/* ============================================
   SSJ Commercial Services - Main Stylesheet
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Brand Colors — Dark Blue / White / Silver / Grey */
  --color-primary: #1b3a5c;
  --color-primary-dark: #122944;
  --color-primary-light: #2a5a8c;
  --color-secondary: #0f1f33;
  --color-accent: #3b82f6;

  /* Neutrals */
  --color-white: #ffffff;
  --color-off-white: #f4f6f8;
  --color-light-gray: #e2e6ea;
  --color-silver: #b0b8c1;
  --color-medium-gray: #6b7a8d;
  --color-dark-gray: #2d3748;
  --color-text: #1a202c;
  --color-text-light: #4a5568;

  /* Overlays */
  --overlay-dark: rgba(15, 31, 51, 0.75);
  --overlay-light: rgba(27, 58, 92, 0.08);

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;

  /* Typography */
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  --font-size-base: 1rem;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.75rem;
  --font-size-3xl: 2.25rem;
  --font-size-4xl: 3rem;
  --line-height-body: 1.7;
  --line-height-heading: 1.2;

  /* Borders & Shadows */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.06);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
}

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

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

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  line-height: var(--line-height-body);
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
  color: var(--color-primary-light);
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: var(--line-height-heading);
  font-weight: 700;
  color: var(--color-secondary);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }

p {
  margin-bottom: var(--space-sm);
  color: var(--color-text-light);
}

/* ---------- Utility Classes ---------- */
.section {
  padding: var(--space-2xl) 0;
}

.section--gray {
  background-color: var(--color-off-white);
}

.section--dark {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-header h2 {
  margin-bottom: var(--space-sm);
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background-color: var(--color-primary);
  margin: var(--space-sm) auto 0;
}

.section--dark .section-header h2 {
  color: var(--color-white);
}

.section--dark .section-header h2::after {
  background-color: var(--color-silver);
}

.section-header p {
  max-width: 680px;
  margin: 0 auto;
  font-size: var(--font-size-lg);
}

.section--dark .section-header p {
  color: rgba(255, 255, 255, 0.85);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 14px 32px;
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  text-align: center;
  line-height: 1;
}

.btn:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-1px);
}

.btn--white {
  background-color: var(--color-white);
  color: var(--color-primary);
  border-color: var(--color-white);
}

.btn--white:hover {
  background-color: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
  transform: translateY(-1px);
}

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

.btn--outline-white:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
  transform: translateY(-1px);
}

.btn--lg {
  padding: 18px 42px;
  font-size: var(--font-size-base);
}

/* ---------- Header / Navigation ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1050;
  background-color: var(--color-white);
  transition: box-shadow var(--transition-base), padding var(--transition-base);
  padding: 6px 0;
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
  padding: 2px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
  min-height: 70px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

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

/* Desktop Nav */
.main-nav {
  display: flex;
  align-items: center;
  gap: 2px;
}

.main-nav a {
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-dark-gray);
  text-decoration: none;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
  white-space: nowrap;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 16px;
  right: 16px;
  height: 2px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.main-nav a:hover {
  color: var(--color-primary);
}

.main-nav a:hover::after {
  transform: scaleX(1);
}

.main-nav a.active {
  color: var(--color-primary);
}

.main-nav a.active::after {
  transform: scaleX(1);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 30px;
  height: 30px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2.5px;
  background-color: var(--color-dark-gray);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-white);
  flex-direction: column;
  padding: var(--space-lg);
  z-index: 1049;
  overflow-y: auto;
}

.mobile-nav.open {
  display: flex;
}

.mobile-nav a {
  font-family: var(--font-heading);
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-dark-gray);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-light-gray);
  display: block;
}

.mobile-nav a:hover,
.mobile-nav a.active {
  color: var(--color-primary);
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  margin-top: 82px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 1;
}

/* Video Hero */
.hero-video {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-video video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
  padding: var(--space-2xl) 0;
}

.hero h1 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
  font-size: clamp(2rem, 5vw, 3.5rem);
}

.hero p {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-lg);
  max-width: 560px;
}

/* Page Banner (inner pages) */
.page-banner {
  position: relative;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-size: cover;
  background-position: center;
  margin-top: 82px;
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 1;
}

.page-banner-content {
  position: relative;
  z-index: 2;
  padding: var(--space-xl) var(--space-md);
}

.page-banner h1 {
  color: var(--color-white);
  margin-bottom: var(--space-xs);
  font-size: clamp(2rem, 4vw, 3rem);
}

.page-banner p {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--font-size-lg);
  max-width: 560px;
  margin: 0 auto;
}

/* ---------- Overview Cards ---------- */
.overview-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.overview-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.overview-card-img {
  height: 220px;
  overflow: hidden;
}

.overview-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.overview-card-body {
  padding: var(--space-lg);
}

.overview-card-body h3 {
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-xl);
}

.overview-card-body p {
  margin-bottom: var(--space-md);
  font-size: var(--font-size-sm);
}

.overview-card-body .btn {
  padding: 10px 24px;
}

/* ---------- Feature Blocks ---------- */
.feature-block {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.feature-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--overlay-light);
  border-radius: var(--radius-md);
  color: var(--color-primary);
}

.feature-icon svg {
  width: 28px;
  height: 28px;
}

.feature-block h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-xs);
}

.feature-block p {
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

/* ---------- CTA Banner ---------- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  padding: var(--space-xl) 0;
  text-align: center;
}

.cta-banner h2 {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-2xl);
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Content Sections (image + text) ---------- */
.content-image {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.content-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.content-text h2 {
  margin-bottom: var(--space-md);
}

.content-text h2::after {
  content: '';
  display: block;
  width: 50px;
  height: 3px;
  background-color: var(--color-primary);
  margin-top: var(--space-sm);
}

.content-text p {
  margin-bottom: var(--space-sm);
}

/* ---------- Services Grid ---------- */
.service-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  text-align: center;
  padding: var(--space-lg);
  height: 100%;
}

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

.service-card-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--overlay-light);
  border-radius: 50%;
  color: var(--color-primary);
}

.service-card-icon svg {
  width: 30px;
  height: 30px;
}

.service-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-xs);
}

.service-card p {
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

/* ---------- Industry / Sector Cards ---------- */
.industry-card {
  position: relative;
  height: 300px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  cursor: default;
}

.industry-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform var(--transition-base);
}

.industry-card:hover .industry-card-bg {
  transform: scale(1.05);
}

.industry-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 31, 51, 0.85) 0%, rgba(15, 31, 51, 0.3) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-lg);
}

.industry-card h3 {
  color: var(--color-white);
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-xs);
}

.industry-card p {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

/* ---------- Values Grid ---------- */
.value-card {
  text-align: center;
  padding: var(--space-lg);
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base);
  height: 100%;
}

.value-card:hover {
  transform: translateY(-3px);
}

.value-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--overlay-light);
  border-radius: 50%;
  color: var(--color-primary);
}

.value-icon svg {
  width: 28px;
  height: 28px;
}

.value-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-xs);
}

.value-card p {
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

/* ---------- Process Cards ---------- */
.process-card {
  padding: var(--space-lg);
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  border-top: 4px solid var(--color-primary);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  height: 100%;
}

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

.process-card .step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-md);
}

.process-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-sm);
}

.process-card p {
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

/* ---------- Contact Info ---------- */
.contact-info-item {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  align-items: flex-start;
}

.contact-info-item svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  margin-top: 3px;
}

.contact-info-item p {
  margin: 0;
}

.contact-info-item strong {
  color: var(--color-text);
}

/* ---------- Footer ---------- */
.site-footer {
  background-color: var(--color-secondary);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--space-2xl) 0 0;
}

.footer-about .logo-text {
  color: var(--color-white);
  margin-bottom: var(--space-sm);
  display: inline-block;
}

.footer-about p {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  line-height: 1.8;
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-links a {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
  padding: 4px 0;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-white);
}

.footer-locations {
  padding: var(--space-xl) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.location-block h4 {
  color: var(--color-white);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.location-block p {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-sm);
  margin-bottom: 2px;
  line-height: 1.6;
}

.footer-bottom {
  padding: var(--space-md) 0;
  text-align: center;
}

.footer-bottom p {
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--font-size-sm);
  margin: 0;
}

/* ---------- Slide-In Animations ---------- */
.slide-in-left,
.slide-in-right,
.slide-in-up,
.fade-in {
  opacity: 0;
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-left {
  transform: translateX(-60px);
}

.slide-in-right {
  transform: translateX(60px);
}

.slide-in-up {
  transform: translateY(40px);
}

.fade-in {
  transform: translateY(0);
}

.slide-in-left.visible,
.slide-in-right.visible,
.slide-in-up.visible,
.fade-in.visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* Staggered card animations */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
  .main-nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  h1 { font-size: var(--font-size-3xl); }
  h2 { font-size: var(--font-size-2xl); }
}

@media (max-width: 768px) {
  .section {
    padding: var(--space-xl) 0;
  }

  .hero {
    min-height: 480px;
  }

  .page-banner {
    min-height: 260px;
  }
}

@media (max-width: 480px) {
  .hero {
    min-height: 400px;
  }

  .btn--lg {
    padding: 14px 28px;
    font-size: var(--font-size-sm);
  }
}

/* ---------- Skip Link ---------- */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 8px 16px;
  z-index: 10000;
  font-size: var(--font-size-sm);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
  color: var(--color-white);
}

/* ---------- Misc ---------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}