/* Pacific Power Engineering - Site Stylesheet */
:root {
  --primary: #0a3d62;
  --primary-dark: #062a45;
  --accent: #f39c12;
  --accent-dark: #d97e0a;
  --text: #2c3e50;
  --muted: #6b7785;
  --light: #f5f7fa;
  --white: #ffffff;
  --border: #e3e8ee;
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
  --radius: 8px;
  --transition: all 0.25s ease;
  --max-width: 1200px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, system-ui, sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

/* ---------- Top bar ---------- */
.topbar {
  background: var(--primary-dark);
  color: var(--white);
  font-size: 0.875rem;
  padding: 8px 0;
}
.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.topbar a { color: var(--white); }
.topbar a:hover { color: var(--accent); }
.topbar .tagline { opacity: 0.9; }
.topbar .topbar-right { display: flex; gap: 18px; align-items: center; }
.topbar .topbar-right a { display: inline-flex; align-items: center; gap: 6px; }

/* ---------- Header / Nav ---------- */
.site-header {
  background: var(--white);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo img { height: 60px; width: auto; }
.logo-text { font-weight: 700; color: var(--primary); font-size: 1.1rem; line-height: 1.2; }
.logo-text small { display: block; font-weight: 400; font-size: 0.75rem; color: var(--muted); }

nav.main-nav ul {
  list-style: none;
  display: flex;
  gap: 4px;
  align-items: center;
}
nav.main-nav li { position: relative; }
nav.main-nav a {
  display: block;
  padding: 10px 16px;
  color: var(--text);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius);
}
nav.main-nav a:hover,
nav.main-nav a.active {
  background: var(--light);
  color: var(--primary);
}
nav.main-nav .dropdown > a::after { content: ' ▾'; font-size: 0.7em; }
nav.main-nav .dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 260px;
  background: var(--white);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: var(--transition);
  list-style: none;
  display: block;
}
nav.main-nav .dropdown:hover .dropdown-menu,
nav.main-nav .dropdown:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
nav.main-nav .dropdown-menu a {
  border-radius: 0;
  padding: 10px 18px;
}

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--primary);
  margin: 5px 0;
  border-radius: 2px;
  transition: var(--transition);
}

/* ---------- Hero / Slider ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--primary-dark);
  color: var(--white);
  min-height: 480px;
  display: flex;
  align-items: center;
}
.slides { position: absolute; inset: 0; }
.slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1s ease;
}
.slide::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(6,42,69,0.85), rgba(6,42,69,0.55));
}
.slide.active { opacity: 1; }
.hero .container {
  position: relative;
  z-index: 2;
  padding: 80px 20px;
}
.hero h1 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  margin-bottom: 16px;
  max-width: 800px;
  line-height: 1.2;
}
.hero p {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  max-width: 700px;
  margin-bottom: 28px;
  opacity: 0.95;
}
.hero .btn { margin-right: 12px; margin-bottom: 8px; }

.slider-dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 3;
}
.slider-dots button {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--white);
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: var(--transition);
}
.slider-dots button.active { background: var(--accent); border-color: var(--accent); }

/* ---------- Page header (sub-pages) ---------- */
.page-header {
  background: linear-gradient(120deg, var(--primary), var(--primary-dark));
  color: var(--white);
  padding: 70px 0 60px;
  text-align: center;
}
.page-header h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: 8px;
}
.breadcrumb {
  font-size: 0.9rem;
  opacity: 0.85;
}
.breadcrumb a { color: var(--white); }
.breadcrumb a:hover { color: var(--accent); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 12px 26px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}
.btn-primary { background: var(--accent); color: var(--white); }
.btn-primary:hover { background: var(--accent-dark); color: var(--white); transform: translateY(-2px); }
.btn-outline { background: transparent; color: var(--white); border-color: var(--white); }
.btn-outline:hover { background: var(--white); color: var(--primary); }

/* ---------- Sections ---------- */
section { padding: 70px 0; }
.section-title {
  text-align: center;
  margin-bottom: 50px;
}
.section-title h2 {
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  color: var(--primary);
  margin-bottom: 10px;
}
.section-title p { color: var(--muted); max-width: 700px; margin: 0 auto; }

/* ---------- Intro / About snippet ---------- */
.intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}
.intro img { border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.intro h2 { color: var(--primary); font-size: 2rem; margin-bottom: 16px; }
.intro ul.bullets { list-style: none; margin-top: 18px; }
.intro ul.bullets li {
  padding: 10px 0 10px 30px;
  position: relative;
  border-bottom: 1px dashed var(--border);
}
.intro ul.bullets li::before {
  content: '⚡';
  position: absolute;
  left: 0;
  top: 10px;
  color: var(--accent);
  font-weight: bold;
}
.intro ul.bullets li:last-child { border: 0; }

/* ---------- Services grid ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
}
.service-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.service-card .img-wrap {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--light);
}
.service-card .img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.service-card:hover .img-wrap img { transform: scale(1.05); }
.service-card .body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.service-card h3 { color: var(--primary); margin-bottom: 10px; font-size: 1.15rem; }
.service-card p { color: var(--muted); margin-bottom: 16px; flex: 1; }
.service-card .read-more {
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.service-card .read-more::after { content: '→'; transition: var(--transition); }
.service-card .read-more:hover::after { transform: translateX(4px); }

/* ---------- Articles (3 col on home) ---------- */
.articles { background: var(--light); }
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}
.article-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.article-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.article-card img { width: 100%; height: 200px; object-fit: cover; }
.article-card .body { padding: 22px; }
.article-card h3 { color: var(--primary); margin-bottom: 10px; font-size: 1.1rem; }
.article-card p { color: var(--muted); font-size: 0.95rem; }

/* ---------- CTA banner ---------- */
.cta-banner {
  background: linear-gradient(120deg, var(--primary), var(--primary-dark));
  color: var(--white);
  padding: 50px 0;
  text-align: center;
}
.cta-banner h2 { font-size: clamp(1.4rem, 2.4vw, 2rem); margin-bottom: 8px; }
.cta-banner p { opacity: 0.9; margin-bottom: 20px; }

/* ---------- Generic content sections ---------- */
.content-section {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 50px;
  align-items: center;
  margin-bottom: 60px;
}
.content-section:last-child { margin-bottom: 0; }
.content-section.reverse { grid-template-columns: 1fr 1.2fr; }
.content-section.reverse .text { order: 2; }
.content-section img { border-radius: var(--radius); box-shadow: var(--shadow-lg); }
.content-section h2 { color: var(--primary); font-size: 1.8rem; margin-bottom: 14px; }
.content-section h3 { color: var(--primary); font-size: 1.25rem; margin: 20px 0 12px; }
.content-section p { margin-bottom: 14px; color: var(--text); }
.content-section ul.feature-list { list-style: none; margin-top: 14px; }
.content-section ul.feature-list li {
  position: relative;
  padding: 8px 0 8px 30px;
  border-bottom: 1px solid var(--border);
}
.content-section ul.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 18px;
  height: 18px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: inset 0 0 0 4px var(--white), 0 0 0 1px var(--accent);
}
.content-section ul.feature-list li:last-child { border: 0; }

/* ---------- Clients grid ---------- */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
  align-items: center;
}
.client-logo {
  background: var(--white);
  padding: 30px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
  transition: var(--transition);
}
.client-logo:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.client-logo img {
  max-height: 120px;
  width: auto;
  object-fit: contain;
  filter: grayscale(20%);
  transition: var(--transition);
}
.client-logo:hover img { filter: grayscale(0%); }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 50px;
}
.contact-info h3 { color: var(--primary); margin-bottom: 18px; }
.contact-info ul { list-style: none; }
.contact-info li {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.contact-info .icon {
  flex: 0 0 36px;
  height: 36px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}
.contact-info .label { color: var(--muted); font-size: 0.85rem; display: block; }
.contact-info .value { color: var(--text); font-weight: 600; }

.contact-form {
  background: var(--white);
  padding: 30px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
  background: var(--white);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(10, 61, 98, 0.1);
}
.form-status {
  margin-top: 14px;
  padding: 10px 14px;
  border-radius: var(--radius);
  display: none;
}
.form-status.success { display: block; background: #e6f7ec; color: #1e7e34; border: 1px solid #b7e4c3; }
.form-status.error { display: block; background: #fbeaea; color: #b02a37; border: 1px solid #f1c2c2; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--primary-dark);
  color: #cdd6df;
  padding: 60px 0 20px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.site-footer h4 {
  color: var(--white);
  margin-bottom: 18px;
  font-size: 1.05rem;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--accent);
  display: inline-block;
}
.site-footer p { font-size: 0.92rem; line-height: 1.7; }
.site-footer ul { list-style: none; }
.site-footer ul li { padding: 6px 0; }
.site-footer a { color: #cdd6df; }
.site-footer a:hover { color: var(--accent); }
.footer-logo img { height: 70px; margin-bottom: 14px; background: var(--white); padding: 8px; border-radius: var(--radius); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  color: #8a98a8;
}
.social-links { display: flex; gap: 10px; margin-top: 10px; }
.social-links a {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
}
.social-links a:hover { background: var(--accent); }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .intro, .content-section, .content-section.reverse, .contact-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .content-section.reverse .text { order: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: block; }
  nav.main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
  }
  nav.main-nav.open { max-height: 600px; }
  nav.main-nav ul {
    flex-direction: column;
    align-items: stretch;
    padding: 12px 16px;
    gap: 0;
  }
  nav.main-nav li { border-bottom: 1px solid var(--border); }
  nav.main-nav li:last-child { border: 0; }
  nav.main-nav .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    padding-left: 14px;
    display: none;
  }
  nav.main-nav .dropdown.open .dropdown-menu { display: block; }
  .hero { min-height: 380px; }
  .hero .container { padding: 60px 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .topbar .container { justify-content: center; text-align: center; }
}