/*
Theme Name: CIE - Consulting Infra Engineers
Theme URI: https://consultinginfra.com
Author: Consulting Infra Engineers
Author URI: https://consultinginfra.com
Description: Professional WordPress theme for Consulting Infra Engineers (CIE) – a structural and infrastructure engineering consultancy. Features hero slider, services, counters, projects gallery, team, and contact form.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: cie-theme
Tags: business, engineering, infrastructure, one-page, responsive
*/

/* =============================================
   RESET & BASE
   ============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --cie-navy:    #0f2747;
  --cie-steel:   #4f6278;
  --cie-sky:     #5eaed8;
  --cie-accent:  #f28c28;
  --cie-white:   #ffffff;
  --cie-light:   #f3f7fb;
  --cie-dark:    #101b2d;
  --cie-gray:    #8d9aa8;
  --font-main:   'Source Sans Pro', sans-serif;
  --font-head:   'Poppins', sans-serif;
  --font-work:   'Work Sans', sans-serif;
}

body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.7;
  color: var(--cie-steel);
  background: var(--cie-white);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  color: var(--cie-navy);
  line-height: 1.3;
  margin-bottom: 15px;
}
h1 { font-size: 2.8rem; }
h2 { font-size: 2rem; font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 600; }
h4 { font-size: 1rem; }

p { margin-bottom: 15px; }
a { color: var(--cie-sky); text-decoration: none; transition: color .3s; }
a:hover { color: var(--cie-accent); }
img { max-width: 100%; height: auto; }
ul { list-style: none; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section-padding { padding: 80px 0; }
.bg-light  { background: var(--cie-light); }
.bg-navy   { background: var(--cie-navy); }
.text-center { text-align: center; }

/* Buttons */
.btn-primary {
  display: inline-block;
  background: var(--cie-accent);
  color: #fff;
  font-family: var(--font-work);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .5px;
  text-transform: uppercase;
  padding: 12px 30px;
  border-radius: 3px;
  border: none;
  cursor: pointer;
  transition: background .3s;
}
.btn-primary:hover { background: #d97819; color: #fff; }

.btn-navy {
  background: var(--cie-navy);
}
.btn-navy:hover { background: var(--cie-accent); }

/* Section Heading */
.section-heading { margin-bottom: 50px; }
.section-heading span {
  display: inline-block;
  font-family: var(--font-work);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--cie-sky);
  margin-bottom: 10px;
}
.section-heading h2 { color: var(--cie-navy); }

/* =============================================
   HEADER / NAV
   ============================================= */
#site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--cie-navy);
  box-shadow: 0 2px 10px rgba(0,0,0,.15);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.site-logo img { max-height: 50px; }
.site-logo span { font-family: var(--font-head); font-size: 1.2rem; font-weight: 700; color: #fff; }

/* Nav */
#primary-nav ul { display: flex; gap: 0; }
#primary-nav ul li { position: relative; }
#primary-nav ul li a {
  display: block;
  padding: 0 16px;
  height: 70px;
  line-height: 70px;
  font-family: var(--font-work);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .4px;
  color: #e8f2fb;
  transition: color .3s;
}
#primary-nav ul li a:hover,
#primary-nav ul li.current-menu-item > a { color: var(--cie-sky); }

/* Dropdown */
#primary-nav ul li ul {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 260px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(0,0,0,.12);
  border-radius: 0 0 6px 6px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s, visibility .3s;
  z-index: 999;
}
#primary-nav ul li:hover > ul { opacity: 1; visibility: visible; }
#primary-nav ul li ul li a {
  height: auto;
  line-height: 1.5;
  padding: 10px 20px;
  color: var(--cie-navy);
  font-size: 13px;
  text-transform: none;
  border-bottom: 1px solid #f0f4f8;
}
#primary-nav ul li ul li:last-child a { border-bottom: none; }
#primary-nav ul li ul li a:hover { background: var(--cie-light); color: var(--cie-sky); }

/* CTA Button in header */
.header-cta { margin-left: 20px; }
.header-cta a {
  background: var(--cie-accent);
  color: #fff;
  font-family: var(--font-work);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  padding: 8px 18px;
  border-radius: 3px;
  white-space: nowrap;
  transition: background .3s;
}
.header-cta a:hover { background: #d97819; }

/* Mobile hamburger */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: .3s;
}

/* =============================================
   HERO SLIDER
   ============================================= */
.hero-slider { position: relative; overflow: hidden; }
.hero-slide {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.hero-slide .bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.hero-slide .overlay {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(15,39,71,.82) 0%, rgba(15,39,71,.48) 55%, rgba(15,39,71,.22) 100%);
}
.hero-slide video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 40px 20px;
}
.hero-content .subtitle {
  font-family: var(--font-work);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #9dd8f4;
  margin-bottom: 16px;
}
.hero-content h1 {
  color: #fff;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.15;
  margin-bottom: 20px;
  text-shadow: 0 4px 18px rgba(8,22,40,.35);
}
.hero-content p {
  color: #d5e4f3;
  font-size: 17px;
  line-height: 1.7;
  max-width: 620px;
  margin: 0 auto 30px;
}

/* Slider controls */
.slider-controls {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}
.slider-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,.4);
  border: none;
  cursor: pointer;
  transition: background .3s;
}
.slider-dot.active { background: var(--cie-accent); }

.slider-arrows {
  position: absolute;
  top: 50%;
  width: 100%;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 10;
  pointer-events: none;
}
.slider-arrow {
  pointer-events: all;
  width: 44px; height: 44px;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 50%;
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .3s;
}
.slider-arrow:hover { background: var(--cie-accent); border-color: var(--cie-accent); }

/* =============================================
   PROMO BOXES
   ============================================= */
.promo-section {
  background: var(--cie-white);
  padding: 70px 0;
}
.promo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 18px 40px rgba(13,35,63,.14);
  overflow: hidden;
}
.promo-item {
  padding: 36px 26px;
  text-align: center;
  border-right: 1px solid #dce6ef;
}
.promo-item:last-child { border-right: none; }
.promo-item .icon {
  font-size: 48px;
  color: var(--cie-sky);
  margin-bottom: 14px;
  display: block;
}
.promo-item h3 {
  font-size: 17px;
  color: var(--cie-navy);
  margin-bottom: 8px;
}
.promo-item p { font-size: 14px; color: var(--cie-steel); margin: 0; }

/* =============================================
   SERVICES SECTION
   ============================================= */
.services-section { background: var(--cie-light); }

.services-intro h2 { color: var(--cie-navy); margin-bottom: 20px; }
.services-intro p  { margin-bottom: 30px; }

.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.service-card {
  background: #fff;
  border: 1px solid #d7e2ed;
  border-radius: 8px;
  padding: 32px 24px;
  transition: all .3s ease;
}
.service-card:nth-child(even) { transform: translateY(24px); }
.service-card .icon {
  font-size: 44px;
  color: var(--cie-sky);
  display: block;
  margin-bottom: 12px;
}
.service-card h3 { font-size: 16px; color: var(--cie-navy); margin-bottom: 8px; }
.service-card p  { font-size: 14px; color: var(--cie-steel); margin: 0; line-height: 1.6; }
.service-card:hover {
  background: var(--cie-navy);
  border-color: var(--cie-navy);
  transform: translateY(-6px);
  box-shadow: 0 14px 24px rgba(14,34,61,.25);
}
.service-card:hover .icon,
.service-card:hover h3,
.service-card:hover p { color: #fff; }

/* =============================================
   COUNTER SECTION
   ============================================= */
.counter-section {
  background: var(--cie-navy);
  padding: 80px 0;
}
.counter-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}
.counter-item .number {
  font-family: var(--font-work);
  font-size: 3rem;
  font-weight: 700;
  color: #8fd0f3;
  display: block;
  line-height: 1;
  margin-bottom: 10px;
}
.counter-item h4 {
  font-family: var(--font-work);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #edf5fc;
  margin: 0;
}

/* =============================================
   PROJECTS GRID
   ============================================= */
.projects-section { background: #fff; }
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 40px;
}
.project-thumb {
  overflow: hidden;
  border-radius: 4px;
  position: relative;
}
.project-thumb img {
  width: 100%; height: 260px;
  object-fit: cover;
  transition: transform .4s ease;
}
.project-thumb:hover img { transform: scale(1.06); }
.project-thumb .project-overlay {
  position: absolute; inset: 0;
  background: rgba(15,39,71,.7);
  opacity: 0;
  transition: opacity .3s;
  display: flex;
  align-items: flex-end;
  padding: 20px;
}
.project-thumb:hover .project-overlay { opacity: 1; }
.project-overlay h4 { color: #fff; font-size: 14px; margin: 0; }
.project-overlay span { color: #9dd8f4; font-size: 12px; }

/* =============================================
   ABOUT / CONTENT SECTION
   ============================================= */
.content-section { background: var(--cie-white); }
.content-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.content-image img {
  width: 100%;
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(0,0,0,.12);
}
.content-text .tag {
  font-family: var(--font-work);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--cie-sky);
  margin-bottom: 10px;
  display: block;
}
.content-text h2 { color: var(--cie-navy); margin-bottom: 20px; }
.content-text p { margin-bottom: 16px; }

/* =============================================
   CLIENTS SECTION
   ============================================= */
.clients-section { background: var(--cie-light); }
.clients-section h2 { text-align: center; color: var(--cie-navy); margin-bottom: 40px; }
.clients-carousel {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  align-items: center;
}
.client-logo {
  width: 180px;
  height: 100px;
  background: #fff;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  box-shadow: 0 2px 10px rgba(0,0,0,.06);
  transition: box-shadow .3s;
}
.client-logo:hover { box-shadow: 0 6px 20px rgba(0,0,0,.12); }
.client-logo img { max-height: 70px; object-fit: contain; width: 100%; }

/* =============================================
   PAGE HEADER (inner pages)
   ============================================= */
.page-header-banner {
  position: relative;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-size: cover;
  background-position: center;
}
.page-header-banner::before {
  content: '';
  position: absolute; inset: 0;
  background: rgba(15,39,71,.65);
}
.page-header-banner .inner {
  position: relative;
  z-index: 1;
}
.page-header-banner h2 { color: #fff; font-size: 2.2rem; margin-bottom: 8px; }
.page-header-banner p { color: #d5e4f3; margin: 0; }

/* =============================================
   ABOUT PAGE
   ============================================= */
.about-section { background: var(--cie-white); }
.about-content h2 { color: var(--cie-navy); margin-bottom: 20px; }
.about-content ul {
  list-style: disc;
  padding-left: 20px;
  margin-bottom: 20px;
  color: var(--cie-steel);
}
.about-content ul li { margin-bottom: 8px; line-height: 1.6; }

.about-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 50px;
}
.highlight-card {
  background: var(--cie-light);
  border-radius: 8px;
  padding: 30px 24px;
  text-align: center;
  border-top: 3px solid var(--cie-sky);
}
.highlight-card .icon { font-size: 40px; color: var(--cie-sky); margin-bottom: 14px; display: block; }
.highlight-card h3 { font-size: 16px; color: var(--cie-navy); margin-bottom: 8px; }
.highlight-card p  { font-size: 14px; margin: 0; }

/* =============================================
   SERVICES / SPECIALIZATION PAGE
   ============================================= */
.specialization-list {
  max-width: 860px;
  margin: 0 auto;
}
.spec-item {
  background: #fff;
  border-radius: 6px;
  padding: 18px 24px 18px 54px;
  margin-bottom: 14px;
  box-shadow: 0 2px 8px rgba(0,0,0,.07);
  font-size: 17px;
  color: var(--cie-navy);
  position: relative;
  transition: box-shadow .3s, transform .2s;
}
.spec-item::before {
  content: '●';
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--cie-accent);
  font-size: 22px;
  line-height: 1;
}
.spec-item:hover {
  box-shadow: 0 6px 20px rgba(0,0,0,.12);
  transform: translateX(4px);
}

/* =============================================
   OUR TEAM PAGE
   ============================================= */
.team-section { background: #f4f4f4; }
.team-subsection { margin-bottom: 60px; }
.team-subsection-title {
  font-size: 1.5rem;
  color: var(--cie-navy);
  text-align: center;
  margin-bottom: 32px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--cie-accent);
  display: inline-block;
}
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 28px;
}
.team-card {
  background: #fff;
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0,0,0,.08);
  text-align: center;
  transition: transform .3s, box-shadow .3s;
}
.team-card:hover { transform: translateY(-6px); box-shadow: 0 12px 28px rgba(0,0,0,.14); }
.team-card img { width: 100%; height: 220px; object-fit: cover; }
.team-card-body { padding: 18px 14px; }
.team-card h3 { font-size: 17px; color: var(--cie-navy); margin-bottom: 4px; }
.team-card span { font-size: 13px; color: var(--cie-sky); display: block; }

/* =============================================
   CONTACT PAGE
   ============================================= */
.contact-section { background: var(--cie-light); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.contact-info h2 { color: var(--cie-navy); margin-bottom: 16px; }
.contact-info p  { margin-bottom: 20px; }
.contact-detail { margin-bottom: 10px; font-size: 15px; }
.contact-detail strong { color: var(--cie-navy); }
.contact-detail a { color: var(--cie-sky); }

.contact-form-wrap h3 { color: var(--cie-navy); margin-bottom: 24px; }
.form-group { margin-bottom: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #d0dcea;
  border-radius: 4px;
  font-size: 15px;
  font-family: var(--font-main);
  background: #fff;
  transition: border-color .3s;
  outline: none;
}
.form-control:focus { border-color: var(--cie-sky); }
textarea.form-control { height: 140px; resize: vertical; }
.form-notice { margin-top: 14px; font-size: 14px; padding: 10px 16px; border-radius: 4px; }
.form-notice.success { background: #e6f9f0; color: #1a7a4a; }
.form-notice.error   { background: #fde8e8; color: #c0392b; }

/* Map */
.map-wrap { margin-bottom: 60px; }
.map-wrap iframe { width: 100%; height: 380px; border: none; display: block; }

/* =============================================
   PROJECT DETAIL PAGES (Workorder, Proof, etc.)
   ============================================= */
.project-page-section { background: var(--cie-white); }
.project-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 36px;
}
.project-gallery img {
  width: 100%; height: 220px;
  object-fit: cover;
  border-radius: 4px;
  cursor: pointer;
  transition: transform .3s;
}
.project-gallery img:hover { transform: scale(1.04); }

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
  background: var(--cie-dark);
  padding: 64px 0 0;
  border-top: 1px solid rgba(255,255,255,.06);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.4fr 1.8fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-col h4 { color: #fff; font-size: 17px; margin-bottom: 18px; }
.footer-col p, .footer-col span, .footer-col a { color: #b9c8da; font-size: 14px; line-height: 1.8; }
.footer-col a:hover { color: #66bbe8; }
.footer-logo { max-width: 150px; margin-bottom: 16px; display: block; }
.footer-links li a { display: block; padding: 2px 0; }
.footer-subscribe { display: flex; margin-top: 14px; }
.footer-subscribe input {
  flex: 1;
  padding: 11px 14px;
  background: #0d1626;
  border: 1px solid #31445d;
  color: #dce8f5;
  font-size: 13px;
  border-radius: 3px 0 0 3px;
  outline: none;
}
.footer-subscribe button {
  padding: 0 18px;
  background: var(--cie-sky);
  color: #fff;
  border: none;
  font-size: 13px;
  font-weight: 600;
  border-radius: 0 3px 3px 0;
  cursor: pointer;
  transition: background .3s;
}
.footer-subscribe button:hover { background: var(--cie-accent); }

.footer-bottom {
  background: #0c1524;
  padding: 16px 0;
  text-align: center;
}
.footer-bottom p { color: #90a6c0; font-size: 12px; margin: 0; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .promo-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  #primary-nav { display: none; }
  #primary-nav.open { display: block; position: absolute; top: 70px; left: 0; right: 0; background: var(--cie-navy); padding: 10px 0 20px; z-index: 999; }
  #primary-nav.open ul { flex-direction: column; }
  #primary-nav.open ul li a { height: auto; line-height: 1.5; padding: 10px 20px; border-bottom: 1px solid rgba(255,255,255,.07); }
  #primary-nav.open ul li ul { position: static; opacity: 1; visibility: visible; box-shadow: none; background: rgba(0,0,0,.2); min-width: 0; }
  .menu-toggle { display: flex; }
  #site-header { position: relative; }

  .content-two-col, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .services-grid { grid-template-columns: 1fr; }
  .service-card:nth-child(even) { transform: none; }
  .counter-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
  .about-highlights { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }
  .hero-slide { min-height: 420px; }
  .hero-content h1 { font-size: 1.8rem; }
  .promo-grid { grid-template-columns: 1fr; }
  .promo-item { border-right: none; border-bottom: 1px solid #dce6ef; }
  .promo-item:last-child { border-bottom: none; }
  .counter-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: 1fr; }
  .project-gallery { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}