/* ==========================================================================
   PROBABILISTIC SUPPLY CHAIN SOLUTIONS LLC — Global Stylesheet
   ========================================================================== */

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

:root {
  --color-navy:      #0d1f3c;
  --color-navy-mid:  #162d52;
  --color-blue:      #1a4a8a;
  --color-accent:    #e07b00;
  --color-accent-lt: #f09030;
  --color-white:     #ffffff;
  --color-light:     #f4f6f9;
  --color-mid:       #c8d3e0;
  --color-text:      #1a2235;
  --color-text-muted:#5a6a82;
  --color-border:    #dde3ee;
  --radius:          6px;
  --shadow-sm:       0 2px 8px rgba(13,31,60,.10);
  --shadow-md:       0 6px 24px rgba(13,31,60,.14);
  --transition:      0.25s ease;
  --max-width:       1200px;
  --font-sans:       'Segoe UI', Arial, 'Helvetica Neue', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-white);
}

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

.container {
  width: 90%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
}

/* --- Typography ---------------------------------------------------------- */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-navy);
}
h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); }
h4 { font-size: 1rem; }
p  { color: var(--color-text-muted); }

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.6rem;
}

.section-title { margin-bottom: 1rem; }
.section-sub   { max-width: 620px; margin: 0 auto 2.5rem; text-align: center; }

.text-center { text-align: center; }

/* --- Buttons ------------------------------------------------------------- */
.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}
.btn-primary:hover {
  background: var(--color-accent-lt);
  border-color: var(--color-accent-lt);
  color: var(--color-white);
  box-shadow: 0 4px 16px rgba(224,123,0,.35);
}

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

.btn-dark {
  background: var(--color-navy);
  color: var(--color-white);
  border-color: var(--color-navy);
}
.btn-dark:hover {
  background: var(--color-blue);
  border-color: var(--color-blue);
  color: var(--color-white);
}

/* --- Header / Nav -------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-navy);
  box-shadow: 0 2px 10px rgba(0,0,0,.25);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.logo-mark {
  width: 44px;
  height: 44px;
  background: var(--color-accent);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--color-white);
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-name {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--color-white);
  letter-spacing: 0.02em;
}

.logo-sub {
  font-size: 0.65rem;
  color: var(--color-mid);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.main-nav ul {
  display: flex;
  gap: 0.25rem;
  align-items: center;
}

.main-nav a {
  display: block;
  padding: 0.55rem 0.85rem;
  color: var(--color-mid);
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
  background: rgba(255,255,255,.09);
  color: var(--color-white);
}

.main-nav .nav-cta a {
  background: var(--color-accent);
  color: var(--color-white);
  padding: 0.55rem 1.1rem;
}
.main-nav .nav-cta a:hover {
  background: var(--color-accent-lt);
}

/* Mobile nav toggle (CSS-only approach) */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: var(--transition);
}

/* --- Hero --------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-navy-mid);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('assets/bg_01.png');
  background-size: cover;
  background-position: center;
  opacity: 0.32;
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 5rem 0 4rem;
  max-width: 720px;
}

.hero-eyebrow {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.3rem 0.8rem;
  border-radius: 2px;
  margin-bottom: 1.2rem;
}

.hero-content h1 {
  color: var(--color-white);
  margin-bottom: 1.2rem;
}

.hero-content p {
  color: rgba(255,255,255,.80);
  font-size: 1.1rem;
  margin-bottom: 2rem;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-stats {
  position: relative;
  z-index: 2;
  background: var(--color-accent);
  padding: 1.5rem 0;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  text-align: center;
}

.stat-item .stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-white);
  display: block;
}

.stat-item .stat-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,.80);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* --- Section spacing ---------------------------------------------------- */
.section {
  padding: 5rem 0;
}

.section-alt {
  background: var(--color-light);
}

/* --- Card grid ---------------------------------------------------------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  background: var(--color-navy);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.2rem;
}

.card h3 { margin-bottom: 0.5rem; }

/* --- Two-column split --------------------------------------------------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.split img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  object-fit: cover;
  max-height: 420px;
}

.split-content .section-label { display: block; }
.split-content h2 { margin-bottom: 1rem; }
.split-content p { margin-bottom: 1rem; }

.checklist { margin: 1.2rem 0 1.8rem; }
.checklist li {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  margin-bottom: 0.6rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}
.checklist li::before {
  content: '✓';
  color: var(--color-accent);
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 0.05rem;
}

/* --- Page Hero (inner pages) -------------------------------------------- */
.page-hero {
  background: var(--color-navy);
  padding: 4rem 0 3rem;
  position: relative;
  overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute;
  right: -100px;
  top: -80px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: rgba(26,74,138,.30);
}

.page-hero-inner { position: relative; z-index: 2; }

.page-hero h1 {
  color: var(--color-white);
  margin-bottom: 0.6rem;
}

.page-hero p {
  color: rgba(255,255,255,.72);
  font-size: 1.1rem;
  max-width: 580px;
}

.breadcrumb {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.82rem;
  color: rgba(255,255,255,.55);
  margin-bottom: 1.5rem;
}
.breadcrumb a { color: rgba(255,255,255,.65); }
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb span { opacity: .5; }

/* --- Services list ------------------------------------------------------- */
.service-detail {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 3rem;
  align-items: start;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--color-border);
}

.service-detail:last-child { border-bottom: none; }

.service-detail-icon {
  background: var(--color-navy);
  border-radius: var(--radius);
  padding: 1.8rem;
  text-align: center;
}

.service-detail-icon .icon { font-size: 3rem; display: block; margin-bottom: 0.7rem; }
.service-detail-icon span { color: var(--color-mid); font-size: 0.82rem; }

.service-detail h3 { font-size: 1.4rem; margin-bottom: 0.75rem; }
.service-detail p  { margin-bottom: 1rem; }

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}
.tag {
  background: var(--color-light);
  border: 1px solid var(--color-border);
  border-radius: 3px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  padding: 0.25rem 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* --- Fleet table -------------------------------------------------------- */
.fleet-image {
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 1.5rem;
  max-height: 300px;
  object-fit: cover;
}

.fleet-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}

.fleet-card:hover { box-shadow: var(--shadow-md); }

.fleet-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.fleet-card-body {
  padding: 1.5rem;
}

.fleet-card-body h3 { margin-bottom: 0.3rem; }

.fleet-specs {
  margin-top: 1rem;
  border-top: 1px solid var(--color-border);
  padding-top: 1rem;
}

.fleet-spec-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  padding: 0.3rem 0;
  border-bottom: 1px dashed var(--color-border);
}
.fleet-spec-row:last-child { border-bottom: none; }
.fleet-spec-row .label { color: var(--color-text-muted); }
.fleet-spec-row .value { font-weight: 700; color: var(--color-navy); }

.fleet-badge {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border-radius: 2px;
  margin-bottom: 0.6rem;
}

/* --- Timeline ----------------------------------------------------------- */
.timeline { position: relative; padding-left: 2rem; }

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-accent);
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2.45rem;
  top: 0.35rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-white);
  box-shadow: 0 0 0 2px var(--color-accent);
}

.timeline-year {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}

.timeline-item h3 { margin-bottom: 0.3rem; }

/* --- Team grid ---------------------------------------------------------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
}

.team-card {
  text-align: center;
  padding: 2rem 1.5rem;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--color-navy);
  color: var(--color-mid);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 1rem;
}

.team-card h3 { margin-bottom: 0.2rem; }
.team-title { font-size: 0.82rem; color: var(--color-accent); font-weight: 600; }

/* --- CTA Banner --------------------------------------------------------- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-blue) 100%);
  padding: 4rem 0;
  text-align: center;
}

.cta-banner h2 { color: var(--color-white); margin-bottom: 0.75rem; }
.cta-banner p  { color: rgba(255,255,255,.75); margin-bottom: 2rem; }

/* --- Contact ------------------------------------------------------------ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-info-block { margin-bottom: 2rem; }
.contact-info-block h3 { margin-bottom: 0.5rem; }

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius);
  background: var(--color-navy);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-item .label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.contact-item .value {
  font-size: 0.97rem;
  color: var(--color-text);
  font-weight: 600;
}

.contact-item .value a {
  color: var(--color-text);
}
.contact-item .value a:hover { color: var(--color-accent); }

.map-placeholder {
  background: var(--color-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  min-height: 360px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}

.map-placeholder .map-icon { font-size: 3rem; margin-bottom: 1rem; }
.map-placeholder h3 { margin-bottom: 0.5rem; }
.map-placeholder p { font-size: 0.9rem; }

.hours-table { width: 100%; }
.hours-table tr td {
  padding: 0.4rem 0;
  font-size: 0.9rem;
}
.hours-table tr td:first-child { color: var(--color-text-muted); }
.hours-table tr td:last-child { font-weight: 600; text-align: right; }

/* --- Why Us -------------------------------------------------------------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.why-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.5rem;
  background: var(--color-white);
  border-radius: var(--radius);
  border-left: 4px solid var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.why-number {
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-accent);
  line-height: 1;
  flex-shrink: 0;
  min-width: 2.5rem;
}

.why-item h4 { margin-bottom: 0.2rem; }

/* --- Industries ---------------------------------------------------------- */
.industry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
}

.industry-tile {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem 1rem;
  text-align: center;
  background: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.industry-tile:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.industry-tile .icon { font-size: 2rem; display: block; margin-bottom: 0.6rem; }
.industry-tile span { font-size: 0.85rem; font-weight: 700; color: var(--color-navy); }

/* --- Testimonials ------------------------------------------------------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.testimonial {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.testimonial::before {
  content: '"';
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-size: 4rem;
  color: var(--color-accent);
  opacity: 0.25;
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial p { color: var(--color-text); font-style: italic; margin-bottom: 1.2rem; }
.testimonial-author { font-weight: 700; font-size: 0.9rem; color: var(--color-navy); }
.testimonial-company { font-size: 0.8rem; color: var(--color-text-muted); }

/* --- Careers ------------------------------------------------------------ */
.job-listing {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem 2rem;
  background: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
  transition: box-shadow var(--transition);
}

.job-listing:hover { box-shadow: var(--shadow-md); }

.job-meta { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-top: 0.4rem; }
.job-tag {
  background: var(--color-light);
  border: 1px solid var(--color-border);
  border-radius: 2px;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  color: var(--color-text-muted);
}

/* --- Footer ------------------------------------------------------------- */
.site-footer {
  background: var(--color-navy);
  color: var(--color-mid);
  padding: 3.5rem 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.10);
}

.footer-brand .logo { margin-bottom: 1rem; }

.footer-brand p {
  font-size: 0.88rem;
  color: rgba(200,211,224,.75);
  line-height: 1.7;
  max-width: 280px;
}

.footer-col h4 {
  color: var(--color-white);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 1.1rem;
}

.footer-col ul li { margin-bottom: 0.55rem; }
.footer-col ul li a {
  color: rgba(200,211,224,.70);
  font-size: 0.88rem;
  transition: color var(--transition);
}
.footer-col ul li a:hover { color: var(--color-accent); }

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin-bottom: 0.8rem;
  font-size: 0.88rem;
  color: rgba(200,211,224,.75);
}

.footer-contact li .fi {
  color: var(--color-accent);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 0;
  font-size: 0.8rem;
  color: rgba(200,211,224,.50);
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* --- Responsive --------------------------------------------------------- */
@media (max-width: 900px) {
  .split {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }

  .service-detail {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero { min-height: 440px; }

  .hero-content { padding: 3.5rem 0 3rem; }

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-navy-mid);
    border-top: 1px solid rgba(255,255,255,.08);
    padding: 1rem;
  }

  .main-nav.open { display: block; }

  .main-nav ul {
    flex-direction: column;
    gap: 0.25rem;
  }

  .main-nav a {
    display: block;
    padding: 0.6rem 1rem;
  }

  .nav-toggle { display: flex; }

  .header-inner { position: relative; flex-wrap: wrap; }

  .stats-row { grid-template-columns: 1fr 1fr; }

  .job-listing {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .hero-actions { flex-direction: column; }
  .btn { text-align: center; }
  .stats-row { grid-template-columns: 1fr; }
}