var(--muted); font-size: 0.95rem; }

.steps { list-style: none; counter-reset: step; margin: 0; padding: 0; display: grid; gap: 1.5rem; }
.steps li { counter-increment: step; padding-top: 1rem; border-top: 2px solid var(--amber); }
.steps li::before {
  content: counter(step); display: block;
  font: 800 2rem/1 var(--font-head); color: var(--amber-dark); margin-bottom: 0.5rem;
}

.visit, .visit-light { display: grid; gap: 1.5rem; align-items: center; grid-template-columns: 1fr; }
.visit .hero-actions, .visit-light .hero-actions { margin-top: 0; }

/* Contact */
.contact-grid { display: grid; gap: 2.5rem; grid-template-columns: 1fr; }
.form-row { margin-bottom: 1.1rem; }
label { display: block; font-weight: 600; margin-bottom: 0.35rem; }
input[type="text"], input[type="tel"], input[type="email"], textarea {
  width: 100%; padding: 0.75rem 0.85rem; font: inherit; color: var(--slate);
  background: #fff; border: 1.5px solid #8A95A8; border-radius: 6px;
}
input[aria-invalid="true"], textarea[aria-invalid="true"] { border-color: var(--error); }
textarea { min-height: 150px; resize: vertical; }
.hint { color: var(--muted); font-weight: 400; font-size: 0.95rem; }
.field-error { color: var(--error); font-size: 0.95rem; margin: 0.35rem 0 0; }
.alert { padding: 1rem 1.2rem; border-radius: 8px; border: 1.5px solid; margin-bottom: 1.5rem; }
.alert-ok { border-color: var(--ok); background: #EAF6EF; }
.alert-err { border-color: var(--error); background: #FDECEA; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.map iframe { width: 100%; height: 280px; border: 0; border-radius: 12px; margin-top: 0.5rem; }

/* Footer */
.site-footer { background: var(--slate); color: #D9E0EC; padding-top: 3rem; }
.site-footer a { color: #fff; }
.footer-grid { display: grid; gap: 2rem; grid-template-columns: 1fr; }
.footer-name { font: 800 1.3rem var(--font-head); color: #fff; margin-bottom: 0.4rem; }
.footer-head { font-weight: 600; color: #fff; margin-bottom: 0.4rem; }
.footer-base { border-top: 1px solid #36405A; margin-top: 2rem; padding: 1.2rem 0; font-size: 0.95rem; }
.footer-base p { margin: 0; }

.mobile-bar { display: none; }

/* Wider screens */
@media (min-width: 760px) {
  .service-grid { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .visit, .visit-light { grid-template-columns: 1fr auto; }
  .footer-grid { grid-template-columns: 1.3fr 1fr 1fr; }
}
@media (min-width: 900px) {
  .hero .wrap { grid-template-columns: 1.05fr 0.95fr; align-items: center; }
  .contact-grid { grid-template-columns: 1.2fr 0.8fr; align-items: start; }
}

/* Small screens */
@media (max-width: 760px) {
  .header-cta { display: none; }
  .js .nav-toggle { display: inline-block; }
  .js .nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    background: #fff; border-bottom: 1px solid var(--rule); padding: 0.5rem 1.25rem 1rem; z-index: 50;
  }
  .js .nav.open { display: block; }
  .nav ul { flex-direction: column; gap: 0; }
  .nav a { display: block; padding: 0.8rem 0; }
  .no-js .site-header .wrap { flex-wrap: wrap; }
  .no-js .nav ul { flex-wrap: wrap; flex-direction: row; gap: 1rem; }
}
@media (max-width: 700px) {
  body { padding-bottom: 80px; }
  .mobile-bar {
    display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
    padding: 0.6rem 0.6rem calc(0.6rem + env(safe-area-inset-bottom));
    background: #fff; border-top: 1px solid var(--rule);
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}