/* ===========================
   XCEL CONTRACTING - style.css
   =========================== */

/* --- Under Construction Banner --- */
.under-construction {
  background: #f59e0b;
  color: #1a1a1a;
  text-align: center;
  padding: 10px 16px;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  z-index: 9999;
  position: relative;
}
.under-construction span {
  margin-right: 8px;
}

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700;800&family=Open+Sans:wght@400;500;600&display=swap');

/* --- CSS Variables --- */
:root {
  --blue: #1565C0;
  --blue-dark: #0D47A1;
  --blue-light: #1976D2;
  --charcoal: #2C2C2C;
  --charcoal-light: #444444;
  --white: #FFFFFF;
  --grey-light: #F5F5F5;
  --grey-mid: #E0E0E0;
  --grey-text: #666666;
  --shadow: 0 4px 20px rgba(0,0,0,0.12);
  --shadow-hover: 0 8px 32px rgba(0,0,0,0.2);
  --radius: 6px;
  --transition: 0.25s ease;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Open Sans', sans-serif;
  color: var(--charcoal);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
}

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

a { color: inherit; text-decoration: none; }

ul { list-style: none; }

/* --- Typography --- */
h1, h2, h3, h4, h5 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.15rem; }

p { margin-bottom: 1rem; color: var(--charcoal-light); }

/* --- Utility --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.text-center { text-align: center; }
.text-blue { color: var(--blue); }
.section-pad { padding: 80px 0; }
.section-pad-sm { padding: 50px 0; }

.section-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 12px;
}

.section-title {
  margin-bottom: 16px;
  color: var(--charcoal);
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--grey-text);
  max-width: 600px;
  margin: 0 auto 48px;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
  padding: 14px 32px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}
.btn-primary:hover {
  background: var(--blue-dark);
  border-color: var(--blue-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
}
.btn-outline:hover {
  background: var(--white);
  color: var(--blue);
  transform: translateY(-2px);
}

.btn-outline-blue {
  background: transparent;
  color: var(--blue);
  border-color: var(--blue);
}
.btn-outline-blue:hover {
  background: var(--blue);
  color: var(--white);
  transform: translateY(-2px);
}

/* ===========================
   NAVIGATION
   =========================== */
.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  box-shadow: 0 2px 12px rgba(0,0,0,0.1);
}

.nav-tagline {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--blue);
  flex: 1;
  text-align: center;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo img {
  height: 48px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 0.88rem;
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: color var(--transition), background var(--transition);
  color: var(--charcoal);
  letter-spacing: 0.3px;
}

.nav-links a:hover { color: var(--blue); }

.nav-links a.active { color: var(--blue); }

.nav-links .btn-nav {
  background: var(--blue);
  color: var(--white);
  padding: 9px 20px;
  border-radius: var(--radius);
  margin-left: 8px;
}
.nav-links .btn-nav:hover {
  background: var(--blue-dark);
  color: var(--white);
}

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--charcoal);
  border-radius: 2px;
  transition: all var(--transition);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===========================
   HERO - HOME
   =========================== */
.hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  background: var(--charcoal);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../images/landing-hero.jpg');
  background-size: cover;
  background-position: center center;
  opacity: 0.7;
}

.hero-content {
  position: relative;
  z-index: 2;
  color: var(--white);
  max-width: 700px;
}

.hero-eyebrow {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: #90CAF9;
  margin-bottom: 20px;
}

.hero h1 {
  color: var(--white);
  margin-bottom: 20px;
  font-weight: 800;
}

.hero h1 .accent { color: #90CAF9; }

.hero-sub {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 36px;
  max-width: 540px;
}

.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }

/* ===========================
   PAGE HERO (inner pages)
   =========================== */
.page-hero {
  background: linear-gradient(135deg, var(--charcoal) 0%, #1a1a2e 100%);
  padding: 80px 0 70px;
  color: var(--white);
  text-align: center;
}
.page-hero h1 { color: var(--white); margin-bottom: 12px; }
.page-hero p { color: rgba(255,255,255,0.75); font-size: 1.1rem; max-width: 600px; margin: 0 auto; }

.page-hero-img {
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  padding: 120px 0 100px;
}
.page-hero-img::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.55);
}
.page-hero-img .container { position: relative; z-index: 1; }

/* ===========================
   INTRO BAND
   =========================== */
.intro-band {
  background: var(--grey-light);
  padding: 60px 0;
}
.intro-band .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.intro-text h2 { margin-bottom: 16px; }
.intro-image img {
  border-radius: 8px;
  box-shadow: var(--shadow);
  width: 100%;
  object-fit: cover;
  max-height: 380px;
}

/* ===========================
   SERVICES GRID
   =========================== */
.services-section { background: var(--white); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--grey-light);
  border-radius: 8px;
  padding: 36px 28px;
  border-top: 4px solid var(--blue);
  transition: all var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.service-icon {
  font-size: 2.4rem;
  margin-bottom: 16px;
}

.service-card h3 { margin-bottom: 10px; color: var(--charcoal); }
.service-card p { margin: 0; font-size: 0.95rem; }

/* ===========================
   PORTFOLIO GALLERY
   =========================== */
.portfolio-section { background: var(--grey-light); }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.gallery-item {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(21,101,192,0.85) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
  display: flex;
  align-items: flex-end;
  padding: 20px;
}

.gallery-overlay span {
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
}

.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-item:hover img { transform: scale(1.05); }

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.92);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}
.lightbox.active { display: flex; }
.lightbox img {
  max-width: 90vw;
  max-height: 88vh;
  border-radius: 4px;
  object-fit: contain;
}
.lightbox-close {
  position: fixed;
  top: 20px;
  right: 28px;
  color: white;
  font-size: 2.5rem;
  cursor: pointer;
  line-height: 1;
  opacity: 0.8;
  transition: opacity var(--transition);
  background: none;
  border: none;
}
.lightbox-close:hover { opacity: 1; }

/* ===========================
   TESTIMONIALS
   =========================== */
.testimonials-section { background: var(--white); }

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.testimonial-card {
  background: var(--grey-light);
  border-radius: 8px;
  padding: 32px 28px;
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: 16px;
  left: 20px;
  font-size: 5rem;
  color: var(--blue);
  opacity: 0.2;
  font-family: Georgia, serif;
  line-height: 1;
}

.stars { color: #FFC107; font-size: 1.1rem; margin-bottom: 12px; }
.testimonial-text { font-style: italic; color: var(--charcoal-light); margin-bottom: 16px; }
.testimonial-author { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 0.9rem; }
.testimonial-location { font-size: 0.82rem; color: var(--grey-text); }

/* ===========================
   CTA BAND
   =========================== */
.cta-band {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  padding: 80px 0;
  text-align: center;
  color: var(--white);
}
.cta-band h2 { color: var(--white); margin-bottom: 12px; }
.cta-band p { color: rgba(255,255,255,0.85); font-size: 1.1rem; margin-bottom: 32px; max-width: 580px; margin-left: auto; margin-right: auto; }
.cta-band .cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===========================
   SERVICE DETAIL SECTION
   =========================== */
.service-detail {
  padding: 70px 0;
}
.service-detail:nth-child(even) { background: var(--grey-light); }

.service-detail-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.service-detail-inner.reverse { direction: rtl; }
.service-detail-inner.reverse > * { direction: ltr; }

.service-detail img {
  border-radius: 8px;
  box-shadow: var(--shadow);
  width: 100%;
  object-fit: cover;
  max-height: 400px;
}

.service-detail-text h3 { margin-bottom: 14px; }
.service-list { margin: 16px 0; }
.service-list li {
  padding: 7px 0 7px 28px;
  position: relative;
  color: var(--charcoal-light);
  font-size: 0.95rem;
}
.service-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--blue);
  font-weight: 700;
}

/* ===========================
   CONTRACTING SERVICES PAGE
   =========================== */
.services-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.service-detail-card {
  background: var(--white);
  border-radius: 8px;
  padding: 32px;
  border-left: 5px solid var(--blue);
  box-shadow: 0 2px 12px rgba(0,0,0,0.07);
  transition: all var(--transition);
}
.service-detail-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}
.service-detail-card h4 { margin-bottom: 10px; }
.service-detail-card p { margin: 0; font-size: 0.93rem; }

/* ===========================
   AI SOLUTIONS PAGE
   =========================== */
.ai-hero {
  background: linear-gradient(135deg, #0D1B2A 0%, #1B2838 50%, #0D47A1 100%);
  padding: 120px 0 100px;
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.ai-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(21,101,192,0.3) 0%, transparent 70%);
}

.ai-hero-content { position: relative; z-index: 2; }
.ai-hero h1 { color: var(--white); margin-bottom: 20px; font-size: clamp(2.2rem, 5vw, 4rem); }
.ai-hero .ai-tagline { font-size: 1.2rem; color: #90CAF9; margin-bottom: 12px; font-family: 'Montserrat', sans-serif; font-weight: 600; }
.ai-hero p { color: rgba(255,255,255,0.8); font-size: 1.1rem; max-width: 600px; margin: 0 auto 40px; }

.coming-soon-badge {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  padding: 8px 24px;
  border-radius: 50px;
  margin-bottom: 32px;
}

.ai-features {
  background: var(--grey-light);
  padding: 80px 0;
}

.ai-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.ai-feature-card {
  background: var(--white);
  border-radius: 8px;
  padding: 36px 28px;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: all var(--transition);
}
.ai-feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.ai-feature-icon { font-size: 2.8rem; margin-bottom: 16px; }
.ai-feature-card h3 { margin-bottom: 10px; }

.notify-section {
  background: var(--white);
  padding: 80px 0;
  text-align: center;
}
.notify-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 32px auto 0;
  justify-content: center;
}
.notify-form input[type="email"] {
  flex: 1;
  padding: 14px 18px;
  border: 2px solid var(--grey-mid);
  border-radius: var(--radius);
  font-family: 'Open Sans', sans-serif;
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition);
}
.notify-form input[type="email"]:focus { border-color: var(--blue); }

/* ===========================
   CONTACT PAGE
   =========================== */
.contact-section { background: var(--grey-light); padding: 80px 0; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
}

.contact-info h3 { margin-bottom: 24px; }

.contact-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  align-items: flex-start;
}
.contact-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.contact-item h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; color: var(--blue); margin-bottom: 4px; }
.contact-item p { margin: 0; font-size: 0.95rem; color: var(--charcoal); }
.contact-item a { color: var(--charcoal); transition: color var(--transition); }
.contact-item a:hover { color: var(--blue); }

.service-area-box {
  background: var(--blue);
  color: var(--white);
  border-radius: 8px;
  padding: 28px;
  margin-top: 32px;
}
.service-area-box h4 { color: var(--white); margin-bottom: 10px; }
.service-area-box p { color: rgba(255,255,255,0.85); margin: 0; font-size: 0.95rem; }

/* Quote Form */
.quote-form-card {
  background: var(--white);
  border-radius: 8px;
  padding: 44px;
  box-shadow: var(--shadow);
}
.quote-form-card h3 { margin-bottom: 28px; }

.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  margin-bottom: 6px;
  color: var(--charcoal);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 2px solid var(--grey-mid);
  border-radius: var(--radius);
  font-family: 'Open Sans', sans-serif;
  font-size: 0.95rem;
  color: var(--charcoal);
  background: var(--white);
  outline: none;
  transition: border-color var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
}
.form-group textarea { resize: vertical; min-height: 120px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ===========================
   SECRET LINK
   =========================== */
.secret-link-wrap {
  text-align: center;
  padding: 8px 0;
  background: var(--white);
}
.secret-link {
  font-size: 0.5rem;
  color: rgba(255,255,255,0.08);
  text-decoration: none;
  transition: color 0.3s ease;
  cursor: default;
}
.secret-link:hover {
  color: rgba(0,0,0,0.15);
  cursor: pointer;
}

/* ===========================
   FOOTER
   =========================== */
.footer {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-dark) 100%);
  padding: 48px 0;
  text-align: center;
}

.footer-tagline {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--white);
  margin: 0;
  letter-spacing: 1px;
}

.footer-accent {
  color: #90CAF9;
}

/* ===========================
   PROCESS STEPS
   =========================== */
.process-steps {
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.process-step {
  text-align: center;
  padding: 32px 20px;
  position: relative;
}

.step-number {
  width: 56px;
  height: 56px;
  background: var(--blue);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.3rem;
  margin: 0 auto 16px;
}

.process-step h4 { margin-bottom: 8px; }
.process-step p { margin: 0; font-size: 0.9rem; }

/* ===========================
   TRUST BAR
   =========================== */
.trust-bar {
  background: var(--blue);
  padding: 20px 0;
  text-align: center;
}
.trust-tagline {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--white);
  margin: 0;
  letter-spacing: 1px;
}
.trust-accent {
  color: #90CAF9;
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
  .services-detail-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: repeat(2, 1fr); }
  .ai-features-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-tagline { display: none; }

  .nav-links {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 24px;
    gap: 4px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 16px; width: 100%; border-radius: var(--radius); }
  .nav-links .btn-nav { margin-left: 0; margin-top: 8px; text-align: center; }
  .nav-toggle { display: flex; }

  .hero { min-height: 70vh; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { text-align: center; }

  .intro-band .container { grid-template-columns: 1fr; gap: 32px; }
  .intro-image { order: -1; }

  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }

  .service-detail-inner { grid-template-columns: 1fr; gap: 32px; }
  .service-detail-inner.reverse { direction: ltr; }

  .contact-grid { grid-template-columns: 1fr; }
  .quote-form-card { padding: 28px; }
  .form-row { grid-template-columns: 1fr; }


  .ai-features-grid { grid-template-columns: 1fr; }
  .process-steps { grid-template-columns: 1fr; }

  .trust-items { gap: 24px; }
  .notify-form { flex-direction: column; }
}

@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: 1fr; }
  .section-pad { padding: 56px 0; }
  .hero { min-height: 90vh; }
}

/* ===========================
   SHOWCASE GRID (homepage 3-card)
   =========================== */
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.showcase-card {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
  position: relative;
}
.showcase-card img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.showcase-card:hover img { transform: scale(1.03); }
.showcase-label {
  background: var(--charcoal);
  color: var(--white);
  text-align: center;
  padding: 14px 16px;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}
@media (max-width: 768px) {
  .showcase-grid { grid-template-columns: 1fr; }
  .showcase-card img { height: 240px; }
}