/* =============================================
   PrePost+ – Main Stylesheet
   Brand Colors: #1850e1 (blue), #bce138 (lime), #3a3a3a (text)
   ============================================= */

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

:root {
  --color-primary:   #1850e1;
  --color-primary-dark: #1240b8;
  --color-accent:    #bce138;
  --color-accent-dark: #a4cc1f;
  --color-text:      #3a3a3a;
  --color-text-light: #5a5a6a;
  --color-bg:        #ffffff;
  --color-bg-light:  #f1f4fa;
  --color-bg-dark:   #408bc6;
  --color-border:    #dde3f0;
  --font-body:       'Roboto', sans-serif;
  --font-heading:    'Roboto Slab', serif;
  --radius:          8px;
  --radius-lg:       16px;
  --shadow:          0 4px 20px rgba(24,80,225,0.10);
  --shadow-hover:    0 8px 32px rgba(24,80,225,0.18);
  --max-width:       1200px;
  --header-h:        72px;
  --transition:      0.22s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-dark); }
ul { list-style: none; }

/* --- Container ------------------------------------ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Typography ----------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.2;
  color: var(--color-text);
}
h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.4rem); font-weight: 600; }
h3 { font-size: 1.4rem; font-weight: 600; }
h4 { font-size: 1.2rem; font-weight: 600; }
h5 { font-size: 1.05rem; font-weight: 600; }
h6 { font-size: 0.85rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-primary); }

p { margin-bottom: 1rem; }
p:last-child { margin-bottom: 0; }

strong { font-weight: 700; }

/* --- Buttons -------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  text-align: center;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}
.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-secondary:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-1px);
}
.btn-accent {
  background: var(--color-accent);
  color: var(--color-text);
  border-color: var(--color-accent);
}
.btn-accent:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: var(--color-text);
  transform: translateY(-1px);
}
.btn-white {
  background: #fff;
  color: var(--color-primary);
  border-color: #fff;
}
.btn-white:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-text);
  transform: translateY(-1px);
}

/* --- Header --------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #fff;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  height: var(--header-h);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}
.site-logo img { display: block; width: 160px; height: auto; }

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 8px;
}
.main-nav a {
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-text);
}
.main-nav a:hover { color: var(--color-primary); background: var(--color-bg-light); }
.main-nav a.btn { color: #fff; padding: 10px 22px; }
.main-nav a.btn:hover { color: #fff; background: var(--color-primary-dark); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}
.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); }

/* --- Section Utilities ---------------------------- */
.section {
  padding: 80px 0;
}
.section-sm { padding: 48px 0; }
.section-lg { padding: 100px 0; }
.section-dark {
  background: #0d1a3e;
  color: #fff;
}
.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 { color: #fff; }
.section-dark h6 { color: var(--color-accent); }
.section-dark p { color: rgba(255,255,255,0.82); }
.section-light { background: var(--color-bg-light); }
.section-primary {
  background: var(--color-primary);
  color: #fff;
}
.section-primary h1,
.section-primary h2,
.section-primary h3 { color: #fff; }
.section-primary p { color: rgba(255,255,255,0.9); }

.section-label {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
  display: block;
}
.section-dark .section-label,
.section-primary .section-label { color: var(--color-accent); }

.section-header {
  max-width: 720px;
  margin-bottom: 48px;
}
.section-header.centered {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

/* --- Hero ----------------------------------------- */
.hero {
  padding: 100px 0 80px;
  background: var(--color-bg-dark);
  color: #fff;
  overflow: hidden;
  position: relative;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-content { position: relative; z-index: 1; }
.hero-label {
  display: inline-block;
  background: rgba(188,225,56,0.15);
  color: var(--color-accent);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 20px;
  border: 1px solid rgba(188,225,56,0.3);
}
.hero h1 { color: #fff; margin-bottom: 20px; }
.hero p { color: rgba(255,255,255,0.82); font-size: 1.1rem; margin-bottom: 32px; max-width: 520px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 1;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.hero-image img { width: 100%; height: 100%; object-fit: cover; }

/* --- Cards ---------------------------------------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}
.card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.card h5 { margin-bottom: 12px; color: var(--color-primary); }
.card p { color: var(--color-text-light); font-size: 0.95rem; }

.card-icon {
  width: 52px;
  height: 52px;
  background: var(--color-bg-light);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.4rem;
}

/* --- Two-Column Content Layout -------------------- */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.two-col.reverse { direction: rtl; }
.two-col.reverse > * { direction: ltr; }

.col-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.col-image img { width: 100%; height: 100%; object-fit: cover; }

/* --- Feature List --------------------------------- */
.feature-list { display: flex; flex-direction: column; gap: 24px; margin: 28px 0; }
.feature-item { display: flex; gap: 16px; align-items: flex-start; }
.feature-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  background: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1rem;
}
.feature-item h5 { margin-bottom: 4px; }
.feature-item p { font-size: 0.92rem; color: var(--color-text-light); margin-bottom: 0; }

/* --- Accordion / Details -------------------------- */
details {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow var(--transition);
}
details + details { margin-top: 8px; }
details[open] { box-shadow: var(--shadow); }
summary {
  padding: 18px 24px;
  cursor: pointer;
  font-weight: 600;
  font-family: var(--font-heading);
  font-size: 1rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #fff;
  transition: background var(--transition);
}
summary::after {
  content: '+';
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--color-primary);
  flex-shrink: 0;
  transition: transform var(--transition);
}
details[open] summary::after { transform: rotate(45deg); }
summary::-webkit-details-marker { display: none; }
details > *:not(summary) {
  padding: 0 24px 18px;
  background: #fff;
  font-size: 0.95rem;
  color: var(--color-text-light);
}

/* --- CTA Strip ------------------------------------ */
.cta-strip {
  background: var(--color-primary);
  padding: 60px 0;
  text-align: center;
  color: #fff;
}
.cta-strip h2 { color: #fff; margin-bottom: 12px; }
.cta-strip p { color: rgba(255,255,255,0.85); margin-bottom: 28px; max-width: 600px; margin-left: auto; margin-right: auto; }
.cta-strip .btn-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* --- Contact Form ---------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 60px;
  align-items: start;
}
.contact-info h3 { margin-bottom: 24px; }
.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 24px;
}
.contact-item-icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  background: var(--color-bg-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.contact-item h4 { margin-bottom: 4px; font-size: 0.95rem; }
.contact-item p, .contact-item a { font-size: 0.95rem; color: var(--color-text-light); }

.form-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(24,80,225,0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-group select { appearance: none; cursor: pointer; }

.alert {
  padding: 14px 20px;
  border-radius: var(--radius);
  margin-bottom: 24px;
  font-size: 0.95rem;
  font-weight: 500;
}
.alert-success { background: #e8f9e8; color: #1e6e1e; border: 1px solid #a8e6a8; }
.alert-error { background: #fde8e8; color: #a01818; border: 1px solid #f5a0a0; }

/* --- Map ------------------------------------------ */
.map-embed {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  height: 400px;
}
.map-embed iframe { width: 100%; height: 100%; border: none; }

/* --- Stats Row ------------------------------------ */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 32px;
  text-align: center;
}
.stat-item h3 { font-size: 2.2rem; color: var(--color-primary); margin-bottom: 4px; }
.stat-item p { font-size: 0.9rem; color: var(--color-text-light); }
.section-dark .stat-item h3 { color: var(--color-accent); }
.section-dark .stat-item p { color: rgba(255,255,255,0.7); }

/* --- Who We Serve --------------------------------- */
.serve-tabs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.serve-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: background var(--transition);
}
.serve-card:hover { background: rgba(255,255,255,0.1); }
.serve-card h5 { color: var(--color-accent); margin-bottom: 12px; font-size: 1.1rem; }
.serve-card p { color: rgba(255,255,255,0.78); font-size: 0.93rem; }

/* --- Services Row --------------------------------- */
.services-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}
.service-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--color-primary);
  transition: transform var(--transition), box-shadow var(--transition);
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.service-card h5 { color: var(--color-primary); margin-bottom: 12px; }
.service-card p { color: var(--color-text-light); font-size: 0.93rem; margin-bottom: 16px; }

/* --- Careers Accordion ---------------------------- */
.careers-section details summary { font-size: 1.05rem; }

/* --- Page Hero (inner pages) --------------------- */
.page-hero {
  background: linear-gradient(135deg, #408bc6 0%, #2f6fa0 100%);
  padding: 80px 0 60px;
  color: #fff;
  text-align: center;
}
.page-hero h1 { color: #fff; margin-bottom: 16px; }
.page-hero p { color: rgba(255,255,255,0.8); font-size: 1.1rem; max-width: 600px; margin: 0 auto; }

/* --- Locations ------------------------------------ */
.locations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}
.location-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow);
  text-align: center;
}
.location-card h3 { color: var(--color-primary); margin-bottom: 16px; }
.location-card p { color: var(--color-text-light); font-size: 0.95rem; margin-bottom: 8px; }
.location-card a { font-weight: 600; }

/* --- Team Model Infographic ----------------------- */
.team-infographic {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  text-align: center;
}
.team-infographic img { width: 100%; max-width: 600px; margin: 0 auto; }

/* --- 404 ------------------------------------------ */
.page-404-content {
  padding: 120px 0;
  text-align: center;
}
.page-404-content h1 { font-size: 6rem; color: var(--color-primary); line-height: 1; margin-bottom: 16px; }
.page-404-content h2 { margin-bottom: 16px; }
.page-404-content p { color: var(--color-text-light); margin-bottom: 32px; }

/* --- Footer --------------------------------------- */
.site-footer {
  background: #0d1a3e;
  color: rgba(255,255,255,0.75);
  padding-top: 64px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand img { margin-bottom: 16px; }
.footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.55); }
.footer-nav h3,
.footer-contact h3 { color: #fff; font-size: 0.85rem; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 16px; font-family: var(--font-body); }
.footer-nav li, .footer-contact li { margin-bottom: 8px; }
.footer-nav a, .footer-contact a { color: rgba(255,255,255,0.65); font-size: 0.92rem; transition: color var(--transition); }
.footer-nav a:hover, .footer-contact a:hover { color: var(--color-accent); }
.footer-bottom {
  padding: 20px 0;
}
.footer-bottom p { font-size: 0.85rem; color: rgba(255,255,255,0.4); text-align: center; }

/* --- Responsive ----------------------------------- */
@media (max-width: 1024px) {
  .two-col { grid-template-columns: 1fr; gap: 40px; }
  .two-col.reverse { direction: ltr; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-image { max-width: 480px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }
  .section { padding: 60px 0; }
  .section-lg { padding: 72px 0; }

  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: #fff;
    padding: 16px 24px 24px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    transform: translateY(-110%);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    pointer-events: none;
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  .main-nav ul { flex-direction: column; gap: 4px; }
  .main-nav a { display: block; padding: 12px 16px; }

  .hero { padding: 72px 0 60px; }
  .hero-image { max-width: 100%; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { text-align: center; justify-content: center; }

  .cards-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .cta-strip .btn-actions { flex-direction: column; align-items: center; }
  .two-col { gap: 32px; }
  .page-hero { padding: 60px 0 48px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  h1 { font-size: 1.9rem; }
  h2 { font-size: 1.5rem; }
  .form-card { padding: 24px; }
}