/* Oliver Solutions — preview site
   Navy / amber electrical craft aesthetic — mobile-first, vanilla CSS */

:root {
  --navy-950: #061225;
  --navy-900: #0B1F3A;
  --navy-800: #132A4A;
  --navy-700: #1A3A5C;
  --navy-100: #E8EEF5;
  --amber-500: #F5A623;
  --amber-400: #FFB84D;
  --amber-600: #D9890A;
  --amber-50: #FFF8EB;
  --slate-50: #F7F8FA;
  --slate-100: #EEF1F5;
  --slate-200: #DCE2EA;
  --slate-500: #6B7A8D;
  --slate-700: #3A4656;
  --slate-900: #1A2330;
  --white: #FFFFFF;
  --success: #1B8A5A;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(11, 31, 58, 0.08);
  --shadow-lg: 0 12px 40px rgba(11, 31, 58, 0.14);
  --font: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --max: 1120px;
  --header-h: 72px;
  --focus: 0 0 0 3px rgba(245, 166, 35, 0.55);
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--slate-900);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; height: auto; display: block; }

a {
  color: var(--navy-800);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
}
a:hover { color: var(--amber-600); }
a:focus-visible,
button:focus-visible,
.btn:focus-visible,
.nav-toggle:focus-visible,
.faq-q:focus-visible,
.lang-switch a:focus-visible {
  outline: none;
  box-shadow: var(--focus);
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 1000;
  background: var(--amber-500);
  color: var(--navy-950);
  padding: 0.75rem 1.25rem;
  font-weight: 700;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* —— Header —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 31, 58, 0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(245, 166, 35, 0.15);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: var(--header-h);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--white);
  font-weight: 700;
  letter-spacing: -0.02em;
}
.logo:hover { color: var(--amber-400); }
.logo img, .logo svg { width: 42px; height: 42px; flex-shrink: 0; }
.logo-text { font-size: 1.05rem; line-height: 1.2; }
.logo-text small {
  display: block;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--amber-400);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--white);
  border-radius: 1px;
  transition: transform 0.2s, opacity 0.2s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-nav {
  position: fixed;
  inset: var(--header-h) 0 auto 0;
  background: var(--navy-900);
  padding: 1rem 0 1.5rem;
  transform: translateY(-120%);
  opacity: 0;
  visibility: hidden;
  transition: transform 0.25s ease, opacity 0.25s ease, visibility 0.25s;
  border-bottom: 2px solid var(--amber-500);
}
.site-nav.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}
.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.site-nav a {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--white);
  text-decoration: none;
  font-weight: 500;
  border-radius: 8px;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: rgba(245, 166, 35, 0.12);
  color: var(--amber-400);
}

.header-actions {
  display: none;
  align-items: center;
  gap: 0.75rem;
}

.lang-switch {
  display: flex;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
}
.lang-switch a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  padding: 0.35rem 0.5rem;
  border-radius: 6px;
}
.lang-switch a:hover,
.lang-switch a[aria-current="true"] {
  color: var(--amber-400);
  background: rgba(245, 166, 35, 0.12);
}

.nav-mobile-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
  padding: 1rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}

@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .site-nav {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    background: transparent;
    padding: 0;
    border: none;
  }
  .site-nav ul {
    flex-direction: row;
    align-items: center;
    gap: 0.15rem;
  }
  .site-nav a {
    padding: 0.5rem 0.75rem;
    font-size: 0.95rem;
  }
  .header-actions { display: flex; }
  .nav-mobile-meta { display: none; }
  .header-inner { gap: 1.5rem; }
  .site-nav { margin-left: auto; }
}

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.35rem;
  font: inherit;
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.2;
  text-decoration: none;
  border-radius: 10px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s, transform 0.15s;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--amber-500);
  color: var(--navy-950);
  border-color: var(--amber-500);
}
.btn-primary:hover {
  background: var(--amber-400);
  color: var(--navy-950);
  border-color: var(--amber-400);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.45);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.1);
  color: var(--white);
  border-color: var(--white);
}

.btn-outline {
  background: transparent;
  color: var(--navy-900);
  border-color: var(--navy-900);
}
.btn-outline:hover {
  background: var(--navy-900);
  color: var(--white);
}

.btn-ghost {
  background: var(--amber-50);
  color: var(--navy-900);
  border-color: var(--amber-50);
}
.btn-ghost:hover {
  background: var(--amber-500);
  color: var(--navy-950);
}

.btn-sm { padding: 0.55rem 1rem; font-size: 0.875rem; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* —— Hero —— */
.hero {
  position: relative;
  background:
    radial-gradient(ellipse 80% 60% at 85% 20%, rgba(245, 166, 35, 0.18), transparent 55%),
    radial-gradient(ellipse 60% 50% at 10% 80%, rgba(26, 58, 92, 0.5), transparent 50%),
    linear-gradient(160deg, var(--navy-950) 0%, var(--navy-900) 45%, var(--navy-800) 100%);
  color: var(--white);
  padding: 3.5rem 0 4rem;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(245, 166, 35, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 166, 35, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  mask-image: linear-gradient(to bottom, black 40%, transparent 100%);
}

.hero .container { position: relative; z-index: 1; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  background: rgba(245, 166, 35, 0.15);
  border: 1px solid rgba(245, 166, 35, 0.35);
  border-radius: 999px;
  color: var(--amber-400);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  margin-bottom: 1.25rem;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 5vw, 3.15rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  max-width: 16ch;
}
.hero-lead {
  margin: 0 0 1.75rem;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: rgba(255,255,255,0.82);
  max-width: 38ch;
  line-height: 1.55;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.75rem;
  margin-top: 2.25rem;
  padding-top: 1.75rem;
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 0.9rem;
  color: rgba(255,255,255,0.7);
}
.hero-trust strong {
  display: block;
  color: var(--white);
  font-size: 0.95rem;
}

/* —— Sections —— */
.section {
  padding: 4rem 0;
}
.section-alt { background: var(--slate-50); }
.section-navy {
  background: var(--navy-900);
  color: var(--white);
}
.section-navy a { color: var(--amber-400); }
.section-navy a:hover { color: var(--amber-500); }

.section-head {
  margin-bottom: 2.25rem;
  max-width: 40rem;
}
.section-head h2 {
  margin: 0 0 0.65rem;
  font-size: clamp(1.6rem, 3.5vw, 2.1rem);
  letter-spacing: -0.025em;
  line-height: 1.2;
  color: var(--navy-900);
}
.section-navy .section-head h2 { color: var(--white); }
.section-head p {
  margin: 0;
  color: var(--slate-500);
  font-size: 1.05rem;
}
.section-navy .section-head p { color: rgba(255,255,255,0.7); }

.eyebrow {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber-600);
}
.section-navy .eyebrow { color: var(--amber-400); }

/* —— Services grid —— */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 600px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
}

.service-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s;
}
.service-card:hover {
  border-color: rgba(245, 166, 35, 0.5);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.service-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--amber-50), #FFE8B8);
  color: var(--amber-600);
  border-radius: 12px;
  margin-bottom: 1rem;
}
.service-icon svg { width: 24px; height: 24px; }
.service-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
  color: var(--navy-900);
  letter-spacing: -0.01em;
}
.service-card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--slate-500);
  line-height: 1.55;
}

/* —— About —— */
.about-grid {
  display: grid;
  gap: 2rem;
  align-items: center;
}
@media (min-width: 800px) {
  .about-grid { grid-template-columns: 1.1fr 0.9fr; gap: 3rem; }
}

.about-panel {
  background: linear-gradient(145deg, var(--navy-900), var(--navy-800));
  border-radius: var(--radius-lg);
  padding: 2rem;
  color: var(--white);
  position: relative;
  overflow: hidden;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.about-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(245, 166, 35, 0.25), transparent 45%),
    repeating-linear-gradient(
      -12deg,
      transparent,
      transparent 18px,
      rgba(255,255,255,0.02) 18px,
      rgba(255,255,255,0.02) 19px
    );
}
.about-panel > * { position: relative; z-index: 1; }
.about-panel .panel-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber-400);
  margin-bottom: 0.5rem;
}
.about-panel h3 {
  margin: 0 0 0.5rem;
  font-size: 1.4rem;
}
.about-panel p {
  margin: 0;
  color: rgba(255,255,255,0.75);
  font-size: 0.95rem;
}

.about-copy p { margin: 0 0 1rem; color: var(--slate-700); }
.about-copy p:last-child { margin-bottom: 0; }

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
  list-style: none;
  padding: 0;
}
.pill-list li {
  background: var(--slate-100);
  color: var(--navy-800);
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
}

/* —— Gallery placeholders —— */
.gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
@media (min-width: 700px) {
  .gallery-grid { grid-template-columns: repeat(4, 1fr); gap: 1rem; }
}

.gallery-card {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-align: center;
  padding: 1rem;
  color: rgba(255,255,255,0.85);
  font-size: 0.85rem;
  font-weight: 600;
  border: 1px solid rgba(255,255,255,0.08);
}
.gallery-card svg {
  width: 28px;
  height: 28px;
  opacity: 0.7;
}
.gallery-card:nth-child(1) {
  background: linear-gradient(145deg, #132A4A, #1A3A5C);
}
.gallery-card:nth-child(2) {
  background: linear-gradient(145deg, #0B1F3A, #2A4060);
}
.gallery-card:nth-child(3) {
  background: linear-gradient(160deg, #1A3A5C, #0B1F3A 70%);
}
.gallery-card:nth-child(4) {
  background: linear-gradient(135deg, #243B55, #0B1F3A);
}
.gallery-note {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--slate-500);
  font-style: italic;
}

/* —— FAQ —— */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  max-width: 720px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-radius: var(--radius);
  overflow: hidden;
}
.faq-item.is-open { border-color: rgba(245, 166, 35, 0.45); }

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 1.25rem;
  background: transparent;
  border: none;
  font: inherit;
  font-weight: 650;
  font-size: 1rem;
  text-align: left;
  color: var(--navy-900);
  cursor: pointer;
}
.faq-q:hover { color: var(--amber-600); }
.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--amber-50);
  color: var(--amber-600);
  display: grid;
  place-items: center;
  font-size: 1.25rem;
  line-height: 1;
  transition: transform 0.2s, background 0.2s;
}
.faq-item.is-open .faq-icon {
  transform: rotate(45deg);
  background: var(--amber-500);
  color: var(--navy-950);
}

.faq-a {
  display: none;
  padding: 0 1.25rem 1.15rem;
  color: var(--slate-700);
  font-size: 0.98rem;
}
.faq-item.is-open .faq-a { display: block; }
.faq-a p { margin: 0; }

/* —— Contact strip —— */
.contact-strip {
  padding: 3.5rem 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(245, 166, 35, 0.12), transparent 50%),
    var(--navy-950);
  color: var(--white);
}
.contact-inner {
  display: grid;
  gap: 2rem;
}
@media (min-width: 800px) {
  .contact-inner {
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
  }
}
.contact-strip h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.02em;
}
.contact-strip > .container > .contact-inner > div > p {
  margin: 0 0 1.5rem;
  color: rgba(255,255,255,0.75);
}

.contact-cards {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 1rem 1.15rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--white);
  transition: background 0.15s, border-color 0.15s;
}
.contact-card:hover {
  background: rgba(245, 166, 35, 0.1);
  border-color: rgba(245, 166, 35, 0.4);
  color: var(--white);
}
.contact-card .cc-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  background: var(--amber-500);
  color: var(--navy-950);
  border-radius: 10px;
  font-weight: 800;
  font-size: 0.85rem;
}
.contact-card strong {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 0.15rem;
}
.contact-card span {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.65);
}

.nap-block {
  margin-top: 1.5rem;
  padding: 1rem 1.15rem;
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius);
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(255,255,255,0.8);
}
.nap-block strong { color: var(--white); }

/* —— Footer —— */
.site-footer {
  background: var(--navy-950);
  color: rgba(255,255,255,0.65);
  padding: 2.5rem 0 1.5rem;
  font-size: 0.9rem;
  border-top: 1px solid rgba(245, 166, 35, 0.2);
}
.footer-grid {
  display: grid;
  gap: 1.75rem;
  margin-bottom: 2rem;
}
@media (min-width: 700px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
}
.site-footer h3 {
  margin: 0 0 0.75rem;
  color: var(--white);
  font-size: 0.95rem;
}
.site-footer a {
  color: rgba(255,255,255,0.75);
  text-decoration: none;
}
.site-footer a:hover { color: var(--amber-400); }
.footer-nap {
  line-height: 1.7;
}
.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-links li { margin-bottom: 0.4rem; }
.footer-bottom {
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  font-size: 0.82rem;
}

/* —— Legal pages —— */
.legal-hero {
  background: var(--navy-900);
  color: var(--white);
  padding: 2.5rem 0;
}
.legal-hero h1 {
  margin: 0;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
}
.legal-content {
  padding: 3rem 0 4rem;
  max-width: 720px;
}
.legal-content h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.25rem;
  color: var(--navy-900);
}
.legal-content h2:first-child { margin-top: 0; }
.legal-content p, .legal-content li {
  color: var(--slate-700);
}
.legal-content ul { padding-left: 1.25rem; }

/* —— Utilities —— */
.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;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}