/* ===================================================
   Elka Technology Group - Corporate Website Styles
   =================================================== */

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

:root {
  --color-navy: #1a2a3a;
  --color-navy-dark: #0f1a27;
  --color-navy-light: #2c3e50;
  --color-gray-900: #1e1e1e;
  --color-gray-700: #4a4a4a;
  --color-gray-500: #6c6c6c;
  --color-gray-300: #b0b0b0;
  --color-gray-200: #d4d4d4;
  --color-gray-100: #ececec;
  --color-gray-50: #f5f5f5;
  --color-white: #ffffff;
  --color-accent: #2a5a8a;
  --color-accent-light: #3a6a9a;
  --color-border: #d0d0d0;
  --font-primary: 'Space Grotesk', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --max-width: 1140px;
  --header-height: 72px;
}

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

body {
  font-family: var(--font-primary);
  color: var(--color-gray-700);
  background-color: var(--color-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-navy);
  font-weight: 600;
  line-height: 1.3;
}

h1 { font-size: 2.25rem; margin-bottom: 1rem; }
h2 { font-size: 1.75rem; margin-bottom: 0.875rem; }
h3 { font-size: 1.25rem; margin-bottom: 0.75rem; }
h4 { font-size: 1.1rem; margin-bottom: 0.5rem; }

p {
  margin-bottom: 1rem;
}

/* --- Container --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --- Header --- */
.site-header {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.site-logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-navy);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.site-logo:hover {
  text-decoration: none;
}

.site-logo span {
  color: var(--color-accent);
}

/* --- Navigation --- */
.main-nav ul {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.main-nav a {
  color: var(--color-gray-700);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s ease;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-navy);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-navy);
  margin: 5px 0;
  transition: all 0.3s ease;
}

/* --- Hero / Page Header --- */
.hero {
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: 4.5rem 0;
}

.hero h1 {
  color: var(--color-white);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.1rem;
  color: var(--color-gray-200);
  max-width: 640px;
  line-height: 1.8;
}

.page-header {
  background-color: var(--color-navy);
  color: var(--color-white);
  padding: 3rem 0;
}

.page-header h1 {
  color: var(--color-white);
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.page-header p {
  color: var(--color-gray-200);
  font-size: 1rem;
}

/* --- Sections --- */
.section {
  padding: 4rem 0;
}

.section--gray {
  background-color: var(--color-gray-50);
}

.section-title {
  text-align: center;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  text-align: center;
  color: var(--color-gray-500);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Grid --- */
.grid {
  display: grid;
  gap: 2rem;
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

/* --- Card --- */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 2rem;
}

.card h3 {
  color: var(--color-navy);
}

.card p {
  color: var(--color-gray-500);
  font-size: 0.95rem;
}

.card--icon {
  text-align: left;
}

.card--icon .card-icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-gray-100);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--color-accent);
  font-size: 1.3rem;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  font-size: 0.9rem;
  font-weight: 500;
  border: none;
  border-radius: 3px;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.2s ease;
  font-family: var(--font-primary);
}

.btn:hover {
  text-decoration: none;
}

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

.btn--primary:hover {
  background-color: var(--color-accent-light);
}

.btn--secondary {
  background-color: var(--color-white);
  color: var(--color-navy);
  border: 1px solid var(--color-border);
}

.btn--secondary:hover {
  background-color: var(--color-gray-50);
}

/* --- Footer --- */
.site-footer {
  background-color: var(--color-navy-dark);
  color: var(--color-gray-300);
  padding: 3.5rem 0 1.5rem;
  font-size: 0.875rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-brand p {
  color: var(--color-gray-300);
  line-height: 1.7;
  font-size: 0.875rem;
}

.footer-col h4 {
  color: var(--color-white);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.footer-col ul li {
  margin-bottom: 0.5rem;
}

.footer-col a {
  color: var(--color-gray-300);
  font-size: 0.85rem;
}

.footer-col a:hover {
  color: var(--color-white);
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--color-gray-500);
}

.footer-bottom a {
  color: var(--color-gray-500);
}

.footer-bottom a:hover {
  color: var(--color-gray-300);
}

/* --- Forms --- */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-gray-700);
  margin-bottom: 0.35rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  font-family: var(--font-primary);
  font-size: 0.9rem;
  color: var(--color-gray-700);
  background-color: var(--color-white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-accent);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* --- Legal Pages --- */
.legal-content {
  max-width: 800px;
}

.legal-content h2 {
  font-size: 1.35rem;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
}

.legal-content h3 {
  font-size: 1.1rem;
  margin-top: 1.75rem;
  margin-bottom: 0.5rem;
}

.legal-content p,
.legal-content li {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--color-gray-700);
}

.legal-content ul,
.legal-content ol {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

.legal-content ul {
  list-style: disc;
}

.legal-content ol {
  list-style: decimal;
}

.legal-content li {
  margin-bottom: 0.4rem;
}

.legal-content .effective-date {
  font-size: 0.85rem;
  color: var(--color-gray-500);
  margin-bottom: 2rem;
}

/* --- Info Grid (About, Industries) --- */
.info-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 3rem;
}

.info-row--reverse {
  direction: rtl;
}

.info-row--reverse > * {
  direction: ltr;
}

.image-placeholder {
  background-color: var(--color-gray-100);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 260px;
  color: var(--color-gray-500);
  font-size: 0.85rem;
  text-align: center;
  padding: 1rem;
}

.image-frame {
  border-radius: 4px;
  overflow: hidden;
  min-height: 260px;
}

.image-frame img {
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
  display: block;
}

/* --- Values List --- */
.values-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.value-item {
  padding: 1.5rem;
  border-left: 3px solid var(--color-accent);
  background-color: var(--color-gray-50);
}

.value-item h4 {
  color: var(--color-navy);
  margin-bottom: 0.35rem;
}

.value-item p {
  font-size: 0.9rem;
  color: var(--color-gray-500);
  margin-bottom: 0;
}

/* --- Stats --- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-item .stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-navy);
  display: block;
}

.stat-item .stat-label {
  font-size: 0.85rem;
  color: var(--color-gray-500);
  margin-top: 0.25rem;
  display: block;
}

/* --- Job Listings --- */
.job-listing {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.job-listing h3 {
  margin-bottom: 0.25rem;
}

.job-meta {
  font-size: 0.85rem;
  color: var(--color-gray-500);
}

.job-meta span {
  margin-right: 1rem;
}

/* --- Breadcrumb --- */
.breadcrumb {
  font-size: 0.8rem;
  color: var(--color-gray-300);
  margin-bottom: 0.75rem;
}

.breadcrumb a {
  color: var(--color-gray-300);
}

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

/* --- Cookie Banner --- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-navy-dark);
  color: var(--color-gray-200);
  padding: 1rem 1.5rem;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 200;
}

.cookie-banner.hidden {
  display: none;
}

.cookie-banner a {
  color: var(--color-gray-100);
  text-decoration: underline;
}

.cookie-banner .btn {
  margin-left: 1.5rem;
  padding: 0.5rem 1.25rem;
  font-size: 0.8rem;
}

/* --- Responsive --- */
@media (max-width: 992px) {
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .info-row { grid-template-columns: 1fr; gap: 2rem; }
  .info-row--reverse { direction: ltr; }
}

@media (max-width: 768px) {
  .main-nav { display: none; }
  .main-nav.open {
    display: block;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 1.5rem;
  }
  .main-nav.open ul {
    flex-direction: column;
    gap: 0;
  }
  .main-nav.open li {
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--color-gray-100);
  }
  .mobile-toggle { display: block; }
  .grid--2 { grid-template-columns: 1fr; }
  .grid--3 { grid-template-columns: 1fr; }
  .grid--4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .hero { padding: 3rem 0; }
  .hero h1 { font-size: 1.75rem; }
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.35rem; }
  .stats-row { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
  .values-list { grid-template-columns: 1fr; }
  .job-listing { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
  .cookie-banner { flex-direction: column; gap: 0.75rem; text-align: center; }
}

@media (max-width: 480px) {
  .stats-row { grid-template-columns: 1fr; }
}