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

:root {
  --bg-primary: #0f172a;
  --bg-card: #1e293b;
  --bg-card-hover: #263548;
  --accent: #06b6d4;
  --accent-hover: #22d3ee;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: #334155;
  --success: #10b981;
  --error: #ef4444;
  --warning: #f59e0b;
  --radius: 8px;
  --max-width: 1200px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-hover); }

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

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

/* === Navigation === */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.nav-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

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

.nav-links { display: flex; gap: 32px; list-style: none; }

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  padding: 8px;
}

.nav-toggle svg { width: 24px; height: 24px; }

/* === Hero === */
.hero {
  padding: 100px 0 80px;
  text-align: center;
  background: linear-gradient(180deg, rgba(6, 182, 212, 0.08) 0%, transparent 60%);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero h1 span { color: var(--accent); }

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 40px;
}

.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #0f172a;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #0f172a;
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-sm { padding: 8px 20px; font-size: 0.85rem; }

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* === Sections === */
.section { padding: 80px 0; }

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto;
}

/* === How It Works === */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.step-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(6, 182, 212, 0.15);
  color: var(--accent);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.step-card h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.step-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* === Cards / Job Cards === */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.2s, transform 0.2s;
}

.card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

.job-card { cursor: pointer; }

.job-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.job-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.job-card .company {
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 500;
}

.job-card .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-type { background: rgba(6, 182, 212, 0.15); color: var(--accent); }
.badge-location { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.badge-salary { background: rgba(245, 158, 11, 0.15); color: var(--warning); }

/* === Filters === */
.filters-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 32px;
  padding: 20px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.filters-bar select,
.filters-bar input[type="text"] {
  flex: 1;
  min-width: 180px;
  padding: 10px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
}

.filters-bar select:focus,
.filters-bar input:focus {
  outline: none;
  border-color: var(--accent);
}

/* === Forms === */
.form-card {
  max-width: 600px;
  margin: 0 auto;
  padding: 40px;
}

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group label .required { color: var(--error); }

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: inherit;
  transition: border-color 0.2s;
}

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

.form-textarea { resize: vertical; min-height: 100px; }

.form-file {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius);
  border: 1px dashed var(--border);
  background: var(--bg-primary);
  color: var(--text-secondary);
  font-size: 0.9rem;
  cursor: pointer;
}

.form-file:hover { border-color: var(--accent); }

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

.form-error {
  color: var(--error);
  font-size: 0.85rem;
  margin-top: 4px;
}

.form-message {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 20px;
  font-size: 0.9rem;
}

.form-message.error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--error);
}

.form-message.success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--success);
}

/* === Pagination === */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 40px;
}

.pagination button {
  padding: 8px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
}

.pagination button:hover { border-color: var(--accent); color: var(--accent); }

.pagination button.active {
  background: var(--accent);
  color: var(--bg-primary);
  border-color: var(--accent);
}

/* === Modal === */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-overlay.open { display: flex; }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  max-width: 700px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 32px;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1.5rem;
  line-height: 1;
}

.modal-close:hover { color: var(--text-primary); }

.modal h2 {
  font-size: 1.5rem;
  margin-bottom: 8px;
  padding-right: 40px;
}

.modal .company { color: var(--accent); margin-bottom: 16px; }

.modal .description {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin: 20px 0;
}

.modal .description h1,
.modal .description h2,
.modal .description h3 {
  color: var(--text-primary);
  margin: 16px 0 8px;
}

.modal .description ul,
.modal .description ol {
  padding-left: 20px;
  margin: 8px 0;
}

.modal .description li { margin-bottom: 4px; }

/* === Success State === */
.success-card {
  text-align: center;
  padding: 60px 40px;
  max-width: 500px;
  margin: 0 auto;
}

.success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(16, 185, 129, 0.15);
  color: var(--success);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 20px;
}

.success-card h2 { margin-bottom: 12px; }
.success-card p { color: var(--text-secondary); }

/* === Page Header === */
.page-header {
  padding: 48px 0 32px;
  text-align: center;
}

.page-header h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.page-header p {
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto;
}

/* === Loading === */
.loading {
  text-align: center;
  padding: 60px 0;
  color: var(--text-muted);
}

.spinner {
  display: inline-block;
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-bottom: 12px;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* === Footer === */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  margin-top: 80px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-text { color: var(--text-muted); font-size: 0.85rem; }

.footer-links { display: flex; gap: 24px; list-style: none; }

.footer-links a { color: var(--text-muted); font-size: 0.85rem; }
.footer-links a:hover { color: var(--text-primary); }

/* === Empty state === */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state p { font-size: 1.1rem; }

/* === Responsive === */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 16px 24px;
    gap: 16px;
  }

  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }

  .steps-grid { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .form-card { padding: 24px; }

  .hero { padding: 60px 0 50px; }
  .hero-buttons { flex-direction: column; align-items: center; }

  .footer-inner { flex-direction: column; gap: 16px; text-align: center; }

  .filters-bar { flex-direction: column; }
  .filters-bar select,
  .filters-bar input[type="text"] { min-width: auto; }

  .modal { padding: 24px; margin: 16px; }
}

/* === Utility === */
.hidden { display: none !important; }
.text-center { text-align: center; }
.mt-4 { margin-top: 16px; }
.mt-8 { margin-top: 32px; }